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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.
Brain Dural Arteriovenous Fistula (BDAVF). The word âfistulaâ means abnormal connection between two structures that are normally not connected. An arteriovenous fistula is an abnormal connection between an artery and a vein.Any part of the body can have a fistula. The brain is surrounded by a tough fibrous cover called âdura materâ or âduraâ.When a fistula forms between an artery and a vein within the dura, it is called Brain Dural Fistula, or Brain Dural Arteriovenous Fistula, or BDAVF, etc.ny part of the body can have a fistula. The brain is surrounded by a tough fibrous cover called âdura materâ or âduraâ. When a fistula forms between an artery and a vein within the dura, it is called Brain Dural Fistula, or Brain Dural Arteriovenous Fistula, or BDAVF, etc.