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Struvite urethral calculus in a three-month-old thoroughbred colt
J R Vacek1, M A Macharg, T N Phillips
1Illinois Equine Hospital, Naperville 60563.
The Cornell Veterinarian
|July 1, 1992
Summary
A 3-month-old colt experienced colic due to a blocked urethra, leading to bladder rupture. The calculus was primarily composed of struvite, indicating a urinary tract issue in this young horse.
Area of Science:
- Veterinary Medicine
- Equine Surgery
- Nephrology
Background:
- Colic is a common presenting sign in horses, necessitating prompt diagnosis.
- Urinary tract obstructions are less common causes of colic but can lead to severe complications.
- Thoroughbreds are a valuable breed, making successful treatment of conditions like bladder rupture critical.
Observation:
- A 3-month-old Thoroughbred colt presented with acute signs of colic.
- Physical examination revealed abdominal distension.
- Diagnostic imaging (radiographs) and abdominal fluid analysis (paracentesis) were performed.
Findings:
- Abdominal paracentesis indicated uroperitoneum, suggesting urine within the abdominal cavity.
- Radiographs and clinical pathology confirmed a urethral obstruction.
- The obstruction was caused by a calculus (stone) that led to urinary bladder rupture.
- Calculus analysis revealed a central tissue core with outer layers primarily of struvite.
Implications:
- Prompt diagnosis and surgical intervention are crucial for survival in cases of uroperitoneum and bladder rupture.
- Struvite calculus formation in young horses may indicate underlying metabolic or dietary factors.
- Understanding calculus composition aids in preventing recurrence and managing equine urinary health.