• Rev Esp Cardiol (Engl Ed) · Dec 2013

    Observational Study

    Effectiveness and safety of remote monitoring of patients with an implantable loop recorder.

    • Yasmín Drak-Hernández, Jorge Toquero-Ramos, José M Fernández, Elena Pérez-Pereira, Víctor Castro-Urda, and Ignacio Fernández-Lozano.
    • Servicio de Cardiología, Unidad de Arritmias, Hospital Universitario Puerta de Hierro, Majadahonda, Madrid, Spain. Electronic address: yasmindrakhernandez@hotmail.es.
    • Rev Esp Cardiol (Engl Ed). 2013 Dec 1; 66 (12): 943-8.

    Introduction And ObjectivesImplantable loop recorders have proven efficacy in the study of patients with syncope and palpitations. Remote monitoring of patients with pacemakers and implantable cardioverter-defibrillators has been shown to be safe and effective. The purpose of this study was to analyze the safety and effectiveness of remote monitoring in patients with an implantable loop recorder.MethodsRetrospective observational study in which 109 patients with an implantable loop recorder were analyzed and 2 population groups were compared: 1 receiving conventional follow-up consisting of 3-monthly office visits (41 patients) and 1 with remote monitoring via monthly telephone transmissions and yearly visits (68 patients). The mean follow-up was 64 weeks (range, 0.57-164.57 weeks). The study analyzed diagnosis of a significant event, defined as any event that led to a therapeutic approach and explained the symptoms leading to the implant, as well as the mean time from implant to diagnosis and the specific treatment.ResultsA significant event was diagnosed in 82.6% of patients; of these, 54.4% had a normal electrocardiogram; 26.7%, asystole; 15.6%, tachycardia, and 3.3%, bradycardia. The mean time from implant to diagnosis was 260 days (range, 5-947 days) in conventional follow-up, compared with 56 days (range, 0-650 days) in patients with remote monitoring (P<.01), which led to targeted treatment in this group 187 days earlier, on average, with no secondary complications.ConclusionsRemote monitoring of patients with an implantable loop recorder can significantly shorten the time to diagnosis and targeted treatment, without adversely affecting patient safety.Copyright © 2013 Sociedad Española de Cardiología. Published by Elsevier Espana. All rights reserved.

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