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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

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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,...
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Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

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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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Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

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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...
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Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

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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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Comprehensive Autopsy Program for Individuals with Multiple Sclerosis
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Pediatric multiple sclerosis.

Sunita Venkateswaran1, Brenda Banwell

  • 1Hospital for Sick Children, University of Toronto, Toronto, Ontario, Canada M5G 1X8.

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Pediatric multiple sclerosis (MS) is an increasingly recognized acquired neurologic disease in children, requiring early diagnosis and specialized care. This review covers diagnosis, treatment, and ongoing research for childhood MS.

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Area of Science:

  • Neurology
  • Pediatrics
  • Immunology

Background:

  • Pediatric multiple sclerosis (MS) is increasingly identified as a significant acquired neurologic disease in children.
  • Once considered rare, it now requires prompt recognition and intervention.

Purpose of the Study:

  • To provide a comprehensive review of acquired central nervous system demyelination in children.
  • To discuss diagnostic approaches, epidemiology, pathobiology, and treatment strategies for pediatric MS.

Main Methods:

  • Review of current terminology for acquired central nervous system demyelination in children.
  • Analysis of pertinent investigations, including MRI and cerebrospinal fluid studies.
  • Discussion of differential diagnosis for pediatric MS.

Main Results:

  • The review covers diagnostic criteria, imaging, and CSF studies for pediatric MS.
  • Epidemiology and pathobiology of childhood MS are discussed.
  • An algorithm for acute demyelination episodes and chronic immunomodulatory therapies is presented.

Conclusions:

  • Pediatric MS presents unique diagnostic challenges compared to adult MS.
  • Specialized multidisciplinary care is essential for optimal management of childhood MS.
  • Collaborative studies are ongoing to further understand MS pathogenesis.