期刊
JOURNAL OF THE AMERICAN HEART ASSOCIATION
卷 6, 期 7, 页码 -出版社
WILEY
DOI: 10.1161/JAHA.117.005801
关键词
anticoagulants; atrial fibrillation; non-vitamin K oral anticoagulants; sex differences; warfarin; women
资金
- NIH/NCATS Colorado CTSI [UL1 TR001082]
- National Heart, Lung, and Blood Institute [R01 HL133343]
Background-Despite higher thromboembolism risk, women with atrial fibrillation have lower oral anticoagulation (OAC) use compared to men. The influence of the CHA(2)DS(2)-VASc score or the introduction of non-vitamin K OACs on this relationship is not known. Methods and Results-Using the PINNACLE National Cardiovascular Data Registry from 2008 to 2014, we compared the association of sex with OAC use (warfarin or non-vitamin K OACs) overall and by CHA(2)DS(2)-VASc score and examined temporal trends in OAC use by sex. Multivariable regression models assessed the association between sex and OAC use in those with CHA(2)DS(2)-VASc scores >= 2. Temporal analyses assessed changes in OAC use by sex over time. Of the 691 906 atrial fibrillation patients, 48.5% were women. Women were significantly less likely than men to use any OAC overall (56.7% versus 61.3%; P<0.001) and at all levels of CHA(2)DS(2)-VASc score (adjusted risk ratio 9% to 33% lower, all P<0.001). Compared to other thromboembolic risk factors, female sex was associated with lower use of OAC (risk ratio 0.90, 95% CI 0.90-0.91). Over time, non-vitamin K OAC use increased at a slightly higher rate in women (56.2% increase per year, 95% CI 54.6% to 57.9%) compared to men (53.6% increase per year, 95% CI 52.0% to 55.2%), yet women remained less likely to receive any OAC at all time points (P<0.001). Conclusions-Among patients with atrial fibrillation, women were significantly less likely to receive OAC at all levels of the CHA(2)DS(2)-VASc score. Despite increasing non-vitamin K OAC use, women had persistently lower rates of OAC use compared to men over time.
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