• Department of Respiratory Medicine, Hunan Provincial Hospital/The First Affiliated Hospital of Hunan Normal University, Changsha, Hunan 410005, P. R. China;
LIU Zhiguang, Email: liuzhiguang0404@163.com
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Objective  To explore the safety and efficacy for patients with central airway-pleural fistula (APF) treated by atrial septal defect (ASD) occluder. Methods  This was a retrospective study. Between January 2017 and October 2021, a total of 16 patients with postoperative APF were treated with ASD occluder through bronchoscope under local anesthesia combined with sedation. The efficacy and complication were recorded during and after the procedure. Results  Sixteen patients were recruited in this study and the average age was 60.7 years (range 31 - 74 years). The main etiology for APF was lobectomy/segmentectomy (n=12), pneumonectomy (n=2), radical esophagectomy (n=1) or decortication for chronic empyema (n=1). Totally, 4 fistulas were located in right main bronchus, 3 in left main bronchus, 3 in right upper bronchus, 1 in right middle bronchus, 2 in right lower bronchus and 3 in left upper bronchus. The median diameter of APF was 7.8 mm (ranged from 4 to 18 mm) and the median diameter of ASD occluder inserted was 10.0 mm (ranged from 6 to 20 mm). Successful occlusion of APF was observed in 15 patients (15/16) and 1 patient died of multiple organ failure caused by bacteremia 14 days after the procedure. Fourteen patients were recruited for long-term follow-up, on a median follow-up period of 16.2 months (ranged from 3 to 46 months). There were 12 patients of complete remission and 2 patients of partial remission and only one patient took a second operation due to the enlargement of fistula and translocation of occluder. At follow-up, 4 patients died and the reasons were directly related to the primary etiology, and no patient died due to APF recurrence. Conclusion  Endobronchial closure of central APF using ASD occluder is a minimally invasive but effective modality of treatment with satisfactory long-term outcome.

Citation: TAN Jianlong, CHEN Fengyu, OUYANG Bin, ZHANG Weidong, DENG Hongying, LI Rong, PENG Ran, LIU Zhiguang. Clinical evaluation of endoscopic bronchial closure of central airway-pleural fistulas with the atrial septal defect occluders: long-term follow-up. Chinese Journal of Respiratory and Critical Care Medicine, 2023, 22(6): 403-407. doi: 10.7507/1671-6205.202204024 Copy

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