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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.
Comparative clinical and thermographic responses to dexamethasone and saline solution mesotherapy in horses with spinal disorders. Back pain and spinal dysfunction in horses are multifactorial conditions frequently associated with musculoskeletal alterations that may impair mobility, performance, and welfare. Mesotherapy has emerged as a minimally invasive adjunctive approach for managing musculoskeletal disorders; however, comparative clinical responses to different intradermal protocols in equine spinal conditions remain insufficiently investigated. The present study aims to compare the clinical and thermographic responses of two mesotherapy protocols in horses diagnosed with cervical or thoracolumbar spinal disorders. ...
Jejunocecostomy in horses-a review of its unique complexities. Jejunocecostomy (JC), or jejunocecal anastomosis, is arguably the most controversial surgical procedure in equine small intestinal surgery. It is also the only option for resection and anastomosis for a third of small intestinal strangulating lesions in horses. Critics of the procedure identify its low survival and high complication rates as reasons to avoid its use. This review is intended to highlight findings of recent research and clinical studies that validate use of the JC, and to provide some insights into technical aspects of the procedure that might improve its survival rates. Jejunoc...
Fatalities within seven days after equine standing sedation: A prospective, multicentre study. Information regarding mortality associated with standing procedures in horses is sparse. Objective: To report data from >12,000 standing sedations. Methods: Confidential, observational, prospective, multicentre, cohort study. Methods: We collected records of horses/ponies undergoing standing sedation for surgery or advanced diagnostic imaging using at least one top-up or controlled rate infusion (CRI). Procedures were either NON-COLIC or COLIC. Outcome at seven days was recorded as (i) ALIVE, (ii) EUTHANASIA or (iii) DEAD. Data were collected with a portable document format (PDF) questionn...
Computed tomography long-term follow-up of a facial fracture involving the orbit and paranasal sinus. Fractures of the facial bones involving the orbit are challenging conditions that require surgical treatment. Objective: To describe preoperative and postoperative clinical and computed tomographic findings of an orbital rim fracture repaired using a reconstruction plate. Methods: Case report. Methods: A 14-year-old Haflinger mare was presented with an open, depressed and comminuted fracture involving the frontal, nasal, lacrimal and maxillary bone, sinus system and the medial aspect of the orbital rim and wall on the right side, as diagnosed by CT. Fracture repair included orbital rim reconst...
Antibiotics in Veterinary Ophthalmology: Resistance, Stewardship, and Emerging Antibiotic-Sparing Strategies. Antimicrobial resistance (AMR) is a growing challenge in veterinary ophthalmology, particularly in cases of bacterial keratitis, where progressive stromal infection can threaten vision and globe integrity within hours to days. This review synthesizes current evidence on pathogen distribution, antimicrobial susceptibility profiles, multidrug resistance (MDR) prevalence, and determinants of nonsusceptibility in veterinary patients, highlighting the emerging role of antibiotic-sparing alternatives. Across contemporary studies, Staphylococcus pseudintermedius, β-hemolytic streptococci, and Pseud...
Outcome of keratoma removal using different surgical techniques, including a modified partial hoof wall resection: A retrospective study (2004-2025). Keratomas are diseases of the equine hoof that can be associated with intermittent lameness and/or recurrent foot abscesses. Different surgical techniques for keratoma removal have been described. The aim of this retrospective study was to report the short- and long-term postoperative complications after keratoma removal using different surgical techniques: complete hoof wall resection (CR), partial hoof wall resection (PR) and a modified version of PR (MPR). The medical records of horses diagnosed with keratoma and space occupying lesion (SOL) of the hoof wall (2004-2025) at a Veterinary Teac...
Achieving Success in Conventional Equine Embryo Transfer: A Practical Review. Equine embryo transfer is a well-established procedure in horse breeding programs and it's used to increase the number of offspring from valuable mares, obtain embryos from mares in competition and produce foals from mares unable to carry a pregnancy to term. The success of embryo recovery depends mainly on the day of flushing, management of insemination, and the fertility of donor mare and stallion. Other relevant factors include donor age and reproductive status, number of ovulations, operator experience, and flushing technique. Pregnancy rates after transfer are influenced by donor-recipien...
A study of the forces generated during equine cheek tooth extraction. Significant force is often applied when elevating equine teeth from the alveolus during extraction. No previous studies have investigated these forces. Objective: To develop a method to allow measurement of elevation forces (EF) applied during extraction, and to record forces during extraction of cheek teeth in both cadaver specimens and clinical cases, evaluating factors that might affect this and comparing differences between tooth positions and horse signalments. Methods: In vitro experimental study of cadavers and observational study of a convenience sample of clinical cases. Methods: Stra...
Evaluation of Point-of-Care Coagulation Measurement Systems for Activated Clotting Time and Partial Thromboplastin Time in Heparinized and Non-Heparinized Equine Blood. To compare the performance of one point-of-care activated clotting time (ACT) machine (Vet-Tube), one point-of-care activated partial thromboplastin time (aPTT) machine (Coagulation DX), and one bench-top ACT machine (Medtronic ACT II plus) with previously published measurements from stationary devices in whole blood from healthy horses. Methods: Prospective, observational study SETTING: University veterinary teaching hospital, from August 2023 to September 2023. Methods: Thirty healthy university-owned horses. Methods: ACT and aPTT were measured via point-of-care analyzers (ACT POC, aPTT POC)...
Imaging of the Equine Abdomen Using Point of Care Ultrasound (POCUS)-A Resource for the Equine Practitioner. Wireless ultrasound (US) probes for point of care (POC) evaluation of horses presented for veterinary evaluation of colic have become widely available in recent years. The availability and performance of this technology mean POCUS is readily available to the equine practitioner and the technology is well suited to patient evaluation or serial monitoring in first opinion practice. In human health care and veterinary contexts, it has been suggested that there is a need for practitioners to better appreciate the value of POCUS for assessment of gastrointestinal structure and function. This study ...
Ovum pick-up in mares: Evidence review and best practice recommendations using a modified GRADE approach. Ovum pick-up (OPU) is a procedure that is now performed in mares worldwide to harvest oocytes for in vitro embryo production. There is a lack of consensus surrounding best practices for various procedural elements of the technique and recently there has been an increasing focus on the welfare aspects of the procedure. Our objective was to summarize current practice and to develop guidelines for OPU in the mare, using a modified GRADE approach to optimize efficiency and mare welfare. Published evidence on various aspects of the procedure was compiled, and to supplement the relative lack of publ...
Vitrification of in vivo produced equine embryos: Size really does matter! Vitrification rather than slow-freezing has become the method of choice for the cryopreservation of in-vivo produced embryos. It is a simple technique that does not require a programmable freezing machine and relies chiefly on placing the embryo on a surface, rather than within a straw, in a small volume of vitrification solution to achieve extremely rapid cooling rates. However, in the field of equine embryo vitrification size truly does matter. Methodologies for both vitrification and warming prior to transfer are largely dictated by the size of the embryo. Since embryo size is directly rela...
Roux-en-Y gastrojejunostomy and jejunojejunostomy for pyloric obstruction bypass in a horse and a foal. Gastric outflow obstruction in horses is a rare but challenging condition, often resulting from either congenital anomalies or acquired lesions such as chronic ulceration or pyloric polyps. Conventional surgical bypass procedures, including gastrojejunostomy (GJ) or gastroduodenostomy and less commonly duodenojejunostomy, can restore patency but may lead to postoperative complications. Objective: To describe the presentation, surgical management, and postoperative outcome of two horses-an adult and a foal treated with Roux-en-Y gastrojejunostomy combined with a side-to-side jejunojejunostomy (...
Laser neoureterocystostomy to treat ectopic ureters. Ureteral ectopia is an uncommon but clinically important congenital abnormality in horses. If left untreated, it can lead to persistent dermatitis, urinary tract infections, and failure to thrive. Surgical correction is necessary, but traditional approaches have produced mixed results with high morbidity. Identification of a minimally invasive, effective technique would significantly improve prognosis. Objective: To describe the procedure and outcomes of cystoscopic guided laser neoureterocystostomy in three fillies. Methods: Case series. Methods: Retrospective review of three cases treated wi...
Management of Equine Post-Extraction Cheek Tooth Alveoli: Application of Alveolar Plugs. Preservation of dentition remains the primary goal of equine dentistry; however, cheek tooth extraction is required in cases of severe dental pathology. Following tooth extraction, management of the post-extraction alveolus remains a significant clinical challenge due to its large size and susceptibility to contamination with feed material and bacteria. To mitigate these risks, alveolar plugs are commonly used to protect the alveolus, stabilize the blood clot, and support granulation tissue formation. This review summarizes the current case reports and research articles regarding the use of al...
Use of Intraperitoneal Lidocaine in Horses Undergoing Laparotomy for Colic. Perioperative lidocaine is widely used in horses with acute abdomen for its analgesic, prokinetic, anti-inflammatory, and anti-endotoxic effects, although evidence of its visceral analgesic efficacy remains inconclusive. Given the potential of alternative routes of administration for local anaesthetics, this prospective, randomised, unblinded clinical trial evaluated whether intraperitoneal (IP) lidocaine improves early postoperative recovery, including recovery from anaesthesia and the first 24 h after laparotomy for colic. A Multifactorial Numerical Rating Composite Pain Scale for equines wa...
A Surgical Technique for Removal of Setaria digitata From the Anterior Chamber Under Standing Sedation: Outcomes in 12 Horses. To describe a rapid surgical technique for removal of the intraocular nematode Setaria digitata from the anterior chamber of horses under standing sedation and to report clinical outcomes. Methods: Twelve client-owned horses (2021-2026) presented with a motile intracameral worm. Methods: All surgeries were performed under field conditions using standing sedation (xylazine 1.1 mg kg and butorphanol 0.1 mg kg IV), regional nerve blocks (lidocaine 2%), and topical anesthesia (proparacaine). A 2.8 mm uniplanar oblique (~45°) corneal incision was created ventrolaterally approximately 2â€...
The effect of romifidine on endoscopic grading of laryngeal function in horses. To our knowledge, the effect of sedation with romifidine on the grading of laryngeal function in horses has not been studied. Our objective was to examine the effects of romifidine on the grading of laryngeal function and the cross-sectional area of the rima glottis (CSARG). Methods: Ten horses underwent three endoscopic examinations of the larynx: once while unsedated (group R1), once after being sedated with romifidine (0.04Â mg/kg intravenously; group R2) and once again, while still sedated, after receiving a repeat dose of romifidine (0.08Â mg/kg intravenously, total dose; group R3). The r...
Near-Term Extrauterine Pregnancy Secondary To Uterine Rupture In A Mare. Uterine rupture is an uncommon but life-threatening complication of equine reproduction, typically associated with dystocia, uterine torsion, fetal manipulation, or hydrops. Tears may occur in either the uterine horns or body, although involvement of the ventral uterine body is rare. This case report describes an 11-year-old Arabian mare at 350 days of gestation that developed abdominal pregnancy secondary to uterine torsion and full-thickness ventral uterine rupture, resulting in fetal death and the free presence of the fetus within the peritoneal cavity. Surgical removal of the fetus and pri...
Bronchoalveolar lavage changes the ultrasonographic and radiographic appearances of lungs in adult horses. To describe the effect of bronchoalveolar lavage (BAL) on the ultrasonographic and radiographic appearances of lungs of horses being evaluated for equine asthma syndrome (EAS). Unassigned: Prospective observational study enrolling 32 adult horses evaluated for EAS. Ultrasonographic and radiographic examinations of the thorax were performed before and within 3 hours following BAL and scored using previously validated systems. The differences in scores between groups (normal, mild EAS, moderate/severe EAS) were evaluated through the Kruskal-Wallis test, and the differences in scores before and f...
Ultrasound guidance aids in determining the success of equine temporomandibular joint arthrocentesis. The equine temporomandibular joint (TMJ) is divided into two non-communicating joint (discotemporal DTJ and discomandibular DMJ) compartments. Ultrasound has been extensively used as a diagnostic tool in the horse, but previous work has reported that ultrasound-guidance did not improve the success rate of TMJ arthrocentesis. However, this research focused only on the larger, easily accessed, DTJ compartment. However, most of the osseous pathology of the equine TMJ has been reported to be in the smaller DMJ. Unassigned: To determine whether using ultrasound-guidance would reduce the number of a...
Functional and feasibility aspects of orthopedic exoprostheses in quadruped domestic animals: a systematic review. The use of prostheses in animals with partial limb amputation has emerged as an alternative to euthanasia, aiming to improve their quality of life. However, the fabrication and adaptation remain challenging in Veterinary Medicine. This study aims to evaluate, through a systematic review, the determinants of viability, outcomes, and limitations of exoprostheses in domestic animals of varying sizes. A literature search was conducted in ScienceDirect, PubMed, Scopus, Web of Science, and Google Scholar using structure search terms related to prosthesis, veterinary, amputation. After screening and ...
Novel imaging protocol enables myelography of the cervical vertebral column using computed tomography with flexion and extension comparable to x-ray. Radiographic myelography is the traditional diagnostic method for detecting cervical spinal cord compression in horses but it is limited by superimposition and restriction to sagittal plane imaging. Computed tomography (CT) and CT myelography overcome many of these limitations yet previous CT protocols have not allowed dynamic imaging in flexion and extension comparable to radiographs. Objective: To describe and evaluate a novel CT myelography protocol that enables imaging of the equine cervical vertebral column (C to C/T) in flexion, neutral, and extension, and to compare intervertebral angle...
The anterograde tarsal venography enhances vessel visualization compared to the retrograde approach in horses. The objective of this study was to compare the number of vessels of the proximal venous access (ramus cranialis of vena saphena medialis) and the distal venous access (vena digitalis dorsalis communis II) for venography and, consequently, intravenous regional limb perfusion of the tarsal region. Seven horses underwent venographic examination of both hind limbs, divided into two groups: proximal venous access (PG) and distal venous access (DG). Rubber tourniquets were applied to the middle third of the tibia and the proximal third of the III metatarsal bone. Thirty mL of contrast was injected (...
Historical perspectives guide advances in equine minimally invasive soft tissue surgery. Equine minimally invasive soft tissue surgical techniques have increased in demand and frequency with concurrent expansion of training programs under the oversight of the American College of Veterinary Surgeons. Benefits of recent advances in laparoscopic techniques include reduced cost and risk associated with general anesthesia and anesthetic recovery, improved visualization of the surgical field relative to open procedures, and more rapid return to performance, further improving patient welfare and limiting economic loss to the industry following surgical interventions. The evolution of lap...
Piezosurgical partial ostectomy of the incisive bone for an ossifying fibroma removal in a 4-year-old Warmblood gelding. Ossifying fibromas are uncommon in horses and complete surgical excision with premaxillectomy, maxillectomy or mandibulectomy is recommended. Piezosurgery has been previously used in equines only in one study. Objective: To report a case of ossifying fibroma treated with piezosurgery and to describe its follow-up. Methods: Clinical case report. Methods: A 4-year-old Zangersheide gelding was presented for a mass occupying the space of tooth 202. Histology confirmed the diagnosis of ossifying fibroma, which was removed by resection of soft tissues and a slice of the premaxilla with a piezotome. ...
Anatomical assessment of endodontic debridement challenges in severely diseased equine cheek teeth. There is a lack of knowledge on orthograde endodontic techniques in horses and endodontic case selection is mostly empirical currently. Objective: To explore the efficacy of endodontic debridement in severely diseased cheek teeth that are currently deemed unsuitable for endodontic treatment, find where debris is left behind, compare intercanal communications with those described in healthy cheek teeth, explore the effects of endodontic repair mechanisms on endodontic debridement and to investigate the presence of accessory canals and apical deltas in infected parts of the pulp system. Methods:...
Holding immature equine oocytes for up to 3 nights prior to ICSI under practical shipping conditions (10-22 °C) is compatible with blastocyst development. In vitro embryo production via intracytoplasmic sperm injection (ICSI) is widely used in equine reproductive management. Shipping of immature oocytes allows oocyte recovery for ICSI to be performed by referring veterinarians. However, delays in oocyte shipment are common, and their effect on outcomes is unclear. Shipping is typically done at about 22 °C, but previous studies have shown that holding at 15 °C maintains equine oocyte developmental competence. We hypothesized that lower temperatures may better support oocyte viability if the case that delays occur. Oocytes (n = 664) were rec...
Trendelenburg positioning with or without norepinephrine infusion for haemodynamic support in anaesthetised hypovolemic horses. Intraoperative haemorrhage during equine anaesthesia is a rare but potentially fatal complication requiring prompt haemodynamic support. Postural manoeuvres such as Trendelenburg (TL) positioning and vasopressor support augment venous return and improve cardiac output (CO), yet their efficacy in anaesthetised hypovolemic horses remains unstudied. Objective: To evaluate haemodynamic effects of TL positioning during normovolemia and acute haemorrhagic hypovolemia, and to determine whether concurrent norepinephrine (NE) infusion enhances cardiovascular stabilisation. Methods: In vivo experiments....
Standing computed tomographic tenography is reliable in identifying soft tissue lesions within the digital flexor tendon sheath in horses. To determine the diagnostic performance of standing computed tomographic tenography (CTT) in detecting naturally occurring intrathecal lesions of the superficial digital flexor tendon (SDFT), deep digital flexor tendon (DDFT), manica flexoria (MF), and in identifying palmar/plantar annular ligament (PAL) desmitis and constriction in horses undergoing tenoscopy. Methods: Retrospective observational study. Methods: Client-owned horses of various breeds and use, median age of 12.5 years (range: 6-20 years). Methods: A total of 24 horses with inconclusive ultrasonographic and contrast tenograp...
