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Statin, cholesterol, and sICH after acute ischemic stroke: systematic review and meta-analysis

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Abstract

Background and purpose

Conflicts exist regarding relationship between prior/new statin use, cholesterol, and early poststroke intracranial hemorrhage (ICH) in acute ischemic stroke (AIS) patients. This meta-analysis is aimed at evaluating the safety of prior/new statin use, cholesterol level and risk of ICH in AIS patients.

Methods

We searched PubMed and Embase for studies examining relation between statin use, cholesterol level, and early poststroke ICH in AIS. Included studies should report risk of early poststroke symptomatic ICH (sICH) or overall ICH. A random-effects model was used to pool the data.

Results

Twenty-five articles involving 26,327 participants were included, among whom 925 had sICH. Prior statin use was not associated with overall ICH (adjusted odds ratio (OR), 1.478; 95% confidence interval (CI), 0.924–2.362; p = 0.103) and sICH in patients who received thrombolysis (adjusted OR, 1.567; 95% CI, 0.994–2.471; p = 0.053) or overall ICH in patients, most of whom had not received recanalization therapy (crude OR, 1.342; 95% CI, 0.872–2.065; p = 0.181). New statin use was associated with decreased sICH after recanalization therapy (crude OR, 0.292; 95% CI, 0.168–0.507; p < 0.001).Cholesterol level was not associated with overall ICH.

Conclusion

Prior/new statin use and lower cholesterol level are not risk factors for sICH and overall ICH in AIS patients, whether or not the patient has received recanalization therapy. New statin use is likely associated with decreased sICH.

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Funding

Lifen Chen received a grant from the National Natural Science Foundation of China (grant number: 81771391).

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Author notes

  1. Changhong Tan and Xi Liu contributed equally to this work.

Authors and Affiliations

  1. Department of Neurology, The Second Affiliated Hospital of Chongqing Medical University, 74 Linjiang Road, Yuzhong District, Chongqing, 400010, China

    Changhong Tan, Xi Liu, Lijuan Mo, Xin Wei, Wuxue Peng, Hui Wang, Wen Zhou, Jin Jiang, Yangmei Chen & Lifen Chen

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  1. Changhong Tan
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Tan, C., Liu, X., Mo, L. et al. Statin, cholesterol, and sICH after acute ischemic stroke: systematic review and meta-analysis. Neurol Sci 40, 2267–2275 (2019). https://doi.org/10.1007/s10072-019-03995-0

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