Overview
Bronchopleural fistula (BPF) is a serious complication characterized by an abnormal communication between a bronchus and the pleural space, often leading to significant morbidity and mortality, particularly in postoperative settings 1.Diagnosis
Clinical Presentation: Persistent air leak, recurrent pneumothorax, or pleural effusion 1.
Imaging: Chest CT with contrast or high-resolution CT to identify fistula location and size 1.
Bronchoscopy: Essential for direct visualization and assessment of fistula characteristics 1.
Measurement Techniques: Volumetric systems can quantify gas leakage, useful during high-frequency jet ventilation 4.Management
First-Line Treatments:
- Endoscopic Techniques: Stent implantation, Argon Plasma Coagulation (APC), and chemical sclerotherapy (e.g., polidocanol) 1.
- Endobronchial Valves: Emphasys endobronchial valves for occlusive therapy in persistent air leaks 2.
Adjunctive Treatments:
- Gelfoam Occlusion: Temporary endobronchial blockage for peripheral BPFs 3.
- Pleurodesis: Chemical or mechanical pleurodesis to promote pleural symphysis 1.
- Surgical Intervention: Decortication or surgical repair for refractory cases 12.Special Populations
High-Risk Surgical Candidates: Endoscopic methods like endobronchial valves may offer less invasive alternatives 2.
Comorbidities: Management strategies should consider overall patient health and risk tolerance 12.Key Recommendations
Utilize Endoscopic Techniques for BPF Closure: Employ stent implantation, APC, and sclerotherapy as initial interventions (Evidence: Moderate 1).
Consider Endobronchial Valves for Persistent Air Leaks: Use Emphasys endobronchial valves in patients unsuitable for surgery (Evidence: Weak 2).
Monitor and Measure Gas Leakage: Implement volumetric systems for precise monitoring during high-frequency ventilation (Evidence: Expert opinion 4).References
1 Ayten O, Ozdemir C, Sokucu SN, Kocaturk C, Onur ST, Altin S et al.. The role of interventional pulmonology for the postoperative bronchopleural fistula. Nigerian journal of clinical practice 2021. link
2 Toma TP, Kon OM, Oldfield W, Sanefuji R, Griffiths M, Wells F et al.. Reduction of persistent air leak with endoscopic valve implants. Thorax 2007. link
3 Jones DP, David I. Gelfoam occlusion of peripheral bronchopleural fistulas. The Annals of thoracic surgery 1986. link62748-8)
4 Ritz R, Benson M, Bishop MJ. Measuring gas leakage from bronchopleural fistulas during high-frequency jet ventilation. Critical care medicine 1984. link