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Surgical management of left ventricular outflow obstruction in hypertrophic cardiomyopathy

Neil Howell1, William Bradlow2

  • 1Department of Cardiothoracic Surgery, New Queen Elizabeth Hospital Birmingham , Mindelsohn Way, Edgbaston, Birmingham, B15 2GW , UK.

Echo Research and Practice
|December 23, 2015
PubMed

Insights

Hypertrophic cardiomyopathy can cause dangerous outflow tract obstruction. Surgery can relieve symptoms and improve life expectancy in suitable patients with this inherited heart condition.

Area of Science:

  • Cardiology
  • Cardiovascular Surgery
  • Medical Genetics

Background:

  • Hypertrophic cardiomyopathy (HCM) is the most common inherited heart disease.
  • Left ventricular outflow tract obstruction (LVOTO) is a key feature of HCM, caused by mitral valve systolic anterior motion.
  • Medication often fails to alleviate symptoms like dyspnea, chest pain, and syncope in affected individuals.

Purpose of the Study:

  • To review the evolution of surgical techniques for LVOTO in HCM.
  • To identify patient selection criteria for surgical intervention.
  • To outline expected surgical outcomes and the role of echocardiography.

Main Methods:

  • Review of contemporary surgical practices and outcomes for HCM-related LVOTO.
  • Analysis of echocardiographic findings in the context of surgical decision-making.
  • Discussion of patient selection and prognostic indicators.

Main Results:

  • Surgical interventions can effectively relieve LVOTO and associated symptoms in HCM patients.
  • Advancements in surgical techniques have improved outcomes.
  • Echocardiography is crucial for diagnosis, surgical planning, and outcome assessment.

Conclusions:

  • Surgery offers a viable treatment option for selected HCM patients with persistent LVOTO symptoms.
  • Understanding LVOTO mechanisms guides surgical strategy and improves patient prognosis.
  • Multidisciplinary assessment, including echocardiography, is essential for optimal patient management.

Keywords:
hypertrophic cardiomyopathyleft ventricular outflow tract obstructionmyectomy

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