Comparative Pharmacology
Head-to-head clinical analysis: ISOLYTE S IN PLASTIC CONTAINER versus PLASMA LYTE 148 AND DEXTROSE 5 IN PLASTIC CONTAINER.
Peer-Reviewed Evidence
Head-to-head clinical analysis: ISOLYTE S IN PLASTIC CONTAINER versus PLASMA LYTE 148 AND DEXTROSE 5 IN PLASTIC CONTAINER.
ISOLYTE S IN PLASTIC CONTAINER vs PLASMA-LYTE 148 AND DEXTROSE 5% IN PLASTIC CONTAINER
Comparing the clinical profiles, pharmacokinetic behaviors, and safety indices of these two therapeutic agents.
Isolyte S is an electrolyte and fluid replenisher. It provides water and essential electrolytes (sodium, potassium, magnesium, chloride, acetate, gluconate) to restore and maintain extracellular fluid volume and electrolyte balance. Acetate and gluconate are metabolized to bicarbonate, serving as bicarbonate precursors to help correct metabolic acidosis.
Plasma-Lyte 148 and Dextrose 5% is an intravenous solution that provides maintenance fluid, electrolytes, and calories. Dextrose provides energy and prevents ketosis. Plasma-Lyte 148 contains electrolytes (sodium, potassium, magnesium, calcium, chloride, acetate, gluconate) to replace losses and maintain acid-base balance.
Intravenous administration, typical adult dose is 500-1000 mL per hour, adjusted based on clinical status and electrolyte needs.
IV infusion at a rate of 10-20 mL/kg/hour, not to exceed 100 mL/hour in adults without cardiac or renal compromise; adjust based on fluid status and serum electrolytes.
None Documented
None Documented
The terminal elimination half-life for the individual electrolytes varies: Sodium has a half-life of approximately 2-4 hours depending on hydration and renal function; potassium has a half-life of 5-7 hours in normal renal function; magnesium has a half-life of 24-72 hours; calcium has a half-life of 3-6 hours. Clinically, the half-life is prolonged in renal impairment, necessitating dose adjustment.
Not applicable as it is a balanced electrolyte solution with dextrose. Components distribute and are eliminated rapidly; dextrose half-life ~15-30 minutes in normoglycemia.
The electrolytes in ISOLYTE S are primarily excreted via renal elimination. Sodium and chloride are almost entirely excreted by the kidneys, with minimal biliary or fecal elimination (<2%). Potassium is predominantly excreted renally (90%), with approximately 10% eliminated via feces. Magnesium and calcium are mainly excreted in urine (70-80% for magnesium, 20-30% for calcium) with some biliary/fecal excretion. Acetate and gluconate are metabolized to bicarbonate and excreted renally.
Components are excreted renally. Dextrose is metabolized; electrolytes are eliminated via kidneys (sodium, chloride, acetate, gluconate, magnesium, potassium). No biliary or fecal elimination.
Category C
Category C
Intravenous Electrolyte Solution
Intravenous Electrolyte Solution