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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Excretion01:26

Pharmacokinetics in Pediatric Patients: Drug Excretion

214
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...
214
Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

276
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,...
276
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

200
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...
200
Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

261
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...
261

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Related Experiment Video

Updated: Jan 25, 2026

Making MR Imaging Child's Play - Pediatric Neuroimaging Protocol, Guidelines and Procedure
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Neuroimaging in Pediatric Hydrocephalus.

Pradeep Krishnan1, Charles Raybaud2, Sunitha Palasamudram3

  • 1Department of Neuroradiology, The Hospital for Sick Children, 555 University Avenue, Toronto, M5G1X8, Canada. pradeep.krishnan@sickkids.ca.

Indian Journal of Pediatrics
|May 12, 2019
PubMed
Summary

Neuroimaging, particularly MRI, aids in understanding pediatric and fetal hydrocephalus mechanisms and causes. This review explores MRI

Keywords:
FetalHydrocephalusMRIPediatric

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Area of Science:

  • Neuroimaging
  • Pediatric Neurology
  • Fetal Medicine

Background:

  • Conventional imaging (US, CT, MRI) assesses ventricular enlargement in hydrocephalus.
  • Understanding underlying mechanisms and management remains challenging in pediatric and fetal cases.

Purpose of the Study:

  • To review the role of neuroimaging, especially MRI, in evaluating pediatric and fetal hydrocephalus.
  • To explore pathophysiologic mechanisms and etiologies.
  • To highlight MRI's utility in diagnosis and follow-up.

Main Methods:

  • Review of literature focusing on neuroimaging techniques.
  • Analysis of MRI sequences for diagnosis and monitoring.
  • Correlation of imaging findings with pathophysiologic mechanisms and etiology.

Main Results:

  • MRI provides crucial functional and anatomical information.
  • It helps define the nature of cerebrospinal fluid (CSF) pathway obstruction.
  • MRI aids in understanding diverse causal factors in hydrocephalus.

Conclusions:

  • Neuroimaging, particularly MRI, is vital for diagnosing and managing pediatric and fetal hydrocephalus.
  • MRI enhances understanding of hydrocephalus pathogenesis.
  • It offers a non-invasive, standardized approach for assessment and treatment efficacy evaluation.