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Coronary artery-right ventricular fistula in a heart transplant patient

G Sütsch1, T Heywood, J Turina

  • 1Department of Internal Medicine, Medical Policlinic, University Hospital, Zurich, Switzerland.

The Journal of Heart Transplantation
|January 1, 1990
PubMed

Insights

A coronary-ventricular fistula developed in a heart transplant patient, likely due to biopsies. This complication highlights potential risks following cardiac procedures and immunosuppression.

Area of Science:

  • Cardiology
  • Transplantation Medicine
  • Vascular Surgery

Background:

  • Heart transplantation requires lifelong immunosuppression and monitoring for complications.
  • Endomyocardial biopsies are standard for assessing graft rejection post-transplant.
  • Coronary angiography is used to evaluate cardiac vasculature and detect abnormalities.

Observation:

  • A 48-year-old patient, 2 years post-heart transplant, underwent routine coronary angiography.
  • A previously undetected fistula was identified between a septal branch of the left anterior descending artery and the right ventricle.
  • This fistula was absent during a coronary angiography performed one year prior.

Findings:

  • A new-onset coronary-ventricular fistula was diagnosed.
  • The fistula originated from a septal perforator artery, a branch of the left anterior descending artery.
  • The fistula tracted directly into the right ventricle.

Implications:

  • Coronary-ventricular fistulas may arise as a delayed complication of endomyocardial biopsies.
  • This condition necessitates careful consideration of biopsy techniques and post-transplant monitoring.
  • Further research is needed to elucidate the exact mechanism and long-term consequences of such fistulas.

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