C Lei1, B Wu, M Liu, Y Chen. 1. Stroke Clinical Research Unit, Department of Neurology, West China Hospital, Sichuan University, Chengdu, Sichuan Province, China.
Abstract
BACKGROUND AND PURPOSE: Accumulating evidence suggests that statins exert neuroprotective effects, but whether their use affects the outcomes of intracerebral hemorrhage (ICH) remains controversial. Therefore, we performed a systematic review and meta-analysis to investigate whether statin use before spontaneous ICH affects unfavorable functional outcome or mortality. METHODS: We searched the Cochrane Library, MEDLINE, EMBASE and China National Knowledge Infrastructure databases for studies examining the effects of pre-ICH statin use on unfavorable functional outcome, mortality or neuroimaging outcomes in consecutively recruited patients with spontaneous ICH, regardless of the duration or dose of statin treatment. RESULTS: A total of 12 studies were included that examined the effects of pre-ICH statin use on post-ICH outcomes in 1652 subjects in the favors pre-statin group and 5309 in the favors no pre-ICH statin group. Meta-analysis of 11 studies suggested that pre-ICH statin use did not significantly affect mortality across all three time points tested [in-hospital, 30 days, 90 days; odds ratio (OR) 0.85, 95% confidence interval (CI) 0.70-1.03]. However, meta-analysis of seven studies showed that pre-ICH statin use did significantly decrease 90-day mortality (OR 0.72, 95% CI 0.59-0.88). Meta-analysis of six studies showed that pre-ICH statin use was not associated with significant changes in unfavorable functional outcome. Moreover, pre-ICH statin use did not significantly affect admission hematoma volume (standardized mean difference 7.75, 95% CI -5.59 to 21.09). CONCLUSION: Available evidence suggests that statin use before spontaneous ICH does not increase short-term mortality, unfavorable functional outcome or post-ICH hematoma volume at admission.
BACKGROUND AND PURPOSE: Accumulating evidence suggests that statins exert neuroprotective effects, but whether their use affects the outcomes of intracerebral hemorrhage (ICH) remains controversial. Therefore, we performed a systematic review and meta-analysis to investigate whether statin use before spontaneous ICH affects unfavorable functional outcome or mortality. METHODS: We searched the Cochrane Library, MEDLINE, EMBASE and China National Knowledge Infrastructure databases for studies examining the effects of pre-ICH statin use on unfavorable functional outcome, mortality or neuroimaging outcomes in consecutively recruited patients with spontaneous ICH, regardless of the duration or dose of statin treatment. RESULTS: A total of 12 studies were included that examined the effects of pre-ICH statin use on post-ICH outcomes in 1652 subjects in the favors pre-statin group and 5309 in the favors no pre-ICH statin group. Meta-analysis of 11 studies suggested that pre-ICH statin use did not significantly affect mortality across all three time points tested [in-hospital, 30 days, 90 days; odds ratio (OR) 0.85, 95% confidence interval (CI) 0.70-1.03]. However, meta-analysis of seven studies showed that pre-ICH statin use did significantly decrease 90-day mortality (OR 0.72, 95% CI 0.59-0.88). Meta-analysis of six studies showed that pre-ICH statin use was not associated with significant changes in unfavorable functional outcome. Moreover, pre-ICH statin use did not significantly affect admission hematoma volume (standardized mean difference 7.75, 95% CI -5.59 to 21.09). CONCLUSION: Available evidence suggests that statin use before spontaneous ICH does not increase short-term mortality, unfavorable functional outcome or post-ICH hematoma volume at admission.
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