• Eliano Pio Navarese, Mariusz Kowalewski, Felicita Andreotti, Marleen van Wely, Cyril Camaro, Michalina Kolodziejczak, Bartosz Gorny, Jeffrey Wirianta, Jacek Kubica, Malte Kelm, Menko-Jan de Boer, and Harry Suryapranata.
• Department of Cardiology, Radboud University Nijmegen Medical Center, Nijmegen, The Netherlands; Department of Cardiology and Internal Medicine, Ludwik Rydygier Collegium Medicum, Nicolaus Copernicus Univeristy, Bydgoszcz, Poland; Systematic Investigation and Research on Interventions and Outcomes (SIRIO) MEDICINE Research Network. Electronic address: eliano.navarese@alice.it.
• Am. J. Cardiol. 2014 May 15; 113 (10): 1753-64.

AbstractPatients with acute coronary syndromes (ACSs) still experience high rates of recurrent coronary events, particularly, early in their presentation. Statins yield substantial cardiovascular benefits, but the optimal timing of their administration, before or after percutaneous coronary intervention (PCI), remains unclear. We aimed to perform a meta-analysis of randomized controlled trials of statin administration before or after PCI versus no statin or low-dose statin in patients with ACS. Primary end points were 30-day all-cause mortality and 30-day myocardial infarction (MI) stratified by pre- and post-PCI statin administration. Secondary end points were major adverse cardiac events (MACEs) or major adverse cardiac and cerebrovascular events (MACCEs). Long-term analysis beyond 30 days was also performed. Twenty randomized controlled trials enrolling 8,750 patients were included. At 30 days, the rate of MI was significantly lower in the statin group (odds ratio [OR] 0.67, 95% confidence interval [CI] 0.53 to 0.84, p = 0.0007) with a trend toward reduced mortality (p = 0.06) and significant reductions in MACE and MACCE compared with no or low-dose statin. The 30-day incidence of MI was markedly lower when statins were administered before PCI (OR 0.38, 95% CI 0.24 to 0.59, p <0.0001) rather than after PCI (p = 0.28). The direction and magnitude of the estimates for before and after PCI versus no statin or low-dose statin were sustained at long term, not reaching statistical significance for MI (OR 0.81, 95% CI 0.65 to 1.01, p = 0.06) but with significant reductions in MACE (p = 0.0002). By meta-regression, earlier statin administration correlated significantly with lower risk of MI, MACE, and MACCE at 30 days. In conclusion, the present meta-analysis indicates a time-related impact of statin therapy on clinical outcomes of patients with ACS undergoing PCI: the earlier the administration before PCI, the greater the benefits.Copyright © 2014 Elsevier Inc. All rights reserved.

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