Key result
Preoperative statin administration prior to carotid artery stenting was associated with a significantly lower risk of stroke (OR 0.39; 95% CI 0.27-0.58; p<0.01) and death at 30 days.
Why the study?
Does preoperative statin administration reduce periprocedural adverse events (stroke, TIA, MI, and death) in patients undergoing carotid artery stenting?
Meta-Analysis (n=4,088)
Does preoperative statin administration reduce periprocedural adverse events (stroke, TIA, MI, and death) in patients undergoing carotid artery stenting?
Preoperative statin therapy before carotid artery stenting significantly reduces the 30-day risk of periprocedural stroke and death.
Statin pretreatment before CAS may lower periprocedural stroke and death risk; extends mixed evidence but requires dedicated RCTs before changing practice.
Purpose: To determine through meta-analysis whether administration of statins before carotid artery stenting (CAS) is associated with fewer periprocedural adverse events. Methods: All randomized and observational English-language studies of periprocedural statin administration prior to CAS that reported the outcomes of interest (stroke, transient ischemic attack, myocardial infarction, and death at 30 days) were included in a random-effects meta-analysis. The I 2 statistic was used to assess heterogeneity. Meta-regression analysis was performed to determine whether an association of statin treatment with risk of outcome events was influenced by other trial-level baseline characteristics of statin-treated and untreated patients. Results: Eleven studies comprising 4088 patients were included. Patients who received statins prior to CAS had a significantly lower risk of stroke (OR 0.39, 95% CI 0.27 to 0.58, p<0.01; I 2 =0%) and death (OR 0.30, 95% CI 0.10 to 0.96, p=0.042; I 2 =0%). Statin use was not associated with a reduced risk of transient ischemic attack or myocardial infarction. In meta-regression analysis, other trial-level baseline characteristics had no significant influence on the association of statin treatment with death or stroke. Conclusion: Statin therapy prior to CAS is associated with decreased risk of perioperative stroke and death without any effect on the rates of transient ischemic attack or myocardial infarction.
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Texakalidis et al. (2018) conducted a meta-analysis in carotid artery stenting (n=4,088). Preoperative statins vs. No statins was evaluated on stroke at 30 days (OR 0.39, 95% CI 0.27-0.58, p=<0.01). Preoperative statin administration prior to carotid artery stenting was associated with a significantly lower risk of stroke (OR 0.39; 95% CI 0.27-0.58; p<0.01) and death at 30 days.
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