• Sun Young Jeong, Aiyu Chen, Yi-Lin Wu, and Ming-Sum Lee.
• Department of Cardiology, Kaiser Permanente Los Angeles Medical Center, Los Angeles, CA, USA. sunyoung.jeong@kp.org.
• J Gen Intern Med. 2024 Nov 1; 39 (15): 303530413035-3041.

BackgroundPalpitations represent a common clinic complaint.ObjectiveTo explore gender and age differences in the evaluation and outcomes of patients with palpitations in outpatient settings.Design/ParticipantsThis is a retrospective observational study of 58,543 patients with no known structural cardiac disease or arrythmias presenting to primary care and cardiology clinics in an integrated health system in California with palpitations between January 2017 and December 2021. The primary and secondary endpoints were hospitalization for arrhythmia and all-cause mortality at 1 year. Multivariable logistic regression models evaluated the association between gender, age, and outcomes.ResultsMen and women were equally as likely to be started on beta-blockers (adjusted OR 0.96, 95% CI 0.90-1.02) and evaluated with electrocardiograms (adjusted OR 0.95, 95% CI 0.90-1.01) and cardiac monitors (adjusted OR 1.04, 95% CI 0.99-1.08). Patients who completed Holter or event monitors had a lower rate of hospitalization for cardiovascular disease at 1 year than those without (2.3% vs. 2.7%, p = 0.001). At 1 year, women had a lower risk of all-cause mortality (adjusted OR 0.47, 95% CI 0.35-0.64) and hospitalization for atrial fibrillation (adjusted OR 0.47, 95% CI 0.30-0.72) and arrhythmias (adjusted OR 0.73, 95% CI 0.58-0.91) compared to men. Among older women and men (≥ 80 years), there was no significant difference in 1-year all-cause mortality (adjusted OR 0.57, 95% CI 0.29-1.12), hospitalization for atrial fibrillation (adjusted OR 0.58, 95% CI 0.17-1.97), or arrhythmias (adjusted OR 1.15, 95% CI 0.12-11.07).ConclusionsThere were no gender differences in referrals for cardiac monitoring or prescriptions for beta-blockers. Women had a better prognosis with a lower risk of hospitalization for arrhythmias and death at 1 year compared to men. However, 1-year risks for mortality and hospitalization for arrythmias among older women were comparable to those of older men, underscoring the importance of considering age and gender in managing patients with palpitations.© 2024. The Author(s), under exclusive licence to Society of General Internal Medicine.

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