Clinical research in cardiology : official journal of the German Cardiac Society · 2026
Sex-specific short- and long-term outcomes in patients with leadless cardiac pacemakers.
СтатьяНаблюдательное исследованиеНазвание и аннотация: Перевод в очереди
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Kiblboeck Daniel, Saleh Karim, Boetscher Jakob, Rohringer Hannah, Maier Julian, Lacher Justin, Reiter Christian, Kellermair Joerg, Wagner Helga, Raidl Stefan, Lambert Thomas, Steinwender Clemens, Blessberger Hermann
Аннотация
BACKGROUND: Safety and efficacy have been well demonstrated for Micra™ leadless cardiac pacemakers (LCPs). However, the presence of sex-specific disparities remains unclear.
METHODS: The aim of this single-centre observational study was to assess the sex-specific short- and long-term outcomes in patients undergoing LCP implantation.
RESULTS: In total, 378 LCPs were implanted in 127 women (33.6%) and 251 men (66.4%). The most frequent indications included atrial fibrillation with slow conduction (women: 31.5%, men: 44.6%), third-degree atrioventricular block (women: 31.5%, men: 33.5%) and sick sinus syndrome (women: 21.3%, men: 9.6%). Electrical performance parameters of LCPs were similar between sexes. Procedure-related complications during LCP implantation occurred more frequently in women (3.1%) compared to men (0.4%), though no difference was observed for all complications during the index stay (women: 3.9%, men: 1.6%, p = 0.18). In-hospital mortality was low for women (0.8%) and men (0.8%, p = 0.96). A multivariable logistic regression analysis adjusted for sex, age, diabetes, chronic kidney disease, coronary artery disease and transcatheter and surgical valve replacement revealed concomitant lead extraction (OR 9.153, p = 0.001) as the only predictor for complication or death during index stay. All-cause mortality was 30.7% in women (n = 39) and 27.5% in men (n = 69, p = 0.28) during a median follow-up of 41 months (IQR 22-65 months).
CONCLUSIONS: No sex-specific disparities were observed with respect to complications during index stay, in-hospital and all-cause mortality. Less frequent use of LCP therapy in women may relate to differing indications between sexes. Further prospective studies may help to develop sex-specific recommendations for LCP therapy.
METHODS: The aim of this single-centre observational study was to assess the sex-specific short- and long-term outcomes in patients undergoing LCP implantation.
RESULTS: In total, 378 LCPs were implanted in 127 women (33.6%) and 251 men (66.4%). The most frequent indications included atrial fibrillation with slow conduction (women: 31.5%, men: 44.6%), third-degree atrioventricular block (women: 31.5%, men: 33.5%) and sick sinus syndrome (women: 21.3%, men: 9.6%). Electrical performance parameters of LCPs were similar between sexes. Procedure-related complications during LCP implantation occurred more frequently in women (3.1%) compared to men (0.4%), though no difference was observed for all complications during the index stay (women: 3.9%, men: 1.6%, p = 0.18). In-hospital mortality was low for women (0.8%) and men (0.8%, p = 0.96). A multivariable logistic regression analysis adjusted for sex, age, diabetes, chronic kidney disease, coronary artery disease and transcatheter and surgical valve replacement revealed concomitant lead extraction (OR 9.153, p = 0.001) as the only predictor for complication or death during index stay. All-cause mortality was 30.7% in women (n = 39) and 27.5% in men (n = 69, p = 0.28) during a median follow-up of 41 months (IQR 22-65 months).
CONCLUSIONS: No sex-specific disparities were observed with respect to complications during index stay, in-hospital and all-cause mortality. Less frequent use of LCP therapy in women may relate to differing indications between sexes. Further prospective studies may help to develop sex-specific recommendations for LCP therapy.