Oxford University Press, European Heart Journal, 43(35), p. 3004-3012, 2014
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AIM: Between 10 and 30% of patients undergoing percutaneous coronary intervention (PCI) have left ventricular (LV) dysfunction. We investigate the association between LV function on early and late mortality outcomes in a national 'real-world' cohort undergoing PCI in the elective and acute coronary syndrome setting through analysis of the British Cardiovascular Intervention Society (BCIS) data set. METHODS AND RESULTS: The relationship between LV function and 30-day mortality in patients undergoing PCI for elective, ST-elevation myocardial infarction (STEMI) and non-ST elevation myocardial infarction (NSTEMI) indications was studied in 230 464 patients in the UK between 2006 and 2011. Abnormal LV function was an independent predictor of 30-day mortality outcomes: 30-day mortality risk for patients with moderate LV function (EF: 30-49%) (HR: 2.91; 95% CI: 2.43-3.49, P 50%). The independent prognostic impact of poor LV function on 30-day mortality increased from elective PCI (HR: 3.72: 95% CI: 2.21-6.25, P