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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.
Metabolic effects and pharmacokinetics of oral cannabidiol (CBD) in Connemara ponies following 21 days of treatment. Cannabidiol (CBD) has gained interest in equine medicine due to its potential therapeutic effects. Preclinical studies suggest that CBD may influence metabolic pathways relevant to metabolic syndrome, which present in both human and equine populations. The aim of this study was to evaluate the effects of oral CBD on metabolic parameters in Connemara ponies and to characterize its pharmacokinetics. Unassigned: A total of 13 Connemara ponies [seven with equine metabolic syndrome (EMS)] were stratified by EMS status and age and randomly assigned to a CBD-treated group (2 mg/kg orally, twice dai...
Owner-Reported Cohort Study of Causes, Management and Outcome of Traumatic Wounds in 219 Horses. Current evidence on traumatic equine wounds are predominantly from expert opinion reviews or referral hospital studies. This study aimed to describe the owner-reported causes, management and outcome of equine wounds. An owner-reported cohort approach was used. Owners of horses with recent traumatic wounds were recruited through snowball sampling. Data were collected from initial injury to final healing and outcome, including horse demographics, wound cause and location, owner- and veterinary-administered treatment, and outcome. Descriptive statistics included frequency percentages (%, x/y) and...
Short-term clinical responses in horses and ponies treated with canagliflozin: A clinical field study. Treatment with the sodium-glucose co-transporter 2 (SGLT2) inhibitor canagliflozin in insulin dysregulated (ID) horses has shown promising results in randomised clinical trials. Larger field studies are needed to further evaluate treatment responses and potential adverse effects under real-world conditions. Objective: To assess the short-term effects of canagliflozin on postprandial glucose and insulin responses in client-owned horses and ponies with ID using a single-sample feed-challenge test (FCT), and to characterise treatment-associated changes in bodyweight, liver enzyme activities, and ...
Dexmedetomidine infusions improve cardiovascular and renal function in anaesthetised, experimentally endotoxaemic horses. Dexmedetomidine infusions are beneficial in anaesthetised endotoxaemic horses when administered concurrent to endotoxin, but post-conditioning effects are unknown. Objective: To evaluate whether a dexmedetomidine infusion is beneficial in horses administered Escherichia coli O55:B5 lipopolysaccharides (LPS) endotoxin prior to anaesthesia. Methods: Randomised controlled in vivo experiment. Methods: Ten systemically healthy horses were instrumented for acquisition of cardiac index (CI) using thermodilution. Horses received IV LPS (0.1 μg/kg bwt) immediately prior to anesthesia. Horses receive...
Physical Therapy Intervention With Hippotherapy (HPOT) Affects Balance Control in the Elderly: A Randomized Controlled Trial. Aging is characterized by a decline in functional abilities, strength, balance, flexibility, agility, and coordination due to neurological and muscular changes. Hippotherapy (HPOT) has been recognized for its physical and psychological benefits for older adults. Hence, this study aimed to investigate the effects of hippotherapy on balance in elderly individuals. The novelty lies in using the Biodex Balance System SD for dynamic balance assessment in healthy elderly without neurological disorders. Unassigned: We recruited elderly men aged 60 to 70 who had independent mobility and medical cleara...
Severe Macular Commotio Retinae Following a Fall from a Horse in a Pediatric Patient. Background and Clinical Significance: Blunt ocular trauma is a significant but often underestimated cause of visual impairment, particularly among adolescents involved in high-risk activities such as horseback riding. While most equestrian injuries affect the head and extremities, ocular trauma, especially commotio retinae, can result in severe visual complications. Case Presentation: We report the case of a 15-year-old girl who sustained blunt ocular trauma to the left eye following a fall from a horse and presented with decreased visual acuity. Multimodal imaging revealed outer retinal abnor...
Pharmacokinetics of Ertugliflozin, a Sodium-Glucose Co-Transporter-2 Inhibitor (SGLT2i) in Horses After Enteral Administration. Ertugliflozin is a sodium-glucose co-transporter-2 inhibitor that has demonstrated promise as a treatment for hyperinsulinaemia in horses. Despite the frequent use of ertugliflozin in equine clinical practice, the pharmacokinetics of this drug in horses has not been established. The aim of the present study was to determine the pharmacokinetics of one supratherapeutic dose (0.25 mg/kg) of ertugliflozin in eight horses. Horses were defined as being healthy by physical examination, haematological, blood biochemical and oral sugar test (OST) results. Plasma concentrations of ertugliflozin were qu...
Treatment of ventricular arrhythmias with oral sotalol in four horses. Sustained ventricular arrhythmias (VAs) in horses can require medical intervention. Prompt pharmacological treatment is indicated when the arrhythmia leads to hemodynamic or electrical instability. Established antiarrhythmic treatment of VA in horses includes lidocaine and magnesium, administered parenterally. Other antiarrhythmic agents are used; however, concerns regarding adverse effects, financial restrictions, logistics of administration, and lack of access often limit their use. While anecdotal reports of oral administration of sotalol for treatment of VA in horses exist, sotalol has pri...
The immediate effect of whole-body vibration therapy on mechanical nociceptive thresholds in horses with thoracolumbar pain. Treating primary back pain in horses can be challenging and often necessitates a multimodal approach. Whole-body vibration therapy (WBV) has been used in both horses and humans to alleviate pain and strengthen muscles. A recent study showed worsening back pain following a 30-minute session of WBV; however, the immediate effects of WBV were not evaluated. The purpose of this study was to assess the immediate effects of whole-body vibration therapy on horses with back pain after a single session of WBV. Objective: The objective of the current study was to determine the immediate effects on mecha...
Heart rate variability in horses with naturally occurring gastric ulcers: Response to omeprazole and sucralfate treatment. Equine gastric ulcer syndrome (EGUS) is the most common disease affecting the equine stomach. Heart rate variability (HRV) describes and quantifies the variability between consecutive heartbeats due to the neurohormonal regulation of the heart. It has been considered a non-invasive method to detect autonomic tone changes that can be influenced by pain and disease. Unassigned: This study aimed to assess the HRV indices in horses affected by EGUS submitted or not to treatment. Unassigned: A cohort of 45 mares underwent baseline gastroscopy (T0); 24/45 mares diagnosed with Equine Squamous Gastric...
Clodronate disodium reduced TRAP5b independent of affecting other systemic biomarkers of bone resorption or formation in yearling, exercising Quarter Horses. Clodronate disodium (CD), a bisphosphonate, modulates bone metabolism. Though extra-label use in juvenile horses is anecdotally reported, impacts on skeletal development are unknown. The objective was to determine the effects of CD on systemic markers of bone turnover in yearling horses undergoing exercise, hypothesizing that biomarkers of bone resorption would decrease while biomarkers of bone formation would not change, and that repeat CD treatments would have greater effect. To test this, 32 yearling Quarter Horses were used in a 168-d trial. Horses were stratified by age (500 ± 13 d),...
Clinical and Biochemical Effects of Intra-Articular Autologous Conditioned Serum and Triamcinolone in an Equine Model of Synovitis. Synovitis is a key contributor to the development of OA, and early modulation of the synovial environment may help limit downstream cartilage damage. This study compared the clinical and biochemical effects of intra-articular triamcinolone acetonide (TA) and autologous conditioned serum (ACS) in an equine model of IL-1β-induced synovitis. Six healthy adult horses were used in a crossover design involving five groups: PBS (negative control), IL-1β (positive control), IL-1β + ACS, IL-1β + TA, and an exploratory ACS-alone group administered post hoc to isolate its effects without IL-1β inter...
Ertugliflozin decreases the insulin spike in non-insulin dysregulated standardbred horses following intra-articular triamcinolone administration. Horses with equine metabolic syndrome (EMS) are at an increased risk of laminitis following corticosteroid use. Ertugliflozin reduces hyperinsulinemia in horses with EMS, and therefore may be a management option to reduce the insulin spike seen post corticosteroid use. It was hypothesised that oral ertugliflozin, administered before and after intra-articular (IA) triamcinolone acetonide (TA), will significantly lower the insulin response in comparison to placebo. A randomised, blinded, placebo-controlled, crossover design was performed on eight adult standardbred geldings with no history of la...
Age, embryo donor status, and insemination with chilled semen all predispose to persistent breeding-induced endometritis in warmblood mares. Persistent breeding-induced endometritis (PBIE) is a common reason for mares failing to establish pregnancy. Objective: To examine the hypothesis that advancing mare age and embryo donor status predispose to PBIE and compromise fertility. Methods: Retrospective analysis of the impact of mare age, breeding system (embryo donor versus broodmare), and semen type (chilled versus frozen-thawed) on the likelihood of PBIE and subsequent pregnancy/embryo recovery. Methods: Warmblood mares (n = 769) inseminated during 1745 oestrous cycles were divided into three age categories (≤6, 7-13 and ≥14...
Integrating clinical and rna-seq findings in a mare with recurrent endocrinopathic laminitis linked to equine metabolic syndrome. Equine metabolic syndrome (EMS) is characterized by insulin dysregulation and obesity, which increase the risk of the development of hyperinsulinemia-induced laminitis (HAL). The present report describes a case of severe endocrinopathic laminitis associated with EMS, refractory to treatment. A 5-year-old mare with recurrent HAL presented transient relief upon a low nonstructural carbohydrate diet and conventional therapy. An SGLT2 inhibitor was introduced to reduce resting insulin levels, and improvement was observed until October 2024, when the most severe episode started. Despite adding perg...
Evaluation of the tolerance and effects of 1-deoxynojirimycin on insulin and glucose dynamics in healthy horses and horses at risk for insulin dysregulation. Insulin dysregulation (ID) is common and diminishes welfare of horses. Current management relies on diet and exercise, with variable responses and limited medical options. Alpha-glucosidase inhibitors (AGIs) might provide adjunctive therapy. Objective: To evaluate the tolerance and effects of Reducose®, a Morus alba leaf extract standardized to 5% 1-deoxynojirimycin (DNJ), in healthy horses and horses at risk of ID. We hypothesized DNJ would be well-tolerated and reduce insulin responses to oral sugar tests (OSTs). Methods: Twenty-seven horses: 6 healthy (Phase I), 5 at risk for ID (Phase II)...
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....
Toll-like receptor 3-activated allogeneic umbilical cord blood-derived mesenchymal stromal cells as an adjunct for the treatment of synovial sepsis in 3 horses. To describe the case presentation, treatment, and outcome of horses treated with Toll-like receptor 3 (TLR-3)-activated allogeneic umbilical cord blood-derived mesenchymal stromal cells (CB-MSCs). Unassigned: 3 horses presenting with chronic or antimicrobial-resistant (AMR) septic synovitis. Unassigned: All horses presented with clinical signs associated with septic synovitis including marked grade 4/5 lameness, joint effusion, heat/swelling of the limb, and synovial fluid parameters consistent with sepsis. Case 1 presented 3 weeks following the onset of clinical signs. Cases 2 and 3 developed...
Efficacy of an Oral Chondroprotective Joint Supplement on Stride Length and Gait Symmetry in Aged Geldings with Chronic Lameness. Oral joint supplements (OJSs), specifically those containing glucosamine and chondroitin sulfate, are some of the most popular feed additives fed by horse owners. However, evidence of the efficacy of these nutraceuticals in vivo is lacking. To investigate the impacts of an OJS on equine lameness, 40 geldings (18 ± 7 yr) with chronic lameness and AAEP lameness grades between 2 and 4 (as scored by a veterinary sports medicine and rehabilitation specialist) were enrolled in the study. Horses were stratified by lameness grade, BCS, and weight, and then randomly assigned to receive a placebo powde...
Interleukins decrease epithelial protein and gene expression by K14 + CD105+ equine hoof progenitor cells. Background: Progenitor cell epithelial to mesenchymal transition (EMT) could impact healing in the epidermal-dermal junction of the equine hoof stratum internum (SI). The hypothesis of this study was that K14 + CD105+ equine hoof SI progenitor cells assume a mesenchymal phenotype in the presence of inflammatory interleukins in vitro.Methods: K14 + CD105+ progenitor cell percentages isolated from proliferative scarred (fibrous) and healthy SI were quantified. Decellularized matrix was prepared from and K14 + CD105+ cells localized in healthy SI. Gene expression (CD44, CD105, E-cadhe...
Persistence of Sarcocystis neurona and histopathology in horses with equine protozoal myeloencephalitis. Currently, little is known about the exact role of immunopathology in equine protozoal myeloencephalitis (EPM), including the ability to persist after anti-protozoal treatment. The main objectives of this study were to determine whether is present in the CNS in horses with EPM, including previously treated cases, and to evaluate the associated histopathology and immune response. For this study, control ( = 10) and horses with EPM ( = 9) were confirmed based on our inclusion criteria. Based on our preliminary data, we classified horses with EPM and clinical signs for >6 months as...
Evaluation and Management of the Horse with Head and Neck Disorders. Recognizing possible causes of equine head and neck problems requires a careful and systematic evaluation. While for some disorders reaching a diagnosis and treatment plan is relatively straightforward, for others this can be a complicated road requiring extensive diagnostic techniques, treatment trials, and management strategies. The ability to determine whether the patient is in a painful state, experiencing functional deficits, or in a combination of pain and dysfunction is critical to developing an effective treatment plan. Frequently, behavioral concerns often associated with pain must be...
A single pneumatic tourniquet is superior to wide rubber tourniquets for saphenous intravenous regional limb perfusion with amikacin in standing, sedated horses. To establish whether tourniquet type and number influence synovial fluid amikacin concentrations of the tarsocrural joint (TCJ) or metatarsophalangeal joint (MTPJ) after standing saphenous IV regional limb perfusion (IVRLP) with 2 g of amikacin. Unassigned: 8 healthy adult horses underwent 4 saphenous IVRLP protocols with amikacin, differing in tourniquet type (pneumatic vs wide rubber) and number (1 placed mid-gaskin vs 1 placed mid-gaskin and 1 mid-metatarsus) in a randomized, crossover design. Amikacin concentrations were measured in serum and synovial fluid of the TCJ and MTPJ at 15 and 30...
Molecular typing, biofilm characteristics and biofilm-targeted inhibition strategies of Streptococcus equi subsp. zooepidemicus isolated from donkey endometritis. Endometritis is a major cause of infertility in intensively farmed donkeys. Streptococcus equi subsp. zooepidemicus (SEZ) is a predominant pathogen that readily forms biofilms in equine endometritis, conferring resistance to conventional treatments. Objective: This study aimed to characterize the biofilm dynamics of SEZ isolates obtained from donkeys and to evaluate potential anti-biofilm strategies with different drug combinations. Methods: Uterine lavage samples were collected from 30 Dezhou Black donkeys with clinical endometritis. Bacterial cultures were performed on blood agar and MacConk...
Case Report: Neurologic signs following rattlesnake envenomation. Rattlesnake envenomation is a common emergency in horses in California. Rattlesnakes belong to a group of venomous snakes: pit vipers. The Northern Pacific Rattlesnake (), a subspecies of the Western Rattlesnake, is the most widespread rattlesnake in California (1). A 5-year-old miniature horse mare presented for a presumed Western Rattlesnake bite. The owners found the horse the morning of presentation with severe facial swelling and the horse was housed in an area where rattlesnakes are commonly observed. The horse was reported to be normal the day prior to presentation. On blood examination...
Fungal endometritis in broodmares: clinical presentation, prevalence in Ireland and diagnostic performance of cytology. Fungal endometritis is an uncommon uterine condition associated with poor fertility. Objective: This study aimed to 1) provide a descriptive summary of 11 cases of fungal endometritis, 2) assess prevalence trends of fungal endometritis over time, 3) assess fungal species distribution in diagnostic samples, and 4) evaluate the diagnostic accuracy of cytology. Methods: Study 1 reviewed records of 11 mares diagnosed with fungal endometritis for history, presentation, treatment, and outcome. Study 2 analysed 6,727 uterine samples (swabs and lavages; 2019-2024) for factors influencing fungal cultur...
Evaluation of episcleral silicone matrix cyclosporine implants for presumed equine immune-mediated keratitis: a retrospective study. Immune-mediated keratitis (IMMK) is a chronic inflammatory corneal disease in horses. Long-term topical therapy with cyclosporine is often impractical, highlighting the need for sustained-release alternatives. Objective: To assess clinical response, tolerability, and duration of effect of episcleral silicone matrix cyclosporine implants (ESMC) in horses with presumed IMMK. Methods: Medical records of 12 horses (14 eyes) treated between 2019 and 2023 were retrospectively reviewed. IMMK subtypes were classified as epithelial (n = 3 eyes), anterior stromal (n = 9), or mid-stromal (n =...
Nitric oxide and its role in the management of hypoxaemia in the anaesthetised horse-a narrative review. To outline historical aspects of nitric oxide, including its discovery and biological effects, to describe the current use of inhaled nitric oxide (iNO) in human healthcare, and to review the available evidence on the use of pulsed iNO (PiNO) for the management of hypoxaemia in anaesthetised horses. Methods: Google Scholar and PubMed databases were searched using the search terms nitric oxide, PiNO, environment, discovery, acute respiratory distress syndrome, COVID-19, SARS-CoV-2, horse, pony, hypoxaemia, and anaesthesia. Conclusions: Inhaled NO is licensed in the management of hypoxic respira...
Case Report: Mesh repair of a urinary bladder dorsal wall defect following repeated cystorrhaphy in a warmblood foal. A three-day-old male Warmblood foal presented with inability to urinate. Primary diagnostic findings included abdominal distension, hyperkalemia, azotemia, and ultrasonographic evidence for free anechoic fluid in the abdominal cavity. Abdominocentesis confirmed the diagnosis of an uroperitoneum [peritoneal fluid to serum creatinine ratio (>2:1)]. Suture repair of a dorsal urinary bladder wall defect was performed, but leakage along the suture tracts resulted in recurrent uroperitoneum confirmed by computed tomographic urography after two days. Repeated cystorrhaphy was performed but uroperi...
