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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 |
Investigation of a progressive facial deformity and stridor in an adult horse with a bone sequestrum and subsequent sinonasal abscess. Advanced diagnostic imaging and histopathological investigation were performed in an adult horse with chronic facial swelling due to a bone sequestrum and abscessation. In contrast to other cases, there were no draining tracts, difficulty eating, weight loss, head shaking, or fistula formation between the oral cavity and the maxillary sinus. Une investigation d’imagerie diagnostique avancée et un examen histopathologique ont été réalisés chez un cheval adulte présentant de l’enflure faciale chronique attribuable à un séquestre osseux et à une abcédation. Par contraste à d’aut...
Pelvic flexure enterotomy closure in the horse with a TA-90 stapling device: a retrospective clinical study of 84 cases (2001-2008). Our objective was to compare survival and complication rates of horses undergoing pelvic flexure enterotomy closure with a TA-90 stapler to those with hand-sewn closure. Medical records of horses undergoing pelvic flexure enterotomy between 2001 and 2008 were reviewed. History, clinical signs, surgical findings, surgical techniques, and post-operative complications were recorded. Long-term outcome was established by telephone questionnaire. Of 84 pelvic flexure enterotomies performed, 70 were stapled and 14 were hand-sewn. Seventy-seven horses survived to discharge (91.7%). There were no signi...
Anesthetic management of a horse with traumatic pneumothorax. A traumatic pneumothorax and severe hemorrhage were present in a mare with a large thoracic wall defect, lung perforation, and multiple rib fractures. General anesthesia was induced to allow surgical exploration. We describe the anesthetic technique, and discuss the management of the ventilatory, hemodynamic, and metabolic disturbances encountered. Gestion de l’anesthésie générale d’un cheval avec un pneumothorax d’origine traumatique. Nous décrivons le cas d’une jument présentée avec un important déficit de la paroi thoracique d’origine traumatique, une perforation pulmonaire...
Comparison of single layer staple closure versus double layer hand-sewn closure for equine pelvic flexure enterotomy. Our objective was to compare thoracoabdominal (TA Premium™ 90) stapled enterotomy closure to traditional hand-sewn closure, using time to perform the technique, luminal diameter, and bursting pressure in ex-vivo specimens. The pelvic flexures of 13 client-owned horses were harvested. Each pelvic flexure had 1 enterotomy performed; 6 were closed via staples, 7 closures were hand-sewn. Luminal diameter at the enterotomy site was assessed via contrast radiography performed pre-and post-enterotomy. Bursting pressure of the closure was assessed by continuous manometry during rapid infusion. Time ...
Perioperative risk factors for mortality and length of hospitalization in mares with dystocia undergoing general anesthesia: a retrospective study. This study investigated associations between perioperative factors and probability of death and length of hospitalization of mares with dystocia that survived following general anesthesia. Demographics and perioperative characteristics from 65 mares were reviewed retrospectively and used in a risk factor analysis. Mortality rate was 21.5% during the first 24 h post-anesthesia. The mean ± standard deviation number of days of hospitalization of surviving mares was 6.3 ± 5.4 d. Several factors were found in the univariable analysis to be significantly associated (P < 0.1) with increased prob...
Clinical outcome of collateral ligament injuries of the tarsus. The significance of collateral ligament desmitis of the tarsocrural joint is often clinically underestimated, because it is an uncommon injury with a guarded prognosis for athletic soundness. The objective of this study was to describe the clinical presentation, treatment, and outcome of 12 horses with collateral ligament desmitis, along with tarsocrural joint synovitis secondary to hemarthrosis. Criteria for inclusion in this study included clinical signs of tarsocrural joint synovitis and sonographic evidence of collateral ligament desmitis. This retrospective study evaluated horses over an ...
Intrathoracic pulsion diverticulum in a horse. This is a report of a 12-year-old Swedish Warmblood gelding with a ruptured esophageal pulsion diverticulum associated with atypical clinical signs of colic and septic peritonitis on presentation. The location of this diverticulum at the hiatus was unique and was most likely responsible for the unusual presentation of this horse. Diverticule de Zenker intrathoracique chez un cheval. Ceci est un rapport d’un hongre de race Swedish Warmblood âgé de 12 ans présentant un diverticule de Zenker perforé associé à des signes cliniques atypiques de coliques et de péritonite septique à la pré...
Ultrasonographic visualization of colonic mesenteric vasculature as an indicator of large colon right dorsal displacement or 180° volvulus (or both) in horses. Visualization of colonic mesenteric vasculature during transabdominal ultrasonographic examination of horses with colic can be a predictor of right dorsal displacement of the large colon or 180° large colon volvulus, or both. Medical records of 82 horses having had surgical treatment of colic and having received a transabdominal ultrasonographic examination on admission were reviewed. Colonic mesenteric vessels were sonographically identified coursing laterally on the right side of the abdomen in 24 of the 82 cases. Horses with colonic vessels identified on ultrasound were 32.5 times more lik...
Early experience with continuous positive airway pressure (CPAP) in 5 horses — a case series. This case series is the first report of the use of CPAP (continuous positive airway pressure) ventilation in adult horses. Two horses and 3 ponies anesthetized for orthopedic procedures in lateral recumbency received 10 cm H(2)O CPAP. During anesthesia, arterial oxygen partial pressure tended to increase and arterial carbon dioxide pressure tended to increase despite increased minute ventilation index. The measured cardiovascular parameters were within physiologic limits. Cette série de cas est le premier rapport sur l’utilisation de la ventilation spontanée en pression positive continue ...
Assessing fitness in endurance horses. A field test and a standardized treadmill test were used to assess fitness in endurance horses. These tests discriminated horses of different race levels: horses participating in races of 120 km and more showed higher values of VLA4 (velocity at which blood lactate reached 4 mmol/L) and V200 (velocity at which heart rates reached 200 beats per min) than horses of lower race levels. Un test sur le terrain et un test sur tapis roulant ont été utilisés pour évaluer la condition physique des chevaux d’endurance. Ces tests ont séparé les chevaux de différents niveaux de course : les cheva...
Healing of multiple fractured thoracic dorsal spinous processes in a Quarter horse. A Quarter horse gelding sustained fracture and displacement of spinous processes T2-T10. Radiographic evidence of healing was seen 3 mo following injury, and at 2 years post-injury all spinous processes had healed and undergone partial re-alignment. This re-alignment has not been reported before. Un hongre Quarter horse a subi une fracture et un déplacement des apophyses épineuses T2–T10. Les preuves radiographiques de la guérison ont été observées 3 mois après la blessure et 2 ans après la blessure toutes les apophyses épineuses avaient guéri et subi un réalignement partiel. Ce ...
Subclinical fungal endometritis in an 8-year-old Hanoverian mare. Clinical and subclinical endometritis are leading causes of reduced reproductive efficiency in the mare. Clinical endometritis is relatively easy to diagnose during routine physical and ultrasonographic reproductive examinations, whereas the diagnosis of subclinical endometritis requires a more detailed work-up. The goal of this paper is to review the various options, and describe the regimen chosen in a mare with subclinical fungal endometritis. Endométrite fongique subclinique chez une jument hanovrienne âgée de 8 ans. L’endométrite clinique et subclinique sont les principales causes d...
Removal of a nasogastric tube fragment from the stomach of a standing horse. An 82-cm fragment of nasogastric tube was removed from the stomach of an adult horse under standing sedation by use of an endoscope and electrocautery snare. This is the first report of successful non-surgical removal of a nasogastric tube fragment from the stomach of a horse. Un fragment de 82 cm d’un tube naso-gastrique a été enlevé de l’estomac d’un cheval adulte sous sédation se tenant debout en utilisant un endoscope et une anse de galvanocautérisation. Il s’agit du premier rapport de l’enlèvement non chirurgical d’un fragment de tube naso-gastrique de l’estomac d’u...
Ileal impaction and jejunal enterotomy in a 4-month-old Arabian filly. A 4-month-old Arabian filly was treated by surgical correction of an ileal impaction. The impaction was resolved through a distal jejunal enterotomy. One-year follow-up showed no post-operative complications secondary to the enterotomy. Jejunal enterotomy may be a surgical option for resolution of an ileal impaction. Une pouliche Arabe âgée de 4 mois a été traitée par la correction chirurgicale d’une surcharge iléale. La surcharge a été résolue par une entérotomie jéjunale distale. Un suivi d’un an n’a pas montré de complications postopératoires suite à l’entérotomie. L...
Presumed case of “stiff-horse syndrome” caused by decreased gamma-aminobutyric acid (GABA) production in an American Paint mare. Glutamic acid decarboxylase (GAD) converts glutamic acid into the inhibitory neurotransmitter γ-aminobutyric acid (GABA). Increased serum GAD (auto) antibody concentrations were found in a mare with increased postural musculature tone resulting in stiffness and recumbence. The mare was treated with dexamethasone which resulted in resolution of clinical signs and decreased GAD antibody concentrations. La glutamate décarboxylase (GAD) convertit l’acide glutamique en acide gamma-aminobutyrique (GABA), un inhibiteur des neurotransmetteurs. Des concentrations sériques accrues d’anticorps (a...
Blastomycotic osteomyelitis associated with severe lameness in a horse. A 12-year-old Quarter horse gelding was presented for evaluation of severe right forelimb lameness, 2 draining tracts over the lateral aspect of the right proximal antebrachium, and weight loss. A presumptive diagnosis of blastomycotic osteomyelitis was established based on radiographs and cytology of the exudate. This diagnosis was confirmed at necropsy. Un hongre Quarter horse âgé de 12 ans a été présenté avec une boiterie grave du membre antérieur droit, 2 faisceaux de drainage sur l’aspect latéral de l’avant-bras droit proximal et une perte de poids. Un diagnostic par infér...
Mycotic encephalitis, sinus osteomyelitis, and guttural pouch mycosis in a 3-year-old Arabian colt. Mycotic encephalitis caused severe ataxia and other neurologic deficits in a horse. The finding of a single, large focus of cerebral malacia, with histopathologic evidence of fungal elements, suggested infection was a result of direct transfer from the frontal sinuses, rather than hematogenous spread from the guttural pouch. Une encéphalite mycotique a causé une ataxie grave et d’autres déficits neurologiques chez un cheval. La découverte d’un grand foyer unique de malacie cérébrale avec une preuve histopathologique d’éléments fongiques a suggéré que l’infection était un tr...
Palatal sclerotherapy for the treatment of intermittent dorsal displacement of the soft palate in 51 standardbred racehorses. This retrospective study evaluated the efficacy and side effects of palatal sclerotherapy in standardbred racehorses suspected to have intermittent dorsal displacement of the soft palate (IDDSP). Fifty-one horses were treated with multiple endoscopically guided injections of 3% sodium tetradecyl sulfate in the soft palate. Two groups were identified: those that had respiratory noises during exercise (n = 27) and those that did not (n = 24). Treatment was well-tolerated. Furthermore, horses significantly reduced their racing times for the last 400 m compared with their times before treatment an...
Rib fracture in a horse during an endurance race. We describe a fatal case, in which a horse suffered a fall and as a consequence, rib fractures. Diagnosis was made postmortem and the horse died without showing clear signs of respiratory dysfunction. The retrospective reports of injuries can be important to reduce these traumatic events and to avoid fatalities. Nous décrivons un cas mortel, chez un cheval ayant subi une chute qui a causé des fractures des côtes. Un diagnostic a été posé à l’autopsie et le cheval est mort sans avoir montré de symptômes évidents de troubles respiratoires. Les rapports rétrospectifs de blessures pe...
[Comparison of the effects of xylazine and romifidine administered perioperatively on the recovery of anesthetized horses]. Comparison of the effects of xylazine and romifidine administered perioperatively on the recovery of anesthetized horses. The present study was designed to compare recoveries from anesthesia following the use of romifidine or xylazine in horses. In a prospective blind randomized clinical trial, 28 horses, undergoing elective arthroscopy, were randomly allocated into 2 groups. The intravenous anesthesia protocol used in the xylazine group was: butorphanol [0.02 mg/kg body weight (BW)] and xylazine (0.5 to 0.7 mg/kg BW) for premedication, diazepam (0.1 mg/kg BW) and ketamine (2.2 mg/kg BW) for i...
Small intestinal strangulation caused by a mesodiverticular band and diverticulum on the mesenteric border of the small intestine in a horse. A 4-year-old Quarter horse stallion was presented for acute abdominal pain. Exploratory celiotomy revealed a mesenteric diverticulum of the jejunum and mesodiverticular band that were associated with small intestinal strangulation. Resection and anastomosis were performed. A second celiotomy was performed due to adhesions. The horse recovered completely and returned to training. Un étalon Quarter horse âgé de 4 ans a été présenté pour une douleur abdominale aiguë. Une laparatomie exploratoire a révélé un diverticule mésentérique du jéjunum et une bande mésodiverticulaire qui on...
Septic peritonitis and uroperitoneum secondary to subclinical omphalitis and concurrent necrotizing cystitis in a colt. A 15-day-old American Quarter horse colt was presented for depression and pyrexia. Peritonitis was diagnosed following peritoneal fluid analysis. Exploratory laparotomy revealed an area of focal necrosis over the dorsal wall of the urinary bladder leading to peritonitis and uroperitoneum. The affected area of the urinary bladder was resected and the peritonitis resolved with medical treatment. Péritonite et uropéritoine septiques secondaires à une omphalite subclinique et à une cystite nécrosante concomitante chez un poulain. Un poulain American Quarter Horse âgé de 15 jours a été pr...
Ileal impaction in 245 horses: 1995-2007. The objective of this study was to identify parameters that would assist in determining the probability of a successful outcome with medical management versus surgical intervention in horses with ileal impaction. Medical records of 245 horses admitted for ileal impaction were reviewed and placed into 2 groups: medical (med) and surgical (sx) treatment. Persistence of abdominal pain, gastric reflux, frequency of analgesic administration, and 1-year survival were evaluated. There were no differences in signalment, abdominal pain, or heart rate among groups; however, significantly more sx horses ...
Costochondral junction osteomyelitis in 3 septic foals. The costochondral junction constitutes a potential site of infection in septic foals and it could be favored by thoracic trauma. Standard radiographs and ultrasonography are useful tools for diagnosis of this condition and ultrasound-guided needle aspiration could permit the definitive confirmation of infection. La jonction costochondrale constitue un site potentiel d’infection chez le poulain septicémique et le développement de l’infection pourrait être favorisée par un traumatisme costal. Les radiographies standards et l’échographie sont des aides diagnostiques et l’aspiration ...
Esophageal laceration and obstruction caused by a foreign body in 2 young foals. This report describes 2 foals with esophageal laceration due to ingestion of foreign bodies. Endoscopic examination of the esophagus revealed full thickness esophageal laceration in 1 colt and partial thickness laceration of the esophagus in the other. The esophageal obstruction was relieved by repetitive esophageal lavages and flush under general anesthesia in both foals. Lacération et obstruction œsophagiennes causées par un corps étranger chez deux jeunes poulains âgés de moins de 1 an. Ce rapport décrit deux poulains âgés de moins de 1 an souffrant d’une lacération œsophagienn...
Trauma resulting in hemarthrosis and long medial collateral ligament desmitis of the tarsocrural joint in a horse. A horse was initially diagnosed with hemarthrosis and desmitis of the long medial collateral ligament of the right tarsus and later developed prominent enthesiophytosis at the site of insertion of the ligament's deep portion. Hemarthrosis due to intra- or peri-articular pathology can cause recurrent lameness, even without evident external trauma. Un cheval a été initialement diagnostiqué avec de l’hémarthrose et une desmite du ligament deltoïdien latéral long du tarse droit et a ultérieurement développé de l’enthésiophytose proéminente au site de l’insertion de la portion pro...
Insulin-dependent diabetes mellitus associated with presumed autoimmune polyendocrine syndrome in a mare. A 5-year-old Thoroughbred-cross mare was diagnosed with insulin-dependent diabetes mellitus. Partial glycemic control and clinical improvement were achieved with daily insulin administration for 18 mo. The mare subsequently developed evidence of hypoadrenocorticism and died. Necropsy findings included lymphocytic infiltration of the pancreas, adrenal cortex, adrenal medulla, and thyroid glands, suggestive of an immune-mediated polyendocrinopathy. Une jument Thoroughbred croisée âgée de 5 ans a été diagnostiquée avec le diabète insulino-dépendant. Le contrôle glycémique partiel et l...
Granulocytic anaplasmosis in a horse from Nova Scotia caused by infection with Anaplasma phagocytophilum. A 16-year-old Paint stallion was presented with intermittent fever, inappetance, lethargy, icterus, distal limb edema, and submandibular lymphadenopathy. The horse was native to Nova Scotia and had never left that province. Morulae were detected in granulocytes. Ananaplasma phagocytophilum infection was confirmed by serology and polymerase chain reaction (PCR). The horse responded to treatment with oxytetracycline. Anaplasmose granulocytaire chez un cheval de la Nouvelle-Écosse causée par une infection par Anaplasma phagocytophilum. Un étalon Paint âgé de 16 ans a été présenté avec un...
