Fair in cases that are rapidly treated but poor in foals with evidence of hypovolaemia and septic shock. Surgical cases also carry a poorer prognosis than cases which are resolved medically. In a recent study, long term survival of 25 affected horses was 33%(37). Failure to relieve the impaction may lead to intestinal rupture. | Fair in cases that are rapidly treated but poor in foals with evidence of hypovolaemia and septic shock. Surgical cases also carry a poorer prognosis than cases which are resolved medically. In a recent study, long term survival of 25 affected horses was 33%(37). Failure to relieve the impaction may lead to intestinal rupture. |