Real-world registry confirms 1-year safety and efficacy of extravascular ICD

The Enlighten Post Approval Registry, a prospective global study of 787 patients implanted with the extravascular implantable cardioverter defibrillator (EV-ICD) by 168 implanters, reported 1-year freedom from major system- or procedure-related complications of 89.1%. The registry found shock success of 100% for discrete spontaneous episodes and an antitachycardia pacing success rate of 74.2% for monomorphic ventricular tachycardia, with a 7.1% rate of first inappropriate shock, mainly due to noncardiac oversensing. The authors state these findings show that outcomes seen in premarket trials are retained in everyday clinical practice across a large, global cohort with an expanded number of implanters.

Most relevant for: Patients being considered for or living with an extravascular implantable cardioverter defibrillator, including those requiring primary or secondary prevention of ventricular arrhythmias.

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