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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.
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...
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...
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...
Race Performance Following Arthroscopic Surgery for Femoropatellar and Tarsocrural Osteochondrosis in Juvenile Thoroughbreds. The objective of this study is to evaluate racing performance of Thoroughbred yearlings following arthroscopic surgery for osteochondrosis (OC) of the femoropatellar (FP) and tarsocrural (TC) joints. Unassigned: This is a retrospective study of Thoroughbreds 0.05). In both groups, no significant performance differences were found between unilateral and bilateral cases ( > 0.05). Unassigned: Racing performance after FP or TC OC surgery was comparable to that of unaffected controls. Bilateral cases performed as successfully as unilateral.
Seizures and blindness onset zone in 7 horses undergoing radiographic myelography in lateral recumbency under inhalation anesthesia. Seizures and blindness are potential complications associated with myelography. Objective: Describe, classify, and determine onset zone of seizures and blindness in horses undergoing radiographic myelography in lateral recumbency. Methods: Seven young adult horses. Methods: Retrospective study. Horses with seizures or blindness associated with myelography were included. Results: Three horses with general proprioceptive ataxia and 4 neurologically normal horses (Warmblood = 4, Thoroughbred = 3), ages 9 (range, 3-16) years old. Iohexol (300 mg I/mL) from 50 to 60 mL (0.09-0.1 mL/kg) were ...
Magnesium Dysregulation. Magnesium (Mg) is a critical intracellular cation involved in energy metabolism, neuromuscular and cardiac stability, and endocrine regulation of calcium and potassium. In horses, Mg dysregulation is common in gastrointestinal disease, systemic inflammation and critical illness, yet often remains underdiagnosed. Hypomagnesemia contributes to ileus, cardiac arrhythmias, and refractory hypocalcemia or hypokalemia, whereas hypermagnesemia is rarely reported and typically iatrogenic. This review summarizes Mg physiology, regulation, clinical manifestations of Mg dysregulation, diagnostic approache...
Surgical Management of Unilateral Maxillary Molar Teeth Impaction in a Horse. Impaction of equine permanent cheek teeth is most commonly reported in the mandible, whereas maxillary involvement is rare. This report describes an uncommon presentation of congenital impaction of 3 successive maxillary molar teeth in a 4-year-old mare. Computed tomography revealed complex spatial relationships between the impacted teeth, the sinus floor and adjacent structures, which were not fully appreciated on conventional radiography and were essential for surgical planning. Surgical extraction via a maxillary sinus bone flap permitted controlled sectioning and subsequent removal of all ...
Isolation of Moraxella spp. strains in horses. Two species of Moraxella were isolated from swabs obtained from two symptomatic horses suffering from conjunctivitis and rhinitis. The isolates were identified via MALDI-TOF as Moraxella osloensis and Moraxella equi respectively, with a good genus identification and a probable species identification score. The first one was also confirmed by BLAST sequence analysis with a high homology (99%). Antimicrobial susceptibility testing obtained by minimum inhibitory concentration method showed that the two isolates were sensitive to all the tested molecules. The therapeutic protocols applied had an e...
Analgesic use, safety and pharmacokinetics of acetaminophen in equids: A structured scoping review. Despite its frequent use in equine clinical practice, scientific data on the use of acetaminophen in horses remain limited. Objective: To map and critically appraise the available evidence on the analgesic use, safety and pharmacokinetics of acetaminophen in horses. Methods: Structured scoping review. Methods: A comprehensive search was performed in accordance with the PRISMA Extension for Scoping Reviews using the terms '(paracetamol OR acetaminophen) AND (pain OR safety OR toxicosis OR pharmacokinetics) AND (horse OR pony OR donkey OR mule)' across Web of Science, Scopus, and PubMed from dat...
Hormonal, clinical, and survival outcomes in horses and ponies diagnosed with pituitary pars intermedia dysfunction in primary care practice. Variables associated with hormonal, clinical, and survival outcomes of equids with pituitary pars intermedia dysfunction (PPID) are incompletely investigated. Objective: Evaluate the effect of initial hormone concentrations, clinical signs, treatment, and owner-related variables on outcomes in horses and ponies with PPID. Methods: Medical records from 213 horses and ponies diagnosed with PPID by 2 university-based primary care practices. Methods: Analytical observational cohort study. Variables associated with adrenocorticotropic hormone normalization, clinical improvement, and survival after ...
[Puncture wounds of the equine hoof – a retrospective study of 96 cases – Part 2: Management and prognosis]. Puncture wounds are a common and potentially life-threatening injury in equine veterinary practice. The aim of this study was to systematically analyze data from horses presenting to the clinic with a puncture wound. Unassigned: A retrospective study was conducted on patient data from horses with a puncture wound in the period from September 2008 to August 2024. Analyzed data included medical management and surgical treatment, complications, duration and costs of hospitalization, short-term survival rate and treatment success. Unassigned: A total of 96 horses met the inclusion criteria. Seven ...
Osteosynthesis of bilateral, displaced incisive bone fracture in a horse. A nine-year-old Trakehner mare was presented three days after an episode of severe epistaxis, showing intermittent foul-smelling nasal discharge with feed material and rostral displacement of the upper incisor teeth. Radiographic and computed tomography examinations revealed a complete comminuted fracture of the right side and an oblique complete fracture of the left side nasal processes of the incisive bone and maxillary bone, as well as open fractures of the nasal septum and palatine bone with displacement of the incisor part rostrally and development of an oronasal communication. The fractu...
Disorders of Water and Tissue Perfusion (Diabetes Insipidus, Renin-Angiotensin-Aldosterone Axis, and Anhidrosis). This review highlights disorders of water and tissue perfusion in equids, specifically diabetes insipidus, the renin-angiotensin-aldosterone axis, and anhidrosis. The differences in renal versus central diabetes insipidus is discussed, as well as diagnosis and treatment of diabetes insipidus in equids. The physiology of the renin-angiotensin-aldosterone axis is reviewed, and recent research in the role of the renin-angiotensin-aldosterone axis in equids in certain states is emphasized. The proposed pathophysiology of anhidrosis in horses is discussed, as well as potential therapies.
Guttural pouch tympany or empyema in 38 ٍStraight Egyptian Arabian foals: clinical presentation, diagnostic features and outcome. As a breed, Straight Egyptian Arabian horses are susceptible to many disorders that mostly affect the head, such as guttural pouch (GP) tympany and empyema. This retrospective study evaluated the findings of clinical examination, ultrasonography, endoscopy, laboratory analyses and outcome of treatment of 38 Straight Egyptian Arabian foals with GP tympany and empyema. Methods: Data from medical records of foals diagnosed with GP tympany or empyema over a 2-year period (2024-2025) were reviewed. Foals with verified GP tympany or empyema who had complete medical records and had not previously rec...
Equine Fungal Keratitis due to Cladorrhinum bulbillosum. To describe the case details and treatment of an equine fungal keratitis case caused by Cladorrhinum bulbillosum. Methods: A 14-year-old Bashkir Curly gelding with a complicated corneal ulcer of the left eye. Methods: Corneal cytology was performed, and intraoperative samples were collected for polymerase chain reaction and for aerobic and mycologic cultures. Under general anesthesia, an inferior eyelid subpalpebral lavage system (SPL) was placed to facilitate postoperative therapy. Anterior stromal keratectomy was performed followed by cryotherapy of the keratectomy bed. A biological scaffold...
Epidural 0.125% ropivacaine is safe but insufficient for induced tibiotarsal joint pain. Epidural injection of a low concentration of the local anaesthetic ropivacaine produces analgesia without neurological deficits or ileus in people. Objective: To determine if epidural 0.125% ropivacaine mitigates induced hindlimb lameness in horses while preserving neurological function and gastrointestinal (GI) motility. Methods: Randomised, blinded, controlled, crossover study. Methods: Eight healthy, sound horses underwent two treatments in random order, separated by at least 3 weeks: epidural saline or epidural ropivacaine. For each treatment, an epidural catheter was inserted at the fir...
