Journal ArticleCatheter Cardiovasc Interv · April 1, 2020
In this review, we report a contemporary appraisal of the available evidence focusing on adjunctive antithrombotic therapy and technical aspects of percutaneous coronary interventions (PCI) in patients with acute myocardial infarction and cardiogenic shock ...
Full textLink to itemCite
Journal ArticleAnesthesiology · June 2019
BACKGROUND: Cognitive decline after cardiac surgery occurs frequently and persists in a significant proportion of patients. Preclinical studies and human trials suggest that intravenous lidocaine may confer protection in the setting of neurologic injury. I ...
Full textOpen AccessLink to itemCite
Journal ArticleCirc Cardiovasc Interv · May 2019
BACKGROUND: Determining the infarct-related artery (IRA) in non-ST-segment-elevation myocardial infarction (MI) can be challenging. Delayed-enhancement cardiac magnetic resonance (DE-CMR) can accurately identify small MIs. The purpose of this study was to ...
Full textLink to itemCite
Journal ArticleAm Heart J · December 2017
BACKGROUND: Recent randomized evidence has demonstrated benefit with complete revascularization during the index hospitalization for multivessel coronary artery disease ST-segment elevation myocardial infarction (STEMI) patients; however, this benefit like ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Qual Outcomes · August 2017
BACKGROUND: Morbidity and mortality conference is a common educational and quality improvement activity performed in cardiac catheterization laboratories, but best practices for case selection and for maximizing the effectiveness of peer review have not be ...
Full textLink to itemCite
Journal ArticleCochrane Database Syst Rev · May 3, 2017
BACKGROUND: Multi-vessel coronary disease in people with ST elevation myocardial infarction (STEMI) is common and is associated with worse prognosis after STEMI. Based on limited evidence, international guidelines recommend intervention on only the culprit ...
Full textLink to itemCite
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 ...
Full textLink to itemCite
Journal ArticleCochrane Database of Systematic Reviews · December 17, 2015
This is the protocol for a review and there is no abstract. The objectives are as follows: To assess the effects of early invasive compared to conservative (medical management) strategy for treating non-infarct related artery lesions in ST elevation myocar ...
Full textCite
Journal ArticleJ Cardiovasc Transl Res · November 2015
The CATHeterization GENetics (CATHGEN) biorepository was assembled in four phases. First, project start-up began in 2000. Second, between 2001 and 2010, we collected clinical data and biological samples from 9334 individuals undergoing cardiac catheterizat ...
Full textLink to itemCite
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 ...
Full textLink to itemCite
Journal ArticleStroke · December 2013
BACKGROUND AND PURPOSE: Neurocognitive decline occurs frequently after cardiac surgery and persists in a significant number of patients. Magnesium is thought to provide neuroprotection by preservation of cellular energy metabolism, blockade of the N-methyl ...
Full textLink to itemCite
ConferenceJACC Cardiovasc Interv · April 2013
OBJECTIVES: This study sought to report the final 5-year outcomes of the ENDEAVOR IV (A Randomized, Controlled Trial of the Medtronic Endeavor Drug [ABT-578] Eluting Coronary Stent System Versus the Taxus Paclitaxel-Eluting Coronary Stent System in De Novo ...
Full textLink to itemCite
Journal ArticleJ Am Heart Assoc · March 19, 2013
BACKGROUND: Depression has been related to mortality in coronary heart disease (CHD) patients, but few studies have evaluated the role of anxiety or the role of the co-occurrence of depression and anxiety. We examined whether anxiety is associated with inc ...
Full textOpen AccessLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · March 1, 2012
OBJECTIVES: This study sought to assess the benefits of a coronary chronic total occlusion CTO recanalization after adjusting for the case-mix and the propensity to undergo the CTO intervention in a population of patients with stable coronary artery diseas ...
Full textLink to itemCite
Journal ArticleAm Heart J · March 2012
OBJECTIVES: The aim of this study was to evaluate the 5-year clinical safety and efficacy outcomes of patients treated for in-stent restenosis of bare-metal stents (BMSs). BACKGROUND: The SISR trial is a prospective, randomized trial that compared the safe ...
Full textLink to itemCite
Journal ArticleBMC Genet · February 27, 2012
BACKGROUND: Coronary artery disease (CAD), and one of its intermediate risk factors, dyslipidemia, possess a demonstrable genetic component, although the genetic architecture is incompletely defined. We previously reported a linkage peak on chromosome 5q31 ...
Full textLink to itemCite
Journal ArticleCirc Cardiovasc Genet · December 2011
BACKGROUND: Metabolic profiling holds promise for early detection of coronary artery disease and assessing risk for ischemic events. Heparin is frequently administered (1) to treat acute coronary syndromes; and (2) during routine cardiac catheterization pr ...
Full textLink to itemCite
Journal ArticleCirculation · September 13, 2011
BACKGROUND: Some prior studies have suggested that the time to cardiac surgery after cardiac catheterization is inversely related to postoperative acute kidney injury (AKI). However, these studies, because of the small number of patients, were unable to ad ...
Full textLink to itemCite
Journal ArticleHum Genet · June 2011
Tenascin-C (TNC) is an extracellular matrix protein implicated in biological processes important for atherosclerotic plaque development and progression, including smooth muscle cell migration and proliferation. Previously, we observed differential expressi ...
Full textLink to itemCite
Journal ArticleAnn Thorac Surg · June 2011
BACKGROUND: Inclusion of a measure of left ventricular diastolic dysfunction (LVDD) may improve risk prediction after cardiac surgery. Current LVDD grading guidelines rely on echocardiographic variables that are not always available or aligned to allow gra ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · December 15, 2010
Whether prognosis differs in acute renal failure (ARF) after coronary artery bypass grafting (CABG) in patients with and without recovery of renal function is not known. We studied patients who had CABG at Duke University Medical Center (1995 to 2008). ARF ...
Full textLink to itemCite
Journal ArticlePsychosom Med · September 2010
OBJECTIVES: To evaluate whether phobic anxiety is associated with increased risk of cardiac mortality in individuals with established coronary heart disease (CHD) and to examine the role of reduced heart rate variability (HRV) in mediating this risk. Previ ...
Full textOpen AccessLink to itemCite
Journal ArticleAm J Geriatr Pharmacother · February 2010
BACKGROUND: Ranolazine is increasingly being prescribed for the treatment of chronic stable angina. This report describes an adverse effect that may be related to ranolazine. CASE SUMMARY: A 77-year-old white man with chronic renal insufficiency was evalua ...
Full textLink to itemCite
Journal ArticleAm Heart J · January 2010
BACKGROUND: Despite advances in treatment of cardiogenic shock (CS), the incidence of this serious complication of acute ST-elevation myocardial infarction (STEMI) has stayed relatively constant, and rates of mortality, although somewhat improved in recent ...
Full textLink to itemCite
Journal ArticlePLoS One · September 14, 2009
Systemic and local inflammation plays a prominent role in the pathogenesis of atherosclerotic coronary artery disease, but the relationship of whole blood gene expression changes with coronary disease remains unclear. We have investigated whether gene expr ...
Full textLink to itemCite
Journal ArticleJ Thorac Cardiovasc Surg · June 2009
OBJECTIVE: We examined the effect of body mass index on the association between revascularization strategy and survival in patients with coronary artery disease. METHODS: Using the Duke Database for Cardiovascular Disease, we selected 22,877 patients who u ...
Full textLink to itemCite
Journal ArticleAm J Clin Nutr · May 2009
BACKGROUND: n-3 (omega-3) Fatty acids are associated with a reduced risk of cardiovascular disease; however, the relation between dietary intake of n-3 fatty acids and ventricular arrhythmias has not been investigated among acute post-myocardial infarction ...
Full textLink to itemCite
Journal ArticlePLoS Genet · January 2009
Neuropeptide Y (NPY) is a strong candidate gene for coronary artery disease (CAD). We have previously identified genetic linkage to familial CAD in the genomic region of NPY. We performed follow-up genetic, biostatistical, and functional analysis of NPY in ...
Full textOpen AccessLink to itemCite
Journal ArticleAm Heart J · January 2009
OBJECTIVE: The aim of this study is to examine ethnic differences in depressive symptoms and antidepressant treatment in a cohort of patients undergoing diagnostic coronary angiography. BACKGROUND: Coronary heart disease (CHD) is the leading cause of morta ...
Full textLink to itemCite
Journal ArticleAm Heart J · October 2008
BACKGROUND: Limited data exist on the long-term outcomes among diabetic patients undergoing saphenous vein graft (SVG) interventions. Thus, the baseline clinical factors associated with long-term adverse events in these patients are less known. METHODS: Ac ...
Full textLink to itemCite
Journal ArticleJACC Cardiovasc Interv · August 2008
OBJECTIVES: The aim of this study was to evaluate long-term outcome of patients treated for in-stent restenosis of bare-metal stents (BMS). BACKGROUND: Treatment of restenosis of BMS is characterized by high recurrence rates. Vascular brachytherapy (VBT) i ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · November 15, 2007
Differences in the clinical and angiographic factors associated with short- and long-term outcomes in patients undergoing coronary artery bypass grafting (CABG) are less known. Accordingly, differences were examined in clinical and angiographic correlates ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · October 22, 2007
The clinical and angiographic factors that predict clinically driven target lesion revascularization (TLR) in patients treated with the zotarolimus-eluting stent (ZES) are not known. Accordingly, the differences between ZES-treated patients who required TL ...
Full textLink to itemCite
Journal ArticleAm Heart J · September 2007
BACKGROUND: Women and minorities traditionally have shown less use of diagnostic cardiac catheterization. We sought to determine whether mobile cardiac catheterization laboratories may increase the use of catheterization among women and minorities by bring ...
Full textLink to itemCite
Journal ArticleJ Electrocardiol · July 2007
BACKGROUND/PURPOSE: We tested the hypothesis that paramedic recognition of ST-elevation myocardial infarction (STEMI) and cardiologist activation of the cardiac catheterization laboratory without transmission of the electrocardiogram reduces door-to-balloo ...
Full textLink to itemCite
Journal ArticleHerz · February 2007
Captopril was the first oral angiotensin-converting enzyme (ACE) inhibitor available and, as such, has been extensively studied and in clinical use for many years. Several studies have defined captopril's efficacy in the treatment of congestive heart failu ...
Full textLink to itemCite
Journal ArticleAm Heart J · January 2007
BACKGROUND: Although psychologic stress has been implicated in the pathogenesis of ventricular arrhythmias, the relationship between self-reported stress and ventricular ectopy has not been evaluated under naturalistic conditions in acute post-myocardial i ...
Full textLink to itemCite
Journal ArticleAnn Thorac Surg · October 2006
BACKGROUND: Treatment of coronary artery disease (CAD) is evolving with better medications, improvements in percutaneous coronary intervention (PCI), and enhanced techniques for coronary artery bypass grafting (CABG). METHODS: In this study, 18,481 patient ...
Full textLink to itemCite
Journal ArticleAm Heart J · October 2006
BACKGROUND: Increasing number of patients undergo percutaneous intervention of saphenous vein grafts (SVGs). However, the clinical factors associated with long-term mortality after SVG interventions are currently less known. Accordingly, the goal of presen ...
Full textLink to itemCite
Journal ArticleRadiology · September 2006
PURPOSE: To retrospectively determine the safety of cardiac magnetic resonance (MR) imaging performed early (<14 days) after coronary stent implantation in patients with acute myocardial infarction (AMI). MATERIALS AND METHODS: This HIPPA-compliant study w ...
Full textLink to itemCite
Journal ArticleCirculation · July 4, 2006
BACKGROUND: The influence of an internal mammary artery (IMA) graft on long-term outcomes after percutaneous saphenous vein graft (SVG) intervention is currently unknown. METHODS AND RESULTS: To examine the impact of IMA on outcomes in patients undergoing ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · April 18, 2006
OBJECTIVES: We tested a pre-defined visual interpretation algorithm that combines cardiovascular magnetic resonance (CMR) data from perfusion and infarction imaging for the diagnosis of coronary artery disease (CAD). BACKGROUND: Cardiovascular magnetic res ...
Full textLink to itemCite
Journal ArticleJAMA · March 15, 2006
CONTEXT: Although vascular brachytherapy is the only approved therapy for restenosis following bare-metal stent implantation, drug-eluting stents are now being used. Data on the relative merits of each are limited. OBJECTIVE: To determine the safety and ef ...
Full textLink to itemCite
Journal ArticlePsychosom Med · 2006
OBJECTIVE: Findings of an association between phobic anxiety and elevated risks of sudden cardiac death suggest that phobic anxiety may be related to increased risk of ventricular arrhythmias. The purpose of this study was to examine whether phobic anxiety ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · November 1, 2005
OBJECTIVES: The purpose of this study was to determine the value of a new anatomic score for prognosis after diagnostic catheterization in patients with previous coronary artery bypass grafting (CABG). BACKGROUND: Previous CABG patients comprise a growing ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · August 2005
Drug-eluting stent usage has become commonplace for the percutaneous treatment of de novo coronary lesions, but the safety and efficacy profile for their evolving usage in restenotic lesions is largely unknown. We report three cases of angiographically con ...
Full textLink to itemCite
Journal ArticleLancet · July 16, 2005
BACKGROUND: Data from a pilot study suggested that noetic therapies-healing practices that are not mediated by tangible elements-can reduce preprocedural distress and might affect outcomes in patients undergoing percutaneous coronary intervention. We under ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · May 1, 2005
Despite guidelines to the contrary, limited numbers of elective percutaneous coronary intervention (PCI) procedures without on-site surgical backup are being performed, particularly in Europe and Canada. In the United States, many hospitals are considering ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · February 15, 2005
The optimal reperfusion strategy in elderly patients with ST-segment elevation myocardial infarction (STEMI) remains a topic of debate. This lack of consensus stems from the exclusion or under-representation of the elderly in clinical trials. This review e ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · February 1, 2005
OBJECTIVES: This study examined the incremental cost-effectiveness of extending clopidogrel therapy from one month to one year after percutaneous coronary intervention (PCI) in an unselected, heterogeneous patient population. BACKGROUND: Clinical trials su ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · January 1, 2005
The Driver Registry was a prospective, multicenter, nonrandomized study to evaluate the clinical safety and efficacy of the Driver cobalt-chromium alloy stent. Use of the cobalt-chromium alloy in place of stainless steel offers enhanced visibility and radi ...
Full textLink to itemCite
Journal ArticleAnn Behav Med · December 2004
BACKGROUND: Prospective studies have demonstrated that anxiety is associated with an increased risk of mortality and sudden cardiac death. There is therefore a need to understand what factors contribute to anxiety in patients with coronary heart disease (C ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · June 16, 2004
The focus for the initial approach to the treatment of acute ST-segment elevation myocardial infarction (STEMI) has shifted toward extending the benefits of mechanical reperfusion with primary percutaneous coronary intervention (PCI) to patients who presen ...
Full textLink to itemCite
Journal ArticleJ Interv Cardiol · April 2004
Since the introduction of platelet glycoprotein (GP) IIb/IIIa inhibitors, reports of vascular complications after percutaneous coronary intervention (PCI) have focused on bleeding and the need for surgical repair, whereas specific major vascular complicati ...
Full textLink to itemCite
Journal ArticleAm Heart J · March 2004
BACKGROUND: Drug-eluting intracoronary stents decrease restenosis and later revascularization. The US Department of Health and Human Services (HHS), recognizing the financial and clinical impact of this technology, recently proposed accelerated reimburseme ...
Full textLink to itemCite
OtherBr J Anaesth · November 2003
BACKGROUND: Aortic atheromatous disease is known to be associated with an increased risk of perioperative stroke in the setting of cardiac surgery. In this study, we sought to determine the relationship between cerebral microemboli and aortic atheroma burd ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · June 2003
Using a prospectively collected database of patients undergoing cardiac catheterization, we sought to compare the outcomes of procedures performed by supervised physician assistants (PAs) with those performed by supervised cardiology fellows-in-training. O ...
Full textLink to itemCite
Journal ArticleAm Heart J · May 2003
BACKGROUND: The Stent Comparative Restenosis (SCORES) Saphenous Vein Graft (SVG) Registry was a multicenter, prospective registry designed to evaluate the safety and efficacy of a self-expanding, nickel-titanium (nitinol) stent for de novo SVG lesions. MET ...
Full textLink to itemCite
Journal ArticlePlastic Surgical Nursing · January 1, 2003
Point-of-care determination of the activated clotting time (ACT) has become the standard of care in a number of clinical situations. The authors converted from ACT done by the Hemochron 801 analyzer, which uses tubes containing either celite, kaolin, or gl ...
Full textCite
Journal ArticleAm J Cardiovasc Drugs · 2003
Contrast-induced nephropathy occurs in 2-10% of patients exposed to intravascular radiographic contrast agents and results in significant morbidity and mortality. Although the exact mechanism of this disorder has not been fully elucidated, contrast nephrop ...
Full textLink to itemCite
Journal ArticleAm Heart Hosp J · 2003
Quality assurance and improvement have increasingly been the focus of health care providers, third-party payers, and patients. Because cardiovascular procedures are common, easily identifiable with claims data, and account for a relatively large proportion ...
Full textLink to itemCite
Journal ArticleJ Invasive Cardiol · December 2002
Atherosclerosis, with its thromboembolic complications (including sudden cardiac death, myocardial infarction, and other ischemic organ damage such as stroke and ischemic renovascular disease), represents by far the major cause of death, morbidity, and dis ...
Link to itemCite
Journal ArticleCirculation · September 17, 2002
BACKGROUND: The relative anti-aggregatory effects of currently prescribed platelet glycoprotein IIb/IIIa receptor antagonists during and after percutaneous coronary intervention for acute coronary syndromes have not been established. METHODS AND RESULTS: W ...
Full textLink to itemCite
OtherAnesth Analg · July 2002
UNLABELLED: Renal dysfunction is common after coronary artery bypass graft (CABG) surgery. We have previously shown that CABG procedures complicated by stroke have a threefold greater peak serum creatinine level relative to uncomplicated surgery. However, ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · January 2002
Percutaneous coronary intervention (PCI) in an anomalous right coronary artery arising from the left sinus of valsalva can be technically challenging because of difficulty in selectively cannulating the vessel. We present two cases of successful stent impl ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · November 1, 2001
OBJECTIVES: The objective of this study was to identify preprocedure patient factors associated with percutaneous intervention costs and to examine the impact of these patient factors on economic profiles of interventional cardiologists. BACKGROUND: There ...
Full textLink to itemCite
Journal ArticleAJR Am J Roentgenol · August 2001
OBJECTIVE: In September 1998, we began to treat iatrogenic femoral pseudoaneurysms with direct thrombin injection under sonographic guidance. Our purpose was to determine the success and complication rate of this technique. SUBJECTS AND METHODS: We treated ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · August 1, 2001
To compare the efficacy of self-expanding (SE) and balloon-expandable (BE) stents in native coronary arteries, we randomly assigned 1,096 patients with new and restenotic lesions to receive either device. Baseline demographics and coronary angiographic cha ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · June 1, 2001
OBJECTIVES: To predict which patients might not require stent implantation, we identified clinical and angiographic characteristics associated with repeat revascularization after standard balloon angioplasty. BACKGROUND: Stents reduce the risk of repeat re ...
Full textLink to itemCite
Journal ArticleAnesthesia and analgesia · April 2001
Apolipoprotein E (apoE) polymorphisms are heritable determinants of total and low-density lipoprotein cholesterol. The impact of apoE4 genotypes on the severity of atherosclerosis has been debated; however, recent studies have identified a correlation betw ...
Cite
Journal ArticleAm Heart J · March 2001
BACKGROUND: Patients with prior coronary bypass surgery with acute ST-segment elevation myocardial infarction (MI) pose an increasingly common clinical problem. We assessed the characteristics and outcomes of such patients undergoing thrombolysis for acute ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · February 15, 2001
Among 214 patients treated with abciximab within 24 hours of full-dose thrombolytic therapy, major bleeding occurred in 50 patients (23%; 95% confidence interval [CI] 18% to 30%) and intracranial hemorrhage occurred in 3 patients (1.4%; 95% CI 0.3% to 4%). ...
Full textLink to itemCite
Journal ArticleAm J Ther · 2001
Preexisting renal impairment is an all-encompassing risk factor for radiocontrast-associated nephrotoxicity. Renal impairment appears to be associated with the inadequate production of renal prostaglandins at the critical time of radiocontrast administrati ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · December 15, 2000
Despite the deleterious and sometimes catastrophic consequences of proximal left anterior descending (LAD) artery occlusion, there is a paucity of data to guide the treatment of patients with such disease. Our aim was to describe outcomes with medical ther ...
Full textLink to itemCite
Journal ArticleJ Am Osteopath Assoc · November 2000
Acute coronary syndromes are a major public health problem and the leading cause of death in the western world. Acute coronary syndromes consist of unstable angina pectoris, non-ST-segment-elevation myocardial infarction, and ST-segment-elevation myocardia ...
Link to itemCite
Journal ArticleJ Am Coll Cardiol · October 2000
Coronary stents reduce the rates of abrupt closure, emergency coronary artery bypass graft surgery and restenosis, but do not prevent myocardial infarction or death at six months. The financial burden of increased stent use and the difficulty in managing i ...
Full textLink to itemCite
Journal ArticleCurr Interv Cardiol Rep · August 2000
Radiographic contrast agents have undergone a tremendous evolution over the past several decades. The creation of contrast agents with greater iodine carrying capacity and lower osmolality has improved imaging quality and reduced complications, including n ...
Link to itemCite
Journal ArticleRadiology · May 2000
PURPOSE: To evaluate and compare the treatment of iatrogenic femoral arterial pseudoaneurysms by using ultrasonographically (US) guided direct thrombin injection with US-guided compression repair. MATERIALS AND METHODS: Twenty-six patients with iatrogenic ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · April 2000
Bailout stenting for major dissection and threatened closure has high rates of ischemic complications. We performed a randomized trial of local heparin delivery using the infusion sleeve before bailout stenting for suboptimal angioplasty results. In phase ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · February 15, 2000
Although coronary stenting has been shown to be effective, retrospective studies have suggested that stents do not provide better results than angioplasty in small coronary arteries. We sought to examine procedural, in-hospital, and long-term outcomes of p ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · February 15, 2000
Abciximab, an Fab monoclonal antibody fragment that blocks the platelet glycoprotein IIb/IIIa receptor, is increasingly used as an adjunct to coronary intervention. Little is known, however, about the efficacy and safety of readministration of abciximab. T ...
Full textLink to itemCite
Journal ArticleJournal of Interventional Cardiology · January 1, 2000
To identify predictors of Palmaz-Schatz in-stent restenosis and determine outcomes of treatment, we assessed 6-month outcomes in 402 patients who had coronary intervention with stent placement; 60 (15%) developed angiographic and clinical evidence of reste ...
Full textCite
Journal ArticleRofo · June 1999
PURPOSE: Acute renal failure is a known complication of contrast media (CM) application in risk patients. Therefore an efficient prevention is highly desirable. The purpose of this pilot study was a) to demonstrate the efficacy and safety of prostaglandin ...
Full textLink to itemCite
Journal ArticleCatheter Cardiovasc Interv · June 1999
Lower success rates have been reported when treating high-risk lesions in saphenous vein grafts (SVGs) and native coronary arteries with balloon angioplasty. The transluminal extraction atherectomy catheter (TEC) has been proposed to reduce the incidence o ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · February 15, 1999
We examined the possible benefits of achieving and maintaining infarct-related artery potency beyond the time when preservation of left ventricular function would be expected. The open-artery hypothesis suggests that a patent infarct-related artery confers ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · September 1, 1998
This single-center review of a consecutive series of patients requiring reexamination by angiography within 1 week of a coronary stent placement due to chest pain reveals that patients treated with a poststent anticoagulation regimen of warfarin and aspiri ...
Full textLink to itemCite
Journal ArticleCathet Cardiovasc Diagn · June 1998
Secondary to the low attrition rate of internal mammary artery grafts, limited data are available on the clinical and angiographic outcome of patients who have undergone balloon angioplasty of an internal mammary artery stenosis. This study examined a cons ...
Full textLink to itemCite
Journal ArticleAm Heart J · January 1998
Although neovascularization has been noted in atherosclerotic plaque, the presence of neovascularization has not been correlated with clinical syndromes. This study examined the relation between neovascularization in atherosclerotic plaque removed during d ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · November 20, 1997
The New Approaches to Coronary Intervention (NACI) registry was established to define the role of new coronary devices in overcoming the limitations of balloon angioplasty. The purpose of the present study was to evaluate the acute and long-term efficacy o ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · November 20, 1997
In the New Approaches to Coronary Intervention (NACI) registry, 887 patients were electively treated with excimer laser coronary angioplasty (ELCA) for coronary artery disease. The Advanced Interventional System (AIS) system was used in 487 cases; the Spec ...
Full textLink to itemCite
Journal ArticleCirculation · August 19, 1997
BACKGROUND: Development of the "all-digital" cardiac catheterization laboratory has been slowed by substantial computer archival and transfer requirements. Lossy data compression reduces this burden but creates irreversible changes in images, potentially i ...
Full textLink to itemCite
Journal ArticleAm Heart J · April 1997
To determine the natural history of patients with a total occlusion of a single coronary artery, we searched the Duke Databank for Cardiovascular Disease to find all patients who underwent a first coronary angiogram >2 days after a symptomatic myocardial i ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · December 15, 1996
Our purpose was to evaluate the outcomes of patients with prior coronary angioplasty who underwent thrombolysis for new acute myocardial infarction (AMI) in the Global Utilization of Streptokinase and t-PA for Occluded Coronary Arteries-I trial. Baseline c ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · July 1995
Patients with a chronic coronary occlusion often undergo coronary angiography after weeks to months of occlusion. The published reports underestimate the extent of this problem because such patients are often arbitrarily assigned to receive medical therapy ...
Full textLink to itemCite
Journal ArticleJ Interv Cardiol · June 1995
Major dissection and acute closure following conventional percutaneous transluminal coronary angioplasty (PTCA) occur in 5%-10% of cases and lead to significant morbidity. Newer percutaneous modalities such as directional coronary atherectomy (DCA), excime ...
Full textLink to itemCite
Journal ArticleCathet Cardiovasc Diagn · February 1995
To evaluate the efficacy, safety, and long-term results of atherectomy using the Transluminal Extraction catheter (TEC), patients with diseased saphenous vein grafts were enrolled in a prospective nonrandomized trial. Patients were followed to hospital dis ...
Full textLink to itemCite
Journal ArticleCirculation · February 1, 1995
BACKGROUND: Tissue factor (TF) is a cell membrane-associated protein that catalyzes the rate-limiting step of the extrinsic coagulation pathway, which is the major source of thrombin production in vivo. To explore the potential role that TF may play in isc ...
Full textLink to itemCite
Journal ArticleJ Invasive Cardiol · 1995
The development of more user-friendly and versatile perfusion balloon catheters has increased the use of prolonged dilations as a primary catheter treatment for coronary artery disease. In a multicenter randomized trial, the use of these devices to prolong ...
Link to itemCite
Journal ArticleCardiol Clin · November 1994
The TEC is a forward-cutting atherectomy catheter that has the unique potential to excise and aspirate atheroma, especially intraluminal thrombus. This device has been under clinical investigation for more than 6 years and received final marketing approval ...
Link to itemCite
Journal ArticleJ Invasive Cardiol · September 1994
Long angioplasty inflations have been reported using an autoperfusion system that delivers oxygenated blood distal to the balloon segment. The safety and efficacy of this system has been demonstrated in anatomically selected patients. The clinical use, how ...
Link to itemCite
Journal ArticleCirculation · March 1994
BACKGROUND: Observational studies have suggested that prolonged balloon inflation during coronary angioplasty is associated with a high clinical success rate. This randomized clinical trial sought to evaluate the impact of primary gradual and prolonged inf ...
Full textLink to itemCite
Journal ArticleCirculation · January 1994
BACKGROUND: The purpose of this investigation was to compare the magnitude of change in myocardial perfusion and function during exercise with that obtained during total coronary artery occlusion. Radionuclide studies are widely used for the diagnosis and ...
Full textLink to itemCite
Journal ArticleProceedings of the Annual Conference on Engineering in Medicine and Biology · December 1, 1993
We have developed a QRS detection algorithm based on a multivariate model, in which three independent, normalized measures -- amplitude, first difference, and spatial frequency -- are combined in a weighted sum to generate an indicator variable that is the ...
Cite
Journal ArticleCoron Artery Dis · November 1993
BACKGROUND: The New Approaches to Coronary Intervention (NACI) voluntary registry was designed to study the use, safety, and efficacy of new percutaneous transluminal interventional devices including directional coronary atherectomy, the transluminal extra ...
Full textLink to itemCite
Journal ArticleArch Intern Med · October 25, 1993
The discipline of cardiovascular medicine has undergone a striking transformation in recent decades. The field has always been of primary importance in medicine, because of the high prevalence of diseases of the cardiovascular system. However, progress in ...
Full textLink to itemCite
Journal ArticleAnn Pharmacother · May 1993
OBJECTIVE: To describe the possible development of antiarrhythmic resistance to cifenline, an investigational Class I agent. METHODS: Forty patients with chronic ventricular premature depolarizations (VPDs) underwent dose-ranging studies with cifenline, an ...
Full textLink to itemCite
Journal ArticleAm Heart J · January 1993
The goal of this study was to develop and test a new radio frequency thermal balloon system to allow longer balloon inflations at lower temperature levels than have been used with standard (laser) thermal balloon angioplasty. Radio frequency thermal capabi ...
Full textLink to itemCite
Journal ArticleComputers in Cardiology · 1993
A QRS detection algorithm has been developed based on a multivariate model. It included three normalized measures - amplitude, first difference, and spatial frequency. The terms are combined in a weighted sum to generate an indicator variable that is then ...
Cite
Journal ArticleProceedings of the Annual Conference on Engineering in Medicine and Biology · 1993
This paper addresses the issue of feature extraction and selection, focusing particularly ion the feature selection issue. Without assuming any particular classification algorithm it suggests that first one should extract as much information (features) as ...
Cite
Journal ArticleAnn Pharmacother · November 1992
OBJECTIVE: To compare thallium-201 (201Tl) myocardial perfusion imaging following intravenous adenosine and oral dipyridamole. DESIGN: Open-label, randomized, comparison. SETTING: Outpatient, university-affiliated clinic. PATIENTS: Fifteen patients with an ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · September 1992
OBJECTIVES: The purpose of this study was to further explore the procedural safety of prolonged (15-min) dilation using an autoperfusion coronary angioplasty balloon by assessing the degree of myocardial damage or hemolysis, if any, occurring as a result o ...
Full textLink to itemCite
Journal ArticleAm Heart J · July 1992
Limited data are available on mitral valve replacement in the elderly patient. Therefore we report our 10-year experience including predictors of perioperative mortality and subsequent long-term cardiac mortality in elderly patients with mitral valve repla ...
Full textLink to itemCite
Journal ArticleAnn Pharmacother · June 1992
OBJECTIVE: To evaluate the pharmacodynamics of intravenous lidocaine in patients with acute-onset and chronic ventricular arrhythmias. DESIGN: Open-label, pharmacodynamic evaluation. SETTING: Private, university-affiliated, hospital coronary-care unit. PAT ...
Full textLink to itemCite
Journal ArticleChest · May 1992
To assess the effects of verapamil on postextrasystolic potentiation (PESP), contrast left ventriculography was performed in ten healthy anesthetized dogs before and after the intravenous administration of verapamil, 0.1 mg/kg. During the contrast ventricu ...
Full textLink to itemCite
Journal ArticleAm Heart J · March 1992
There is no universally accepted approach to the initiation of systemic anticoagulant therapy. In an open, randomized study, two anticoagulant regimens that differed only in the timing of warfarin therapy after the start of heparin were compared. We random ...
Full textLink to itemCite
Journal ArticleArch Intern Med · February 1992
BACKGROUND: Preliminary information suggests that buspirone hydrochloride ameliorates symptoms of nicotine withdrawal. In a double-blind, randomized, placebo-controlled trial, we determined the effects of buspirone on the withdrawal symptoms associated wit ...
Link to itemCite
Journal ArticleAm J Cardiol · December 1, 1991
Digoxin causes false-positive ST depression during exercise stress testing, but it is unknown if digoxin produces ST depression during ambulatory electrocardiographic monitoring. Fifty healthy volunteers underwent both exercise stress testing and ambulator ...
Full textLink to itemCite
Journal ArticleDICP · March 1991
The pharmacokinetics and tolerance of actisomide (SC-36602) were determined following intravenous doses of 2.1, 4.2, and 8.4 mg/kg infused over five hours. Plasma concentrations observed in the low-dose group (2.1 mg/kg) were below the assay's limit of det ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · March 1, 1990
High-dose intravenous amiodarone was given to 35 patients with recurrent life-threatening ventricular tachycardia (VT) refractory to conventional antiarrhythmic agents. Intravenous amiodarone was given as a 5 mg/kg dose over 30 minutes followed by 20 to 30 ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · January 15, 1990
Although the hemodynamic characteristics and durability of the St. Jude valve prosthesis have been reported, the need for and the degree of anticoagulation in patients who receive these valves remain uncertain. Our 10-year experience with 165 patients (100 ...
Full textLink to itemCite
Journal ArticleRadiology · December 1989
Pharmacologic stress testing with dipyridamole is useful in patients undergoing thallium-201 myocardial perfusion scintigraphy who cannot adequately exercise. Because dipyridamole increases coronary blood flow by reducing the metabolism of adenosine, the a ...
Full textLink to itemCite
Journal ArticleDICP · November 1989
The effectiveness of nifedipine for the treatment of acute hypertensive episodes in patients already taking chronic calcium-channel blocker therapy is unknown. We report our experience with 43 consecutive patients who received nifedipine for acute hyperten ...
Full textLink to itemCite
Journal ArticleChest · September 1989
We describe a patient with recurrent atrial fibrillation who suffered a previously unreported adverse reaction to encainide therapy manifested by fever, chills, diaphoresis and myalgia. The patient had a similar response upon rechallenging with encainide, ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · February 15, 1989
One hundred seven patients with echocardiographically documented mitral anular calcium (MAC) and 107 age- and sex-matched control subjects without MAC were studied and followed for a mean of 4.4 +/- 2.4 (standard deviation) years. Fourteen (7%) patients we ...
Full textLink to itemCite
Journal ArticlePostgrad Med · February 1, 1989
Although interventional techniques have changed the management of acute phases of myocardial infarction, they have not altered the need for evaluating long-term risk factors. As many as 60% of patients with multiple risk factors die within one year after d ...
Link to itemCite
Journal ArticleDICP · 1989
The administration of nifedipine by the sublingual rather than the oral route has been suggested to provide a more rapid onset of effect. We compared the safety and efficacy of sl nifedipine to sl nitroglycerin in patients who developed anginal chest pain ...
Full textLink to itemCite
Journal ArticleCurrent Therapeutic Research - Clinical and Experimental · 1989
The long-term outcome of 698 patients discharged from the hospital following initiation of successful class I antiarrhythmic agents for potentially malignant ventricular arrhythmias was studied retrospectively. The study population consisted of patients wi ...
Cite
Journal ArticleComputers in Cardiology · September 1, 1988
The authors evaluate a frequency-domain algorithm for use by the CREI-GARD computerized arrhythmia system (F. M. Nolle et al., 1986) to detect ventricular fibrillation (VF) in the surface ECG. This was accomplished using (1) The American Heart Association ...
Cite
Journal ArticleClin Cardiol · August 1988
Although coarctation of the aorta is associated with various cardiac abnormalities, its association with mitral annular calcification (MAC) is not reported. We therefore report a 37-year-old patient with postductal coarctation of the aorta and MAC. Conside ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · February 1, 1988
To evaluate the diagnostic significance and long-term follow-up data of patients with exercise-induced bundle branch block (BBB), 10,176 consecutive patients' exercise test data were reviewed and 50 patients found to have exercise-induced BBB. Clinical, ex ...
Full textLink to itemCite
Journal ArticleComputers in Cardiology · December 1, 1987
CREI-GARD is a computer system developed for inpatient ECG monitoring. The system is used to provide real-time data on the frequencies and types of ventricular arrhythmias and to document the occurrences of other arrhythmias. The system is centrally operat ...
Cite
Journal ArticleAm J Cardiol · October 1, 1987
Seventy-six consecutive patients, mean age 66 +/- 9 years (+/- standard deviation), with isolated aortic valve replacement for calcific valvular aortic stenosis (AS) were studied. Mitral anular calcium (MAC) was detected by echocardiography in 45 patients ...
Full textLink to itemCite
Journal ArticleAm Heart J · August 1987
The efficacy and safety of intravenous tocainide were compared with intravenous lidocaine in patients with chronic ventricular arrhythmias in a double-blind, parallel study. Twenty-nine patients were randomized to a tocainide (n = 15) or lidocaine (n = 14) ...
Full textLink to itemCite
Journal ArticleJ Occup Med · July 1987
A total of 171 male police officers volunteered to (1) assess risk factors for developing atherosclerotic heart disease and (2) evaluate the relationship of fitness to risk. Results revealed substantial numbers of officers with elevated risk: 22% were smok ...
Link to itemCite
Journal ArticleJournal of Cardiopulmonary Rehabilitation · January 1, 1987
The catecholamine, renin-aldosterone, and glucose-insulin responses to maximal exercise were studied in 18 young, healthy male subjects. Eight of these subjects agreed to further undergo an 18-day period of bedrest, following which the exercise protocol wa ...
Full textCite
Journal ArticleCan J Cardiol · 1986
Myocardial bridges may exert an ischemic effect on the myocardium and often warrant therapy including surgical correction in selected cases. Decrease in systolic compression after the administration of propranolol has not been reported. We report a patient ...
Link to itemCite
Journal ArticleAm J Cardiol · February 1, 1985
To evaluate potential benefits that elderly cardiac patients might gain from early exercise programs, 361 such patients were studied: group I--60 patients aged 44 years or younger; group II--114 patients aged 45 to 54 years; group III--111 patients aged 55 ...
Full textLink to itemCite
Journal ArticleEnviron Res · December 1984
To evaluate the effect of breathing 50 ppm carbon monoxide (CO) on exercise capacity in persons with anemia, 10 nonsmoking subjects with chronic anemia (mean hemoglobin 8.9 g%) were studied. No subject had heart or lung disease. By double-blind, randomized ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · December 1, 1984
The clinical characteristics of 107 patients younger than 60 years with mitral anular calcium (MAC) were compared with those of 107 age- and sex-matched control subjects. The patients with MAC included 55 men and 52 women, mean age 51 years. The control gr ...
Full textLink to itemCite
Journal ArticleEur Heart J · November 1984
We have previously demonstrated that elderly male cardiac patients benefit from participation in early exercise programmes through enhancement of functional capacity and improved psychological responses to exertion. Based on our experience, we present guid ...
Full textLink to itemCite
Journal ArticleEur Heart J · November 1984
To evaluate potential benefits that elderly cardiac patients might gain from early exercise programs, 361 cardiac patients were studied. Seventy-six patients were older than 65 years (elderly). All patients participated in a 12 week exercise program within ...
Full textLink to itemCite
Journal ArticleChest · May 1984
To determine the prevalence of carboxyhemoglobin levels in banked blood exceeding Air Quality Standards (level of carboxyhemoglobin greater than 1.5 percent), we analyzed banked blood for the level of carboxyhemoglobin from 101 randomly selected samples. O ...
Full textLink to itemCite
Journal ArticleClin Cardiol · May 1984
This retrospective study correlates the severity of calcific aortic stenosis determined by two-dimensional (2-D) echocardiography with the aortic valve area determined by catheterization in 57 patients. Aortic valve leaflet calcification was diagnosed by c ...
Full textLink to itemCite
Journal ArticleJournal of Cardiac Rehabilitation · January 1, 1984
To evaluate whether exercise testing might identify cardiac patients who do not require continuous electrocardiographic (ECG) monitoring during early rehabilitation exercise programs, 202 subjects (88 post-myocardial infarction [MI] patients and 114 post-c ...
Cite
Journal ArticleAm J Cardiol · January 1, 1984
The prevalence of conduction defects was investigated in 51 patients older than 60 years with aortic stenosis (AS) who underwent aortic valve replacement. Thirty one of the 51 patients, (61%) had associated mitral anular calcium (MAC). The mean age and pre ...
Full textLink to itemCite
Journal ArticleClin Pharmacol Ther · November 1983
Our subjects were 20 patients with life-threatening or symptomatic ventricular arrhythmias refractory to standard oral antiarrhythmic drugs but responsive to intravenous lidocaine. After evaluation of arrhythmias and treatment with intravenous lidocaine, o ...
Full textLink to itemCite
Journal ArticlePostgrad Med · June 1983
Management of the postinfarction patient should be directed toward identifying and treating individuals at risk of future coronary morbidity or mortality. The history, physical examination, resting ECG, and chest film, supplemented with ambulatory electroc ...
Full textLink to itemCite
Journal ArticleJ Am Coll Cardiol · May 1983
Two hundred eighty patients (197 men and 83 women) with normal rest electrocardiograms and no history of prior myocardial infarction were referred for evaluation of chest pain. It was found that exercise-induced premature ventricular complexes had a lower ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · March 15, 1983
The clinical and echocardiographic features of 104 patients (53 women and 51 men) with mitral anular calcification (MAC) were compared with those of 121 age- and sex-matched control subjects (62 women and 59 men) without MAC. The incidence of coronary arte ...
Full textLink to itemCite
Journal ArticleJournal of Cardiac Rehabilitation · January 1, 1983
Exercise testing is useful in evaluating suspected or proven coronary artery disease (CAD) and provides evidence for or against latent myocardial ischemia. The pretest probability of CAD is dependent on sex, age, and symptoms. Exercise testing modifies thi ...
Cite
Journal ArticleClinical Cardiology · 1983
We performed a prospective study by dual-channel ambulatory monitoring performed for 24 to 72 hours immediately after hospitalization for unstable angina. The incidence of ST-segment depression or elevation or ventricular tachycardia or complex premature v ...
Cite
Journal ArticleAm Heart J · February 1982
Mitral anular calcification (MAC) is associated with high frequency of conduction defects. To delineate this association in patients with symptomatic bradyarrhythmias, 68 consecutive patients requiring pacemakers (group I) and 56 matched controls (group II ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · October 1981
To evaluate the influence of digoxin on the results of exercise testing and the prognostic significance of digoxin-induced positive exercise tests, 98 healthy men, aged 22 to 70 years, were studied. All had normal initial exercise test results. All took di ...
Full textLink to itemCite
Journal ArticleJAMA · March 14, 1980
A study was conducted to evaluate the validity and usefulness of a commercially available microprocessor for automated exercise ECG analysis and to develop a nomogram for estimating the severity of coronary artery disease. Results of visual analysis, autom ...
Link to itemCite
Journal ArticleComputers in Cardiology · 1977
In order to evaluate the validity of usefulness of commercially available automated exercise ECG analyses systems, 107 patients were studied. Results of automated analysis, visual analysis and coronary arteriography were correlated. Automated analysis was ...
Cite
Journal ArticleComputers in Cardiology · 1977
Over the past decade a number of attempts have been made at developing a computer-based system for the detection of arrhythmias, primarily PVC's (Premature Ventricular Contractions). The authors have attempted to overcome a number of the shortcomings by de ...
Cite
Journal ArticleAm Heart J · November 1976
To evaluate the efficacy of LDH isoenzymes in the detection of myocardial infarction in patients undergoing coronary bypass surgery, 73 patients were studied pre- and postoperatively by ECG, CPK, SGOT, total serum LDH, and LDH isoenzyme measurements. A rev ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · September 1975
New data on genetics, including an extensive pedigree and certain aspects of natural history, have been compiled on Family S, which is characterized by a hereditary progressive atrioventricular (A-V) conduction defect. Concordance analysis of heart block i ...
Full textLink to itemCite
Journal ArticleAm J Cardiol · August 1975
Two hundred fifty-one patients (195 male and 56 females) referred for evaluation of chest pain were studied by multistage submaximal stress testing and selective coronary arteriography. In men with positive exercise tests the incidence rate of true positiv ...
Full textLink to itemCite