Abstract
BackgroundLimited data are available on the impact of fasting plasma glucose (FPG) on outcomes in nondiabetic acute ischemic stroke patients. MethodsThe prospective, multi-center, and observational study was performed at 8 hospitals in the Liaoning Province between 2015-2016, sought to elucidate the relationship between FPG and the 6-month functional outcomes in nondiabetic acute ischemic stroke patients. The primary effect measure was the adjusted odds ratio for a shift in the direction of unfavorable outcome on the modified Rankin Scale (mRS) score at 6 months, estimated with an ordinal logistic regression, and adjusted for common prognostic factors. Finally, we employed a restricted cubic spline function of linear model to characterize concentration-response (C-R) relationships between FPG and outcomes. ResultsA total of 1260 consecutive patients were enrolled, 48.9% of patients had FPG levels >6.1mmol/L. A total of 282 (22.4%) patients achieved an unfavorable neurologic outcome. Patients achieving an unfavorable neurologic outcome had significantly higher levels of FPG than those achieving a favorable neurologic outcome (6.47mmol/L versus 7.02 mmol/L). FPG was significantly related to an unfavorable neurologic outcome in nondiabetic acute ischemic stroke patients. The C-R curve showed a nonlinear relation between FPG and 6-month mRS with the nadir at 5.9mmol/L. Moreover, the likelihood of unfavorable outcome increased by 8.5% for each 1mmol/L increase in FPG. ConclusionsEarly identification and prompt hyperglycemia management should be considered to improve the functional outcomes during the early poststroke stage.
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