Abstract

Adrenal disease in the critically ill patient can present many challenges for the intensivist. Besides primary, secondary, and tertiary adrenal insufficiency, a state known as critical care–related corticosteroid insufficiency (CIRCI) has been described. Adrenal insufficiency can pose many issues to the critically ill patient as it can decrease the patient’s ability to respond to the stress that critical illness presents to the human body. Proper recognition and diagnosis of adrenal insufficiency in the critically ill patient can be extremely important in the treatment of these patients and could be a lifesaving intervention if CIRCI is discovered. A less commonly encountered issue of adrenal disease lies in the area of adrenal hormone excess caused by a pheochromocytoma or extra-adrenal paragangliomas. These tumors can release large amounts of endogenous catecholamines that cause significant patient morbidity and mortality if not recognized early and treated appropriately. Although adrenal insufficiency and adrenal excess are less commonly encountered problems in critically ill patients, the recognition and treatment of these disease states can prevent the morbidity and mortality of critically ill patients that suffer from these disease states. This review contains 5 figures, 5 tables, and 89 references. Key words: adrenal insufficiency, hypothalamic-pituitary axis, critical illness–related corticosteroid insufficiency, pheochromocytoma, steroid replacement therapy

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