Septic foals had higher hormone concentrations as compared to normal foals, which is an expected endocrine response to critical illness. The increased ACTH/cortisol ratio in nonsurviving septic foals in comparison to surviving septic foals could indicate hypothalamic-pituitary-adrenal axis dysfunction at the level of the adrenal gland in critically ill septic foals.

Uncomplicated sand enteropathy can be managed medically in mature horses, and serial abdominal radiography can be used to monitor sand clearance. Surgery to evaluate for and correct concurrent gastrointestinal lesions should be recommended without delay in horses showing persistent colic signs.

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Septic foals, unlike septic human infants, up-regulate TLR4 gene expression, which may enhance pro-inflammatory cytokine production. Despite the presence of sepsis, IFN-gamma was not up-regulated. Additional studies are needed to verify that increased IL-6 expression is associated with a poor prognosis in septic foals.