Invasive Electrophysiology and Pacing (EK Heist, Section Editor)

Current Cardiology Reports

, 16:496

First online:

ICD Programming to Reduce Shocks and Improve Outcomes

  • Valentina KutyifaAffiliated withHeart Research Follow-Up Program, University of Rochester Medical CenterHeart Research Follow-up Program, Cardiology Division, University of Rochester Medical Center Email author 
  • , Wojciech ZarebaAffiliated withHeart Research Follow-Up Program, University of Rochester Medical Center
  • , Arthur J. MossAffiliated withHeart Research Follow-Up Program, University of Rochester Medical Center

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Abstract

Despite the clinical benefit of implantable cardioverter defibrillator (ICD), there is a high frequency of inappropriate ICD therapy associated with impaired quality of life, unwanted health care resource utilization, and adverse clinical outcome. Alternative strategies of ICD programming are needed to reduce the risk of inappropriate and “unnecessary” ICD therapies and to improve patient outcome. In this review, we provide an overview of the rate of inappropriate and appropriate ICD therapies in clinical trials and large registries as well as a review of current trials evaluating novel ICD programming to reduce inappropriate ICD therapy to avoid unnecessary ICD therapy. Based on recent studies including a large randomized trial, we recommend a simple programming approach involving high-rate device therapy beginning at 200 bpm with a 2.5 sec delay for it reduces inappropriate therapy, unnecessary therapy, and all-cause mortality in patients receiving ICD or CRT-D devices for primary prevention indications.

Keywords

Implantable cardioverter defibrillator ICD programming Inappropriate therapy Appropriate therapy ICD shock Outcome