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Persistent air leaks (PALs) are associated with increased morbidity, prolonged hospital stay, and increased treatment costs. Endobronchial 1-way valves have been recently used as a potential less invasive treatment option. We sought to investigate the effects of valve therapy in treating this condition. The patients with evidence of continuous air leak flow whose chest tubes remained in place for more than 7 days were treated with bronchoscopic closure using 1-way valves. The source of the air leak was identified by the Chartis system.A total of 11 patients (1 woman, 10 men; mean age, 68 years) who underwent valve placement were eligible to be enrolled from January 2015 through January 2017. Six patients had postoperative PAL, and 5 had a secondary spontaneous pneumothorax. The number of used valves varied from 1 to 3 (median 1). The resolution of the leak was complete in 8 patients (72.7%), whose mean duration of air leak before and after valve deployment was 58.5 and 4.5 days, respectively. There were no complications related to the valve deployment.Bronchoscopic placement of 1-way valves is a safe procedure that could help manage patients with prolonged PALs. A prospective randomized trial with cost-efficiency analysis is necessary to better define the role of this bronchoscopic intervention and demonstrate its effect on air leak duration.

Bronchoscopic valve placement for the treatment of persistent air leaks