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Surgical treatment for secondary aortoesophageal fistula
  • +3
  • Kayo Sugiyama,
  • Toru Iwahashi,
  • Nobusato Koizumi,
  • Toshiya Nishibe,
  • Toshiki Fujiyoshi,
  • Hitoshi Ogino
Kayo Sugiyama
Aichi Medical University
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Toru Iwahashi
Tokyo Medical University Hospital
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Nobusato Koizumi
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Toshiya Nishibe
Tokyo Medical University Hospital
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Toshiki Fujiyoshi
Pediatric Cardiovascular Surgery
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Hitoshi Ogino
Tokyo Medical University
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Abstract

Background Aortoesophageal fistula (AEF) is a rare but life-threatening condition. Secondary AEF is a complication of previous surgery, and can be more critical and challenging than primary AEF. The number of cases of secondary AEF is increasing due to increasing number of thoracic endovascular aortic repair (TEVAR) performed. Although TEVAR has become a successful alternative surgical strategy for thoracic aortic aneurysms, secondary AEF after TEVAR may occur because of severe adhesion between the esophagus and residual thoracic aortic wall. Methods This study analyzed six patients with secondary AEF who were treated at Tokyo Medical University Hospital between 2011 and 2016. These participants included four patients who had undergone TEVAR and two who had undergone total arch replacement. Results Open surgical repair was completed in two patients who had undergone total arch replacement. TEVAR alone was performed in two patients who had undergone TEVAR. Combined repair of TEVAR as a bridge to open surgery was planned for two patients who had undergone TEVAR. However, reconstruction of the aorta and esophagus could not be completed in these patients due to severe adhesions, and they died during hospitalization. Conclusions Definitive open repair was successfully performed in patients with secondary AEF after total arch replacement. However, in the patients with secondary AEF after TEVAR, severe adhesion between the aorta and esophagus led to difficulty in performing a successful definitive open repair. The strategy for secondary AEF should, therefore, be decided considering the etiology of secondary AEF.