Gender differences in efficacy of primary percutaneous coronary intervention in patients with ST-elevation myocardial infarction.

Background: The clinical outcome of percutaneous coronary intervention (PCI) is poorer in women than that in men. This study aimed at comparing the impact of gender difference on the strategy of primary PCI in patients with acute ST-segment elevation myocardial infarction (STEMI).

Methods: Two hundred and fifty-nine patients with STEMI who underwent primary PCI within 12 hours of symptom onset were enrolled.