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From Wikipedia, the free encyclopedia. A bronchopleural fistula (BPF) is a fistula between the pleural space and the lung. It can develop following pneumonectomy, post traumatically, or with certain types of infection. It may also develop when large airways are in communication with the pleural space following a large pneumothorax or other loss of pleural negative pressure, especially during positive pressure mechanical ventilation. On imaging, the diagnosis is suspected indirectly on radiograph.
An anal fistula plug is an elongated piece of material that is placed throughout the length of the fistula tract to fill the tract space and incorporate itself into the tissue around it. The plug also has the advantage of not requiring division of the sphincter muscle.