Cardiovascular and interventional radiology · 2018
Multiple Bifurcated Covered Self-Expanding Metallic Stents for Complex Tracheobronchial Fistulas or Stenosis.
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Bi Yonghua, Li Jindong, Yu Zepeng, Ren Jianzhuang, Han Xinwei, Wu Gang
Аннотация
OBJECTIVE: We aimed to determine the safety and feasibility of bifurcated covered self-expanding stents for the treatment of complex tracheobronchial fistulas or stenosis.
METHODS: Twenty-eight patients were treated by multiple bifurcated covered airway stents (Micro-Tech Co. Ltd., Nanjing, China), including 18 cases of gastrobronchial or gastrotracheal fistula, 6 cases of bronchopleural fistula and 4 cases of severe tracheobronchial stenosis. The large bifurcated covered stent was placed at the main carina, and the small stents were inserted into primary right carina or secondary left carina. Clinical and imaging data were retrospectively analyzed.
RESULTS: Stents were successfully inserted in 27 patients at the first attempt. In total, 29 large bifurcated covered stents, 27 small bifurcated covered stents and 5 small bifurcated covered single-plugged stents were inserted. All patients with fistula could resume eating without coughing after the procedure. No perioperative death or severe complications occurred. Two patients underwent stent removal due to intolerance of stenting; the clinical success rate was 93% (26/28). Nineteen complications were found in 12 patients; 8 patients needed stent removal or replacement, for a major complication rate of 29% (8/28). Eight patients underwent successful stent removal due to complications. Fifteen patients died of tumors and one patient died of pulmonary infection. The median survival was 33 months. Fistula recurrence was found in one patient 5 months after stenting, and second small bifurcated covered stent was inserted.
CONCLUSIONS: Multiple bifurcated covered metallic stenting is effective and safe for complex tracheobronchial fistulas or stenosis, with good symptom palliation.
METHODS: Twenty-eight patients were treated by multiple bifurcated covered airway stents (Micro-Tech Co. Ltd., Nanjing, China), including 18 cases of gastrobronchial or gastrotracheal fistula, 6 cases of bronchopleural fistula and 4 cases of severe tracheobronchial stenosis. The large bifurcated covered stent was placed at the main carina, and the small stents were inserted into primary right carina or secondary left carina. Clinical and imaging data were retrospectively analyzed.
RESULTS: Stents were successfully inserted in 27 patients at the first attempt. In total, 29 large bifurcated covered stents, 27 small bifurcated covered stents and 5 small bifurcated covered single-plugged stents were inserted. All patients with fistula could resume eating without coughing after the procedure. No perioperative death or severe complications occurred. Two patients underwent stent removal due to intolerance of stenting; the clinical success rate was 93% (26/28). Nineteen complications were found in 12 patients; 8 patients needed stent removal or replacement, for a major complication rate of 29% (8/28). Eight patients underwent successful stent removal due to complications. Fifteen patients died of tumors and one patient died of pulmonary infection. The median survival was 33 months. Fistula recurrence was found in one patient 5 months after stenting, and second small bifurcated covered stent was inserted.
CONCLUSIONS: Multiple bifurcated covered metallic stenting is effective and safe for complex tracheobronchial fistulas or stenosis, with good symptom palliation.