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BACKGROUND The emergent nature of atypical myopathy or atypical myoglobinuria (AM) necessitates precise description of its clinical and epidemiologic features. PURPOSE To define key features of AM to help practitioners recognize the disease and to advise owners to take preventive measures. ANIMALS Belgian cases of AM confirmed by histology (CC horses; n(More)
The aim of the current study was to assess lipid metabolism in horses with atypical myopathy. Urine samples from 10 cases were subjected to analysis of organic acids, glycine conjugates, and acylcarnitines revealing increased mean excretion of lactic acid, ethylmalonic acid, 2-methylsuccinic acid, butyrylglycine, (iso)valerylglycine, hexanoylglycine, free(More)
REASONS FOR PERFORMING STUDY Improved understanding of the epidemiology of atypical myopathy (AM) will help to define the environmental factors that permit or support the causal agent(s) to exert toxicity. OBJECTIVES This European survey of AM aimed to describe spatiotemporal distribution, survival, clinical signs, circumstances in which AM develops and(More)
REASONS FOR PERFORMING STUDY There is a lack of well documented studies about muscular lesions in equine atypical myopathy (EAM). OBJECTIVES To characterise morphopathological changes of striated muscles and myocardium, to progress understanding of this disease. METHODS Thirty-two horses age 0.5-7 years kept on pasture were referred for a sudden(More)
REASONS FOR PERFORMING STUDY Intense physical exercise can induce the degranulation of neutrophils leading to an increase in plasma concentration of the neutrophil marker enzymes myeloperoxidase (MPO) and elastase (ELT). These enzymes have pro-oxidative and pro-inflammatory properties and may play a role in the exercised-induced muscular damage. (More)
REASONS FOR PERFORMING STUDY Limited information exists about the muscle mitochondrial respiratory function changes that occur in horses during an endurance season. 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(More)
REASONS FOR PERFORMING STUDY Appropriate management of atypical myopathy (AM) requires the establishment of an accurate diagnosis and prognosis. Furthermore, preventive measures to avoid AM need to be refined. OBJECTIVES The aims of the study were as follows: 1) to improve the diagnosis of AM; 2) to identify prognostic predictors; and 3) to refine(More)
REASONS FOR PERFORMING STUDY It is unknown whether or not exercise-induced cardiac fatigue (EICF), as demonstrated in human athletes performing long duration exercise, occurs in endurance horses. OBJECTIVE To examine the effects of a long distance endurance race on left ventricular systolic function in horses. METHODS Echocardiography was performed(More)
REASONS FOR PERFORMING STUDY Intensive exercise induces a systemic inflammatory response characterised by an increase of blood neutrophil count and myeloperoxidase (MPO) release. Neutrophil elastase (NE) could also contribute to tissues lesions by its proteinase activities. OBJECTIVE To compare plasmatic NE concentrations before and after different forms(More)
The use of lung scintigraphy in calves necessitates the validation of a ventilation (V) imaging agent compatible with clinical applications. This study aimed at defining the value of an inhaled radioactive aerosol (99mTc-DTPA) and a 'pseudogas' (Technegas) in the assessment of regional V in healthy conscious calves by comparing 99mTc-DTPA and Technegas(More)