Aims: We aim to investigate the association between different types of statins, in particular simvastatin and atorvastatin, and long-term mortality after percutaneous coronary intervention (PCI). Methods and results: Between 2000 and 2005, a prospective cohort was constituted of 5,647 patients who underwent PCI. Type and doses of statin use were collected after the PCI procedure. Survival status was obtained from municipal civil registries. The primary endpoint was all-cause mortality. Secondary endpoints were cardiac and cancer mortality. Median follow-up was 5.0 years (range three to nine years). During follow- up 738 patients (13.1%) died. In total, 4,970 patients (88%) were on statin therapy four weeks after PCI of whom the majority used either atorvastatin (34%) or simvastatin (29%). Cumulative survival rates at eight years in the atorvastatin group were 83%, and 79% in the simvastatin group (log-rank, p=0.004). After adjustment, statin use was associated with a 50% mortality reduction (HR 0.49, 95%CI 0.40-0.59) and atorvastatin use was associated with lower total mortality than simvastatin use (adjusted HR 0.77, 95% CI 0.61-0.97). This was largely driven by cancer mortality (adjusted HR 0.59, 95%CI 0.38-0.91). Conclusions: In patients undergoing PCI the use of statins is associated with reduced mortality during prolonged follow-up. Patients using atorvastatin had a 23% lower mortality than those using simvastatin.

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Keywords Bare metal stent, Drug-eluting stent, Epidemiology
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Journal EuroIntervention
Eindhoven, J.A, Onuma, Y, Oemrawsingh, R.M, Daemen, J, van Nierop, J.W.I, de Jaegere, P.P.T, … van Domburg, R.T. (2012). Long-term outcome after statin treatment in routine clinical practice: Results from a prospective PCI cohort study. EuroIntervention, 7(12), 1420–1427. doi:10.4244/EIJV7I12A222