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[Anaesthesia for patients with adrenal gland diseases].

Perioperative management of patients with adrenal gland diseases requires detailed information on the individual endocrine status and the potential complications. Typical signs of primary hyperaldosteronism (Conn's syndrome) comprise arterial hypertension, hypokalaemia and metabolic alkalosis. In such cases preoperative treatment with spironolactone is highly recommended. In patients with hypercortisolism (Cushing's syndrome) the following concomitant disorders must be considered particularly: arterial hypertension, osteoporosis, vulnerable skin, diabetes mellitus, and increased risk for infection and thromboembolism. In all patients with proven or suspected adrenocortical insufficiency (i.e. Addison's disease, after removal of a cortisol producing tumour or as the result of long-term therapy with glucocorticoids) consequent perioperative supplementation of hydrocortisone is mandatory. In patients with phaeochromcytoma hypertensive crisis and tachyarrhythmias may occur intraoperatively resulting from massive catecholamine release. Thus, preoperative treatment with the beta-antagonist phenoxybenzamine is obligatory. In contrast, nitroprusside is the substance of choice for intraoperative control of blood pressure. beta-blocking agents may be used in phaeochromocytoma but only under sufficient beta-blockade. Removal of a malignant tumour of the adrenal gland may induce massive haemorrhage, and thus anaesthetic management has to be modified.