• P C Cui, J S Luo, D Q Zhao, Z H Guo, and R N Ma.
• Department of Otorhinolarnygology Head and Neck Surgery, Tangdu Hospital, Fourth Military Medical University, Xi'an 710038, China.
• Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi. 2016 Apr 7; 51 (4): 286-8.

ObjectiveTo evaluate the efficacy of endoscopic balloon dilation for subglottic stenosis.MethodsThe clinical outcomes of 9 pediatric patients treated with balloon dilation were retrospectively analyzed. There were 8 male and 1 female. Their age ranged from 7 months to 7 years (mean 2.5 years). The degree of stenosis was classified according to Myer-Cotton classification as follows: grade Ⅱ (n=7) and grade Ⅲ (n=2). The causes of the stenosis were postintubation lesions (n=8) and laryngeal penetrating trauma (n=1).ResultsThe patients had undergone 1 to 3 dilations with an average of 1.8 procedures per patient. Six (66.7%) patients were decannulated. Among them, 4(44.4%) were decannulated after one dilation procedure. Pneumothoraces occurred in 2 children postoperatively.ConclusionEndoscopic balloon dilation is an effective, relatively safe and minimally invasive surgical method for patients with low-grade subglottic stenosis.

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