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Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing
12:45

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

Cardiac resynchronization therapy for the failing Fontan patient

Vladimir Sojak1, Uros Mazic, Maja Cesen

  • 1Department of Cardiovascular Surgery, University Medical Center, Ljubljana, Slovenia. vladimir.sojak@kclj.si

The Annals of Thoracic Surgery
|May 24, 2008
PubMed

Insights

Cardiac resynchronization therapy improved hemodynamics and clinical status in a Fontan patient with advanced myocardial dysfunction. This offers a potential treatment for progressive heart failure in single-ventricle survivors.

Area of Science:

  • Cardiology
  • Pediatric Cardiology
  • Congenital Heart Disease

Background:

  • Myocardial dysfunction is a primary cause of mortality in single-ventricle patients.
  • Heart transplantation is the standard treatment for end-stage myocardial dysfunction in Fontan patients.
  • Cardiac resynchronization therapy (CRT) shows acute benefits in postoperative Fontan patients, but its chronic efficacy is uncertain.

Observation:

  • A case study involving a Fontan patient with progressive myocardial dysfunction was examined.
  • The patient presented with advanced heart failure symptoms and hemodynamic compromise.

Findings:

  • Cardiac resynchronization therapy (CRT) with multisite pacing was implemented.
  • CRT demonstrated significant improvements in the patient's hemodynamics.
  • The patient's overall clinical condition showed marked improvement following CRT.

Implications:

  • CRT may be a viable therapeutic option for chronic, progressive myocardial dysfunction in Fontan survivors.
  • This case highlights the potential of CRT to manage advanced heart failure in complex single-ventricle physiology.
  • Further research into CRT's long-term efficacy in this population is warranted.

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