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Pharmacokinetics of fentanyl in children with renal disease
Research Communications in Chemical Pathology and Pharmacology
|December 1, 1984
Insights
Fentanyl anesthesia in children with renal disease shows varied effects. While one case with end-stage renal failure had normal fentanyl pharmacokinetics, another with Wilm's tumor experienced prolonged drug elimination.
Area of Science:
- Anesthesiology
- Pediatric Nephrology
- Pharmacokinetics
Background:
- Fentanyl is a common anesthetic agent used in pediatric surgery.
- Renal disease can significantly alter drug pharmacokinetics, affecting drug efficacy and safety.
- Understanding fentanyl's behavior in pediatric patients with renal impairment is crucial for safe anesthesia administration.
Observation:
- This study describes two pediatric cases involving fentanyl anesthesia and renal disease.
- Case 1: A child with end-stage renal failure undergoing cardiac surgery.
- Case 2: A child with Wilm's tumor receiving fentanyl anesthesia.
Findings:
- In end-stage renal failure, fentanyl's pharmacokinetic parameters (e.g., distribution volume, clearance) were comparable to pediatric patients with normal renal function during cardiac surgery.
- In the case of Wilm's tumor, fentanyl exhibited a prolonged elimination half-life and a smaller distribution volume than typically observed in pediatric patients.
- These findings suggest that renal disease may impact fentanyl pharmacokinetics differently depending on the specific condition and clinical context.
Implications:
- Fentanyl dosage and administration may require careful individualization in pediatric patients with certain renal conditions, particularly Wilm's tumor.
- Further research is warranted to elucidate the precise mechanisms underlying altered fentanyl pharmacokinetics in pediatric renal disease.
- These insights can guide anesthetic management strategies to optimize patient outcomes and minimize adverse events in this vulnerable population.
Abstract:
Two cases of fentanyl anesthesia in children with renal diseases are described. In a case of end stage renal failure, the pharmacokinetic parameters during cardiac surgery were similar to 18 children from the same age group with normal renal function. In a case of Wilm's tumor, there was an unusually prolonged elimination half-life of fentanyl and smaller distribution volume as compared to pediatric parameters during fentanyl anesthesia.