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AIMS: Randomised trials have shown that direct stenting (DS) is associated with improved markers of reperfusion during primary percutaneous coronary intervention (PPCI) for ST elevation myocardial infarction (STEMI). However, data evaluating its impact on long-term clinical outcomes are lacking. We set out to evaluate the effect of DS on mortality in a contemporary population of patients undergoing PPCI for STEMI. METHODS: Consecutive patients undergoing PPCI for STEMI at two high-volume UK heart attack centres between September 2008- December 2010 (n=1562) were included in the analysis. Local databases were analysed for patient demographics, as well as details on PPCI strategy, including use of DS versus predilatation (PD) followed by stenting, manual thrombus aspiration (MT) and glycoprotein IIb/IIIa inhibitors (GPIs). National databases were interrogated for in-hospital, 30-day and one-year mortality. To determine the impact of PPCI strategy on one-year survival, multivariate logistic analysis was performed. RESULTS: Altogether 489 patients underwent DS (31.3%) and 1073 (68.7%) received PD prior to stenting. Patients receiving DS had reduced mortality at 30 days (2.04 versus 4.66%, p=0.01) and one year (3.27 versus 8.48%, p=0.0001). After multivariate adjustment, PD remained an independent predictor of one-year mortality (odds ratio 2.42, 95% confidence interval 1.08-5.45, p=0.032) along with age, cardiogenic shock, number of diseased vessels, and left main or proximal left anterior descending artery intervention. However, neither GPI use nor MT improved survival in either univariate or multivariate analyses. CONCLUSIONS: In a contemporary, unselected population of patients undergoing PPCI for STEMI, DS - when compared with stenting after PD - is independently predictive of improved 30-day and one-year survival.

Original publication




Journal article


Eur Heart J Acute Cardiovasc Care

Publication Date





340 - 346


Primary percutaneous coronary intervention, ST elevation myocardial infarction, direct stenting, mortality, predilatation, Female, Humans, Kaplan-Meier Estimate, Male, Middle Aged, Myocardial Infarction, Percutaneous Coronary Intervention, Prospective Studies, Stents, Treatment Outcome