Septal myectomy is a safe procedure resulting in symptomatic improvement in the majority of patients. The annual incidence of non-fatal disease-related complications after surgical treatment of LVOTO is relatively high. Patients who underwent MV replacements had poorer outcomes with less symptomatic benefit in spite of a similar reduction in LVOT gradients.
The Alfieri repair, as adjunctive therapy, for the prevention or treatment of SAM at the time of SM demonstrates satisfactory early and medium-term clinical and echocardiographic outcomes supporting the ongoing utility of this approach.
In variable phenotypes of LVOTO in hypertrophic cardiomyopathy, an individualized surgical approach provided effective reductions in left ventricular outflow tract gradients and good symptomatic relief with acceptable mortality and morbidity.
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