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  • Title: Efficacy of high-dose atorvastatin loading before primary percutaneous coronary intervention in ST-segment elevation myocardial infarction: the STATIN STEMI trial.
    Author: Kim JS, Kim J, Choi D, Lee CJ, Lee SH, Ko YG, Hong MK, Kim BK, Oh SJ, Jeon DW, Yang JY, Cho JR, Lee NH, Cho YH, Cho DK, Jang Y.
    Journal: JACC Cardiovasc Interv; 2010 Mar; 3(3):332-9. PubMed ID: 20298994.
    Abstract:
    OBJECTIVES: This study sought to determine the efficacy of high-dose atorvastatin in patients with ST-segment elevation myocardial infarction (STEMI) undergoing primary percutaneous coronary intervention (PCI). BACKGROUND: Previous randomized trials have demonstrated that statin pre-treatment reduced major adverse cardiac events (MACEs) in patients with stable angina pectoris and acute coronary syndrome. However, no randomized studies have been carried out with STEMI patients in a primary PCI setting. METHODS: A total 171 patients with STEMI were randomized to 80-mg atorvastatin (n = 86) or 10-mg atorvastatin (n = 85) arms for pre-treatment before PCI. All patients were prescribed clopidogrel (600 mg) before PCI. After PCI, both groups were treated with atorvastatin (10 mg). The primary end point was 30-day incidence of MACE including death, nonfatal MI, and target vessel revascularization. Secondary end points included corrected thrombolysis in myocardial infarction frame count, myocardial blush grade, and ST-segment resolution at 90 min after PCI. RESULTS: MACE occurred in 5 (5.8%) and 9 (10.6%) patients in the 80-mg and 10-mg atorvastatin pre-treatment arms, respectively (p = 0.26). Corrected thrombolysis in myocardial infarction frame count was lower in the 80-mg atorvastatin arm (26.9 +/- 12.3 vs. 34.1 +/- 19.0, p = 0.01). Myocardial blush grade and ST-segment resolution were also higher in the 80-mg atorvastatin arm (2.2 +/- 0.8 vs. 1.9 +/- 0.8, p = 0.02 and 61.8 +/- 26.2 vs. 50.6 +/- 25.8%, p = 0.01). CONCLUSIONS: High-dose atorvastatin pre-treatment before PCI did not show a significant reduction of MACEs compared with low-dose atorvastatin but did show improved immediate coronary flow after primary PCI. High-dose atorvastatin may produce an optimal result for STEMI patients undergoing PCI by improving microvascular myocardial perfusion. (Efficacy of High-Dose AtorvaSTATIN Loading Before Primary Percutaneous Coronary Intervention in ST-Elevation Myocardial Infarction [STATIN STEMI]; NCT00808717).
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