Total surgical repair for secondary aortoesophageal fistula: two case reports
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We present two consecutive patients with secondary aortoesophageal fistula (AEF) who successfully underwent total repair including partial esophagectomy, removal of infected vascular prosthesis, graft replacement, and esophageal reconstruction using gastric tube concomitant to omental wrapping for staged operation in short phase. One 81-year-old male who had undergone thoracic endovascular aortic repair and another 69-year-old male who had undergone graft replacement of the descending thoracic aorta were referred to our hospital for treatment of AEF. In the first operation, partial esophagectomy, removal of infected vascular prosthesis, and graft replacement were performed via left rib-cross thoracotomy. About half a day after the operation when the patients became hemodynamically stable, esophageal reconstruction was started. The gastric tube was prepared via median laparotomy and introduced to the left thoracic cavity with the omentum through the enlarged hiatus. Thereafter, the gastric tube was anastomosed to the oral side of the esophageal stump via left thoracotomy with the same wound similar to the first operation. Finally, the graft positioned parallel to the gastric tube was completely wrapped by the omentum. Both patients could ingest orally 4 weeks after surgery and maintained no recurrence of infection.
KeywordsAortoesophageal fistula Esophageal reconstruction Omental wrapping