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[Surgical stress and hypophyseal-adrenal activation in childhood]

J C Valladares Mendías1, M Alaminos Mingorance, J Castejón Casado

  • 1Servicio de Cirugía Pediátrica, Hospital Universitario Virgen de las Nieves, Granada.

Cirugia Pediatrica : Organo Oficial De La Sociedad Espanola De Cirugia Pediatrica
|February 27, 2003
PubMed

Insights

Pediatric surgery activates the pituitary-adrenal system, with hormone levels returning to normal within 24 hours. Beta-endorphin and cortisol levels correlate with surgical stress in children.

Area of Science:

  • Pediatric endocrinology
  • Surgical physiology
  • Stress response

Context:

  • Surgical stress impact on physiological alterations is well-documented in adults but less understood in pediatric populations.
  • Understanding the pediatric stress response is crucial for optimizing perioperative care.

Purpose:

  • To quantify surgical stress by measuring plasma concentrations of ACTH, beta-endorphin, and cortisol in children undergoing surgery.
  • To evaluate changes in these hormones at 1 and 24 hours post-operation.

Summary:

  • A prospective cohort study involving 33 children (ages 5-14) assessed hormonal changes (ACTH, beta-endorphin, cortisol) before and after surgery.
  • Hormone levels significantly increased one hour post-surgery, returning to baseline by 24 hours.
  • Significant correlations were found between beta-endorphin (24h post-op), cortisol (1h post-op), and surgical stress levels.

Impact:

  • Demonstrates that pediatric surgery activates the hypothalamic-pituitary-adrenal axis, with hormones normalizing within 24 hours.
  • Identifies beta-endorphin as a specific stress hormone in pediatric surgical patients.
  • Suggests cortisol is a reliable indicator of surgical stress severity in children.
Abstract

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