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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.
Therapeutic Horseback Riding for Youth With Autism and Psychiatric Comorbidities: A Randomized Trial. Autism spectrum disorder care is often complicated by co-occurring psychiatric symptoms. Equine-assisted services show promise for improving behavioral outcomes in this population. We aimed to examine benefits of equine-assisted services for youth with autism at higher risk for mental health interventions. Methods: A total of 236 youth with autism and psychiatric comorbidity (aged 6-16 years.) were enrolled in a randomized controlled multisite clinical trial, stratified by nonverbal IQ, and assigned to 1 of 3 intervention arms: therapeutic horseback riding (THR), no horse contact barn activity...
Antimicrobial stewardship priorities and prescribing in Australian equine practice. Antimicrobial resistance is a global health crisis that needs to be addressed by all areas of human and animal health sectors to safeguard effective antibiotics into the future. Understanding current antimicrobial prescribing patterns and veterinary antimicrobial stewardship (AMS) priorities is crucial for effective stewardship program design and sustainable uptake. Objective: To identify focus areas for stewardship interventions, implementation, resource allocation, and future campaign targets for equine practice. Methods: Cross-sectional study of equine veterinarians in Australia. Methods: A...
The effect of ertugliflozin on serum insulin and glucose in healthy horses receiving dexamethasone. Sodium-glucose cotransporter 2 inhibitors (SGLT-2i) can be used to manage insulin dysregulation (ID). Their effect on corticosteroid-induced ID is unknown. Objective: Evaluate effects of ertugliflozin on serum insulin and glucose concentrations in horses receiving dexamethasone (DEX). We hypothesized that DEX would induce ID and ertugliflozin coadministration would mitigate that effect. Methods: Seven healthy horses. Methods: Randomized crossover design; horses received DEX (0.06 mg/kg IV q48h; DEX)or ertugliflozin (0.05 mg/kg PO q24h) plus DEX (SGLT-2i group) for seven days. Oral sugar (OST...
Effect of erythromycin and colistin ophthalmic ointment on post-race keratitis in Thoroughbred racehorses. This study investigated the prophylactic efficacy of administering an ophthalmic ointment containing erythromycin and colistin (EC ointment) after racing to prevent post-race keratitis in Thoroughbred racehorses. Methods: The incidence of post-race keratitis following turf and dirt races was compared between treatment groups (non-ointment group: eye flushing only; ointment group: eye flushing and application of EC ointment) and between two randomly assigned groups (non-antimicrobial group: application of ophthalmic white petrolatum; antimicrobial group: application of EC ointment). Results: Af...
First documented cases of equine leishmaniasis caused by Leishmania (Mundinia) martiniquensis in France. In this study, we describe the first documented cases of equine cutaneous leishmaniasis caused by Leishmania (Mundinia) martiniquensis in France and provide clinical and parasitological data relevant for the recognition of this emerging infection in horses. Three horses presenting localized cutaneous lesions were diagnosed with L. martiniquensis infection in different regions of France without spatial or temporal clustering. Lesions were clinically nonspecific and initially compatible with common equine dermatological conditions, including sarcoid-like tumors. Histopathological examination rev...
Prior-informed population pharmacokinetic-pharmacodynamic modeling of dexamethasone in horses. Dexamethasone (DEX) is widely used in equine practice with diverse studies having characterized its pharmacokinetics (PK) and pharmacodynamics (PD) including our published comprehensive meta-analysis. Individual DEX concentrations in plasma and urine and serum cortisol from five studies (n = 32 horses) were analyzed using a minimal physiologically-based PK (mPBPK) model and a circadian baseline-indirect response PD model. The previous meta-analysis provided complex structural models to assess sources of variability across an array of studies involving intravenous (IV), intramuscular (IM) a...
Effects of constant rate infusion of a fixed-dose combination of medetomidine and vatinoxan on sedation, cardiorespiratory variables, and gastrointestinal activity in standing Thoroughbred horses. A fixed-dose combination of medetomidine (MED) and vatinoxan (VTX), a peripherally selective α2-adrenoceptor antagonist, is commercially available, but its constant rate infusion (CRI) has not been evaluated. Objective: To compare the sedative effects, cardiorespiratory variables, and gastrointestinal activity of MED-VTX and MED-atipamezole (ATIP) with MED alone in Thoroughbred horses. Methods: Six healthy Thoroughbreds underwent a blinded three-treatment, three-period crossover study. Horses received MED (7 μg/kg IV; 5 μg/kg/h CRI for 60 min) alone (gM), with VTX (140 μg/kg IV; 100 μg/kg...
Effect of conditioned medium from equine Wharton’s jelly mesenchymal stem/stromal cells on cool-stored stallion semen. Artificial insemination in horses largely relies on cooled transported semen, but stallion spermatozoa are highly sensitive to cold stress, limiting storage duration. Mesenchymal stem/stromal cell-derived conditioned medium (CM) has shown protective effects on sperm in other species, yet its impact on equine semen remains unexplored. This study investigated the effects of equine Wharton's jelly-derived MSC-CM (eWJ-MSC-CM), on the quality of cooled stallion semen. Semen from five stallions of proven fertility was extended in INRA96 supplemented with 0, 5, or 15% eWJ-MSC-CM at 5 °C for 0, 24 a...
Comparison of blind end closure techniques in equine ileum. To determine the difference in bursting pressure (BP), bursting wall tension (BWT), and closure speed between commonly utilized methods of ileal stump closure. Methods: Randomized experimental study. Methods: A total of 71 ileal segments from 18 healthy horses. Methods: Ileum was collected postmortem from 18 horses and divided into four segments. One end of each segment was closed using one of three techniques: Parker-Kerr (PK), gastrointestinal staples (ST), or gastrointestinal staples with a Lembert staple oversew (SO). Closure time was recorded. Control (C) segments were not altered. Segmen...
Myocardial dysfunction associated with low-dose endotoxin administration in adult horses. Horses with endotoxemia have variable myocardial function, but little is known about the severity or persistence of myocardial dysfunction (MD). Objective: Horses with experimentally induced endotoxemia have systolic and diastolic MD. Methods: Twelve systemically healthy horses. Methods: Horses were given Escherichia coli lipopolysaccharide 30 ng/kg over 60 min. Echocardiography and cardiac troponin I (cTnI) measurements were performed at baseline, 1, 3, and 5 h post-endotoxin. Fluid therapy (10 L), polymyxin B (6000 IU/kg), and flunixin meglumine (1.1 mg/kg) were administered intravenou...
Residual contamination in nebulization medication cups after corticosteroid administration: an in vitro assessment with implications for equine doping control. Nebulization is increasingly used to administer respiratory medications in horses. However, the potential for residual contamination in medication cups after administering regulated substances raises concerns about inadvertent doping. Objective: To evaluate whether medication cups used for nebulization of corticosteroids can subsequently be used for administration of non-regulated substances without detectable carryover. Methods: In vitro experimental study. Methods: Three corticosteroids (budesonide, dexamethasone, fluticasone propionate) were nebulized using Flexineb™ medication cups. Foll...
Effects of Repeated Monopolar Pulsed Capacitive Radiofrequency Energy Treatments on Mechanical Nociceptive Thresholds and Skin Temperature in Show-Jumping Horses with Thoracolumbar Pain. This study evaluated the effects of repeated monopolar Capacitive Resistive Electrical Transfer (CRET) therapy on mechanical nociceptive thresholds (MNT) and skin surface temperature in horses with perceived chronic thoracolumbar pain. Fifteen show-jumping horses were enrolled in a randomized sham-controlled clinical trial. Ten horses received treatment, and five underwent a sham procedure. Five treatment sessions were performed at 72 h intervals using a monopolar capacitive radiofrequency device operating at 500 kHz. Mechanical nociceptive thresholds (MNT) were assessed before treatment, afte...
Disorders of Calcium in Horses and Foals. Disorders of calcium homeostasis are frequent in equids with acute and chronic disorders. These animals may have abnormal phosphorus concentrations. Prompt identification and treatment are central for a positive outcome. A basic understanding of calcium regulation facilitates the diagnosis and treatment of calcium dysregulation. In horses, hypocalcemia is more often associated with acute conditions linked to systemic inflammation (eg, sepsis, gastrointestinal diseases), although hypocalcemia is also a feature of hypoparathyroidism and acute kidney injury. Magnesium supplementation should be co...
Thyroid Diseases. Thyroid hormones in horses fluctuate with factors like time of day, diet, activity, or medications. True hypothyroidism is rare in adults, and other causes for the observed clinical signs, such as equine metabolic syndrome, should be considered. Hyperthyroidism can occur in older horses and is sometimes associated with clinical signs requiring surgical treatment. In neonatal foals, distinct forms of hypothyroidism are associated with dysmaturity and can be life-threatening. While thyroid supplementation can help in managing equine metabolic syndrome, inappropriate use can impair athletic perfo...
Equine Metabolic Syndrome and Insulin Dysregulation. Equine metabolic syndrome (EMS) is defined as a collection of metabolic and clinical features that contribute to the development of hyperinsulinemia-associated laminitis (HAL). Insulin dysregulation (ID) is the hallmark feature of EMS and a risk factor for development of HAL. There are several diagnostic tests that can be used to diagnose various forms of ID in horses and ponies. Treatment of EMS/ID includes providing an appropriate diet, exercise program, and pharmacologic intervention in some severe cases.
Hypothalamic-pituitary-adrenal Axis Dysfunction in Critically Ill Foals and Horses. Critical illness-related corticosteroid insufficiency is a transient dysfunction of the hypothalamic-pituitary-adrenal axis, leading to inadequate cortisol responses during severe stress from endotoxemia and sepsis in horses and foals. This condition is associated with poor outcomes, and its diagnosis is complicated by interindividual variability in cortisol response. Recent advances in dynamic testing and point-of-care hormone tests offer promise for better assessment and treatment, enabling more precise steroid replacement therapy in affected equine patients.
Human-horse interactions as complementary strategies for mental health promotion. Animal-assisted interventions (AAI) represent complementary rehabilitative approaches designed to address a range of physical and mental health conditions. Among these, Equine-assisted interventions (EAI) offer structured opportunities for engagement through diverse activities conducted within naturalistic settings, thereby integrating therapeutic processes with ecological contexts. Methods: Over the past years, our group has developed and implemented standardized AAI methodologies that are now embedded within comprehensive intervention planning. This overview summarizes the application of dif...
Computed tomographic findings in 1600 cases of equine sinonasal disease and associations with case outcome. No study has described the computed tomographic (CT) sinonasal findings in a large cohort of referred sinonasal disease cases. Objective: To report the CT imaging findings in equine sinonasal disease and examine associations between case outcome and CT findings. Methods: Retrospective case series. Methods: Data were collected from medical records from 19 equine hospitals on sinonasal disease cases which had undergone CT imaging. Case outcome was obtained from clinical records, and/or by contacting clients and referring veterinarians. Multivariable logistic regression analysis was used to exami...
Cyathostomin species richness and alpha diversity at egg reappearance following fecal egg count-based selective ivermectin treatment. Cyathostomin nematodes are ubiquitous in grazing horses. The overuse of anthelmintics has led to increasing problems with drug resistance to benzimidazoles and pyrantel. Although macrocyclic lactones (ML), such as ivermectin, generally retain the highest efficacy, reduced ML efficacy has increasingly been reported. A shortened egg reappearance period (ERP) is frequently used as an indicator of reduced susceptibility. However, the species-specific response dynamics after ivermectin treatment are inadequately characterized in cyathostomins. The objective of this study was to compare the cyathost...
Associations between treatments and response to treatments from a large multicentre study of equine sinonasal disease. No large study has examined the treatment and response to treatment of horses with sinonasal disease confirmed by computed tomography (CT). Objective: To report the treatment and response to treatment of referred cases of equine sinonasal disease. To explore associations between case outcome and clinical and endoscopic features, CT findings, disease subtypes, and treatments in a multivariable model. Methods: Retrospective case series. Methods: Data were collected from medical records from 19 equine hospitals on cases of sinonasal disease, all of which underwent CT imaging. Case outcome was obt...
Use of Sildenafil Citrate for the Treatment of Erectile Dysfunction in Stallions: First Case Reports. Pharmacological aids can be useful alternatives to enhance penile erection and/or improve ejaculatory function, thereby prolonging the reproductive life of stallions with ejaculatory disorders. This study aimed to evaluate the effects of sildenafil citrate in the treatment of erectile dysfunction and on semen quality in two aged stallions, a Quarter Horse (18 years) and a Mangalarga Marchador (25 years), presented to the Veterinary Hospital of FMVZ-UNESP, Botucatu, SP, Brazil. The treatment consisted of oral administration of sildenafil citrate at 0.2 mg/kg. Thirty minutes after administ...
Evaluation of tilapia skin (Oreochromis niloticus) frozen, frog skin (Rana catesbeiana), and tilapia skin (Oreochromis niloticus) sterilized with gamma rays dressings, in equine skin wound healing. Skin wounds are common in horses due to species-specific behavioral responses. Equine skin morphology, vascularization, and inflammatory responses to wounds are comparable to those in humans, supporting the translational relevance of equine wound-healing studies. Investigating biomaterials such as tilapia and frog skin may improve wound management. This study demonstrated that sterilized tilapia and frog skin exhibit promising wound-healing properties. Unassigned: Macroscopic, microscopic, and thermographic aspects of second-intention wound healing were compared in six horses with surgically i...
Randomized study of the effects of testosterone administration on severity of asthma in horses. Low testosterone concentrations are associated with poor lung function in human asthmatics, and androgen administration improves airway obstruction in women with asthma. Objective: Testosterone improves clinical scores, lung function, airway neutrophilia, and airway remodeling in horses with severe asthma. Methods: Ten horses affected by severe asthma from a research herd. Methods: In a randomized, blinded, crossover study, horses received dexamethasone (0.06 mg/kg PO q24h for 10 days) or a single intramuscular injection of testosterone cypionate (0.35 mg/kg), with a 2-week washout period. ...
Blood pressure, electrolyte and fluid balance in horses with insulin dysregulation after short-term treatment with canagliflozin. Short-term treatment with SGLT-2 inhibitors decreases blood pressure in people with type 2 diabetes. The aim was to investigate the impact of a 3-week treatment with canagliflozin on blood pressure in insulin dysregulated (ID) horses and to study effects on fluid balance. This was a single-centre, randomised, double-blind, placebo-controlled, parallel design study. The primary study evaluated glucose and insulin responses during an oral sugar test, and these results have been published previously. Here we report the effect of canagliflozin treatment on blood pressure, PCV, serum proteins and e...
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...
Pituitary Pars Intermedia Dysfunction. Pituitary pars intermedia dysfunction (PPID) is one of the most common equine endocrine disorders. It is caused by oxidative damage to dopaminergic neurons in the hypothalamus and results in loss of inhibition of the pituitary pars intermedia. This leads to increased circulating concentrations of adrenocorticotropic hormone (ACTH) and related peptides. Diagnosis is based on increased resting and/or thyrotropin releasing hormone-stimulated ACTH concentrations. Assessment of insulin regulation is also important, as insulin dysregulation occurs in at least one-third of PPID cases and is associate...
Use of wooden shoes for the treatment of chronic laminitis in an American quarter horse. An 11-year-old American quarter horse mare with bilateral forelimb lameness was examined at a mixed-animal veterinary clinic. Radiographs revealed rotation and distal displacement of the 3rd phalanx in each front foot, confirming chronic laminitis. Wooden shoes (Steward Clogs) were used successfully to manage the lameness. The findings from this case support the use of wooden shoes as part of the treatment of chronic laminitis in a general veterinary practice setting. Utilisation de sabots pour le traitement de la fourbure chronique chez un quarter horse américainUne jument quarter horse amé...
Equine neuroborreliosis in Scandinavia: cerebrospinal fluid PCR confirmation and successful treatment in a mare. Lyme borreliosis (LB), caused by Borrelia burgdorferi sensu lato, is an emerging concern in human medicine, and is a controversial topic in equine medicine. Neuroborreliosis (NB), a neurologic manifestation of LB, remains challenging to diagnose due to nonspecific clinical signs and the lack of definitive diagnostic methods. This report describes the first documented case of equine NB in Scandinavia. Methods: An 11-year-old mare presented with progressive weight loss, ataxia, muscle atrophy, and hyperesthesia. Cerebrospinal fluid (CSF) analysis revealed neutrophilic pleocytosis, elevated prote...
hCG promotes secondary ovulation and supplementary corpus luteum formation during early pregnancy in mares. This study evaluated whether the administration of human chorionic gonadotropin (hCG) during early pregnancy accelerates ovulatory dynamics and alters serum progesterone concentrations in mares with dominant follicles. Thirty pregnant embryo-recipient mares with follicles ≥35 mm during early gestation were randomly assigned to receive either 1500 IU hCG IV (hCG group; n = 17) or saline solution IV (control group; n = 13). Mares were monitored by serial ultrasonography to determine the ovulatory response and the interval to secondary ovulation. Serum progesterone concentrations were...
