期刊
MEDICINE
卷 97, 期 49, 页码 -出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/MD.0000000000013405
关键词
athletes; atrial fibrillation; general population; meta-analysis; systematic review
资金
- National Natural Science Foundation of China [81460056]
Background: Atrial fibrillation (AF) is the most common type of heart arrhythmia, but the impact of long-term, high-intensity endurance exercise on the risk of AF remains uncertain. Methods: PubMed, EMBASE, and Cochrane library databases were searched till Nov 2017 to retrieve the articles. The included studies were summarized, pooled odds ratio (OR) and its 95% confidence interval (CI) were calculated. Both fixed and random effects models were used to combine the data. Stratified and logistic meta-regression analyses were performed to explore the sources of heterogeneity across studies. Results: Nine studies including 2308 athletes and 6593 controls were eligible. Our results showed that the risk of AF was significantly higher in athletes than in general population (OR=2.34, 95% CI=1.04-5.28, Pheterogeneity<.001, I-2=92.3%). Subgroup analysis based on gender and mean age demonstrated a significantly increased risk in men (OR=4.03, 95% CI=1.73-9.42, Pheterogeneity<. 001, I-2=82.7%) and participants with mean age < 60 (OR=3.24, 95% CI=1.23-8.55, Pheterogeneity<.001, I-2=84.3%). Furthermore, subgroup analysis based on type of athletes demonstrated a significantly increased risk of AF in participants with single type of sport (OR=3.97, 95% CI=1.16-13.62, Pheterogeneity=. 018, I-2=70.4%). Results remained unchanged after performing sensitivity analysis. Meta-regression showed that gender, age, type of study, sample size, and sports mode were unrelated to heterogeneity. Conclusion: Our study confirmed that the risk of AF was significantly higher in athletes than in general population, especially among men and participants aged < 60.
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