Abstract
BackgroundGender disparity remains a significant global concern in interventional cardiology, and there is a lack of extensive research examining the outcomes of percutaneous coronary interventions (PCIs) performed by female interventionalists. ObjectivesThe aim of this study was to examine the practice patterns and outcomes of PCIs conducted by female interventionalists in Japan. MethodsThis retrospective observational study analyzed data from the Japanese Percutaneous Coronary Intervention registry between January 2019 and December 2021. The primary endpoint was in-hospital mortality and the secondary endpoint was the success rate of PCIs. ResultsA total of 447 female operators (7.3% of all operators) performed 35,211 PCIs (5.3%) during the study period. Female doctors treated a higher percentage of patients with ST-segment elevation myocardial infarction compared with their male counterparts (20.2% vs 17.7%; P = 0.001), whereas male doctors were more likely to perform PCIs for left main disease (4.9% vs 5.9%; P < 0.001) and lesions treated with rotational atherectomy (3.5% vs 4.9%; P < 0.001). The success rate of PCIs was higher for female interventionalists (97.8% vs 97.2%; P < 0.001). After conducting a risk-adjusted analysis, we found no significant difference in in-hospital mortality (adjusted OR: 0.896; 95% CI: 0.78-1.03; P = 0.12), or procedural complications associated with the operator's gender. ConclusionsOverall, female operators exhibited outcomes similar to their male counterparts in terms of adjusted procedural outcomes, and higher crude success rate in certain subgroups. These findings emphasize gender disparities and stress the need to increase gender diversity in interventional cardiology.
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