Adrenocortical steroids definition

During minor illness (., flu or fever >38° C [° F]) the hydrocortisone dose should be doubled for 2 or 3 days. The inability to ingest hydrocortisone tablets warrants parenteral administration. Most patients can be educated to self administer hydrocortisone, 100 mg IM, and reduce the risk of an emergency room visit. Hydrocortisone, 75 mg/day, provides adequate glucocorticoid coverage for outpatient surgery. Parenteral hydrocortisone, 150 to 200 mg/day (in three or four divided doses), is needed for major surgery, with a rapid taper to normal replacement during the recovery. Patients taking more than 100 mg hydrocortisone/day do not need any additional mineralocorticoid replacement. All patients should wear some form of identification indicating their adrenal insufficiency status.

Thyroid hormones, gonadal and adrenocortical steroids, are glucoregulatory hormones. Thyroid hormones increase the provision of glucose to meet the enhanced energy demands which they impose. Glucose tolerance is decreased, associated with increased hepatic glucose production, although the glucose-raising effects of thyroid hormones are partially offset by an increased rate of glucose utilization especially in the postabsorptive state. The insulin secretory capacity of the pancreatic B cells is reduced by an excess of thyroid hormones, and the onset of diabetes may be hastened as pancreatic insulin reserves are depleted. Natural estrogens can improve glucose tolerance through a beta-cytotropic effect and enhanced insulin sensitivity. Progesterone may produce similar effects in the absence of estrogens, but progestins appear to antagonize the effects of estrogens. Testosterone exerts only marginal effects on glucose tolerance. Glucocorticoids decrease glucose tolerance by increased hepatic glucose production and impaired peripheral glucose utilization. Glucocorticoids reduce insulin sensitivity and responsiveness in peripheral tissues. However, the diabetogenic influence of glucocorticoid excess is partly compensated by a beta-cytotropic effect and a condition of diabetes develops when the functional reserve of the endocrine pancreas becomes limiting.

Adrenocortical steroids definition

adrenocortical steroids definition

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