Mamas A Mamas1, Simon G Anderson1, Peter D O'Kane2, Bernard Keavney1, James Nolan3, Keith G Oldroyd4, Divaka Perera5, Simon Redwood5, Azfar Zaman6, Peter F Ludman7, Mark A de Belder8. 1. Manchester Heart Centre, Manchester Royal Infirmary, Manchester, UK Cardiovascular Research Group, Institute of Cardiovascular Sciences, University of Manchester, Manchester, UK. 2. Dorset Heart Centre, Royal Bournemouth Hospital, Bournemouth, UK. 3. University Hospital of North Staffordshire, Stoke-on-Trent, UK. 4. West of Scotland Heart and Lung Centre, Golden Jubilee National Hospital, Glasgow, UK. 5. Cardiovascular Division, Rayne Institute, St Thomas' Hospital Campus, King's College London, London, UK. 6. Freeman Hospital, Newcastle upon Tyne and Institute of Cellular Medicine, Newcastle University UK. 7. Queen Elizabeth Hospital, Edgbaston, Birmingham, UK. 8. The James Cook University Hospital, Middlesbrough, UK.
Abstract
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 < 0.0001) and poor LV function (EF <30%) (HR: 7.25; 95% CI: 5.87-8.96, P < 0.0001) was compared with patients with good LV function (EF >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 < 0.0001) through to the NSTEMI (HR: 5.03: 95% CI: 3.64-6.93, P < 0.0001) and STEMI (HR: 8.18: 95% CI: 5.62-11.92, P < 0.0001). CONCLUSIONS: Our data suggest a strong relationship between LV function and mortality outcomes following PCI, with worsening LV function independently predicting 30-day and longer-term mortality outcomes across all indications for PCI. We report a differential impact of LV function on mortality outcomes across different indications for PCI, with the greatest adverse prognostic association between worsening LV function and mortality outcomes observed in patients undergoing PCI in the STEMI setting. Published on behalf of the European Society of Cardiology. All rights reserved.
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 < 0.0001) and poor LV function (EF <30%) (HR: 7.25; 95% CI: 5.87-8.96, P < 0.0001) was compared with patients with good LV function (EF >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 < 0.0001) through to the NSTEMI (HR: 5.03: 95% CI: 3.64-6.93, P < 0.0001) and STEMI (HR: 8.18: 95% CI: 5.62-11.92, P < 0.0001). CONCLUSIONS: Our data suggest a strong relationship between LV function and mortality outcomes following PCI, with worsening LV function independently predicting 30-day and longer-term mortality outcomes across all indications for PCI. We report a differential impact of LV function on mortality outcomes across different indications for PCI, with the greatest adverse prognostic association between worsening LV function and mortality outcomes observed in patients undergoing PCI in the STEMI setting. Published on behalf of the European Society of Cardiology. All rights reserved.
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