Clinical findings and diagnostic procedures in 270 small ruminants with obstructive urolithiasis.

Riedi, Anna-Katharina; Knubben-Schweizer, Gabriela; Meylan, Mireille (2018). Clinical findings and diagnostic procedures in 270 small ruminants with obstructive urolithiasis. Journal of veterinary internal medicine, 32(3), pp. 1274-1282. Wiley-Blackwell 10.1111/jvim.15128

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BACKGROUND Details of the clinical signs of obstructive urolithiasis in male small ruminants have not been documented in a large population. OBJECTIVE To describe the clinical presentation and diagnostic procedures in a large group of small ruminants with urolithiasis. ANIMALS Two hundred and seventy small ruminants (158 sheep and 112 goats). METHODS Retrospective study of 270 cases identified based on clinical records. RESULTS 81.2% affected goats were castrated and 91.7% sheep were intact males; 65.5% of the animals had been sick ≤2 days before referral. Common abnormalities included dysuria (93.6%), indigestion (84.4%), reduced general state of health (79.5%), signs of pain (73%), increased heart and respiratory rates (53.6% and 39.1%), and azotemia (89.4%). Blood urea nitrogen (BUN) and creatinine concentrations were strongly correlated (r  = 0.81). Hypochloremia (52.2%), hyponatremia (43.3%), hypophosphatemia (52.4%), and abnormal potassium concentrations (26.2% hypokalemia and 24.5% hyperkalemia) were the most common serum electrolyte imbalances. Packed cell volume (PCV), plasma proteins, potassium, BUN, and creatinine concentrations were significantly increased in animals with uroperitoneum. Ultrasonography allowed for confirmation of diagnosis in 83.9% of the cases (135/161 with sufficient available information), uroliths were visible on 34 of 56 plain radiographs. CONCLUSIONS AND CLINICAL IMPORTANCE Our study confirmed that clinical and ultrasonographic examinations are sufficient to diagnose urolithiasis. Clinical signs can be divided into an early stage with discrete unspecific clinical signs, a painful stage with frequent straining, expression of pain and moderately reduced general condition, and an advanced stage with a markedly reduced general condition and eventually recumbency.

Item Type:

Journal Article (Original Article)

Division/Institute:

05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV)
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Clinic for Ruminants
05 Veterinary Medicine > Department of Clinical Veterinary Medicine (DKV) > Small Animal Clinic

UniBE Contributor:

Riedi, Anna-Katharina and Meylan, Mireille

Subjects:

600 Technology > 630 Agriculture
500 Science
600 Technology > 610 Medicine & health

ISSN:

0891-6640

Publisher:

Wiley-Blackwell

Language:

English

Submitter:

Nathalie Viviane Zollinger

Date Deposited:

17 Dec 2018 13:19

Last Modified:

11 Mar 2020 11:06

Publisher DOI:

10.1111/jvim.15128

PubMed ID:

29660779

Uncontrolled Keywords:

clinical signs diagnosis goats sheep urinary calculi

BORIS DOI:

10.7892/boris.122138

URI:

https://boris.unibe.ch/id/eprint/122138

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