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KMID : 0359320010410030421
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Korean Journal of Veterinary Research
2001 Volume.41 No. 3 p.421 ~ p.427
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Computed tomographic evaluation of experimental hydronephrosis treated with transarterial embolization of renal artery in Beagle dogs
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윤정희/Yoon, Jung Hee
장동우/Chang, Dong Woo
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Abstract
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This study was performed to evaluate the embolized kidney and contralateral normal kidney using computed tomography (CT) and enhanced computed tomography. Experimental hydronephrosis using selective catheterization in the hydronephrotic kidney of seven dogs and EKG, SpO_2, body temperature, pulse, and repiratory rate were within normal ranges during procedures. Iohexol-ethanol solution was used as embolic material. There were no dogs expired after TAE-Ra and no side effects associated with regurgitation of iohexol-ehtanol solution. Revascularization of renal artery was not found in angiography in dogs treated by TAE-RA at immediately after TAE-RA and 14 days after TAE-RA. CT showed dilation of urinary collection system and ventral displacement of spleen at 14 days after TAE-RA in one dog not treat by TAE-RA and experimental group treat by TAE-Ra. CT two month after TAE-RA showed the shrunken embolized kidney in experimental group. TRansverse CT with contrast enhancement demonstrated the increase of signal intensity at thinned renal cortex in control group not treated by TAE-Ra at 30 days and 60 days, however, there was no increase of signal intensity at shrunken embolized kidney at 60 days after TAE-RA. CT was useful modality for evaluation of the morphology and the size of embolized kidney and contralateral normal kidney. Enhanced CT was availabel for the detection of revascularization of renal artery after TAE-RA in dogs with hydronephrosis. It is conclued that CT is useful modality for the monitoring of the revascularization of the renal artery after TAE-RA
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KEYWORD
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