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Influence of gender on delays and early mortality in ST-segment elevation myocardial infarction: Insight from the first French Metaregistry, 2005–2012 patient-level pooled analysis

Abstract : Background - Women show greater mortality after acute myocardial infarction. We decided to investigate whether gender affects delays and impacts in-hospital mortality in a large population.

Methods and results - We performed a patient-level analysis of 7 French MI registries from different regions from January 2005 to December 2012. All patients with acute STEMI were included within 12 h from symptom onset and a first medical contact with a mobile intensive care unit an emergency department of a hospital with percutaneous coronary intervention facility. Primary study outcomes were STEMI, patient and system, delays. Secondary outcome was in-hospital mortality. 16,733 patients were included with 4021 females (24%). Women were significantly older (mean age 70.6 vs 60.6), with higher diabetes (19.6% vs 15.4%) and hypertension rates (58.7% vs 38.8%). Patient delay was longer in women with adjusted mean difference of 14.4 min (p < 0.001); system delay did not differ. In-hospital death occurred 3 times more in women. This disadvantage persisted strongly adjusting for age, therapeutic strategy and delay with a 1.85 (1.32-2.61) adjusted hazard ratio.

Conclusions - This overview of 16,733 real-life consecutive STEMI patients in prospective registries over an extensive period strongly indicates gender-related discrepancies, highlighting clinically relevant delays in seeking medical attention. However, higher in-hospital mortality was not totally explained by clinical characteristics or delays. Dedicated studies of specific mechanisms underlying this female disadvantage are mandatory to reduce this gender gap.

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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01730188
Contributeur : Lnc - Université de Bourgogne <>
Soumis le : mardi 19 juin 2018 - 08:59:27
Dernière modification le : mardi 27 octobre 2020 - 14:34:43

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Stephane Manzo-Silberman, Francis Couturaud, Sandrine Charpentier, Vincent Auffret, Carlos El Khoury, et al.. Influence of gender on delays and early mortality in ST-segment elevation myocardial infarction: Insight from the first French Metaregistry, 2005–2012 patient-level pooled analysis. International Journal of Cardiology, Elsevier, 2018, 262, pp.1-8. ⟨10.1016/j.ijcard.2018.02.044⟩. ⟨hal-01730188⟩

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