Adrenal Insufficiency Diagnosis and Management
Summary
Adrenal insufficiency arises when the adrenal cortex fails to produce adequate glucocorticoids, most notably cortisol, leading to fatigue, weight loss, hypotension and electrolyte disturbances. Primary forms result from direct adrenal damage, whereas secondary forms reflect impaired pituitary adrenocorticotropic hormone (ACTH) secretion. Diagnosis combines clinical assessment with biochemical evaluation: measurement of morning serum cortisol and plasma ACTH, dynamic testing via the standard or low-dose ACTH stimulation test, and, where indicated, insulin tolerance testing. Imaging of the adrenal glands and pituitary may elucidate structural causes. Genetic and autoantibody assays support diagnosis in congenital or autoimmune disease. Management centres on physiological glucocorticoid replacement, typically with hydrocortisone or modified-release formulations to mimic circadian and ultradian secretion. Mineralocorticoid replacement is required in primary insufficiency. Patient education emphasises sick-day rules, stress dosing, and recognition of adrenal crisis, a life-threatening emergency necessitating prompt parenteral hydrocortisone and fluid resuscitation. Emerging approaches seek to refine dosing through biomarkers and to improve quality of life via more physiological hormone delivery systems.
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Adrenal Insufficiency Diagnosis and Management publication trend
The graph below shows the total number of articles in adrenal insufficiency diagnosis and management across all publications each year (not limited to Nature Index journals).
Technical terms
Primary adrenal insufficiency: Failure of hormone production due to adrenal gland pathology.
Secondary adrenal insufficiency: Impaired ACTH release by the pituitary leading to cortisol deficiency.
Cortisol: Principal glucocorticoid hormone involved in stress response and metabolic regulation.
ACTH stimulation test: Dynamic assay measuring adrenal cortisol production after synthetic ACTH administration.
Glucocorticoid replacement therapy: Administration of synthetic steroids to restore physiological cortisol levels.
Adrenal crisis: Acute life-threatening state of severe cortisol deficiency requiring immediate treatment.
Ultradian rhythm: Inherent short-term cycle of hormone secretion recurring several times per day.
Biomarker: Measurable indicator of a biological state, used here to assess glucocorticoid sufficiency.
References
- Current Challenges and Future Directions in the Assessment of Glucocorticoid Status. Endocrine Reviews (2024).
- Ultradian hydrocortisone replacement alters neuronal processing, emotional ambiguity, affect and fatigue in adrenal insufficiency: The PULSES trial. Journal of Internal Medicine (2023).
- Prevention of Adrenal Crisis: Cortisol Responses to Major Stress Compared to Stress Dose Hydrocortisone Delivery. The Journal of Clinical Endocrinology & Metabolism (2020).
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