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Topic:Veterinary Practice
Veterinary practice in relation to horses encompasses the medical care, management, and treatment of equine species. This field involves various aspects of equine health, including preventive care, diagnosis, and treatment of diseases, surgical interventions, and emergency care. Equine veterinarians employ a range of diagnostic tools and techniques such as physical examinations, imaging, and laboratory tests to assess and monitor horse health. In addition to addressing physical ailments, veterinary practice also includes nutritional management, reproductive health, and performance-related issues. This page compiles peer-reviewed research studies and scholarly articles that explore the methodologies, advancements, and outcomes in veterinary practices specific to equine health.
[Septic arthritis of the hoof joint in the horse–diagnosis, radiologic changes and therapy]. A retrospective study (1984-1994) was made of 10 cases of septic arthritis of the distal interphalangeal joint in horses aged 7 months to 17 years. In 6 cases a hind limb was affected, in 4 cases a front limb. The arthritis was caused either by a puncture wound in the sole area (8 cases), by a perforating wound in the coronary region (1) or iatrogenic (1). All horses exhibited a severe lameness at the walk. Radiography showed no typical lesions in fresh cases, whilst later an increasing subluxation of the joint was observed followed by periosteal reactions. Therapy included partial resection o...
Testing methods for exercise intolerance in horses. The many testing methods available and the increasing sophistication of diagnostic equipment have enhanced greatly our capabilities to diagnose causes of exercise intolerance in the equine athlete during the last several years. High-speed treadmill examination has become the focus of this form of evaluation. Not all clinicians perform or have access to high-speed treadmill examinations. Testing methods that require the use of the high-speed treadmill, as well as methods that do not, are discussed.
Modified apparatus for collection of free-flow urine from mares. An apparatus for collection of free-flow urine from female horses is described. This apparatus is a modification of a similar device described previously. It allows the collection of voided urine from adult female horses without confining them to metabolic stables or resorting to invasive procedures like bladder catheterisation. It is relatively easy to use after a short adaptation period.
Exercise intolerance and poor performance in western performance and sprint horses. This article deals with the presenting histories, clinical examinations, and therapies of the causes of poor performance and exercise intolerance in the western performance horse and the sprint racehorse. The veterinarian's ability to diagnose and treat various pathophysiologic conditions that affect these horses is crucial to the major goals of a return to optimal performance and a long athletic career. Although these horses are a significant portion of most veterinary practices, there exists a minimal amount of information on their clinical evaluation and treatment. This article intends to f...
A survey of horses with acute diarrhoea: diagnosis, assessment of the prognosis, and comparison of two antibiotic therapies. Twenty horses, ponies, and foals referred with acute diarrhoea were divided at random into two treatment groups. One group was treated intravenously with trimethoprim/ sulfadiazine and the other group with ampicillin/gentamicin. Both groups were given the same standardized symptomatic therapy. All animals were evaluated clinically and 5 variables (general impression, heart rate, rectal temperature, appetite, and consistency of the faeces) were estimated on a five point scale (0-4). Jugular blood samples were taken at admittance and at regular intervals for routine screening. Three blood variab...
Endodontic therapy and surgical excision of a chronic suppurative osteomyelitic lesion in a horse: a case report. A 22-year-old thoroughbred gelding was presented for evaluation and treatment of chronic dental disease. The horse had a history of quidding and abnormal bite behavior. Intraoral examination revealed signs of chronic generalized gingival inflammation and severe dental caries affecting the maxillary and mandibular incisor teeth. Treatment was provided on two separate visits over an interval of four months. The first visit consisted of the surgical extraction of three unrestorable incisor teeth and restoration of six carious maxillary incisor teeth. The second visit consisted of conventional end...
Treatment of a comminuted frontal-plane fracture of the distal phalanx in a horse. Successful treatment of a comminuted frontal plane fracture of the distal phalanx in a horse is described. The bone fractured through the solar canal, close to the insertion of the deep digital flexor tendon. A hoof case was used to reduce bending and tensile stresses on the solar surface by limiting expansion of the hoof wall during weightbearing. In addition, the heel was elevated, using 3 degrees wedge pads incorporated within the hoof cast, to reduce distraction at the fracture site caused by the pull of the deep digital flexor tendon. Two casts were used over a 4-month period. Complete ra...
Results of a survey of equine practitioners on the use and perceived efficacy of polysulfated glycosaminoglycan. To determine the patterns of use and perceived efficacy of polysulfated glycosaminoglycan (PSGAG) for the treatment of degenerative joint disease in horses. Methods: Cross-sectional mail survey. Methods: 1,522 equine practitioners. Methods: Information was obtained on frequency and route of administration of PSGAG for the treatment of each of 4 forms of degenerative joint disease, the efficacy of PSGAG, and its efficacy compared with that of sodium hyaluronate. Data were analyzed by nonparametric and multivariate regression methods. Results: Response rate was 40.5%. Of practitioners responding...
[Experience with the use of a blood culture system for demonstration of clinically relevant bacteria in veterinary medicine diagnosis]. 268 diagnostic samples from dogs, cats, horses and cattle were examined in a commercially available blood culture system. Samples of blood, liquor, ascites, thorax punctate, synovia and urine were examined with a blood culture system (Oxoid) over a period of two years in cooperation with the veterinary clinical institutes of internal medicine and surgery, Ludwig-Maximilians-University, Munich and different veterinarians. It was shown that this blood culture system, which has been initially developed for the requirements of human bacteriology, can be used for isolation of clinical important mic...
Bioavailability of ketoprofen in horses after rectal administration. Six healthy mares ranging in age from 6 to 12 years and weighing from 415 to 540 kg were used to determine the rectal bioavailability of ketoprofen. For the rectal administration, three different formulations, each containing 1 g of ketoprofen, were administered in a fatty and a hydrophilic suppository base and as a liquid suspension. An average elimination half-life of 1.3 h (+/-1.2) was found. The average value for the total plasma clearance (ClT) was 131.9mL/ min.kg (range 95-183.5). The volume of distribution Vd(area) was 255 mL/kg and the mean residence time (MRT) value was 0.47 h. After ...
[Use of a mix of lidocaine and butorphanol as a caudal epidural anesthesia in a mare]. Loss of rear motor control is the main limiting factor in the use of caudal epidural anesthesia in the horse. In man and laboratory animals, a small dose of an opiate combined with a local anesthetic enhances analgesia without impairing motor function. Thus, the amount of local anesthetic administered may be reduced. Butorphanol is an opiate widely used in horses. It has a good margin of safety and few cardiorespiratory effects. The effects of lidocaine (0.25 mg/kg) and lidocaine-butorphanol (0.25 mg/kg, and 0.04 mg/kg, respectively) were compared in 2 groups of 5 healthy unsedated mares. Hors...
Laparoscopic ovariectomy in two horses with granulosa cell tumors. Two mares were admitted for ovariectomy of unilateral granulosa cell tumors. Both mares were ovariectomized (1 unilateral and 1 bilateral) by use of a ventral abdominal laparoscopic technique. This approach required tilting the operative table 30 degrees to elevate the pelvis and to allow observation of the ovaries. Using a single laparoscopic portal and 3 to 4 instrument portals, a triangulation technique was used. The ovarian pedicles were isolated and secured via loop ligation. The ovaries then were divided from the ligated pedicle and placed within specimen bags for extraction. The specime...
A screening test for subclinical liver disease in horses affected by pyrrolizidine alkaloid toxicosis. To evaluate various biochemical tests as indicators of subclinical liver disease in horses exposed to pyrrolizidine alkaloid toxicosis. Methods: A clinical pathology field study. Methods: Twenty-two clinically normal horses from four properties in the Kimberley region of Western Australia. Methods: Serum samples from each horse were assayed for gamma glutamyltransferase, alkaline phosphatase and aspartate aminotransferase activities, and for serum bile acid concentration, albumin and total protein. Serum protein electrophoresis was performed and their amino acid profiles determined. Bromosulph...
Palmaroproximal approach for arthrocentesis of the proximal interphalangeal joint in horses. A technique was developed for arthrocentesis of the palmaroproximal pouch of the pastern joint. The landmark for percutaneous puncture is a 'V' shaped depression formed by the palmar aspect of the proximal phalanx (P1) dorsally, an eminence associated with the attachment of the collateral ligaments to P1 and the middle phalanx distally and the insertion of the lateral branch of the superficial digital flexor tendon palmarodistally. Comparison of arthrocentesis between the palmaroproximal approach and the traditional dorsal approach in 8 cadavers and 8 horses demonstrated that the palmaroproxim...
Instrument sterilization, skin preparation, and wound management. Recent advances in instrument sterilization include the introduction of gas plasma sterilization and the increased use of glutaraldehyde. Gas plasma sterilization has the advantages of no toxic residue effects, reduced turnover time, and applicability for sterilization of heat- and moisture-sensitive instruments. Chlorhexidine gluconate (4%) appears to be a superior preoperative surgical scrub for both the surgeon and the patient because of its increased antimicrobial efficacy, residual activity, and minimal tissue reactions. There are many new wound dressings and topical medications for treat...
Instrumentation and techniques in locomotion and lameness. The success of a clinical gait laboratory depends on choosing the right equipment, installing it correctly, running calibration checks, and having skilled technical and professional personnel. For kinematic analysis, videographic or optoelectronic systems are the method of choice, with 2-D data being adequate for the majority of equine evaluations. A force plate provides a precise description of the 3-D ground reaction force; transmission of the force through the body tissues is measured using strain gauges attached to the bones and tendons. Accelerometers bonded to the hoof wall provide infor...
Should a doctor prescribe hormone replacement therapy which has been manufactured from mare’s urine? Many clinicians are experiencing consumer resistance to the prescription of equine HRT (that is hormone replacement therapy which has been manufactured from mare's urine). In this paper I consider the ethical implications of prescribing these preparations. I decide that patients should have a right to refuse such treatment but also ask whether a prescribing doctor should choose one preparation over another on moral grounds. I determine that there is prima facie evidence to suggest that mares may suffer and that prescription of equine HRT (instead of synthetic oestrogen-oestriol) would therefor...
Instrumentation and techniques in transendoscopic upper respiratory tract laser surgery. Transendoscopic laser surgery provides equine surgeons with a safe, reliable, and minimally invasive method of performing many surgical procedures in the upper respiratory tract. Although the Nd:YAG laser has proven efficacy, other newer lasers such as the diode and holmium: YAG lasers may prove to be useful tools for equine upper respiratory tract surgery. Long grasping forceps and a high quality fiberoptic or video endoscope are critical components necessary for performing transendoscopic laser surgery. For many of the most common upper respiratory tract abnormalities, a laryngotomy can be e...
Instrumentation and techniques for carbon dioxide lasers in equine general surgery. The carbon dioxide laser has become an important surgical instrument in human and veterinary medicine. The unique properties of this laser make it the instrument of choice for precise incision, coagulation, and vaporization of tissue at the body surface with minimal morbidity to the patient. This article describes the instrumentation and techniques used to perform a variety of equine general surgical procedures with the carbon dioxide laser. The benefits of surgery using the carbon dioxide laser include precise dissection with minimal trauma to adjacent tissues, good hemostasis, and the abilit...
Instrumentation and techniques for treating orthopedic infections in horses. Orthopedic infections-those involving bones, joints, tendon sheaths, or bursae-are some of the most difficult problems for equine surgeons to treat successfully. Sources of the infection are usually hematogenous, traumatic, or iatrogenic and knowledge of the most likely causative bacteria is very useful in selecting the most appropriate antimicrobial(s) to either prevent or treat these infections in horses. This article discusses the clinical findings, diagnosis, treatment, and prevention of orthopedic infections in horses. More recent treatment methods such as synovial drainage techniques (ar...
Surgical materials and wound closure techniques. Recent innovations in surgical materials have helped to enhance wound healing and protect surgical wounds from infection. Materials such as polyglyconate have been evaluated in equine tissues and found efficacious. Other materials, such as poliglecaprone 25, appear to have qualities useful to equine surgery but are untested in equine tissues. Care must be taken to fully evaluate a new surgical material because its usefulness in equine tissues may not match that in human or laboratory animal tissues. Furthermore, use of disposable materials in surgery, although considered ideal for maintenance ...
Advances in equine arthroscopy. Surgical procedures completed under arthroscopic guidance have become commonplace in many equine practices and have largely replaced surgery using arthrotomy incisions. With a limited amount of equipment, numerous diagnostic and surgical procedures can be completed. Surgeons need to become familiar with regional and intraarticular (intrasynovial) anatomy to ensure that proper surgical approaches are used, access to the lesion will be realized, and potential complications will be minimized. Specialized motorized instruments and surgical lasers are now available and may be useful in the treatmen...
Instrumentation and techniques in respiratory surgery. In this article, videoendoscopy in conjunction with high-speed treadmill exercise and other specialized diagnostic techniques used to measure upper airway function are reviewed as they pertain to the four most commonly diagnosed functional upper airway obstructions: (1) laryngeal hemiplegia, (2) arytenoid chondritis, (3) epiglottic entrapment, and (4) intermittent dorsal displacement of the soft palate. Using experimental and clinical findings obtained with these new instruments and diagnostic techniques, current recommendations for surgery of these obstructions are presented.
Instrumentation and techniques in equine gastrointestinal surgery. Recent advances in abdominal surgical techniques in the horse have resulted in improved survival rates and reduced postoperative morbidity. The development of abdominal surgical procedures in horses has paralleled the development of safe anesthetic protocols and innovative technological advancements in humans. Irrespective of the species, the application of sound surgical principles is still the foundation of surgical intervention. This article describes recent advances in equine gastrointestinal surgical techniques. The availability and application of innovative intestinal surgical devices an...
Instrumentation and techniques for laparoscopic and thoracoscopic surgery in the horse. Equine surgery continues to benefit from advances in laparoscopic techniques. Descriptions of the normal anatomy of the standing horse and advances in instrumentation have improved our ability to perform laparoscopic surgery in both standing and dorsally recumbent horses. The common uses for laparoscopy are diagnostic laparoscopy, cryptorchidectomy, ovariectomy, and diagnostic thoracoscopy. Other reported uses include inguinal hernia repair, ruptured bladder repair, and ventral colopexy.
