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The medical records of equine gastrointestinal colic cases presented to the Western College of Veterinary Medicine between 1992 and 2002 are reviewed. There was no breed predisposition to colic. Geldings were more prone to colic than females and stallions. Overall, the 3 most common causes of colic ...
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Two horses had a history of ataxia and weakness or recumbency. One recovered and was diagnosed with West Nile virus (WNV) infection by serologic testing. The other was euthanized; it had meningoencephalomyelitis, WNV was detected by polymerase chain reaction. West Nile virus infection is an emerging...
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OBJECTIVE: To compare the outcome of horses with nephrosplenic entrapment of the large colon (NSELC) treated surgically or medically by rolling, administration of phenylephrine hydrochloride (or both), and exercise. DESIGN: Retrospective study. ANIMALS: 11 medically treated horses and 8 surgically t...
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A 13-hour-old Aberdeen-Angus was involuntarily recumbent since birth. Congenital nutritional muscular dystrophy was suspected based on clinical findings, increased serum creatine kinase, and decreased serum vitamin E and selenium levels. Recovery followed after supportive therapy and parenteral vita...
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Abnormal urination and weight loss are the most common presenting complaints in horses with urinary tract disease. This issue of Large Animal Veterinary Rounds discusses urinary tract diseases and describes the causes and diagnoses of polyuria/polydipsia and hematuria in horses.
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Dysphagia is a relatively common disorder encountered by equine practitioners. It can becongenital or acquired, the main problem or part of a multi-systemic condition, and it may beassociated with muscular or neurological diseases. The diagnosis of dysphagia can be challenging
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OBJECTIVE: To evaluate the effectiveness of a self-learning computer module (SLCM) versus traditional instruction in teaching how to pass a nasogastric tube (NG) in the horse. DESIGN: A double-blind, monocentric study. SAMPLE POPULATION: 52 third-year students in the DVM program were randomly assign...
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A 1-month-old cria (Lama pacos) was presented because of depression, anorexia, and diarrhea for 3 days. Although treated for enteritis (intravenous fluids and antibiotics), the cria's condition deteriorated. An abdominal radiograph revealed radiodense materials in the 3rd compartment and intestines....
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A 10-year-old geling was presented with a tongue that had swelled immediately after oral administration of oxfendazole, using an udder infusion cannula. the tongue appeared to have been punctured inadvertently. The horse recovered after treatment with intravenous fluid, antibiotics, and anti-inflamm...
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Jejunal hemorrhage syndrome (JHS) is a newly recognized syndrome that is also called: intraluminal intestinal hemorrhage syndrome bloody gut hemorrhagic bowel syndrome.1 The syndrome affects both dairy and beef cattle.2,3 The etiology is unknown; however, Clostridium perfringens type A has...
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Two beef cows were presented with a history of anorexia and abdominal pain. Both cows were euthanized. Necropsy revealed the presence of a segmental area of ulceration, necrosis, and intraluminal blood clots in the jejunum. Jejunal hemorrhage syndrome is an emerging disease and has not been reported...
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The medical records of 11 cattle with jejunal hemorrhage syndrome were reviewed. Female and male, lactating and pregnant, dairy and beef cattle were affected. Decreased feed intake and milk production, reduced amounts of dark feces, and abdominal discomfort were common historical findings. Common cl...
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OBJECTIVE: To determine historical and clinical findings, treatment, and outcome for cattle with small intestinal obstruction caused by a trichobezoar. DESIGN: Retrospective case series. ANIMALS: 15 cattle. PROCEDURES: Medical records of cattle with a diagnosis of small intestinal obstruction by a t...
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Two beef calves, with a history of anorexia and absence of feces, were dehydrated and bloated on presentation. Intestinal obstruction was suspected based on clinical and laboratory findings. Hairballs obstructing the small intestine were removed surgically and the calves recovered. Intestinal obstru...
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West Nile virus (WNV) has spread across the North American continent, since its introduction in the summer of 1999. The virus first appeared in Canada in Ontario, Quebec, and Manitoba in 2001, Saskatchewan in 2002, and Alberta in 2003. At present, the virus is widespread in the southern portions of ...
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Five hypernatremic, diarrheic, neonatal calves were treated mainly by the intravenous administration of 5% dextrose alone or with isotonic sodium bicarbonate. All calves recovered without complications. The average reduction rate of serum sodium concentration was about 4 times that recommended and h...
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OBJECTIVE: To describe the use of ultrasonography to diagnose large colon volvulus (LCV) in horses. DESIGN: Descriptive report. ANIMALS: 4 horses with clinical signs of abdominal pain. PROCEDURE: Each horse was administered analgesic agents for pain control and placed in stocks. Ultrasonographic eva...
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