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  • Title: Syncope and bifascicular block in the absence of structural heart disease.
    Author: Rivera-López R, Cabrera-Ramos M, Jordán-Martinez L, Jimenez-Jaimez J, Macias-Ruiz R, Aguilar-Alonso E, Rivera-Fernandez R, Sanchez-Cantalejo E, Tercedor L, Alvarez M.
    Journal: Sci Rep; 2020 May 18; 10(1):8139. PubMed ID: 32424127.
    Abstract:
    The treatment of patients with bifascicular block (BFB) and syncope in the absence of structural heart disease (SHD) is not well defined. The objective of our study is to compare pacemaker empirical implantation with the use of electrophysiological studies (EPS). This is a prospective cohort study that included 77 patients with unexplained cardiogenic syncope and BFB without structural heart disease between 1997 and 2012. Two groups: 36 patients received empirical pacemakers (Group A) and 41 underwent EPS (Group B) to guide their treatment. The incidence of syncope recurrence and atrioventricular block was lower in group A. Mortality and complication rates were similar between both groups. Multivariate analysis demonstrated a higher number of events (combined endpoint) in group B. Our study shows that treatment according to EPS does not improve the results of a treatment strategy based on empirical pacemaker.
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