PO-659-03 PARTIAL CAPSULECTOMY AND EXTRACELLULAR MATRIX ENVELOPE USE DURING S-ICD GENERATOR CHANGE TO DECREASE CAPSULE FORMATION AND PROTECT LONGITUDINAL DEFIBRILLATION EFFICACY

Abstract

Subcutaneous implantable cardio-defibrillators (S-ICD) provide an extravascular option for prevention of sudden cardiac death. At time of generator change, it is common to encounter a fibrotic capsule, and studies have suggested that an extensive fibrotic capsule may impair successful defibrillation and increase shock impedance. Extracellular matrix (ECM) envelopes have been used for cardiac devices to reduce excessive capsule formation and promote controlled healing.