Analyzing the efficacy of frequent sodium checks during hypertonic saline infusion after elective brain tumor surgery.

Clin Neurol Neurosurg

Departments of Neurosurgery, Los Angeles, United States; Radiation Oncology, Los Angeles, United States; Head and Neck Surgery, Los Angeles, United States; Jonsson Comprehensive Cancer Center, University of California, Los Angeles, United States. Electronic address:

Published: May 2017

Objective: To assess the utility of frequent sodium checks (every 6h) in patients receiving hypertonic saline (HS) after elective brain tumor surgeries.

Patients And Methods: A single-institution retrospective review of patients having undergone elective craniotomies for brain tumors and treated with postoperative continuous intravenous infusions of 3% HS was performed. Changes in serum sodium values were analyzed at different time points. The rates of <12.5, 25, and 50cc/h infusions were also examined. Healthcare cost analysis was performed by extrapolating our cohort to the total number of craniotomies performed in the United States.

Results: No significant differences among sodium values checked between 0 to 4, 4-6, 6-8, 8-10, and >10h were observed (P=.64). In addition, no differences in serum sodium values among the rates of <12.5, 25, and 50cc/h were found (P=.30). No patients developed symptoms of acute hypernatremia.

Conclusions: Serum sodium values did not significantly change more than 10h after infusion of HS. Further studies are needed to determine the optimal frequency of routine sodium checks to increase the quality of care and decrease healthcare costs.

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http://dx.doi.org/10.1016/j.clineuro.2017.02.011DOI Listing

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