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Topic:Diagnosis
Diagnosis in horses involves the systematic identification of diseases and conditions affecting equine health. This process relies on a combination of clinical evaluations, laboratory tests, imaging techniques, and other diagnostic tools to assess the health status of horses. Veterinarians utilize these methods to identify symptoms, determine the underlying causes of health issues, and formulate appropriate treatment plans. Diagnostic procedures in equine medicine can include blood tests, ultrasound, radiography, endoscopy, and more specialized tests such as genetic screening or advanced imaging modalities like MRI and CT scans. This page aggregates peer-reviewed research studies and scholarly articles that explore various diagnostic techniques, their applications, and advancements in the field of equine veterinary medicine.
Effects of halothane anesthesia on equine liver function. Effects of halothane anesthesia were investigated in ponies prepared surgically with chronic external biliary fistulas (T tubes) to determine the effects on liver function and biliary excretion during 2 hours of anesthesia. Four studies were performed on 2 ponies, 2 to 6 months after surgery with the enterohepatic circulation held intact between studies. Intravenous bile acid infusion was used to maintain steady-state bile flow, bilirubin, and bile acid excretion during each study. Compared with the immediate 2-hour preanesthesia values (base line), halothane caused a 138% increase in bilirubi...
Benzimidazole resistance of equine strongyles: critical tests of several classes of compounds against population B strongyles from 1977 to 1981. From 1977 to 1981, critical tests were conducted on 10 horses naturally infected with population B strongyles. Drugs tested were: oxibendazole (OBZ), 10 mg/kg of body weight (n = 1); albendazole, 10 mg/kg (n = 1); a mixture of thiabendazole (TBZ), 44 mg/kg and trichlorfon, 40 mg/kg (n = 1); a mixture of TBZ at 44 mg/kg with piperazine (PPZ) at 55 mg of base/kg (n = 1); febantel (FBT), 6 mg/kg (n = 3), 12 mg/kg (n = 1), or 24 mg/kg (n = 1); and pyrantel (PRT) pamoate, 6.6 mg of base/kg (n = 1). Large strongyles, Strongylus vulgaris (9 horses) and S edentatus (5 horses), were effectively removed...
Splenic lymphosarcoma in a horse. A 10-year-old Tennessee Walker gelding, with a history of progressive weight loss, intermittent colic and lethargy, had a slight fever, tachycardia, tachypnea, pallor, ascites and marked ventral edema. Blood analyses revealed anemia, leukocytosis, neutrophilia with a left shift, lymphopenia, monocytosis, hypoproteinemia and a slightly increased SDH level. Abdominocentesis produced red-orange fluid with many RBC and an increased fibrinogen content. Rectal palpation revealed a large mass in the left caudal abdominal quadrant. The animal died shortly after resection of the mass. The histopatholog...
[Meconium constipation in foals]. Meconium constipation is observed in a number of foals during every foaling period. The literature on the clinical picture, methods of treatment and complications, is reviewed in the present paper. In addition, the cases of seventy-five foals are reviewed, in which meconium constipation was suspected and which were submitted to the Internal Disease Department of Large Animals during the period from 1972 to 1982. The clinical picture was found to be due to another disorder in nine cases. Treatment with castor oil and alcohol resulted in discharge of the meconium in fifty-eight cases. Complicati...
Small intestine incarceration through the epiploic foramen of the horse. Fifteen horses were referred to Purdue University or to the University of Georgia because of colic. Each of these horses had small intestine incarcerated through the epiploic foramen. However, signs of pain, gastric reflux, and small intestine distention were not consistent signs, as would have been expected with small intestine strangulation/obstruction. In 10 of the 15 cases, abdominal fluid analysis provided the decisive information needed for surgical intervention. Surgery was performed in 14 cases. The small intestine was incarcerated through the epiploic foramen in a right-to-left direct...
Adenocarcinoma of the intestine in a horse: an unusual occurrence. CARCINOMAS of the small intestine, colon and rectum are relatively rare in domestic animals (Cotchin 1960; Jubb and Kennedy 1970; Meagher, Wheat, Tennant and Osburn 1974; Moulton 1978). A survey of 333 tumours in farm animals revealed 39 horse neoplasms (Misdorp 1967). Twenty-eight of those were from horses in an abattoir survey in which 20,000 horses were slaughtered (an incidence of 0.14 per cent). The remaining 11 were tumours sent in by meat inspectors. Only four of the 39 were present in the digestive system. Two of them were metastasising squamous cell carcinomas in the stomach a...
Rodeo roping thumb injuries. Three men with thumb injuries sustained during rodeo roping competition have been treated recently. Two of the thumbs were amputated, and the third was partially avulsed. The mechanism of injury was identical in all three cases. The thumbs were entwined between the rope and saddle horn while reducing the slack in the rope and then subjected to shearing and crushing forces as tension was placed on the rope. These injuries emphasize the importance of keeping the thumb upward and clear of the rope to avoid entrapment between the rope and saddle horn.
Primary renal cell carcinoma in a horse. A case of primary renal cell carcinoma in a 16-year-old mare is reported. The main presenting signs of chronic weight loss and diarrhoea as well as the initial laboratory examination did not directly indicate renal involvement. Follow-up investigations were strongly suggestive of avain tuberculosis. Further laboratory investigation revealed neoplasia, which was confirmed at autopsy.
[An analysis of reproducibility in the determination of the activity of selected enzymes in the blood serum of horses]. Single biochemical analyses can be used for the diagnosis of animal diseases only with the knowledge of the effects that may distort the single result. The study of the repeatability of analyses is described in the four basic enzymes (AST, ALP, GMT, LD), which are most frequently used for diagnosis. The experiment was conducted in a group of ten Kladrub mares. Six blood samples were taken from each of the mares within ten days. The measured values were subjected to statistical processing and repeatability coefficients (r op) were calculated. All the r op values were high (ALP--0.96, LD--0.93, ...
Borrelia sp. infection in a horse. The clinical signs, response to treatment and features of the spirochaete, Borrelia theileri as was found in a horse with suspected borreliasis are described.
