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  • Author or Editor: Samuel Jakovljevic x
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Summary

One hundred two dogs without known gastric lesions were evaluated to establish a reference range of gastric rugal fold thickness (millimeters). Mucosal folds were measureable for 63 examinations, and the length of the second lumbar vertebra was measured for 61 of the 63 (centimeters). Body weight was available in the case records of 29 dogs. Measurements of the mucosal folds were related to body weight (n = 29) and length of the second lumbar vertebra (n = 61) by use of linear regression analysis. Reference range of normal gastric mucosal fold thickness, 1 to 8 mm, was defined by this study for dogs of any breed weighing between 2 and 50 kg.

Free access
in American Journal of Veterinary Research
in Journal of the American Veterinary Medical Association

Abstract

Objective

To evaluate the effect of saline (0.9% NaCl) solution administered IV to induce diuresis on 15 dimensional variables of the kidneys, size of renal pelvis, and diameter of the cranial part of the ureters.

Animals

25 dogs without evidence of renal disease that were undergoing chemotherapy for various neoplasms.

Procedure

The kidneys, cranial aspect of the ureters, and trigone area of the urinary bladder of each dog were examined ultrasonographically before and during IV administration of saline solution (2.7 to 18.8 ml/kg of body weight/h).

Results

Ultrasonography revealed unilateral and bilateral pyelectasis during diuresis in 16 of 23 (70%) dogs but unilateral pyelectasis in only 1 dog before diuresis. Unilateral pyelectasis during diuresis was observed in 11 of 16 (69%) dogs. Pyelectasis during diuresis was categorized as slight in 15 of 21 (71%) kidneys. Degree of pyelectasis during diuresis was not identical in both kidneys of 13 of 16 (81%) dogs. Diuresis did not induce ureterectasis, and it did not cause changes in 15 dimensional variables of the kidneys.

Conclusions

In nonsedated, nonazotemic dogs, IV administration of saline solution to induce diuresis may cause slight pyelectasis without evidence of ureterectasis.

Clinical Relevance

When dilatation of the cranial part of the ureter is > 2 mm at the same time that ipsilateral pyelectasis is detected during ultrasonographic examination of the urinary tract system of a nonsedated, nonazotemic dog receiving IV administration of saline solution to induce diuresis, additional examinations are recommended to determine the possibility of early obstructive nephropathy or pyelonephritis. (Am J Vet Res 1999;60:405-409)

Free access
in American Journal of Veterinary Research
in Journal of the American Veterinary Medical Association