Margaret Infeld, MD, MS; Kramer Wahlberg, MD; Jillian Cicero, BS; et al.
free access
JAMA Cardiol. 2023;8(3):213-221. doi:10.1001/jamacardio.2022.5320
This randomized clinical trial assesses the effects of a moderately accelerated personalized backup heart rate compared with 60 bpm in patients with heart failure with preserved ejection fraction (HFpEF) who have preexisting pacemaker systems that limit pacemaker-mediated dyssynchrony.
Xiaoming Jia, MD; Mahmoud Al Rifai, MD, MPH; Ron Hoogeveen, PhD; et al.
free access
JAMA Cardiol. 2023;8(3):222-230. doi:10.1001/jamacardio.2022.5309
This cohort study assesses the association between change in N-terminal pro鈥揃-type natriuretic peptide with risk for incident heart failure and death.
Sarah E. Turecamo, BA; Meng Xu, MS; Debra Dixon, MD, MS; et al.
free access
JAMA Cardiol. 2023;8(3):231-239. doi:10.1001/jamacardio.2022.5211
This cohort study analyzes data for participants from the Southern Community Cohort Study to determine whether rurality is associated with increased risk of heart failure and whether rurality-associated risk varies by race and sex.
Matthew T. Wheeler, MD, PhD; Iacopo Olivotto, MD; Perry M. Elliott, MD; et al.
open access
JAMA Cardiol. 2023;8(3):240-247. doi:10.1001/jamacardio.2022.5099
This study examines the effect of mavacamten on exercise physiology using cardiopulmonary exercise testing.
Théo Pezel, MD; Julien Dreyfus, MD; Basile Mouhat, MD; et al.
free access
JAMA Cardiol. 2023;8(3):248-256. doi:10.1001/jamacardio.2022.5016
This study attempts to assess the effectiveness of simulation-based vs traditional teaching of transesophageal echocardiography knowledge and skills of cardiology fellows.
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Invited Commentary
Jump-starting the Journey to Transesophageal Echocardiogram Mastery
Michael Spooner, MD, MBA; Kathryn Berlacher, MD, MS
JAMA Cardiol
Jacqueline S. Dron, PhD; Aniruddh P. Patel, MD; Yiyi Zhang, PhD; et al.
free access
JAMA Cardiol. 2023;8(3):258-267. doi:10.1001/jamacardio.2022.5271
This genetic association study evaluates the association of protein-truncating variants in APOB and PCSK9 with low-density lipoprotein (LDL) cholesterol levels and coronary heart disease.