Key result
Mechanical compression of a saphenous vein graft by a flexible silicone mediastinal drainage tube caused early postoperative myocardial ischemia, which completely resolved upon drain removal.
Case Report (n=1)
No
Highlights an uncommon but reversible cause of early postoperative myocardial ischemia after CABG caused by mechanical compression from a mediastinal drainage tube.
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May warrant considering mediastinal drain compression in early post-CABG ischemia; hypothesis-generating for preventive drain strategies.
The most common causes of myocardial ischemia and myocardial infarction early after coronary artery bypass grafting surgery are early graft occlusion/thrombosis or occlusion/ thrombosis of coronary arteries due to advanced coronary heart disease. We describe a case of postoperative myocardial ischemia due to an uncommon and quickly reversible cause: mechanical compression of a vein graft by a 19F flexible silicone mediastinal drainage tube.
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Beiras-Fernández et al. (2011) conducted a case report in Myocardial ischemia after CABG (n=1). Mediastinal drainage tube (19F flexible silicone) was evaluated. Mechanical compression of a saphenous vein graft by a flexible silicone mediastinal drainage tube caused early postoperative myocardial ischemia, which completely resolved upon drain removal.
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