期刊
NEUROLOGY
卷 93, 期 5, 页码 E445-E457出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1212/WNL.0000000000007853
关键词
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资金
- College of Health and Human Development, Penn State University
- Department of Nutritional Sciences, Penn State University
- Institute for CyberScience Seed Grant Program, Penn State University
Objective To prospectively examine the association between low-density lipoprotein (LDL) cholesterol (LDL-C) concentrations and intracerebral hemorrhage (ICH) risk. Methods The current cohort study included 96,043 participants (mean age 51.3 years) who were free of stroke, myocardial infarction, and cancer at baseline (2006). Serum LDL-C concentrations were assessed in 2006, 2008, 2010, and 2012. Cumulative average LDL-C concentrations were calculated from all available LDL-C data during that period. Incident ICH was confirmed by review of medical records. Results We identified 753 incident ICH cases during 9 years of follow-up. The ICH risk was similar among participants with LDL concentrations of 70 to 99 mg/dL and those with LDL-C concentrations >= 100 mg/dL. In contrast, participants with LDL-C concentrations <70 mg/dL had a significantly higher risk of developing ICH than those with LDL-C concentrations of 70 to 99 mg/dL; adjusted hazard ratios were 1.65 (95% confidence interval [CI] 1.32-2.05) for LDL-C concentrations of 50 to 69 mg/dL and 2.69 (95% CI 2.03-3.57) for LDL-C concentrations <50 mg/dL. Conclusions We observed a significant association between lower LDL-C and higher risk of ICH when LDLC was <70 mg/dL, and the association became nonsignificant when LDL-C >= 70 mg/dL. These data can help determination of the ideal LDL range in patients who are at increased risk of both atherosclerotic disease and hemorrhagic stroke and guide planning of future lipid-lowering studies.
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