Abstract

A high fibrinogen-to-albumin ratio (FAR), a novel inflammatory marker, is considered to be a prognostic marker in vascular diseases. However, the association of FAR with large artery atherosclerosis (LAA) stroke is still unknown. This study was conducted to evaluate the association between FAR levels and clinical outcomes in patients with acute LAA stroke. A total of 809 patients within 72 hours of LAA stroke were included and followed up to 1 year. FAR was calculated as fibrinogen (g/L)/albumin (g/L). The associations of FAR with clinical outcomes were assessed by multivariate Cox regression or logistic regression analysis. Clinical outcomes included stroke recurrence, all-cause death, poor functional outcome (modified Rankin Scale score 3-6), and dependence (modified Rankin Scale score 3-5). Among the 809 patients with acute LAA stroke, the median FAR was 0.075 (interquartile range, 0.064-0.087). At 1 year, 103 (12.7%) patients had stroke recurrence, 105 (13.0%) had poor functional outcome, 76 (9.8%) had dependence, and 29 (3.6%) had died. After adjusting for all confounding risk factors, a high FAR level was associated with stroke recurrence (hazard ratio, 2.57 [95% CI, 1.32-5.02]), poor functional outcome (odds ratio, 3.30 [95% CI, 1.57-6.94]), and dependence (odds ratio, 3.49 [95% CI, 1.49-8.19]). A high FAR level was associated with an increased risk of stroke recurrence, poor functional outcome, and dependence in patients with acute LAA stroke.

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