Real-world experience of leadless left ventricular endocardial cardiac resynchronization therapy: A multicenter international registry of the WiSE-CRT pacing system - Archive ouverte HAL Access content directly
Journal Articles Heart Rhythm Year : 2020

Real-world experience of leadless left ventricular endocardial cardiac resynchronization therapy: A multicenter international registry of the WiSE-CRT pacing system

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Lucas V.A. Boersma
Pascal Defaye

Abstract

BACKGROUND Biventricular endocardial pacing (BiV ENDO) is a therapy for heart failure patients who cannot receive transvenous epicardial cardiac resynchronization therapy (CRT) or have not responded adequately to CRT. BiV ENDO CRT can be delivered by a new wireless LV ENDO pacing system (WiSE-CRT system; EBR Systems, Sunnyvale, CA), without the requirement for lifelong anticoagulation. OBJECTIVE The purpose of this study was to assess the safety and efficacy of the WiSE-CRT system during real-world clinical use in an international registry. METHODS Data were prospectively collected from 14 centers implanting the WiSE-CRT system as part of the WiCS-LV Post Market Surveillance Registry. (ClinicalTrials.gov Identifier: NCT02610673). RESULTS Ninety patients from 14 European centers underwent implantation with the WiSE-CRT system. Patients were predominantly male, age 68.2 +/- 10.5 years, left ventricular ejection fraction 30.6% +/- 8.9%, mean QRS duration 180.7 +/- 27.0 ms, and 40% with ischemic etiology. Successful implantation and delivery of BiV ENDO pacing was achieved in 94.4% of patients. Acute (<24 hours), 1- to 30-day, and 1- to 6-month complications rates were 4.4%, 18.8%, and 6.7%, respectively. Five deaths (5.6%) occurred within 6 months (3 procedure related). Seventy percent of patients had improvement in heart failure symptoms. CONCLUSION BiV ENDO pacing with the WiSE-CRT system seems to be technically feasible, with a high success rate. Three procedural deaths occurred during the study. Procedural complications mandate adequate operator training and implantation at centers with immediately available cardiothoracic and vascular surgical support.
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hal-03148806 , version 1 (22-02-2021)

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Attribution - NonCommercial - NoDerivatives - CC BY 4.0

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Benjamin J. Sieniewicz, Timothy R Betts, Simon James, Andrew Turley, Christian Butter, et al.. Real-world experience of leadless left ventricular endocardial cardiac resynchronization therapy: A multicenter international registry of the WiSE-CRT pacing system. Heart Rhythm, 2020, 17 (8), pp.1291-1297. ⟨10.1016/j.hrthm.2020.03.002⟩. ⟨hal-03148806⟩
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