Low-Density #Lipoprotein Cholesterol and Risk of Hemorrhagic #stroke: a Systematic Review and Dose-Response Meta-analysis of Prospective Studies

..A previous meta-analysis of prospective studies published in 2013 showed that higher concentrations of LDL-C were associated with lower risk of hemorrhagic stroke.

..The results showed that a 10 mg/dL increase in LDL-C was associated with 3% lower risk of hemorrhagic stroke (pooled relative risk [RR] 0.97, 95% confidence interval [CI] 0.95–0.98). The association appeared to be more pronounced in Asians (pooled RR 0.95, 95% CI 0.92–0.98), relative to Caucasians (pooled RR 0.98, 95% CI 0.97–1.00), with a p heterogeneity of 0.05 between two ethnic groups. Further genetic studies and clinical trials with a stricter safety monitoring strategy are warranted to understand the underlying pathogenesis and determine the treatment target of LDL-C range with the lowest risk of hemorrhagic stroke in different population groups.

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