Hypotonic fluid reduce serum sodium compared to isotonic fluids during anesthesia induction in pediatric patients undergoing maxillofacial surgery-type of infusion affects blood electrolytes and glucose: an observational study

Table 3 Pre-anesthesia and post-anesthesia-induction blood concentrations of the measured biochemical parameters

	Pre-anesthesia		Post-anesthesia-induction			The change from Pre-anesthesia to post-anesthesia-induction
	Sodium (mEq/L)	Potassium (mEq/L)	Sodium (mEq/L)	Potassium (mEq/L)	Glucose (mg/dL)	Sodium (mEq/L)	Potassium (mEq/L)
Isotonic solution group	138.9 ± 1.5	4.4 ± 0.3	138.7 ± 1.4	4.0 ± 0.3^a	88.0 ± 9.4	−0.19 ± 1.99	−0.41 ± 0.41
Hypotonic solution group	139.0 ± 1.5	4.5 ± 0.3	137.5 ± 1.3^a	4.0 ± 0.2^a	109.9 ± 18.4	−1.49 ± 2.06	−0.52 ± 0.41
p value	0.7331 (NS)	0.2084 (NS)	0.0003	0.6615 (NS)	<0.0001	0.0064	0.2342 (NS)

^aComparison of pre-anesthesia and post-anesthesia-induction values indicated significant difference in potassium concentrations with the isotonic solution (p < 0.0001), sodium concentrations with hypotonic solution (p < 0.0001), and potassium concentrations with hypotonic solution (p < 0.0001)

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