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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Drug Distribution01:17

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...
Drug Dosing: Infants and Children01:29

Drug Dosing: Infants and Children

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

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

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

Pharmacokinetics in Pediatric Patients: Drug Metabolism

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...
Drug Accumulation During Multiple Dosing: Intermittent IV Infusions01:24

Drug Accumulation During Multiple Dosing: Intermittent IV Infusions

Intermittent intravenous (IV) infusion is a method of drug administration where medications are delivered over short infusion periods followed by intervals of no drug delivery. This approach helps to prevent sustained high drug concentrations in the bloodstream, reducing the risk of adverse effects associated with prolonged exposure. Unlike continuous infusion, steady-state concentrations may not be achieved during a single dosing cycle but can be reached through repeated...

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Related Experiment Videos

Variability in Vasoactive Medication use Across Pediatric Intensive Care Units: A PICU Data Collaborative Study,

Stephanie R Brown1, Julia A Heneghan2, Colleen Badke3

  • 1Department of Pediatrics (Critical Care Medicine), Emory University School of Medicine, Atlanta, GA, US.

Journal of Intensive Care Medicine
|June 13, 2026
PubMed
Summary
This summary is machine-generated.

Vasoactive infusion use varies significantly across pediatric and cardiac intensive care units. This study highlights practice differences in medication selection and frequency, underscoring the need for outcome-based research.

Keywords:
critical caredata sciencepediatricsshockvasoconstrictor agents

Related Experiment Videos

Area of Science:

  • Pediatric critical care medicine
  • Clinical pharmacology
  • Healthcare quality and safety

Background:

  • Vasoactive medication use is prevalent in pediatric intensive care units (PICUs).
  • Limited evidence exists to guide vasoactive medication selection, potentially leading to practice variations.
  • Understanding current prescribing patterns is crucial for improving patient care.

Purpose of the Study:

  • To describe the utilization patterns of vasoactive infusions across different pediatric intensive care units (PICUs) and cardiac intensive care units (CICUs).
  • To identify variations in the frequency and type of vasoactive medications administered.
  • To establish a baseline for future research on the impact of practice variability.

Main Methods:

  • Retrospective cohort study utilizing the multi-institutional Pediatric PICU Data Collaborative (PDC) database.
  • Inclusion criteria: Patients admitted to participating PICUs or CICUs between 2010 and 2022 who received vasoactive infusions within 7 days of admission.
  • Data analysis focused on frequency of use, types of medications, and differences between ICU types and sites.

Main Results:

  • Vasoactive infusions were administered in 22% of 75,953 ICU encounters.
  • Cardiac ICU (CICU) encounters represented 20% of all encounters but accounted for 60% of vasoactive infusion use.
  • Milrinone (63%) and epinephrine (59%) were the most common agents, with statistically significant site-specific variations in use (P < 0.001).

Conclusions:

  • Significant variability exists in the frequency and selection of vasoactive infusion medications between different intensive care unit (ICU) sites and types (PICU vs. CICU).
  • Further research is warranted to investigate the clinical impact of this observed practice variability on patient outcomes.
  • The findings emphasize the need for evidence-based guidelines to standardize care and optimize vasoactive medication management.