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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.
Anatomy and Ultrasound-Guided Injection of the Deep Branch of the Lateral Palmar Nerve in the Horse: A Cadaveric Study. Proximal suspensory ligament (PSL) injuries are a common cause of lameness in horses. Localization of pain in the proximal metacarpal and carpal region remains challenging. Current diagnostic analgesic techniques are not PSL-specific. The aim of this study was to investigate the nerve supply of the PSL, with particular focus on the deep branch of the lateral palmar nerve (DBLPaN), and to develop a landmark-based, ultrasound-guided injection technique targeting this nerve. Unassigned: Eighteen limbs from euthanized horses were dissected to describe the anatomy of the DBLPaN and branches, measur...
Diagnostic and Therapeutic Standing Needle Arthroscopy of the Distal Interphalangeal Joint in 36 Horses. The objective of this study is to describe the technique, complications, and outcomes of standing needle arthroscopy of the distal interphalangeal joint (DIPJ) in horses. Unassigned: This is a retrospective study. Unassigned: Five cadaver forelimbs; 36 client-owned horses. Unassigned: A 1.9-mm needle arthroscope was used to evaluate the DIPJ in cadaver limbs and clinical cases. Horses underwent diagnostic and/or therapeutic arthroscopy under standing sedation and local anaesthesia. Data collected included signalment, diagnostic imaging findings, intraoperative findings, complications, and outc...
[Cutaneous vascular hamartoma in a foal]. Vascular hamartomas are rare malformations in foals that typically present as painless masses of the skin or subcutaneous tissue. This case report describes a newborn foal with a vascular mass over the right shoulder. Complete surgical excision was performed at seven days of age. Histologically, the lesion was found to be a well-defined dermal vascular proliferation consistent with a vascular hamartoma. The healing process was uneventful, and no recurrence occurred six months postoperatively. This case adds a rare location on the scapula to the literature and confirms surgical removal as an ef...
Electrocardiographic recording in horses at rest: a concordance analysis of two methods. Cardiac arrhythmias are frequently detected during routine auscultation in athletic horses. Assessment of their clinical significance requires electrocardiography (ECG) to analyze waveforms and intervals. In recent years, portable ECG devices have been introduced to simplify electrocardiographic examination, offering advantages such as ease of use and the ability to review results via a smartphone. This study evaluated the utility and accuracy of a portable ECG device compared with a standard electrocardiograph. Simultaneous ECG recordings were obtained from 28 healthy adult horses at rest usi...
Veterinarian and breeder perspectives surrounding ovum pick-up and intracytoplasmic sperm injection in mares: A survey study. There is an ethical debate about the application of ovum pick-up (OPU) and intracytoplasmic sperm injection (ICSI) in mares. Objective: To survey the opinions of equine veterinarians and breeders of sport horses on the ethics of using OPU-ICSI in mares. Methods: Cross-sectional descriptive study. Methods: Three surveys were distributed. The first targeted breeders ('Breeder Survey') who were actively involved in sport horse breeding. The second targeted veterinarians performing OPU ('OPU-Reprovets Survey'). The third targeted general equine practitioners ('Practitioner Survey'). There were six...
Spatial and temporal radiation exposure during equine bone scintigraphy: Implications for occupational safety and post-scintigraphy isolation. Bone scintigraphy is a valuable diagnostic modality in equine orthopaedics, but it is associated with occupational radiation exposure and regulatory requirements for post-procedural isolation. Objective: To quantify radiation dose rates emitted from horses undergoing bone scintigraphy, to evaluate the effects of distance (spatial) and time (temporal) on radiation exposure, and to derive evidence-based recommendations for post-scintigraphy isolation periods. Methods: Prospective, cross-sectional study. Methods: Twenty warmblood horses underwent musculoskeletal scintigraphy following intravenous...
Walking prior to contrast tenogram radiograph acquisition improves radiological identification of equine digital flexor tendon sheath pathology. the protocol for mobilization of the fetlock region prior to acquiring a contrast tenogram radiograph is not clearly defined. Objective: to determine if walking exercise improves identification of DFTS pathology on contrast tenography. Methods: Prospective cohort study. Nineteen horses that underwent contrast tenography and subsequent surgical tenoscopy were included. A tenogram protocol was developed to enable comparison of diagnostic accuracy after increasing mobilization of the affected limb post-injection. Following contrast injection three tenogram radiographs were taken, (1) immediately ...
Surgical Management of Unilateral Maxillary Molar Teeth Impaction in a Horse. Impaction of equine permanent cheek teeth is most commonly reported in the mandible, whereas maxillary involvement is rare. This report describes an uncommon presentation of congenital impaction of 3 successive maxillary molar teeth in a 4-year-old mare. Computed tomography revealed complex spatial relationships between the impacted teeth, the sinus floor and adjacent structures, which were not fully appreciated on conventional radiography and were essential for surgical planning. Surgical extraction via a maxillary sinus bone flap permitted controlled sectioning and subsequent removal of all ...
Ethical monitoring of ovum pick-up procedures in domestic horses: A standardised self-assessment checklist for responsible veterinary practice. Assisted reproductive technologies (ARTs) have the potential to accelerate genetic improvement in selective equine breeding programmes while addressing specific reproductive challenges. One recent assisted reproductive technique in domestic horse breeding is Ovum Pick-Up combined with Intracytoplasmic Sperm Injection (OPU-ICSI). Despite their advantages, the implementation of these new procedures, like more established breeding methods, raises ethical concerns relating to aspects like animal welfare, staff safety, professional and veterinary practice integrity, which must be monitored and asse...
Depth and distribution of colonic sand accumulation in a desert population of horses and its association with diagnosis of sand colic. To describe patient and management characteristics associated with radiographic sand accumulation in a desert population of horses, as well as identify factors independently associated with a diagnosis of sand colic and need for surgical intervention. Unassigned: Horses were prospectively allocated into 3 groups: control horses, horses with sand colic, and horses with non-sand-associated colic. Signalment, radiographs, and management outcomes were compared between groups. Unassigned: Median depth of sand was significantly greater in horses diagnosed with sand colic compared to other groups (11...
Use of extracorporeal hemoperfusion in a 2-day-old foal with neonatal sepsis. A 2-day-old Miniature Horse filly presented with severe clinical and clinicopathologic findings consistent with neonatal sepsis, failure of transfer of passive immunity, and aspiration pneumonia. The filly initially was treated with broad spectrum antimicrobials, hemodynamic support, and hyperimmune plasma. Because of a lack of improvement within the first 24 h, extracorporeal blood purification and cytokine removal were implemented. The foal underwent hemoperfusion (HP) using a polymer-based device (VetResQ). Reported notable changes during and after treatment included improved physical exam...
Musculoskeletal examination of the hind limb of the horse. The intention of this tutorial video is to illustrate the methods of examining the hind limb and back of a horse in order to identify abnormalities that may be associated with lameness or disease. Unassigned: An 18-year-old quarter horse stallion was used for examination. Unassigned: The horse was examined for abnormalities using physical examination. Unassigned: The examination of the hind limb and epaxial region of the horse was successfully completed. Unassigned: The techniques described are required to identify abnormalities in the equine hind limb and can be utilized during a lameness exa...
Complications Following Nictitating Membrane Resection in Horses: 92 Eyes (2015-2024). The goal of this retrospective study is to evaluate the complications following nictitating membrane resection in horses with the aim of providing valuable information on the risks of this surgical procedure. Methods: 83 horses (92 eyes). Methods: Medical records for 83 horses that underwent nictitating membrane resection in 92 eyes between February 2015 and June 2024 were reviewed. Horses were included if they had at least 1 month of follow-up data available. Owners were contacted via telephone or email questionnaire to obtain follow-up information. Complications were recorded only when pre...
Comparison of xylazine-ketamine-guaifenesin and xylazine-tiletamine-zolazepam protocols for constant rate infusion anesthesia in horses undergoing field castration. The common use of "triple drip" (xylazine, ketamine, and guaifenesin; XKG) is a popular protocol for constant rate infusion (CRI) in equine practice. However, due to restrictions on ketamine and guaifenesin in many countries, tiletamine-zolazepam (TZ) could serve as an alternative. To date, there have been limited studies evaluating the use of xylazine in combination with TZ (XTZ) administered via CRI to maintain surgical anesthesia in equine field practice. Objective: To compare the effectiveness and safety of XTZ infusion with the classical XKG protocol for field anesthesia. Methods: Twelve ...
Ceratohyoidectomy for Management of Unilateral and Bilateral Temporohyoid Osteoarthropathy: Long-Term Outcome in 33 Equids. Temporohyoid osteoarthropathy is a disease affecting the temporohyoid joint in equids caused by local inflammation and/or degeneration, leading to neurological deficits ranging from mild signs that affect performance to significant, acute neurological deficits such as facial nerve paralysis or vestibular signs. Multiple surgical treatment options are available, and while treatment has historically been performed unilaterally on the side of the clinical signs, advances in diagnostic imaging have highlighted the occurrence of bilateral disease of the temporohyoid joints, warranting evaluation of...
Efficiency of transvaginal oocyte aspiration (TVA), post-mortem ovary harvest (OH), and Intracytoplasmic Sperm Injection (ICSI) in a Quarter Horse mare population in North America. In a clinical setting, Intracytoplasmic Sperm Injection (ICSI)-derived equine blastocysts can be obtained either by transvaginal oocyte aspiration (TVA) or post-mortem ovary harvest (OH). Most peer-reviewed retrospective reports have described the suitability of these techniques for obtaining blastocysts, pregnancies, and live foals, particularly in Warmblood horse populations in Europe. In this study, retrospective data from Quarter Horse client-owned mares subjected to TVA-ICSI (n = 105; 151 cycles) or OH-ICSI (n = 42) at an academic institution in North America between 2023 and 2025...
Bacteremia in horses undergoing routine dental prophylaxis: Before, during, and after the procedure. Transient bacteremia after dental procedures is well-documented in the literature, but the prevalence and clinical significance in horses remains largely unexplored. Objective: To assess whether routine dental prophylaxis in clinically healthy horses is associated with detection of bacteria in blood, using culture and 16S rDNA sequencing. Our central hypothesis is that a percentage of horses would demonstrate detectable but transient bacteremia in the immediate post-procedural period following dental prophylaxis. Methods: Prospective, observational study. Methods: Venous blood samples from 20 ...
First experience with radiofrequency catheter ablation in horses with recurrent, persistent naturally occurring atrial fibrillation. Myocardial sleeves in the caudal vena cava and pulmonary veins are a potential trigger for initiation and perpetuation of atrial fibrillation (AF) in horses. Objective: Isolation of myocardial sleeves in the caudal vena cava or pulmonary veins might reduce the risk for AF recurrence. Methods: Case series. Methods: Records from seven horses with persistent, recurrent, naturally-occurring AF that were treated with three-dimensional electro-anatomical mapping and radiofrequency catheter ablation (RFCA) in order to reduce recurrence risk were reviewed. Mapping of the caudal vena cava was performed...
Effects of TECAR Therapy on Body Surface Temperature and Longissimus Dorsi Muscle Tone in Thoroughbred Racehorses: A Pilot Study. Capacitive and resistive electric transfer (TECAR) therapy is increasingly used in equine physiotherapy; however, objective evidence regarding its immediate effects on equine back muscles remains limited. This pilot study aimed to evaluate the effects of TECAR therapy on body surface temperature and muscle tone of the longissimus dorsi muscle in Thoroughbred racehorses. A randomized, single-blinded experimental study was conducted in 20 clinically healthy Thoroughbred racehorses aged 2-3 years. Horses were randomly assigned to either a TECAR treatment group ( = 10) or a sham-treatment control ...
An observational study evaluating the environmental impact of equine arthroscopy. Human pressures on Earth's life‒support systems have exceeded multiple planetary boundaries, highlighting the need for sectors, including veterinary healthcare, to reduce environmental impacts. Methods: A prospective convenience sample of 10 horses undergoing arthroscopy at a UK equine hospital between January and March 2025 was studied. Data were collected on anaesthesia, volatile capture, pharmaceuticals, single-use consumables, waste, building energy and travel by horses and staff. Carbon emissions (kgCOe) were calculated using published conversion factors. A hybrid methodology combined b...
Single-stage orthognathic correction of campylorrhinus lateralis in foals using transection and fixation: Surgical description and outcome of four horses. Campylorrhinus lateralis ('wry nose') is a rare congenital maxillofacial deformity of foals resulting in compromise of the airway and severe class 4 malocclusion. Various surgical techniques to correct the deformity have been described, but contemporary data on single-stage transection and fixation, including use of a rib graft, and long-term functional and cosmetic outcomes remain underreported. Objective: To describe the transection-and-fixation technique and perioperative management used to correct wry nose in horses, and to report postoperative complications and long-term outcomes of horse...
Anatomical Insights Into the Equine Cervical Intervertebral Foramina: Implications for Veterinary Practice. The equine cervical intervertebral foramina (IVF) represent vital anatomical regions facilitating the passage of spinal nerves and associated vasculature. An in-depth understanding of their anatomy is imperative for the safe implementation of diagnostic and surgical interventions. Despite their clinical significance, anatomical descriptions of the equine cervical IVF remain under-characterised in the existing literature, particularly in relation to the needs of equine veterinary surgeons. Our study provides comprehensive anatomical analysis of the IVF at the cervical vertebral levels C5/C6 and...
Hoist failure during recovery transfer in an anaesthetised horse: a near miss analysed through a Safety-II lens. A 660 kg, 11-year-old Irish Sport Horse gelding underwent general anaesthesia for an out-of-hours emergency exploratory laparotomy. After approximately 5 hours of anaesthesia, transfer to the recovery box began, using a ceiling-mounted hoist. As the horse crossed the theatre-recovery interface, the hoist failed due to mechanical disengagement. This resulted in loss of electrical power, leaving the anaesthetised horse suspended approximately 150 cm above the floor for approximately 10 minutes. The horse could not be advanced, reversed, or lowered using standard controls. Activity was paused, an...
Comparison of Rectal and Intraoperative Findings in Horses with Colic. Per rectum examination (PRE) is commonly used in the triage of horses with acute abdominal pain, despite reports of associated risk factors for both horses and personnel, but its diagnostic accuracy is questionable. This multicenter, observational study aimed to evaluate the agreement between PRE findings and surgical findings obtained via exploratory laparotomy in horses with colic. A total of 201 cases from four equine referral hospitals across Europe were included. Rectal findings were categorized as primary (most likely cause of colic) or additional. Agreement with surgical findings was as...
Diagnostic Ultrasound of the Equine Liver. Ultrasound is readily available to most practitioners and can be used in a straightforward manner to assess the liver. The liver can be assessed for size, shape, echogenicity, and architecture. Findings such as masses, cysts, granulomas, and biliary distention can be relatively specific as to suspected disease process. Other findings may be nonspecific but are useful to confirm concerns and aid in refining differential diagnosis. Findings should be interpreted considering the clinicopathologic picture and sampling performed when appropriate. Ultrasound can and should be used to identify optima...
Agreement of a veterinary-specific oscillometric noninvasive arterial blood pressure monitor (SunTech Vet30) with invasive arterial blood pressure in anaesthetised horses. To evaluate agreement between a veterinary-specific oscillometric noninvasive arterial blood pressure monitor and invasive arterial blood pressure (IBP) measurements in anaesthetised horses. Methods: Prospective clinical method-comparison study. Methods: A group of 46 horses undergoing general anaesthesia in dorsal recumbency. Methods: Paired invasive and oscillometric blood pressure measurements were recorded at 15-minute intervals. IBP was measured via a facial artery catheter, and systolic (SAP), diastolic (DAP), and mean arterial pressures (MAP) were recorded. Oscillometric measurements we...
USE OF GUAIFENESIN-KETAMINE-XYLAZINE INFUSION FOR MAINTENANCE OF ANESTHESIA IN CAPTIVE PREZEWALSKI HORSES (EQUUS FERUS PRZEWALSKI ): A CASE SERIES. This case series documents the use of triple drip, a combination of IV guaifenesin, ketamine, and xylazine (GKX) to extend the length of anesthesia in zoo-owned Przewalski horses (). In three separate procedures involving two different animals, GKX was used to prolong and deepen the plane of anesthesia for 90 to 120 min beyond an initial induction dart containing ketamine, butorphanol, azaperone, and medetomidine. The depth of anesthesia was sufficient to permit surgical excision of SC abscesses and other procedures. Throughout the anesthetic events, the horses breathed spontaneously and maint...
Pneumocoele sinus: Computed tomographic findings and surgical approach in a 2-year-old Cob filly. Pneumosinus dilatans and pneumocoele sinus describe abnormal hyperpneumatisation of paranasal sinuses, with the latter being accompanied by thinning of bony walls. Although recognised in human and equine medicine, to the authors' knowledge, this condition's computed tomography (CT) findings and successful surgical approach in horses have not previously been reported in conjunction. Advanced imaging, particularly CT, is pivotal for identifying abnormal sinus expansion and associated nasal obstruction. Methods: Case report. Conclusions: A 2-year-5-month-old Cob filly presented with a 1-month his...
Orchiectomy in horses: closed technique and primary closure of the incision. To provide a video tutorial on how to perform equine castrations using the closed technique and primary closure of the skin. Unassigned: Intact male horses presented to equine veterinary hospitals for castration. Unassigned: The closed castration technique was performed with incisions over the inguinal rings and primary closure. Unassigned: This technique is associated with minimal complications, decreased edema, less pain, lower infection rates, and faster healing. Unassigned: The technique presented in this video tutorial provides a quick and safe method for removing descended as well as non...
Improving Inclusivity in the Curriculum via the Introduction of an Equine Industry-Specific Language eGlossary. The equine veterinary profession is frequently considered inaccessible to veterinary students who have had limited exposure to the equine industry. One of the perceived reasons for this inaccessibility is the use of what is often coined "horsey" language within the industry. If a student has limited experience of the equine industry, there is a potential language barrier to teaching, which may result in poor engagement with equine teaching and placements. The aim of this Teaching Tip is to describe the development and evaluation of a new teaching resource designed to demystify equine industry-...
