[Surgical and percutaneous treatment of hypertrophic obstructive cardiomyopathy: state-of-the-art review]

Maria Sabrina Ferrante1, Calogera Pisano2, Giuseppe Maria Raffa3

  • 1Centro Cuore, IRCCS - ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta specializzazione), Palermo.

Giornale Italiano Di Cardiologia (2006)
|July 28, 2025
PubMed

Insights

Septal myectomy surgery is the gold standard for treating hypertrophic cardiomyopathy, effectively resolving left ventricular outflow tract obstruction. This surgical approach offers low mortality and morbidity rates in expert centers.

Area of Science:

  • Cardiology
  • Genetics
  • Surgical Innovation

Background:

  • Hypertrophic cardiomyopathy (HCM) is a complex, autosomal dominant genetic disorder.
  • It stems from mutations in cardiac sarcomere protein genes.
  • Current treatments vary, but surgical intervention remains a primary focus.

Purpose of the Study:

  • To evaluate the efficacy of surgical septal myectomy in managing hypertrophic cardiomyopathy.
  • To compare surgical outcomes with less invasive procedures.
  • To highlight the benefits of surgical intervention in expert centers.

Main Methods:

  • Review of existing treatment modalities for hypertrophic cardiomyopathy.
  • Analysis of surgical septal myectomy (Morrow procedure).
  • Comparison with alcohol septal ablation and mitral valve repair.

Main Results:

  • Surgical septal myectomy demonstrates superiority in resolving left ventricular outflow tract obstruction.
  • Surgery shows better outcomes regarding obstruction recurrence compared to other methods.
  • The surgical approach is associated with low mortality and morbidity in specialized centers.

Conclusions:

  • Septal myectomy is the gold standard treatment for obstructive hypertrophic cardiomyopathy.
  • Surgery provides durable relief from left ventricular outflow tract obstruction.
  • Expert surgical management of HCM ensures favorable patient outcomes.

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