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Cardiomyoplasty and Implantable Cardioverter Defibrillator: Efficacy and Safety of Concomitant Device Implantation: Sudden Death and Cardiomyoplasty

Abstract  Sudden death represents a common event in the natural history of patients affected by chronic heart failure. Such an outcome also has been shown to characterize the follow‐up of the cardiomyoplasty procedure. We report two cases of patients who had cardiomyoplasty and experienced witnessed episodes of ventricular arrhythmia at variable times after surgery (2 years and 2 months, respectively). In the first case, an implantable cardioverter defibrillator (ICD) was implanted subsequent to the arrhythmic episode, whereas the second patient had a combined cardiomyoplasty and ICD implantation procedure. In particular, this patient underwent a modified wrapping technique, herein described, because of a large left ventricular dilatation. In both cases, ventricular defibrillation did not affect the correct functioning of the implanted car‐diomyostimulator. Our article confirms that ventricular arrhythmia is common in cardiomyoplasty patients. The combined use of a skeletal muscle stimulator and implantable defibrillator may therefore be effective in preventing arrhythmia‐related sudden death without any concurrent effect on the correct functioning of the wrapped muscle/heart circuit, with likely benefit on long‐term cardiomyoplasty patient survival.