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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

155
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...
155
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...
177
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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Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

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The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
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Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

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Pediatric patient dosages diverge from adults due to disparities in body surface area, total body water, and extracellular fluid per kilogram of body weight. The dosing regimen considers the variations in pharmacokinetics and pharmacology across distinct age groups, encompassing preterm newborns, infants, young children, older children, and adolescents. Calculation of pediatric patient doses is predicated on determining body surface area, which exhibits a superior correlation with the child's...
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Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

Pharmacokinetics in Pediatric Patients: Drug Distribution

214
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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Related Experiment Video

Updated: Jan 2, 2026

Generation of Hypoparathyroid Rats via Carbon-Nanoparticle-Assisted Parathyroidectomy
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Update on pediatric hyperthyroidism.

Paul B Kaplowitz1, Priya Vaidyanathan

  • 1Division of Endocrinology, Children's National Health System, George Washington University School of Medicine and Health Sciences, Washington, District of Columbia, USA.

Current Opinion in Endocrinology, Diabetes, and Obesity
|December 3, 2019
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Summary

Recent studies show increasing hyperthyroidism incidence in children, with long-term medical therapy proving safe and effective. Higher radioiodine ablation doses may improve outcomes for pediatric hyperthyroidism management.

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Area of Science:

  • Pediatric Endocrinology
  • Thyroid Disorders
  • Clinical Research

Background:

  • Hyperthyroidism in children, including neonates, requires updated epidemiological and management insights.
  • Graves' disease epidemiology needs further investigation.

Purpose of the Study:

  • To review recent studies on pediatric hyperthyroidism epidemiology and management.
  • To highlight new data on treatment effectiveness and safety.

Main Methods:

  • Review of recent studies on hyperthyroidism in children.
  • Analysis of data on medical therapy, radioiodine ablation, and surgical interventions.
  • Evaluation of predictive markers for neonatal hyperthyroidism.

Main Results:

  • Evidence suggests increasing hyperthyroidism incidence in children, with differing age-related trends in males and females.
  • Long-term medical therapy (up to 10 years) is effective and safe.
  • Higher weight-based doses of I-131 for radioiodine ablation (250 μCI/g) may increase hypothyroidism rates and reduce repeat treatments.
  • Maternal/neonatal TSH receptor antibodies and neonatal TSH levels predict neonatal hyperthyroidism.

Conclusions:

  • Long-term medical therapy should be considered for compliant pediatric patients.
  • Optimized radioiodine ablation dosing (250 μCI/g) is recommended for better outcomes.
  • Further research into Graves' disease epidemiology is warranted.