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J Thorac Cardiovasc Surg 2004;127:296-297
© 2004 The American Association for Thoracic Surgery
Brief communication |
a Servicio de Cirugía General y Torácica "A," Hospital Clínico Universitario "Lozano Blesa," Zaragoza, Spain
Received for publication July 11, 2003; accepted for publication August 11, 2003.
* Address for reprints: Rafael Aguiló Espases, Servicio de Cirugía General y Torácica "A," Hospital Clínico Universitario "Lozano Blesa," P./San Juan Bosco, 15, Zaragoza 50009, Spain
cgah{at}hcu-lblesa.es
Esophagectomy and esophageal replacement with a gastric tube are the procedures of choice for resectable esophageal carcinoma. Postoperative stricture at the level of the esophagogastric anastomosis is a well-known complication of this procedure.1,2 Much less common is the development of a benign fistula communicating the gastric tube and the airway.3,4
We report the clinical case of a patient in whom successful surgical repair of the 2 complications was simultaneously achieved in a single-staged operation.
Clinical summary
A 51-year-old male patient had epidermoid carcinoma of the middle third of the esophagus. After neoadjuvant chemotherapy and radiation therapy, he underwent total esophagectomy and mediastinal lymphadenectomy through a right-sided thoracotomy. The esophagus was replaced with a gastric tube, and the esophagogastric anastomosis was performed manually in the neck. Postoperatively, the patient had external anastomotic leakage that was managed with full fasting and enteral nutrition. Closure of the leakage ensued. However, a circumferential, cicatricial stenosis developed at this level. Repeated endoscopic dilations resulted in recurrent restenosis. Finally, an auto-expandable metallic "wall-stent" prosthesis was left in place in an attempt to provide sufficient lumen and improve swallowing.
Some months later, the patient returned with severe hemoptysis and dysphagia. Esophagography showed an "H"-type bronchogastric fistula (Figure 1). Severe stenosis at the esophagogastric anastomosis was also present. Computed tomography (CT) of the thorax showed that the prosthesis had moved downward and had made an impact against the anterior wall of the gastric tube, at the level where it crossed the origin of the right main bronchus (Figure 2). Before any surgery was planned, local recurrence of the tumor was ruled out by pathologic examination of biopsy samples obtained endoscopically from the margins of the fistula. A whole-body CT scan was performed to exclude distant metastases.
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Comments
A benign fistula between the airway and the gastric tube replacing the esophagus after total esophagectomy is very rare but potentially fatal.3,4 It may develop most often secondary to leakage of the anastomosis with inflammatory involvement of the tracheobronchial tree or after endoscopic dilatation of a benign anastomotic stricture. Other causative factors have only been reported as solitary cases.4 Among these, we have found in the literature just 1 other case in which the tracheogastric fistula presented in association with an auto-expandable esophageal wall-stent prosthesis.5
Symptoms at presentation may range from mild to life-threatening.3,4 Yet the possibility of a rapid deterioration of the patient's general condition should always be kept in mind. Just on suspicion, a barium esophagogram should promptly be performed for diagnosis. Treatment is always challenging and has to be individually tailored. It will depend on the severity of symptoms, on the size and location of the fistula, and on accompanying conditions. If surgery is required, the procedure of choice is excision of the fistula and closure of the tracheal and esophageal defects. Interposition of a pedicled pleural, omental, or muscle flap has proved to be useful in preventing recurrence of the fistula. The gastric tube should be left in place unless judged as an unviable option. In such case, colonic interposition is indicated to restore the continuity of the gastrointestinal tract. If mediastinitis is present, elimination of the septic focus and extensive drainage of the mediastinum are mandatory.3,4
References
This article has been cited by other articles:
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J S SUN, K J PARK, J-H CHOI, S LEE, and H CHOI Benign bronchogastric fistula as a late complication after transhiatal oesophagogastrectomy: evaluation with multidetector row CT Br. J. Radiol., October 1, 2008; 81(970): e255 - e258. [Abstract] [Full Text] [PDF] |
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D. Bona, D. Sarli, G. Saino, M. Quarenghi, and L. Bonavina Successful Conservative Management of Benign Gastro-Bronchial Fistula After Intrathoracic Esophagogastrostomy Ann. Thorac. Surg., September 1, 2007; 84(3): 1036 - 1038. [Abstract] [Full Text] [PDF] |
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