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. 2021 Sep 27;35(2):197-203.
doi: 10.1515/jpem-2021-0305. Print 2022 Feb 23.

Evaluating a standardized protocol for the management of diabetes insipidus in pediatric neurosurgical patients

Daniel Mak  1 , Alexandra L Schaller  2 , Stephanie A Storgion  2 , Amit Lahoti  3
Affiliations
Free article

Evaluating a standardized protocol for the management of diabetes insipidus in pediatric neurosurgical patients

Daniel Mak et al. J Pediatr Endocrinol Metab. .
Free article

Abstract

Objectives: Central diabetes insipidus (DI) is a known complication following surgical resection of a suprasellar mass. There are limited data analyzing the outcomes of a standardized protocol for the management of postoperative DI in the pediatric population. We sought to fill this gap and hypothesized that utilizing a standardized protocol for fluid management (3-bag system) would reduce serum sodium fluctuations in the postoperative period after suprasellar surgery.

Methods: A retrospective chart review was performed. Patients were identified with the following criteria: age ≤ 18 years, undergoing a surgical procedure for suprasellar mass that also had postoperative DI. The primary outcome was the variability in serum sodium during the first 48 h and between 48 and 120 h postoperatively.

Results: There were 21 encounters pre-protocol and 22 encounters post-protocol for neurosurgical procedures. Use of the standardized protocol was associated with a lower range of sodium within 48 h postoperatively (p=0.065) and 83% lower odds of hypernatremia (Na>150 mmol/L) within 48 h postoperatively (CI 0.039-0.714) after controlling for age, gender, and prior DI diagnosis. History of DI conferred a lower risk of hypernatremia as well as less sodium fluctuation within 48 h postoperatively. Younger patients, those <9.7 years of age were associated with increased risk of hyponatremia and greater sodium fluctuations during the postoperative period.

Conclusions: In patients with postoperative DI after suprasellar surgery, using a standardized protocol for fluid management (3-bag system) appears to reduce serum sodium variability in the first 48 h after surgery.

Keywords: diabetes insipidus; dysnatremia; pediatrics; postoperative; standardized protocol; suprasellar.

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