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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.
Antimicrobial effects of equine regenerative medicine products: A systematic review and meta-analysis of in vitro and in vivo studies. Equine regenerative medicine products involving platelet-rich plasma (PRP), mesenchymal stromal cells (MSCs), and their derivatives are increasingly explored for antimicrobial and therapeutic roles, but their efficacy and between-study variability remain unclear. Objective: To systematically review and meta-analyse in vitro and in vivo evidence on antimicrobial effects of equine regenerative medicine products and to evaluate their efficacy against key pathogens. Methods: Systematic review and meta-analysis: METHODS: We followed Preferred Reporting Items for Systematic Reviews and Meta-Analyses...
Core decompression augmented with bone marrow aspirate concentrate for refractory distal sesamoid bone pathology in horses: A retrospective clinical study. To determine short- and long-term outcomes of core decompression combined with autologous bone marrow aspirate concentrate (BMAC) in treating moderate-to-severe refractory distal sesamoid bone (DSB) trabecular pathology in horses. Methods: Retrospective observational study. Methods: A total of 21 client-owned Warmblood horses with DSB pathology unresponsive to conservative management. Methods: Preoperative diagnosis included lameness localization by diagnostic analgesia and magnetic resonance imaging (MRI) confirmation of DSB trabecular pathology. Horses underwent arthroscopic core decompressi...
Intrauterine ozone therapy reduces bacterial load in mares with mixed bacterial endometritis: a longitudinal study. Mixed bacterial endometritis poses a therapeutic challenge in mares due to the coexistence of multiple pathogens with divergent antimicrobial susceptibility profiles. This study evaluated the effects of intrauterine ozone insufflation on uterine bacterial load and endometrial inflammatory response in mares with naturally acquired mixed bacterial endometritis. Fifteen mares with mixed bacterial infection were allocated to two treatment groups: a pathological control group receiving pure medical oxygen insufflation (PC; n = 6) and an ozone-treated group receiving 42 µg/mL ozone for three c...
Retrospective endoscopic assessment of complications associated with nasogastric intubation in horses at a referral hospital. To characterize the incidence of complications confirmed via endoscopy following nasogastric intubation in horses at a referral institution and determine associated risk factors. Unassigned: Medical records of patients having received ≥ 1 nasogastric intubation within 3 days prior to endoscopic examination between March 2021 and March 2025 were identified. Signalment, history, clinicopathologic data, nasogastric intubation procedures, reason for endoscopy, treatment, and outcome were recorded. Complications were categorized by region (nasopharyngeal, esophageal, gastric). Clinical complicati...
The in vitro application of high-intensity laser therapy on equine platelet-rich plasma and autologous protein solution does not alter select cytokine and growth factor concentrations. To quantify the effects of high-intensity laser therapy (HILT) on the concentration of key immunomodulatory cytokines and growth factors in equine platelet-rich plasma (PRP) and autologous protein solution (APS). We hypothesized that HILT treatment of PRP and APS in vitro would increase the concentration of cytokines and growth factors compared to untreated controls. Unassigned: Whole blood was collected from 6 adult horses housed at the University of Pennsylvania in March 2025 and processed into PRP or APS using commercially available systems (Zoetis). Platelet-rich plasma and APS samples wer...
Effect of neonatal rib fracture repair on racing and sales performance in Thoroughbreds. The racing outcome of horses that have undergone surgical repair of neonatal rib fractures is not well documented. Objective: To evaluate the impact of surgical repair of neonatal rib fractures on subsequent sales and racing performance in Thoroughbreds. Methods: Retrospective cohort study. Methods: Medical records of neonatal Thoroughbreds that underwent surgical repair of rib fractures at a referral hospital between 2014 and 2025 were reviewed. Sales and racing data were obtained from publicly available databases. Outcomes assessed included sale price at weanling and yearling sales, total ca...
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...
Histone deacetylase inhibition alters mRNA expression of cell cycle- and senescence-associated genes in primary equine chondrocytes. Cellular senescence is a biological state of a cell that triggers inflammation and gradually contributes to pathological conditions. Unlike programmed cell death, prolonged inhibition of cell division induces a metabolic state in senescent cells, in which they release pro-inflammatory factors that drive inflammation affecting the tissue microenvironment. Along with prolonged excessive mechanical stress, low-grade inflammation raised by senescent chondrocytes may contribute to articular cartilage defects, which are prevalent in ageing populations. Moreover, the use of chemotherapeutics used to ...
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...
Clinical and microbiological evaluation of a phytotherapeutic intrauterine therapy in mares with bacterial endometritis: a preliminary study. Endometritis is a major cause of subfertility in mares and an important source of economic loss in the equine industry. Growing concerns regarding antimicrobial resistance have stimulated interest in alternative therapies. Objective: To evaluate the clinical efficacy of a phytotherapeutic intrauterine treatment in mares with endometritis and its in vitro antimicrobial activity against uterine isolates. Methods: Twenty mares with bacterial endometritis based on uterine culture, cytology, and ultrasonography were randomly assigned to two groups (n = 10). Control mares received uterine lavage fol...
Serum Electrolyte Changes in Foals Receiving Rhodococcus equi-Specific Hyperimmune Plasma. Rhodococcus equi-specific hyperimmune plasma (Re-HIP) is routinely administered to neonatal foals to help prevent rhodococcal pneumonia. In addition to pathogen-specific immunoglobulins, frozen plasma products (FPPs) contain electrolytes that may exceed concentrations found in neonatal foal plasma. Because FPPs are also used to treat failure of passive transfer and sepsis, understanding their effects on neonate homeostasis is crucial. This study evaluated the effects of administration of Re-HIP on the serum concentrations of Na, Cl, K, albumin, and globulin of healthy neonatal foals. Results: ...
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...
