Akhil Narang, MD; Richard Bae, MD; Ha Hong, PhD; et al.
open access
has multimedia
JAMA Cardiol. 2021;6(6):624-632. doi:10.1001/jamacardio.2021.0185
This diagnostic study tests whether nurses who were naive to ultrasonographic use could obtain 10-view transthoracic echocardiographic studies of diagnostic quality using deep-learning artificial intelligence–based software.
Rohan Khera, MD, MS; Julian Haimovich, MD; Nathan C. Hurley, BS; et al.
free access
JAMA Cardiol. 2021;6(6):633-641. doi:10.1001/jamacardio.2021.0122
This cohort study evaluates whether contemporary machine learning methods can facilitate prediction of death from acute myocardial infarction by including a larger number of variables and identifying complex relationships between predictors and outcomes.
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Editorial
Incremental Benefits of Machine Learning—When Do We Need a Better Mousetrap?
Matthew M. Engelhard, MD, PhD; Ann Marie Navar, MD, PhD; Michael J. Pencina, PhD
Ramin Ebrahimi, MD; Kristine E. Lynch, PhD; Jean C. Beckham, PhD; et al.
free access
JAMA Cardiol. 2021;6(6):642-651. doi:10.1001/jamacardio.2021.0227
This longitudinal cohort study assesses whether posttraumatic stress disorder is associated with incident ischemic heart disease in US women veterans.
Ravi V. Shah, MD; Mark W. Schoenike, BS; Miguel Á. Armengol de la Hoz, PhD; et al.
free access
has active quiz
JAMA Cardiol. 2021;6(6):653-660. doi:10.1001/jamacardio.2021.0292
This cohort study examines the metabolic cost of initiating exercise and its functional consequences.
Matthew K. Armstrong, PhD; Brooklyn J. Fraser, PhD; Olli Hartiala, MD; et al.
free access
JAMA Cardiol. 2021;6(6):661-668. doi:10.1001/jamacardio.2020.7238
This cohort study determines the relative association of non–high-density lipoprotein cholesterol levels at different life stages for the presence of coronary artery calcification in mid-adulthood.
Pierre-Marie Roy, MD, PhD; Emilie Friou, MD; Boris Germeau, MD; et al.
open access
JAMA Cardiol. 2021;6(6):669-677. doi:10.1001/jamacardio.2021.0064
This study derives and validates a 4-level pretest probability rule that makes it possible to rule out pulmonary embolism solely on clinical criteria and optimized D-dimer measurement to safely decrease imaging testing for suspected pulmonary embolism.
Jawad H. Butt, MD; Kieran F. Docherty, MBChB; Mark C. Petrie, MBChB, PhD; et al.
free access
JAMA Cardiol. 2021;6(6):678-689. doi:10.1001/jamacardio.2021.0379
This prespecified secondary analysis of a randomized clinical trial investigates the efficacy and safety of dapagliflozin compared with placebo in men and women with heart failure with reduced ejection fraction enrolled in the Dapagliflozin and Prevention of Adverse Outcomes in Heart Failure trial.
Ambarish Pandey, MD, MSCS; Anurag Mehta, MD; Amanda Paluch, PhD; et al.
free access
JAMA Cardiol. 2021;6(6):690-696. doi:10.1001/jamacardio.2021.0948
This cohort study examines the addition of self-reported leisure-time physical activity to pooled cohort equations in risk prediction models of atherosclerotic cardiovascular disease.
Mohit K. Turagam, MD; Daniel Musikantow, MD; William Whang, MD; et al.
free access
JAMA Cardiol. 2021;6(6):697-705. doi:10.1001/jamacardio.2021.0852
This systematic review and meta-analysis of 6 randomized clinical trials evaluates the safety and efficacy of atrial fibrillation ablation as first-line therapy compared with antiarrhythmic drugs in patients with paroxysmal atrial fibrillation.