Impaction of right dorsal colon in the horse: report of 32 cases
2001
Mezerova, J. | Kabes, R. | Zert, Z. | Jahn, P. | Hanak, J. (Veterinarni a Farmaceuticka Univ., Brno (Czech Republic))
Acute as well as chronic and recurrent colic episodes were caused by right dorsal colon (RDC) impaction in 7.98 % of all colic patients. Diagnosis of RDC impaction was established on the basis of rectal palpation (68.75 %) or laparotomy (31.25 %). Simple RDC impaction was diagnosed in 16 of 32 cases, in 9 horses the impaction was associated with the large colon displacement or torsion. In 4 horses also small colon impaction together with RDC impaction and in 3 horses impaction of another GIT part were found. Clinical signs of disease were influenced by these pathological findings. RDC impaction was treated conservatively in 28.13 % of patients and surgically in 65.63 % of patients (chronic course of disease, high degree of general health alteration, severe abdominal pain with no reaction to analgesics, cases where the strangulation could not be excluded by rectal palpation or another lesions that cannot be treated conservatively and/or unsuccessful conservative therapy). The following complications occurred after the surgical intervention: repeated impaction (1 case), abortion (2 mares), diarrhoea in convalescence (3 cases), acute laminitis (1 case), wound infection and ventral hernia (1 horse). Chronic recurrent impaction was diagnosed repeatedly (3 times) in one horse. We can conclude that the prognosis in patients with acute and simple impaction is favourable, while in patients in which the disease was complicated by further pathology it is obscured.
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