References of "Amory, Hélène"
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See detailA case of periarticular abcess and suppurative arthritis of the atlanto-occipital joint
Van Galen, Gaby ULg; Lopez, Diego; Sandersen, Charlotte ULg et al

Poster (2006, August)

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See detailFully automated heart rate variability assessment in dairy cows
Janda, Jozef; Guyot, Hugues ULg; Sandersen, Charlotte ULg et al

in Acta Physiologica (2006, May), 187(Suppl 651), -16

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See detailEquine Piroplasmosis in Belgium: a retrospective study.
Delguste, Catherine ULg; Mantran, A.; Sandersen, Charlotte ULg et al

Poster (2006, January)

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See detailHorses on pasture may be affected by equine motor neuron disease
McGorum, B. C.; Mayhew, I. G.; Amory, Hélène ULg et al

in Equine Veterinary Journal (2006), 38(1), 47-51

Reasons for performing study: Equine motor neuron disease (EMND) was diagnosed in 3 horses maintained on lush, grass-based pasture. This contrasted with North American studies which identified limited or ... [more ▼]

Reasons for performing study: Equine motor neuron disease (EMND) was diagnosed in 3 horses maintained on lush, grass-based pasture. This contrasted with North American studies which identified limited or no access to green herbage as an important risk factor for EMND. Hypothesis: Grazing horses that have an apparently adequate intake of pasture herbage to meet normal equine vitamin E requirements can develop EMND. Methods: Owners of 32 European horses diagnosed with EMND completed a questionnaire regarding intrinsic, managemental, nutritional and environmental factors that could potentially be risk factors for EMND, and also regarding clinical signs, treatments and case outcome. Plasma/serum vitamin E data for these horses were supplied by the veterinarians. No control population was studied. Results: Thirteen of 32 horses (termed the 'grazing' group) had part- or full-time access to grass-based pasture at the onset of EMND (median duration at pasture 12 h/day, range 3-24 h). Five of these horses were at pasture for at least 23.5 h/day at the onset of EMND, 2 of which were at pasture for at least 23.5 h/day throughout the year. Despite grazing, all these horses had a low vitamin E status. The remaining 19 horses resembled those cases reported from North America, in that they had no or limited access to pasture. Conclusions and potential relevance: A diagnosis of EMND should not be discounted on the basis that a horse has access, even full-time, to lush grass-based pasture. Inadequate vitamin E intake was probably not the sole cause of either the EMND or the low vitamin E status in the grazing horses; the latter was probably the result of abnormal bioavailability or excessive utilisation of vitamin E. [less ▲]

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See detailExercise and pharmacological stress echocardiography in healthy horses
Sandersen, Charlotte ULg; Detilleux, Johann ULg; Art, Tatiana ULg et al

in Equine Veterinary Journal. Supplement (2006), 37

REASONS FOR PERFORMING STUDY: Stress echocardiography could be a useful diagnostic test in horses suspected to suffer from exercise-induced myocardial dysfunction as a cause of exercise intolerance ... [more ▼]

REASONS FOR PERFORMING STUDY: Stress echocardiography could be a useful diagnostic test in horses suspected to suffer from exercise-induced myocardial dysfunction as a cause of exercise intolerance. OBJECTIVE: To evaluate the effect of treadmill exercise and pharmacological stress test on left ventricular echocardiographic parameters. METHODS: Echocardiography was performed in 2 groups of 5 healthy horses, either immediately after a near-maximal treadmill exercise (Group EXE) or during a pharmacological challenge (Group DOB) consisting of 35 microg/kg atropine, followed by incremental dobutamine infusion rates of 2-6 microg/kg bwt/min for 5 min duration each, which led to a cumulative dobutamine dose of 100 microg/kg. Left ventricular M-mode parameters were compared at rest and at heart rates of 80, 100, 110, 120 130, and 140 beats/min, within each group. RESULTS: In 2 horses of Group EXE, echocardiographic measurements were impossible at 140 and 130 beats/min, as their heart rates dropped too fast in the immediate post exercise period. In the remaining 3 horses image quality was not always satisfactory at heart rates of 130 and 140 beats/min. Systolic left ventricular parameters and fractional shortening measured at 130 and 140 beats/min were significantly different from values obtained at lower heart rates. Horses in Group DOB reached expected heart rates of 80 and 100 beats/min, after the administration of atropine and during a dobutamine infusion rate of 2 microg/kg bwt/min, respectively. Heart rates targets of 110, 120, 130, and 140 beats/min were reached at mean (+/- s.d.) dobutamine infusion rates of 2.8 +/- 0.4, 3.2 +/- 0.4, 4.0 +/- 0.7, 5 +/- 0.7 microg/kg bwt/min, respectively. Systolic left ventricular parameters and fractional shortening at heart rates of 110, 120, 130, and 140 beats/min, were significantly different from values obtained at lower heart rates. CONCLUSION: The pharmacological stress test induced changes in ventricular dimensions at heart rates of 80 to 140 beats/min. Using this test, high quality images can easily be obtained at heart rates of 140 beats/min. Conversely, in post exercise echocardiography, obtaining good quality images at heart rates of 130 and 140 beats/min is difficult, which limits use of the technique in routine clinical settings. POTENTIAL RELEVANCE: Further studies should demonstrate the potential of pharmacological stress test as a diagnostic tool in horses suffering from exercise-induced myocardial dysfunction. [less ▲]

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See detailAnalyse de sang : interprétation de l’hématologie et de la biochimie de routine
Amory, Hélène ULg

in In Proceedings of the 23th Annual Congress of the Belgian Equine Practitioners Society (BEPS) (2006)

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See detailEquine oesophageal obstruction : a retrospective study on 143 cases
Seguin, A; Peters, F; Lopez, D et al

in Proceedings of the 45th Congress of the British Equine Veterinary Association (2006)

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See detailCardiac pumping reserve measured in healthy horses using a dobutamine stress test
Sandersen, Charlotte ULg; Detilleux, Johann ULg; Art, Tatiana ULg et al

in Proceedings of the 45th Congress of the British Equine Veterinary Association (2006)

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See detailExercise and pharmacological echocardiography stress in healthy horses
Sandersen, Charlotte ULg; Detilleux, Johann ULg; Art, Tatiana ULg et al

in Proceedings of the 7th ICEEP (Equine veterinary supplement 206, 36:159-162) (2006)

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See detailStress echocardiography – a review
Sandersen, Charlotte ULg; Amory, Hélène ULg

in Proceedings of the Progress in Equine Sports Medicine (ESPOM) (2006)

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See detailEvaluation of systolic function in calves by Doppler echocardiography: preliminary results
Brihoum, M; Rollin, Frédéric ULg; Desmecht, Daniel ULg et al

in Proceedings of the XXIVth World Buiatrics Congress (2006)

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See detailWhat did we recently learned on and from equine Doppler echocardiography ?
Amory, Hélène ULg; Pirard, L; Sandersen, Charlotte ULg

in Proceedings of the Resident Meeting of the European College of Equine Internal medicine (ECEIM) (2006)

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See detailPasteurella Multocida isolation in a horse with retropharyngeal infection
Amory, Hélène ULg; Jean, D.; Leveille, R. et al

in Journal of Equine Veterinary Science (2006), 26(8), 364-369

Retropharyngeal infections in horses normally induce local painful swelling of the retropharyngeal area, which may lead to dyspnea, dysphagia, and systemic manifestations. Differential diagnosis of local ... [more ▼]

Retropharyngeal infections in horses normally induce local painful swelling of the retropharyngeal area, which may lead to dyspnea, dysphagia, and systemic manifestations. Differential diagnosis of local painful swelling of the retropharyngeal area includes retropharyngeal lymph node infection, neoplasm, cellulitis, hematoma, guttural pouch empyema, parotiditis, and jugular thrombosis. Apart from Streptococcus equi ssp. equi, other bacteria are rarely reported as a cause of retropharyngeal abscesses. The reason for this might be a lack of specific sampling to identify the causative agent. This work deals with a case of retropharyngeal infection in an 11-year-old Standardbred stallion with acute depression, fever, tachycardia, asymmetric painful swelling in the throat area, ptyalism, and respiratory distress. Endoscopy, radiography, ultrasonography, blood analysis, and cytological examination of a puncture sample taken from the throat mass were consistent with a pyogenic to pyogranulomatous retropharyngeal inflammation. The clinical evolution was initially satisfactory in response to treatment with nonsteroidal antiinflammatory drugs and antibiotics, but clinical signs relapsed twice, each time a few weeks after cessation of antibiotic therapy. The bacteriologic finding in this case was unusual and consisted of the isolation of a Pasteurella multocida strain that was obtained after the second relapse (ie, 79 days after initial admission), using a brain heart infusion (BHI) medium, and after two successive negative bacteriological cultures performed on day one of clinical signs and at the first relapse of clinical signs, respectively. [less ▲]

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See detailPharmacological effects of tiludronate in horses after immobilisation
Delguste, Catherine ULg; Lepage, Olivier M; Doucet, Michèle et al

Poster (2006)

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See detailEffect of atropine-dobutamine stress test on left ventricular echocardio graphic parameters in untrained warmblood horses
Sandersen, Charlotte ULg; Detilleux, Johann ULg; De Moffarts, Brieux et al

in Journal of Veterinary Internal Medicine (2006)

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See detailTransient complete atrioventricular block following transvenous electrical cardioversion of atrial fibrillation in a horse
van Loon, G.; De Clercq, D.; Tavernier, R. et al

in Veterinary Journal (2005), 170(1), 124-127

Transvenous electrical cardioversion was attempted in a horse with drug refractory atrial fibrillation. A temporary pacing catheter and two defibrillation catheters were inserted transvenously into the ... [more ▼]

Transvenous electrical cardioversion was attempted in a horse with drug refractory atrial fibrillation. A temporary pacing catheter and two defibrillation catheters were inserted transvenously into the right ventricular apex, the right atrium and the pulmonary artery, respectively. Under general anaesthesia 100, 200, 300 and 360 J monophasic shocks were delivered between both defibrillation catheters but sinus rhythm could not be restored. Immediately after the 200, 300 and 360 J shock, transient third-degree atrioventricular block occurred for a period of, respectively, 15, 40 and 55 s. These periods of profound bradycardia were corrected by temporary right ventricular pacing until spontaneous conduction resumed. It is concluded that temporary right ventricular pacing should be available during electrical cardioversion of atrial fibrillation in horses. (c) 2004 Elsevier Ltd. All rights reserved. [less ▲]

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See detailSerum osteocalcin and CTX-MMP concentration in young exercising thoroughbred racehorses
Carstanjen, B.; Amory, Hélène ULg; Sulon, Joseph ULg et al

in Journal of Veterinary Medicine. A, Physiology, Pathology, Clinical Medicine (2005), 52(3), 114-120

Bone responds to exercise with changes in bone (re-)modelling, which might be monitored non-invasively with biochemical bone markers. The aim of this study was to evaluate the influence of exercise on ... [more ▼]

Bone responds to exercise with changes in bone (re-)modelling, which might be monitored non-invasively with biochemical bone markers. The aim of this study was to evaluate the influence of exercise on serum osteocalcin and serum carboxy-terminal cross-linked telopeptide of type I collagen generated by matrix metalloproteinases (CTX-MMP) concentration in young racehorses. Seventy-one 2 to 4-year-old Thoroughbreds were included in this prospective infield study. Blood sampling was performed six times (i.e. six sampling cycles) during a 9-month period. Serum samples were analysed with commercial osteocalcin and CTX-MMP radioimmunoassays. Two-year-old racehorses had higher serum osteocalcin and CTX-MMP values than 3-year-old horses. Gender and training amplitude did not significantly influence serum osteocalcin and CTX-MMP values. Two-year-old horses showed an increase in osteocalcin values between cycles 2 and 3 and an increase in serum CTX-MMP values between cycles 1 and 2. Serum osteocalcin and CTX-MMP concentrations decreased between cycles 4 and 5, and 5 and 6. Three-year-old horses showed an increase in serum osteocalcin levels between cycles 3 and 4 and an increase in serum CTX-MMP concentrations between cycles 1 and 2, and 3 and 4. Serum osteocalcin levels decreased between cycles 5 and 6, whereas serum CTX-MMP levels decreased between cycles 4 and 5, and 5 and 6. Two- and three-year-old horses showed a decreased osteocalcin/CTX-MMP ratio between cycles 1 and 2. Moreover, 2-year-old horses showed an increase in the osteocalcin/CTX-MMP ratio between cycles 2 and 3. Sore shin formation did not significantly influence serum osteocalcin and CTX-MMP values. Serum osteocalcin and CTX-MMP are promising bone markers for monitoring exercise induced changes in equine bone metabolism. [less ▲]

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See detailEpidemiology of atypical myopathy: descriptive phase
Votion, Dominique ULg; Linden, Annick ULg; Desmecht, Daniel ULg et al

in In Proceeding: First Scientific Symposium of the European College of Equine Internal Medicine (ECEIM) (2005, January)

Atypical myopathy (AM) in grazing horses is a frequently fatal condition that has been reported in several European countries. In Belgium, since autumn 2000, AM was confirmed in 39 equids based on ... [more ▼]

Atypical myopathy (AM) in grazing horses is a frequently fatal condition that has been reported in several European countries. In Belgium, since autumn 2000, AM was confirmed in 39 equids based on characteristic histological lesions in postural and respiratory muscles. This study describes the history, clinical signs and biochemical changes associated with AM in these confirmed cases. [less ▲]

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See detailDoes Acepromazine reduce the cardiovascular toxicity of Norepinephrine in the horse
Péters, P; Pequito, M; Sandersen, Charlotte ULg et al

in Proceedings of the Congress of Veterinary Anesthesia (2005)

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