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Topic:Veterinary Procedure
Veterinary procedures in horses encompass a range of medical and surgical interventions performed to diagnose, treat, and manage equine health conditions. These procedures are designed to address various health issues, from routine care to emergency interventions. Common veterinary procedures include vaccinations, dental care, lameness evaluations, reproductive services, and surgical interventions such as colic surgery or fracture repair. This page compiles peer-reviewed research studies and scholarly articles that explore the methodologies, outcomes, and advancements in veterinary procedures for horses, providing insights into their application and efficacy in equine medicine.
Outcome after arthroscopic treatment of lateral femoral trochlear ridge osteochondrosis in sport horses. A retrospective study of 37 horses. To determine the short- and long-term outcome for sport horses after arthroscopic treatment of osteochondrosis of the lateral trochlear ridge of the femur. Methods: A retrospective study was performed using the medical records of horses intended for use as English sport horses. Outcome was obtained through telephone questionnaire. Results: Thirty-seven horses, mainly Warmbloods, underwent arthroscopic surgery for treatment of lateral femoral trochlear ridge osteochondrosis. Short-term outcome revealed that 27 of 37 horses had no complications. Seven horses had postoperative lameness and effusi...
Clinical use of antimicrobial regional limb perfusion in horses: 174 cases (1999-2009). To describe the clinical use of regional limb perfusion with antimicrobials (A-RLP), complications, and outcome in a large series of patients. Methods: Retrospective case series. Methods: 174 horses. Methods: Medical records of horses treated with A-RLP between 1999 and 2009 were reviewed. Signalment, primary complaint, horse use, etiology, duration of clinical signs, previous treatment, structures involved, concurrent conditions, A-RLP characteristics, additional treatments, complications, and outcome were recorded. At long-term follow-up, 2 outcomes were investigated: survival rate and retur...
Flow rates of large animal fluid delivery systems used for high-volume crystalloid resuscitation. Large animal species in states of shock can require particularly high flow rates for volume resuscitation and the ability to deliver adequate volumes rapidly may be a rate-limiting step. The objective of this study was to determine the maximum flow rates of common combinations of IV catheter, extension set, and fluid administration sets. Methods: University veterinary teaching hospital. Methods: In vitro experimental study. Methods: Maximum flow rates were measured using combinations of 4 IV catheters (3 14-Ga and a single 10-Ga), 2 IV catheter extension sets (small bore and large bore), and 2...
Excision of the deep branch of the lateral palmar nerve of horses to resolve lameness caused by proximal suspensory desmitis. To assess outcome after neurectomy of the deep branch of the lateral palmar nerve (DBLPaN) as a treatment for horses with persistent lameness associated with chronic proximal suspensory desmitis (PSD) of the thoracic limb. Methods: Case series. Methods: Adult, mixed-breed horses (n = 4), weighing 510-585 kg, used for amateur show-jumping. Methods: Records of 4 horses chronically lame because of PSD of one or both thoracic limbs that were treated by neurectomy of the DBLPaN were reviewed. The site of pain causing lameness was localized using regional anesthesia. The proximal aspect of the suspe...
Effects of action of proparacaine and tetracaine topical ophthalmic formulations on corneal sensitivity in horses. To compare the corneal anesthetic effects and duration of action of 2 ophthalmic anesthetic agents in horses. Methods: Prospective, randomized masked crossover study. Methods: 8 clinically normal adult horses. Methods: Corneal sensitivity was determined by measuring each eye's corneal touch threshold (CTT) with a Cochet-Bonnet esthesiometer. Each eye's baseline CTT was recorded prior to anesthetic instillation at 0 minutes and every 10 minutes thereafter for 60 minutes. Each eye was randomly assigned to receive 2 of 4 treatments: 0.5% aqueous proparacaine ophthalmic solution (aqueous proparaca...
Equine articular synovial cysts: 16 cases. To report the clinical findings, diagnosis, treatment and outcome of equine patients with articular synovial cysts. Methods: Retrospective case series. Methods: Horses (n = 16) with articular synovial cysts. Methods: Horses diagnosed with articular synovial cysts (1988-2009) at 2 veterinary teaching hospitals were studied. Signalment, history, clinical signs, diagnostic methods and treatment were retrieved and telephone follow-up was obtained. Results: Sixteen horses with articular synovial cysts were identified. Lameness was the reason for referral in most (n = 9) horses. Diagnosis was based ...
Pelvic flexure enterotomy closure in the horse with a TA-90 stapling device: a retrospective clinical study of 84 cases (2001-2008). Our objective was to compare survival and complication rates of horses undergoing pelvic flexure enterotomy closure with a TA-90 stapler to those with hand-sewn closure. Medical records of horses undergoing pelvic flexure enterotomy between 2001 and 2008 were reviewed. History, clinical signs, surgical findings, surgical techniques, and post-operative complications were recorded. Long-term outcome was established by telephone questionnaire. Of 84 pelvic flexure enterotomies performed, 70 were stapled and 14 were hand-sewn. Seventy-seven horses survived to discharge (91.7%). There were no signi...
In vitro mechanical testing of an alternate laryngoplasty system (ALPS) for horses. Mechanical evaluation of a novel alternate laryngoplasty system (ALPS). Methods: Experimental. Methods: Cadaveric horse larynges (n = 10). Methods: Arytenoid and cricoid cartilages were embedded for testing. A novel laryngoplasty system consisting of a metallic anchor, 2 stands of #2 suture material, and a metallic button were evaluated. A traditional laryngoplasty using a single strand of #5 Ethibond was evaluated in parallel. Constructs were evaluated in cyclic testing oscillating from 30 to 50 N for 3600 cycles. Constructs subsequently underwent a single cycle to failure. Distraction during...
Anesthetic management of a horse with traumatic pneumothorax. A traumatic pneumothorax and severe hemorrhage were present in a mare with a large thoracic wall defect, lung perforation, and multiple rib fractures. General anesthesia was induced to allow surgical exploration. We describe the anesthetic technique, and discuss the management of the ventilatory, hemodynamic, and metabolic disturbances encountered. Gestion de l’anesthésie générale d’un cheval avec un pneumothorax d’origine traumatique. Nous décrivons le cas d’une jument présentée avec un important déficit de la paroi thoracique d’origine traumatique, une perforation pulmonaire...
Comparison of single layer staple closure versus double layer hand-sewn closure for equine pelvic flexure enterotomy. Our objective was to compare thoracoabdominal (TA Premium™ 90) stapled enterotomy closure to traditional hand-sewn closure, using time to perform the technique, luminal diameter, and bursting pressure in ex-vivo specimens. The pelvic flexures of 13 client-owned horses were harvested. Each pelvic flexure had 1 enterotomy performed; 6 were closed via staples, 7 closures were hand-sewn. Luminal diameter at the enterotomy site was assessed via contrast radiography performed pre-and post-enterotomy. Bursting pressure of the closure was assessed by continuous manometry during rapid infusion. Time ...
Tenoscopic surgical treatment of tears of the manica flexoria in 53 horses. To determine typical clinical features associated with tears of the manica flexoria (MF) and prognosis for return to athletic function after surgical resection. Methods: Case series. Methods: Medical records (January 2001-December 2011) of horses that underwent tenoscopic surgical treatment of MF tears were reviewed and outcome obtained by telephone questionnaire of owners. Results: Fifty three horses (65 MF tears) were treated; 83% were cobs or ponies. Injuries occurred more frequently in hindlimbs (85%) and effusion of the digital flexor tendon sheath was associated with all MF tears. Follow...
Resolution of hyphaema following intracameral injection of tenecteplase in a Stock Horse. Intracameral injection of tissue plasminogen activator has been suggested as a means of hastening the clearance of blood from the anterior chamber and reducing the risk of synechia and fibrotic membrane formation in horses with hyphaema. The following report describes a case of ocular trauma in which intracameral injection of tenecteplase (TNK), a new-generation plasminogen activator, resulted in rapid resolution of hyphaema and successful outcome. However, a large dose (1 mg) was administered and may have been associated with retinopathy and keratopathy. TNK may be an effective treatment for ...
The role of MRI in selected equine case management. Magnetic resonance imaging (MRI) allows for excellent evaluation of many types of soft tissue and osseous lesions. Using MRI as a diagnostic modality can help in developing an individualized treatment protocol. Case management can include both surgical and medical intervention. Various MRI findings and associated treatment protocols are described.
Imaging of the equine proximal suspensory ligament. Injury to the suspensory ligament can result in significant lameness. Multiple imaging modalities may be required to fully characterize injury to the suspensory ligament. Ultrasonography of the suspensory ligament is challenging, due to the normal anatomy. This article describes imaging of the proximal suspensory ligament in the front and hind limbs of the horse.
Biochemical evaluation of equine articular cartilage through imaging. The use of molecular imaging of cartilage is the next vital step in understanding, treating, and training the equine athlete. Because of the logistics of precontrast and postcontrast medium imaging, the clinical usefulness of the examination has come into question. With the large number of horses undergoing high-field magnetic resonance imaging, the use of contrast medium administration and T1 mapping or T2 imaging precontrast and postcontrast medium administration may add a limited amount of time to the scan and has the potential to provide more detailed information about the chemical composi...
Evaluation of squeeze-induced somnolence in neonatal foals. To test the hypothesis that application of a rope restraint device would result in behavioral, electroencephalographic, and humoral changes consistent with sleep and analgesia in neonatal foals. Methods: 8 healthy neonatal foals. Methods: Following acclimatization to experimental conditions, each foal underwent a series of assessments before and during or at the end of a period of restraint via application of a restraint device (soft linen rope). Assessments included measurements of heart and respiratory rates, rectal temperature, and circulating β-endorphin and steroid hormone concentrations...
Surgical lesions of the small colon and post operative survival in a UK hospital population. There is limited information about risk factors and survival associated with disorders of the small colon requiring surgical management. Objective: 1) To document the types of surgical lesion in horses where pathology of the small (descending) colon was the primary cause of abdominal pain, 2) to describe the short- and long-term survival of these cases and identify factors associated with survival and 3) to identify preoperative variables associated with localisation of a lesion to the small colon. Methods: Clinical data and long-term follow-up were obtained for horses that underwent explorato...
Soft tissue injuries of the tarsocrural joint: a retrospective analysis of 30 cases evaluated arthroscopically. Intra-articular soft tissue injuries of the equine tarsocrural joint have been poorly defined. Methods: All horses that underwent arthroscopic surgery of a tarsocrural joint over a 10 year period were identified. Those with primary intra-articular soft tissue injuries were selected for inclusion and the cases evaluated retrospectively. Results: Two hundred and eighty-one horses underwent tarsocrural joint arthroscopy during the study period, 30 of which met the inclusion criteria (30 joints). A combination of soft tissue lesions was more common than injury to a single structure. Injuries invol...
Antimicrobial use in horses undergoing colic surgery. Recommendations for antimicrobial prophylaxis for surgery are well-described in human medicine, but information is limited for veterinary practice. Objective: To characterize antimicrobial use in horses undergoing emergency colic surgery. Methods: A total of 761 horses undergoing emergency colic surgery (2001-2007). Methods: Retrospective case review. Antimicrobial dose and timing, surgical description, and duration of treatment were collected from medical records. Associations between antimicrobial use and the occurrence of fever, incisional inflammation or infection, catheter-associated comp...
Comparison of peritoneal fluid values after laparoscopic cryptorchidectomy using a vessel-sealing device (Ligasure™) versus a ligating loop and removal of the descended testis. To determine the effect of unilateral laparoscopic cryptorchidectomy and removal of the descended testis on peritoneal fluid values, and to compare effect between 2 methods for cryptorchid testis vessel hemostasis. Methods: Randomized clinical study. Methods: Stallions (n = 10) with unilateral abdominal cryptorchid testis. Methods: During standing laparoscopic cryptorchidectomy, blood vessels within the mesorchium of the cryptorchid testis were either sealed and transected with the LigaSure Atlas™ or 2 ligating loops were placed proximal to the testis and the tissue transected with laparosco...
Use of a deslorelin implant for influencing sex hormones and male behaviour in a stallion – Case report. This case report describes the use of a subcutaneously applied 4.7-mg deslorelin acetate implant in a three-year-old Arabian crossbred stallion showing unwanted strong male behaviour. Following deslorelin acetate implantation the stallion showed a short transitional increase in male behaviour. A 'gelding-like' behaviour was noted 15 days (D15) after treatment. The horse was surgically castrated at the owners request at D52 after treatment. Serum testosterone, oestradiol-17β and oestrone sulphate values decreased after deslorelin acetate implantation, but serum LH and FSH levels remained uncha...
Tenosynoviotomy for sepsis of the digital flexor tendon sheath in 9 horses. To describe a tenosynoviotomy technique for treatment of sepsis of the digital flexor tendon sheath (DFTS) in horses and report long-term outcome. Methods: Case series. Methods: Horses (n = 9). Methods: Horses were positioned in lateral recumbency with the affected limb uppermost. A linear incision was made just lateral to the mesotenon beginning 5 cm proximal to the apices of the proximal sesamoid bones, extending 2 cm distal to the bifurcation of the superficial digital flexor tendon (SDFT). The incision was continued through the skin, subcutaneous tissue, palmar/plantar annular ligament, an...
The story of equine atypical myopathy: a review from the beginning to a possible end. Atypical myopathy (AM) is a frequently fatal seasonal pasture myopathy that emerges in Europe. Outbreaks are of an acute and unexpected nature and practitioners should be prepared to handle these critically ill patients. This review retraces the history of AM and describes results of epidemiological investigations that were conducted to raise hypotheses concerning the etiology of this devastating disease as well as to be able to suggest potential preventive measures. Also, clinical studies have contributed to a better definition and recognition of the syndrome, whereas elucidation of the patho...
Presumptive bacterial translocation in horses with strangulating small intestinal lesions requiring resection and anastomosis. To document whether presumptive bacterial translocation (PBT) occurs in horses with small intestinal strangulation (SIS). Methods: Prospective clinical cohort study. Methods: University tertiary care facility. Methods: Thirty-six adult horses with SIS (clinical cases) and 10 adult horses without gastrointestinal disease (control cases). Methods: Sterile collection and bacterial culture of samples from peripheral venous blood, mesenteric venous blood, mesenteric lymphatic tissue, and intestinal aspirates from horses with SIS and control horses without gastrointestinal disease. Results: Five of ...
A behaviour-based pain scale for horses with acute colic: scale construction. A validated tool for assessing the severity of acute abdominal pain is needed for the effective management of colic in horses. Two behaviour-based colic pain scales were constructed by combining together mathematical and judgemental approaches. The mathematical approach identified easily-recognised pain behaviours to select as items. The judgemental approach further modified the items and weighted them based on expert-opinion. Thirty equine practitioners assessed the level of pain demonstrated in 23 film clips of clinical cases exhibiting signs of acute abdominal pain prospectively using a 10c...
Use of intravenous gadolinium contrast in equine magnetic resonance imaging. The use of intravenous gadolinium contrast during equine magnetic resonance imaging (MRI) is a new technique that has been infrequently used in clinical imaging. This article describes the development of an effective contrast dose and the use of gadolinium contrast in clinical equine MRI. Gadolinium contrast improves lesion conspicuity across a broad range of lesion types. Contrast-enhanced MRI is potentially a valuable imaging tool in the assessment of the equine athlete.
A review of equine laparoscopy. Minimally invasive surgery in the human was first identified in mid 900's. The procedure as is more commonly practiced now was first reported in 1912. There have been many advances and new techniques developed in the past 100 years. Equine laparoscopy, was first reported in the 1970's, and similarly has undergone much transformation in the last 40 years. It is now considered the standard of care in many surgical techniques such as cryptorchidectomy, ovariectomy, nephrosplenic space ablation, standing abdominal exploratory, and many other reproductive surgeries. This manuscript describes the hi...
