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Airway stenting has become a common treatment for malignant central airway obstruction. Most airway stents are well tolerated, and life-threatening complications are very rare. Here we describe the case of a life-threatening obstruction due to accumulated respiratory secretions. A 33-year-old man had a massive large cell neuroendocrine carcinoma in the anterior mediastinum, which caused extensive extrinsic compression of the whole trachea. Airway stents were successfully inserted into the whole trachea but 1 week after the procedure, the patient complained of worsening dyspnea due to sticky respiratory secretions accumulated inside the stents. Because the patient could not expectorate a large amount of sticky secretions, frequent bronchoscopic toiletings were performed for 2 months. The stent was well maintained for 7 months till the enlarged tumor causes extrinsic compression because stent revision was performed. About 1 year after the first stent insertion, the patient was admitted to the intensive care unit and intubated because of obstruction of the stent by organized secretions. Fortunately, these secretions were successfully removed and the patient was discharged without any sequelae. Thus, respiratory secretions can cause life-threatening complications after airway stent insertion. Clinicians should be aware of this, and careful examination and close follow-up of such patients are needed.

Life-Threatening Complications of Endotracheal Stenting Caused by Respiratory Secretions