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Equine veterinary journal.
Publisher:
Equine Veterinary Journal, Ltd. Hobokken, NJ : Wiley (2009)
Frequency: 8 issues per year, 2009-
Country: United States
Language: English
Author(s):
British Equine Veterinary Association.
Start Year:1968 -
ISSN:
0425-1644 (Print)
2042-3306 (Electronic)
0425-1644 (Linking)
2042-3306 (Electronic)
0425-1644 (Linking)
Impact Factor
2.2
2022
| NLM ID: | 173320 |
| (DNLM): | E11740000(s) |
| (OCoLC): | 01568146 |
| Coden: | EQVJAI |
| LCCN: | sn 83005310 |
| Classification: | W1 EQ967 |
Altered gene expression in the liver and small intestine of horses with equine neuroaxonal dystrophy. Equine neuroaxonal dystrophy/degenerative myeloencephalopathy (eNAD/EDM) is the second most common diagnosis of spinal ataxia in horses in the United States. The disease develops due to a combination of vitamin E deficiency and an unknown genetic risk factor(s), and there currently is no effective treatment. Objective: We performed transcriptomic profiling of the liver and small intestine of horses with and without eNAD/EDM, as both tissues are the main locations for absorption, metabolism, and delivery of vitamin E to the nervous system. Methods: Case-control exploratory study. Methods: Post...
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...
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 flow-controlled expiration on oxygenation and early recovery in horses undergoing general anaesthesia. FLow-controlled EXpiration (FLEX) has been shown to significantly enhance oxygenation in horses under clinical and experimental conditions. Objective: To compare pulmonary gas exchange during early recovery following general anaesthesia in horses ventilated with FLEX compared with conventional intermittent positive pressure ventilation (IPPV) and to assess recovery characteristics between ventilation modes. Methods: Randomised, crossover in vivo experiments. Methods: Six adult horses underwent two 2-h anaesthetic episodes in a randomised crossover design (FLEX vs. IPPV), separated by a two-wee...
Prevalence of insulin dysregulation in a sport horse population as determined by traditional and stall-side testing. The prevalence of insulin dysregulation (ID) has not been investigated in sport horses. Stall-side insulin assays offer convenience but need further validation. Objective: To determine the prevalence of and risk factors for ID in a sport horse population using an oral sugar test (OST) and assess agreement between stall-side and validated laboratory assays for insulin quantification. Methods: Prospective cross-sectional study. Methods: One hundred eighty sport horses presenting for orthopaedic evaluation at a university hospital (N = 140) or local farms (N = 40) were tested for ID using...
Diagnosis of bacteraemia in neonatal foals using 16S rRNA high-throughput sequencing. Sepsis is an important cause of morbidity and mortality in foals. Early diagnosis can improve outcome but is complicated by non-specific clinical signs and delayed confirmation of infection via blood culture. Molecular assays represent a rapid and more sensitive alternative. Objective: To evaluate and compare bacterial load and composition in blood and blood culture media (BCM) of sick and healthy foals using molecular assays and to compare results with traditional bacterial culture. Methods: Cross-sectional observational clinical study. Methods: Thirteen septic foals, 10 sick non-septic and 8...
Using a wearable electrocardiogram (ECG) patch adapted for 7-day monitoring in the horse. Arrhythmias can cause poor performance and sudden death in horses. Long-term (>24 h) electrocardiogram (ECG) monitoring has been used to identify arrhythmias in humans and is superior to short-term monitoring for transient arrhythmia detection. Televet is the current equine gold-standard ECG device. The Cardea SOLO™ (CS) is a single-use monitor with automated ECG analysis software allowing ECG monitoring for 7 days. Objective: Our objective was to validate the performance of the CS compared to the Televet. Methods: Method validation. Methods: ECGs were performed on 12 healthy horses s...
Straight sesamoidean ligament desmopathy commonly occurs with proximal interphalangeal joint osteoarthritis. Proximal interphalangeal joint osteoarthritis (PIPJ OA) is a common cause of poor performance in the equine athlete; however, the supporting soft tissue structures surrounding the joint are seldom evaluated. Straight sesamoidean ligament injuries have been previously hypothesised to be concomitant with PIPJ OA; however, the frequency of these lesions coinciding with PIPJ OA has not been fully investigated. Objective: To investigate the prevalence of straight sesamoidean ligament desmopathy (SSLD) in horses presenting with PIPJ OA. Methods: Retrospective clinical study. Methods: Horses presenti...
Risk factors for post-partum colic in a population of UK and Irish Thoroughbred broodmares. Broodmares are at increased risk of gastrointestinal colic. However, colic risk factors specific to this population have not been investigated. Objective: To investigate horse- and management-level risk factors for post-partum colic in a cohort of Thoroughbred broodmares in the United Kingdom and Ireland. Methods: Prospective, nested case-control study. Methods: Twenty-nine Thoroughbred stud farms in the United Kingdom and Ireland were recruited, and 1044 mares were followed over the 2021 and/or 2022 foaling seasons. Data were collected on signalment, medical and management history for post-pa...
Validation of a smart textile electrocardiographic monitoring device in racehorses during high-speed exercise. Exercise-associated cardiac arrhythmias may contribute to poor performance and sudden cardiac death in horses. Widespread monitoring is limited by device availability and suitability for field use. Objective: To (1) compare electrocardiographic (ECG) quality from a smart textile system (Myant Skiin Equine) with a reference device (Televet II) during exercise, and (2) evaluate whether arrhythmia detection with Myant Skiin Equine is comparable to the Televet II. Methods: Prospective blinded clinical study. Methods: Fifty racehorses (25 Thoroughbreds, 25 Standardbreds) underwent up to three high-...
Fatalities within seven days after equine standing sedation: A prospective, multicentre study. Information regarding mortality associated with standing procedures in horses is sparse. Objective: To report data from >12,000 standing sedations. Methods: Confidential, observational, prospective, multicentre, cohort study. Methods: We collected records of horses/ponies undergoing standing sedation for surgery or advanced diagnostic imaging using at least one top-up or controlled rate infusion (CRI). Procedures were either NON-COLIC or COLIC. Outcome at seven days was recorded as (i) ALIVE, (ii) EUTHANASIA or (iii) DEAD. Data were collected with a portable document format (PDF) questionn...
Effect of exercise-related nasopharyngeal disorders on upper airway function in racehorses. Exercise-related upper respiratory tract (URT) disorders are frequently diagnosed in racehorses. Treatment recommendations are routinely based on subjective assessment of clinical evaluation and exercising endoscopy findings. Objective: To objectively investigate how palatal instability (PI), intermittent dorsal displacement of the soft palate (iDDSP), alar fold collapse (AFC), and nasopharyngeal collapse (NPC) affect upper airway function during exercise in racehorses. Methods: Observational study with case-control comparisons. Methods: Inspiratory and expiratory tracheal pressures (cmHO) wer...
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...
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...
Oscillometric assessment of bronchodilator response in horses with severe asthma during remission. During clinical remission of severe equine asthma (SEA), affected animals can be challenging to distinguish from healthy horses. In humans, the degree of bronchodilation achieved with a β-adrenergic bronchodilator is helpful in differentiating asthmatics from healthy subjects. Objective: To determine whether the response to an inhaled bronchodilator improves the sensitivity of oscillometry in detecting subclinical airway obstruction in horses with asthma. Methods: In vivo experiments. Methods: Nine control university-owned horses and 10 SEA horses in remission from a research herd were studie...
Similar locomotor patterns across Quarter Horse disciplines inform lameness assessment. Lineage-based selection is central to the Quarter Horse industry and is often justified by the assumption that morphology determines locomotor function. However, objective evidence linking static conformation to discipline-specific locomotor behaviour under standardised conditions remains limited. Objective: To investigate whether morphological differences among Quarter Horse disciplines are associated with distinct locomotor patterns or whether locomotor function converges across disciplines despite morphological variation. Methods: Cross-sectional. Methods: Barrel racing, reining, and ranch ...
A study of the forces generated during equine cheek tooth extraction. Significant force is often applied when elevating equine teeth from the alveolus during extraction. No previous studies have investigated these forces. Objective: To develop a method to allow measurement of elevation forces (EF) applied during extraction, and to record forces during extraction of cheek teeth in both cadaver specimens and clinical cases, evaluating factors that might affect this and comparing differences between tooth positions and horse signalments. Methods: In vitro experimental study of cadavers and observational study of a convenience sample of clinical cases. Methods: Stra...
Radiographic identification and description of the equine middle conchal sinus (ethmoidal sinus): Implications for diagnosing middle conchal sinusitis. The middle conchal sinus (MCS) (ethmoidal sinus) remains one of the least understood equine paranasal compartments. Despite recognition of its involvement in sinonasal disease, disorders of the MCS often remain underdiagnosed in the absence of computed tomographic (CT) imaging due to limited anatomical understanding and challenges with radiographic visualisation. Objective: The objectives of the study were (1) to characterise the radiographic features and anatomical location of the MCS in horses and (2) to illustrate the practical relevance of the anatomical and radiographic findings in two cl...
Novel technique for correcting urovagina via urethral transposition in the horse. Vesicovaginal reflux is a common cause of infertility in mares. Surgical correction is commonly recommended and involves caudal relocation of the urethral orifice which forces the urine to be expelled caudally. There have been several previously described techniques. Complications associated with caudal urethral extension occur in 11-33.3% of cases. Objective: To identify a novel technique for performing caudal urethral translocation that effectively corrects vesicovaginal reflux with minimal associated complications. Methods: In vivo experiment and clinical case series. Methods: The experimen...
Cross-protective effect of a multicomponent fusion protein vaccine during a natural episode of Streptococcus zooepidemicus respiratory disease in ponies. Streptococcus equi subspecies zooepidemicus is a highly diverse opportunistic pathogen of horses, associated with respiratory disease and endometritis. Objective: To characterise S. zooepidemicus isolates recovered from young ponies during a natural episode of respiratory disease, and to determine if vaccination with Strangvac®, a vaccine against Streptococcus equi subspecies equi, conferred cross-protection. Methods: Retrospective analysis of a double-blinded placebo-controlled study involving 32 ponies (16 vaccinates and 16 placebo controls) that experienced a natural episode of respiratory...
Roux-en-Y gastrojejunostomy and jejunojejunostomy for pyloric obstruction bypass in a horse and a foal. Gastric outflow obstruction in horses is a rare but challenging condition, often resulting from either congenital anomalies or acquired lesions such as chronic ulceration or pyloric polyps. Conventional surgical bypass procedures, including gastrojejunostomy (GJ) or gastroduodenostomy and less commonly duodenojejunostomy, can restore patency but may lead to postoperative complications. Objective: To describe the presentation, surgical management, and postoperative outcome of two horses-an adult and a foal treated with Roux-en-Y gastrojejunostomy combined with a side-to-side jejunojejunostomy (...
Cheek tooth extraction in geriatric versus non-geriatric horses. Age-related dental changes are major contributors to dental disorders in older horses, and cheek tooth extractions are often required to maintain masticatory function and oral comfort. However, limited information is available on clinical and treatment characteristics in this older patient population. Objective: To describe clinical features, treatments, complication rates and short-term outcomes of horses undergoing oral cheek tooth extraction and treatment of odontogenic sinusitis, and to compare findings between geriatric and non-geriatric horses. Methods: Retrospective analysis of clinical...
Embryo developmental kinetics and vitrification in relation to pregnancy outcome, foaling percentage and foal sex. While fast in vitro embryo development has been associated with improved outcomes, the relationships of slow in vitro embryo development and vitrified versus fresh in vitro produced (IVP) embryo transfer to foaling percentage and foal sex are less explored. Objective: To determine the relationships of (1) day of blastocyst formation (D7-11 after intracytoplasmic sperm injection (ICSI)) and (2) vitrification and warming method (one- and three-step) versus fresh transfer with pregnancy, early pregnancy loss (EPL), foaling percentage and foal sex. Methods: Retrospective clinical study. Methods: B...
Development of a prognostic scoring system for systemic inflammatory response syndrome in donkeys. Systemic inflammatory response syndrome (SIRS) is associated with increased mortality in horses with gastrointestinal (GI) disease. However, there are no data relating to naturally occurring SIRS in donkeys. Objective: To determine SIRS frequency in donkeys with GI disease. To develop a donkey-specific prognostic SIRS score. Methods: Retrospective case series. Methods: Clinical records from donkeys presenting with GI disease in two independent cohorts (development cohort: n = 400, UK; validation cohort: n = 36, Australia) were reviewed. Age, sex, heart rate, respiratory rate, rectal te...
Laser neoureterocystostomy to treat ectopic ureters. Ureteral ectopia is an uncommon but clinically important congenital abnormality in horses. If left untreated, it can lead to persistent dermatitis, urinary tract infections, and failure to thrive. Surgical correction is necessary, but traditional approaches have produced mixed results with high morbidity. Identification of a minimally invasive, effective technique would significantly improve prognosis. Objective: To describe the procedure and outcomes of cystoscopic guided laser neoureterocystostomy in three fillies. Methods: Case series. Methods: Retrospective review of three cases treated wi...
Thoracic electrical impedance tomography using a two-plane electrode configuration in horses. Traditional one-plane (oneP) electrical impedance tomography (EIT) electrode configurations limit evaluation to a convex lens-shaped lung slice, prone to overrepresentation of central areas. Two-plane (twoP) EIT is expected to refine this technique and result in more representative lung imaging. Objective: To compare ventilation distribution using single slice reconstructions, obtained with twoP or oneP. Methods: Computational modelling and in vivo exploratory randomised experimental trial. Methods: A finite element simulation model of oneP and twoP was calculated to estimate captured lung fie...
Management factors associated with abnormal behaviours in rural Chilean working horses. Working horses remain essential for rural livelihoods in Chile and across Latin America. However, housing and management conditions in these systems are poorly characterised, underscoring the need for standardised welfare assessments to generate evidence and guide targeted improvements. Objective: To estimate the prevalence of abnormal behaviours in rural working horses and to examine associations with management and housing related factors. Methods: Cross-sectional observational study. Methods: Seventy-seven working horses from a rural area of the Papudo commune (Valparaíso Region, Chile) we...
Composition of allogeneic equine orthobiologics and their repeated intra-articular administrations. Orthobiologics such as platelet-rich plasma (PRP) and alpha-2-macroglobulin (A2MG) are increasingly used for equine musculoskeletal injuries. However, their composition and safety with repeated allogeneic intra-articular administration remain poorly investigated. Objective: To characterise orthobiological preparations with or without 1 h incubation at 37°C (PRP, PRP + Inc, A2MG, A2MG + Inc) and evaluate immunological safety following repeated intra-articular administration (autologous and allogeneic) of PRP combined with A2MG + Inc in healthy horses. Methods: In vivo experiments...
