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Endocrine problems in the chronically critically ill patient.

F R Vasa1, M E Molitch

  • 1Center for Endocrinology, Metabolism and Molecular Medicine, Northwestern University Medical School, Chicago, Illinosis.

Clinics in Chest Medicine
|April 24, 2001
PubMed
Summary
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Critical illness causes varied endocrine changes, including insulin resistance in diabetics and thyroid issues like euthyroid sick syndrome. Management focuses on electrolyte balance and specific hormonal derangements.

Area of Science:

  • Endocrinology
  • Critical Care Medicine

Background:

  • Critical illness triggers significant endocrine adaptations.
  • Diabetic patients experience exacerbated insulin resistance and hyperglycemia due to counterregulatory hormones, glucocorticoids, and nutrition.
  • Thyroid function can be significantly altered, presenting as euthyroid sick syndrome or precipitating crises in pre-existing thyroid conditions.

Purpose of the Study:

  • To review the endocrine adaptations in critically ill patients.
  • To highlight common endocrine and electrolyte disturbances encountered in intensive care units.
  • To provide a concise overview of the management of these conditions.

Main Methods:

  • Literature review of endocrine adaptations in critical illness.
  • Analysis of hormonal changes, including counterregulatory hormones, thyroid function, and calcium metabolism.

Related Experiment Videos

  • Evaluation of electrolyte disturbances, particularly hyponatremia.

    • Main Results:

    • Counterregulatory hormones and treatments can worsen hyperglycemia in diabetics.
    • Euthyroid sick syndrome is common, with variable thyroid-stimulating hormone (TSH), T3, and T4 levels.
    • Acute hypercalcemia, often linked to malignancy, and hyponatremia are key concerns in the ICU.

    Conclusions:

    • Endocrine dysregulation is a critical aspect of critical illness.
    • Understanding these adaptations is vital for appropriate patient management.
    • Prompt recognition and treatment of hormonal and electrolyte imbalances improve patient outcomes.