References of "van Erck, Emmanuelle"
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See detailAssessing fitness in endurance horses
Fraipont, Audrey ULg; Van Erck, Emmanuelle; Ramery, Eve ULg et al

in Canadian Veterinary Journal = Revue Vétérinaire Canadienne (2012), 53

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 120km and more ... [more ▼]

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 120km and more showed higher values of VLA4 (velocity at which blood lactate reached 4 mmol/L) and V200 (velocities at which heart rates reached 200 beats per min) than horses of lower race levels. [less ▲]

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See detailMesure de la respiration musculaire par respirométrie à haute résolution
Votion, Dominique ULg; Fraipont, Audrey ULg; Robert, Céline et al

in Pratique Vétérinaire Equine (2011), 43(170), 35-37

This technical note describes the reference method for screening the mitochondrial function in horses.

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See detailAltered diastolic and systolic left ventricular function in horses completing a long distance endurance race.
Amory, Hélène ULg; Votion, Dominique ULg; Fraipont, Audrey ULg et al

in In Proccedings of the First Benelux Congress of Physiology and Pharmacology (PHYSPHAR) (2011, March 18)

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See detailSubclinical diseases affecting performance in Standardbred trotters: Diagnostic methods and predictive parameters
Richard, Eric ULg; Fortier, Guillaume; Pitel, Pierre-Hugues et al

in Veterinary Journal (2010), 184(3), 282-289

The objectives of this study were to determine the prevalence of sub-clinical diseases in poorly-performing Standardbred horses, compare their physiological response to exercise with control horses, and ... [more ▼]

The objectives of this study were to determine the prevalence of sub-clinical diseases in poorly-performing Standardbred horses, compare their physiological response to exercise with control horses, and identify predictive parameters of poor-performance. Fifty horses underwent thorough clinical and ancillary examinations, including haematological and biochemical evaluation, Doppler echocardiography, standardised exercise tests (SETs) on both treadmill and racetrack, treadmill video-endoscopy and collection of respiratory fluids. Most of the poorly-performing horses exhibited many concomitant diseases. The most frequently diagnosed problems involved the lower and upper respiratory tract and the musculoskeletal system. Poor-performers had lower speeds at a blood lactate (LA) concentration of 4 mmol/L (VLA4) and a heart rate (HR) of 200 bpm (V200) on treadmill and racetrack, as well as lower values for haematological parameters, plasma angiotensin-converting enzyme and antioxidants, compared to control horses. Problems of the respiratory system were the most frequently diagnosed sub-clinical diseases affecting performance. SETs, together with some blood markers, may be useful as a non-specific diagnostic tool for early detection of diseases that may affect performance. [less ▲]

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See detailAltered diastolic and systolic left ventricular function in horses completing a long distance endurance race
Amory, Hélène ULg; Votion, Dominique ULg; Fraipont, Audrey ULg et al

in In Proceedings of the 8th International Conference on Equine Exercise Physiology (ICEEP) (2010)

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See detailHydratation and electrolyte balance in horses during an endurance season
Robert, Céline; Goachet, Anne-Gaëlle; Fraipont, Audrey ULg et al

in Equine Veterinary Journal. Supplement (2010), 42(38), 98-104

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See detailAlterations in mitochondrial respiratory function in response to endurance training and endurance racing
Votion, Dominique ULg; Fraipont, Audrey ULg; Goachet, Anne-Gaëlle et al

in Equine Veterinary Journal. Supplement (2010), 42(38), 268-274

Objectives: To determine effects of training and racing on muscle oxidative phosphorylation (OXPHOS) and electron transport system (ETS) capacities in horses with high-resolution respirometry (HRR).

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See detailInfluence of subclinical inflammatory airway disease on equine respiratory function evalueated by impulse oscillometry
Richard, Eric ULg; Fortier, Guillaume; Denoix, Jean-Marie et al

in Equine Veterinary Journal (2009), 41(4), 384-389

Reasons for performing study: Inflammatory airway disease (IAD) is a nonseptic condition of the lower respiratory tract. Its negative impact on respiratory function has previously <br /><br />been ... [more ▼]

Reasons for performing study: Inflammatory airway disease (IAD) is a nonseptic condition of the lower respiratory tract. Its negative impact on respiratory function has previously <br /><br />been described using either forced expiration or forced oscillations techniques. However, sedation or drug-induced bronchoconstriction were usually required. The impulse <br /><br />oscillometry system (IOS) is a noninvasive and sensitive respiratory function test validated in horses, which could be useful to evaluate IAD-affected horses without further <br /><br />procedures. <br /><br />Objectives: To determine the sensitivity of IOS in detecting alterations of the respiratory function in subclinically IAD-affected horses without inducing bronchoprovocation and to characterise their respiratory impedance according to frequency for each respiratory phase. <br /><br />Methods: Pulmonary function was evaluated at rest by IOS in 34 Standardbred trotters. According to the cytology of bronchoalveolar lavage fluid (BALF), 19 horses were defined <br /><br />as IAD-affected and 15 horses were used as control (CTL). Total respiratory resistance (Rrs) and reactance (Xrs) from 1–20 Hz as well as their inspiratory and expiratory <br /><br />components were compared between groups. <br /><br />Results: A significant increase of Rrs at the lower frequencies (R1–10 Hz) as well as a significant decrease of Xrs beyond 5 Hz (X5–20 Hz) was observed in IAD compared to CTL horses. IOS-data was also significantly different between inspiration and expiration in IAD-affected horses. In the whole population, both BALF eosinophil and mast cell counts were <br /><br />significantly correlated with IOS measurements. <br /><br />Conclusions: Functional respiratory impairment may be measured, even in the absence of clinical signs of disease. In IAD-affected horses, the different parameters of respiratory <br /><br />function (Rrs or Xrs) may vary depending on the inflammatory cell profiles represented in BALF. <br /><br />Potential relevance: Impulse oscillometry could be used in a routine clinical setting as a noninvasive method for early detection of subclinical respiratory disease and of the results <br /><br />of treatment in horses. [less ▲]

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See detailIntérêt du suivi sportif à la piste des chevaux d’endurance dans la détection des problèmes subcliniques
Fraipont, Audrey ULg; Van Erck, Emmanuelle; Art, Tatiana ULg et al

in 35ème Journée de la Recherche équine (2009)

The aim of this study was to evaluate a field exercise test specifically designed for endurance horses and to determine the relevant parameters allowing discrimination between healthy horses (H) and ... [more ▼]

The aim of this study was to evaluate a field exercise test specifically designed for endurance horses and to determine the relevant parameters allowing discrimination between healthy horses (H) and horses presenting subclinical disorders (SP). Twenty four endurance horses underwent blood analyses, general examination and special exams to define a posteriori 2 groups: group H composed of healthy horses (n=12) and group SP included horses presenting subclinical disorders (n=12). The exercise test consisted of a warm-up followed by 3 gallop steps (27 km, 1.5km, 1.5km) at incremental speed. Lactates were measured after each step, an ECG was recorded during effort and recovery, speed was monitored by a GPS. Significant differences were observed between H and SP groups for VLA4, V160 and heart rate during recovery with better values for H horses. These results demonstrate the pertinence of a medical athletic follow-up in endurance horses: this field exercise test is easily achievable and allows the detection of subclinical disorders which would otherwise remain unsuspected by the riders. [less ▲]

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See detailEffect of breed on Doppler echocardiographic measurements in equids
Al Haidar, A; Sandersen, Charlotte ULg; Van Erck, Emmanuelle et al

in Proceedings of the 3rd Annual Congress of the European College of Equine Internal Medicine (ECEIM) (2009)

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See detailLe microdamier: un outil du futur pour le diagnostic de l’inflammation ?
Mignot, Clémence ULg; Fraipont, Audrey ULg; Richard, Eric et al

Poster (2009)

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See detailLaboratory findings in respiratory fluids of the poorly-performing horse
Richard, Eric ULg; Fortier, Guillaume; Lekeux, Pierre ULg et al

in Veterinary Journal (2009)

Any disorder impairing a performance horse’s ability to ventilate its lungs and exchange oxygen compromises exercise performance in any discipline. Since bronchoalveolar lavage was described in horses in ... [more ▼]

Any disorder impairing a performance horse’s ability to ventilate its lungs and exchange oxygen compromises exercise performance in any discipline. Since bronchoalveolar lavage was described in horses in the early 1980s, laboratory evaluation of respiratory fluids, along with clinical and functional assessment of the respiratory system, has become a relevant step in the diagnosis of respiratory disease affecting performance. The aim of this review is to provide objective information to assist clinicians in interpreting laboratory findings by (1) summarising published cytological references values in both clinically healthy horses and those with various airway diseases, (2) assessing the influence of physiological circumstances, such as exercise, on the cytological evaluation, (3) discussing the relationship between cytological and microbiological analyses, clinical signs and respiratory function, and (4) suggesting how this latter relationship may affect performance. [less ▲]

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See detailComment investiguer la contre-performance d’origine médicale : de la clinique au laboratoire
Richard, Eric; Pitel, P. H.; Fortier, G. et al

in 35ème Journée de la Recherche équine (2009)

Clinical affections of the locomotor and respiratory systems are the two main causes of poor performance in sport horses. Nevertheless, each subclinical affection of any system implicated in the oxygen ... [more ▼]

Clinical affections of the locomotor and respiratory systems are the two main causes of poor performance in sport horses. Nevertheless, each subclinical affection of any system implicated in the oxygen system (respiratory, cardiovascular, blood, muscular and metabolic) may also become a limiting factor concerning the athletic capacities of the horse. A systematic medical examination of the horse, combining ail the clinical and laboratory exams, is thus necessary in order to establish a precise and comprehensive diagnosis regarding the different affections. The objectives of this communication are therefore to present the different methods currently available for the practitioner as well as the techniques recently developed for horses. The complementarity of the different clinical and laboratory exams, as well as the ideal moment for performing each test are clarified in order to accurately determine the different causes of poor performance as well as their functional repercussions [less ▲]

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See detailPourquoi examiner le cheval à l’effort ?
Van Erck, Emmanuelle; Lekeux, Pierre ULg

in 35ème Journée de la Recherche équine (2009)

Examination of the horse during daily work is essential to follow-up his athletic préparation, however a good level of expérience is required to judge if he is ready to perform in compétition. Beyond thé ... [more ▼]

Examination of the horse during daily work is essential to follow-up his athletic préparation, however a good level of expérience is required to judge if he is ready to perform in compétition. Beyond thé subjective estimation of his behaviour and progress, objective parameters can be measured to evaluate his athletic capacity, level of fitness and health. Simple exercise tests can be integrated to thé horse's regular work schedule and parameters such as speed, heart rate and cardio-respiratory recovery may be readily monitored and compared during thé course of thé season. More sophisticated tests allow investigating exercise physiology of thé horse during exertion and thé way he tolerates and adapts to physical strain. It also allows early détection of subclinical diseases liable to impair performance. Like in human sports medicine, treadmill tests represent a safe investigation tool that is particularly well adapted to examining horses during exercise and helps diagnose one or several causes of poor performance, as many ancillary examinations may be implemented. [less ▲]

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See detailIdentification of equid herpesvirus-5 in respiratory liquids: A retrospective study of 785 samples taken in 2006-2007
Fortier, Guillaume; Pronost, Stéphane; Miszczak, Fabien et al

in Veterinary Journal (2009), 182

During a case control study undertaken in 2006-2007, a screening and consensus polymerase chain reaction (PCR) was performed to evaluate the potential role of equid herpesviruses (EHV) in several ... [more ▼]

During a case control study undertaken in 2006-2007, a screening and consensus polymerase chain reaction (PCR) was performed to evaluate the potential role of equid herpesviruses (EHV) in several occurrences of respiratory disorders in 661 horses. Of 785 bronchoalveolar or tracheal lavage fluid samples submitted for analysis, 20 were positive for EHV-5 DNA by sequential analysis of the consensus PCR product. Nineteen of those samples were confirmed using a specific EHV-5 PCR. No particular changes in cytological profile could be associated with the detection of EHV-5 in contrast to suggestions in previous reports of natural or experimental respiratory viral infections in horses or ponies. This is the first description of EHV-5 isolation in equine respiratory fluids in Europe, but further investigations are needed to determine the potential pathogenic role of this gammaherpesvirus in the horse. [less ▲]

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See detailEvaluation de la condition physique chez le cheval d’endurance : comparaison d’un test de terrain adapté et d’un test sur tapis roulant
Fraipont, Audrey ULg; Van Erck, Emmanuelle; Toussaint, Marie et al

in 36èmes Journées AVEF (2008)

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See detailMorphological echocardiographic measurements: reference values as a function of body size in equids
Al Haidar, A; Sandersen, Charlotte ULg; Van Erck, Emmanuelle et al

Poster (2008)

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See detailLe stress oxydant est modifié en fonction du statut clinique chez les trotteurs à l’entraînement
Van Erck, Emmanuelle; Lekeux, Pierre ULg; Kirschvink, N.

in 36èmes Journées AVEF (2008)

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