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Full-Text Articles in Medicine and Health Sciences
Metabolic Modulation Predicts Heart Failure Tests Performance, Daniel Contaifer Jr., Leo F. Buckley, George Wohlford, Naren G. Kumar, Joshua M. Morriss, Asanga D. Ranasinghe, Salvatore Carbone, Justin M. Canada, Cory Trankle, Antonio Abbate, Benjamin W. Van Tassell, Dayanjan S. Wijesinghe
Metabolic Modulation Predicts Heart Failure Tests Performance, Daniel Contaifer Jr., Leo F. Buckley, George Wohlford, Naren G. Kumar, Joshua M. Morriss, Asanga D. Ranasinghe, Salvatore Carbone, Justin M. Canada, Cory Trankle, Antonio Abbate, Benjamin W. Van Tassell, Dayanjan S. Wijesinghe
Pharmacotherapy and Outcomes Science Publications
The metabolic changes that accompany changes in Cardiopulmonary testing (CPET) and heart failure biomarkers (HFbio) are not well known. We undertook metabolomic and lipidomic phenotyping of a cohort of heart failure (HF) patients and utilized Multiple Regression Analysis (MRA) to identify associations to CPET and HFBio test performance (peak oxygen consumption (Peak VO2), oxygen uptake efficiency slope (OUES), exercise duration, and minute ventilation-carbon dioxide production slope (VE/VCO2 slope), as well as the established HF biomarkers of inflammation C-reactive protein (CRP), beta-galactoside-binding protein (galectin-3), and N-terminal prohormone of brain natriuretic peptide (NT-proBNP)). A cohort of 49 patients with …
Impaired Myocardial Relaxation With Exercise Determines Peak Aerobic Exercise Capacity In Heart Failure With Preserved Ejection Fraction, Cory Trankle, Justin M. Canada, Leo Buckley, Salvatore Carbone, Dave Dixon, Ross Arena, Benjamin Van Tassell, Antonio Abbate
Impaired Myocardial Relaxation With Exercise Determines Peak Aerobic Exercise Capacity In Heart Failure With Preserved Ejection Fraction, Cory Trankle, Justin M. Canada, Leo Buckley, Salvatore Carbone, Dave Dixon, Ross Arena, Benjamin Van Tassell, Antonio Abbate
Pharmacotherapy and Outcomes Science Publications
Background
Heart failure with preserved ejection fraction (HFpEF) is a clinical syndrome characterized by impaired exercise capacity due to shortness of breath and/or fatigue. Assessment of diastolic dysfunction at rest and with exercise may provide insight into the pathophysiology of exercise intolerance in HFpEF.
Aims
To measure echocardio-Doppler-derived parameters of diastolic function as they relate to various indices of aerobic exercise capacity in HFpEF.
Methods
We selected 16 subjects with clinically stable HFpEF, no evidence of volume overload, but impaired functional capacity by cardiopulmonary exercise testing [peak oxygen consumption (VO2)]. We measured the transmitral E and A flow …