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Drug use in the newborn. Effects on the kidney
T M Wahlig1, T R Thompson, A R Sinaiko
1Division of Neonatology, University of Minnesota Medical School, Minneapolis.
Clinics in Perinatology
|March 1, 1992
Summary
Neonatal drug disposition varies with prematurity, impacting medication effectiveness. This review focuses on commonly used neonatal drugs and renal considerations for safe administration.
Area of Science:
- Neonatal pharmacology
- Clinical pharmacy
- Pediatric drug development
Background:
- Drug disposition (pharmacokinetics) in neonates differs significantly from adults.
- These pharmacokinetic variations are closely linked to the infant's gestational age and degree of prematurity.
- Understanding these differences is crucial for optimizing drug therapy in this vulnerable population.
Purpose of the Study:
- To review age-related differences in drug disposition in neonates.
- To discuss the clinical use of commonly administered drugs in neonatal patients.
- To emphasize renal considerations in neonatal drug therapy.
Main Methods:
- Literature review of pharmacokinetic principles in neonates.
- Discussion of specific drug classes frequently used in neonatal care.
- Focus on drugs with significant renal excretion or impact.
Main Results:
- Age and prematurity significantly alter neonatal drug bioavailability, distribution, metabolism, and excretion.
- Specific drug classes reviewed include diuretics, theophylline, ACE inhibitors, calcium channel blockers, indomethacin, and dopamine.
- Renal function plays a critical role in the safe and effective use of these medications.
Conclusions:
- Neonatal drug therapy requires careful consideration of pharmacokinetic variability.
- Renal function monitoring and dose adjustments are essential for commonly used neonatal drugs.
- Tailoring drug selection and dosage based on gestational age and renal status improves patient outcomes.