Comparative Pharmacology
Head-to-head clinical analysis: DEXTROSE 5 AND LACTATED RINGER S IN PLASTIC CONTAINER versus DEXTROSE 5 AND POTASSIUM CHLORIDE 0 075 IN PLASTIC CONTAINER.
Peer-Reviewed Evidence
Head-to-head clinical analysis: DEXTROSE 5 AND LACTATED RINGER S IN PLASTIC CONTAINER versus DEXTROSE 5 AND POTASSIUM CHLORIDE 0 075 IN PLASTIC CONTAINER.
DEXTROSE 5% AND LACTATED RINGER'S IN PLASTIC CONTAINER vs DEXTROSE 5% AND POTASSIUM CHLORIDE 0.075% IN PLASTIC CONTAINER
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Dextrose provides a source of carbohydrates for metabolism, while Lactated Ringer's solution replaces extracellular fluid and electrolytes. Lactate is converted to bicarbonate in the liver, providing buffer.
Dextrose is a monosaccharide that serves as a source of calories and water for hydration. It is metabolized to carbon dioxide and water, yielding energy. Potassium chloride dissociates to provide potassium ions, which are essential for maintenance of intracellular tonicity, nerve impulse transmission, contraction of cardiac, skeletal, and smooth muscle, and maintenance of normal renal function.
Intravenous infusion, dose depends on fluid and caloric needs; typical adult dose is 30-40 mL/kg/day, not to exceed 100 mL/hour in normovolemic patients without cardiac impairment.
Intravenous infusion; rate and volume determined by patient fluid and electrolyte status. Typical maintenance: 100-125 mL/hour for adults, providing 5 g dextrose and 7.5 mEq potassium chloride per liter.
None Documented
None Documented
Dextrose: 1-2 hours (intracellular utilization); lactate: 10-20 minutes (hepatic metabolism); water and electrolytes: distribution half-life ~20-30 minutes, elimination half-life determined by renal function (normal ~2-4 hours).
Potassium: terminal half-life ~1-1.5 hours in normokalemic patients; clinically relevant for dosing interval. Glucose: negligible terminal half-life due to rapid metabolism.
Lactate is metabolized to bicarbonate in the liver (80%) and kidneys (20%); dextrose is metabolized to CO2 and water via glycolysis and the Krebs cycle; water is excreted renally (100%), electrolytes (Na+, K+, Ca2+, Cl-) are primarily renally eliminated with minimal fecal loss (<2%).
Potassium: 90% renal, 10% fecal. Glucose: completely metabolized; <1% renal.
Category C
Category C
IV Fluid
IV Fluid