This is a prospective, randomized study in patients greater than or equal to 10 years of age scheduled for an posterior spinal fusion that requires invasive monitoring of arterial blood pressure. Subjects will be randomized to receive either standard of care Normosol-R or buffered 2% hypertonic saline for intraoperative fluid resuscitation. The primary objective of this study is to compare intraoperative changes in acid-base status and electrolytes based on the type of fluid administered intraoperatively. The secondary objective is to compare the volume of fluid required and use of adjunctive volume resuscitation with 5% albumin for intraoperative resuscitation when using standard Normosol-R or a novel buffered 2% saline solution.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Standard of care isotonic fluid.
A solution containing 2% sodium chloride (NaCl) that is "buffered" by the addition of another salt like sodium acetate.
Nationwide Children's
Columbus, Ohio, United States
pH
pH level from arterial blood gas.
Time frame: Every 1-2 hours during the surgery
Base deficit
Base deficit level from arterial blood gas.
Time frame: Every 1-2 hours during the surgery
Sodium
Sodium level from arterial blood gas.
Time frame: Every 1-2 hours during the surgery
Ionized calcium
Ionized calcium level from arterial blood gas.
Time frame: Every 1-2 hours during the surgery
Potassium
Potassium level from arterial blood gas.
Time frame: Every 1-2 hours during the surgery
Fluid volume
Volume of fluid required for intraoperative resuscitation.
Time frame: Duration of surgery (approx. 4-6 hrs.)
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