The diagnostic effectiveness of contrast media in the excretory urography in dogs
2005
Velesova, M.(Univerzita veterinarskeho lekarstva, Kosice (Slovak Republic) | Ledecky, V.
A clinical study was conducted to investigate the use of four different positive contrast media, Omnipaque (Nycomed Imaging As.), Optiray (Maliincrodt Medical GmbH), Ultravist (Schering AG), and Urografin (Schering AG) in normograde excretory urography. Investigations were carried out on thirteen dogs. Each group of dogs was administered a different contrast medium. Radiographs were obtained immediately after the administration of contrast media and after a lapse of 5, 10 and 15 minutes. The effectiveness of the application was evaluated by assessing the radiographs of abdominal cavities in ventro-dorsal and latero-lateral positions. None of the dogs showed pronounced side effect after the application of contrast media. Ectopic ureter was diagnosed in three and a prostate cyst in one of the patients. Our results showed that Omnipaque and Ultravist were the contrast agents most suitable for the examination of the urinary apparatus by intravenous contrast excretory urography. Their advantage is that visualisation of the kidneys and ureters achieved by these media are sufficiently long and contrastive.
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