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[A case of post-radiation constrictive pericarditis developing 12 years after radiation therapy]
M Sakuraba1, J Tanaka, S Ikeda
1Department of Cardiovascular Surgery, Mitsui Memorial Hospital, Tokyo, Japan.
Summary
Radiation therapy for breast cancer can lead to constrictive pericarditis, a form of heart failure. Surgical pericardiectomy effectively treated this condition in a 70-year-old woman, restoring heart function.
Area of Science:
- Cardiology
- Oncology
- Thoracic Surgery
Background:
- A 70-year-old woman received radical mastectomy and postoperative radiation therapy (50 Gy) for left breast carcinoma.
- Radiation targeted parasternal and left subclavian nodes, a common practice for breast cancer treatment.
Observation:
- Ten years post-radiation, the patient developed heart failure symptoms including dyspnea, edema, and hepatomegaly.
- Cardiac catheterization showed elevated right atrial and right ventricular pressures with a characteristic "dip and plateau" waveform.
Findings:
- Operative findings and pathology confirmed radiation-induced constrictive pericarditis.
- Pericardiectomy was performed successfully without extracorporeal circulation.
Implications:
- This case highlights a significant long-term complication of radiation therapy for breast cancer.
- Surgical intervention (pericardiectomy) offers an effective treatment for radiation-induced constrictive pericarditis.
- Prompt diagnosis and surgical management can lead to rapid recovery and good long-term outcomes.
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