Key result
Preoperative cardiac computed tomography angiography successfully confirmed the suitability of the free left internal mammary artery as a conduit for coronary artery bypass grafting.
Why the study?
Does preoperative cardiac CT angiography adequately assess the suitability of the left internal mammary artery for bypass in a patient with bilateral subclavian stenosis?
Case Report (n=1)
Does preoperative cardiac CT angiography adequately assess the suitability of the left internal mammary artery for bypass in a patient with bilateral subclavian stenosis?
Cardiac CT angiography serves as an effective noninvasive tool for preoperative planning in coronary revascularization, particularly when conduit adequacy is in question due to vascular disease.
May aid preoperative LIMA assessment in subclavian stenosis; leaves open need for prospective validation before routine use.
A 61-year-old male vasculopath presented for coronary revascularization and was found to have high-grade bilateral subclavian artery stenosis. The adequacy of the left internal mammary artery for bypass to the left anterior descending artery was in question. Rather than assessing the left internal mammary artery intraoperatively, we performed a preoperative cardiac computed tomography (CT) angiogram. This showed that the free left internal mammary artery was a suitable conduit and the procedure was performed expeditiously. Therefore, cardiac CT angiography is a noninvasive tool for preoperative planning in coronary revascularization.
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Moussa et al. (2009) conducted a case report in High-grade bilateral subclavian artery stenosis requiring coronary revascularization (n=1). Preoperative cardiac computed tomography (CT) angiogram was evaluated on Adequacy of the left internal mammary artery for bypass. Preoperative cardiac computed tomography angiography successfully confirmed the suitability of the free left internal mammary artery as a conduit for coronary artery bypass grafting.
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