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We report on a 63-year-old man with a history of coronary artery bypass in 1995 who presented with massive hematemesis and hemodynamic instability. A computed tomography (CT) scan revealed a thoracic aortic pseudoaneurysm causing a mass effect on the esophagus (●" Fig.1) and rupture of the aorta immediately after the origin of the left subclavian artery, with the suspicion of an aortoesophageal fistula. Endovascular aortic treatment was undertaken with a carotid–subclavian bypass using a polytetrafluoroethylene stent. A Gastrografin esophagram 4 days after admission revealed a discontinuity in the medial aspect of the esophagus at the level of the aortic arch (●" Fig.2). An upper gastrointestinal endoscopy performed the following day confirmed a 4-cm long esophageal rupture 20cm from the incisors (●" Fig.3). A fully covered, 110-mm× 20-mm, Nitinol self-expanding metal stent (HanarostentM.I.Tech Co. Inc., Seoul, South Korea) was placed under direct visualization to isolate the esophageal perforation and a nasogastric tube was subsequently placed. The patient was initially kept on enteral feeding, later progressing to an oral diet. Twenty weeks after the placement of the esophageal stent, the patient remains alive, with no evidence of mediastinitis, aortic stent-graft infection or new episodes of gastrointestinal bleeding, with the esophageal stent being correctly placed (●" Fig.4). Aortoesophageal fistulas are a rare cause of massive upper gastrointestinal bleeding; one of the main causes is erosion of the esophageal wall by thoracic aortic aneurysms [1]. Endovascular aortic repair enables aortic bleeding to be rapidly controlled [2]; however, it does not repair the esophagus, so leaves the risk of mediastinitis and aortic graft contamination. Previous reports have considered surgical repair of the esophageal lesion once the patient’s condition has been stabilized [3], but secondary esophageal reconstruction can cause significant surgical trauma. Esophageal stents are universally used to treat esophageal perforations [4]. In selected cases, they may be a less invasive and equally effective alternative to surgical repair, bypassing the defect to allow it to heal, while allowing oral feeding to be continued.

Esophageal fully covered self-expanding metal stent for combined treatment of an aortoesophageal fistula