Culprit vessel versus multivessel intervention at the time of primary percutaneous coronary intervention in patients with ST-segment-elevation myocardial infarction and multivessel disease: real-world analysis of 3984 patients in London.
936 - 943
Circ Cardiovasc Qual Outcomes
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BACKGROUND: It is estimated that up to two thirds of patients presenting with ST-segment-elevation myocardial infarction have multivessel disease. The optimal strategy for treating nonculprit disease is currently under debate. This study provides a real-world analysis comparing a strategy of culprit-vessel intervention (CVI) versus multivessel intervention at the time of primary percutaneous coronary intervention in patients with ST-segment-elevation myocardial infarction. METHODS AND RESULTS: We compared CVI versus multivessel intervention in 3984 patients with multivessel disease undergoing primary percutaneous coronary intervention between 2004 and 2011 at all 8 tertiary cardiac centers in London. Multivariable-adjusted models were built to determine independent predictors for in-hospital major adverse cardiovascular events (MACEs) and all-cause mortality at 1 year. To reduce confounding and bias, propensity score methods were used. CVI was associated with reduced in-hospital MACE (4.6% versus 7.2%; P=0.010) and mortality at 1 year (7.4% versus 10.1%; P=0.031). CVI was an independent predictor for reduced in-hospital MACE (odds ratio, 0.49; 95% confidence interval [CI], 0.32-0.75; P<0.001) and survival at 1 year (hazard ratio, 0.65; 95% CI, 0.47-0.91; P=0.011) in the complete cohort; and in 2821 patients in propensity-matched cohort (in-hospital MACE: odds ratio, 0.49; 95% CI, 0.32-0.76; P=0.002; and 1-year survival: hazard ratio, 0.64; 95% CI, 0.45-0.90; P=0.010). Inverse probability treatment weighted analyses also confirmed CVI as an independent predictor for reduced in-hospital MACE (odds ratio, 0.38; 95% CI, 0.15-0.96; P=0.040) and survival at 1 year (hazard ratio, 0.44; 95% CI, 0.21-0.93; P=0.033). CONCLUSIONS: In this observational analysis of patients with ST-segment-elevation myocardial infarction undergoing primary percutaneous coronary intervention, CVI was associated with increased survival at 1 year. Acknowledging the limitations with observational analyses, our findings support current recommended practice guidelines.
AuthorsIqbal, MB; Ilsley, C; Kabir, T; Smith, R; Lane, R; Mason, M; Clifford, P; Crake, T; Firoozi, S; Kalra, S; Knight, C; Lim, P; Malik, IS; Mathur, A; Meier, P; Rakhit, RD; Redwood, S; Whitbread, M; Bromage, D; Rathod, K; MacCarthy, P; Dalby, M; London Heart Attack Centre (HAC) Group Investigators,
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