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Ruptured urinary bladder in a post-parturient cow.

J A Smith, T J Divers, T M Lamp

    The Cornell Veterinarian
    |January 1, 1983
    PubMed
    Summary
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    Urinary bladder rupture in a cow after calving caused anorexia and abdominal distension. Surgical repair was successful, highlighting the importance of prompt diagnosis and intervention for bovine bladder trauma.

    Area of Science:

    • Veterinary Medicine
    • Bovine Surgery
    • Ruminant Physiology

    Background:

    • Urinary bladder rupture is a rare but serious complication in cattle, often associated with parturition.
    • Dystocia can increase the risk of bladder trauma during calving.

    Observation:

    • A 2-year-old Angus cow presented with anorexia and abdominal distension 16 days post-parturition.
    • Physical exam revealed dehydration, ascites (50 liters), pneumoperitoneum, absent rumen contractions, and constipation.

    Findings:

    • Laboratory results showed elevated plasma protein, serum urea nitrogen (SUN), and creatinine, with electrolyte imbalances (hypochloremia, hyponatremia, hyperkalemia) and metabolic acidosis.
    • Ascitic fluid had significantly higher urea nitrogen and creatinine levels than serum.
    • Parotid salivary secretion showed a reversed sodium:potassium ratio, suggesting increased aldosterone due to hyponatremia.

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    Implications:

    • Successful surgical repair of the ventral bladder tear demonstrates the viability of surgical intervention for bovine urinary bladder rupture.
    • This case underscores the importance of recognizing clinical signs and diagnostic findings associated with bladder rupture for timely treatment.
    • Understanding the metabolic and electrolyte derangements is crucial for managing affected cattle.