Experience with electrolyte levels after craniotomy for pediatric brain tumors

Area of Science:

• Pediatric neurosurgery
• Pediatric endocrinology
• Nursing care

Background:

• Children with brain tumors often need craniotomies for tumor removal.
• Postoperative complications include inappropriate vasopressin secretion or cerebral salt wasting syndrome.
• Improper fluid and electrolyte management can worsen patient outcomes.

Purpose of the Study:

• To assess the incidence of abnormal serum sodium levels in pediatric brain tumor patients during the perioperative period.
• To identify specific patient populations at higher risk for these electrolyte disturbances.
• To emphasize the critical role of nursing in monitoring and managing these patients.

Main Methods:

• Prospective observation of serum sodium levels for 72 hours perioperatively.
• Inclusion of 36 pediatric patients undergoing brain tumor resections over 1 year.
• Measurement of 201 serum sodium levels, with analysis of abnormal values.

Main Results:

• 39% of measured sodium levels were outside the normal range (135-145 mEq/L).
• Severe hyponatremia (<125 mEq/L) occurred in 1% of levels, and severe hypernatremia (>165 mEq/L) in 1%.
• All abnormal sodium levels were observed in patients with suprasellar or hypothalamic lesions.

Conclusions:

• Children with suprasellar or hypothalamic tumors require specialized postoperative fluid and electrolyte management.
• Nurses are pivotal in the close monitoring of pediatric brain tumor patients at risk for abnormal sodium levels.
• Early detection and intervention are key to preventing severe complications associated with electrolyte imbalances.