期刊
JOURNAL OF THE AMERICAN GERIATRICS SOCIETY
卷 68, 期 8, 页码 1698-1705出版社
WILEY
DOI: 10.1111/jgs.16452
关键词
atrial fibrillation; hip fractures; mortality; stroke; thromboembolism
资金
- Novo Nordisk Foundation [NNF170C0029800]
- Aase and Ejnar Danielsen Foundation
OBJECTIVES Patients undergoing hip fracture surgery have a 10 times increased risk of stroke compared with the general population. We aimed to evaluate the association between the CHA(2)DS(2)-VASc (congestive heart failure, hypertension, age >= 75 years, diabetes, previous stroke/TIA [transient ischemic attack]/systemic embolism (2 points), vascular disease, age 65-74 years, and female sex) score and the risk of stroke, thromboembolism, and all-cause mortality in patients with hip fracture with or without atrial fibrillation (AF). DESIGN Nationwide prospective cohort study. SETTING Danish hospitals. PARTICIPANTS Subjects were all incident hip fracture patients in Denmark age 65 years and older with surgical repair procedures between 2004 and 2016 (n = 78,096). Participants were identified using the Danish Multidisciplinary Hip Fracture Registry. MEASUREMENTS We calculated incidence rates, cumulative incidences, and hazard ratios (HRs) with 95% confidence intervals (CIs) by CHA(2)DS(2)-VASc score, stratified on AF history. RESULTS The cumulative incidence of ischemic stroke 1 year after hip fracture increased with ascending CHA(2)DS(2)-VASc score, and it was 1.9% for patients with a score of 1 and 8.6% for patients with a score above 5 in the AF group. Corresponding incidences in the non-AF group were 1.6% and 7.6%. Compared with a CHA(2)DS(2)-VASc score of 1, adjusted HRs were 5.53 (95% CI = 1.37-22.24) among AF patients and 4.91 (95% CI = 3.40-7.10) among non-AF patients with a score above 5. A dose-response-like association was observed for all cardiovascular outcomes. All-cause mortality risks and HRs were substantially higher for all CHA(2)DS(2)-VASc scores above 1 in both the AF group and the non-AF group. CONCLUSION Among patients with hip fracture, a higher CHA(2)DS(2)-VASc score was associated with increased risk of stroke, thromboembolism, and death. This finding applied both to patients with and without AF. Patients with high CHA(2)DS(2)-VASc scores had almost similar absolute risks for cardiovascular outcomes, irrespective of AF.
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