Association between ultrasonographic appearance of urine and urinalysis in dogs and cats

Objective To evaluate association between ultrasonographic urine echogenicity and sediment examination in dogs and cats. Materials and Methods Dogs and cats undergoing ultrasound‐guided cystocentesis at a multidisciplinary referral hospital. Ultrasonographic images were stored and reviewed by a sing...

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Bibliographic Details
Published in:Journal of small animal practice 2019-06, Vol.60 (6), p.361-366
Main Authors: Valls Sanchez, F., Puig, J., Olivares, G., Holloway, A., Seth, M.
Format: Article
Language:English
Subjects:
Bacteriuria
Crystalluria
Gravity
Hematuria
Pyuria
Sediment analysis
Sediments
Specific gravity
Ultrasound
Urinalysis
Urine
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Summary:Objective To evaluate association between ultrasonographic urine echogenicity and sediment examination in dogs and cats. Materials and Methods Dogs and cats undergoing ultrasound‐guided cystocentesis at a multidisciplinary referral hospital. Ultrasonographic images were stored and reviewed by a single, blinded, board‐certified radiologist. Urine appearance was described as “echoic” or “anechoic”. Urine sediment was examined for bacteriuria, pyuria, haematuria, crystalluria and urine‐specific gravity and then classified as “active” or “inactive.” Results Of the 194 cases included in this study, urine was echoic in 52 and anechoic in 142. Sediment was active in 52 and inactive in 142 samples. Sensitivity and specificity of echoic urine for active sediment were 40% (95% CI: 27 to 55%) and 78% (95% CI: 70 to 85%), respectively. Positive predictive value and negative predictive value of echoic urine for active sediment were 40% (CI 30 to 52%) and 78% (CI 74 to 82%), respectively. If urine‐specific gravity was
ISSN:0022-4510
1748-5827
DOI:10.1111/jsap.12996