Objective To explore the safety and efficacy of the treatment of peripheral bronchopleural fistula with customized silicone plug through bronchoscope.Methods A total of 19 patients with BPF admitted to Hunan Provincial People's Hospital from July 2017 to May 2023 were included.Detailed medical records of the patients were collected,including etiology,fistula location,treatment methods,complications,and effective rates,to assess the safety and efficacy of customized silicone plug occlusion.Results The average age of the 19 patients was 61.58 years(range from 42～84 years).The fistulas were located at the right upper lobe in 8 cases,the right middle lobe in 2 cases,the right lower lobe in 2 cases,the left upper lobe in 2 cases,and the left lower lobe in 5 cases.Causes included 9 cases after pneumonectomy,6 cases of spontaneous pneumothorax,1 case post Microwave Ablation Therapy for lung nodule,1 case of advanced lung cancer under radiotherapy and chemotherapy,1 case of candidal pneumonia,and 1 case of pulmonary tuberculosis.15 patients were successfully occluded for the first time,1 case failed to place the plug,and 3 cases had silicone plug dislodgement within 1 week after the procedure,with a short-term effective rate of 73.68％(14 cases).A total of 40 customized silicone plugs were placed,with an average of(2.10±0.74),and the mean diameter of the plugs used was 6.4 mm,with a range of 3 to 9 mm.Fifteen patients were recruited for long-term follow-up,with a median follow-up time of 15 months(range from 1.5 to 53 months).One patient developed a new fistula on the 45th day,who was treated with a combined small Y-type single bullet-covered stent for occlusion.One patient died of severe pneumonia 3 months postoperatively,and one died of type Ⅱ respiratory failure at the 30th month,both deaths were unrelated to the interventional procedure.The long-term effective rate was 68.42％(13 cases).Conclusion Placing customized silicone plugs through bronchoscopy can rapidly and effectively occlude peripheral BPF,with satisfactory long-term outcome.
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