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Reduction of Iatrogenic Atrial Septal Defects with an Anterior and Inferior Transseptal Puncture Site when Operating the Cryoballoon Ablation Catheter
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Alcohol Septal Ablation in Patients with Hypertrophic Obstructive Cardiomyopathy: A Contemporary Perspective

Felice Gragnano1,2, Francesco Pelliccia3, Natale Guarnaccia1,2

  • 1Department of Translational Medical Sciences, University of Campania "Luigi Vanvitelli", 83043 Naples, Italy.

Journal of Clinical Medicine
|April 28, 2023
PubMed

Insights

Alcohol septal ablation effectively treats symptomatic hypertrophic obstructive cardiomyopathy (HOCM) by reducing left ventricular outflow tract obstruction. This minimally invasive procedure offers a safe alternative to surgery when medical therapy fails.

Area of Science:

  • Cardiology
  • Interventional Cardiology
  • Cardiac Surgery

Background:

  • Hypertrophic obstructive cardiomyopathy (HOCM) causes left ventricular outflow tract (LVOT) obstruction, leading to symptoms despite medical management.
  • Surgical myectomy is an option, but minimally invasive alternatives are sought for suitable patients.

Purpose of the Study:

  • To review the evidence for alcohol septal ablation as a treatment for LVOT obstruction in HOCM.
  • To emphasize patient selection and institutional expertise for successful outcomes.

Main Methods:

  • Alcohol septal ablation involves injecting absolute alcohol into the basal interventricular septum.
  • This induces a controlled myocardial infarction to decrease septal thickness and relieve LVOT obstruction.

Main Results:

  • The procedure is effective and safe, demonstrating significant improvement in hemodynamics and symptoms.
  • It serves as a viable alternative to surgical myectomy for select HOCM patients.

Conclusions:

  • Alcohol septal ablation is a valuable treatment for symptomatic HOCM with LVOT obstruction.
  • Success hinges on careful patient selection and experienced multidisciplinary teams, including a Cardiomyopathy Team.

Keywords:
alcohol septal ablationhypertrophic cardiomyopathymyectomy

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