Benefit of the Wearable Cardioverter-Defibrillator in Protecting Patients After Implantable-Cardioverter Defibrillator Explant: Results From the National Registry

JACC. Clinical Electrophysiology
Kenneth A EllenbogenS J Szymkiewicz

Abstract

This study reports on the time course of reimplantation and benefits of the wearable cardioverter-defibrillator (WCD) in patients post implantable cardioverter-defibrillator (ICD) explantation. The WCD is used to treat patients at high risk for ventricular tachycardia (VT) and ventricular fibrillation (VF), including patients with ICD-related infections who undergo device removal and cannot be immediately reimplanted. This retrospective study included consecutive patients from 2002 to 2014 who underwent ICD removal because of device-related infection and were prescribed a WCD. WCD-stored electrocardiograms were reviewed. Event outcome was assessed through either the manufacturer WCD registry or the Social Security death index search. A total of 8,058 patients (mean age 62 ± 14 years, 75% male) were included in the analysis. Median time to reimplantation of an ICD was 50 days (interquartile range: 24 to 83 days). While wearing the WCD, 334 patients (4%) experienced 406 VT/VF events, of which 348 events were treated. Shocks were averted in 54 events by conscious patients. The overall 24-h survival, both treated and nontreated, was 93% (312 of 334). VT/VF occurrence was the highest in the initial weeks after ICD removal (0.9%, 0.7...Continue Reading

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Citations

Aug 2, 2018·European Journal of Cardiovascular Nursing : Journal of the Working Group on Cardiovascular Nursing of the European Society of Cardiology·Tanja OdenegDaniel Scherr
Oct 26, 2018·Herzschrittmachertherapie & Elektrophysiologie·David Duncker, Christian Veltmann
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Sep 5, 2021·ESC Heart Failure·Johanna Mueller-LeisseDavid Duncker
Nov 28, 2021·Journal of Clinical Medicine·Christian BlockhausDong-In Shin
Oct 2, 2020·Cardiovascular & Hematological Disorders Drug Targets·Alireza GheiniAli Pooria
Dec 17, 2021·Expert Review of Medical Devices·Alexandre BodinLaurent Fauchier

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