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Topic:Treatment
Treatments for horses encompasses a range of medical and therapeutic interventions aimed at maintaining or restoring equine health. This field involves the use of pharmaceuticals, surgical procedures, and alternative therapies to address various conditions affecting horses. Common treatments include the administration of anti-inflammatory drugs, antibiotics, and vaccines, as well as physical therapies and nutritional management. Research in this area focuses on evaluating the efficacy, safety, and outcomes of different treatment modalities. This page collects peer-reviewed research studies and scholarly articles that explore the methods, advancements, and clinical outcomes associated with equine treatment practices.
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...
Three-year evaluation of anthelmintic treatment efficacy against equine strongyles in France using FECRT. Reduced anthelmintic efficacy against strongyles in equids is a widespread concern, but up-to-date field data are scarce. The aim of this study was to evaluate, over a three-year period, the efficacy of the anthelmintic (AH) molecules available in France (fenbendazole, pyrantel, ivermectin and moxidectin) against strongyles in equids using faecal egg count reduction tests (FECRTs). A total of 104 complete FECRTs (i.e., required sample size reached) were conducted in 98 groups, involving 749 equids kept in 70 facilities. Fenbendazole-resistant populations were detected in 8/9 groups (89%) from ...
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 ...
The effect of fenugreek (Trigonella foenum-graecum) on stallion spermatozoa motility and vitality in vitro. This study evaluated the effects of Trigonella foenum-graecum L. (fenugreek) seed extract on stallion spermatozoa quality in vitro, focusing on motility, vitality, and functional competence. In vitro spermatozoa analyses showed that fenugreek seed extract did not demonstrate overt cytotoxicity under the tested conditions: S1 = 1562 µg/mL; S2 = 781 µg/mL; S3 = 390.5 µg/mL; S4 = 195.25 µg/mL; S5 = 97.62 µg/mL; S6 = 48.81 µg/mL; S7 = 24.40 µg/mL. Computer-assisted semen analysis (CASA) revealed a concentration- and time-dependent Treatment × Time interac...
Intratumoral para-toluenesulfonamide as a tumor-ablative therapy for equine cutaneous tumors: a case series of three horses. Equine neoplasia, including sarcoids, melanomas, and squamous cell carcinomas, presents therapeutic challenges due to recurrence and limitations of conventional treatments. Para-toluenesulfonamide (p-TLS) is a tumor-ablating agent that is associated with localized tumor necrosis and subsequent lesion resolution. It has been evaluated in human clinical settings as an intratumoral treatment of malignant airway obstruction caused by non-small cell lung cancer. This study aimed to describe the clinical outcomes and tolerability of intratumoral p-TLS in equine neoplasia. Three equine cases, includi...
Limited Effects of High-Intensity Laser Therapy on Clinical and Radiographic Outcomes in Three-Year-Old Arabian Racehorses with Dorsal Metacarpal Disease. Dorsal metacarpal disease (DMD) is a common musculoskeletal injury in young racehorses, and effective non-invasive treatments remain of clinical interest. This study aimed to evaluate whether high-intensity laser therapy (HILT), which was applied as the sole intervention in horses retired from training, reduces the clinical signs of DMD compared with untreated controls. During the 2023-2024 racing seasons, 15 Arabian racehorses diagnosed with DMD were enrolled; 9 received HILT and 6 served as controls without laser therapy. The treatment protocol consisted of five daily HILT sessions followed ...
Electrochemotherapy Following Surgical Cytoreduction for the Treatment of Recurrent Equine Sarcoids: A Retrospective Study of 23 Lesions. Despite the wide range of therapeutic options currently available for equine sarcoids, recurrence of these lesions remains a major clinical challenge. Consequently, the identification of effective strategies for the management of recurrent sarcoids remains an important objective in equine oncology. The aim of this retrospective study was to evaluate the clinical outcome of surgical cytoreduction combined with intraoperative electrochemotherapy in horses affected by recurrent equine sarcoids. Medical records of horses treated between July 2018 and August 2025 at the Veterinary Teaching Hospital...
Canagliflozin treatment of a horse with hyperinsulinemia, including pharmacokinetic analysis of different dosing protocols: a case report. Laminitis is a complex and painful disease of the equine foot. Insulin dysregulation (ID) resulting in hyperinsulinemia is responsible for more than 90% of cases in the general horse and pony population. Sodium-glucose cotransporter 2 inhibitors (SGLT2i) are a relatively new class of drug that has gained considerable popularity as an off-label treatment of hyperinsulinemia-associated laminitis (HAL) in horses when traditional management changes and treatments are unsuccessful. In Canada, canagliflozin is the SGLT2i most available to equine veterinarians; although no dosing protocols have been ...
Simple and efficient HPLC-MS/MS method for simultaneous extraction and quantification of anthelmintics in equine manure. Anthelmintic treatment is a common practice in horses. The presence of pharmaceutical residues in fields and pastures is well-documented affecting various organisms, like nematodes. This study describes the development and validation of a high-performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) method using multiple reaction monitoring (MRM) for extracting and determining the concentrations of four commonly used anthelmintics in horse manure. Manure was initially dried, then spiked with various concentrations (10-10,000 ng) of anthelmintics and extracted using an acetonit...
Sperm Energy-restriction and Recovery (SER) enhances equine sperm function and embryo development after ICSI. Assisted reproductive technologies (ART) are extensively used in domestic animal reproduction; however, improving their efficiency and consistency remains a major challenge for achieving reliable reproductive outcomes. The equine industry faces unique challenges related to sperm capacitation, which limited the success of conventional in vitro fertilization (IVF) for many years. Consequently, intracytoplasmic sperm injection (ICSI) became the most widely used technique for commercial in vitro embryo production. Even though a successful IVF protocol was recently developed, substantial opportunit...
Combined treatment with valacyclovir and heparin reduced the incidence of equine herpesvirus myeloencephalopathy and improved survival in naturally occurring equine herpesvirus-1 outbreaks. Describe the effects and outcomes of valacyclovir and heparin administration in equine herpesvirus-1 (EHV-1)-exposed horses. Unassigned: A multicenter retrospective study identified 111 horses naturally exposed to EHV-1 from August 2017 to March 2018. Equine herpesvirus-1 infection was confirmed via blood or nasal secretion PCR. Horses that developed neurologic signs were diagnosed with equine herpesvirus myeloencephalopathy (EHM). Clinical signs, treatment, and survival were reported. A subset of horses was treated with valacyclovir and heparin. Prophylactic medication administration was perf...
Parents’ perspectives on equine-assisted occupational therapy intervention for their children with attention deficit hyperactivity disorder (ADHD). This study examined how parents experienced the ASTride Equine-Assisted Occupational Therapy intervention for their children with ADHD, and the meanings they ascribed to changes observed in their children and themselves. Unassigned: Thirteen parents of children aged 7-12 who completed the ASTride intervention participated in in-depth, semi-structured interviews. A grounded theory approach guided the analysis, which included open coding, category mapping, and thematic modeling to identify central processes across narratives. Unassigned: (1) Parents' perceived benefits for children including emo...
Maxillary and mandibular fracture repair using a modified bis-acryl reinforced interdental wiring technique: Description of the technique and report of 11 cases. Repair options for maxillary and mandibular fractures in horses are dictated by the proximity of dentition, fracture configuration, and implant design. Jaw fractures can be repaired by minimising tension forces via intraoral splint constructs when dentition is present on either side of the fracture line. This repair option reduces iatrogenic damage to dentition while achieving reduction and stability until appliance removal. Objective: To first report a modified technique for jaw fracture repair in horses with cadaveric example images. Second, to report the clinical outcome of maxillary and ma...
Gastroscopic Evaluation of Gastric Mucosa in Horses Treated With Flunixin Meglumine or High-Dose Firocoxib: A Descriptive Pilot Study. Equine Gastric Ulcer Syndrome (EGUS) is common in horses, and nonsteroidal anti-inflammatory drugs (NSAIDs) are a known risk factor for gastrointestinal ulceration. Although COX-2 selective NSAIDs such as firocoxib theoretically offer a better safety profile, endoscopic evidence for their mucosal safety at high off-label doses is lacking. Objective: To compare the effects of label-dose flunixin meglumine and high-dose firocoxib on the gastric mucosa of a small selected group of horses using serial gastroscopy and histopathology in a descriptive pilot study. Methods: Twenty mixed-breed horses w...
Synovial fluid oxidative stress index as a biomarker for arthritis severity in thoroughbred racehorses. Arthritis is a major cause of lameness in racehorses. Even when lameness improves, it may recur after training resumes, making it difficult to determine the disease state and when to end treatment. This retrospective observational study examined whether oxidative stress in synovial fluid could assess arthritis status in racehorses. Synovial fluid samples obtained during routine clinical practice from horses with arthritis and control samples obtained from horses without clinical or radiographic evidence of carpal joint disease were retrospectively analyzed. A total of 72 Thoroughbreds in Japan...
A Comprehensive Review of the Equine Gut Microbiome in Health and Disease. Molecular microbiology has revolutionized our understanding of the complex host-associated microbiomes required for normative development and physiology. Horses and other members of the family are particularly reliant on the early maturation and lifelong maintenance of an unusually rich hindgut microbiome for optimal digestion and overall health and performance. Research on the equine gut microbiome has accelerated in the past several years, necessitating a renewed appraisal of the field. The present work is a comprehensive and critical review of the literature regarding the bacterial gastroi...
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...
Effects of Nebulized Alpha-2 Macroglobulin in Horses with Lower Airway Inflammation. Equine asthma is a chronic inflammatory airway disease with limited safe long-term treatments. Alpha-2-macroglobulin (A2M), a natural anti-inflammatory protease inhibitor, may provide a novel non-steroidal therapeutic option for horses with lower respiratory tract inflammation. Objective: To characterize the impact of nebulization with alpha-2-macroglobulin (A2M) on clinical signs, bronchoalveolar lavage cytology, and local and systemic cytokine response in horses with lower respiratory tract inflammation. Methods: Thirteen university-owned horses with lower airway inflammation were randomized...
Correction: Phenylbutazone concentrations in synovial fluid following administration via intravenous regional limb perfusion in the forelimbs of six adult horses. [This corrects the article DOI: 10.3389/fmed.2026.1810077.].
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. ...
Dental disorders are associated with minimal synovial changes in the temporomandibular joint in horses. Dental disorders have been proposed as factors contributing to temporomandibular joint (TMJ) discomfort in horses, but objective evidence linking these conditions to synovial fluid alterations remains limited. This study evaluated whether the severity of dental abnormalities influences the physicochemical and cytological characteristics of TMJ synovial fluid and whether occlusal adjustment induces measurable synovial changes over time. Unassigned: Thirty-three horses were assigned to mild, moderate, or severe dental abnormality groups. Synovial fluid was collected bilaterally from the discotem...
Inhaled Corticosteroids Influence Pulmonary Microbiota in Severe Equine Asthma. The use of inhaled corticosteroids (ICs) could influence the respiratory microbiota. In animals with asthma it is, however, difficult to separate the immunomodulatory effects of ICs from their indirect effects via improvement of ventilation. Our objective was to determine if ICs alter the pulmonary microbiota independently from their effects on lung function, using a blinded, controlled trial in an experimental model of asthma exacerbation in horses. We treated horses with severe asthma with either bronchodilators alone, or in combination with ICs. Twelve horses in exacerbation received long-a...
Efficacy and safety of canagliflozin in insulin dysregulated horses: a 4-week multi-arm, double-blind, randomized, clinical trial. Sodium-glucose cotransporter-2 (SGLT2) inhibitors are promising drugs for treatment of hyperinsulinemia in insulin-dysregulated (ID) horses. Objective: Compare short-term effects of the SGLT2 inhibitor canagliflozin versus placebo on glucose and insulin responses during an oral sugar test (OST) and a forage-based feed challenge test (FCT), and to assess adverse effects. Methods: Forty-two privately owned severely ID horses. Methods: Multi-center, randomized, double-blind, placebo-controlled, parallel-group study. Horses were allocated (1:1:1) to receive canagliflozin (0.6 or 1.2 mg/kg PO q24h...
Equine cyathostomins-Hidden histories. Cyathostomins (also known as small strongyles or small redworms) are ubiquitous parasites of equids. They are found in a wide range of climatic regions, and inhabit the large intestine of their hosts. While infections are often sub-clinical, clinical consequences ranging from chronic to acute, and most notably, acute larval cyathostominosis, can occur in specific circumstances. Control of cyathostomin infection is complicated by widespread drug resistance. This Chapter provides a broad review of cyathostomin biology and host-parasite relationships, and also highlights significant knowledge gap...
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...
Parascaris spp. induced surgical colic in juvenile horses-A Scandinavian perspective. Parascaris spp. commonly infects foals, and high burdens can cause fatal small intestinal impactions. Progressive anthelmintic resistance poses a risk for an increase of Parascaris spp. related disease in juvenile horses. Objective: To investigate Parascaris-related surgical intestinal lesions, with special emphasis on ascarid impactions, in Scandinavia by exploring (1) disease occurrence and (2) short-term survival rates after laparotomy in affected foals and yearlings. Methods: Restrospective case series. Methods: A retrospective clinical record search was conducted at six Scandinavian equin...
Intra-articular 2.5% polyacrylamide hydrogel alters synovial immune pathways in equine experimental osteoarthritis. To determine differential gene expression in synovial tissues following injection of IA 2.5% polyacrylamide hydrogel (2.5% iPAAG), a biocompatible nondegradable synthetic polymer, to treat osteoarthritis (OA). Unassigned: Osteoarthritis was induced in 1 middle carpal joint of 16, 2- to 5-year-old horses (7 mares and 9 geldings) via surgical osteochondral fragment creation in combination with exercise on a high-speed treadmill; the contralateral limb underwent a sham operation. Horses were exercised 5 days per week, beginning on day 16 postoperatively. The osteochondral fragment joint was injec...
