MANAGEMENT OF LARGE COLON IMPACTION IN HORSES

Document Type : Original Article

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Department of Surgery, Anaesthesiology and Radiology and Department of Internal Medicine and Infectious Diseases, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt.

Abstract

Large colon impaction was diagnosed in 23 working horses of mixed breed. The clinical signs, diagnositic features and treatments were evaluated, and described. Transrectal palpation was helpful in identifying the impaction location, as being pelvic flexure in 7 horses (30.43 %) and right dorsal colon in 16 horses (69.57 %). The horses were classified according to their response to analgesic medication into moderate (medical cases) and severe (surgical cases).
Flunixin meglumine (0.5 mg/kg. b.w. iv, q 6 h), xylazine (0.25-0.5 mg/kg. b.w. iv, q4 h), paraf- fin oil (2L/450 kg.b.w.) and intravenous fluids (1-2 L/h) were administered for all cases, while laparocolotomy was adopted in severe cases. The medically treated cases (17) required 1 to 4 Days to solve the impaction with good prognosis. The severe surgically treated cases (6) were subjected to flank laparocolotomy with good success rate was 83.33% (5 from 6 cases). The clinicolaboratory results obtained from these series showed no detrimental changes in the medical cases, while the surgical cases showed a significant increase in heart rate, respiratory rate and prolonged capillary refill time. In addition, some alterations in their blood and serum biochemical constituents were detected.

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