Physical activity and the risk of sudden cardiac death: a systematic review and meta-analysis of prospective studies
Abstract Background Physical activity has been associated with a significant reduction in risk of sudden cardiac death in epidemiological studies, however, the strength of the association needs clarification. We conducted a systematic review and meta-analysis to summarize the available data from pop...
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doaj-77f3b4a01d2c4176a7418204498b05172020-11-25T03:59:35ZengBMCBMC Cardiovascular Disorders1471-22612020-07-0120111310.1186/s12872-020-01531-zPhysical activity and the risk of sudden cardiac death: a systematic review and meta-analysis of prospective studiesDagfinn Aune0Sabrina Schlesinger1Mark Hamer2Teresa Norat3Elio Riboli4Department of Epidemiology and Biostatistics, School of Public Health, Imperial CollegeInstitute for Biometry and Epidemiology, German Diabetes Center, Leibniz Institute for Diabetes Research at the Heinrich-Heine-University DüsseldorfInstitute Sport Exercise & Health, Division Surgery Interventional Science, Institute Sport Exercise & Health, Division Surgery Interventional ScienceDepartment of Epidemiology and Biostatistics, School of Public Health, Imperial CollegeDepartment of Epidemiology and Biostatistics, School of Public Health, Imperial CollegeAbstract Background Physical activity has been associated with a significant reduction in risk of sudden cardiac death in epidemiological studies, however, the strength of the association needs clarification. We conducted a systematic review and meta-analysis to summarize the available data from population-based prospective studies. Methods PubMed and Embase databases were searched for studies of physical activity and sudden cardiac death from inception to March 26th 2019. Prospective studies reporting adjusted relative risk (RR) estimates and 95% confidence intervals (CIs) of sudden cardiac death associated with physical activity were included. A random effects model was used to estimate summary RRs (95% CIs). Results Thirteen prospective studies were included in the systematic review. Eight prospective studies with 1193 sudden cardiac deaths among 136,298 participants were included in the meta-analysis of physical activity and sudden cardiac death and the summary RR for highest vs. lowest level of physical activity was 0.52 (95% CI: 0.45–0.60, I2 = 0%, pheterogeneity = 0.72). The association was similar in men and women and among American and European studies. In the dose-response analysis the summary RR was 0.68 (95% CI: 0.55–0.86, I2 = 44%, n = 3) per 20 MET-hours/week. Although the test for nonlinearity was not significant, pnonlinearity = 0.18, there was no further reduction in risk beyond 20–25 MET-hours/week. The summary RR was 0.58 (95% CI: 0.41–0.81, I2 = 0%, pheterogeneity = 0.65, n = 2) for the highest vs. the lowest level of cardiorespiratory fitness. Conclusion This meta-analysis suggest that a high compared to a low level of physical activity may reduce the risk of sudden cardiac death in the general population. Further studies are needed to clarify the dose-response relationship between specific subtypes and intensities of physical activity in relation to sudden cardiac death.http://link.springer.com/article/10.1186/s12872-020-01531-zPhysical activityCardiorespiratory fitnessSudden cardiac deathSystematic reviewMeta-analysis |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Dagfinn Aune Sabrina Schlesinger Mark Hamer Teresa Norat Elio Riboli |
spellingShingle |
Dagfinn Aune Sabrina Schlesinger Mark Hamer Teresa Norat Elio Riboli Physical activity and the risk of sudden cardiac death: a systematic review and meta-analysis of prospective studies BMC Cardiovascular Disorders Physical activity Cardiorespiratory fitness Sudden cardiac death Systematic review Meta-analysis |
author_facet |
Dagfinn Aune Sabrina Schlesinger Mark Hamer Teresa Norat Elio Riboli |
author_sort |
Dagfinn Aune |
title |
Physical activity and the risk of sudden cardiac death: a systematic review and meta-analysis of prospective studies |
title_short |
Physical activity and the risk of sudden cardiac death: a systematic review and meta-analysis of prospective studies |
title_full |
Physical activity and the risk of sudden cardiac death: a systematic review and meta-analysis of prospective studies |
title_fullStr |
Physical activity and the risk of sudden cardiac death: a systematic review and meta-analysis of prospective studies |
title_full_unstemmed |
Physical activity and the risk of sudden cardiac death: a systematic review and meta-analysis of prospective studies |
title_sort |
physical activity and the risk of sudden cardiac death: a systematic review and meta-analysis of prospective studies |
publisher |
BMC |
series |
BMC Cardiovascular Disorders |
issn |
1471-2261 |
publishDate |
2020-07-01 |
description |
Abstract Background Physical activity has been associated with a significant reduction in risk of sudden cardiac death in epidemiological studies, however, the strength of the association needs clarification. We conducted a systematic review and meta-analysis to summarize the available data from population-based prospective studies. Methods PubMed and Embase databases were searched for studies of physical activity and sudden cardiac death from inception to March 26th 2019. Prospective studies reporting adjusted relative risk (RR) estimates and 95% confidence intervals (CIs) of sudden cardiac death associated with physical activity were included. A random effects model was used to estimate summary RRs (95% CIs). Results Thirteen prospective studies were included in the systematic review. Eight prospective studies with 1193 sudden cardiac deaths among 136,298 participants were included in the meta-analysis of physical activity and sudden cardiac death and the summary RR for highest vs. lowest level of physical activity was 0.52 (95% CI: 0.45–0.60, I2 = 0%, pheterogeneity = 0.72). The association was similar in men and women and among American and European studies. In the dose-response analysis the summary RR was 0.68 (95% CI: 0.55–0.86, I2 = 44%, n = 3) per 20 MET-hours/week. Although the test for nonlinearity was not significant, pnonlinearity = 0.18, there was no further reduction in risk beyond 20–25 MET-hours/week. The summary RR was 0.58 (95% CI: 0.41–0.81, I2 = 0%, pheterogeneity = 0.65, n = 2) for the highest vs. the lowest level of cardiorespiratory fitness. Conclusion This meta-analysis suggest that a high compared to a low level of physical activity may reduce the risk of sudden cardiac death in the general population. Further studies are needed to clarify the dose-response relationship between specific subtypes and intensities of physical activity in relation to sudden cardiac death. |
topic |
Physical activity Cardiorespiratory fitness Sudden cardiac death Systematic review Meta-analysis |
url |
http://link.springer.com/article/10.1186/s12872-020-01531-z |
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