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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.
Current and Future Central Nervous System Surgery-Part 2: Radiculopathy, Vertebral Fractures, and Intracranial Surgery. Equine neurosurgery is a challenge for many surgeons, particularly when central nervous system (CNS) disease is not addressed through ventral cervical stabilization, the most performed neurosurgical procedure. Advances in diagnostic imaging, minimally invasive instrumentation, and computer-assisted surgery are expanding therapeutic possibilities beyond cervical vertebral compressive myelopathy, including radiculopathy, vertebral fractures, and intracranial or intraspinal masses. Emerging techniques-such as percutaneous foraminotomy, facet fixation, targeted decompression, novel implant systems...
Pharmacopuncture with low-dose dexmedetomidine and saline aquapuncture at acupoint Governing Vessel 24 provides sedation in healthy adult horses. To evaluate sedation in horses following pharmacopuncture with dexmedetomidine at acupoint Governing Vessel 24 (GV-24) compared to aquapuncture at GV-24 or an equivalent dose of dexmedetomidine administered via IV or SC routes. Unassigned: 10 adult mares received 4 treatments in a blinded, randomized, crossover design: (1) dexmedetomidine administered at GV-24 (DexmedGV24; 1 μg/kg); (2) saline administered at GV-24 (SalineGV24; 1.5 mL); (3) dexmedetomidine administered SC on the lateral neck (DexmedSC; 1 μg/kg); or (4) dexmedetomidine administered IV (DexmedIV; 1 μg/kg). Sedation scores (fa...
Maggot therapy in horses with traumatic wounds caused by wire fences: Case reports. This study reports the successful use of maggot therapy in four horses with traumatic wounds caused by wire fences, treated in veterinary clinics and under field conditions in southern Brazil. All lesions showed tissue necrosis, purulent discharge, and foul odor, indicating infection and delayed healing. Sterile Lucilia cuprina larvae (L1 stage) were applied directly to the wounds for 48 hours. Rapid improvement was observed, with marked reduction of necrotic tissue, exudate, and odor, and stimulation of granulation tissue in three cases. Complete wound closure occurred between 10 and 60 days ...
Biomechanical assessment of dressage Spanish horses through accelerometry and the immediate effects of a single capacitive resistive electrical transfer session. Capacitive resistive electrical transfer (CRET) is a non-invasive electromagnetic diathermic technique. The effect of its application 24 h prior to exercise, compared to a sham application performed with the device off, was evaluated in 8 Spanish Purebred dressage stallions. CRET was applied bilaterally on the neck, back, and croup. The horses wore an accelerometer fixed on the sternal area during a dressage test, and spatiotemporal stride parameters, total and dorsoventral (DVAA), longitudinal (LAA), and mediolateral accelerometric activities, as well as dorsoventral displacement, were recor...
Repeatability and reproducibility of intraocular pressure measurements in horses using rebound and applanation tonometry. Intraocular pressure (IOP) assessment is a fundamental component of ophthalmic examinations in both veterinary and human medicine. Due to variations in IOP across species and potential differences among examiners, knowledge of normal IOP values obtained using different tonometers is essential. Unassigned: This study aimed to compare the repeatability and reproducibility of IOP values in horses obtained by three different examiners using rebound (Tonovet) and applanation (Tonopen Avia) tonometers. Unassigned: Thirty healthy criollo horses were examined. IOP was measured by three veterinarians w...
How to perform a venogram of the equine foot. The objective of this video is to demonstrate a reliable technique for obtaining diagnostic venogram images of the equine foot. Venogram studies are indicated to assess vascular contrast filling of the equine digit, primarily in cases of laminitis. Unassigned: A healthy university-owned horse was used for demonstration purposes. The protocol was approved by the Virginia Polytechnic Institute and State University IACUC. Unassigned: The horse's shoes are removed, and the foot is cleaned of debris. The horse is sedated and a medial and lateral abaxial nerve block performed. The pastern is clipped...
Development of an Explainable Machine Learning Computational Model for the Prediction of Severe Complications After Orchiectomy in Stallions. The objective of the present study was to apply supervised Machine Learning to predict severe complications after equine orchiectomy. A dataset of 612 cases of orchiectomies in stallions was used for the development of a computational model, among which in 8.5% of cases severe complications (colic, continued stallion-like behaviour, evisceration, funiculitis, haemorrhage, and scrotal infection) were diagnosed post-orchiectomy. Three supervised Machine Learning tools were employed: Logistic Regression (12 different models evaluated), Random Forest (64 models), and Gradient Boosting (8 models). ...
Equine water treadmill. To describe the application of water treadmill exercise for equine fitness and/or rehabilitation in a scientific and clinically reasonable manner. Unassigned: Horses owned by Spy Coast Farm were used for video content. Unassigned: A literature review was performed and compiled in this brief video to provide veterinarians with a comprehensive, evidence-based guide for implementing water treadmill exercise within fitness and rehabilitation programs. Unassigned: Equine water treadmill exercise is an aerobic modality that increases distal limb flexion and range of motion, with no reported adverse ...
Comparison of a Single-Shot Antibiotic Protocol Compared to a Conventional 5-Day Antibiotic Protocol in Equine Diagnostic Laparotomy Regarding Pre- and Postoperative Colonization with Multi-Drug-Resistant Indicator Pathogens. The emergence and spread of multi-drug-resistant (MDR) bacteria pose a growing threat in veterinary medicine, particularly in equine hospitals. This study investigated the colonization and infection dynamics of horses undergoing emergency laparotomy with two distinct antibiotic protocols (single-shot versus 5-day protocol) during hospitalization. Nasal swabs and fecal samples were collected from 67 horses undergoing emergency laparotomy at clinic admission as well as on postoperative days 3 and 10. These were screened for multi-drug-resistant indicator pathogens. As multi-drug-resistant indi...
Wrong turns, right career: an accidental journey into equine surgery. From average school reports to a surgical residency in the USA and running a 17-vet practice, this is the unplanned route Phil Cramp took to finding a career he loves.
A rare and unusual case of advanced complete molar pregnancy in an Arabian mare: first report. Molar pregnancy is a rare condition in women, referring to the development of fetal membranes with or without an embryo. A 22-year-old mare referred to the veterinary faculty clinic due to the delayed parturition. In the ultrasound examination, the uterine membranes were seen suspended in fluids without any trace of the fetal organs. The mare underwent caesarean section, a mixture of brown fluid with fragments of fetal membranes was removed, but no fetus or any remnants of the fetus were found in the uterus. In the histopathological examinations, the fetal membranes showed severe degenerative ...
Effect of a Constant Rate Infusion of Ketamine on a Variable Rate Infusion of Xylazine in Standing Horses Undergoing Ventriculocordectomy and Laryngoplasty. Standing sedation in horses provides immobilization and analgesia for surgery while avoiding the high risks of general anesthesia. Ketamine at subanesthetic doses may enhance sedation and reduce xylazine requirements, but evidence in clinical settings is limited. In a randomized blinded trial, we evaluated whether adding a low-dose ketamine infusion could reduce the xylazine dose required for effective sedation during standing ventriculocordectomy and laryngoplasty. Fifty-one horses were randomly assigned to sedation with xylazine alone (SX group) or xylazine plus ketamine (KX group) in a cont...
Parasympathetic tone, cardiovascular variables, and behavioral alterations in conscious horses before and after castration and during anesthesia: A pilot study. Parasympathetic tone activity (PTA) and its association with behavior in conscious versus anesthesia in horses are unknown. Objective: To study PTA, heart rate (HR), minimum alveolar concentration (MAC), and mean arterial pressure (MAP) during castration under anesthesia. To study PTA, HR, Horse Grimace Scale (HGS), locomotor activity (LA), and behavior in conscious horses before and after castration. Methods: Pilot study including seven healthy adult horses. After habituation (days 1, 2, and 3), PTAm, HR, HGS, LA, and behavior were investigated during pre-surgery (days 4-, 5-, and one-hour pr...
Laparoscopically assisted cecal cannulation in standing horses. Access to the equine cecum is required for various therapeutic and experimental procedures, including decompression, fluid therapy, and transfaunation. Traditional approaches via laparotomy are highly invasive. This study aimed to describe a minimally invasive, laparoscopically assisted technique for cecal cannulation in standing horses. Unassigned: Seven horses underwent the procedure under sedation and paravertebral anesthesia. Two right flank accesses were created: a 10-mm laparoscopic port for visualization and a 2-cm minilaparotomy for cecal exteriorization. A Foley catheter was inserted ...
Surgical Removal of a Large Maxillary Sinus Mass Containing Three Dental Structures in a Standing Horse. Dental masses such as odontogenic masses, heterotopic polydontia, or ectopic supernumerary teeth have been documented in the equine head. This is the first case report of a large maxillary sinus mass with 3 ectopic teeth in an adult horse. A 14-year-old warmblood gelding was presented for evaluation of chronic right-sided nasal discharge. After imaging exploration, surgery was performed on the standing horse with a conchofrontal sinus trephination and a large maxillary bone (MB) sinusotomy. The examinations revealed a sinusal mass in the right maxillary sinus covered by sinusal mucosa and surr...
Bacterial contamination of covered versus non-covered plates in a sterile operating room in an equine referral center. Surgical site infections (SSI) are a common postoperative complication of equine orthopedic surgery and often increase morbidity and mortality. This study aimed to determine if covering surgical instruments during surgery decreased bacterial environmental air contamination during early opening of surgical packs (EOSP). The authors hypothesized that covering instruments with sterile surgical towels would reduce the total number of bacterial colonies to which the instruments were exposed. Blood agar plates (BAP) were allocated into two groups (non-covered vs. covered with a sterile huck towel)...
Effects of intrauterine ozone insufflation in eleven subfertile mares: a case series. Equine persistent breeding-induced endometritis can lead to chronic uterine inflammation and fibrosis, reducing fertility. Intrauterine ozone (O₃) has recently been proposed as a potential treatment for mares unresponsive to conventional therapies. This case series describes O₃ treatment in eleven mares barren for at least one year despite multiple inseminations attempts. During the first oestrous cycle, low-volume uterine lavage and endometrial biopsy were performed, followed by 3 consecutive days of intrauterine O₂-O₃ gas insufflation. In the subsequent cycle, both procedures were re...
Intra-rater and inter-rater reliability of ultrasonographic intestinal wall thickness measurements in healthy horses. Abdominal ultrasound is widely used to evaluate the intestinal tract of horses. Despite being a routine examination, there is limited data on the reliability of this diagnostic procedure. Objective: To investigate intra- and inter-rater reliability of ultrasonographic intestinal wall thickness measurements in healthy horses. A second aim was to assess variance within repeated measurements to determine threshold values that distinguish whether differences between repeated examinations are true findings versus solely due to measurement variation. Methods: In vivo reliability study. Methods: Eigh...
Long-term assessment of nephrosplenic space closure in horses. Long-term assessment of nephrosplenic space (NSS) closure and comparisons with ultrasonography and rectal palpation are lacking. The objective was to evaluate NSS closure in 12 research horses 5 y following laparoscopic ablation, using a novel adhesion scoring system, and to assess whether rectal examination and ultrasonographic findings could predict adhesion adequacy. The NSS was examined rectal palpation and ultrasonography prior to surgery, and at 30 d and 5 y after surgery. Ultrasonographic measurements of the distances between the renal fascia and spleen were recorded. The NSS adhesions...
Comparing isoflurane and desflurane: A prospective randomised blinded clinical trial in horses undergoing elective surgery. The recovery period is associated with the greatest risk of injury for horses undergoing anaesthesia. Recovery quality and duration can be influenced by the volatile agent. Methods: This prospective, randomised blinded clinical investigation recruited 101 healthy client-owned horses undergoing elective surgery at one UK equine hospital. Anaesthesia was standardised, and horses were randomly assigned to receive desflurane or isoflurane for maintenance. Horses were ventilated to normocapnia and received dobutamine to maintain mean arterial blood pressure above 60 mmHg. All the patients received ...
Full Clinical Pathological and Bacteriological Investigation of a Giant Nasal Polyp Associated With the Developing Apex of the Permanent Fourth Premolar (Triadan 108) in a 3-year-old Connemara Filly: A Case Report. A 3-year-old Connemara X filly was referred to a UK equine hospital for further investigation of unilateral nasal discharge and facial swelling. Diagnostic imaging documented the presence of a heterogenous, soft tissue opacity with areas of focal mineralisation within the right paranasal sinuses, completely obliterating the nasal cavity, in addition to endodontic disease and significant periapical pathology associated with the right permanent fourth premolar (Triadan 108). Subsequent histopathologic examination confirmed the mass as a fibro-inflammatory polyp.
Development and application of a focused ultrasound protocol in neonatal foals. This study aimed to develop a standardized ultrasound (US) protocol using selected thoracic and abdominal acoustic windows, to assess its feasibility and applicability in healthy foals, and to evaluate its usefulness for detecting common thoracic and abdominal conditions in sick foals. The Focused US (FUS) protocol included 12 thoraco-abdominal windows (4 right-side, 3 ventral, 5 left-side) using a curved-array probe. It was applied to cohorts of healthy (n = 17) and sick (n = 23) foals by a veterinary clinician with limited US experience. The FUS showed good feasibility and applicabil...
Successful Treatment of Acute Respiratory Distress Syndrome in an 8-Day-Old Standardbred Foal With Intratracheal Oxygen Therapy via Temporary Tracheostomy. This report describes an 8-day-old foal diagnosed with acute respiratory distress syndrome (ARDS) successfully managed using a novel approach of intratracheal oxygen delivery. Methods: An 8-day-old Standardbred filly presented for an acute onset of respiratory distress. Given the acute onset, known risk factors, bilateral diffuse infiltrate on thoracic radiographs, and low PaO:FiO ratio of 170.5, the foal was diagnosed with acute respiratory distress syndrome. Initial treatment consisted of antimicrobial therapy (minocycline and metronidazole), nonsteroidal anti-inflammatories (flunixin meglum...
Comparative biomechanical analysis of equine accessory carpal bone fracture repair: Cortical screws in lag fashion versus X-plate technique. To compare the feasibility and biomechanical stability of two surgical techniques for fixation of vertical plane fractures of the accessory carpal bone (ACB). Methods: Randomized experimental ex vivo study. Methods: Eight equine accessory carpal bones were included in a control group. A total of 20 equine cadaveric forelimbs were randomly assigned into two groups (n = 10 per group). Methods: Vertical plane fractures were created palmar to the extensor sulcus using an oscillating saw. In Group 1 (CS), fractures were stabilized with two 4.5 mm cortical screws in lag fashion. In Group 2 (XP...
Videofluoroscopy shows clinically relevant changes in swallow metrics and esophageal transit in normal horses with xylazine, anticholinergic use, and varied feed consistency. To investigate the effects of varied feed consistency and administration of xylazine or N-butylscopolammonium bromide on 3 phases of swallowing and characterize esophageal motility following barium administration via nasoesophageal tube. Unassigned: 8 healthy horses were enrolled for 2.5 consecutive weeks. Horses underwent experimental videofluoroscopic swallow studies before and after sedated and anticholinergic interventions. Esophageal motility was assessed with barium administered via nasoesophageal tube and with barium-admixed feedstuffs of 3 consistencies with increasing viscosity. Phase...
Surgical site infection definitions consensus: a first step toward improving prevention in veterinary medicine. To establish specific veterinary surgical site infection (SSI) terminology to support the creation of consistent, comparable, and repeatable clinical and research datasets. Unassigned: Establishment of SSI definitions by iterative Delphi questionnaires leading to a convergence of consensus opinion by a multidisciplinary panel of 32 specialists in large- and small-animal surgery (European College of Veterinary Surgeons, American College of Veterinary Surgeons), veterinary internal medicine (American College of Veterinary Internal Medicine, European College of Veterinary Internal Medicine, Europ...
Venous Air Embolism in a Horse After Jugular Venous Catheterization: Echocardiographic Diagnosis. A Quarter Horse mare was presented with a history of imidocarb intoxication. During the initial evaluation, the patient presented an initial episode of syncope, in addition to a Grade III/IV diastolic murmur. On the basis of the observed condition, the animal underwent echocardiographic evaluation, in which artifacts were detected and subsequently characterized as air bubbles, restricted to the right cardiac chambers. A diagnosis of venous air embolism resulting from right jugular venocatheterization was made. This is the first reported case of venous air embolism secondary to jugular venocath...
I feel your pain: Individual differences in welfare indicators after castration in horses. Personality affects both experience and expression of pain and the welfare impact of castration on horses is poorly understood. Therefore, the current study observed 19 horses to determine: the welfare impact of standard castration on horses; whether individuals consistently vary in their behavioural and emotional responses to pain; the influence of personality on behavioural and physiological responses to pain; whether Horse Grimace Scale (HGS) indicates how individuals feel about painful experiences. Eye temperature (IRT), salivary cortisol, HGS and a pain ethogram were measured at intervals...
Pilot study: Effects of whole-body vibrational therapy on equine thoracolumbar epaxial muscle response to pressure algometry. Whole-body vibrational therapy (WBV) is well-studied in people, but there is a paucity of research regarding its effect on horses. It is suggested that the use of WBV in horses increases performance, aids in recovery, and stimulates nerves, bones, and muscles in ways that normal exercise does not. Objective: The purpose of this pilot study was to determine if frequent WBV therapy sessions affect mechanical nociceptive thresholds based on pressure algometry in horses without clinical signs of lameness or back pain. Methods: The mechanical nociceptive thresholds (MNTs) were measured for 5 horses...
High-metacarpal deep digital flexor tenotomy and Steward clog shoeing for managing chronic refractory laminitis: A retrospective clinical study. To describe outcomes following high-metacarpal deep digital flexor tenotomy (DDFT) combined with Steward clog application in horses and ponies with refractory chronic laminitis. Methods: Retrospective observational study. Methods: Client-owned horses and ponies (7 horses, 8 ponies) with severe refractory laminitis. Methods: Medical records (2018-2019) were reviewed. All underwent standing high-metacarpal DDFT tenotomy proximal to the accessory ligament (AL-DDFT) junction, followed by customized Steward clogs application. Preoperative assessment included radiography and venography. Postoperativ...
