Journal ArticleJACC Heart Fail · December 2025
BACKGROUND: The etiology of exercise intolerance in heart failure with preserved ejection fraction (HFpEF) is multifactorial. Several contributing pathways may be improved by ketone ester (KE). OBJECTIVES: This study aims to determine whether KE improves e ...
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Journal ArticleJ Card Fail · November 8, 2025
BACKGROUND: The real-world clinical and economic burden of transthyretin amyloid cardiomyopathy (ATTR-CM) is not well characterized. Prior studies have often been limited by uncertain generalizability or reliance on administrative claims data, which can la ...
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ConferenceCirculation · November 4, 2025
Background:
Transthyretin amyloid cardiomyopathy (ATTR-CM) is associated with high risk for heart failure (HF) hospitalization. However, little is known regarding post-discharge outcom ...
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Journal ArticleJACC Adv · June 2025
BACKGROUND: Apolipoprotein M (ApoM) is associated with lower mortality in heart failure (HF) patients and protects against cardiac and kidney injury in mice. OBJECTIVES: The authors investigated dapagliflozin's cardiorenal effects by studying its associati ...
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Journal ArticleEur J Prev Cardiol · March 21, 2025
AIMS: Circulating ketone bodies (KB) have emerged as a potential adjunctive biomarker for incident heart failure (HF) risk and might provide incremental information beyond established biomarkers. A multi-marker risk score may improve risk stratification of ...
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Journal ArticleJACC Basic Transl Sci · March 2025
Growing evidence supports therapeutic ketosis in heart failure with reduced ejection fraction, though uncertainty exists regarding use with SGLT2i and dose-dependent effects. In a phase I trial of 2 ketone ester (KE) doses in 20 heart failure with reduced ...
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Journal ArticleJ Card Fail · January 2025
Is it time to employ systematic genetic screening for V142I transthyretin cardiac amyloidosis? Strategic research programs are needed to fill evidence gaps before meaningful and equitable implementation can begin to reduce health disparities and improve mo ...
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Journal ArticleEur Heart J Cardiovasc Imaging · November 27, 2024
AIMS: Assessment of cardiac structure and function improves risk prediction of new-onset atrial fibrillation (AF) in different populations. We aimed to comprehensively compare standard and newer measures of cardiac structure and function in improving predi ...
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ConferenceCirculation · November 12, 2024
Background:
Growing evidence supports a therapeutic role for ketones in HFrEF. However, no pharmacokinetic (PK) studies are available to guide further investigation, and uncertainty exists regarding u ...
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Journal ArticleCirc Heart Fail · November 2024
BACKGROUND: Mechanisms of benefit with SGLT2is (sodium-glucose cotransporter-2 inhibitors) in heart failure (HF) remain incompletely characterized. Dapagliflozin alters ketone and fatty acid metabolism in HF with reduced ejection fraction though similar ef ...
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Journal ArticleJACC Basic Transl Sci · September 2024
Both heart failure and cardiometabolic disease are on the rise, and abnormal cardiac and peripheral metabolism are central to the syndrome of heart failure. Advances in metabolomic profiling have improved our understanding of the heart's metabolic flexibil ...
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Journal ArticleCirc Cardiovasc Imaging · August 2024
BACKGROUND: Fluorine-18 fluorodeoxyglucose (FDG) with positron emission tomography (PET) is the standard for detecting myocardial inflammation in cardiac sarcoidosis, requiring preparation with the ketogenic diet (KD) to achieve myocardial glucose suppress ...
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Journal ArticleJAMA · June 4, 2024
IMPORTANCE: Individual cohort studies concur that the amyloidogenic V142I variant of the transthyretin (TTR) gene, present in 3% to 4% of US Black individuals, increases heart failure (HF) and mortality risk. Precisely defining carrier risk across relevant ...
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Journal ArticleJACC Heart Fail · June 2024
BACKGROUND: Although sodium glucose co-transporter 2 inhibitors (SGLT2is) improve heart failure (HF)-related symptoms and outcomes in HF with preserved ejection fraction (HFpEF), underlying mechanisms remain unclear. In HF with reduced EF, dapagliflozin al ...
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Journal ArticleCirculation · December 12, 2023
BACKGROUND: Apparent treatment-resistant hypertension (aTRH) is prevalent and associated with adverse outcomes in heart failure with mildly reduced or preserved ejection fraction. Less is known about the potential role of sodium-glucose co-transporter 2 in ...
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Journal ArticleJAMA Cardiol · August 1, 2023
IMPORTANCE: Hereditary transthyretin cardiac amyloidosis is an increasingly recognized cause of heart failure (HF) with distinct treatment. The amyloidogenic pV142I (V122I) variant is present in 3% to 4% of Black individuals in the US and increases the ris ...
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Journal ArticleCirc Heart Fail · February 2023
BACKGROUND: Heuristic biases are increasingly recognized, and potentially modifiable, contributors to patient care and outcomes. Left digit bias is a cognitive bias where continuous variables are categorized by their left-most digit. The impact of this heu ...
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Journal ArticleJACC Heart Fail · January 2023
BACKGROUND: Optimizing systolic blood pressure (SBP) in heart failure (HF) with preserved ejection fraction carries a Class I recommendation but with limited evidence. Sodium-glucose cotransporter 2 (SGLT2) inhibitors have antihypertensive effects across c ...
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Journal ArticleEur Heart J Cardiovasc Imaging · November 17, 2022
AIMS: The ketogenic diet (KD) is standard-of-care to achieve myocardial glucose suppression (MGS) for assessing inflammation using fluorine-18 fluorodeoxyglucose-positron emission tomography (FDG-PET). As KD protocols remain highly variable between centres ...
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Journal ArticleJACC Cardiovasc Imaging · November 2022
BACKGROUND: Patients with suspected cardiac sarcoidosis frequently undergo fluorodeoxyglucose (FDG)-positron emission tomography (PET)/computed tomography (CT) imaging to assess disease activity at baseline and after treatment initiation. OBJECTIVES: This ...
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Journal ArticleCirculation · September 13, 2022
BACKGROUND: Sodium-glucose cotransporter-2 inhibitors are foundational therapy in patients with heart failure with reduced ejection fraction (HFrEF), but underlying mechanisms of benefit are not well defined. We sought to investigate the relationships betw ...
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Journal ArticleJ Card Fail · July 2022
BACKGROUND: β-Amyloid has recently been discovered in the myocardium of patients with Alzheimer's disease (AD). Whether genetic variation in apolipoprotein E (APOE) ɛ4, a common variant associated with Alzheimer's disease, is associated with incident heart ...
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Journal ArticleJ Nucl Med · May 2022
The ketogenic diet (KD) is the standard of care to achieve myocardial glucose suppression (MGS) for assessing inflammation using 18F-FDG PET. However, failure to suppress physiologic glucose uptake remains a significant diagnostic barrier. Although extendi ...
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Journal ArticleJ Am Coll Cardiol · April 26, 2022
BACKGROUND: Limited data exist to characterize novel measures of left atrial (LA) structure and function in older adults without prevalent heart failure (HF). OBJECTIVES: The aim was to assess reference range of LA measures, their associations with N-termi ...
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Journal ArticleJ Am Heart Assoc · April 5, 2022
Background Patients with heart failure (HF) are at high risk for atherosclerotic cardiovascular disease. Studies of atherothrombotic treatments in this population have been disappointing to date. Icosapent ethyl reduced the risk of atherosclerotic cardiova ...
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Journal ArticleJ Am Soc Echocardiogr · March 2022
BACKGROUND: Interest in therapeutic applications of exogenous ketones has grown significantly, spanning patients with heart failure to endurance athletes. Exogenous ketones engender significant effects on cardiac function in heart failure and provide an er ...
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Journal ArticleJ Am Heart Assoc · September 7, 2021
Background Dyslipidemia is common in heart failure with preserved ejection fraction. Sacubitril/valsartan improves glycemic control and augments natriuretic peptide signaling, providing mechanisms by which sacubitril/valsartan may affect serum lipids. Howe ...
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Journal ArticleCurr Opin Cardiol · July 1, 2021
PURPOSE OF REVIEW: Hypertension remains a leading risk factor for heart failure with preserved ejection fraction (HFpEF), and elevated blood pressure (BP) portends an adverse prognosis in patients with established HFpEF. We summarize current evidence for m ...
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Journal ArticleJ Nucl Cardiol · June 2021
BACKGROUND: The difference in diagnostic accuracy of coronary artery disease (CAD) between vasodilator SPECT and PET myocardial perfusion imaging (MPI) in patients with left bundle branch block (LBBB) or ventricular-paced rhythm (VPR) is unknown. METHODS: ...
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Journal ArticleOpen Heart · May 2021
OBJECTIVE: Visually estimated coronary artery calcium (VECAC) from chest CT or attenuation correction (AC)/CT obtained during positron emission tomography (PET)-myocardial perfusion imaging (MPI) is feasible. Our aim was to determine the prognostic value o ...
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Journal ArticleJACC Cardiovasc Imaging · January 2021
OBJECTIVES: The purpose of this study was to determine the relationship between body composition, N-terminal B-type natriuretic peptide (NT-proBNP) levels, and heart failure (HF) phenotypes and outcomes. BACKGROUND: Abnormalities in body composition can in ...
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Journal ArticlePET Clin · January 2021
Cardiovascular conditions can exist as part of a systemic disorder (eg, sarcoidosis, amyloidosis, or vasculitis) or have systemic consequences as a result of the cardiovascular insult (eg, myocardial infarction). In other circumstances, multisystem evaluat ...
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Journal ArticleEur J Heart Fail · November 2020
AIMS: This study aimed to determine the prognostic value of serum uric acid (SUA) on outcomes in heart failure (HF) with preserved ejection fraction (HFpEF), and whether sacubitril-valsartan reduces SUA and use of SUA-related therapies. METHODS AND RESULTS ...
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Journal ArticleJACC Heart Fail · August 2020
OBJECTIVES: This study sought to describe characteristics and risk of adverse outcomes associated with the H2FPEF and HFA-PEFF scores among participants in the community with unexplained dyspnea. BACKGROUND: Diagnosing heart failure with preserved ejection ...
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Journal ArticleCirculation · June 2, 2020
Despite existing therapy, patients with heart failure (HF) experience substantial morbidity and mortality, highlighting the urgent need to identify novel pathophysiological mechanisms and therapies, as well. Traditional models for pharmacological intervent ...
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Journal ArticleJ Am Coll Cardiol · April 14, 2020
BACKGROUND: Guidelines recommend targeting systolic blood pressure (SBP) <130 mm Hg in heart failure with preserved ejection fraction (HFpEF) with limited data. OBJECTIVES: This study sought to determine the optimal achieved SBP and whether the treatment e ...
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Journal ArticleCirculation · October 22, 2019
BACKGROUND: The contemporary prognostic value of the physical examination- beyond traditional risk factors including natriuretic peptides, risk scores, and symptoms-in heart failure (HF) with reduced ejection fraction is unknown. We aimed to determine the ...
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Journal ArticleAtherosclerosis · October 2019
BACKGROUND: Walking pace is increasingly being used to assess functional status in ambulatory settings. METHODS: We conducted a prospective analysis within the Physicians' Health Study to examine whether walking pace is associated with mortality and incide ...
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Journal ArticleCirc Heart Fail · July 2019
BACKGROUND: The prognostic value of physical examination, its relation to quality of life, and influence of therapy in heart failure with preserved ejection fraction is not well known. METHODS AND RESULTS: We studied participants from the Americas with ava ...
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Journal ArticleJ Am Heart Assoc · February 19, 2019
Background The impact of skeletal muscle size, quantified using simple noninvasive images routinely obtained during cardiac magnetic resonance imaging studies on mortality in the heart failure ( HF ) population is currently unknown. Methods and Results We ...
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Journal ArticleHypertension · January 2019
H63D has been identified as a novel locus associated with the development of hypertension. The quantitative risks for hypertension, cardiac remodeling, and adverse events are not well studied. We analyzed white participants from the ARIC study (Atheroscler ...
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Journal ArticleInt J Cardiol · January 1, 2019
BACKGROUND: Indices of cardiac mechanics are sensitive markers of subclinical myocardial dysfunction. Improved understanding of the clinical correlates and heritability of cardiac mechanics could result in novel insight into the acquired and genetic risk f ...
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Journal ArticleCirc Heart Fail · November 2018
BACKGROUND: Albuminuria predicts adverse events in heart failure with preserved ejection fraction. No therapies to date have reduced albuminuria in heart failure with preserved ejection fraction. METHODS AND RESULTS: We analyzed 1175 participants from the ...
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Journal ArticleAm J Cardiol · October 15, 2018
Anemia is associated with a poor prognosis in heart failure with preserved ejection fraction (HFpEF), but the reasons underlying this association are unclear. Previous studies have reported an association between anemia and diastolic dysfunction. However, ...
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Journal ArticleJ Am Coll Cardiol · April 10, 2018
BACKGROUND: Several recent studies have suggested an increased cancer risk among patients with heart failure (HF). However, these studies are constrained by limited size and follow-up, lack of comprehensive data on other health attributes, and adjudicated ...
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Journal ArticleJ Am Heart Assoc · March 30, 2018
BACKGROUND: Adoption of electronic health record (EHR) systems has increased significantly across the nation. Whether EHR use has translated into improved quality of care and outcomes in heart failure (HF) is not well studied. METHODS AND RESULTS: We exami ...
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Journal ArticleEur J Heart Fail · March 2018
AIMS: Recent guidelines have advocated for stricter systolic blood pressure (SBP) control in heart failure with preserved ejection fraction (HFpEF), though data regarding the optimal SBP in HFpEF are sparse. METHODS AND RESULTS: We analysed participants fr ...
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Journal ArticleJ Am Coll Cardiol · August 8, 2017
BACKGROUND: The optimal level of sodium intake remains controversial. OBJECTIVES: This study sought to determine whether examination of left ventricular longitudinal strain (LS), circumferential strain, and e' velocity can provide insight into thresholds f ...
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Journal ArticleCirc Heart Fail · June 2017
BACKGROUND: African Americans develop chronic kidney disease and pulmonary hypertension (PH) at disproportionately high rates. Little is known whether PH heightens the risk of heart failure (HF) admission or mortality among chronic kidney disease patients, ...
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Journal ArticleJ Cardiovasc Transl Res · June 2017
We sought to evaluate whether unbiased machine learning of dense phenotypic data ("phenomapping") could identify distinct hypertension subgroups that are associated with the myocardial substrate (i.e., abnormal cardiac mechanics) for heart failure with pre ...
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Journal ArticleCirc Cardiovasc Imaging · June 2016
BACKGROUND: Central obesity, defined by increased waist circumference or waist:hip ratio (WHR), is associated with increased cardiovascular events, including heart failure. However, the pathophysiological link between central obesity and adverse cardiovasc ...
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Journal ArticleEchocardiography · March 2016
BACKGROUND: Several large epidemiologic studies and clinical trials have included echocardiography, but images were stored in analog format and these studies predated tissue Doppler imaging (TDI) and speckle tracking echocardiography (STE). We hypothesized ...
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Journal ArticleJ Am Coll Cardiol · February 2, 2016
BACKGROUND: Pulse pressure (PP) provides valuable prognostic information in specific populations, but few studies have assessed its value on cardiovascular outcomes in a broad, worldwide population. OBJECTIVES: The aim of this study was to determine whethe ...
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Journal ArticleMagn Reson Imaging · December 2015
PURPOSE: We propose a method for non-invasive quantification of hemodynamic changes in the pulmonary arteries resulting from pulmonary hypertension (PH). METHODS: Using a two-element Windkessel model, and input parameters derived from standard MRI evaluati ...
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Journal ArticlePulm Circ · September 2015
Ranolazine, a late inward sodium current and fatty acid oxidation inhibitor, may improve right ventricular (RV) function in pulmonary arterial hypertension (PAH); however, the safety and efficacy of ranolazine in humans with PAH is unknown. Therefore, we s ...
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Journal ArticleCirculation · January 20, 2015
BACKGROUND: Heart failure with preserved ejection fraction (HFpEF) is a heterogeneous clinical syndrome in need of improved phenotypic classification. We sought to evaluate whether unbiased clustering analysis using dense phenotypic data (phenomapping) cou ...
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Journal ArticleCardiovasc Ultrasound · October 3, 2014
BACKGROUND: Diastolic wall strain (DWS), defined using posterior wall thickness (PWT) measurements from standard echocardiographic images (DWS = [PWT(systole)-PWT(diastole)]/PWT(systole)), has been proposed as a marker of left ventricular (LV) diastolic st ...
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Journal ArticleJ Am Heart Assoc · April 29, 2014
BACKGROUND: Comorbidities are common in heart failure (HF), and the number of comorbidities has been associated with poor outcomes in HF patients. However, little is known about the effect of multiple comorbidities on cardiac mechanics, which could impact ...
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Journal ArticleCirc Heart Fail · March 1, 2014
BACKGROUND: Heart failure with preserved ejection fraction (HFpEF) is a heterogeneous syndrome associated with multiple pathophysiologic abnormalities, including left ventricular (LV) diastolic dysfunction, longitudinal LV systolic dysfunction, abnormal ve ...
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Journal ArticleCirculation · January 7, 2014
BACKGROUND: Albuminuria is a marker of endothelial dysfunction and has been associated with adverse cardiovascular outcomes. The reasons for this association are unclear but may be attributable to the relationship between endothelial dysfunction and intrin ...
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Journal ArticlePLoS One · 2014
BACKGROUND: News coverage of medical research is followed closely by many Americans and affects the practice of medicine and influence of scientific research. Prior work has examined the quality of media coverage, but no investigation has characterized the ...
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Journal ArticlePLoS One · 2014
BACKGROUND: Internal medicine fellowship programs have an incentive to select fellows who will ultimately publish. Whether an applicant's publication record predicts long term publishing remains unknown. METHODS: Using records of fellowship bound internal ...
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Journal ArticleJ Am Soc Echocardiogr · January 2014
BACKGROUND: No prior studies have investigated the association of QRS-T angle with cardiac structure and function and outcomes in heart failure with preserved ejection fraction (HFpEF). The aim of this study was to test the hypothesis that increased fronta ...
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Journal ArticleAm J Transplant · September 2013
Maintenance of cardiac function is critical to the survival of patients with end-stage liver disease after liver transplantation (LT). We sought to determine whether pre-LT echocardiographic indices of right heart structure and function were independently ...
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Journal ArticleMayo Clin Proc · August 2013
OBJECTIVE: To identify medical practices that offer no net benefits. METHODS: We reviewed all original articles published in 10 years (2001-2010) in one high-impact journal. Articles were classified on the basis of whether they addressed a medical practice ...
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Journal ArticleAm J Cardiol · July 15, 2012
There are well-documented changes in thyroid hormone metabolism that accompany heart failure (HF). However, the frequency of thyroid hormone abnormalities in HF with preserved ejection fraction (HFpEF) is unknown, and no studies have investigated the assoc ...
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Journal ArticlePLoS One · 2012
OBJECTIVE: Olfaction is impaired in chronic rhinosinusitis (CRS). The study has two aims: (1) to determine whether changes in cation concentration occur in the olfactory mucus of mice with CRS, which may affect chemo-electrical transduction, (2) and to exa ...
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