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Topic:Clinical Study
Clinical studies in equine research involve the systematic investigation of health and disease in horses through structured scientific methods. These studies aim to evaluate the safety and efficacy of treatments, understand disease mechanisms, and improve veterinary care practices. Clinical studies can include randomized controlled trials, observational studies, and case-control studies. They may focus on various aspects such as pharmacokinetics, therapeutic interventions, and diagnostic techniques. This page compiles peer-reviewed research studies and scholarly articles that explore the design, implementation, and findings of clinical studies in equine medicine, providing insights into their impact on horse health and veterinary practices.
Haematology as an aid to prognosis of chronic laminitis. A COMMON progression of chronic laminitis is ischaemic
necrosis with secondary infection a frequent complication.
For 6 years we have performed a complete blood count
(CBC) on all hospitalised horses (at the University of Missouri
Veterinary Hospital) every Monday, Wednesday and Friday.
Preliminary scrutiny of the results indicated that persistent
elevation of the total white blood cell count (WBC) and
neutrophilia was consistent with poor prognosis in horses
affected with laminitis. Because of these considerations we
decided to perform a retrospective examination of the blood
cell d...
Enflurane anesthesia in the pony: a comparative study between enflurane and halothane. Enflurane, a new volatile anesthetic agent, was compared with halothane as components of a commonly used clinical anesthetic regime in the pony. Enflurane provides satisfactory general anesthesia when administered at a maintenance concentration of approximately 1.5-2.5%, in combination with a 1:1 nitrous oxide-oxygen mixture. With both agents cardiac rhythm and pulse were stable, however significant arterial hypotension occurred, especially during and following induction, being anesthetic concentration dependent. Hypoventilation was induced by both agents, there being no significant quantitati...
[Pharmacokinetic model studies of sulfamerazine in domestic mammals. 5. Resorption of Mebacid tablets in large animals]. The formula proposed by RITSCHEL (1973) for calculation of rates of resorption is explained and modified for use of the monocompartment model. Resorption rates were calculated for cattle, calf, horse, and sheep, with reference being made to the example of Mebacid tablets. The most favourable rate of resorption was established for calf.
Antiparasitic activity of parbendazole in critical tests in horses. Critical tests were conducted in 11 naturally infected horses to evaluate the anthelmintic activity of parbendazole. Single doses at the rates of 30, 20, 10, 5, or 2.5 mg/kg of body weight were administered by stomach tube to 1, 4, 2, 2, and 2 horses, respectively. Parbendazole was active against Parascaris equorum, Oxyuris equi, Strongylus vulgaris, Strongylus edentatus, and small strongyles throughout the range of doses. Generally, small numbers of P equorum were present, but apparently a dose rate higher than 2.5 mg/kg is necessary for complete clearance. Removal of O equi was virtually 100...
Electroacupuncture elevates blood cortisol levels in naive horses; sham treatment has no effect. It was hypothesized that electroacupuncture releases beta-endorphin and ACTH from the pituitary. Since ACTH induces the release of cortisol from the adrenal glands, blood cortisol level should be enhanced by electroacupuncture. The present result shows that the blood cortisol levels of horses are significantly increased after 30 min of electroacupuncture treatment while the sham treatment (control) shows an insignificant effect.
Bioavailability of bromhexine in the horse. Bromhexine was administered orally (2 mg./kg.) and intravenously (i. v.) (1 mg./kg.) in 3 horses. Plasma levels were measured and the pharmacokinetic behaviour and bioavailability were estimated. The half-life of elimination after i. v. administration ranged from 3.1 to 4.4 hours. The mean values of the apparent volume of distribution and the volume of distribution of the central compartment amounted to 16.2 and 3.3 1./kg., respectively. A very high plasma clearance, ranging from 49.8 to 59 ml./kg./min., was found.
One hour after oral administration, a mean peak plasma level of about 14 ng....
H-Y antigen in a fertile XY female horse. The presence of significantly reduced levels of H-Y antigen in the blood of an XY mare is consistent with the view that H-Y genes comprise a system of testis determinants. Loss or suppression of a critical portion of H-Y genes and subthreshold expression of H-Y antigen could account for a failure of testicular differentiation, thereby allowing a measure of ovarian development in an XY embryo.
