• Department of Respiratory and Critical Care Medicine, Changhai Hospital, Naval Medical University (Second Military Medical University), Shanghai 200433, P. R. China;
BAI Chong, Email: bc7878@sohu.com
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Objective To evaluate the clinical efficacy of balloon bronchoplasty and metallic stents in lung transplant-related central airway stenosis.Methods Data of lung transplant recipients with central airway stenosis who underwent therapeutic bronchoscopic interventions between January 2011 and June 2019 at our institution were reviewed. The clinical follow-up included dyspnea index, forced expiratory Forced expiratory volume in one second (FEV1), six-minute walk distance (6MWD), and the rate of bronchoscopic dilation.Results Thirty-four lung transplant recipients with airway stenosis were included in our study. All these patients were treated by balloon bronchoplasty through flexural bronchoscopy, and 7 additionally needed temporary metal stent implantation for 28 to 67 days in order to palliate recurrent central airway stenosis. The percentages of immediate efficacy were 86% (180/209) and 100% (7/7), respectively. After serial balloon dilatation, the recipients with central airway stenosis had significantly lower dyspnea index (3.24±0.55 vs. 1.91±0.62, P<0.01), higher FEV1 [(1.43±0.21)L vs. (1.72±0.27)L, P<0.01] and longer 6MWD [(317.3±61.7)m vs. (372.9±52.6)m, P<0.01]. Six recipients with central airway stenosis received 33 interventions in 6 months before stent implantation and 10 interventions in 6 months after stent extraction.Conclusions Lung transplant recipients with central airway stenosis have a good respond to balloon bronchoplasty and stent placement. Airway stenosis after lung transplantation can be successfully managed with bronchoscopic dilatation and temporary stent placement.

Citation: DING Yinfeng, LI Fuqi, HUANG Haidong, DONG Yuchao, ZHANG Wei, SUN Qinying, YAO Xiaopeng, BAI Chong. Clinical analysis of therapeutic bronchoscopy in the treatment of central airway stenosis following lung transplantation. Chinese Journal of Respiratory and Critical Care Medicine, 2020, 19(3): 276-280. doi: 10.7507/1671-6205.202003078 Copy

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