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Radiation-related arterial disease
T Katras1, U Baltazar, K Colvett
1Department of Surgery, Quillen College of Medicine, East Tennessee State University, Johnson City 37614-0575, USA.
The American Surgeon
|December 22, 1999
Summary
Radiation therapy can lead to arterial disease years later. Bypass surgery is a safe option for radiation-associated arterial occlusive disease, while ligation may be best for severe arterial disruption.
Area of Science:
- Vascular Surgery
- Radiation Oncology
- Cardiovascular Disease
Background:
- Radiation therapy is increasingly used for malignant diseases, leading to longer patient survival.
- Radiation arteriopathy, a complication of radiation therapy, can manifest years after treatment.
- Understanding the long-term vascular consequences of radiation is crucial for patient management.
Observation:
- A retrospective review of six patients with radiation-associated arterial disease was conducted.
- Arteries affected included carotid, subclavian, coronary, and femoral arteries.
- The mean latency period between radiation therapy and clinical manifestation of arterial disease was 14.3 years.
Findings:
- Four patients underwent successful operative repairs using bypass grafts (polytetrafluoroethylene and saphenous vein).
- One patient received a stent, and another with spontaneous carotid disruption was treated with ligation.
- Elective bypass grafting proved safe and effective for arterial occlusive disease in irradiated arteries.
Implications:
- Bypass grafting is a viable and safe treatment for radiation-associated arterial occlusive disease.
- Life-threatening arterial disruption from radiation arteriopathy, especially with infection, may necessitate ligation.
- Further research into managing radiation-induced vascular complications is warranted.