Background: The right gastroepiploic artery (GEA) is utilized as an excellent in situ arterial graft conduit to right coronary artery territory for coronary artery bypass grafting (CABG). However, there remain great concerns regarding the management of patients with a patent in situ GEA during abdominal surgery following CABG.
Methods: From 1995 to 2016, GEA was used for CABG in 278 patients at our institution. Of the patients, 14 abdominal surgeries were performed for subsequent abdominal diseases in 11 patients with a patent in situ GEA for CABG. We investigated the results of the surgeries and how to manage the GEAs in abdominal surgery.
Results: Laparotomy was required for gastric cancer in 3 patients, pancreatic cancer in 3, hepatic cancer in 2, cholangiocarcinoma in 1, duodenal papillary head cancer in 1, and cholecystitis in 1; multiple abdominal surgeries were needed in 2 patients for cancer recurrence and ileus. The intraabdominal adhesions around the GEAs were minimal in all patients. No graft injury occurred at the time of opening of the abdomen, and the planned procedures were completed without any circulatory problems. In 3 patients undergoing pancreaticoduodenectomy, intraabdominal off-pump rerouting of the GEA with a short saphenous vein was necessary for en bloc resection of the cancers and lymph nodes. There was neither operative mortality nor graft-related cardiac event except for 1 due to multiple organ failure.
Conclusions: Although intraabdominal rerouting of GEA is necessary for pancreaticoduodenectomy, abdominal surgery can be safely performed in patients with a patent in situ GEA coronary graft.
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