• J. Cardiovasc. Electrophysiol. · Dec 2020

    Multicenter Study Observational Study

    Outcomes and mortality associated with atrial arrhythmias among patients hospitalized with COVID-19.

    • Bradley Peltzer, Kevin K Manocha, Xiaohan Ying, Jared Kirzner, James E Ip, George Thomas, Christopher F Liu, Steven M Markowitz, Bruce B Lerman, Monika M Safford, Parag Goyal, and Jim W Cheung.
    • Department of Medicine, Weill Cornell Medicine-New York Presbyterian Hospital, New York, New York, USA.
    • J. Cardiovasc. Electrophysiol. 2020 Dec 1; 31 (12): 3077-3085.

    IntroductionThe impact of atrial arrhythmias on coronavirus disease 2019 (COVID-19)-associated outcomes are unclear. We sought to identify prevalence, risk factors and outcomes associated with atrial arrhythmias among patients hospitalized with COVID-19.MethodsAn observational cohort study of 1053 patients with severe acute respiratory syndrome coronavirus 2 infection admitted to a quaternary care hospital and a community hospital was conducted. Data from electrocardiographic and telemetry were collected to identify atrial fibrillation (AF) or atrial flutter/tachycardia (AFL). The association between atrial arrhythmias and 30-day mortality was assessed with multivariable analysis.ResultsMean age of patients was 62 ± 17 years and 62% were men. Atrial arrhythmias were identified in 166 (15.8%) patients, with AF in 154 (14.6%) patients and AFL in 40 (3.8%) patients. Newly detected atrial arrhythmias occurred in 101 (9.6%) patients. Age, male sex, prior AF, renal disease, and hypoxia on presentation were independently associated with AF/AFL occurrence. Compared with patients without AF/AFL, patients with AF/AFL had significantly higher levels of troponin, B-type natriuretic peptide, C-reactive protein, ferritin and d-dimer. Mortality was significantly higher among patients with AF/AFL (39.2%) compared to patients without (13.4%; p < .001). After adjustment for age and co-morbidities, AF/AFL (adjusted odds ratio [OR]: 1.93; p = .007) and newly detected AF/AFL (adjusted OR: 2.87; p < .001) were independently associated with 30-day mortality.ConclusionAtrial arrhythmias are common among patients hospitalized with COVID-19. The presence of AF/AFL tracked with markers of inflammation and cardiac injury. Atrial arrhythmias were independently associated with increased mortality.© 2020 Wiley Periodicals LLC.

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