期刊
JOURNAL OF CLINICAL MEDICINE
卷 9, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/jcm9020584
关键词
adverse clinical events; liver fibrosis; Fibrosis-4 index; atrial fibrillation
资金
- Bayer Yakuhin Ltd.
- Daiichi-Sankyo
- Astellas Pharma
- Eisai
- Sumitomo Dainippon Pharma
- MSD
- Nihon Medi-Physics
- Bristol-Meyers Squibb
- Boehringer Ingelheim
- Pfizer
Background: Liver diseases drive the development and progression of atrial fibrillation (AF). The Fibrosis-4 (FIB4) index is a non-invasive scoring method for detecting liver fibrosis, but the prognostic impact of using it for AF patients is still unknown. Herein, we evaluated using the FIB4 index as a risk assessment tool for cardiovascular events and mortality in patients with AF. Methods: We performed a post-hoc analysis of a prospective, observational multicenter study. A total of 3067 patients enrolled in a multicenter Japanese registry were grouped as first tertile (FIB4 index < 1.75, n = 1022), second tertile (1.75 <= FIB4 index < 2.51, n = 1022), and third tertile (FIB4 index >= 2.51, n = 1023). Results: The third tertile had statistically significant results: older age, lower body mass index, increased heart failure prevalence, and lower clearances of hemoglobin and creatinine (all p < 0.05). During the follow-up period, incidences of major bleeding, cardiovascular events, and all-cause mortality were significantly higher for the third tertile (all p < 0.05). After multivariate adjustment, the third tertile associated independently with cardiovascular events (HR 1.72; 95% CI 1.31-2.25) and all-cause mortality (HR 1.43; 95% CI 1.06-1.95). Adding the FIB4 index to a baseline model with CHA(2)DS(2)-VASc score improved the prediction of cardiovascular events and all-cause mortality, as shown by the significant increase in the C-statistic (all p < 0.05), net reclassification improvement (all p < 0.001), and integrated discrimination improvement (all p < 0.001). A FIB4 index >= 2.51 most strongly associated with cardiovascular events and all-cause mortality in AF patients with high CHADS(2) scores (all p < 0.001). Conclusions: The FIB4 index is independently associated with risks of cardiovascular events and all-cause mortality in AF patients.
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