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

  • Nutrition (P. Kris-Etherton and K. Petersen, Section Editors)
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Abstract

Purpose of Review

To systematically examine the association between low-density lipoprotein cholesterol (LDL-C) and risk of hemorrhagic stroke.

Recent Findings

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. Recently, seven large cohort studies were published examining LDL-C and risk of hemorrhagic stroke in different populations.

Summary

Twelve prospective studies with 476,173 participants and 7587 hemorrhagic stroke cases were included in the current meta-analysis. 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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Authors and Affiliations

  1. Department of Nutritional Sciences, Pennsylvania State University, 110 Chandlee Lab, University Park, PA, 16802, USA

    Chaoran Ma, Muzi Na & Xiang Gao

  2. Eberly College of Science, Pennsylvania State University, University Park, PA, 16802, USA

    Samantha Neumann

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Ma, C., Na, M., Neumann, S. et al. Low-Density Lipoprotein Cholesterol and Risk of Hemorrhagic Stroke: a Systematic Review and Dose-Response Meta-analysis of Prospective Studies. Curr Atheroscler Rep 21, 52 (2019). https://doi.org/10.1007/s11883-019-0815-5

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