Abstract
Percutaneous glue embolization was investigated as a treatment for bronchopleural fistulae (BPFs) and alveolar-pleural fistulae (APFs) associated with persistent air leak. Seven consecutive patients with persistent air leak were treated with percutaneous glue embolization of the BPF/APF from both iatrogenic and spontaneous causes. Treatment was performed using direct n-butyl cyanoacrylate (nBCA) glue injection for discrete, visible fistulae (n = 4), fibrin glue spray for suspected tiny multifocal leaks (n = 2), or both (n = 1). The number of treatments required per patient was 1 (n = 3), 2 (n = 3), or 3 (n = 1). Technical success was achieved in all cases. Follow-up showed resolution of all air leaks, with mean chest tube removal at 7.1 days after the embolization. The follow-up duration ranged from 2 to 47 months. No significant procedure-related morbidity, mortality, or recurrence was encountered. Percutaneous treatment for persistent BPFs and APFs showed good efficacy in this small case series and warrants further investigation.
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