Abstract
Background: Current evidence shows that uric acid is a potent antioxidant whose serum concentration increases rapidly after acute ischemic stroke (AIS). Nevertheless, the relationship between serum uric acid (SUA) levels and AIS outcome remains debatable. We aimed to describe the prognostic significance of SUA in AIS. Methods: We studied 84 patients with AIS admitted to the cardiology, Hue Central Hospital from May, 2015 to October 2016. Acid uric concentration was measured at hospital arrival, day 3 and day 7. Correlated equation was constructed to analyze the association of SUA with functional outcome as assessed by the modified Rankin scale (mRS) at 30-day follow-up. Results: Mean SUA concentration at hospital arrival was (344.86±64.84 μmol/l), day 2 (323.76±57.47 μmol/l), day 3 (308.57±42.50 μmol/l) and higher than those of control group significantly (304.93±38.29 μmol/l). SUA was correlated positively with severity assessed by NIHSS and the functional dependence (mRS >2) at 30 days. Conclusions: Our findings support the hypothesis that SUA is more a marker of the magnitude of the cerebral infarction than an independent predictor of stroke outcome. Key words: acute ischemic stroke (AIS), uric acid, prognosis
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