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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 to Reduce Heart Failure

Joshua McKay1, Sherif F Nagueh1

  • 1Department of Cardiology, Methodist DeBakey Heart and Vascular Center, Houston Methodist Hospital, 6550 Fannin, Smith Tower 677, Houston, TX 77030, USA.

Interventional Cardiology Clinics
|June 11, 2017
PubMed

Insights

Alcohol septal ablation can reverse heart failure mechanisms in hypertrophic cardiomyopathy patients. This procedure offers clinical improvement for those with severe, medically refractory symptoms.

Area of Science:

  • Cardiology
  • Genetics
  • Heart Failure

Background:

  • Hypertrophic cardiomyopathy (HCM) is a common genetic heart disease.
  • HCM presents with varied symptoms, but 10% develop severe heart failure.
  • Medical management is often insufficient for advanced HCM-induced heart failure.

Purpose of the Study:

  • To elucidate the mechanisms by which HCM causes heart failure.
  • To explain how alcohol septal ablation (ASA) addresses these mechanisms.
  • To highlight ASA's potential for clinical improvement in refractory HCM.

Main Methods:

  • Review of mechanisms linking HCM to heart failure.
  • Analysis of ASA's impact on these specific pathophysiological pathways.
  • Discussion of clinical outcomes post-ASA.

Main Results:

  • HCM induces heart failure through multiple pathways.
  • ASA effectively targets and reverses these HCM-induced mechanisms.
  • Patients undergoing ASA show significant clinical improvement.

Conclusions:

  • Alcohol septal ablation is a viable therapeutic option for select HCM patients.
  • ASA offers a way to reverse the pathophysiology of heart failure in HCM.
  • This intervention can lead to substantial clinical benefits for refractory cases.

Keywords:
Alcohol septal ablationHeart failureHypertrophic cardiomyopathy

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