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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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Treatment for a fracture is based on the type of break, the bone affected, and the patient's age.
Minor fractures with no bone displacement are treated by immobilizing the fractured bone using a cast or splint. However, in the case of fractures with displaced bones, the broken bones are repositioned before immobilization to ensure successful healing without deformation and loss of function. The realignment of fractured bone ends is performed through a process called reduction. If the...
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Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

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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: Drug Excretion01:26

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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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Drug Dosing: Infants and Children01:29

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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: Overview and Drug Absorption01:23

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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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Pediatric Sports Injuries.

Jonathan D Samet1

  • 1Pediatric Musculoskeletal Radiology, Department of Medical Imaging, Ann & Robert H. Lurie Children's Hospital of Chicago, Northwestern University Feinberg School of Medicine, 225 East Chicago Avenue, Chicago, IL 60614, USA.

Clinics in Sports Medicine
|September 12, 2021
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Pediatric sports injuries are rising, leading to increased imaging needs. This review details unique pediatric bone features and common joint injuries, highlighting key radiologic findings across multiple imaging modalities.

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Musculoskeletal radiologyPediatric MSKPhysis

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Area of Science:

  • Orthopedics
  • Radiology
  • Pediatric Sports Medicine

Background:

  • Increasing prevalence of sports participation among children leads to a rise in pediatric sports injuries.
  • The unique anatomical and physiological characteristics of the pediatric skeleton, including the growth plate, apophyses, cortex, and periosteum, result in distinct injury patterns.
  • Radiologic evaluation is crucial for diagnosing and managing these injuries.

Purpose of the Study:

  • To review the unique features of the pediatric skeleton relevant to sports injuries.
  • To describe common pediatric sports injuries and conditions affecting the elbow, hip, and knee.
  • To outline a multimodality imaging approach for evaluating these injuries and highlight key radiologic findings.

Main Methods:

  • Review of pediatric bone anatomy and unique features (growth plate, apophyses, cortex, periosteum).
  • Discussion of common pediatric sports injuries in the elbow, hip, and knee.
  • Description of imaging appearances using radiographs, CT, ultrasound, and MRI.

Main Results:

  • Unique injury patterns in the pediatric skeleton are influenced by specific anatomical structures.
  • Common pediatric sports injuries in the elbow, hip, and knee have characteristic imaging findings.
  • A multimodality imaging approach provides comprehensive evaluation of pediatric sports injuries.

Conclusions:

  • Understanding the pediatric skeleton's unique features is essential for interpreting sports injury imaging.
  • Recognizing specific radiologic findings across various joints aids in accurate diagnosis.
  • Multimodality imaging is key to effectively managing pediatric sports injuries.