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Equine Veterinary Journal

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https://www.readbyqxmd.com/read/28437035/the-association-between-oral-examination-findings-and-the-computed-tomographic-appearance-of-the-equine-temporomandibular-joint
#1
J L Carmalt, H Simhofer, A Bienert-Zeit, J E Rawlinson, C L Waldner
BACKGROUND: The temporomandibular joint (TMJ) forms the junction between the maxilla and mandible. Movement of the jaw and resulting masticatory forces have been extensively studied in the horse; however, less is known about the inter-relationship between this joint and oral and dental pathology. OBJECTIVES: To determine the association between specific oral and dental pathologies and anatomical variations of the TMJ imaged with computed tomography (CT) in horses with asymptomatic TMJs...
April 24, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28432750/effect-of-feeding-two-rrr-alpha-tocopherol-formulations-on-serum-cerebrospinal-fluid-and-muscle-alpha-tocopherol-concentrations-in-horses-with-subclinical-vitamin-e-deficiency
#2
J C Brown, S J Valberg, M Hogg, C J Finno
BACKGROUND: Alpha tocopherol (α-TP) supplementation is recommended for the prevention of various equine neuromuscular disorders. Formulations available include RRR-α-TP acetate powder and a more expensive but rapidly water-dispersible liquid RRR-α-TP (WD α-TP). A cost-effective means to rapidly increase serum and CSF α-TP with WD-α-TP and then sustain concentrations with RRR-α-TP acetate has not been reported. OBJECTIVES: To evaluate serum, CSF and muscle α-TP concentrations in an 8-week dosing regimen where horses were transitioned from WD RRR-α-TP to RRR-α-TP acetate...
April 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28432741/pharmacokinetic-and-pharmacodynamic-effects-of-two-omeprazole-formulations-on-stomach-ph-and-gastric-ulcer-scores
#3
S Raidal, F M Andrews, S G Nielsen, G Trope
REASONS FOR PERFORMING THE STUDY: Limited data are available on the relative pharmacokinetics and pharmacodynamics of different omeprazole formulations. OBJECTIVES: To compare pharmacokinetic and pharmacodynamic effects of a novel omeprazole formulation against a currently registered product. STUDY DESIGN: Masked two period, two treatment crossover. METHODS: Twelve clinically healthy horses were studied over two 6-day treatment periods...
April 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28432739/effect-of-a-4-week-elastic-resistance-band-training-regimen-on-back-kinematics-in-horses-trotting-in-hand-and-on-the-lunge
#4
T Pfau, V Simons, N Rombach, N Stubbs, R Weller
REASONS FOR PERFORMING STUDY: Training and rehabilitation techniques aiming at improving core muscle strength may result in increased dynamic stability of the equine vertebral column. A system of elastic resistance bands is suggested to provide proprioceptive feedback during motion to encourage recruitment of core abdominal and hindquarter musculature for improved dynamic stability. OBJECTIVES: To quantify the effects of a specific resistance band system on back kinematics during trot in-hand and during lungeing at beginning and end of a 4-week exercise programme...
April 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28407291/use-of-contrast-media-in-computed-tomography-and-magnetic-resonance-imaging-in-horses-techniques-adverse-events-and-opportunities
#5
REVIEW
B B Nelson, L R Goodrich, M F Barrett, M W Grinstaff, C E Kawcak
The use of contrast media in computed tomography (CT) and magnetic resonance imaging (MRI) is increasing in horses. These contrast-enhanced imaging techniques provide improved tissue delineation and evaluation thereby expanding diagnostic capabilities. While generally considered safe, not all contrast media exhibit the same safety profiles. The safety of contrast media use and descriptions of adverse events occurring in horses are sparsely reported. This review summarises the reported evidence of contrast media use and adverse events that occur in horses, with added contribution from other veterinary species and human studies for comparison...
April 13, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28397996/preliminary-investigations-into-a-novel-long-acting-injectable-intra-muscular-formulation-of-omeprazole-in-the-horse
#6
B W Sykes, K Kathawala, Y Song, S Garg, S W Page, C Underwood, P C Mills
REASONS FOR PERFORMING STUDY: Pilot investigations have suggested that a novel, long-acting, injectable, intra-muscular formulation of omeprazole (LA-OMEP) can induce acid suppression for up to 7 days following a single injection. OBJECTIVES: To investigate the pharmacodynamics and assess the clinical efficacy of the LA-OMEP formulation. STUDY DESIGN: Part A) A pharmacodynamic study; Part B) A pilot clinical trial. METHODS: Part A) Six adult, Thoroughbred horses with percutaneous gastrotomy tubes were used...
April 11, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28391631/estimates-of-heritability-of-atrial-fibrillation-in-the-standardbred-racehorse
#7
M Kraus, P W Physick-Sheard, L F Brito, F S Schenkel
BACKGROUND: The number of Standardbred racehorses admitted to the Ontario Veterinary College Teaching Hospital (OVCTH, Guelph, Canada) for treatment of atrial fibrillation (AF) has been on the rise since the early 1990s. A small number of sires have been contributing to a large proportion of cases, indicating there may be a genetic predisposition to the arrhythmia in this breed. OBJECTIVES: The objectives of this study were to determine the heritability of AF in Standardbred horses and whether heritability of the arrhythmia differs across gaits and/or sexes...
April 9, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28323361/heart-rate-variability-parameters-in-horses-distinguish-atrial-fibrillation-from-sinus-rhythm-before-and-after-successful-electrical-cardioversion
#8
B Broux, D De Clercq, A Decloedt, S Ven, L Vera, G van Steenkiste, K Mitchell, C Schwarzwald, G van Loon
BACKGROUND: Atrial fibrillation (AF) is the most common pathological arrhythmia in horses. After successful treatment, recurrence is common. Heart rate monitors are easily applicable in horses and some devices offer basic heart rate variability (HRV) calculations. If HRV can be used to distinguish between AF and sinus rhythm (SR), this could become a monitoring tool for horses at risk for recurrence of AF. OBJECTIVES: The purpose of this study was to assess whether in horses AF (before cardioversion) and SR (after cardioversion) can be differentiated based upon HRV parameters...
March 21, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28323357/characterisation-of-clotting-factors-anticoagulant-protein-activities-and-viscoelastic-analysis-in-healthy-donkeys
#9
A Perez-Ecija, F J Mendoza
BACKGROUND: Studies have demonstrated differences in commonly measured hemostatic parameters between donkeys and horses. Whether clotting factors, anticoagulant protein activities and thromboelastography parameters also differ between species is still unknown. OBJECTIVES: To characterize hemostatic parameters in healthy donkeys and compare them to those of horses. STUDY DESIGN: Cross-sectional study. METHODS: Clotting Factors (V, VII, VIII, IX, X, XI and XII), and antithrombin III, Protein C and Protein S activities were measured in 80 healthy Andalusian and crossbred donkeys and 40 healthy Andalusian crossbred horses with assays based on human deficient plasmas...
March 21, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28321895/the-role-of-leptospira-spp-in-horses-affected-with-recurrent-uveitis-in-the-uk
#10
F Malalana, R J Blundell, G L Pinchbeck, C M McGowan
BACKGROUND: Equine Recurrent Uveitis (ERU) is a common cause of ocular pain and blindness in horses. Leptospira spp. have commonly been implicated in the pathophysiology of ERU in mainland Europe and USA. No recent studies have been carried out in the UK but it is reported that Leptospira is not a major factor in the aetiology of ERU in the UK. OBJECTIVES: to establish the prevalence of Leptospira-associated ERU in the UK and identify the serovars involved in these cases in the UK; compare serum versus aqueous humour antibody levels in cases and controls in order to confirm the diagnosis of Leptospira-associated ERU; and assess the usefulness of serology alone as a confirmatory test for Leptospira-associated ERU in the UK...
March 20, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28295560/castration-in-the-standing-horse-combining-laparoscopic-and-conventional-techniques
#11
A B M Rijkenhuizen, M R van der Harst
BACKGROUND: Standing laparoscopic castration without orchidectomy has been shown to be a reliable method of castration in animals with abdominal cryptorchidism, but it cannot be recommended as a method of castration in those with inguinal cryptorchidism or normal males. An alternative laparoscopic method for the castration of horses with descended testes was developed. OBJECTIVES: To report the results of laparoscopy-assisted abdominal transection of the spermatic cord and a modified open method in the standing horse for castration of descended testes in unilateral abdominal cryptorchids...
March 12, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28295526/pharmacological-treatments-in-asthma-affected-horses-a-pair-wise-and-network-meta-analysis
#12
L Calzetta, P Roncada, D di Cave, L Bonizzi, A Urbani, E Pistocchini, P Rogliani, M G Matera
BACKGROUND: Equine asthma is a disease characterised by reversible airflow obstruction, bronchial hyperresponsiveness and airway inflammation following exposure of susceptible horses to specific airborne agents. Although clinical remission can be achieved in a low-airborne dust environment, repeated exacerbations may lead to irreversible airway remodelling. The available data on the pharmacotherapy of equine asthma results from several small studies, and no head-to-head clinical trials have been conducted among the available medications...
March 10, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28238211/effects-of-clarithromycin-azithromycin-and-rifampicin-on-terbutaline-induced-sweating-in-foals
#13
A L Stieler Stewart, L C Sanchez, M F Mallicote, A L Muniz, M S Westerterp, J A Burrow, R J MacKAY
BACKGROUND: Erythromycin (ERY) induces anhidrosis in foals. Azithromycin (AZI) and clarithromycin (CLA), often combined with rifampicin (RIF), are commonly used to treat Rhodococcus equi infections, but effects on sweating have not been investigated. OBJECTIVE: To determine the effects of AZI, CLA and RIF on sweat responses in normal foals. STUDY DESIGN: Each experiment was a blinded, duplicated, six foal × three period counterbalanced within subjects design (12 foals/experiment)...
February 26, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28235142/description-of-veterinary-events-and-risk-factors-for-fatality-in-national-hunt-flat-racing-thoroughbreds-in-great-britain-2000-2013
#14
S E Allen, S M Rosanowski, A J Stirk, K L P Verheyen
BACKGROUND: No large-scale studies have described veterinary events occurring in National Hunt flat (NHF) racing or investigated risk factors for fatality in this race type. OBJECTIVES: To describe injuries and conditions requiring veterinary attendance on race-day and to determine risk factors for racehorse fatality in NHF racing in Great Britain. STUDY DESIGN: Retrospective cohort study (2000-2013). METHODS: Information from all NHF races held over the study period, including horse, race and veterinary event report details, was combined...
February 24, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28224670/genomics-and-genetics-a-daily-double-for-the-horse-industry
#15
EDITORIAL
M F Rothschild
No abstract text is available yet for this article.
February 22, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28132404/right-ventricular-function-during-acute-exacerbation-of-severe-equine-asthma
#16
A Decloedt, H Borowicz, M Slowikowska, K Chiers, G van Loon, A Niedzwiedz
BACKGROUND: Pulmonary hypertension has been described in horses with severe equine asthma but its effect on the right ventricle has not been fully elucidated. OBJECTIVES: To evaluate right ventricular structure and function after a one-week period of pulmonary hypertension secondary to acute exacerbation of severe equine asthma. STUDY DESIGN: Prospective study. METHODS: A clinical episode of severe equine asthma was induced experimentally in six susceptible horses...
January 28, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28387030/science-in-brief-clinical-highlights-from-50th-congress-of-the-south-african-equine-veterinary-association-2017
#17
EDITORIAL
S M Miller, K E Spargo
No abstract text is available yet for this article.
May 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28387029/science-in-brief-equine-asthma-diagnosis-beyond-bronchoalveolar-lavage-cytology
#18
EDITORIAL
M Bullone, J-P Lavoie
No abstract text is available yet for this article.
May 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/27296204/objective-assessment-of-gait-in-xylazine-induced-ataxic-horses
#19
Y S Nout-Lomas, K M Page, H G Kang, M E Aanstoos, H M Greene
BACKGROUND: There is poor agreement between observers of equine neurological gait abnormalities using the modified Mayhew grading scale. OBJECTIVES: To stimulate a dose-dependent ataxia in horses through xylazine administration and identify quantifiable relevant gait parameters. STUDY DESIGN: Balanced, randomised, 2-way crossover design. METHODS: Eight horses were assessed before and after administration of xylazine (low dose and high dose)...
May 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/27289022/measurement-of-distal-limb-sub-bandage-pressure-over-96-hours-in-horses
#20
N C Canada, W L Beard, M E Guyan, B J White
REASONS FOR PERFORMING STUDY: Currently, there is no objective information quantifying pressures exerted by distal limb bandages. OBJECTIVES: To quantify the pressure exerted by each compression layer, a polo wrap (DLP), a compression bandage (DLC), and to measure the effect of time on sub-bandage pressure. STUDY DESIGN: Longitudinal observational experiment. METHODS: A DLC construct included a cotton roll compressed with brown gauze and elastic layers and the DLP construct included a pillow pad compressed by a cloth wrap...
May 2017: Equine Veterinary Journal
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