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EFFECT OF CONTRAST MEDIUM DOSE AND IMAGE ACQUISITION TIMING ON URETERAL OPACIFICATION IN THE NORMAL DOG AS ASSESSED BY COMPUTED TOMOGRAPHY
Author(s) -
Barthez Paul Y.,
Begon Dominique,
Delisle Francoise
Publication year - 1998
Publication title -
veterinary radiology and ultrasound
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.541
H-Index - 60
eISSN - 1740-8261
pISSN - 1058-8183
DOI - 10.1111/j.1740-8261.1998.tb01643.x
Subject(s) - medicine , contrast (vision) , computed tomography , contrast medium , nuclear medicine , tomography , radiology , computer vision , computer science
Computed tomography (CT) excretory urography was performed in five adult female dogs after intravenous injection of a bolus of four different doses of water‐soluble iodinated contrast medium (100, 200, 400, and 800 mg1/kg). CT images centered over the urinary bladder were performed before injection and 1,3,5,7,9,11,15,20,25,30,40,50, and 60 minutes after injection. Opacification of both ureters was evaluated by measuring maximum CT number of individual ureters at each time. Time opacification curves were generated for each dose. Best opacification of the ureters was obtained with 400 and 800 mgl/kg, with a constant peak at 3 minutes and durable opacification for 1 hour. Insufficient opacification was obtained with lower dose of 100 and 200 mgI/kg.