Water and sodium disorders in children undergoing surgical treatment of brain tumors

Paravee Hiranrat1, Pisut Katavetin, Vichit Supornsilchai

  • 1Endocrine unit, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand.

Insights

Water and sodium disorders like diabetes insipidus (DI) and SIADH are common in children with brain tumors, often appearing within 24 hours post-surgery. Tumor location influences the type of disorder, with sellar/suprasellar tumors linked to DI and hemisphere/posterior fossa tumors to SIADH.

Area of Science:

  • Pediatric neurosurgery
  • Endocrinology
  • Oncology

Background:

  • Children with brain tumors frequently experience water and sodium balance issues, including diabetes insipidus (DI), SIADH, and CSW.
  • Limited data exists on the incidence, timing, and clinical course of these disorders in pediatric brain tumor patients.

Purpose of the Study:

  • To characterize the incidence, onset, and clinical course of water and sodium disorders in children undergoing surgical treatment for brain tumors.

Main Methods:

  • Retrospective review of medical records for pediatric brain tumor patients who underwent surgery.
  • Study period: January 1997 to December 2002.
  • Location: King Chulalongkorn Memorial Hospital.

Main Results:

  • Water and sodium disorders occurred in 45.57% of 79 patients.
  • Diabetes insipidus (DI) affected 23 patients, SIADH 12, and CSW 1.
  • Tumor location correlated with disorder type: sellar/suprasellar tumors with DI (75.86%), cerebral hemisphere tumors with SIADH (44.44%).
  • Post-operative DI onset averaged 9.68 hours, with SIADH typically developing within 24 hours.

Conclusions:

  • DI and SIADH are frequent complications in pediatric brain tumor patients post-surgery.
  • Onset of these disorders typically occurs within 24 hours after surgical intervention.
  • Specific tumor locations predict the likelihood of DI (sellar/suprasellar) or SIADH (cerebral hemispheres, posterior fossa).
Abstract

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