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Radiation-associated valvular disease.

R G Carlson1, W R Mayfield, S Normann

  • 1Department of Surgery, University of Florida, College of Medicine, Gainesville.

Chest
|March 1, 1991
PubMed
Summary
This summary is machine-generated.

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Radiation-associated valvular disease (RAVD) is a growing concern in patients with prolonged survival after mediastinal irradiation. This study highlights successful complex valve replacement surgery for RAVD, emphasizing long-term cardiac surveillance.

Area of Science:

  • Cardiology
  • Oncology
  • Radiology

Background:

  • Mediastinal irradiation increases the risk of cardiac disease, including valvular injury, due to improved patient survival.
  • Radiation-associated valvular disease (RAVD) encompasses conditions like pericarditis, accelerated coronary artery disease, myocardial fibrosis, and valvular damage.

Observation:

  • The study examined three young patients with significant valvular disease post-mediastinal irradiation.
  • One patient underwent a pioneering aortic and mitral valve replacement and concurrent coronary artery revascularization for RAVD.

Findings:

  • Literature review identified 35 RAVD cases, with only one prior successful aortic valve replacement.
  • Asymptomatic RAVD appears earlier (11.5 years) than symptomatic cases (16.5 years) post-irradiation.

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  • A spectrum of RAVD exists, from mild thickening to severe fibrosis requiring surgical intervention.

    • Implications:

    • Long-term cardiac monitoring is crucial for patients who have undergone mediastinal irradiation.
    • Successful complex valve surgery for RAVD is feasible, offering new therapeutic avenues.
    • Understanding the continuum of RAVD progression aids in timely diagnosis and management.