Plasma endotoxin levels in horses subjected to carbohydrate induced laminitis |
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| Authors: | R F Sprouse H E Garner E M Green |
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| Institution: | Department of Pathology, School of Medicine, University of Missouri, Columbia 65212. |
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| Abstract: | Thirteen (65 per cent) of 20 horses subjected to carbohydrate overload developed Obel Grade 3 lameness within 56 h. Increases in plasma endotoxin from control levels of less than 0.1 ng/litre to values ranging from 2.4 to 81.53 ng/litre were measured in 11 (85 per cent) of 13 horses during the onset of Obel Grade 3 lameness. Obel Grade 3 lameness was associated with rises in plasma Gram-negative endotoxin levels in 11 (92 per cent) of 12 horses. Two peak increases separated by 16 h were verified in five (45 per cent) of 11 horses that exhibited both endotoxaemia and Obel Grade 3 lameness. The first peak occurred, on average, at 32 h and the second peak at 48 h post overload when only one peak was measured, this occurred in four horses at the average time of 24 h whereas in another three horses only a 48 h or 56 h peak was detected after carbohydrate overload. |
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