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Topic:Injury
Injury in horses encompasses a range of physical traumas that can affect various tissues and structures, including bones, muscles, tendons, and ligaments. These injuries can arise from numerous causes, such as accidents, overexertion, or improper handling. Common types of equine injuries include fractures, sprains, strains, and lacerations. The management and treatment of these injuries require an understanding of equine anatomy and biomechanics, as well as appropriate veterinary care. This page collects peer-reviewed research studies and scholarly articles that explore the causes, diagnosis, treatment, and prevention of injuries in horses, providing insights into their impact on equine health and performance.
Low-Field Magnetic Resonance Imaging Features of Axial Proximal Sesamoid Osteomyelitis and Intersesamoidean Ligament Rupture in a Horse. A 7-year-old Warmblood mare used for show jumping was evaluated for progressive left hindlimb lameness of 5 weeks' duration, localized clinically to the metatarsophalangeal region. Radiography revealed ill-defined osteolysis of the axial apical regions of both proximal sesamoid bones (PSBs). Due to rapid clinical deterioration, low-field magnetic resonance imaging was performed and demonstrated aggressive axial osteomyelitis of both PSBs, partial rupture of the intersesamoidean ligament and proximal scutum with herniation of synovium of the plantar joint recess, and an occult penetrating tract...
The Impact of Track Incline on Musculoskeletal Injuries in Thoroughbred Racehorses in Training: A Retrospective Cohort Study of Fractures on Flat and Uphill Woodchip Surfaces. While race-day musculoskeletal injuries are well-documented, a considerable gap exists regarding fractures sustained during training, where Thoroughbred racehorses accumulate the majority of their high-speed exercise. In Japan, compliant woodchip tracks are frequently used, and uphill track geometries are a foundational element of conditioning. Objective: To quantify and describe the incidence and anatomical distribution of fractures occurring during training on flat versus uphill woodchip tracks over a 15-year period (2008-2022). Methods: A retrospective cohort study was conducted using centr...
Serum osteocalcin is associated with scintigraphic abnormalities in lame and clinically sound racehorses. Musculoskeletal injury is a major welfare and economic challenge in racehorses, with stress-related bone injury contributing to training interruption and catastrophic failure. Advanced imaging modalities can detect early skeletal pathology but remain limited in routine screening environments. Circulating biomarkers of bone turnover may provide complementary indicators of skeletal remodelling but require validation against objective imaging findings. Objective: Evaluate whether osteocalcin (OC) and C-terminal telopeptide of type I collagen (CTX), or the CTX/OC ratio, are associated with scintig...
Modified technique for resection of the alar folds to nasal paralysis in a mule: Case report. Equids are obligate nasal breathers. Therefore, conditions that obstruct or impair this respiratory route can compromise animal welfare by causing severe respiratory distress, while also impacting athletic potential. Nasal paralysis results from injury to the facial nerve and its branches and is characterized by the lack of movement of the alar cartilage, leading to nasal collapse. Its occurrence is uncommon in horses and has not been previously reported in mules. This report describes a 9-month-old mule presented with a history of facial trauma and compression caused by a halter. After unsucc...
Musculoskeletal Assessment of Forelimbs and Hindlimbs in Mounted Police Horses using Infrared Thermography. Infrared thermography (IRT) has become established as a complementary tool in equine veterinary medicine, allowing for the early detection of thermal changes associated with musculoskeletal inflammatory processes. Objective: This study aimed to apply infrared thermography to characterize the surface thermal profile of the forelimbs and hindlimbs of mounted police horses, considering clinical classification, anatomical region, body side, and repeated evaluations over time. Methods: The research was conducted at the Military Police Cavalry in Manaus (AM), Brazil, involving 20 adult horses submit...
Context-aware machine learning for lameness side and severity prediction in trotting horses: A proof-of-concept study. In clinical practice, lameness evaluation often relies on visual assessment under different examination conditions, including ground and figures, and remains subjective. Although objective symmetry indices provide quantitative measures of gait asymmetry, their interpretation across multiple conditions remains challenging because several complementary indices are required and their thresholds vary with context. Objective: To assess the ability of a context-aware machine learning approach to predict lameness side and severity at the trot using trunk-mounted IMUs. Methods: Retrospective observati...
Diagnosed causes of sinonasal disease in 1600 horses and associations with clinical signs, computed tomographic findings and case outcome. The diagnosis of equine sinonasal disorders has been greatly enhanced by using computed tomographic (CT) imaging. Objective: To explore associations between specific diagnoses and clinical and CT findings and between specific diagnoses and case outcome in equine sinonasal disease. 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 obtained from clinical records, and/or by contacting clients and referring veterinarians. Logistic regression analysis was u...
Hidden Tarsal Lesions: The Role of Flexed and Oblique Radiographs in Young Horses. Radiographically apparent tarsal lesions associated with developmental orthopedic disease and joint sepsis are common in young horses. Standard radiographic projections are routinely used to identify osseous changes but may fail to detect lesions due to superimposition and complex anatomy. This retrospective case series describes plantar trochlear ridge lesions in young horses that were not identified on standard four projection radiograph series but were detected using flexed lateromedial and flexed oblique projections. Cases were selected based on persistent clinical signs localizing to the ...
Limb position, not exercise or sedation, affects power Doppler neovascularization detection in equine superficial digital flexor tendon core lesions. To determine the effect of limb position, exercise, and sedation on neovascularization detectability with the use of power Doppler ultrasonography (PDU) in superficial digital flexor tendon core lesions of the equine forelimb. Unassigned: 9 Thoroughbred horses with superficial digital flexor tendon core tendinopathies were assessed with PDU before lesion induction (week 0) and 12 weeks after lesion induction, with 5 horses in the study period ranging from January to April 2024 and 4 horses from January to April 2025. During weeks 0 and 12, ultrasound examinations were performed 24 hours apart,...
[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 ...
Thermographic analysis of chiropractic care on the back health of Mangalarga Marchador horses. Poor saddle fit can cause back pain and lesions in horses, highlighting the need for preventive therapies. Objective: To evaluate the effects of chiropractic treatment on the backs of Mangalarga Marchador horses using infrared thermography to monitor thermal changes associated with saddle-induced overload. Methods: Physiological, environmental, thermographic, and chiropractic parameters were evaluated in 13 horses subjected to a standardized 25-min exercise session. Animals were assigned to either a control group (GC, n = 6) or a chiropractic treatment group (GT, n = 7). Assessments were c...
Wound healing of experimental cutaneous wounds in horses: comparison between a topical formulation containing powdered coconut water and an antimicrobial ointment. Skin wounds in horses often present prolonged healing, stimulating the search for alternative topical therapies. To date, there are no experimental studies in horses evaluating topical formulations containing powdered coconut water. Objective: To compare the early macroscopic and morphometric wound-healing outcomes and the histopathological findings at day 14 in experimental cutaneous wounds in horses treated with a topical formulation containing powdered coconut water versus a reference antimicrobial ointment. Methods: Eight clinically healthy horses received two standardized circular skin wo...
A retrospective study of catastrophic pelvic fractures in California Thoroughbred racehorses. Here, we describe and characterize catastrophic pelvic fractures in Thoroughbred racehorses in California. We reviewed retrospectively racehorse autopsy reports from horses that died spontaneously or were euthanized because of complete pelvic fractures in California between 1992 and 2018. The exercise history of affected horses was compared with eventmatched control horses. Catastrophic pelvic fractures were sustained by 133 horses. Pelvic fractures were 2.7% of all musculoskeletal fatalities. Pelvic fractures occurred during training (48.0%), racing (35.0%), and non-exercise (17.0%). Horses ...
Choice for the horse is paramount: Owners’ experiences in facilitating friends, forage, and freedom in their management practices. Owned horses rely on people for their behavioural needs, such as access to conspecifics, constant access to low nutrient density, fibrous forage and freedom of movement; otherwise known as friends, forage and freedom (3Fs). Restricting the 3Fs prevents horses from achieving optimal welfare. We carried out 14 semi-structured interviews in the UK and Ireland to examine horse owners' experiences, attitudes and beliefs around the provision of the 3Fs. Most participants were female, aged from 25 to 65 years, resident in the UK and kept their horse at a livery facility. A reflexive thematic analysis...
The Impact of a Horse Kick: A Systematic Review of Horse-Related Maxillofacial Trauma. : To systematically review the evidence on horse-related maxillofacial trauma, with emphasis on horse-kick injuries, anatomical patterns, associated injuries, management, outcomes, and prevention. : This systematic review followed the PRISMA 2020 statement. PubMed/MEDLINE, Scopus, Web of Science, and the Cochrane Library were searched for original clinical studies reporting facial, craniofacial, orbital, dental, or maxillofacial injuries related to horse-associated activities. Data were extracted on study characteristics, demographics, mechanism, mounted/unmounted status, anatomical site, asso...
Risk Factors for Disease in Military Working Equines. Diseases can impact Military Working Equids (MWEs) readiness and limit days in service. The objectives of this study are to categorize diseases in MWEs and evaluate potential risk factors for disease. Methods: Pathology reports from MWEs from 2005 to 2025 were retrieved from the Joint Pathology Center archives. Disease processes with ≥5 cases were evaluated for potential risk factors, including MWE breed, sex, neuter status, geographic location, and age at sampling. Results: Diagnoses included inflammation (n = 30), neoplasia/proliferation (n = 24), within normal limits (n = 12),...
Evaluation of Microvascular Flow Imaging and Power Doppler Ultrasonography in an Equine Model of Induced Superficial Digital Flexor Tendonitis. Superficial digital flexor tendon (SDFT) injuries are common in athletic horses and are associated with prolonged healing and high reinjury rates. Conventional ultrasonography provides structural information but limited physiologic assessment. This study compared microvascular imaging (MVI) and Power Doppler (PD) for evaluating vascular changes in a collagenase-induced equine SDFT injury model and assessed the effect of scanning technique on vascular signal detection. Eight adult Thoroughbred horses underwent bilateral collagenase-induced SDFT injury, with one forelimb randomly assigned to int...
Equine nuclear medicine: Current state of play. Equine nuclear medicine provides functional information on bone turnover, perfusion, inflammation and tracer biodistribution. Its role has evolved from planar scintigraphy toward SPECT, PET and quantitative imaging. This review synthesised the historical foundations and contemporary state of equine nuclear medicine, with emphasis on racehorse and performance-horse applications. Methods: A PRISMA-aligned systematic narrative review and evidence map were undertaken. MEDLINE via PubMed, Web of Science Core Collection and SciQuest were searched, supplemented by reference-list screening, forward ci...
Risk factors for horse falls in British jump racing (2010-2023). Horse falls are an important safety and welfare concern in jump racing, as they are associated with an increased risk of equine fatality and injury, as well as jockey injury. Objective: To identify risk factors for horse falls in British jump racing. Methods: Retrospective cohort. Methods: All jump race starts made on British racecourses between January 2010 and April 2023 were considered. Available horse, race, racecourse, trainer and jockey data were collated and combined with faller data recorded in official databases. Horses that were 'brought down' by another horse were not considered a f...
Nonsteroidal anti-inflammatory drug administration alters crypt distribution of the peroxisomal marker acyl-coenzyme A oxidase 1 in the equine right dorsal colon. To characterize and compare the distribution of peroxisomal markers in the right dorsal colon (RDC) and left ventral colon (LVC) of healthy horses and horses treated with NSAIDs. Unassigned: Archived colonic tissues were evaluated from 10 horses (n = 5/group) administered phenylbutazone (4.4 mg/kg, PO, twice daily for 10 days) or placebo prior to euthanasia. Samples from the RDC and LVC were analyzed using immunofluorescence to assess peroxisomal biogenesis factor 14 (PEX14) and acyl-coenzyme A oxidase 1 (ACOX1) distribution. Marker abundance was quantified within colonic crypts and compared b...
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 ...
Hoist failure during recovery transfer in an anaesthetised horse: a near miss analysed through a Safety-II lens. A 660 kg, 11-year-old Irish Sport Horse gelding underwent general anaesthesia for an out-of-hours emergency exploratory laparotomy. After approximately 5 hours of anaesthesia, transfer to the recovery box began, using a ceiling-mounted hoist. As the horse crossed the theatre-recovery interface, the hoist failed due to mechanical disengagement. This resulted in loss of electrical power, leaving the anaesthetised horse suspended approximately 150 cm above the floor for approximately 10 minutes. The horse could not be advanced, reversed, or lowered using standard controls. Activity was paused, an...
Improving concussion assessment in jockeys: normative benchmarks and web-based tool for ImPACT interpretation. Despite horse racing's exceptionally high concussion risk, there is no jockey-specific ImPACT study. This work aimed to develop demographically adjusted, jockey-specific ImPACT norms and to evaluate complementary approaches to clinical classification. Unassigned: Retrospective baseline data from 663 Irish jockeys (2021-2024) were analyzed. Two normative methods were applied: (i) a univariate regression-based approach estimating expected scores for each cognitive domain independently, adjusting for age, sex, and education, with percentile-based classification; and (ii) a multivariate regression...
Correlation of Positron Emission Tomography and Low-Field Standing Magnetic Resonance Imaging in Horses With Forelimb Lameness Localized to the Foot. Low-field magnetic resonance imaging (LF-MRI) and positron emission tomography (PET) imaging can be obtained in the standing horse. There is potential for increased diagnostic capacity combining PET with MRI, given that PET assesses the metabolic activity of injured tissues, whereas MRI provides structural and functional details on both bone and soft tissue anatomy. This study aimed to describe 18-fluorine-fluorodeoxyglucose (F-FDG)-PET and 18-sodium fluoride (F-NaF)-PET imaging of horses with forelimb lameness localized to the foot and compare PET with LF-MRI. Fourteen horses with lameness lo...
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...
Smartphone-Based Technologies in Equine Sports Medicine: Supporting Athlete Management-A Review. Equine sports medicine is increasingly oriented toward objective, field-based monitoring systems that support both performance optimization and welfare assessment. In this context, smartphone-based technologies have emerged as accessible tools capable of integrating data acquisition, processing, and interpretation within a single platform. This narrative review aims to examine the role of smartphones in equine sports medicine, focusing on their function as standalone sensing devices and as gateways for wearable and external sensor systems. The analysis is based on a structured synthesis of cur...
Rider dislodgement events in U.S. steeplechase racing: participation outcomes in riders and horses. Steeplechase jockeys compete in high-risk races requiring horses and riders to clear fixed obstacles at speed. Although rider dislodgement events are recognized hazards, their incidence and participation consequences are not well characterized. Methods: This retrospective observational study used publicly available race charts from United States National Steeplechase Association races (2023-2025). Dislodgement events were defined as falls or lost rider events. Incidence rates were calculated per 1,000 starts, and timber and hurdle races were compared using Poisson regression. Rider interruptio...
Comparison of palpation and ultrasonography findings in supraspinous ligaments of horses. The purpose of this study was to evaluate the utility of palpation as a diagnostic tool for supraspinous ligament injuries in horses. Diagnosis of SSL injuries typically relies on a combination of clinical examination and ultrasonographic findings. To the authors' knowledge, no previous studies have specifically investigated palpation as a diagnostic measure for these injuries. Unassigned: This retrospective study analyzed data from 126 horses resented to the University Veterinary Teaching Hospital for back pathology. Inclusion criteria required horses to have a documented descriptive palpator...
