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A Pre-Clinical Porcine Model of Orthotopic Heart Transplantation
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Cardiac transplant vasculopathy treated by percutaneous coronary intervention

S Perrotta1, S Lentini, P Muré

  • 1Department of Cardiothoracic Surgery, ''G Martino'' University Hospital, Messina, Italy perrottasossio@yahoo.com

Minerva Chirurgica
|October 17, 2008
PubMed

Insights

Percutaneous transluminal coronary angioplasty (PTCA) is a viable treatment for cardiac allograft vasculopathy in heart transplant recipients. This study found PTCA effective in managing graft vasculopathy, with no procedure-related deaths and acceptable long-term outcomes.

Area of Science:

  • Cardiology
  • Transplantation Medicine
  • Interventional Cardiology

Background:

  • Cardiac transplant vasculopathy (CAV) significantly limits long-term survival in heart transplant (H-Tx) recipients.
  • Effective management strategies for CAV are crucial for improving patient outcomes.

Purpose of the Study:

  • To retrospectively analyze the results of percutaneous transluminal coronary angioplasty (PTCA) in a heart transplant population.
  • To evaluate the safety and efficacy of PTCA for treating cardiac allograft vasculopathy.

Main Methods:

  • Retrospective analysis of 36 heart transplant recipients who underwent 42 PTCA/stent procedures between November 1985 and May 2004.
  • Patients received standard immunosuppressive therapy.
  • Coronary angiograms were performed annually or more frequently if graft vasculopathy was suspected.

Main Results:

  • PTCA was performed on 52 coronary artery lesions, primarily in the left anterior descending artery (65.4%).
  • The main indication for PTCA was asymptomatic angiographic graft vasculopathy (94%).
  • No procedure-related deaths occurred; two patients experienced transient renal failure. Long-term follow-up showed deaths primarily due to vasculopathy progression, cancer, or bleeding.

Conclusions:

  • PTCA can be a reasonable treatment option for selected heart transplant recipients with graft vasculopathy.
  • The procedure demonstrated a favorable safety profile with no immediate complications requiring bypass surgery.
Abstract

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