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Operating Transverse Aortic Constriction with Absorbable Suture to Obtain Transient Myocardial Hypertrophy
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Hypertrophic obstructive cardiomyopathy: review of surgical treatment

Jonathan Price1, Nicholas Clarke1, Aslan Turer2

  • 11 Department of Cardiovascular and Thoracic Surgery, University of Texas Southwestern Medical Center, Dallas, Texas, USA.

Asian Cardiovascular & Thoracic Annals
|September 14, 2017
PubMed

Insights

Hypertrophic cardiomyopathy is a common heart condition. Surgical myectomy is the preferred treatment for severe cases, offering better outcomes than percutaneous ablation for left ventricular outflow tract obstruction.

Area of Science:

  • Cardiology
  • Genetics
  • Internal Medicine

Background:

  • Hypertrophic cardiomyopathy (HCM) is a prevalent congenital cardiac disease, impacting up to 1 in 200 individuals.
  • Left ventricular outflow tract obstruction is a serious complication of HCM, increasing risks of symptoms and sudden cardiac death.

Purpose of the Study:

  • To compare the effectiveness and safety of surgical myectomy versus percutaneous ablation for treating obstructive hypertrophic cardiomyopathy.
  • To establish the gold standard treatment for eliminating subaortic obstruction in HCM patients unresponsive to pharmacologic therapy.

Main Methods:

  • Review of existing literature on surgical myectomy and percutaneous ablation for obstructive HCM.
  • Analysis of complication rates, symptom reduction, and long-term efficacy of both procedures.
  • Comparison of the degree and durability of left ventricular outflow tract obstruction relief.

Main Results:

  • Both surgical myectomy and percutaneous ablation are effective in treating obstructive hypertrophic cardiomyopathy.
  • Surgical myectomy demonstrates a significantly lower complication rate compared to percutaneous ablation.
  • Myectomy provides more complete and lasting reduction of left ventricular outflow tract obstruction.

Conclusions:

  • Surgical myectomy is the gold standard treatment for obstructive hypertrophic cardiomyopathy when pharmacologic therapy fails.
  • Myectomy offers superior long-term outcomes and a better safety profile for managing left ventricular outflow tract obstruction in HCM.

Keywords:
Ablation techniquesCardiomyopathyHeart septumMitral valveVentricular functionVentricular outflow obstructionhypertrophicleft

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