Long-term mortality after primary percutaneous coronary intervention for high-risk myocardial infarction

Heart, Lung & Circulation
Neil M G SwansonChristopher M Nunn

Abstract

Primary percutaneous coronary intervention (PPCI) has evolved, including the introduction of stents and platelet glycoprotein IIb/IIIa receptor inhibitors (GPI). The effects of these changes and other variables on long-term survival for a single-centre service were studied. A prospective database of clinical and angiographic variables were kept for patients treated with PPCI in Waikato Hospital from 1996 to 2006 (n=527). This was analysed with long-term mortality data. Survival was recorded using Kaplan-Meier curves. Multivariate analysis of factors at presentation, including ethnicity was performed. 5, 8 & 10-year survival rates were 76.5% (n=274), 72.7% (n=125) & 71.0% (n=19) respectively. Increased stent (42.8% vs. 84.1%, p<0.001) and GPI (39.6% vs. 73.3%, p<0.001) use was seen between early and late stages of the study. Stent use was associated with greater 5-year survival (80.5% vs. 70.8%, p=0.02), but GPI use was not. Multivariate analysis showed stent use independently predicted reduced mortality. Age, Maori ethnicity, renal failure and cardiogenic shock predicted higher mortality. Survival after PPCI remains high long-term. Stent and GPI use significantly increased. Stent, but not GPI, use was associated with improved s...Continue Reading

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Citations

Apr 20, 2013·European Journal of Cardiovascular Nursing : Journal of the Working Group on Cardiovascular Nursing of the European Society of Cardiology·Robyn A ClarkAndrew M Tonkin

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