Equine Veterinary Education最新文献

{"title":"Streptococcus equi subsp. equi infection causing temporomandibular septic arthritis treated by mandibular condylectomy in a horse","authors":"L. Gross,&nbsp;A. Charbonnel,&nbsp;A. Meurice,&nbsp;C. De Fourmestraux","doi":"10.1111/eve.70161","DOIUrl":"https://doi.org/10.1111/eve.70161","url":null,"abstract":"<p>A 26-year-old pony mare was referred for weight loss, dysphagia, lethargy and fever. Clinical examination revealed left temporal swelling, masseter muscle atrophy and malocclusion. Computed tomography examination showed severe temporomandibular joint (TMJ) alteration, extensive osteolysis of the mandibular condyle and temporal bone and concurrent temporohyoid joint involvement. Synovial fluid analysis confirmed TMJ septic arthritis, and bacterial culture and isolation identified <i>Streptococcus equi</i> subsp. <i>equi</i>. Medical management, including joint lavage and systemic and intra-articular antimicrobials, was unsuccessful. A left unilateral mandibular condylectomy associated with disc removal was therefore performed under general anaesthesia. Postoperatively, the mare showed rapid improvement in comfort and appetite. Ten months postoperatively, mastication and body condition were normal. Septic arthritis of the TMJ is uncommon in horses but can severely impair mastication and welfare. Reported causes include penetrating trauma, fractures, iatrogenic inoculation or extension from adjacent infections. While <i>Streptococcus equi</i> subsp. <i>zooepidemicus</i> has been identified in previous cases, no cases involving <i>Streptococcus equi</i> subsp. <i>equi</i> have been reported in TMJ septic arthritis prior to the present case. This case also highlights the diagnostic value of advanced imaging, supports condylectomy as an effective therapeutic option in chronic TMJ sepsis and describes an atypical osteoarticular manifestation of strangles.</p>","PeriodicalId":11786,"journal":{"name":"Equine Veterinary Education","volume":"38 11","pages":"e837-e845"},"PeriodicalIF":1.1,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/eve.70161","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149099577","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nonhealing corneal ulcers in horses: Clinical clarification and management considerations","authors":"L. Charnock","doi":"10.1111/eve.70083","DOIUrl":"https://doi.org/10.1111/eve.70083","url":null,"abstract":"<div>\u0000 \u0000 <p>A comprehensive ophthalmic examination is essential for identifying factors that may contribute to the development of a corneal ulcer. The report by Dixon et al. (<i>Equine Veterinary Education</i>, 2025) in the current issue features a case series where a conjunctival foreign body was identified as the cause of corneal ulceration. The specific clinical presentation of a primary, superficial, nonhealing corneal ulcer with nonadherent epithelium is also discussed, along with management options. This commentary highlights the importance of distinguishing between nonhealing corneal ulcers caused by underlying factors and those that are primary.</p>\u0000 </div>","PeriodicalId":11786,"journal":{"name":"Equine Veterinary Education","volume":"38 11","pages":"573-577"},"PeriodicalIF":1.1,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149100425","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Long-term outcome of a non-reducible congenital atlanto-occipital subluxation in a warmblood foal","authors":"D. M. T. Adler,&nbsp;S. Hansen,&nbsp;L. Rasmussen,&nbsp;S. Jacobsen","doi":"10.1111/eve.70082","DOIUrl":"https://doi.org/10.1111/eve.70082","url":null,"abstract":"<p>An 11-day-old warmblood colt was referred to the Large Animal Teaching Hospital, University of Copenhagen, for further investigation of a stiff neck and lateral deviation of the poll, with suspicion of a congenital cervical vertebral abnormality. This case report describes clinical presentation, diagnostics, treatment and short- and long-term outcome at 4 years of age of a horse, which was eventually diagnosed with congenital atlanto-occipital subluxation. Attempts at reduction of the subluxation through closed and open approaches were unsuccessful, and a computed tomography scan performed at 4 years of age showed persistent subluxation, yet the horse was in full work and showed no lameness or ataxia.</p>","PeriodicalId":11786,"journal":{"name":"Equine Veterinary Education","volume":"38 11","pages":"e846-e852"},"PeriodicalIF":1.1,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/eve.70082","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149100426","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Microscopic conjunctival plant foreign bodies—A seasonal cause of persistent corneal ulceration in UK horses","authors":"S. F. Dixon,&nbsp;E. Scurrell,&nbsp;R. Lowe,&nbsp;C. de Oliveira","doi":"10.1111/eve.70039","DOIUrl":"https://doi.org/10.1111/eve.70039","url":null,"abstract":"<div>\u0000 \u0000 <p>Sixteen eyes from 15 horses in the south of England examined for nonhealing ulcers and/or persistent ocular pain between October 2022 and November 2024 were diagnosed with linear plant foreign bodies lodged in the palpebral conjunctiva. Surgical excision of the foreign bodies resulted in resolution of the ulcer and ocular pain in all cases. The cases showed a strong seasonal distribution (October–December), and most horses had known exposure to burdock (<i>Arctium lappa or Arctium minus</i>), with owners reporting burdock burrs tangled in the mane and forelock. Microscopic and histopathologic examination of the foreign bodies in five cases appeared consistent with pappus bristles of <i>Arctium</i> sp. ‘Burdock keratitis’ has been reported in horses in the USA, but as far as the authors are aware, this is the first report of seasonal conjunctival plant foreign bodies as a cause of nonhealing ulcers and ocular pain in the United Kingdom. The authors propose that burdock pappus bristles are the likely cause of ocular discomfort in these 15 horses. These foreign bodies were predominantly located in the palpebral conjunctiva of the upper eyelid, with a similar appearance to ectopic cilia and thus may be misdiagnosed. Standing conjunctivectomy is an effective treatment.</p>\u0000 </div>","PeriodicalId":11786,"journal":{"name":"Equine Veterinary Education","volume":"38 11","pages":"e790-e799"},"PeriodicalIF":1.1,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149100073","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Formalin use for surgical margin control after resection of gingival fibroma in a mare","authors":"G. Caballero Delgado,&nbsp;S. Grulke,&nbsp;A. Salciccia,&nbsp;B. Román Durá,&nbsp;A. Charles,&nbsp;S. Jolly,&nbsp;G. de la Rebière de Pouyade","doi":"10.1111/eve.70151","DOIUrl":"https://doi.org/10.1111/eve.70151","url":null,"abstract":"<div>\u0000 \u0000 <p>Gingival fibroma is rare in horses and is most commonly located in the rostral portion of the maxilla or mandible; however, more caudal locations have occasionally been reported. Although these lesions are benign, they have a high recurrence rate if all abnormal tissue is not completely removed. Standard treatment typically involves surgical excision, sometimes combined with adjunctive chemotherapy. In certain cases, more aggressive procedures such as mandibulectomy may be required depending on tumour size and anatomical location. However, these approaches are not always feasible due to anatomical constraints or financial limitations. This report describes the management of a gingival fibroma in a horse in which complete surgical excision was not possible. Following tumour recurrence after initial surgical debulking and local adjunctive chemotherapy using carbolatin, a second approach was performed using multiple intralesional injections of a 10% formalin solution after an additional surgical debulking. This technique resulted in progressive regression of the mass. No tumour recurrence was observed during a follow-up period of 22 months, and only mild local adverse effects were reported. This case suggests that intralesional formalin injection may represent a simple and cost-effective adjunctive treatment option for selected intraoral tumours in horses when conventional approaches are limited.</p>\u0000 </div>","PeriodicalId":11786,"journal":{"name":"Equine Veterinary Education","volume":"38 11","pages":"e814-e820"},"PeriodicalIF":1.1,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149100302","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Nonhealing corneal ulcers as a manifestation of bullous pemphigoid in a horse","authors":"B. D. Story,&nbsp;J. Elfenbein,&nbsp;M. F. Mallicote,&nbsp;P. E. Ginn,&nbsp;W. F. Craft,&nbsp;C. E. Plummer","doi":"10.1111/eve.70093","DOIUrl":"https://doi.org/10.1111/eve.70093","url":null,"abstract":"<div>\u0000 \u0000 <p>An 18-year-old Quarter Horse cross gelding was referred for a 2-month history of keratitis, conjunctivitis, sloughing of oral mucosa and multifocal areas of crusting and alopecia along the neck, shoulders, withers, back, anus and perineal region. On presentation, there was severe blepharospasm, keratitis and bilateral superficial corneal ulceration. Corneal cytology and biopsy of the right cornea were consistent with necrotising keratitis with no evidence of infectious or neoplastic aetiologies. Histopathological examination of multiple sections of haired skin indicated a subepidermal vesicular dermatitis consistent with a bullous pemphigoid type condition. The gelding was treated with azathioprine and dexamethasone systemically, resulting in improvement in dermatologic and mucocutaneous lesions. Topical administration of cyclosporine and dexamethasone resulted in resolution of corneal ulcerations in 24 days. This report describes the presentation, treatment and possible underlying pathophysiology of a suspected ocular manifestation of a vesiculobullous disease.</p>\u0000 </div>","PeriodicalId":11786,"journal":{"name":"Equine Veterinary Education","volume":"38 11","pages":"e767-e774"},"PeriodicalIF":1.1,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149100680","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Limbal cystotomy by fine needle aspiration of a translucent iris cyst in a horse","authors":"A. L. Hendrikx,&nbsp;S. Veraa,&nbsp;J. P. A. M. van Loon,&nbsp;H. Hermans,&nbsp;I. J. M. Slenter,&nbsp;E. M. S. Visser","doi":"10.1111/eve.14161","DOIUrl":"https://doi.org/10.1111/eve.14161","url":null,"abstract":"<p>A 4-year-old Cremello crossbred mare was referred to the Equine Veterinary Teaching Hospital of Utrecht University for a translucent iris cyst from the dorsal pupillary margin corpora nigra in the right eye. Although noninvasive diode laser treatment is the preferred method of pigmented cyst ablation, two attempts did not result in disruption of the translucent iris cyst in this case, probably due to the minimal amount of pigment in the cyst. After those unsuccessful attempts, the horse was put under general anaesthesia and a limbal cystotomy by fine needle aspiration of the cyst was performed successfully. During the procedure, a small amount of cyst wall material was accidentally pulled into the limbus at the site of the fine needle aspiration, causing hyperaemia that resolved within 40 days. No recurrence of the iris cyst was reported up to 15 months after treatment. To the author's knowledge, this case report is the first to describe a successful treatment method for translucent iris cysts in horses.</p>","PeriodicalId":11786,"journal":{"name":"Equine Veterinary Education","volume":"38 11","pages":"e784-e789"},"PeriodicalIF":1.1,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://onlinelibrary.wiley.com/doi/epdf/10.1111/eve.14161","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149099550","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Mandibular osteomyelitis caused by Actinomyces denticolens in a horse","authors":"S. Lykkjen,&nbsp;S. Sangnæs,&nbsp;M. K. Austnes,&nbsp;E. H. S. Hendrickson,&nbsp;H. Sørum","doi":"10.1111/eve.70160","DOIUrl":"https://doi.org/10.1111/eve.70160","url":null,"abstract":"<div>\u0000 \u0000 <p>A 3-year-old Welsh Cob gelding presented for evaluation and treatment of a recurrent and increasing left-sided mandibular swelling. A definitive diagnosis and treatment strategy for mandibular osteomyelitis caused by <i>Actinomyces denticolens</i> was achieved using computed tomography examination, bacterial culture and molecular identification. Treatment included ultrasound-guided surgical debridement, lavage and long-term antibiotic treatment using an effective antibiotic with good penetration to bone. The horse responded favourably to the treatment, and no relapse was reported after 10 months follow-up. The finding proves that <i>A. denticolens</i> can infect and cause treatable facial osteomyelitis in horses.</p>\u0000 </div>","PeriodicalId":11786,"journal":{"name":"Equine Veterinary Education","volume":"38 11","pages":"e830-e836"},"PeriodicalIF":1.1,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149099749","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Equine occipito-atlantal luxations and other cervical conundrums: Challenges and considerations for management and treatment","authors":"J. D. C. Anderson","doi":"10.1111/eve.70118","DOIUrl":"https://doi.org/10.1111/eve.70118","url":null,"abstract":"","PeriodicalId":11786,"journal":{"name":"Equine Veterinary Education","volume":"38 11","pages":"585-589"},"PeriodicalIF":1.1,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149100461","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Protected antimicrobial use in 19 equine veterinary practices in the United Kingdom","authors":"C. Sinclair,&nbsp;I. Schofield,&nbsp;H. Stone,&nbsp;T. Mair","doi":"10.1111/eve.70076","DOIUrl":"https://doi.org/10.1111/eve.70076","url":null,"abstract":"&lt;div&gt;\u0000 \u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Background&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Antimicrobials essential for human health must be used judiciously.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Objectives&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Audit to quantify use and indications for ‘protected antibiotics’ in general equine practice.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Study Design&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Prospective descriptive.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Methods&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Systemic use of third-generation cephalosporins (ceftiofur), fluoroquinolones (enrofloxacin and marbofloxacin), macrolides (clarithromycin), ansamycins (rifampin) and polymyxins (polymyxin B) (‘protected antibiotics’) was prospectively recorded in 19 practices over 6 months (April–September 2023). Univariable categorical comparisons were made using chi-squared tests.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Results&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Protected antibiotics were prescribed to 200 horses (10 horses prescribed two protected antibiotics concurrently). These 210 prescriptions included ceftiofur (48.2%), enrofloxacin (34.3%), marbofloxacin (7.1%), polymyxin B (6.2%), rifampin (2.8%) and clarithromycin (1.4%). Hospitals with an ambulatory practice generated protected antibiotic prescriptions in 0.53% of their ‘active patients’, compared to 0.17% in ambulatory only practices. The commonest indications were respiratory disease (18.0%), foal septic diseases (16.5%), gastrointestinal diseases (15.0%), complicated wounds (13.5%), ‘dummy’/premature foals (7.5%) and cellulitis/lymphangitis (6.5%). Of 190 horses prescribed protected antibiotics where age was recorded, 76 (40.0%) were foals. Horse age was associated with specific antibiotic use (&lt;i&gt;p&lt;/i&gt; &lt; 0.001), with 73.7% of ceftiofur prescriptions for foals, and 97.0% and 100% of enrofloxacin and marbofloxacin prescriptions, respectively, for adults. Only 33.2% had antibiotic susceptibility testing (AST) performed; horses less than 1 year old were less likely to have AST compared to adults (&lt;i&gt;p&lt;/i&gt; &lt; 0.001). Commonest justifications for protected antibiotic use were lack of alternative preparations suitable for foals (27.5%), AST results (24.9%) and failure to respond to previous antibiotic treatment (17.1%). Dose rates were variable but generally appropriate.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Main Limitations&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Convenience sampling. Small number of cases. Aminoglycoside use not evaluated.&lt;/p&gt;\u0000 &lt;/section&gt;\u0000 \u0000 &lt;section&gt;\u0000 \u0000 &lt;h3&gt; Conclusions&lt;/h3&gt;\u0000 \u0000 &lt;p&gt;Foal infections, respiratory and gastrointestinal diseases and c","PeriodicalId":11786,"journal":{"name":"Equine Veterinary Education","volume":"38 11","pages":"e872-e881"},"PeriodicalIF":1.1,"publicationDate":"2026-10-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149100218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}