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Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

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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Pharmacokinetics in Pediatric Patients: Drug Distribution

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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Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

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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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A Patient-Derived Xenograft Model for Venous Malformation
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Pediatric vasculitis.

Ezgi Deniz Batu1, Seza Ozen

  • 1Department of Pediatrics, Hacettepe University Children's Hospital, Sıhhiye, Ankara, 06100, Turkey. ezgidenizbatu@yahoo.com

Current Rheumatology Reports
|January 11, 2012
PubMed
Summary

Childhood vasculitis, rare except for Henoch-Schönlein purpura and Kawasaki disease, involves complex etiopathogenesis. This review summarizes recent classification, pathophysiology, and treatment for these rare inflammatory conditions.

Area of Science:

  • Pediatric Rheumatology
  • Immunology
  • Vascular Medicine

Background:

  • Primary systemic vasculitides in children are rare, with Henoch-Schönlein purpura and Kawasaki disease being notable exceptions.
  • The exact causes (etiopathogenesis) of most childhood vasculitides remain unclear, though infectious triggers in susceptible individuals are suspected.
  • Clinical presentations vary based on affected organs and vessel involvement, alongside constitutional symptoms.

Purpose of the Study:

  • To review recent advancements in the classification criteria for childhood vasculitides.
  • To summarize current understanding of the pathophysiologic pathways involved.
  • To outline adapted treatment protocols for pediatric vasculitis.

Main Methods:

  • Literature review focusing on recent studies and guidelines.

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  • Synthesis of data on classification, pathogenesis, and treatment of childhood vasculitides.
  • Adaptation of adult treatment data for pediatric cases.

    • Main Results:

    • Recent classification criteria have been validated for pediatric vasculitides.
    • Environmental factors, particularly infections, are implicated in triggering inflammatory responses.
    • Treatment strategies often rely on adult study data due to the rarity of these conditions in children.

    Conclusions:

    • Understanding and classifying childhood vasculitides have improved with recent criteria validation.
    • Further research into etiopathogenesis is needed to elucidate triggers and mechanisms.
    • Treatment protocols require careful adaptation from adult studies for effective pediatric management.