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Sex-Related 30-Day and Long-Term Mortality in Acute Myocardial Infarction Patients Treated with Percutaneous Coronary Intervention.
Journal of Women's Health 2017 April
BACKGROUND: The data on sex as an independent risk factor for death in acute myocardial infarction (MI) patients are still contrasting. The aim was to assess how sex influences 30-day and long-term all-cause mortality in MI patients undergoing percutaneous coronary intervention (PCI).
MATERIALS AND METHODS: Data from 3624 MI patients undergoing PCI at our institution from January 2009 to December 2014, 30.6% were women, were analyzed. A propensity-matched analysis was performed to adjust for differences in the baseline characteristics between men and women. The effect of sex on 30-day and long-term mortality was observed. Multivariate logistic regression modeling was used for 30-day mortality and Cox regression analysis for long-term mortality. The median follow-up time was 27 months (25th, 75th percentile: 9, 48).
RESULTS: Women had a significantly higher unadjusted 30-day (5.9% in men vs. 9.5% in women; p < 0.0001) and long-term mortality (13.5% in men vs. 19.0% in women; p < 0.0001). In a propensity-matched analysis, female sex was not associated with a higher 30-day (adjusted odds ratio: 1.46; 95% confidence interval: 0.97-2.19) or long-term mortality (hazard ratio 1.02; 95% CI 0.81-1.28). Age older than 77 years, cardiogenic shock, PCI of left anterior descending artery (LAD), thrombolysis in myocardial infarction (TIMI) flow less than 3 after PCI, hypertension, dyslipidemia, and P2Y12 receptor antagonists were identified as independent predictors of 30-day and long-term mortality. In addition, renal failure requiring dialysis predicted long-term mortality.
CONCLUSION: Older age, comorbidities, worse clinical presentation, and adjunctive pharmacotherapy rather than sex may explain the higher mortality rate in women with MI undergoing PCI.
MATERIALS AND METHODS: Data from 3624 MI patients undergoing PCI at our institution from January 2009 to December 2014, 30.6% were women, were analyzed. A propensity-matched analysis was performed to adjust for differences in the baseline characteristics between men and women. The effect of sex on 30-day and long-term mortality was observed. Multivariate logistic regression modeling was used for 30-day mortality and Cox regression analysis for long-term mortality. The median follow-up time was 27 months (25th, 75th percentile: 9, 48).
RESULTS: Women had a significantly higher unadjusted 30-day (5.9% in men vs. 9.5% in women; p < 0.0001) and long-term mortality (13.5% in men vs. 19.0% in women; p < 0.0001). In a propensity-matched analysis, female sex was not associated with a higher 30-day (adjusted odds ratio: 1.46; 95% confidence interval: 0.97-2.19) or long-term mortality (hazard ratio 1.02; 95% CI 0.81-1.28). Age older than 77 years, cardiogenic shock, PCI of left anterior descending artery (LAD), thrombolysis in myocardial infarction (TIMI) flow less than 3 after PCI, hypertension, dyslipidemia, and P2Y12 receptor antagonists were identified as independent predictors of 30-day and long-term mortality. In addition, renal failure requiring dialysis predicted long-term mortality.
CONCLUSION: Older age, comorbidities, worse clinical presentation, and adjunctive pharmacotherapy rather than sex may explain the higher mortality rate in women with MI undergoing PCI.
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