Does Implantable Cardioverter Defibrillator (ICD) therapy prevent sudden cardiac death and what are the complication rates in patients with hypertrophic cardiomyopathy?
ICD therapy in hypertrophic cardiomyopathy is associated with low mortality and a 3.3%/year rate of appropriate interventions, though complications and inappropriate shocks remain a concern.
This meta-analysis demonstrates a low cardiac and noncardiac mortality rate after ICD therapy in patients with hypertrophic cardiomyopathy. Appropriate ICD intervention occurred at a rate of 3.3%/year, thereby, most probably, preventing SCD. Inappropriate ICD intervention and complications are not uncommon.
Schinkel et al. (Sat,) studied this question.