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- W78167418 abstract "The incidence of bronchopleural fistulae (BPF) in post pneumonectomy patients is 2.6-7% with mortality rates of up to 67%. Confirmation of BPF by bronchoscopy, methylene blue instillation, etc. is invasive and difficult. Recently, Xe-133 ventilation scanning has been reported to be useful in detecting BPF in isolated case reports. We have performed eight Xe-133 scans in 5 patients suspected to have BPF. Following the inhalation of 375 MBq Xe-133, routine breathing-in, equilibrium, and washout images were obtained. The scans were correlated with clinical and bronchoscopic findings. Two patients were scanned pre and post surgical-closure; the scans were true positive before closure of BPF, while the postclosure scans were negative, confirming successful closure; preclosure scan of one of these patients demonstrated a bronchopleurocutaneous fistula. Two consecutive scans in the third patient were true negative. Of the remaining two patients accumulation of Xe-133 into a cavitary lesion was noted in one patient, while in the other the scan was true negative. In our small series, the sensitivity and specificity of xenon scans were 100% for BPF. Xe-133 ventilation scanning is a noninvasive, relatively easy, reliable, and accurate procedure for the confirmation of BPF." @default.
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- W78167418 date "1994-05-01" @default.
- W78167418 modified "2023-09-23" @default.
- W78167418 title "Detection of bronchopleural fistulae by XE-133 ventilation imaging" @default.
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