Journal articleJ Allergy Clin Immunol · June 2026
BACKGROUND: The National Institutes of Health initiated the Precision Medicine in Severe and/or Exacerbation Prone Asthma (PrecISE) program with the objective of implementing adaptive design strategies to test multiple new treatments in biomarker-identifie ...
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Journal articleEur Heart J · February 11, 2026
BACKGROUND AND AIMS: In the VICTOR trial (NCT05093933), vericiguat was neutral for the primary composite endpoint of cardiovascular death or hospitalization for heart failure (HF). VICTOR was powered to independently assess cardiovascular death. This study ...
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Journal articleBMJ Open · December 30, 2025
OBJECTIVE: To characterise the reporting practices of sequential multiple assignment randomised trials (SMARTs) in human health research. DESIGN: Scoping review of protocol and primary analysis papers describing SMARTs published between January 2009 and Fe ...
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Journal articleJ Am Coll Cardiol · December 16, 2025
BACKGROUND: In the VICTOR (Vericiguat Global Study in Participants With Chronic Heart Failure) trial, in a contemporary ambulatory cohort with heart failure and reduced ejection fraction (HFrEF) and no recent hospitalization, the primary outcome of hospita ...
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Journal articleCommunications Medicine · December 1, 2025
Background: The prevalence of idiopathic pulmonary fibrosis (IPF) is higher in men, a previously not well-understood sex bias that extends across severity and mortality. Mosaic loss of chromosome Y (mLOY) in blood is male-specific and associated with adver ...
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Journal articleEur J Heart Fail · December 2025
AIMS: The efficacy and safety of vericiguat in patients with chronic heart failure with reduced ejection fraction (HFrEF) on contemporary heart failure (HF) therapies and without recent worsening was investigated in the VICTOR trial, yet some subgroups may ...
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Journal articlePain Med · November 1, 2025
OBJECTIVE: Chronic low back pain (cLBP) is a significant public health problem in the United States. A method to identify treatments that are most likely effective for an individual patient based on their unique characteristics is needed. METHODS: The Biom ...
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Journal articleAm J Med · October 2025
BACKGROUND: The long-term effects of COVID-19, known as post-acute sequelae of SARS-CoV-2 infection (PASC), impair quality of life (QoL). This secondary analysis of the ACTIV-4c clinical trial evaluates the specific effects of extended thromboprophylaxis w ...
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Journal articleESC Heart Fail · October 2025
Clinical endpoint classification (CEC)-that is, evaluation of clinical events using pre-defined criteria-is commonly conducted in clinical trial operations to ensure systematic and consistent assessment of endpoints needed to assess the intervention's safe ...
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Journal articleLancet · September 27, 2025
BACKGROUND: Following completion of the VICTORIA trial, vericiguat was approved for the treatment of worsening heart failure with reduced ejection fraction (HFrEF) and received a class IIb recommendation in European and North American guidelines. The subse ...
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Journal articlePain Med · September 1, 2025
OBJECTIVE: Chronic low back pain (cLBP) is a common condition that impacts quality of life and function. There are many evidence-based treatments to address cLBP; however, treatment effects are modest, perhaps in part due to individual variation in treatme ...
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Journal articleJ Card Fail · August 28, 2025
BACKGROUND: Randomized trials remain the standard for evaluating novel therapies. Primary endpoint(s) risk heterogeneity and may dilute treatment efficacy. The 5-step Stratified Testing and Amalgamation Routine (5-STAR) methodology helps to address these l ...
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Journal articleEur J Heart Fail · August 2025
AIMS: To describe the baseline characteristics of the participants in the VICTOR (Vericiguat Global Study in Patients with Chronic Heart Failure; NCT05093933) trial and compare them to recent trials in patients with heart failure and reduced ejection fract ...
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Journal articleJAMA Intern Med · May 1, 2025
IMPORTANCE: In 2013, the Trial to Assess Chelation Therapy (TACT) reported that in 1708 patients with stable coronary disease and prior myocardial infarction (MI), oral multivitamins and multiminerals (OMVMs), in a factorial design with edetate disodium (E ...
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Journal articleESC Heart Fail · April 2025
AIMS: The VICTORIA trial demonstrated a significant reduction in the primary composite outcome of heart failure (HF) hospitalization or cardiovascular death with vericiguat relative to placebo in high-risk HF. This study aimed to contextualize treatment ef ...
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Journal articleStat Med · March 15, 2025
Sample size re-estimation (SSR) at an interim analysis allows for adjustments based on accrued data. Existing strategies rely on either blinded or unblinded methods to inform such adjustments and, ideally, perform these adjustments in a way that preserves ...
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Journal articleJ Card Fail · March 2025
BACKGROUND: In VICTORIA (Vericiguat Global Study in Subjects with Heart Failure with Reduced Ejection Fraction), participants with heart failure (HF) and reduced ejection fraction, vericiguat decreased the primary composite outcome (time to first HF hospit ...
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Journal articleEur J Heart Fail · February 2025
AIMS: The TRANSFORM-HF trial found no difference in clinical outcomes between torsemide versus furosemide after hospitalization for heart failure. This analysis aimed to assess the impact of diuretic dosing on the primary and secondary clinical outcomes. M ...
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Journal articleEur J Heart Fail · February 2025
AIMS: In the VICTORIA (Vericiguat Global Study in Subjects with Heart Failure with Reduced Ejection Fraction) trial, the soluble guanylate cyclase stimulator vericiguat reduced the risk of hospitalization for heart failure (HHF) or cardiovascular death in ...
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Journal articleCirc Cardiovasc Qual Outcomes · February 2025
BACKGROUND: The PRECISE (Prospective Randomized Trial of the Optimal Evaluation of Cardiac Symptoms and Revascularization) demonstrated that a precision diagnostic strategy reduced the primary composite of death, nonfatal myocardial infarction, or catheter ...
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Journal articleCirc Cardiovasc Qual Outcomes · February 2025
BACKGROUND: The PRECISE (Prospective Randomized Trial of the Optimal Evaluation of Cardiac Symptoms and Revascularization) trial compared an investigational precision diagnostic testing strategy (n=1057) with usual testing (n=1046) in patients with stable ...
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Journal articleTher Adv Infect Dis · 2025
BACKGROUND: Understanding factors that predict progression to severe COVID-19 is critical. Antibodies targeting SARS-CoV-2 spike protein confer protection, while the N protein of SARS-CoV-2 plays roles in viral replication and immune dysfunction. This stud ...
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Journal articleJ Clin Transl Sci · 2025
Rural America remains deeply under-represented in clinical trials. St Lawrence Health (SLH) was the sole rural site and one of the top recruiters in the Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV)-1 trial, which was a large interna ...
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Journal articleEur J Heart Fail · November 2024
AIMS: Benefits of mineralocorticoid receptor antagonists (MRAs) in heart failure with preserved and mildly reduced ejection fraction (HFpEF/HFmrEF) have not been established. Conventional randomized controlled trials are complex and expensive. The Spironol ...
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Journal articleJACC Heart Fail · October 2024
BACKGROUND: Type 2 diabetes mellitus (T2DM) significantly worsens heart failure (HF) prognosis. OBJECTIVES: This study sought to investigate the impact of T2DM on outcomes in patients enrolled in VICTORIA and assess the efficacy of vericiguat in patients w ...
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Journal articleJAMA · September 10, 2024
IMPORTANCE: In 2013, the Trial to Assess Chelation Therapy (TACT) reported that edetate disodium (EDTA)-based chelation significantly reduced cardiovascular disease (CVD) events by 18% in 1708 patients with a prior myocardial infarction (MI). OBJECTIVE: To ...
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Journal articleInt J Infect Dis · September 2024
A randomized, double-blind, placebo-controlled clinical trial was conducted to investigate the efficacy of infliximab, abatacept, and cenicriviroc in treating patients hospitalized with COVID-19. The patient's clinical status was assessed daily on an 8-poi ...
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Journal articleAm Heart J · July 2024
BACKGROUND: The reduction in cardiovascular disease (CVD) events with edetate disodium (EDTA) in the Trial to Assess Chelation Therapy (TACT) suggested that chelation of toxic metals might provide novel opportunities to reduce CVD in patients with diabetes ...
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Journal articleEur J Heart Fail · July 2024
AIM: The TRANSFORM-HF trial demonstrated no significant outcome differences between torsemide and furosemide following hospitalization for heart failure (HF), but may have been impacted by non-adherence to the randomized diuretic. The current study sought ...
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Journal articleAm J Respir Crit Care Med · May 1, 2024
Rationale: Oral microbiota associate with diseases of the mouth and serve as a source of lung microbiota. However, the role of oral microbiota in lung disease is unknown. Objectives: To determine associations between oral microbiota and disease severity an ...
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Journal articleJACC Heart Fail · May 2024
BACKGROUND: In VICTORIA (Vericiguat Global Study in Subjects With Heart Failure With Reduced Ejection Fraction), vericiguat compared with placebo reduced cardiovascular death or heart failure (HF) hospitalization in patients with HF with reduced ejection f ...
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Journal articleChest · May 2024
BACKGROUND: Antifibrotics are effective in slowing FVC decline in idiopathic pulmonary fibrosis (IPF). However, whether antifibrotic type is differentially associated with FVC decline remains inconclusive. RESEARCH QUESTION: Are there significant differenc ...
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Journal articleEur J Heart Fail · May 2024
AIM: Among patients discharged after hospitalization for heart failure (HF), a strategy of torsemide versus furosemide showed no difference in all-cause mortality or hospitalization. Clinicians have traditionally favoured torsemide in the setting of kidney ...
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Journal articleRes Pract Thromb Haemost · May 2024
BACKGROUND: The Accelerating COVID-19 Therapeutic Interventions and Vaccines-4c (ACTIV-4c) trial investigated prophylactic apixaban for 30 days following hospitalization for COVID-19. The overall incidence of early postdischarge death or thromboembolism wa ...
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Journal articleContemp Clin Trials Commun · April 2024
BACKGROUND: Registry-based trials have the potential to reduce randomized clinical trial (RCT) costs. However, observed cost differences also may be achieved through pragmatic trial designs. A systematic comparison of trial costs across different designs h ...
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Journal articleBiometrics · March 27, 2024
Sequential multiple assignment randomized trials (SMARTs) are the gold standard for estimating optimal dynamic treatment regimes (DTRs), but are costly and require a large sample size. We introduce the multi-stage augmented Q-learning estimator (MAQE) to i ...
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Journal articlePsychiatry Res · March 2024
The Patient Health Questionnaire 9 (PHQ-9) is the current standard outpatient screening tool for measuring and tracking the nine symptoms of major depressive disorder (MDD). While the PHQ-9 was originally conceptualized as a unidimensional measure, it has ...
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Journal articleCirc Heart Fail · March 2024
BACKGROUND: The TRANSFORM-HF trial (Torsemide Comparison With Furosemide for Management of Heart Failure) found no significant difference in all-cause mortality or hospitalization among patients randomized to a strategy of torsemide versus furosemide follo ...
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Journal articleJAMA Cardiol · February 1, 2024
IMPORTANCE: Differences in clinical profiles, outcomes, and diuretic treatment effects may exist between patients with de novo heart failure (HF) and worsening chronic HF (WHF). OBJECTIVES: To compare clinical characteristics and treatment outcomes of tors ...
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Journal articleESC Heart Fail · February 2024
AIMS: The relationship between accelerometry data and changes in Kansas City Cardiomyopathy Questionnaire-Physical Limitation Score (KCCQ-PLS) or 6 min walk test (6MWT) is not well understood. METHODS AND RESULTS: VITALITY-HFpEF accelerometry substudy (n = ...
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Journal articleJ Clin Transl Sci · 2024
The Accelerating COVID-19 Therapeutic Interventions and Vaccines (ACTIV) Cross-Trial Statistics Group gathered lessons learned from statisticians responsible for the design and analysis of the 11 ACTIV therapeutic master protocols to inform contemporary tr ...
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Journal articleJ Clin Transl Sci · 2024
Accelerating COVID-19 Treatment Interventions and Vaccines (ACTIV) was initiated by the US government to rapidly develop and test vaccines and therapeutics against COVID-19 in 2020. The ACTIV Therapeutics-Clinical Working Group selected ACTIV trial teams a ...
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Journal articleJAMA Cardiol · October 1, 2023
IMPORTANCE: Trials showing equivalent or better outcomes with initial evaluation using coronary computed tomography angiography (cCTA) compared with stress testing in patients with stable chest pain have informed guidelines but raise questions about overte ...
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Journal articleJAMA Cardiol · October 1, 2023
IMPORTANCE: Guidelines recommend deferral of testing for symptomatic people with suspected coronary artery disease (CAD) and low pretest probability. To our knowledge, no randomized trial has prospectively evaluated such a strategy. OBJECTIVE: To assess pr ...
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Journal articleCirc Heart Fail · September 2023
BACKGROUND: We examined whether the primary composite outcome (cardiovascular death or heart failure hospitalization) was related to differences in background use and dosing of guideline-directed medical therapy in patients with heart failure with reduced ...
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Journal articlePain Med · August 4, 2023
In 2019, the National Health Interview survey found that nearly 59% of adults reported pain some, most, or every day in the past 3 months, with 39% reporting back pain, making back pain the most prevalent source of pain, and a significant issue among adult ...
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Journal articleJ Card Fail · August 2023
BACKGROUND: Hospitalization due to heart failure (HFH) is a major source of morbidity, consumes significant economic resources and is a key endpoint in HF clinical trials. HFH events vary in severity and implications, but they are typically considered equi ...
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Journal articleJAMA · July 25, 2023
IMPORTANCE: Immune dysregulation contributes to poorer outcomes in COVID-19. OBJECTIVE: To investigate whether abatacept, cenicriviroc, or infliximab provides benefit when added to standard care for COVID-19 pneumonia. DESIGN, SETTING, AND PARTICIPANTS: Ra ...
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Journal articleCirculation · July 11, 2023
BACKGROUND: Loop diuretics are a primary therapy for the symptomatic treatment of heart failure (HF), but whether torsemide improves patient symptoms and quality of life better than furosemide remains unknown. As prespecified secondary end points, the TRAN ...
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Journal articleBMJ Open · June 16, 2023
OBJECTIVE: We studied the safety and efficacy of hydroxychloroquine (HCQ) as pre-exposure prophylaxis for COVID-19 in healthcare workers (HCWs), using a meta-analysis of randomised controlled trials (RCTs). DATA SOURCES: PubMed and EMBASE databases were se ...
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Journal articleJACC Heart Fail · April 2023
BACKGROUND: The association between frailty and health status in patients with heart failure with preserved ejection fraction (HFpEF) is not well known. OBJECTIVES: The authors examined the association between: 1) patient-reported frailty, measured by the ...
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Journal articleAnn Intern Med · April 2023
BACKGROUND: Patients hospitalized with COVID-19 have an increased incidence of thromboembolism. The role of extended thromboprophylaxis after hospital discharge is unclear. OBJECTIVE: To determine whether anticoagulation is superior to placebo in reducing ...
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Journal articleJ Am Heart Assoc · February 7, 2023
Background Women with atrial fibrillation (AF) demonstrate more AF-related symptoms and worse quality of life (QOL). Whether increased use of ablation in women reduces sex-related QOL differences is unknown. Sex-related outcomes for ablation versus drug th ...
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Journal articleJAMA · January 17, 2023
IMPORTANCE: Although furosemide is the most commonly used loop diuretic in patients with heart failure, some studies suggest a potential benefit for torsemide. OBJECTIVE: To determine whether torsemide results in decreased mortality compared with furosemid ...
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Journal articleCommunications in Statistics Theory and Methods · January 1, 2023
Correlated categorical data often arise from studies involving cluster randomized trials, a cluster sampling scheme, or repeated measurements. The intra-cluster correlation coefficient (ICC) is used to estimate the average correlation within clusters. Ther ...
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Journal articleEur J Heart Fail · November 2022
Patients with heart failure with reduced ejection fraction (HFrEF) have a high residual risk of adverse outcomes, even when treated with optimal guideline-directed medical therapy and in a clinically stable state. Soluble guanylate cyclase (sGC) stimulator ...
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Journal articleJ Card Fail · October 2022
BACKGROUND: Death ascertainment can be challenging for pragmatic clinical trials that limit site follow-up activities to usual clinical care. METHODS AND RESULTS: We used blinded aggregate data from the ongoing ToRsemide comparison with furoSemide FOR Mana ...
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Journal articleAm Heart J · October 2022
BACKGROUND: Intravenous edetate disodium-based infusions reduced cardiovascular events in a prior clinical trial. The Trial to Assess Chelation Therapy 2 (TACT2) will replicate the initial study design. METHODS: TACT2 is an NIH-sponsored, randomized, 2x2 f ...
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Journal articleCirculation · August 16, 2022
BACKGROUND: In the CABANA trial (Catheter Ablation vs Antiarrhythmic Drug Therapy for Atrial Fibrillation), catheter ablation did not significantly reduce the primary end point of death, disabling stroke, serious bleeding, or cardiac arrest compared with d ...
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Journal articleJ Card Fail · July 2022
BACKGROUND: For patients hospitalized for heart failure with reduced ejection fraction (HFrEF), guidelines recommend optimization of medical therapy prior to discharge. The degree to which changes in medical therapy occur during hospitalizations for HFrEF ...
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Journal articleJACC Heart Fail · July 2022
BACKGROUND: The LIFE (LCZ696 In Hospitalized Advanced Heart FailurE) trial, which evaluated sacubitril/valsartan in patients with advanced heart failure (HF) with reduced ejection fraction and recent New York Heart Association functional class IV symptomat ...
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Journal articleCirc Heart Fail · June 2022
BACKGROUND: We examined the effects of vericiguat compared with placebo in patients with heart failure with reduced ejection fraction enrolled in VICTORIA (Vericiguat Global Study in Patients With Heart Failure With Reduced Ejection Fraction) on health sta ...
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Journal articleEur J Heart Fail · May 2022
AIMS: Coronary artery disease (CAD) portends worse outcomes in heart failure (HF). We aimed to characterize patients with CAD and worsening HF with reduced ejection fraction (HFrEF) and evaluate post hoc whether vericiguat treatment effect varied according ...
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Journal articleEur J Heart Fail · May 2022
AIMS: Clinically important thresholds in patient-reported outcomes measures like the Kansas City Cardiomyopathy Questionnaire (KCCQ) have not been defined for patients with heart failure and preserved ejection fraction (HFpEF). The aim of this study was to ...
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Journal articlePediatrics · May 1, 2022
OBJECTIVES: We evaluated the safety and efficacy of a test-to-stay program for unvaccinated students and staff who experienced an unmasked, in-school exposure to someone with confirmed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. ...
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Journal articleCirculation · April 26, 2022
BACKGROUND: ISCHEMIA (International Study of Comparative Health Effectiveness with Medical and Invasive Approaches) compared an initial invasive treatment strategy (INV) with an initial conservative strategy in 5179 participants with chronic coronary disea ...
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Journal articleCirculation · March 15, 2022
BACKGROUND: The STICH Randomized Clinical Trial (Surgical Treatment for Ischemic Heart Failure) demonstrated that coronary artery bypass grafting (CABG) reduced all-cause mortality rates out to 10 years compared with medical therapy alone (MED) in patients ...
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Journal articleJ Am Heart Assoc · March 15, 2022
Background EDTA is an intravenous chelating agent with high affinity to divalent cations (lead, cadmium, and calcium) that may be beneficial in the treatment of cardiovascular disease (CVD). Although a large randomized clinical trial showed benefit, smalle ...
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Journal articleJ Card Fail · February 2022
BACKGROUND: Palliative care (PC) in advanced heart failure (HF) aims to improve symptoms and quality of life (QOL), in part through medication management. The impact of PC on polypharmacy (>5 medications) remains unknown. METHODS AND RESULTS: We explored p ...
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Journal articleJ Palliat Med · February 2022
Introduction: Black patients have a higher incidence of heart failure (HF) and worse outcomes than white patients. Guidelines recommend palliative care for patients with advanced HF, but no studies have examined outcomes in a black patient cohort. Methods: ...
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Journal articleJAMA Cardiol · January 1, 2022
IMPORTANCE: The use of sacubitril/valsartan is not endorsed by practice guidelines for use in patients with New York Heart Association class IV heart failure with a reduced ejection fraction because of limited clinical experience in this population. OBJECT ...
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Journal articleJ Am Heart Assoc · November 16, 2021
Background Although safety and tolerability of vericiguat were established in the VICTORIA (Vericiguat Global Study in Subjects With Heart Failure With Reduced Ejection Fraction) trial in patients with heart failure with reduced ejection fraction, some sub ...
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Journal articleTher Innov Regul Sci · November 2021
BACKGROUND: The 21st Century Cures Act allows the US Food and Drug Administration (FDA) to utilize real-world data (RWD) to create real-world evidence (RWE) for new indications or post approval study requirements. We compared central adjudication with two ...
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Journal articleCJC Open · November 2021
BACKGROUND: Prior studies suggest similar long-term mortality rates for patients with heart failure (HF) with preserved ejection fraction (HFpEF) vs reduced ejection fraction. However, although coronary heart disease (CHD) is associated with worse prognosi ...
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Journal articleContemp Clin Trials · October 2021
BACKGROUND: The SARS CoV-2 virus has caused one of the deadliest pandemics in recent history, resulting in over 170 million deaths and global economic disruption. There remains an urgent need for clinical trials to test therapies for treatment and preventi ...
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Journal articleEur J Heart Fail · August 2021
AIMS: Vericiguat reduced the primary composite outcome of cardiovascular death or heart failure (HF) hospitalization in patients with worsening HF with reduced ejection fraction (HFrEF) and a lower limit of baseline estimated glomerular filtration rate (eG ...
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Journal articleJ Card Fail · June 24, 2021
BACKGROUND: The prediction of outcomes in patients with heart failure (HF) may inform prognosis, clinical decisions regarding treatment selection, and new trial planning. The VerICiguaT Global Study in Subjects With Heart Failure With Reduced Ejection Frac ...
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Journal articleJ Card Fail · June 24, 2021
BACKGROUND: The prediction of outcomes in patients with heart failure (HF) may inform prognosis, clinical decisions regarding treatment selection, and new trial planning. The VerICiguaT Global Study in Subjects With Heart Failure With Reduced Ejection Frac ...
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Journal articleJAMA Cardiol · June 1, 2021
IMPORTANCE: The period following heart failure hospitalization (HFH) is a vulnerable time with high rates of death or recurrent HFH. OBJECTIVE: To evaluate clinical characteristics, outcomes, and treatment response to vericiguat according to prespecified i ...
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Journal articleJAMA · May 11, 2021
IMPORTANCE: Alteration in lung microbes is associated with disease progression in idiopathic pulmonary fibrosis. OBJECTIVE: To assess the effect of antimicrobial therapy on clinical outcomes. DESIGN, SETTING, AND PARTICIPANTS: Pragmatic, randomized, unblin ...
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Journal articleJACC Heart Fail · May 2021
Randomized clinical trials are the foundation of evidence-based medicine and central to practice guidelines and patient care decisions. Nonetheless, randomized trials in heart failure (HF) populations have become increasingly difficult to conduct and are f ...
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Journal articleAm J Respir Crit Care Med · January 1, 2021
Rationale: Decisions in medicine are made on the basis of knowledge and reasoning, often in shared conversations with patients and families in consideration of clinical practice guideline recommendations, individual preferences, and individual goals. Obser ...
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Journal articleAm Heart J · November 2020
Machine learning and artificial intelligence are generating significant attention in the scientific community and media. Such algorithms have great potential in medicine for personalizing and improving patient care, including in the diagnosis and managemen ...
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Journal articleJAMA · October 20, 2020
IMPORTANCE: Patients with heart failure and preserved ejection fraction (HFpEF) are at high risk of mortality, hospitalizations, and reduced functional capacity and quality of life. OBJECTIVE: To assess the efficacy of the oral soluble guanylate cyclase st ...
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Journal articleAm Heart J · September 2020
Vitamin K antagonists are the only approved oral anticoagulants for long-term prophylaxis against valve thrombosis and thromboembolism in patients with a mechanical heart valve. Despite the proven efficacy and safety of anticoagulation with the oral direct ...
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Journal articleJ Diabetes Complications · August 2020
BACKGROUND: The NIH-funded Trial to Assess Chelation Therapy (TACT) randomized 1708 stable patients age ≥50 who were ≥6 months post myocardial infarction to 40 infusions of an edetate disodium-based regimen or placebo. In 633 patients with diabetes, edetat ...
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Journal articleJ Am Coll Cardiol · July 28, 2020
BACKGROUND: The SCD-HeFT (Sudden Cardiac Death in Heart Failure Trial) randomized 2,521 patients with moderate heart failure (HF) to amiodarone, placebo drug, or implantable cardioverter-defibrillator (ICD) therapy. Original trial follow-up ended October 3 ...
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Journal articleJMIR Med Inform · July 15, 2020
BACKGROUND: Successful integrations of machine learning into routine clinical care are exceedingly rare, and barriers to its adoption are poorly characterized in the literature. OBJECTIVE: This study aims to report a quality improvement effort to integrate ...
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Journal articleJAMA Cardiol · July 1, 2020
IMPORTANCE: Despite evidence that guideline-directed medical therapy (GDMT) improves outcomes in patients with heart failure (HF) and reduced ejection fraction, many patients are undertreated. The Guiding Evidence-Based Therapy Using Biomarker Intensified ...
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Journal articleJ Thorac Cardiovasc Surg · June 2020
OBJECTIVE: In the Levosimendan in Patients with Left Ventricular Systolic Dysfunction Undergoing Cardiac Surgery Requiring Cardiopulmonary Bypass (LEVO-CTS) trial, no differences in clinical outcomes were observed between levosimendan and placebo in a broa ...
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Journal articleN Engl J Med · May 14, 2020
BACKGROUND: The effect of vericiguat, a novel oral soluble guanylate cyclase stimulator, in patients with heart failure and reduced ejection fraction who had recently been hospitalized or had received intravenous diuretic therapy is unclear. METHODS: In th ...
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Journal articleJ Card Fail · May 2020
BACKGROUND: Diastolic dysfunction (DD) is common and occurs at an earlier age among human immunodeficiency virus-infected (HIV+) individuals, but the mechanisms and consequences of DD among HIV+ individuals are unclear. METHODS AND RESULTS: The Characteriz ...
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Journal articleJAMA Cardiol · May 1, 2020
IMPORTANCE: Pharmacy fill data are increasingly accessible to clinicians and researchers to evaluate longitudinal medication persistence beyond patient self-report. OBJECTIVE: To assess the agreement and accuracy of patient-reported and pharmacy fill-based ...
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Journal articleCirc Cardiovasc Qual Outcomes · May 2020
BACKGROUND: Cost is frequently cited as a barrier to optimal medication use, but the extent to which copayment assistance interventions are used when available, and their impact on evidence-based medication persistence and major adverse cardiovascular even ...
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Journal articleJ Am Heart Assoc · April 21, 2020
Background Hospitals commonly provide a short-term supply of free P2Y12 inhibitors at discharge after myocardial infarction, but it is unclear if these programs improve medication persistence and outcomes. The ARTEMIS (Affordability and Real-World Antiplat ...
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Journal articleRespir Res · March 12, 2020
Compelling data have linked disease progression in patients with idiopathic pulmonary fibrosis (IPF) with lung dysbiosis and the resulting dysregulated local and systemic immune response. Moreover, prior therapeutic trials have suggested improved outcomes ...
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Journal articleAmerican Journal of Lifestyle Medicine · March 1, 2020
Despite increased reimbursement for registered dietitian nutritionists (RDNs), few studies have assessed the potential of integrating them into primary care clinics to support pediatric weight management. To assess the feasibility and effectiveness of this ...
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Journal articleAm Heart J · February 2020
BACKGROUND: Cardiorespiratory fitness (CRF) is closely linked to health status and clinical outcomes in heart failure (HF) patients. We aimed to test whether biomarkers can reflect CRF and its change over time. METHODS: This post hoc analysis used data fro ...
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Journal articleJAMA Cardiol · January 1, 2020
IMPORTANCE: The Affordability and Real-World Antiplatelet Treatment Effectiveness After Myocardial Infarction Study (ARTEMIS) cluster-randomized trial found that copayment reduction for P2Y12 inhibitors improved 1-year patient persistence in taking that me ...
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Journal articleClin Cardiol · January 2020
BACKGROUND: In patients hospitalized with acute heart failure (AHF), low urine sodium concentration (UNa ) after diuretic treatment may identify patients at risk for longer length of stay (LOS) and adverse events. We investigated the prognostic significanc ...
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Journal articleCirculation · December 17, 2019
Following regulatory guidance set forth in 2008 by the US Food and Drug Administration for new drugs for type 2 diabetes mellitus, many large randomized, controlled trials have been conducted with the primary goal of assessing the safety of antihyperglycem ...
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Journal articleEur J Heart Fail · December 2019
AIM: Describe the distinguishing features of heart failure (HF) patients with reduced ejection fraction (HFrEF) in the VICTORIA (Vericiguat Global Study in Patients with Heart Failure with Reduced Ejection Fraction) trial. METHODS AND RESULTS: Key backgrou ...
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Journal articleJ Am Coll Cardiol · September 3, 2019
BACKGROUND: The GUIDE-IT (GUIDing Evidence Based Therapy Using Biomarker Intensified Treatment in Heart Failure) trial demonstrated that a strategy to "guide" application of guideline-directed medical therapy (GDMT) by reducing amino-terminal pro-B-type na ...
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Journal articleEur J Heart Fail · June 2019
BACKGROUND: Most heart failure (HF) risk scores have been derived from cohorts of stable HF patients and may not incorporate up to date treatment regimens or deep phenotype characterization that change baseline risk over the short- and long-term follow-up ...
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Journal articleCirc Heart Fail · June 2019
Background The relationship between intensive volume removal in acute decompensated heart failure patients with preexisting worsening renal function (WRF) and renal tubular injury, postdischarge renal function, and clinical outcomes is unknown. Methods and ...
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Journal articleCirc Heart Fail · May 2019
Background The VITALITY-HFpEF trial (Evaluate the Efficacy and Safety of the Oral sGC Stimulator Vericiguat to Improve Physical Functioning in Daily Living Activities of Patients With Heart Failure and Preserved Ejection Fraction) is designed to determine ...
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Journal articleJACC Clin Electrophysiol · May 2019
OBJECTIVES: This study sought to determine how frequently patient-reported outcomes (PROs) are collected in registered clinical studies of atrial fibrillation (AF). BACKGROUND: Improving symptom burden and quality of life are important goals in the treatme ...
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Journal articleJAMA · April 2, 2019
IMPORTANCE: Catheter ablation is more effective than drug therapy in restoring sinus rhythm in patients with atrial fibrillation (AF), but its incremental effect on long-term quality of life (QOL) is uncertain. OBJECTIVE: To determine whether catheter abla ...
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Journal articleJACC Heart Fail · February 2019
OBJECTIVES: This study aims to assess the association between biomarker-guided therapy and left ventricular (LV) remodeling. BACKGROUND: In patients with heart failure with reduced ejection fraction (HFrEF), it is unclear if lowering natriuretic peptides r ...
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Journal articleHeart Rhythm · January 2019
BACKGROUND: Patients with heart failure and sleep apnea are at increased risk for developing arrhythmias. Whether treatment of sleep apnea reduces arrhythmias is unknown. OBJECTIVE: The purpose of this study was to determine whether adaptive servo-ventilat ...
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Journal articleJAMA · January 1, 2019
IMPORTANCE: Despite guideline recommendations, many patients discontinue P2Y12 inhibitor therapy earlier than the recommended 1 year after myocardial infarction (MI), and higher-potency P2Y12 inhibitors are underutilized. Cost is frequently cited as an exp ...
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Journal articleStud Health Technol Inform · 2019
Death, as a biological phenomenon, is well understood and a commonly employed endpoint for clinical trials. However, death identification and adjudication may be difficult for pragmatic clinical trials (PCT) that rely upon electronic health record and pati ...
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Journal articleJ Am Coll Cardiol · November 27, 2018
BACKGROUND: The GUIDE-IT (GUIDing Evidence Based Therapy Using Biomarker Intensified Treatment in Heart Failure) trial prospectively compared the efficacy of an N-terminal pro-B-type natriuretic peptide (NT-proBNP)-guided heart failure treatment strategy ( ...
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Journal articleJAMA · November 6, 2018
IMPORTANCE: There are few effective treatments for heart failure with preserved ejection fraction (HFpEF). Short-term administration of inorganic nitrite or nitrate preparations has been shown to enhance nitric oxide signaling, which may improve aerobic ca ...
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Journal articleChest · November 2018
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) causes irreversible loss of lung function. The lysophosphatidic acid receptor 1 (LPA1) pathway is implicated in IPF etiology. Safety and efficacy of BMS-986020, a high-affinity LPA1 antagonist, was assessed v ...
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Journal articleJ Card Fail · September 2018
AIMS: To explore the association of changes in weight and fluid during treatment for acute heart failure (AHF) with clinical endpoints. METHODS AND RESULTS: Weight and net fluid changes recorded at 72-96 hours in 708 AHF patients enrolled in Diuretic Optim ...
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Journal articleLancet Respir Med · September 2018
BACKGROUND: Abnormal acid gastro-oesophageal reflux (GER) is hypothesised to play a role in progression of idiopathic pulmonary fibrosis (IPF). We aimed to determine whether treatment of abnormal acid GER with laparoscopic anti-reflux surgery reduces the r ...
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Journal articleJ Card Fail · July 2018
BACKGROUND: Poor response to loop diuretic therapy is a marker of risk during heart failure hospitalization. We sought to describe baseline determinants of diuretic response and to further explore the relationship between this response and clinical outcome ...
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Journal articleCan J Anaesth · July 2018
PURPOSE: The Multicenter Study of Perioperative Ischemia (McSPI) AFRisk index predicts postoperative atrial fibrillation (POAF) after cardiac surgery, but requires pre-, intra-, and postoperative data. Other more abbreviated risk indices exist, but there i ...
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Journal articleAm Heart J · July 2018
BACKGROUND: Sleep-disordered breathing (SDB), including central and obstructive sleep apnea, is a marker of poor prognosis in heart failure (HF) and may worsen cardiac dysfunction over time. Treatment of SDB with adaptive servoventilation (ASV) may reverse ...
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Journal articleJ Am Heart Assoc · April 12, 2018
BACKGROUND: Underlying inflammation has been increasingly recognized in heart failure with a preserved ejection fraction (HFpEF). In this study we tested the hypothesis that pro-inflammatory biomarkers are elevated in patients with acutely decompensated HF ...
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Journal articleAm Heart J · April 2018
BACKGROUND: Low health literacy is common in the United States and may affect outcomes after myocardial infarction (MI). How often hospitals screen for low health literacy is unknown. METHODS: We surveyed 122 hospitals in the TRANSLATE-ACS study and divide ...
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Journal articleJ Card Fail · April 2018
Antiretroviral therapy (ART) has been associated with a shift in the epidemiology of human immunodeficiency virus (HIV)-associated cardiomyopathy from a phenotype of primarily left ventricular (LV) systolic dysfunction to LV diastolic dysfunction (DD). Pat ...
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Journal articleJ Allergy Clin Immunol · March 2018
BACKGROUND: The use of inflammatory biomarkers to delineate the type of lung inflammation present in asthmatic subjects is increasingly common. However, the effect of obesity on these markers is unknown. OBJECTIVES: We aimed to determine the effect of obes ...
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Journal articleJACC Heart Fail · February 2018
This trial sought to evaluate whether vericiguat, a novel oral soluble guanylate cyclase (sGC) stimulator, was superior to placebo, on a background of standard of care, in increasing the time to the first occurrence of the composite endpoints of cardiovasc ...
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Journal articleJAMA Cardiol · September 1, 2017
IMPORTANCE: Persistent congestion is associated with worse outcomes in acute heart failure (AHF). Mineralocorticoid receptor antagonists administered at high doses may relieve congestion, overcome diuretic resistance, and mitigate the effects of adverse ne ...
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Journal articleJAMA · August 22, 2017
IMPORTANCE: The natriuretic peptides are biochemical markers of heart failure (HF) severity and predictors of adverse outcomes. Smaller studies have evaluated adjusting HF therapy based on natriuretic peptide levels ("guided therapy") with inconsistent res ...
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Journal articleClin Microbiol Infect · August 2017
OBJECTIVES: Left-sided methicillin-susceptible Staphylococcus aureus (MSSA) endocarditis treated with cloxacillin has a poorer prognosis when the vancomycin minimum inhibitory concentration (MIC) is ≥1.5 mg/L. We aimed to validate this using the Internatio ...
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Journal articleJAMA Cardiol · August 1, 2017
IMPORTANCE: Phosphodiesterase-5 inhibition with sildenafil compared with a placebo had no effect on the exercise capacity or clinical status of patients with heart failure with preserved ejection fraction (HFpEF) in the PhosphodiesteRasE-5 Inhibition to Im ...
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Journal articleJ Am Coll Cardiol · July 18, 2017
BACKGROUND: Advanced heart failure (HF) is characterized by high morbidity and mortality. Conventional therapy may not sufficiently reduce patient suffering and maximize quality of life. OBJECTIVES: The authors investigated whether an interdisciplinary pal ...
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Journal articleAm J Cardiol · July 1, 2017
Differences in the clinical course of congestion by underlying ejection fraction (EF) have not been well-characterized in acute heart failure (AHF). A post hoc analysis was performed using pooled data from the Diuretic Optimization Strategies Evaluation in ...
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Journal articleJAMA Cardiol · July 1, 2017
IMPORTANCE: Pragmatic clinical trial designs have proposed the use of medical claims data to ascertain clinical events; however, the accuracy of billed diagnoses in identifying potential events is unclear. OBJECTIVES: To compare the 1-year cumulative incid ...
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Journal articleAm J Cardiol · June 15, 2017
Because hepatic dysfunction is common in patients with heart failure (HF), the Model for End-Stage Liver Disease (MELD) may be attractive for risk stratification. Although alternative scores such as the MELD-XI or MELD-Na may be more appropriate in HF popu ...
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Journal articleN Engl J Med · May 25, 2017
BACKGROUND: Levosimendan is an inotropic agent that has been shown in small studies to prevent or treat the low cardiac output syndrome after cardiac surgery. METHODS: In a multicenter, randomized, placebo-controlled, phase 3 trial, we evaluated the effica ...
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Journal articleJAMA · May 16, 2017
IMPORTANCE: Iron deficiency is present in approximately 50% of patients with heart failure with reduced left ventricular ejection fraction (HFrEF) and is an independent predictor of reduced functional capacity and mortality. However, the efficacy of inexpe ...
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Journal articleJ Am Coll Cardiol · May 9, 2017
BACKGROUND: Chronic angina is more common in patients with diabetes mellitus (DM) with poor glucose control. Ranolazine both treats chronic angina and improves glucose control. OBJECTIVES: This study sought to examine ranolazine's antianginal effect in rel ...
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Journal articleAm Heart J · May 2017
BACKGROUND: Little is known about the use of platelet function testing to guide choice of P2Y12 receptor inhibitor therapy in routine clinical practice. METHODS: We studied 671 myocardial infarction (MI) patients treated with percutaneous coronary interven ...
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Journal articleJAMA Cardiol · May 1, 2017
IMPORTANCE: The Apixaban for Reduction in Stroke and Other Thromboembolic Events in Atrial Fibrillation (ARISTOTLE) trial reported that apixaban therapy was superior to warfarin therapy in preventing stroke and all-cause death while causing significantly f ...
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Journal articleCirc Heart Fail · May 2017
UNLABELLED: Approximately half of patients with heart failure have preserved ejection fraction. There is no proven treatment that improves outcome. The pathophysiology of heart failure with preserved ejection fraction is complex and includes left ventricul ...
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Journal articleAm J Respir Crit Care Med · April 1, 2017
RATIONALE: Adaptive multiple features method (AMFM) lung texture analysis software recognizes high-resolution computed tomography (HRCT) patterns. OBJECTIVES: To evaluate AMFM and visual quantification of HRCT patterns and their relationship with disease p ...
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Journal articleJ Am Coll Cardiol · March 28, 2017
BACKGROUND: Sleep apnea is common in hospitalized heart failure (HF) patients and is associated with increased morbidity and mortality. OBJECTIVES: The CAT-HF (Cardiovascular Improvements With MV-ASV Therapy in Heart Failure) trial investigated whether min ...
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Journal articleClin Cardiol · January 2017
BACKGROUND: Several diabetes mellitus (DM) therapies are associated with worse heart failure (HF) outcomes, yet limited data exist characterizing routine DM management based on HF status. HYPOTHESIS: DM medications prescribed for patients with HF will diff ...
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Journal articleAm J Cardiol · January 1, 2017
Lower serum chloride (Cl) levels are strongly associated with increased long-term mortality after admission for acute heart failure (AHF). However, the therapeutic implications of serum Cl levels during AHF are unknown. We sought to determine the short-ter ...
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Journal articleAm Heart J · January 2017
UNLABELLED: The reasons for postdischarge adenosine diphosphate receptor inhibitor (ADPri) switching among patients with myocardial infarction (MI) are unclear. We sought to describe the incidence and patterns of postdischarge ADPri switching among patient ...
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Journal articleStud Health Technol Inform · 2017
Medicaid beneficiaries in 6 North Carolina counties were randomly assigned to 1 of 3 clinical decision support (CDS) care transition strategies: (1) usual care (Control), (2) CDS messaging to patients and their medical homes (Reports), or (3) CDS messaging ...
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Journal articleAm Heart J · December 2016
BACKGROUND: Low cardiac output syndrome is associated with increased mortality and occurs in 3% to 14% of patients undergoing cardiac surgery on cardiopulmonary bypass (CPB). Levosimendan, a novel calcium sensitizer and KATP channel activator with inotropi ...
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Journal articleJACC Heart Fail · December 2016
OBJECTIVES: This study evaluated the prevalence, profile, and prognosis of severe obesity in a large contemporary acute heart failure (AHF) population. BACKGROUND: Better prognosis has been reported for obese heart failure (HF) patients than nonobese HF pa ...
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Journal articleJ Card Fail · November 2016
OBJECTIVE: To characterize a novel "worst"-symptom visual analogue scale (WS-VAS) versus the traditional dyspnea visual analogue scale (DVAS) in an acute heart failure (AHF) trial. BACKGROUND: AHF trials assess symptom relief as a pivotal endpoint with the ...
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Journal articleCan J Cardiol · November 2016
Composite end points are frequently used in clinical trials of investigational treatments for acute heart failure, eg, to boost statistical power and reduce the overall sample size. By incorporating multiple and varying types of clinical outcomes they prov ...
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Journal articleJACC Heart Fail · November 2016
OBJECTIVES: This study sought to investigate relationships between insulin-like growth factor-binding protein-7 (IGFBP7) and parameters of diastolic function or functional capacity in patients with heart failure and preserved ejection fraction (HFpEF) who ...
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Journal articleCirc Cardiovasc Interv · November 2016
BACKGROUND: Guidelines recommend the use of adenosine diphosphate receptor inhibitor (ADPri) therapy for 1 year postacute myocardial infarction; yet, early cessation of therapy occurs frequently in clinical practice. METHODS AND RESULTS: We examined 11 858 ...
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Journal articleJ Am Heart Assoc · September 23, 2016
BACKGROUND: Few studies have examined how antiplatelet therapies are selected during the routine care of acute myocardial infarction patients, particularly relative to the patient's estimated mortality and bleeding risks. METHODS AND RESULTS: We examined p ...
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Journal articleJ Card Fail · September 2016
BACKGROUND: Though commonly noted in clinical practice, it is unknown if decongestion in acute heart failure (AHF) results in increased serum bicarbonate. METHODS AND RESULTS: For 678 AHF patients in the DOSE-AHF, CARRESS-HF, and ROSE-AHF trials, we assess ...
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Journal articleJAMA Cardiol · September 1, 2016
IMPORTANCE: There is increasing interest in performing comparative effectiveness analyses in large observational databases, yet these analyses must adjust for treatment selection issues. OBJECTIVES: To conduct comparative safety and efficacy analyses of pr ...
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Journal articleEur Respir J · September 2016
We sought to assess whether laparoscopic anti-reflux surgery (LARS) is associated with decreased rates of disease progression in patients with idiopathic pulmonary fibrosis (IPF).The study was a retrospective single-centre study of IPF patients with worsen ...
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Journal articleJACC Heart Fail · September 2016
Although therapy with mineralocorticoid receptor antagonists (MRAs) is recommended for patients with chronic heart failure (HF) with reduced ejection fraction and in post-infarction HF, it has not been studied well in acute HF (AHF) despite being commonly ...
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Journal articleJAMA · August 2, 2016
IMPORTANCE: Abnormal cardiac metabolism contributes to the pathophysiology of advanced heart failure with reduced left ventricular ejection fraction (LVEF). Glucagon-like peptide 1 (GLP-1) agonists have shown cardioprotective effects in early clinical stud ...
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Journal articleAm Heart J · August 2016
BACKGROUND: Few studies have assessed treatment effects on health-related quality of life (HRQoL) in patients with acute coronary syndrome (ACS) treated without revascularization. The TRILOGY ACS trial randomized patients with ACS to either prasugrel or cl ...
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Journal articleCirc Heart Fail · August 2016
BACKGROUND: In-hospital worsening heart failure (WHF) is an important event that has inconsistent definitions used across trials. We used data from 2 acute heart failure (HF) trials from the National Institutes of Health HF Network, DOSE (Diuretic Optimiza ...
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Journal articleCirc Heart Fail · August 2016
BACKGROUND: The ROSE AHF trial (Renal Optimization Strategies Evaluation in Acute Heart Failure) found that when compared with placebo, neither low-dose dopamine (2 µg/kg per minute) nor low-dose nesiritide (0.005 μg/kg per minute without bolus) enhanced d ...
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Journal articleAnn Intern Med · July 19, 2016
BACKGROUND: PROMISE (PROspective Multicenter Imaging Study for Evaluation of Chest Pain) found that initial use of at least 64-slice multidetector computed tomography angiography (CTA) versus functional diagnostic testing strategies did not improve clinica ...
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Journal articleAm Heart J · July 2016
BACKGROUND: The use of oral P2Y12 receptor inhibitors after acute myocardial infarction (MI) can reduce risks of subsequent major adverse cardiovascular events (composite of all-cause death, recurrent MI, and stroke), yet medication persistence is suboptim ...
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Journal articleCirc Arrhythm Electrophysiol · July 2016
BACKGROUND: Patients with an unused or malfunctioning implantable cardioverter-defibrillator (ICD) lead may have the lead either abandoned or explanted; yet there are limited data on the comparative acute and longer-term safety of these 2 approaches. METHO ...
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Journal articleCirculation · May 24, 2016
BACKGROUND: The Prospective Multicenter Imaging Study for Evaluation of Chest Pain (PROMISE) trial found that initial use of ≥64 detector-row computed tomography angiography versus standard functional testing strategies (exercise ECG, stress nuclear method ...
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Journal articleCirc Heart Fail · May 2016
UNLABELLED: : Iron deficiency is present in ≈50% of patients with heart failure and is an independent predictor of mortality. Despite growing recognition of the functional and prognostic significance of iron deficiency, randomized multicenter trials explor ...
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Journal articleInteract J Med Res · April 28, 2016
BACKGROUND: Angina is a clinical syndrome whose recognition relies heavily on self-report, so its identification can be challenging. Most data come from cohorts identified by physicians and nurses at the point of care; however, current widespread access to ...
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Journal articleContemp Clin Trials · March 2016
OBJECTIVE: The CAT-HF Study was designed to evaluate the safety and efficacy of minute ventilation-targeted adaptive servo-ventilation (MV-ASV) during sleep in addition to optimized medical therapy (active therapy) versus optimized medical therapy alone (u ...
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Journal articleAm J Cardiol · February 1, 2016
Furosemide is the most commonly used loop diuretic in patients with heart failure (HF) despite data suggesting potential pharmacologic and antifibrotic benefits with torsemide. We investigated patients with HF in Acute Study of Clinical Effectiveness of Ne ...
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Journal articleAm Heart J · February 2016
BACKGROUND: The acute heart failure (AHF) Syndromes International Working Group proposed that dyspnea be assessed under standardized, incrementally provocative maneuvers and called for studies to assess the feasibility of this approach. We sought to assess ...
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Journal articleJ Am Heart Assoc · January 25, 2016
BACKGROUND: Longitudinal clinical investigations often rely on patient reports to screen for postdischarge adverse outcomes events, yet few studies have examined the accuracy of such patient reports. METHODS AND RESULTS: Patients with acute myocardial infa ...
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Journal articleCirculation · January 5, 2016
BACKGROUND: Angina often persists or returns in populations following percutaneous coronary intervention (PCI). We hypothesized that ranolazine would be effective in reducing angina and improving quality of life (QOL) in incomplete revascularization (ICR) ...
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Journal articleCatheter Cardiovasc Interv · January 1, 2016
OBJECTIVES: To evaluate the safety of drug-eluting stents (DES) when treating patients with failing saphenous vein grafts (SVG). BACKGROUND: DES reduce target vessel revascularization in patients with failing SVGs; however, compared with bare metal stents ...
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Journal articleJ Card Fail · January 2016
BACKGROUND: Worsening renal function in heart failure may be related to increased venous congestion, decreased cardiac output, or both. Diuretics are universally used in acute decompensated heart failure, but they may be ineffective and may lead to azotemi ...
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Journal articleBMJ Open Respir Res · 2016
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a chronic interstitial lung disease characterised by progressive loss of lung function. Its clinical course is variable but ultimately fatal. There is a need for a multicentre patient registry incorporatin ...
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Journal articleAMIA Annu Symp Proc · 2016
The Chronic Care Model (CCM) is a promising framework for improving population health, but little is known regarding the long-term impact of scalable, informatics-enabled interventions based on this model. To address this challenge, this study evaluated th ...
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Journal articleAm J Respir Crit Care Med · December 15, 2015
RATIONALE: Idiopathic pulmonary fibrosis (IPF) is a devastating lung disease of unknown etiology. The genes TOLLIP and MUC5B play important roles in lung host defense, which is an immune process influenced by oxidative signaling. Whether polymorphisms in T ...
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Journal articleN Engl J Med · December 10, 2015
BACKGROUND: Nitrates are commonly prescribed to enhance activity tolerance in patients with heart failure and a preserved ejection fraction. We compared the effect of isosorbide mononitrate or placebo on daily activity in such patients. METHODS: In this mu ...
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Journal articleEur Heart J Acute Cardiovasc Care · December 2015
AIMS: While randomized clinical trials have compared clopidogrel with higher potency adenosine diphosphate (ADP) receptor inhibitors among patients with acute myocardial infarction, little is known about the frequency, effectiveness and safety of switching ...
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Journal articleChest · October 2015
BACKGROUND: The National Heart, Lung, and Blood Institute-sponsored IPF Clinical Research Network (IPFnet) studies enrolled subjects with idiopathic pulmonary fibrosis (IPF) to evaluate drug therapies in treatment trials. An adjudication committee (AC) pro ...
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Journal articleFuture Cardiol · September 2015
AIM: The authors assessed the comparative effectiveness of torsemide versus furosemide in the PROTECT trial. METHODS: The authors assessed the relationship between loop diuretic at discharge and death or cardiovascular/renal hospitalization within 30 days, ...
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Journal articleJ Am Heart Assoc · August 6, 2015
BACKGROUND: Implantable cardioverter-defibrillator (ICD) therapy is associated with improved outcomes in patients with heart failure (HF), but whether this association holds among older patients with multiple comorbid illnesses and worse HF burden remains ...
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Journal articleAm Heart J · August 2015
BACKGROUND: In the SAFE-PCI for Women trial, patient preference for radial access for future procedures was greater than for femoral access. We sought to assess whether radial or femoral access impacts formal measures of quality-of-life (QOL) among women u ...
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Journal articleCirc Heart Fail · July 2015
BACKGROUND: Congestion is the most frequent cause for hospitalization in acute decompensated heart failure. Although decongestion is a major goal of acute therapy, it is unclear how the clinical components of congestion (eg, peripheral edema, orthopnea) co ...
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Journal articleCirc Cardiovasc Interv · June 2015
BACKGROUND: Little is known about how clinicians use platelet function testing to guide choice and dosing of adenosine diphosphate receptor inhibitor (ADPri) therapy in routine community practice. METHODS AND RESULTS: The Treatment With Adenosine Diphospha ...
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Journal articleCirculation · May 19, 2015
BACKGROUND: Oxidative stress may contribute to heart failure (HF) progression. Inhibiting xanthine oxidase in hyperuricemic HF patients may improve outcomes. METHODS AND RESULTS: We randomly assigned 253 patients with symptomatic HF, left ventricular eject ...
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Journal articleAm J Cardiol · May 15, 2015
Electrical cardioversion (ECV) is recommended for rhythm control in patients with atrial arrhythmia; yet, ECV use and outcomes in contemporary practice are unknown. We reviewed all nonemergent ECVs for atrial arrhythmias at a tertiary care center (2010 to ...
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Journal articleLancet Respir Med · May 2015
BACKGROUND: Mortality is an impractical primary endpoint for clinical trials in patients with idiopathic pulmonary fibrosis who have mild-to-moderate physiological impairment because event rates are low. Change in forced vital capacity (FVC) is widely acce ...
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Journal articleJ Cardiovasc Pharmacol · May 2015
Furosemide has historically been the primary loop diuretic in heart failure patients despite data suggesting potential advantages with torsemide. We used the Duke Echocardiography Lab Database to investigate patients admitted with heart failure to Duke Hos ...
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Journal articleAntimicrob Agents Chemother · April 2015
Candida infective endocarditis is a rare disease with a high mortality rate. Our understanding of this infection is derived from case series, case reports, and small prospective cohorts. The purpose of this study was to evaluate the clinical features and u ...
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Journal articleClin Infect Dis · March 1, 2015
BACKGROUND: The impact of early valve surgery (EVS) on the outcome of Staphylococcus aureus (SA) prosthetic valve infective endocarditis (PVIE) is unresolved. The objective of this study was to evaluate the association between EVS, performed within the fir ...
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Journal articleAm Heart J · March 2015
The health and economic burden of heart failure is significant and continues to grow each year. Loop diuretics are an integral part of symptom management in heart failure. Furosemide is used disproportionately compared with other loop diuretics, and there ...
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Journal articleCirc Cardiovasc Interv · March 2015
BACKGROUND: Information is limited on contemporary use and outcomes of embolic protection devices (EPDs) in saphenous vein graft interventions. METHODS AND RESULTS: We formed a longitudinal cohort (2005-2009; n=49 325) by linking National Cardiovascular Da ...
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Journal articleJ Am Coll Cardiol · February 10, 2015
BACKGROUND: Based on results of the PLATO (Platelet Inhibition and Patient Outcomes) trial comparing ticagrelor with clopidogrel therapy, the U.S. Food and Drug Administration approved ticagrelor in 2011 for reducing thrombotic cardiovascular events in pat ...
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Journal articleJ Cardiovasc Electrophysiol · February 2015
INTRODUCTION: We conducted this pilot randomized clinical trial to determine the feasibility of a large clinical trial aimed at testing whether early use of catheter ablation of ventricular tachycardia (VT) is superior to antiarrhythmic medications at redu ...
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Journal articleJACC Heart Fail · February 2015
OBJECTIVES: The purpose of this study was to assess the relationship between biomarkers of renin-angiotensin-aldosterone system (RAAS) activation and decongestion strategies, worsening renal function, and clinical outcomes. BACKGROUND: High-dose diuretic t ...
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Journal articleJACC Heart Fail · February 2015
OBJECTIVES: The purpose of this study was to assess the benefit of primary prevention implantable cardioverter defibrillators (ICDs) in women. BACKGROUND: Clinical trials of primary prevention ICDs enrolled a limited number of women. METHODS: Using a prope ...
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Journal articleCirc Arrhythm Electrophysiol · February 2015
BACKGROUND: Racial and ethnic minorities are under-represented in clinical trials of primary prevention implantable cardioverter-defibrillators (ICDs). This analysis investigates the association between primary prevention ICDs and mortality among Medicare, ...
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Journal articleJ Am Heart Assoc · January 30, 2015
BACKGROUND: Clinical outcomes in patients with refractory angina (RA) are poorly characterized and variably described. Using the Duke Database for Cardiovascular Disease (DDCD), we explored characteristics that drive clinical endpoints in patients with cla ...
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Journal articleInt J Cardiol · January 15, 2015
BACKGROUND: Nearly half of patients require cardiac surgery during the acute phase of infective endocarditis (IE). We describe the characteristics of patients according to the type of valve replacement (mechanical or biological), and examine whether the ty ...
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Journal articleCirculation · January 13, 2015
BACKGROUND: Use of surgery for the treatment of infective endocarditis (IE) as related to surgical indications and operative risk for mortality has not been well defined. METHODS AND RESULTS: The International Collaboration on Endocarditis-PLUS (ICE-PLUS) ...
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Journal articleAm Heart J · November 2014
BACKGROUND: The progressive nature of heart failure (HF) coupled with high mortality and poor quality of life mandates greater attention to palliative care as a routine component of advanced HF management. Limited evidence exists from randomized, controlle ...
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Journal articleChest · November 2014
BACKGROUND: The feasibility of an interventional clinical trial in idiopathic pulmonary fibrosis (IPF) using death and hospitalization as primary end points is an area of uncertainty. Using data from a large well-characterized clinical trial population, th ...
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Journal articleStroke · November 2014
BACKGROUND AND PURPOSE: Although racial/ethnic differences in care are pervasive in many areas of medicine, little is known whether intracerebral hemorrhage (ICH) care processes or outcomes differ by race/ethnicity. METHODS: We analyzed 123 623 patients wi ...
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Journal articleCirc Arrhythm Electrophysiol · October 2014
BACKGROUND: Guidelines recommend that implantable cardioverter-defibrillator (ICD) candidates have an estimated longevity of ≥1 year. Longevity can be affected by chronic kidney disease (CKD). METHODS AND RESULTS: Using the National Cardiovascular Data Reg ...
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Journal articleBJOG · October 2014
OBJECTIVE: Cardiomyopathy (CM) at delivery is increasing in prevalance. The objective of this study was to determine which medical conditions are attributable to this increasing prevalance. DESIGN: Population prevalence study from 2000 to 2009. SETTING: Th ...
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Journal articleJACC Heart Fail · October 2014
OBJECTIVES: The GUIDE-IT (Guiding Evidence Based Therapy Using Biomarker Intensified Treatment in Heart Failure) study is designed to determine the safety, efficacy, and cost-effectiveness of a strategy of adjusting therapy with the goal of achieving and m ...
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Journal articleAnn Intern Med · September 16, 2014
BACKGROUND: The STICH (Surgical Treatment for Ischemic Heart Failure) trial compared a strategy of routine coronary artery bypass grafting (CABG) with guideline-based medical therapy for patients with ischemic left ventricular dysfunction. OBJECTIVE: To de ...
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Journal articleCirc Cardiovasc Qual Outcomes · September 2014
BACKGROUND: Many multicenter clinical trials use permuted-block randomization to create balanced treatment allocations within clinical centers. Unlike randomized trials, observational studies do not control treatment allocation, and statistical models are ...
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Journal articleAm J Cardiol · September 1, 2014
Sotalol is a commonly prescribed antiarrhythmic drug (AAD) used for maintaining sinus rhythm in patients with atrial fibrillation (AF). Although randomized studies have found that sotalol can significantly delay time to AF recurrence, its association with ...
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Journal articleAm Heart J · August 2014
Independent data monitoring committees (IDMCs) were introduced to monitor patient safety and study conduct in randomized clinical trials (RCTs), but certain challenges regarding the utilization of IDMCs have developed. First, the roles and responsibilities ...
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Journal articleJACC Cardiovasc Interv · August 2014
OBJECTIVES: This study sought to determine the effect of radial access on outcomes in women undergoing percutaneous coronary intervention (PCI) using a registry-based randomized trial. BACKGROUND: Women are at increased risk of bleeding and vascular compli ...
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Journal articleCirc Cardiovasc Qual Outcomes · July 2014
BACKGROUND: The National Institutes of Health.funded Trial to Assess Chelation Therapy (TACT) randomized 1708 stablecoronary disease patients aged .50 years who were .6 months post.myocardial infarction (2003.2010) to 40 infusions ofa multicomponent EDTA c ...
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Journal articleJAMA · June 4, 2014
IMPORTANCE: Clinical trials of prophylactic implantable cardioverter-defibrillators (ICDs) have included a minority of patients with a left ventricular ejection fraction (LVEF) between 30% and 35%. Because a large number of ICDs in the United States are im ...
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Journal articleAm Heart J · June 2014
BACKGROUND: Suspected coronary artery disease (CAD) is one of the most common, potentially life-threatening diagnostic problems clinicians encounter. However, no large outcome-based randomized trials have been performed to guide the selection of diagnostic ...
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Journal articleN Engl J Med · May 29, 2014
BACKGROUND: Acetylcysteine has been suggested as a beneficial treatment for idiopathic pulmonary fibrosis, although data from placebo-controlled studies are lacking. METHODS: In our initial double-blind, placebo-controlled trial, we randomly assigned patie ...
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Journal articleAnesth Analg · May 2014
BACKGROUND: Enhanced recovery after surgery (ERAS) is a multimodal approach to perioperative care that combines a range of interventions to enable early mobilization and feeding after surgery. We investigated the feasibility, clinical effectiveness, and co ...
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Journal articleCatheter Cardiovasc Interv · February 2014
OBJECTIVE: We assessed the long-term outcomes of elderly patients who had in-stent restenosis (ISR) treated with drug-eluting stents (DES) compared with other treatment strategies. BACKGROUND: Elderly patients with ISR represent a vulnerable group of which ...
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Journal articleAm J Respir Crit Care Med · January 15, 2014
The median survival of patients with idiopathic pulmonary fibrosis (IPF) continues to be approximately 3 years from the time of diagnosis, underscoring the lack of effective medical therapies for this disease. In the United States alone, approximately 40,0 ...
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Journal articleRespir Med · January 2014
BACKGROUND: Dyspnea is a hallmark symptom of idiopathic pulmonary fibrosis (IPF), and dyspnea induced physical activity limitation is a prominent driver of quality of life impairment among IPF patients. METHODS: We examined response data for the 21 physica ...
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Journal articleFrontiers in Medicine · January 1, 2014
Idiopathic pulmonary fibrosis (IPF) is characterized by progressive deposition of extracellular matrix, worsening dyspnea, and eventual mortality. Pathogenesis of IPF is poorly understood and the role inflammation and activated leukocytes play in the disea ...
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Journal articleJAMA · December 18, 2013
IMPORTANCE: Small studies suggest that low-dose dopamine or low-dose nesiritide may enhance decongestion and preserve renal function in patients with acute heart failure and renal dysfunction; however, neither strategy has been rigorously tested. OBJECTIVE ...
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Journal articleAm Heart J · September 2013
Women are at higher risk than men for bleeding and vascular complications after percutaneous coronary intervention (PCI). Compared with femoral access, radial access reduces these complications but may be more challenging in women because of higher rates o ...
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Journal articleJ Vasc Surg · August 2013
BACKGROUND: The Positive Impact of EndoVascular Options for Treating Aneurysms Early (PIVOTAL) trial enrolled individuals with small (4.0- to 5.0-cm diameter) abdominal aortic aneurysms (AAA) and reported no difference in rupture or aneurysm-related death ...
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Journal articleRespir Res · July 13, 2013
BACKGROUND: Acute exacerbation of idiopathic pulmonary fibrosis has become an important outcome measure in clinical trials. This study aimed to explore the concept of suspected acute exacerbation as an outcome measure. METHODS: Three investigators retrospe ...
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Journal articleLancet Respir Med · July 2013
BACKGROUND: Abnormal acid gastro-oesophageal reflux is common in patients with idiopathic pulmonary fibrosis (IPF) and is considered a risk factor for development of IPF. Retrospective studies have shown improved outcomes in patients given anti-acid treatm ...
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Journal articleChest · June 2013
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a progressive lung disease with pulmonary vasculopathy. OBJECTIVE: The purpose of this study was to determine whether sildenafil improves 6-min walk distance (6MWD) in subjects with IPF and right ventricul ...
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Journal articleCirculation · April 2, 2013
BACKGROUND: Black, Hispanic, and Asian patients have been underrepresented in percutaneous coronary intervention clinical trials; therefore, there are limited data available on outcomes for these race/ethnicity groups. METHODS AND RESULTS: We examined outc ...
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Journal articleJAMA · March 27, 2013
IMPORTANCE: Studies in experimental and human heart failure suggest that phosphodiesterase-5 inhibitors may enhance cardiovascular function and thus exercise capacity in heart failure with preserved ejection fraction (HFPEF). OBJECTIVE: To determine the ef ...
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Journal articleAm Heart J · March 2013
Percutaneous coronary intervention (PCI) is an integral part of the treatment of coronary artery disease. The most common complication of PCI, bleeding, typically occurs at the vascular access site and is associated with short-term and long-term morbidity ...
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Journal articleJ Rheumatol · February 2013
OBJECTIVE: To evaluate the comparative effectiveness of nonbiologic disease-modifying antirheumatic drugs (DMARD) versus biologic DMARD (bDMARD) for treatment of rheumatoid arthritis (RA), using 2 common analytic approaches. METHODS: We analyzed change in ...
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Journal articleJ Med Syst · February 2013
To determine whether a clinical decision support system can favorably impact the delivery of emergency department and hospital services. Randomized clinical trial of three clinical decision support delivery modalities: email messages to care managers (emai ...
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Journal articleJAMA · January 2, 2013
IMPORTANCE: Randomized clinical trials have shown that implantable cardioverter-defibrillator (ICD) therapy saves lives. Whether the survival of patients who received an ICD in primary prevention clinical trials differs from that of trial-eligible patients ...
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Journal articleStud Health Technol Inform · 2013
Although evidence-based pharmacotherapies are a principal component of patient care, 30-50% of patients do not take their medications as prescribed. We conducted a randomized trial of two clinical decision support (CDS) interventions in 2219 patients: pati ...
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Journal articlePLoS One · 2013
The HACEK organisms (Haemophilus species, Aggregatibacter species, Cardiobacterium hominis, Eikenella corrodens, and Kingella species) are rare causes of infective endocarditis (IE). The objective of this study is to describe the clinical characteristics a ...
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Journal articleN Engl J Med · December 13, 2012
BACKGROUND: Ultrafiltration is an alternative strategy to diuretic therapy for the treatment of patients with acute decompensated heart failure. Little is known about the efficacy and safety of ultrafiltration in patients with acute decompensated heart fai ...
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Journal articleJ Am Coll Cardiol · December 4, 2012
OBJECTIVES: The purpose of this study was to characterize long-term outcomes of percutaneous coronary intervention (PCI) in elderly diabetic patients in routine practice. BACKGROUND: Although drug-eluting stent (DES) implantation in diabetic patients is co ...
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Journal articleJ Card Fail · November 2012
BACKGROUND: Obesity could attenuate diuretic effectiveness in treatment of acute decompensated heart failure (HF). METHODS AND RESULTS: The DOSE trial randomized 308 subjects with acute HF to low- versus high-intensification intravenous diuretic therapy. W ...
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Journal articleCirc Cardiovasc Qual Outcomes · November 2012
BACKGROUND: Provider and public health interventions in the late 2006 sought to change the duration of clopidogrel use after drug-eluting stent (DES) implantation. We evaluated whether public health interventions were associated with changes in patient-rep ...
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Journal articleCirculation · October 30, 2012
BACKGROUND: Conflicting evidence exists on sex-based outcomes after coronary stenting. METHODS AND RESULTS: Data on 426 996 patients ≥65 years old (42.3% women) from the National Cardiovascular Data Registry CathPCI Registry (2004-2008) were linked to Medi ...
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Journal articleRespir Med · October 2012
BACKGROUND: Idiopathic pulmonary fibrosis (IPF) is a progressive interstitial lung disease that often causes disabling dyspnea. In IPF and other lung diseases, patient-reported outcomes (PROs)-questionnaires designed to gather information from the patient' ...
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Journal articleJACC Cardiovasc Interv · October 2012
OBJECTIVES: This study sought to investigate the long-term effectiveness of drug-eluting stents (DES) versus bare-metal stents (BMS). BACKGROUND: Improved recanalization techniques have increased interest in percutaneous coronary intervention (PCI) for chr ...
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Journal articleAm J Respir Crit Care Med · July 1, 2012
RATIONALE: Animal and human studies support the importance of the coagulation cascade in pulmonary fibrosis. OBJECTIVES: In a cohort of subjects with progressive idiopathic pulmonary fibrosis (IPF), we tested the hypothesis that treatment with warfarin at ...
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Journal articleN Engl J Med · May 24, 2012
BACKGROUND: A combination of prednisone, azathioprine, and N-acetylcysteine (NAC) has been widely used as a treatment for idiopathic pulmonary fibrosis. The safety and efficacy of this three-drug regimen is unknown. METHODS: In this randomized, double-blin ...
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Journal articleAm J Respir Crit Care Med · May 15, 2012
Definitive evidence of clinical efficacy in a Phase 3 trial is best shown by a beneficial impact on a clinically meaningful endpoint-that is, an endpoint that directly measures how a patient feels (symptoms), functions (the ability to perform activities in ...
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Journal articleAm Heart J · April 2012
BACKGROUND: Nonadherence to cardiovascular medications is a significant public health problem. This randomized study evaluated the effect on medication adherence of linking hospital and community pharmacists. METHODS: Hospitalized patients with coronary ar ...
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Journal articleJ Am Coll Cardiol · February 14, 2012
OBJECTIVES: This study sought to assess percutaneous coronary intervention (PCI) for unprotected left main coronary artery (ULMCA) stenosis in routine U.S. clinical practice. BACKGROUND: Percutaneous coronary intervention for ULMCA stenosis is controversia ...
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Journal articleJ Am Coll Cardiol · January 10, 2012
OBJECTIVES: This study assessed the comparative effectiveness of drug-eluting stents (DES) versus bare-metal stents (BMS) among patients ≥85 years of age. BACKGROUND: Despite an aging population, little is known about the comparative effectiveness of DES v ...
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Journal articleAm Heart J · January 2012
BACKGROUND: Therapies may reduce short-term rates of nonfatal myocardial infarction (MI) without a detectable effect on mortality. We sought to estimate the long-term clinical implications of nonfatal MI occurring within the first 3 and 6 months after init ...
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Journal articleCirc Cardiovasc Qual Outcomes · January 2012
BACKGROUND: The National Cardiovascular Data Registry CathPCI Registry was recently linked with longitudinal Centers for Medicare & Medicaid (CMS) claims data. The degree to which this linked cohort is representative of the overall CathPCI Registry and CMS ...
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Journal articleStud Health Technol Inform · 2012
Governments are investing in health information technologies (HIT) to improve care quality and reduce medical costs. However, evidence of these benefits is limited. We conducted a randomized trial of three clinical decision support (CDS) interventions in 2 ...
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Journal articleAm Heart J · November 2011
BACKGROUND: Platelet inhibition is critical in reducing both short- and long-term atherothrombotic risks after acute myocardial infarction (MI), especially among patients managed with percutaneous coronary intervention (PCI). Currently available antiplatel ...
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Journal articleJ Am Coll Cardiol · October 25, 2011
OBJECTIVES: The purpose of this study was to determine the safety and efficacy of drug-eluting stents (DES) compared with bare-metal stents (BMS) in older patients with chronic kidney disease (CKD). BACKGROUND: DES may be associated with late death and myo ...
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Journal articleJ Emerg Med · September 2011
BACKGROUND: Acute ischemic stroke remains largely a clinical diagnosis. OBJECTIVE: To assess the potential of several biomarkers to distinguish acute ischemic stroke from mimics in the emergency department (ED). METHODS: In this prospective study, 63 patie ...
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Journal articleN Engl J Med · March 3, 2011
BACKGROUND: Loop diuretics are an essential component of therapy for patients with acute decompensated heart failure, but there are few prospective data to guide their use. METHODS: In a prospective, double-blind, randomized trial, we assigned 308 patients ...
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Journal articleHeart Rhythm · March 2011
BACKGROUND: The implantable cardioverter-defibrillator (ICD) is an effective therapy for preventing sudden cardiac death (SCD) in patients with prior myocardial infarction (MI) and reduced left ventricular function; however, the optimal timing of ICD impla ...
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Journal articleJ Am Acad Dermatol · February 2011
BACKGROUND: Although central scalp hair loss is a common problem in African American women, data on etiology or incidence are limited. OBJECTIVE: We sought to determine the frequency of various patterns and degree of central scalp hair loss in African Amer ...
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Journal articleStud Health Technol Inform · 2011
BACKGROUND: Replication studies evaluate technologies in usual use settings. METHODS: We conducted a clinical trial to determine whether reductions in clinical and economic results observed in a previous study could be replicated in a larger setting. Subje ...
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Journal articleAMIA Annu Symp Proc · November 13, 2010
Evidence-based pharmacotherapy is a central aspect of optimal patient care for many chronic conditions. However, medication non-adherence frequently inhibits the attainment of optimal pharmacotherapy regimens. In this study, we designed, developed, and imp ...
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Journal articleN Engl J Med · August 12, 2010
BACKGROUND: Sildenafil, a phosphodiesterase-5 inhibitor, may preferentially improve blood flow to well-ventilated regions of the lung in patients with advanced idiopathic pulmonary fibrosis, which could result in improvements in gas exchange. We tested the ...
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Journal articleJ Cardiovasc Electrophysiol · July 2010
BACKGROUND: The optimal timing of implantable cardioverter defibrillator (ICD) placement for the primary prevention of sudden cardiac death after myocardial infarction (MI) remains unknown. METHODS AND RESULTS: We developed a Markov model to investigate th ...
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Journal articleBiometrics · June 2010
For many diseases where there are several treatment options often there is no consensus on the best treatment to give individual patients. In such cases, it may be necessary to define a strategy for treatment assignment; that is, an algorithm that dictates ...
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Journal articleJ Med Syst · June 2010
Thrombocytopenia is associated with increased patient risk. However, the costs of this complication are not well defined. This study assessed the impact of thrombocytopenia on in-hospital costs using results from CATCH, an observational study that examined ...
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Journal articleChest · May 2010
BACKGROUND: Learning medical procedures relies predominantly on the apprenticeship model, and competency is established based on the number of performed procedures. Our study aimed to establish bronchoscopy competency metrics based on performance and enhan ...
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Journal articleAm Heart J · April 2010
BACKGROUND: Public access automatic external defibrillators (AEDs) can save lives, but most deaths from out-of-hospital sudden cardiac arrest occur at home. The Home Automatic External Defibrillator Trial (HAT) found no survival advantage for adding a home ...
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Journal articleAm Heart J · March 2010
BACKGROUND: Relationships between long-term use and level of dual antiplatelet therapy and outcomes after drug-eluting stent implantation are not well established. METHODS: This is a retrospective cohort study of 9,256 patients receiving drug-eluting stent ...
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Journal articleJ Card Fail · December 2009
BACKGROUND: Anemia is associated with higher morbidity and mortality in patients with heart failure (HF), but its implications for heath care costs are not well described. METHODS AND RESULTS: We analyzed data on 1056 patients with symptomatic HF seen at D ...
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Journal articleJACC Cardiovasc Interv · December 2009
OBJECTIVES: The aim of this study was to assess, after 2 years of follow-up, the safety, efficacy, and cost-effectiveness of a zotarolimus-eluting stent (ZES) compared with a paclitaxel-eluting stent (PES) in patients with native coronary lesions. BACKGROU ...
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Journal articleJACC Cardiovasc Interv · December 2009
OBJECTIVES: This study was designed to evaluate long-term clinical and economic outcomes for subjects receiving Endeavor drug-eluting versus Driver bare-metal stents (both Medtronic CardioVascular, Santa Rosa, California). BACKGROUND: Early studies found t ...
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Journal articleJACC Cardiovasc Interv · December 2009
OBJECTIVES: The aim of this study was to evaluate clinical and economic outcomes for subjects receiving zotarolimus-eluting (ZES) (n = 323) versus sirolimus-eluting stents (SES) (n = 113) in the ENDEAVOR III (Randomized Controlled Trial of the Medtronic En ...
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Journal articleAm J Cardiol · November 1, 2009
Thrombocytopenia is a predictor of adverse outcomes in patients with acute coronary syndromes and in critically ill patients. The Complications After Thrombocytopenia Caused by Heparin (CATCH) registry was designed to explore the incidence, management, and ...
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Journal articleClin Ther · August 2009
OBJECTIVE: The aim of this study was to identify factors associated with the initiation of biologic agents for the treatment of rheumatoid arthritis (RA) in a large US observational cohort. METHODS: Semiannual patient-reported data in the ARAMIS (Arthritis ...
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Journal articleJ Med Syst · August 2009
Chronic kidney disease (CKD) is associated with increased morbidity and mortality in coronary artery disease (CAD) patients. We compared the economic attractiveness of CAD revascularization procedures in patients with and without CKD. Our population includ ...
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Journal articleAm J Cardiol · July 15, 2009
In a population of patients experiencing thrombocytopenia while treated with heparin, bleeding and thromboses are well-appreciated complications, but their relative contributions to mortality have been less well described. In this population, the aims of t ...
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Journal articleAnn Pharmacother · July 2009
BACKGROUND: Implantable cardioverter defibrillators (ICDs) are indicated for both primary and secondary prevention of sudden cardiac arrest. beta-Blockers are also indicated in most patients who have an indication for an ICD; however, their use in this pop ...
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Journal articleAm J Cardiol · June 1, 2009
Beta blockers and angiotensin-converting enzyme inhibitors/angiotensin receptor blockers (ACEIs/ARBs) are evidence-based medications for chronic heart failure, but little is known about the persistent use and clinical effectiveness of these medications. We ...
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Journal articleJ Am Coll Cardiol · May 5, 2009
OBJECTIVES: The aim of this study was to compare outcomes in older individuals receiving drug-eluting stents (DES) and bare-metal stents (BMS). BACKGROUND: Comparative effectiveness of DES relative to BMS remains unclear. METHODS: Outcomes were evaluated i ...
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Journal articleAm Heart J · May 2009
BACKGROUND: Surgical ventricular reconstruction (SVR) is used in conjunction with coronary artery bypass graft surgery (CABG) to improve left ventricular function and clinical outcomes in selected patients with ischemic heart failure. The impact of SVR on ...
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Journal articleJ Clin Oncol · May 1, 2009
PURPOSE: Using data from a recent randomized trial, we evaluated the cost effectiveness of ixabepilone plus capecitabine versus capecitabine alone in patients with predominantly metastatic breast cancer considered to be taxane-resistant and previously trea ...
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Journal articleAm Heart J · April 2009
BACKGROUND: Thrombocytopenia and heparin-induced thrombocytopenia (HIT) are potentially devastating paradoxical side effects of heparin therapy. We explored the evaluation, management, and clinical consequences of thrombocytopenia occurring during heparin ...
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Journal articleN Engl J Med · February 19, 2009
BACKGROUND: The open-artery hypothesis postulates that late opening of an infarct-related artery after myocardial infarction will improve clinical outcomes. We evaluated the quality-of-life and economic outcomes associated with the use of this strategy. ME ...
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Journal articleAm J Med · February 2009
BACKGROUND: Residence in a lower-income area has been associated with higher mortality among patients receiving dialysis. We sought to determine whether these differences persist and whether the effect of income-area on mortality is different for African A ...
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Journal articleStud Health Technol Inform · 2009
Lower income individuals in the US frequently experience difficulties in obtaining access to needed health care services. We describe a randomized clinical trial that seeks to improve the quality of, and access to healthcare services for medically underser ...
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Journal articleArch Intern Med · December 8, 2008
BACKGROUND: Whether beta-blockers (BBs) other than carvedilol, metoprolol succinate, and bisoprolol fumarate (evidence-based beta-blockers [EBBBs]) improve survival in patients with heart failure (HF) is unknown. We compared the effectiveness of EBBBs vs n ...
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Journal article · December 1, 2008
This chapter describes a framework for conducting economic analyses of health information technologies (HIT). It explains the basic principles of healthcare economic analyses and the relationships between the costs and effectiveness of a health interventio ...
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Journal articleHealth Policy · December 2008
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OBJECTIVES: We sought to determine whether dialysis patient mortality rates are associated with differences in dialysis facility size, and whether this relationship differs among higher risk diabetic and lower-risk non-diabetic patients. METHODS: Using 186 ...
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Journal articleAMIA Annu Symp Proc · November 6, 2008
Data collection from patients for use in clinical decision making is foundational for medical practice. Increasingly, kiosks are being used to facilitate direct data collection from patients. However, kiosk-collected data are generally not integrated into ...
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Journal articleAm Heart J · October 2008
BACKGROUND: In 10,001 patients with stable coronary artery disease (CAD) enrolled in the Treating to New Targets (TNT) trial, 80 mg/d of atorvastatin (high-dose regimen) reduced the composite primary end point of death from CAD, nonfatal myocardial infarct ...
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Journal articleN Engl J Med · September 4, 2008
BACKGROUND: Implantable cardioverter-defibrillator (ICD) therapy significantly prolongs life in patients at increased risk for sudden death from depressed left ventricular function. However, whether this increased longevity is accompanied by deterioration ...
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Journal articleArch Intern Med · August 11, 2008
BACKGROUND: Clinical trials of drug-eluting stents (DES) vs bare metal stents (BMS) report a reduced need for target lesion revascularization with no difference in death or myocardial infarction. However, these trials selectively enrolled patients with low ...
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Journal articleAnn Emerg Med · June 2008
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STUDY OBJECTIVE: Emergency department (ED) -based clinical research has the potential to include patient populations that are typically underrepresented in clinical research. The objective of this study is to assess how emergency clinical care and research ...
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Journal articleJ Card Fail · June 2008
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BACKGROUND: Although previous studies of mechanical circulatory support devices (MCSDs) have used all-cause mortality as a primary end point, trends in device technology and implementation will increasingly necessitate the use of composite end points for M ...
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Journal articleJournal of Economic Behavior and Organization · June 1, 2008
Randomized trials can be compromised by selection bias, particularly when enrollment is sequential and previous assignments are unmasked. In such contexts, an appropriate randomization procedure minimizes selection bias while satisfying the need for treatm ...
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Journal articleAnn Allergy Asthma Immunol · May 2008
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BACKGROUND: Open food challenges are a practical alternative to double-blind, placebo-controlled food challenges in confirming clinical sensitivity or tolerance to a food, and the risks associated with open challenges are unknown. OBJECTIVE: To examine the ...
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Journal articleJ Med Syst · April 2008
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Drug-eluting stents (DES) reduce subsequent revascularization procedures. Although randomized trials have compared DES to brachytherapy and balloon angioplasty (PTCA) for in-stent restenosis, few long-term comparisons have been made to bare metal stents (B ...
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Journal articleArch Intern Med · February 25, 2008
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BACKGROUND: Recent analyses have presented conflicting evidence regarding the incidence and prevalence of heart failure in the United States. We sought to estimate the annual incidence and prevalence of heart failure and associated survival in elderly pers ...
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Journal articleArch Intern Med · January 14, 2008
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BACKGROUND: Despite widespread heparin use in clinical practice, the associated development of thrombocytopenia is an underrecognized and undertreated complication. METHODS: We analyzed data from consecutive hospitalized patients treated with heparin (unfr ...
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Journal articleCurr Med Res Opin · January 2008
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OBJECTIVE: To explore relationships between beta-cell function and incident cardiovascular events, death, and medical costs among elderly individuals. RESEARCH DESIGN AND METHODS: In a prospective, population-based cohort of 4555 elderly individuals, we ex ...
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Journal articlePharmacoeconomics · 2008
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BACKGROUND: For trials in which participants are followed beyond the main study period to assess long-term outcomes, economic evaluations conducted using short-term data should be systematically updated to reflect new information. METHODS: We used 60-month ...
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Journal articleDermatol Ther · 2008
Central centrifugal cicatricial alopecia (CCCA) is a common but poorly understood cause of hair loss in African American women. A photographic scale was developed that captures the pattern and severity of the central hair loss seen with CCCA in order to he ...
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Journal articleHealth Aff (Millwood) · 2008
Although efforts to revamp the drug-safety system have been directed at strengthening postmarketing surveillance, strategies for the preapproval stage may be useful. One strategy would be to require larger sample sizes in preapproval safety databases. To e ...
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Journal articlePediatrics · December 2007
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OBJECTIVE: The goal was to determine whether patients seen in a referral clinic are experiencing initial allergic reactions to peanuts earlier, compared with a similar population profiled at a different medical center 10 years ago, and to investigate other ...
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Journal articleStudies in Health Technology and Informatics · December 1, 2007
Clinical decision support is recognized as one potential remedy for the growing crisis in healthcare quality in the United States and other industrialized nations. While decision support systems have been shown to improve care quality and reduce errors, th ...
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Journal articleJAMA · November 28, 2007
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CONTEXT: Despite 2 decades of evidence demonstrating benefits from prompt coronary reperfusion, registries continue to show that many patients with ST-segment elevation myocardial infarction (STEMI) are treated too slowly or not at all. OBJECTIVE: To estab ...
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Journal articleAm Heart J · November 2007
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BACKGROUND: The first clinical practice guidelines for management of atrial fibrillation (AF) were published in 2001. We explored the use of anticoagulants, rate-controlling drugs, and antiarrhythmic drugs in patients with AF during the 4 years surrounding ...
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Journal articleAMIA Annu Symp Proc · October 11, 2007
Non-adherence to evidence-based pharmacotherapy is associated with increased morbidity and mortality. Claims data can be used to detect and intervene on such non-adherence, but existing claims-based approaches for measuring adherence to pharmacotherapy gui ...
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Journal articleAMIA Annu Symp Proc · October 11, 2007
Health information technology evaluators need to distinguish between intervention efficacy as assessed in the ideal circumstances of clinical trials and intervention effectiveness as assessed in the real world circumstances of actual practice. Because curr ...
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Journal articleAMIA Annu Symp Proc · October 11, 2007
The clinic-based healthcare model does not deliver high quality, cost-effective care to populations of patients. Despite public perception that aggressive investment in information technology will lead to improvements in the safety and quality of healthcar ...
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Journal articleAMIA Annu Symp Proc · October 11, 2007
Tablet personal computers (PCs) are becoming common in the clinical environment. In a recent survey comparing mobile devices, the Tablet PC was perceived to have made the most significant difference in the delivery of healthcare. As the use of Tablet PC te ...
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Journal articleAMIA Annu Symp Proc · October 11, 2007
Health information technology evaluators need to distinguish between intervention efficacy as assessed in the ideal circumstances of clinical trials and intervention effectiveness as assessed in the real world circumstances of actual practice. We have deve ...
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Journal articleDiabetes Care · October 2007
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OBJECTIVE: The cardiovascular consequences of the metabolic syndrome and its component risk factors have been documented in elderly individuals. Little is known about how the metabolic syndrome and its individual components translate into long-term medical ...
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Journal articleMed Care · October 2007
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Inverse probability-weighted estimation is a powerful tool for use with observational data. In this article, we describe how this propensity score-based method can be used to compare the effectiveness of 2 or more treatments. First, we discuss the inherent ...
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Journal articleSupport Care Cancer · July 2007
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GOALS OF WORK: Patients with prostate cancer metastasized to bone frequently experience skeletal morbidities as a result of their disease. We sought to quantify the longitudinal effects on patient-reported outcomes of skeletal-related events (SREs) and to ...
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Journal articleChest · March 2007
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Pulmonary hypertension is a common finding in patients with idiopathic pulmonary fibrosis (IPF), and is associated with increased morbidity and mortality. Therapy with sildenafil has been shown to decrease pulmonary vascular resistance in patients with pul ...
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Journal articleJ Clin Microbiol · March 2007
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To assess their utility for antifungal susceptibility testing in our clinical laboratory, the Etest and Sensititre methods were compared with the Clinical and Laboratory Standards Institute (CLSI) M27-A2 reference broth microdilution method. Fluconazole (F ...
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Journal articleAm J Cardiol · February 1, 2007
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Although the volume/outcome relation for percutaneous transluminal coronary angioplasty (PTCA) is well established, it is unclear how the relation has changed over time. To examine trends in hospital and operator volume and outcomes for PTCA, we conducted ...
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Journal articleAm Heart J · February 2007
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BACKGROUND: Although heart failure (HF) afflicts nearly 5 million Americans, the long-term cost of HF care has not been described previously. In a prospective, longitudinal cohort of community-dwelling elderly from 4 regions, we examined the long-term cost ...
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Journal articleJAMA · January 10, 2007
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CONTEXT: Recent studies of drug-eluting intracoronary stents suggest that current antiplatelet regimens may not be sufficient to prevent late stent thrombosis. OBJECTIVE: To assess the association between clopidogrel use and long-term clinical outcomes of ...
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Journal articleN C Med J · 2007
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BACKGROUND: Concerns about health and health care disparities have led some groups to promote better communication of medical information as a potential means of empowering patients to overcome barriers to health care and to practice healthy behaviors. We ...
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Journal articleJ Gen Intern Med · January 2007
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BACKGROUND: Medication guides (MG) and mandatory patient package inserts (MPPI) are required with some prescription medications. OBJECTIVE: We sought to determine how many patients receive, read, and understand these mandated materials. DESIGN AND PARTICIP ...
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Journal articleStud Health Technol Inform · 2007
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Clinical decision support is recognized as one potential remedy for the growing crisis in healthcare quality in the United States and other industrialized nations. While decision support systems have been shown to improve care quality and reduce errors, th ...
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Journal articleAm Heart J · September 2006
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BACKGROUND: Quality measures of evidence-based medications post-myocardial infarction have focused on prescription at hospital discharge. Yet survival benefits of these medications are best realized with sustained therapy. We sought to examine long-term be ...
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Journal articleCirculation · July 11, 2006
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BACKGROUND: In the Sudden Cardiac Death in Heart Failure Trial (SCD-HeFT), implantable cardioverter-defibrillator (ICD) therapy significantly reduced all-cause mortality rates compared with medical therapy alone in patients with stable, moderately symptoma ...
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Journal articleAnn Oncol · June 2006
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BACKGROUND: Zoledronic acid reduces skeletal-related events associated with prostate cancer and has long-term efficacy in pain outcomes. Findings of treatment group differences in pain early in treatment are less reliable. We used a recently recommended an ...
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Journal articleJ Perinatol · May 2006
OBJECTIVES: Very low birth weight (VLBW) infants are vulnerable to nosocomial infections and subsequent morbidity; including infections caused by Staphylococcus aureus: 85% of nosocomial S. aureus infections are caused by capsular polysaccharide (CPS) type ...
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Journal articleArch Intern Med · January 9, 2006
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BACKGROUND: Among the elderly population, heart failure (HF) with normal ejection fraction (EF) is more common than classic HF with low EF. However, there are few data regarding the costs of HF with normal EF. In a prospective, population-based cohort of e ...
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Journal articleAMIA Annu Symp Proc · 2006
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Medical information systems are being recognized for their ability to improve patient outcomes. While standards for the economic evaluation of medical technologies were instituted in the mid-1990s, little is known about their application in medical informa ...
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Journal articleAMIA Annu Symp Proc · 2006
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Increasing emphasis is being placed on the importance of information technology to improve the safety and quality of healthcare. However, concern is growing that these potential benefits will not be equally distributed across the population because of a wi ...
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Journal articleAMIA Annu Symp Proc · 2006
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Standards for the economic evaluation of medical technologies were instituted in the mid-1990s, yet little is known about their application in medical information technology studies. In a review of evaluation studies published between 1982 and 2002, we fou ...
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Journal articleAMIA Annu Symp Proc · 2006
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Patient Internet portals that allow patients to access their personal health information are an emerging form of enabling technology. The purported benefits from increasing use of information technology in healthcare, however, may not be universal because ...
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Journal articleAm Heart J · November 2005
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BACKGROUND: Early surgery has been shown to be beneficial for patients with infective endocarditis (IE), yet surgery is not used in most patients. Evidence of the uncertainty around the use of surgery can be found in the wide variations in the use of cardi ...
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Journal articleAm Heart J · November 2005
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BACKGROUND: Although surgical intervention is often used in the treatment of prosthetic valve infective endocarditis (PVIE), an understanding of its effect on survival has been limited by the biases of observational studies and lack of controlled trials. M ...
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Journal articleJAMA · June 22, 2005
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CONTEXT: The global significance of infective endocarditis (IE) caused by Staphylococcus aureus is unknown. OBJECTIVES: To document the international emergence of health care-associated S aureus IE and methicillin-resistant S aureus (MRSA) IE and to evalua ...
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Journal articleAnn Intern Med · April 19, 2005
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BACKGROUND: The Multicenter Automatic Defibrillator Implantation Trial (MADIT)-II demonstrated that implantable cardioverter defibrillators (ICDs) save lives when used in patients with a history of myocardial infarction (MI) and an ejection fraction of 0.3 ...
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Journal articleAm Heart J · March 2005
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Demand for economic evaluations in multinational clinical trials is increasing, but there is little consensus about how such studies should be conducted and reported. At a workshop in Durham, North Carolina, we sought to identify areas of agreement about h ...
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Journal articleJ Thromb Thrombolysis · February 2005
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BACKGROUND: Heparin-induced thrombocytopenia (HIT) is estimated to occur in 1-5% of all patients receiving heparin, and 25-50% of such cases develop heparin-induced thrombocytopenia with thrombosis (HITT) A conservative estimate based only on cardiovascula ...
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Journal articleInfect Control Hosp Epidemiol · February 2005
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OBJECTIVE: Comorbid conditions have complicated previous analyses of the consequences of methicillin resistance for costs and outcomes of Staphylococcus aureus bacteremia. We compared costs and outcomes of methicillin resistance in patients with S. aureus ...
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Journal articleN C Med J · 2005
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BACKGROUND: We sought to compare findings of a national survey of perceptions of racial/ethnic discrimination in healthcare to those of a community survey, with emphasis on the perceptions of Latinos. METHODS: Responses from a national survey were compared ...
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Journal articleAMIA Annu Symp Proc · 2005
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Health information professionals recognize the need to demonstrate that the benefits of health information technological (HIT) interventions outweigh their costs. However, such cost-benefit analyses are rarely conducted for HIT interventions, due in part t ...
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Journal articleAMIA Annu Symp Proc · 2005
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This study describes a framework for conducting economic analyses for health information technology (HIT) interventions, in the context of three interventions that are currently being implemented in a community-based health network caring for 17,779 Medica ...
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Journal articleCancer · December 1, 2004
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BACKGROUND: Despite a lack of long-term data, imatinib has become standard therapy for patients with newly diagnosed chronic-phase chronic myeloid leukemia (CML) who are not candidates for allogeneic stem cell transplantation. In the current study, the aut ...
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Journal articleCancer · December 1, 2004
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BACKGROUND: The authors estimated survival among patients with chronic myeloid leukemia for a cost-effectiveness analysis of imatinib versus interferon-alpha plus low-dose cytarabine (IFN+LDAC). METHODS: Two-year survival and cytogenetic response were dete ...
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Journal articleClin Infect Dis · November 15, 2004
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Using a large cohort of patients from the International Collaboration on Endocarditis Merged Database, we compared coagulase-negative staphylococcal (CoNS) native-valve endocarditis (NVE) to NVE caused by more common pathogens. Rates of heart failure and m ...
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Journal articleJ Clin Oncol · July 15, 2004
4680 Background: Zoledronic acid (ZA) has been shown to significantly decrease skeletal-related events (SREs) in patients with prostate cancer by 11% relative to placebo. Trends were seen in pain improvement with ZA vs placebo, but there were no reliable t ...
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Journal articleBrain Res · July 2, 2004
Deep brain stimulation (DBS) is a widely used clinical treatment for Parkinson's disease (PD). A rodent model of DBS is a necessary tool for understanding the neural mechanisms of this method. Our previous study showed that high-frequency stimulation (HFS) ...
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Journal articleAm J Cardiol · May 15, 2004
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In 107 patients with coronary disease and severe left ventricular dysfunction, we examined the prognostic power of viability identified by dobutamine stress echocardiography. At a mean follow-up of 27 months, patients with viable myocardium who underwent r ...
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Journal articleMed Care · May 2004
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BACKGROUND: Despite continuing debate over a prescription drug benefit for the Medicare program, there has been relatively little research estimating the potential cost of providing such a benefit. OBJECTIVE: The objective of this study was to estimate the ...
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Journal articleAnn Thorac Surg · March 2004
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BACKGROUND: While early extubation after coronary artery bypass grafting (CABG) has been associated with resource savings, its effect on patient outcomes remains unclear. The goal of the present investigation was to evaluate whether early extubation can be ...
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Journal articleAm Heart J · January 2004
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BACKGROUND: Echocardiography is used commonly in clinical practice when caring for patients with heart failure. It is unknown whether the presence of certain findings provides an incremental ability to predict survival beyond the use of baseline clinical f ...
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Journal articleCirculation · September 9, 2003
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BACKGROUND: The most appropriate treatment for patients with ischemic mitral regurgitation (IMR) is often debated. We compared the survival rates of patients with IMR undergoing different treatment strategies, namely: medical therapy, percutaneous coronary ...
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Journal articleCirculation · April 15, 2003
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BACKGROUND: In 1995, the Bypass Angioplasty Revascularization Investigation (BARI) found that patients with diabetes had a survival benefit when treated with surgical revascularization versus balloon angioplasty, prompting a National Heart Lung and Blood I ...
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Journal articleObes Res · February 2002
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OBJECTIVE: Obesity is an important risk factor for coronary artery disease (CAD); however, its effect on acute coronary syndrome (ACS) patients' long-term clinical and economic outcomes has not been quantified. We assessed the impact of increasing body mas ...
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Journal articleBiometrics · December 2001
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Observational studies frequently are conducted to compare long-term effects of treatments. Without randomization, patients receiving one treatment are not guaranteed to be prognostically comparable to those receiving another treatment. Furthermore, the res ...
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Journal articleAm J Cardiol · August 15, 2001
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Limited information exists regarding the outcomes of newer percutaneous coronary intervention (PCI) technologies in women. This study sought to determine whether female gender is an independent risk factor for PCI mortality and/or complications in contempo ...
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Journal articleAppl Microbiol Biotechnol · August 2001
The effects of several additives on the production of a lantibiotic, nukacin ISK-1, from Staphylococcus warneri ISK-1, in batch fermentation were studied. NaCl, KCl and sorbitol stimulated nukacin ISK-1 production. The addition of 1.4 M NaCl increased nuka ...
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Journal articleMed Care · August 2001
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BACKGROUND: The acute phase of coronary artery disease (CAD) is dramatic and receives much attention because of its high mortality and associated treatment cost. However, the acute phase typically resolves within 30 days whereas CAD is a chronic disease, w ...
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Journal articleJAMA · June 20, 2001
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CONTEXT: Efforts to improve quality of care in the cardiac surgery field have focused on reducing the risk-adjusted mortality associated with common surgical procedures, such as coronary artery bypass grafting (CABG). However, the best methodological appro ...
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Journal articleAm J Cardiol · April 15, 2001
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The identification of an association between fenfluramines and valvular disease has raised the possibility of a similar association between another class of medications that increases local levels of serotonin, the selective serotonin-reuptake inhibitors ( ...
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Journal articleAnn Intern Med · February 20, 2001
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BACKGROUND: An association between the dietary suppressants fenfluramine and dexfenfluramine and valvular heart disease was first described in patients from North Dakota and Minnesota in 1997. Limited data are available on the natural history of this valvu ...
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Journal articleJ Am Coll Cardiol · September 2000
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OBJECTIVES: We sought to define the risks facing octogenarians undergoing contemporary percutaneous coronary interventions (PCIs). BACKGROUND: The procedural risks of PCI for octogenarians have not been well established. METHODS: We compared the clinical c ...
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Journal articleJ Am Coll Cardiol · March 1, 2000
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OBJECTIVES: The purpose of this study was to evaluate characteristics and outcomes of patients age > or =80 undergoing cardiac surgery. BACKGROUND: Prior single-institution series have found high mortality rates in octogenarians after cardiac surgery. Howe ...
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Journal articleAm Heart J · February 2000
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BACKGROUND: Although multiple new coronary interventional devices have been approved for marketing in the United States, use of these technologies in general clinical practice and their associated outcomes have not been reported. METHODS AND RESULTS: Using ...
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Journal articleAmerican Heart Journal · January 1, 2000
Background: Although multiple new coronary interventional devices have been approved for marketing in the United States, use of these technologies in general clinical practice and their associated outcomes have not been reported. Methods and Results: Using ...
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Journal articleAnn N Y Acad Sci · June 29, 1999
A goal of neurophysiology of the mesolimbic system is to determine the activity patterns within the regions in the prefrontal cortex, ventral neostriatum, and amygdala that regulate behavioral patterns to seek rewards. A new technology has been introduced ...
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