CNS neuroscience & therapeutics · 2025
Associations of Estimated Glucose Disposal Rate With Stroke Risk and Poststroke Adverse Outcomes: A Prospective Cohort Study.
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Huang Xiaxuan, Dong Peina, Xu Yixian, Ling Yitong, Tan Shanyuan, Bai Zihong, Shen Si, Lyu Jun, Wang Hao
Аннотация
AIMS: This study investigated the relationship between estimated glucose disposal rate (eGDR), a validated marker of insulin resistance, and stroke subtypes and poststroke outcomes. Despite eGDR's established role in predicting cardiovascular outcomes, its impact on stroke risk and prognosis has not been fully explored.
METHODS: This study included 462,550 participants from the UK Biobank with eGDR assessments, and participants were stratified into three categories based on tertiles of eGDR. The primary outcomes were stroke and its subtypes (ischemic and hemorrhagic stroke). Cox proportional hazard models and restricted cubic spline regression were used to analyze associations between eGDR and outcomes. Secondary analyses investigated poststroke adverse events (depression, disability, epilepsy, and delirium). Mediation analyses were conducted to explore the underlying mechanisms driven by inflammatory markers, eGDR, and stroke.
RESULTS: During a median follow-up of 13.9 years, 12,325 stroke cases were recorded. Compared to the lowest eGDR tertile (< 6.525 mg/kg/min), individuals in the highest tertile (> 8.494 mg/kg/min) demonstrated a significantly reduced risk of stroke (HR = 0.53, 95% CI: 0.50-0.56), particularly ischemic stroke (HR = 0.53, 95% CI: 0.50-0.57). Higher eGDR levels were also associated with a decreased risk of poststroke adverse outcomes (HR = 0.83, 95% CI: 0.73-0.94), with similar risk estimates observed for depression, disability, epilepsy, and delirium. Furthermore, inflammatory markers partially mediated the relationship between eGDR and stroke risk.
CONCLUSIONS: Elevated eGDR levels were associated with decreased risks of stroke and poststroke adverse outcomes. These findings suggest improving insulin sensitivity, as reflected by higher eGDR, maybe a potential therapeutic target for stroke prevention or stroke rehabilitation.
METHODS: This study included 462,550 participants from the UK Biobank with eGDR assessments, and participants were stratified into three categories based on tertiles of eGDR. The primary outcomes were stroke and its subtypes (ischemic and hemorrhagic stroke). Cox proportional hazard models and restricted cubic spline regression were used to analyze associations between eGDR and outcomes. Secondary analyses investigated poststroke adverse events (depression, disability, epilepsy, and delirium). Mediation analyses were conducted to explore the underlying mechanisms driven by inflammatory markers, eGDR, and stroke.
RESULTS: During a median follow-up of 13.9 years, 12,325 stroke cases were recorded. Compared to the lowest eGDR tertile (< 6.525 mg/kg/min), individuals in the highest tertile (> 8.494 mg/kg/min) demonstrated a significantly reduced risk of stroke (HR = 0.53, 95% CI: 0.50-0.56), particularly ischemic stroke (HR = 0.53, 95% CI: 0.50-0.57). Higher eGDR levels were also associated with a decreased risk of poststroke adverse outcomes (HR = 0.83, 95% CI: 0.73-0.94), with similar risk estimates observed for depression, disability, epilepsy, and delirium. Furthermore, inflammatory markers partially mediated the relationship between eGDR and stroke risk.
CONCLUSIONS: Elevated eGDR levels were associated with decreased risks of stroke and poststroke adverse outcomes. These findings suggest improving insulin sensitivity, as reflected by higher eGDR, maybe a potential therapeutic target for stroke prevention or stroke rehabilitation.