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Pharmacokinetics in Pediatric Patients: Drug Excretion

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: Drug Metabolism

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...

Pharmacokinetics in Pediatric Patients: Drug Distribution

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,...

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

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...

Drug Dosing: Infants and Children

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...

Pharmacokinetic Models: Overview

Pharmacokinetic Models: Overview

Pharmacokinetic models utilize mathematical analysis to achieve a detailed quantitative understanding of a drug's life cycle within the body. They are instrumental in simulating a drug's pharmacokinetic parameters, predicting drug concentrations over time, optimizing dosage regimens, linking concentrations with pharmacologic activity, and estimating potential toxicity.
There are three primary types of models: empirical, compartment, and physiological. Empirical models, with minimal...

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Pediatric Pharmacy Services: Current Models and Justification for Expansion.

Stephen Webster, Christine Kane, Carly Brown

The Journal of Pediatric Pharmacology and Therapeutics : JPPT : the Official Journal of PPAG

|October 11, 2019

Summary

Many children's hospitals lack dedicated pediatric pharmacy services, impacting care quality and safety. This study surveyed hospitals to assess the current state and justify expanding these vital pharmacy services.

Keywords:

benchmarking inpatient pediatric hospitals pharmaceutical services pharmacists

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Area of Science:

Pediatric Pharmacy Practice
Hospital Pharmacy Operations
Healthcare Quality Improvement

Background:

Numerous health organizations recommend dedicated pediatric pharmacy services.
Many children's hospitals face challenges in establishing or expanding these services.
The current provision of pediatric pharmacy services in hospitals remains suboptimal.

Purpose of the Study:

To characterize the current state of dedicated pediatric operational and clinical pharmacy services.
To identify barriers and facilitators for pediatric pharmacy service expansion.
To provide justification for the expansion of pediatric pharmacy services.

Main Methods:

A survey was distributed to hospitals providing care to pediatric patients.
Data collected focused on the availability and scope of pediatric pharmacy services.
Analysis aimed to understand the current operational and clinical landscape.

Main Results:

A significant number of hospitals struggle with dedicated pediatric pharmacy services.
The survey revealed variability in the scope and availability of services.
Key areas for improvement in pediatric pharmacy operational and clinical services were identified.

Conclusions:

Expansion of pediatric pharmacy services is crucial for improving patient care.
Evidence-based justification, considering quality, safety, and financial impact, is needed.
Addressing current challenges can lead to enhanced pediatric healthcare outcomes.