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Pharmacokinetics in Pediatric Patients: Drug Excretion

Pharmacokinetics in Pediatric Patients: Drug Excretion

In pediatric medicine, understanding the renal function and drug elimination nuances is crucial for administering safe and effective treatments. Newborns, in particular, display markedly slower renal functions than adults, profoundly affecting how drugs are cleared from their bodies. This slower drug clearance requires clinicians to extend the dosing intervals for many medications to prevent drug accumulation and toxicity while ensuring therapeutic efficacy.One key area where these adjustments...

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In pediatric care, understanding the nuances of hepatic drug metabolism is crucial, as it significantly differs from that of adults. This divergence is primarily due to the developmental stage of drug-metabolizing enzymes, which affects how medications are processed in the body. In neonates, for instance, the activity of Phase I enzymes—critical for the initial breakdown of drugs—is markedly reduced, functioning at just 20–40% of the levels seen in adults. This reduction poses a challenge in...

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Understanding the physiological differences in the pediatric population is crucial for effective pharmacotherapy. Neonates, infants, and children exhibit significant variations in gastric pH, gastric emptying time, intestinal transit time, and biliary function. These variations profoundly affect oral drug absorption, necessitating a nuanced approach to pediatric dosing.Neonates present with a unique physiological profile, having a gastric pH greater than 4 and faster and more irregular gastric...

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Drug distribution in the pediatric population exhibits unique challenges and considerations due to the physiological differences between children, particularly neonates and infants, and adults. A crucial aspect of pediatric pharmacology is understanding how these differences impact the pharmacokinetics of various drugs, necessitating age-specific dosing strategies to ensure efficacy and safety.Neonates and infants have a higher total body water content, ~75%–90% of their body weight, compared...

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Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy

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Pediatric cefepime neurotoxicity.

Lindsay C Landgrave¹, John L Lock, J Maria Whitmore

¹Department of Pharmacy, St. Vincent Hospital, Indianapolis, Indiana, USA.

Pediatric Neurology

|November 7, 2012

Summary

This summary is machine-generated.

Cefepime toxicity can cause confusion and decreased responsiveness. A case report details a child experiencing acute encephalopathy due to high cefepime levels with kidney failure.

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Area of Science:

Neuroscience
Pharmacology
Nephrology

Background:

Cefepime is a commonly used antibiotic.
Renal impairment can affect drug clearance.
Neurological adverse effects of cefepime are known.

Observation:

A 14-year-old female patient presented with acute renal failure.
The patient developed altered mental status, confusion, and decreased responsiveness.
Supratherapeutic concentrations of cefepime were detected.

Findings:

The patient's neurological symptoms were consistent with cefepime toxicity.
Acute encephalopathy was diagnosed in association with cefepime accumulation.
This represents a potential case of drug-induced neurotoxicity in a pediatric patient with renal failure.

Implications:

Clinicians should monitor cefepime levels in pediatric patients with renal impairment.
Early recognition of cefepime neurotoxicity is crucial for prompt management.
This case highlights the importance of considering drug toxicity in altered mental status in children with kidney disease.