Describing heart rate variability in patients with chronic atrial fibrillation during hospitalization for COVID‐19

Autor: Joey Junarta, Joshua M. Riley, Behzad B. Pavri
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Journal of Arrhythmia, Vol 37, Iss 4, Pp 893-898 (2021)
Druh dokumentu: article
ISSN: 1883-2148
1880-4276
DOI: 10.1002/joa3.12569
Popis: Abstract Introduction Myriad cardiovascular manifestations have been reported with COVID‐19. We previously reported that failure of PR interval shortening with increasing heart rate (HR) in patients with COVID‐19 is associated with adverse outcomes. Here, we report on heart rate variability (HRV) and clinical outcomes in patients with chronic atrial fibrillation (cAF) hospitalized for COVID‐19. Methods A retrospective review of admitted COVID‐19 patients with cAF between 1 March 2020 to 30 June 2020 was performed. HRV in cAF was compared during pre‐COVID‐19 and COVID‐19 admissions; we selected pre‐COVID‐19 ECGs with HRs that were within 10 beats per minute of the COVID‐19 ECGs. Mean HR and each RR interval were recorded. Time‐domain measurements of HR variability were then calculated (SDSD, RMSSD, pNN50). Clinical outcomes during COVID‐19 were correlated to indices of HRV. Results A total of 184 ECGs (95 pre‐COVID‐19, 89 COVID‐19) from 38 cAF in‐patients were included. Mean age 78.6 ± 11.4 years, male 44.7%. The mean number of ECGs analyzed per patient pre‐COVID‐19 was 2.50 and during COVID‐19 was 2.34. Comparing pre‐COVID‐19 versus COVID‐19 ECGs showed: mean HR (95.9 ± 24.3 vs. 101.6 ± 22.8 BPM; P = .10), SDSD (109.0 ± 50.6 vs. 90.3 ± 37.2 ms; P
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