Physical Activity, Heart Rate Variability, and Ventricular Arrhythmia During the COVID-19 Lockdown: Retrospective Cohort Study.

Q2 Medicine

JMIR Cardio Pub Date : 2024-02-05 DOI:10.2196/51399

Sikander Z Texiwala, Russell J de Souza, Suzette Turner, Sheldon M Singh

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Abstract

Background: Ventricular arrhythmias (VAs) increase with stress and national disasters. Prior research has reported that VA did not increase during the onset of the COVID-19 lockdown in March 2020, and the mechanism for this is unknown.

Objective: This study aimed to report the presence of VA and changes in 2 factors associated with VA (physical activity and heart rate variability [HRV]) at the onset of COVID-19 lockdown measures in Ontario, Canada.

Methods: Patients with implantable cardioverter defibrillator (ICD) followed at a regional cardiac center in Ontario, Canada with data available for both HRV and physical activity between March 1 and 31, 2020, were included. HRV, physical activity, and the presence of VA were determined during the pre- (March 1-10, 2020) and immediate postlockdown (March 11-31) period. When available, these data were determined for the same period in 2019.

Results: In total, 68 patients had complete data for 2020, and 40 patients had complete data for 2019. Three (7.5%) patients had VA in March 2019, whereas none had VA in March 2020 (P=.048). Physical activity was reduced during the postlockdown period (mean 2.3, SD 1.6 hours vs mean 2.1, SD 1.6 hours; P=.003). HRV was unchanged during the pre- and postlockdown period (mean 91, SD 30 ms vs mean 92, SD 28 ms; P=.84).

Conclusions: VA was infrequent during the COVID-19 pandemic. A reduction in physical activity with lockdown maneuvers may explain this observation.

查看原文本刊更多论文

COVID-19 封锁期间的体力活动、心率变异性和室性心律失常：回顾性队列研究。

背景：室性心律失常（VAs）会随着压力和国家灾难而增加。先前的研究报告显示，在 2020 年 3 月 COVID-19 封锁开始时，室性心律失常并未增加，其机制尚不清楚：本研究旨在报告加拿大安大略省 COVID-19 封锁措施开始时是否存在 VA 以及与 VA 相关的两个因素（体力活动和心率变异性 [HRV]）的变化：方法：纳入加拿大安大略省一家地区心脏中心随访的植入式心律转复除颤器（ICD）患者，这些患者在 2020 年 3 月 1 日至 31 日期间有心率变异和体力活动数据。心率变异、体力活动和 VA 的存在情况是在停机前（2020 年 3 月 1 日至 10 日）和停机后（3 月 11 日至 31 日）期间确定的。如果可以获得这些数据，则对 2019 年同期的数据进行测定：共有 68 名患者拥有 2020 年的完整数据，40 名患者拥有 2019 年的完整数据。3名患者（7.5%）在2019年3月有VA，而没有人在2020年3月有VA（P=0.048）。停工后体力活动减少（平均 2.3 小时，标定值 1.6 小时 vs 平均 2.1 小时，标定值 1.6 小时；P=.003）。心率变异在封锁前和封锁后期间没有变化（平均 91，SD 30 ms vs 平均 92，SD 28 ms；P=.84）：结论：在 COVID-19 大流行期间，VA 并不常见。结论：在 COVID-19 大流行期间，VA 的发生率很低，这可能与封锁行动导致体力活动减少有关。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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