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Abstract
Bilirubin (Bil) and uric acid (UA) are the endogenous antioxidant compounds possibly involved in the pathogenesis of ischemic stroke (IS). Our goal was to find the relationship between serum Bil and UA levels with clinical presentation and outcomes of patients suffering from IS. Forty-three patients (mean age: 71.9 years, ± 12.1; women: 48.8%) with confirmed IS were enrolled. Stroke severity was assessed by the National Institutes of Health Stroke Scale (NIHSS) after 1, 3, 5, and 10 days and functional disability was assessed three months after stroke onset using the Barthel Index (BI). Serum Bil and UA levels were measured 1, 3, 5, and 10 days after stroke. The difference between NIHSS scores from days 1 and 10 (improvement ratio) inversely correlated with the average UA serum level (r = −0.48, p < .01) but not with the average Bil level. Negative correlations were observed between the BI measured three months after stroke compared to the average Bil serum level (r = −0.5, p < .01). However, no relationship between BI and UA level was observed. Our results indicated that Bil and UA levels are poor prognostic factors for ischemic stroke.