23 December 2018 : Meta-Analysis
Efficacy Evaluation of High-Dose Atorvastatin Pretreatment in Patients with Acute Coronary Syndrome: A Meta-Analysis of Randomized Controlled TrialsYanFeng Ma1BCF, ChuHan Xiang1BCEF, BuChun Zhang1ADEF*
Med Sci Monit 2018; 24: MTA9354-9363
BACKGROUND: It is unclear whether high-dose atorvastatin pretreatment benefits acute coronary syndrome (ACS) patients undergoing percutaneous coronary intervention (PCI). To clarify this issue, we performed a meta-analysis of the published literature.
MATERIAL AND METHODS: Randomized controlled trials (RCTs) assessing high-dose atorvastatin pretreatment in ACS patients undergoing PCI were enrolled. Short-term major adverse cardiac events (MACEs), changes in serum high-sensitivity C-reactive protein (hs-CRP), peak creatine kinase-myocardial band (CK-MB) level, and thrombolysis in myocardial infarction (TIMI) grade 3 flow after PCI were studied as clinical outcomes.
RESULTS: Seventeen RCTs including 10 072 patients were retrieved. High-dose atorvastatin showed greater benefits in reducing the incidence of short-term MACEs (OR 0.72; 95% CI: 0.56 to 0.94; P=0.01) and hs-CRP level (SMD –1.59; 95% CI: –2.38 to –0.80; P<0.0001) among ACS patients after PCI. No significant difference was found between the 2 groups in terms of peak CK-MB (SMD –0.34; 95% CI: –0.79 to 0.10; P=0.13) or final TIMI flow grade 3 (OR 1.31; 95% CI: 0.73 to 2.36; P=0.36) after PCI. High-dose atorvastatin therapy also was not associated with alanine aminotransferase (ALT) elevation (OR 1.95; 95% CI: 0.95 to 4.03; P=0.07).
CONCLUSIONS: The results of this meta-analysis suggest that high-dose atorvastatin pretreatment reduces the incidence of short-term MACEs and hs-CRP level without increasing drug-induced hepatotoxicity in ACS patients after PCI.
Keywords: acute coronary syndrome, percutaneous coronary intervention
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