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Published on: May 2, 2017
The hypothalamic-pituitary-adrenal axis in critical illness
1Clinic of Endocrinology, Diabetes and Clinical Nutrition, Department of Internal Medicine, University Hospital Basel, Petersgraben 4, Basel CH-4031, Switzerland.
The hypothalamic-pituitary-adrenal (HPA) axis dynamically responds to critical illness. This review examines debated issues in characterizing and treating HPA axis adaptations during critical illness to aid dispute resolution.
Area of Science:
- Endocrinology
- Human Evolution
- Critical Care Medicine
Background:
- The hypothalamic-pituitary-adrenal (HPA) axis is crucial for stress response and homeostasis.
- Evolutionary adaptations enable multisystem coping with critical illness.
- Understanding endocrine changes during critical illness is complex.
Purpose of the Study:
- To review debated issues concerning the hypothalamic-pituitary-adrenal axis during critical illness.
- To stimulate discussion on the characterization and treatment of HPA axis adaptations.
- To contribute to resolving disputes in the current literature.
Main Methods:
- Literature review of current research on HPA axis function in critical illness.
- Discussion of controversial topics and differing viewpoints.
- Synthesis of information to address debated issues.
Main Results:
- The HPA response to stress is a dynamic, complex process.
- Vulnerabilities and failures within the HPA system are challenging to discern.
- Debate exists regarding the characterization and optimal treatment of HPA axis adaptations.
Conclusions:
- Further discussion is needed to resolve disputes regarding HPA axis function in critical illness.
- Clarifying HPA axis adaptations is essential for optimal patient care.
- This review aims to foster consensus and advance understanding.
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