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Topic:Case Reports
Case reports in equine medicine provide detailed accounts of individual horses' clinical presentations, diagnostic processes, treatments, and outcomes. These reports are valuable for documenting rare conditions, novel treatment approaches, or unique clinical insights that may not be captured in larger studies. By focusing on individual cases, these reports contribute to the broader understanding of equine health and disease management. They often include comprehensive information on the horse's history, clinical findings, diagnostic tests, therapeutic interventions, and follow-up evaluations. This page assembles peer-reviewed case reports and scholarly articles that explore diverse aspects of equine health, offering insights into specific medical scenarios and their implications for veterinary practice.
Comparison of short- and long-term complications and survival following jejunojejunostomy, jejunoileostomy and jejunocaecostomy in 112 horses: 2005-2010. There is disagreement among surgeons over whether jejunoileostomy (JI) or jejunocaecostomy (JC) is the better method of anastomosis following proximal ileal resection. Objective: To compare short- and long-term complications and outcome in horses undergoing jejunojejunostomy (JJ), JI and JC and to test the hypotheses that a higher proportion of horses undergoing JI would have short-term complications and mortality compared with horses undergoing JC or JJ and that JC would be associated with a higher long-term mortality and occurrence of colic. Methods: Retrospective cross-sectional study. Meth...
An unusual case of urinary retention and ulcerative cystitis in a horse, sequelae of pelvic abscessation, and adhesions. A 21-year-old Quarter horse gelding was presented with stranguria and incontinence of 10 days duration. Despite catheterization and antibiotic therapy, the horse was euthanized. Necropsy revealed posterior abdominal and pelvic abscessation with adhesions of the urinary bladder and severe ulcerative cystitis. . Un hongre Quarter horse âgé de 21 ans a été présenté avec de la strangurie et de l’incontinence depuis 10 jours. Malgré le cathétérisme et la thérapie antibiotique, le cheval a été euthanasié. La nécropsie a révélé un abcès pelvien avec des adhérences de la vessie ur...
Lawsonia intracellularis-associated ulcerative and necro-hemorrhagic enteritis in 5 weanling foals. This report describes 5 cases of fatal Lawsonia intracellularis-associated ulcerative and necro-hemorrhagic enteritis in weanling Thoroughbred and Standardbred foals. The lesions are similar to those of the L. intracellularis-associated ulcerative and necro-hemorrhagic enteritis syndrome in pigs. Two foals had concurrent severe typhlo-colitis as a result of a large burden of encysted cyathostomes. The clinical, diagnostic, and therapeutic challenges, and the potential complications encountered during the management of such cases are discussed. Entérite ulcérative et nécro-hémorragique asso...
Severe gastric impaction secondary to a gastric polyp in a horse. A 13-year-old Percheron gelding was presented for refractory gastric impaction. At necropsy a pedunculated 10 cm × 11 cm × 14 cm mass, histologically identified as an inflammatory polyp, was suspected to have been partly obstructing the pylorus. This is the first report of a polyp resulting in gastric outflow obstruction in a horse. Un hongre Percheron âgé de 13 ans a été présenté pour une surcharge gastrique réfractaire. À la nécropsie, une masse pédonculée de 10 cm × 11 cm × 14 cm, identifiée à l’histologie comme un polype inflammatoire, a été soupçonnée d’avoir par...
Aseptic tenosynovitis of the carpal flexor sheath caused by rupture of the accessory ligament of the deep digital flexor tendon. A mare was evaluated for acute left forelimb lameness with effusion of the carpal flexor sheath. No osseous abnormalities were noted during radiographic examination. Significant disruption of the accessory ligament of the deep digital flexor tendon was seen during ultrasonographic examination. Carpal sheath effusion and lameness resolved after medical treatment. Une jument a été évaluée pour une boiterie aiguë de la patte avant gauche avec effusion de la gaine du fléchisseur carpien. Aucune anomalie osseuse n’a été observée durant l’examen radiographique. Une perturbation importa...
Mandibular degloving injury in an Arabian filly. A 6-month-old Arabian filly escaped its handler while being led and slipped on pavement. The referring veterinarian recognized severe, soft tissue damage to the filly's lower jaw and referred the filly to the Veterinary Teaching Hospital for surgical management. Blessure de dégantage mandibulaire chez une pouliche arabe. Une pouliche arabe âgée de 6 ans s’est échappée de son préposé pendant qu’il la menait et a glissé sur la chaussée. Le vétérinaire traitant a reconnu des dommages graves aux tissus mous de la mâchoire inférieure de la pouliche et a recommandé la pouliche à l...
Laminar epidermal hyperplasia and hyperkeratosis in an equine hoof. A 6-year-old Canadian Warmblood gelding was presented for suspicion of keratoma growth, based on a history of recurring abscesses in the right front foot. Radiographic examination and computed tomography identified 2 bilaterally symmetrical, laminar epidermal ingrowths adhered to the hoof wall at the level of the lateral and medial heels. Hyperplasie épidermique laminaire et hyperkératose dans un sabot équin. Un hongre Canadian Warmblood âgé de 6 ans a été présenté en raison de soupçons relativement à la croissance de kératomes, basés sur des antécédents d’abcès récurrents d...
Laparoscopic removal of a bladder urolith in a standing horse. An 11-year-old Arabian gelding was evaluated for hematuria, stranguria, and pollakiuria that had been observed for 1 week. Results: Transrectal palpation revealed a 5-cm firm round mass in the urinary bladder. Cystoscopy and transrectal ultrasonography confirmed the diagnosis of urinary bladder urolithiasis. Results: A multiportal transparalumbar fossa laparoscopic approach was selected for cystotomy and urolith removal. Cystotomy and urolith removal was performed with sedation and local anesthesia with the horse standing. No perioperative complications were observed. Urination returned to nor...
Swellings of the angle of the mandible in 32 horses (1997-2011). Disorders of the horizontal ramus (body) of the equine mandible are well reported, but there is minimal documentation of disorders of the angle of mandible. A retrospective examination of the records of Edinburgh University Equine Hospital (1997-2011) showed that 32 horses were referred due to swellings of the angle of the mandible. The aetiology of these swellings was identified in just 13/32 cases (41%) including fractures (n=2), traumatic, localised periosteal/cortical lesions (n=4), traumatic soft tissue lesions (n=2), neoplasia (n=3), and inflammation of the adjacent salivary gland (n=1) ...
Equine deep stromal abscesses (51 cases – 2004-2009)–Part 1: the clinical aspects with attention to the duration of the corneal disease, treatment history, clinical appearance, and microbiology results. To study the equine deep stromal abscesses (DSA) with focus on the duration of the corneal disease, medical treatment, season of presentation, clinical appearance, and the degree of corneal vascularization. Methods: Equine DSA diagnosed, biopsied, and surgically treated at the University of Florida Veterinary Medical Center (UFVMC) from 2004 to 2009 were identified. The medical record, clinical photographic images, and microbiology results for each case were evaluated. Frequency and prevalence calculation as well as qualitative data analysis was performed for clinical and microbiological data....
Equine sarcoidosis. Equine sarcoidosis seems to be an emerging problem. As more horses are referred for dermatologic disease, equine sarcoidosis should be considered in any case of exfoliative and/or nodular skin disease with or without systemic involvement, including generalized granulomatous disease affecting most internal organs. Multiple breeds are affected with mares being predisposed. Affected horses are typically 3 years or older. The prognosis for generalized granulomatous disease is generally poor, whereas the prognosis for the localized cutaneous form is favorable but may require lifelong treatment.
Use of a hand-assisted laparoscopic surgical technique for closure of an extensive mesojejunal rent in a horse. A 7-year-old 573-kg (1,261 -lb) Swiss Warmblood gelding was evaluated because of signs of acute abdominal pain. Results: Physical examination revealed a markedly distended abdomen with subjectively reduced borborygmi in all abdominal quadrants. A large, gas-distended viscus was present at the pelvic brim preventing complete palpation of the abdomen per rectum. Ultrasonographic evaluation could not be safely performed in the initial evaluation because of severe signs of abdominal pain. Results: Ventral midline celiotomy was performed, and right dorsal displacement of the ascending colon was cor...
Superficial digital flexor tendonitis in cutting horses: 19 cases (2007-2011). To characterize superficial digital flexor (SDF) tendon lesions in the forelimbs of cutting horses and determine recurrence rate and prognosis for this condition. Methods: Retrospective case series. Methods: 19 cutting horses with SDF tendonitis. Methods: Medical records for horses evaluated for SDF tendonitis in 2007 through 2011 were reviewed. Data regarding age, sex, lameness grade, affected limb, and treatment were collected. Ultrasonographic images were reviewed, and lesion characteristics were recorded. Follow-up telephone interviews with owners or trainers were conducted to determine re...
Extensive epidermal naevus in a foal. A 2-month-old Standardbred filly was presented for examination and treatment of extensive congenital skin lesions that had a linear distribution on the left front leg extending from the dorsal midline to the metacarpal region. The lesions were surgically excised under general anaesthesia. Surgical excision was curative and there were no signs of recurrence 6 weeks after surgery. The number and distribution of lesions were more extensive than in previously reported cases of congenital papillomas, which have also been described as epidermal growth abnormalities (naevi or hamartomas). Early repor...
Mandibular corrective osteotomy using novel locking compression plate 3.5/4.5/5.0 mm metaphyseal plates. To describe a technique and the outcome of using 3.5/4.5/5.0 Metaphyseal Locking Compression Plate for corrective osteotomy of mandibular brachygnathia. Methods: Clinical report. Methods: Eight-month Thoroughbred horse. Methods: Severe mandibular brachygnathia was surgically treated by corrective osteotomy and fixation with 2 LCP 3.5/4.5/5.0 Metaphyseal plates inserted using minimally invasive technique. Results: Severe mandibular brachygnathia was treated successfully with minor complications and stable fixation after 3 months. Cosmetic outcome and owner satisfaction was excellent. Conclusion...
Identification of Actinomyces denticolens as a cause of a soft tissue abscess in a horse. A 6-year-old Arabian mare had a 4-week history of a subcutaneous mass (15 × 15 cm) at the base of the neck, cranial and distal to the prescapular lymph node on the right side. The mass was solid and painful on deep palpation. Ultrasonographic examination showed a soft-tissue abscess. Purulent aspirate was submitted for bacterial culture, which showed a moderate growth of an Actinomyces species. 16S rRNA gene sequencing was performed for definitive identification. Gene sequencing demonstrated close nucleotide homology with A. denticolens. Prolonged therapeutic management resulted in resolu...
Bioengineered osteochondral precursor for treatment of osteochondritis dissecans in a Thoroughbred filly. A 13-month-old Thoroughbred filly was diagnosed with osteochondritis dissecans (OCD) of the medial tibial malleolus. A sponge impregnated with platelet-rich plasma, bone morphogenetic protein-2, mesenchymal stem cells and gelatin β-tricalcium phosphate was applied to the OCD site following arthroscopy and debridement. Postoperative radiography (every week for 16 weeks), computed tomography (CT) (16 weeks postoperatively), arthroscopy (16 weeks postoperatively) and biopsy of the regenerated tissue (16 weeks postoperatively) were performed to evaluate the outcome. Radiographically, the defect b...
Is the horse a reservoir or an indicator of Coxiella burnetii infection? Systematic review and biomolecular investigation. The role of the horse in Coxiella burnetii infection has not been defined. Accordingly, a twofold approach was taken to further our knowledge on this topic: (1) conduct a systematic review of the literature to establish available evidence of C. burnetii infection in the horse; (2) undertake a biomolecular investigation of 122 cases of equine abortion, stillbirth and neonatal foal death, for the presence of C. burnetii using a PCR test targeting the IS1111 gene of C. burnetii. A review of the literature turned up seven studies that identified C. burnetii DNA in equine specimens, especially abor...
The Saratoga WarHorse project: a case study of the treatment of psychological distress in a veteran of Operation Iraqi Freedom. We theorized that ability to direct and control a horse will lead to a sense of empowerment, facilitate a relationship between horse and veteran, lead to a decrease in anxiety, and improve physical and social functioning. Methods: This case study utilizes the Connection methodology: nonverbal language of the horse in a predictable, sequential, and repeatable method. Psychological testing occurred immediately pre- and post-Connection with follow-up occurring at 2, 4, 6, and 12 wks post-Connection. Methods: Twice-deployed combat medic who served in Operation Iraqi Freedom (OIF). Methods: Saratog...
Actinobacillus equuli ssp. haemolyticus in a semi-occlusively treated horse bite wound in a 2-year-old girl. We report on the isolation of Actinobacillus equuli ssp. haemolyticus from wound smears of a 2-year-old girl who was admitted to the hospital due to partial amputation of the distal phalanx of her right middle finger caused by a horse bite. A. equuli typically causes diseases in horses and only very few reports describing human infections (mostly associated with wounds) are available in the literature. Interestingly, although the bacteria could be found in consecutive samples taken at different points in time, there were no signs of advancing infection or inflammation. Moreover, the fingertip ...
Long term outcome after surgical correction of mandibular brachygnathia with unilateral type 1 external skeletal fixation. To describe complications and long-term outcome after surgical correction of severe overbite in 7 horses using corrective osteotomy and a Type I external fixator. Methods: Case series. Methods: Horses (n = 7). Methods: Seven horses with severe mandibular brachygnathia were treated by corrective osteotomy and a Type I external fixator. Data on surgical technique, complications, long-term outcome and owner satisfaction were recorded. Results: Severe mandibular brachygnathia was corrected successfully in all horses. Short term follow-up revealed a relatively high morbidity due to several comp...
Imaging diagnosis-hypoglycemia associated with cholangiocarcinoma and peritoneal carcinomatosis in a horse. An 8-year-old Thoroughbred mare presented for decreased appetite, ataxia, and weakness. Abdominal ultrasound revealed a large volume of anechoic fluid along with multiple masses involving the spleen, liver, and diaphragm. Pleural fluid was identified via ultrasonography and thoracic radiography. Thoracic radiographs also identified pulmonary interstitial nodules, an undulant dorsal diaphragmatic margin and enlargement of tracheobronchial lymph nodes. Clinical signs of weakness and mild seizures were concurrent with hypoglycemic episodes. The final diagnosis was cholangiocarcinoma with extensiv...
Outcome of horses with synovial structure involvement following solar foot penetrations in four UK veterinary hospitals: 95 cases. The factors associated with outcome following solar foot penetration involving synovial structures treated using endoscopic lavage have not been described in the UK population. Objective: To provide descriptive data on horses with synovial contamination or sepsis following solar penetration in 4 UK equine referral hospitals and to identify specific factors associated with the outcome. Methods: Retrospective case series. Methods: Data were collected from 4 veterinary hospitals. Follow-up data were obtained via a telephone questionnaire. Two multivariable logistic regression models were generate...
Surgical Management of Penile and Preputial Neoplasms in Equine with Special Reference to Partial Phallectomy. Penile and preputial neoplasia in horses occurs infrequently and represents diagnostic and therapeutic challenges. The present study was carried out on a total number of 21 equids (14 stallions and 7 donkeys) suffered from different penile and preputial neoplasia. Diagnosis of neoplasms was based up on history of the case, clinical examination as well as histopathological evaluation. Animals with penile and preputial neoplasms were underwent local excision and partial phallectomy with a slightly modified version of the techniques described by William's. The diagnosed neoplasms were penile and ...
