期刊
JOURNAL OF THE AMERICAN HEART ASSOCIATION
卷 7, 期 8, 页码 -出版社
WILEY
DOI: 10.1161/JAHA.117.008424
关键词
atrial fibrillation; prevention; risk factors/global assessment; risk prediction
资金
- National Heart, Lung, and Blood Institute [HHSN268201100005C, HHSN268201100006C, HHSN268201100007C, HHSN268201100008C, HHSN268201100009C, HHSN268201100010C, HHSN268201100011C, HHSN268201100012C]
- National Heart, Lung, and Blood Institute of the National Institutes of Health [F32HL134290, R01 HL126637]
- American Heart Association [16EIA26410001]
Background-The American Heart Association has defined metrics of ideal cardiovascular health known as Life's Simple 7 (LS7) to prevent cardiovascular disease. We examined the association between LS7 and incident atrial fibrillation (AF) in a biracial cohort of middle- and older-aged adults without known cardiovascular disease. Methods and Results-This analysis included 13 182 ARIC (Atherosclerosis Risk in Communities) study participants (mean baseline age 54 +/- 5.7 years; 56% women; 25% black) free of AF and cardiovascular disease. An overall LS7 score was calculated as the sum of the LS7 component scores and classified as inadequate (0-4), average (5-9), or optimal (10-14) cardiovascular health. The primary outcome was incident AF, identified primarily by ECG and hospital discharge coding of AF through December 31, 2014. A total of 2266 (17%) incident AF cases were detected over a median follow-up of 25.1 years. Compared with the inadequate category (n=1057), participants in the average (n=8629) and optimal (n=3496) categories each had a lower risk of developing AF in a multivariable Cox proportional hazards model (hazard ratio 0.59, 95% confidence interval 0.51, 0.67 for average; and hazard ratio 0.38, 95% confidence interval 0.32, 0.44 for optimal). In a similar model, a 1-point-higher LS7 score was associated with a 12% lower risk of incident AF (hazard ratio 0.88, 95% confidence interval 0.86, 0.89). Conclusions-A higher LS7 score is strongly associated with a lower risk of AF in individuals without baseline cardiovascular disease. Determining whether interventions that improve the population's cardiovascular health also reduce AF incidence is needed.
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