Radiation-Induced Left Main Coronary Artery Stenosis in a Patient with Atretic Internal Mammary Arteries

Coronary artery disease (CAD) is a known potential complication of thoracic radiation treatment that typically affects the proximal segments of the coronary arteries, requiring coronary artery bypass grafting (CABG). We present a case of acute coronary syndrome occurring in a 57-year-old man with pr...

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Bibliographic Details
Published in:Case reports in cardiology 2020-03, Vol.2020 (2020), p.1-5
Main Authors: Saric, Muhamed, Attubato, Michael, Jung, Albert, Mahajan, Asha M., Dogra, Siddhant, Shah, Alan
Format: Article
Language:English
Subjects:
Cardiovascular disease
Case Report
Case reports
Medical imaging
Mortality
Radiation therapy
Stents
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Summary:Coronary artery disease (CAD) is a known potential complication of thoracic radiation treatment that typically affects the proximal segments of the coronary arteries, requiring coronary artery bypass grafting (CABG). We present a case of acute coronary syndrome occurring in a 57-year-old man with prior thoracic radiation therapy following resection of a chest wall chondrosarcoma. Coronary angiogram demonstrated significant areas of stenosis in the left main coronary artery (LMCA) and ostial left anterior descending (LAD) coronary artery. The patient was also found to have atretic bilateral internal mammary arteries as a consequence of his radiation therapy, rendering them unsuitable as grafts. Percutaneous coronary intervention (PCI) was thus performed with a successful outcome. To our knowledge, this is the first case of radiation-induced CAD of the LMCA with atretic internal mammary arteries treated successfully with PCI.
ISSN:2090-6404
2090-6412
DOI:10.1155/2020/7970305