Key result
RIMA extracorporeal extension using a radial conduit facilitates complication-free off-pump anaortic total arterial revascularization.
Why the study?
Total arterial revascularization may improve CABG outcomes, but the complexity of using in situ RIMA, especially in minimally invasive CABG, has limited its adoption.
Case Report
Answers are grounded in this paper and cite their sources.
The described extracorporeal RIMA to radial graft technique addresses conduit length limitations and facilitates minimally invasive total arterial coronary bypass.
Total arterial revascularization (TAR) may improve outcomes in coronary artery bypass grafting. However, the complexity of using in situ right internal mammary artery (RIMA), particularly in minimally invasive coronary artery bypass grafting, has limited adoption. We describe in situ RIMA extracorporeal extension using a radial conduit. This minimally invasive approach facilitates off-pump, anaortic TAR. The RIMA is harvested with a harmonic scalpel and right lung retraction. It is exteriorized by a 10-mm trocar in the first or second intercostal space and anastomosed to the radial artery. This has been repeatedly applied without complication. It addresses RIMA length and access limitations, broadening sternal-sparing TAR approaches.
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Orellana-Sampedro et al. (2025) conducted a case report in Coronary artery bypass grafting. In situ RIMA extracorporeal extension using a radial conduit was evaluated on Complications. In situ right internal mammary artery extracorporeal extension using a radial conduit facilitates off-pump, anaortic total arterial revascularization without complication.
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