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Title: Influence of gender on ischemic times and outcomes after ST-elevation myocardial infarction. Author: Velders MA, Boden H, van Boven AJ, van der Hoeven BL, Heestermans AA, Cannegieter SC, Umans VA, Jukema JW, Hofma SH, Schalij MJ. Journal: Am J Cardiol; 2013 Feb 01; 111(3):312-8. PubMed ID: 23159214. Abstract: Previous studies investigating the influence of gender on ST-segment elevation myocardial infarction have reported conflicting results. The aim of this study was to assess the influence of gender on ischemic times and outcomes after ST-segment elevation myocardial infarction in patients treated with primary percutaneous coronary intervention in modern practice. The present multicenter registry included consecutive patients with ST-segment elevation myocardial infarctions treated with primary percutaneous coronary intervention at 3 hospitals. Adjusted mortality rates were calculated using Cox proportional-hazards analyses. In total, 3,483 patients were included, of whom 868 were women (25%). Women were older, had a higher risk factor burden, and more frequently had histories of malignancy. Men more often had cardiac histories and peripheral vascular disease. Ischemic times were longer in women (median 192 minutes [interquartile range 141 to 286] vs 175 minutes [interquartile range 128 to 279] in men, p = 0.002). However, multivariate linear regression showed that this was due to age and co-morbidity. All-cause mortality was higher at 7 days (6.0% in women vs 3.0% in men, p <0.001) and at 1 year (9.9% in women vs 6.6% in men, p = 0.001). After adjustment, female gender predicted 7 day all-cause mortality (hazard ratio 1.61, 95% confidence interval 1.06 to 2.46) and cardiac mortality (hazard ratio 1.58, 95% confidence interval 1.03 to 2.42) but not 1-year mortality. Moreover, gender was an independent effect modifier for cardiogenic shock, leading to substantially worse outcomes in women. In conclusion, ischemic times remain longer in women because of age and co-morbidity. Female gender independently predicted early all-cause and cardiac mortality after primary percutaneous coronary intervention, and a strong interaction between gender and cardiogenic shock was observed.[Abstract] [Full Text] [Related] [New Search]