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The Canadian veterinary journal = La revue vétérinaire canadienne.
Publisher:
Canadian Veterinary Medical Assn.. Ottawa : Canadian Veterinary Medical Association
Frequency: Monthly
Country: Canada
Language: English
Author(s):
Canadian Veterinary Medical Association.
Start Year:1960 -
Identifiers
| ISSN: | 0008-5286 (Print) 0008-5286 (Linking) |
| NLM ID: | 0004653 |
| (OCoLC): | 08154872 |
| (DNLM): | C04920000(s) |
| Coden: | CNVJA |
| LCCN: | cn 76308885 |
| Classification: | W1 CA665S |
Comparison of hand-sewn and oversewn stapled jejunojejunal anastomoses in horses. The objective of this study was to compare the biomechanical properties of hand-sewn jejunojejunal anastomoses to those of oversewn stapled jejunojejunal anastomoses. Jejunojejunal anastomoses were constructed from harvested jejunal segments using a single-layer Lembert technique (1HS), double-layer simple continuous/Cushing technique (2HS), stapled side-to-side technique oversewn with Cushing pattern (SS), and closed 1-stage stapled functional end-to-end technique oversewn with Cushing pattern (FEE). Anastomosed segments were distended with fluid until the point of biomechanical failure. The ...
Is there an application for wireless capsule endoscopy in horses? This pilot study assessed wireless capsule endoscopy in horses. Image transmission was achieved with good image quality. Time to exit the stomach was variable and identified as one limitation, together with gaps in image transmission, capsule tumbling, and inability to accurately locate the capsule. Findings demonstrate usefulness and current limitations. Cette étude pilote a évalué l’endoscopie par capsule chez les chevaux. La transmission d’images a permis d’obtenir une bonne qualité d’image. Le temps jusqu’à la sortie de l’estomac était variable et identifié comme une li...
A retrospective study of owner-requested testing as surveillance for equine infectious anemia in Canada (2009-2012). This retrospective study was undertaken to estimate i) the surveillance coverage for equine infectious anemia (EIA) based on owner-requested testing, and ii) the incidence of case detection from this surveillance activity to inform a review of Canada's national disease control strategy. Based on sample submissions by accredited veterinarians to laboratories CFIA-approved for EIA testing between 2009 and 2012, the estimated national surveillance coverage was 14% for all years, and 72 cases of EIA were detected. The annual national incidence of EIA detection ranged from 0.03 to 0.08 cases/1000 h...
Development of a minimally invasive approach to equine cervical articular facet joints for placement of an ND:YAG LASER. The purpose of this study was to develop a minimally invasive approach to equine cervical articular facet joints for application of an ND:YAG LASER and to evaluate the effects of the laser fiber on the surrounding tissue. Under general anesthesia, an ND:YAG LASER was used to apply 2000 J of energy to 5 cervical articular facet joints in 3 horses (15 joints total). Horses were euthanized and the cervical facets and spinal cords were examined grossly and histologically. Gross pathology of the articular facets revealed evidence of articular cartilage charring and diffuse roughening of the surface...
Morcellation for testes extraction in horses undergoing standing laparoscopic cryptorchidectomy. The major objective of this study was to describe the use of morcellation for standing laparoscopic cryptorchidectomy in 30 client-owned horses. A second objective was to describe a laparoscopic-assisted standing scrotal technique for removal of a descended testis in unilateral cryptorchids. Morcellation for extraction of abdominal testes is effective, efficient, and well-tolerated. Morcellation enabled safe and straightforward extraction of testes from the abdomen through an approximately 13- to 20-mm incision using a 2-portal technique. No incisional or morcellator-related complications occu...
Unusual presentation of cyathostomiasis in an adult Thoroughbred mare. A recently purchased 16-year-old Thoroughbred mare with a history of recurrent colic and low body weight, also had lameness in 3 limbs, pain at the sacro-iliac joint, and increased corneal opacity of the right eye. Response to supportive therapy was poor and euthanasia was elected. A postmortem examination and histopathology confirmed cyathostomiasis within the large colon and cecum and chronic anterior uveitis of the right eye. Une jument Thoroughbred, âgée de 16 ans et récemment achetée, avec une anamnèse de coliques récurrentes et de faible poids corporel souffrait aussi de boiterie ...
Surgical removal of a gastric trichophytobezoar in a foal. This report describes a rare case of gastric impaction caused by a trichophytobezoar in a foal. This case highlights the difficulty in diagnosing this condition and reports surgical removal via a gastrotomy after failure of medical treatment. Ablation chirurgicale d’un trichophytobézoar gastrique chez un poulain. Ce rapport décrit un rare cas d’obstruction gastrique causé par un trichophytobézoar chez un poulain. Ce cas souligne la difficulté à diagnostiquer cette affection et fait rapport sur l’ablation chirurgicale lors d’une gastrotomie après l’échec du traitement médical...
Prevalence of obesity in the equine population of Saskatoon and surrounding area. A retrospective study determined the prevalence of obesity and over-conditioning in horses in Saskatoon, Saskatchewan. Body condition score (BSC) was assessed for 290 horses from the Field Service practice at the Western College of Veterinary Medicine. The median BSC of horses was 6; however, 59 (20.3%) horses were classified as over-conditioned, and 24 (8.3%) as obese. Une étude rétrospective a déterminé la prévalence de l’obésité et du surconditionnement des chevaux à Saskatoon, en Saskatchewan. La note d’état corporel (NEC) a été évaluée pour 290 chevaux à la pratique sur...
Atlanto-axial malformation in an adult Quarter horse gelding. An adult gelding was evaluated for bilateral intermittent forelimb lameness of approximately 2 years duration. The horse was found to have grade 2/5 upper motor neuron-general proprioception ataxia with no cranial nerve deficits. During radiographic and gross necropsy examinations a novel atlanto-axial malformation of possible congenital etiology was found. Un hongre adulte a été évalué pour une boiterie intermittente de la jambe avant présente depuis environ 2 ans. On a constaté que le cheval avait une ataxie de proprioception générale des motoneurones supérieurs de grade 2/5 sans d...
Cecal entrapment within the epiploic foramen in a mare. An 11-year-old Thoroughbred mare with colic unresponsive to medical treatment underwent exploratory laparotomy. During surgery the cecum was found entrapped within the epiploic foramen from left to right. The entrapped cecum was reduced through the foramen by gentle traction. After reduction of the cecum, rupture of the portal vein was detected. Loss of a large amount of blood prompted euthanasia during surgery. Une jument Thoroughbred âgée de 11 ans atteinte de coliques ne répondant pas au traitement médical a subi une laparatomie exploratoire. Durant la chirurgie, le cæcum a été trou...
Response to acupuncture treatment in horses with chronic laminitis. There is a need for evidence-based scientific research to address the question of the effectiveness of acupuncture in improving clinical signs of laminitis in horses. The objective of this study was to compare lameness levels before and after 2 acupuncture treatments in horses with chronic laminitis. Twelve adult horses with chronic laminitis received 2 acupuncture treatments 1 week apart. The points were treated using dry needling, hemo-acupuncture, and aqua-acupuncture. Lameness level was objectively evaluated using an inertial sensor-based lameness evaluation system (Lameness Locator), as w...
Equine recurrent uveitis in western Canadian prairie provinces: A retrospective study (2002-2015). The objectives of this study were to determine the demographics of horses with equine recurrent uveitis (ERU) presenting to the Western College of Veterinary Medicine and to describe and compare the prognosis of ERU in the Appaloosa with that in other breeds. Horses diagnosed with ERU by a veterinary ophthalmologist between 2002 and 2015 were included. Eye lesions were classified as mild, moderate, or severe based on clinical manifestations. Breed, age, severity, blindness, and final outcome were evaluated. Thirty-two horses fit the inclusion criteria; 62.5% were Appaloosas. Mean age at presen...
Internal fixation of fractured ribs in neonatal foals with nylon cable tie using a modified technique. Nylon cable tie has been shown to be an effective and economical method for fixing fractured ribs in the neonatal foal. This article describes a modification of the previously described technique. Under general anesthesia, the fractured ribs were exposed and a hole was drilled in the dorsal and ventral fragments. The fracture was not reduced, leaving the fragments overriding each other. The nylon cable tie was passed through the hole in the dorsal fragment from the external surface of the rib. The free end of the cable tie was then passed through the hole in the ventral fragment from the exter...
Frontal and caudal maxillary sinus lipoma in a horse. An adult horse was diagnosed with a frontal and caudal maxillary sinus lipoma, which was surgically removed. This is the first known report of a sinus lipoma in a horse. Lipomas should be considered in the differential diagnoses of equine sinus masses; complete surgical excision appears to be curative. Un cheval adulte a été diagnostiqué avec un lipome du sinus maxillaire frontal et caudal qui a été enlevé par chirurgie. Il s’agit du premier rapport d’un lipome de sinus chez un cheval. Les lipomes devraient être considérés dans les diagnostics différentiels des masses des sinus ...
Complications and risk factors of castration with primary wound closure: Retrospective study in 159 horses. Castration with primary wound closure reportedly has lower complication rates and shorter recovery periods compared to castration with second intention healing. However, little is known about risk factors associated with complications using primary wound closure. Medical records of 159 horses castrated and having primary wound closure were reviewed. Main short-term complications were: scrotal hematoma in 12 horses (7.6%), signs of colic in 6 horses (3.8%), fever in 4 horses (2.5%), and peri-incisional edema in 3 horses (1.9%). As for long-term complications, 24 out of 105 (23%) horses sustaine...
Idiopathic glaucoma in an 11-year-old crossbred mare. An 11-year-old crossbred mare was presented with left eye buphthalmia, a mydriatic minimally responsive pupil, locally extensive ventral corneal edema, and corneal striae. Intraocular pressures exceeding 80 mmHg lead to a presumptive diagnosis of glaucoma. Following several days of treatment there was no improvement and enucleation was performed. Glaucome idiopathique chez une jument de race croisée âgée de 11 ans. Une jument de race croisée âgée de 11 ans a été présentée avec une buphtalmie de l’œil gauche, une pupille mydriatique minimalement réactive, un œdème cornéen ventr...
Femoral head ostectomy and medial patellar ligament desmotomy to treat a pregnant miniature horse with coxofemoral joint luxation and upward fixation of the patella. A 2-year-old, 8-weeks pregnant, non-weight bearing miniature horse mare was treated for a 6-day-old left coxofemoral joint luxation with a femoral head ostectomy. The procedure had no negative effects on pregnancy or parturition and 23 months following surgery the horse had minimal lameness. Une jument miniature non portante gravide de 8 semaines et âgée de 2 ans a été traitée pour une luxation de l’articulation coxofémorale gauche datant de 6 jours à l’aide d’une ostectomie de la tête fémorale. L’intervention n’a pas eu d’effets négatifs sur la gestation ou la parturiti...
Necrotizing hepatitis associated with Clostridium novyi in a pony in western Canada. Severe icterus, peritoneal effusion, localized fibrinous peritonitis, and necrotizing hepatitis were found at necropsy of a 20-year-old female pony with a history of acute onset depression, inappetence, fever, and marked elevation in hepatic enzymes. Gross pathology, histopathology, and immunohistochemistry were compatible with a diagnosis of clostridial hepatitis caused by Clostridium novyi-group bacteria. This is believed to be the first reported case of clostridial hepatitis in an equid in Canada, and only the third report of this rare disease in North America. Hépatite nécrosante associ...
Treatment of chronic sinusitis in a horse with systemic and intra-sinus antimicrobials. A 12-year-old Norwegian Fjord gelding was diagnosed with paranasal sinusitis as a post-operative complication of tooth repulsion surgery. The infection with inspissated purulent material persisted despite sinus trephination and lavage, and systemic antimicrobial therapy. Resolution occurred following infusion of a gelatin/penicillin mixture into the right rostral and caudal maxillary sinus. Une sinusite paranasale a été diagnostiquée chez un hongre Fjord âgé de 12 ans comme complication postopératoire d’une chirurgie pour la répulsion d’une dent. L’infection avec du matériel pur...
Repair of an acquired diaphragmatic hernia with surgical mesh in a foal. A foal born with assisted delivery developed rib fractures and a diaphragmatic hernia. The hernia was repaired using surgical mesh. The filly was healthy 42 months later. Dystocia is a risk factor for rib fractures and traumatic acquired diaphragmatic herniation. Surgical mesh repair is an option for diaphragmatic defects. Un poulain né lors d’une parturition assistée a développé des fractures des côtes et une hernie diaphragmatique. La hernie a été réparée à l’aide d’un treillis chirurgical. La pouliche était en santé 42 mois plus tard. La dystocie est un facteur de risque ...
Comparative efficacy of oral meloxicam and phenylbutazone in 2 experimental pain models in the horse. The efficacy of oral phenylbutazone [PBZ; 4.4 mg/kg body weight (BW), q12h], a non-selective non-steroidal anti-inflammatory drug (NSAID), and oral meloxicam (MXM; 0.6 mg/kg BW, q24h), a COX-2 selective NSAID, were evaluated in 2 experimental pain models in horses: the adjustable heart bar shoe (HBS) model, primarily representative of mechanical pain, and the lipopolysaccharide-induced synovitis (SYN) model, primarily representative of inflammatory pain. In the HBS model, PBZ reduced multiple indicators of pain compared with the placebo and MXM. Meloxicam did not reduce indicators of pain rela...
Successful foaling by a Standardbred mare with a ruptured prepubic tendon. A 12-year-old Standardbred mare was diagnosed with a ruptured prepubic tendon 1 month prepartum. The mare was treated with analgesia, stall rest, and an abdominal support wrap that was tightened daily. Both a live foal born 1 month later and the mare are doing well. Poulinage réussi par une jument Standardbred ayant une rupture du tendon prépubien. Un mois avant la parturition, une rupture du tendon prépubien a été diagnostiquée chez une jument Standardbred âgée de 12 ans. La jument a été traitée à l’aide d’analgésiques, d’un repos en stalles et d’un pansement de soutien r...
Clinical indications, complications, and long-term outcome of esophageal surgeries in 27 horses. The main objective of this retrospective study was to describe clinical findings, management, and short- and long-term outcome in 27 horses that underwent various surgical techniques for esophageal disease. Surgical techniques (sometimes concurrently) performed were: esophagostomy ( = 14), esophagotomy with primary closure ( = 6), esophagomyotomy ( = 3), and esophagoplasty ( = 2). Esophageal perforation in 5 horses was treated by ventral drainage; 3 horses had the esophageal defect sutured ( = 3). Feeding tubes were placed in 15 horses. Postoperative complications occurred in 52% (14/27) with ...
Hypertrophic osteopathy secondary to metastatic ovarian adenocarcinoma in a mare. A 10-year-old Andalusian mare was presented for evaluation of weight loss, increasing periods of recumbency, and swelling of the lower limbs. Radiographs revealed severe palisading to solid periosteal new bone formation in numerous locations. Necropsy revealed a metastatic malignant adenocarcinoma of ovarian origin with secondary hypertrophic osteopathy. Une jument d’Andalousie âgée de 10 ans a été présentée pour évaluation à la suite d’une perte de poids, de périodes croissantes de décubitus et d’enflure dans les membres inférieurs. Les radiographies ont révélé des lésio...
Incidence of post-anesthetic colic in non-fasted adult equine patients. The purpose of this study was to determine the incidence of post-anesthetic colic in non-fasted adult horses undergoing isoflurane inhalant anesthesia for an elective, non-abdominal procedure at a single referral center. Medical records were searched from May 1, 2012 to May 31, 2014. Inclusion criteria included non-fasted patients ≥ 2 years of age that were anesthetized for an elective, non-abdominal procedure. The incidence of post-anesthetic colic for this study population was 2.5%. None of the risk factors examined (season, age, gender, breed, surgeon, procedure, recumbency, butorphanol a...
Is Corynebacterium pseudotuberculosis infection (pigeon fever) in horses an emerging disease in western Canada? This report describes 5 horses in the southern Alberta region with typical and atypical external abscessation due to Corynebacterium pseudotuberculosis (pigeon fever). "Pigeon fever" has recently been diagnosed in new geographic regions in North America and should be kept as a differential diagnosis by practitioners when an external or internal abscess is identified in a horse. L’infection parCorynebacterium pseudotuberculosis(fièvre du pigeon) chez les chevaux est-elle une maladie émergente dans l’Ouest canadien? Ce rapport décrit cinq chevaux dans la région sud de l’Alberta atteint...
Acute myeloid leukemia with basophilic differentiation in a 3-year-old Standardbred gelding. A 3-year-old Standardbred gelding with a history of pyrexia, persistent hemorrhage from the oral cavity, and a large, soft swelling at the junction of the caudal aspect of the mandibular rami and proximal neck was evaluated. The horse had neutropenia and anemia, with atypical granulated cells in a blood smear. Additional tests confirmed acute myeloid leukemia with basophilic differentiation, which has been reported in humans, cats, dogs, and cattle but not horses. Nous avons évalué un hongre Standardbred âgé de 3 ans avec une anamnèse de pyrexie, d’hémorragie persistante de la cavité...
A cluster of trace-concentration methamphetamine identifications in racehorses associated with a methamphetamine-contaminated horse trailer: A report and analysis. Three low concentration methamphetamine "positive" tests were linked to use of a methamphetamine-contaminated trailer to transport the affected horses. This incident establishes methamphetamine as a human-use substance that can inadvertently enter the environment of racing horses, resulting in urinary methamphetamine "positives;" an interim regulatory cut-off of 15 ng/mL for methamphetamine in post-race urine is proposed. Trois tests «positifs» de faibles concentrations de méthamphétamine ont été associés à l’utilisation d’une remorque contaminée par les méthamphétamines qui é...
