Metabolic syndrome and stroke recurrence in Chinese ischemic stroke patients--the ACROSS-China study.

OBJECTIVE: Metabolic syndrome has emerged as a novel risk factor in cardiovascular disease due to its potential for predicting stroke in population-based studies. We investigated the relationship of metabolic syndrome with stroke recurrence. METHODS: This was a retrospective analysis of Chinese patients enrolled in the prospective Abnormal gluCose Regulation in patients with acute strOke acroSS China (ACROSS-China) study after their first ischemic stroke. Metabolic syndrome was defined using the International Diabetes Federation (IDF) criteria. Vascular risk factors were assessed. Outcome was defined as recurrence of stroke within one year after the index ischemic stroke. Cox proportional hazards regression was performed to identify potential predictors of stroke recurrence. RESULTS: The prevalence of metabolic syndrome among 2639 ischemic stroke patients was 51.35%. During the one-year follow-up, 195 strokes (7.4%) recurred. The multivariate hazard ratio (95% CI) of stroke recurrence was 1.94 (1.39-2.73) for metabolic syndrome. After adjustment for components, metabolic syndrome lost its association with stroke recurrence; in this model, high fasting plasma glucose (IDF definition) was a predictor for stroke recurrence. CONCLUSION: Metabolic syndrome may not be predictive for stroke recurrence beyond its component individual factors for Chinese ischemic stroke patients.

Abstract licence: CC BY

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