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Related Concept Videos

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption01:23

Pharmacokinetics in Pediatric Patients: Overview and Drug Absorption

240
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...
240
Pharmacokinetics in Pediatric Patients: Drug Metabolism01:24

Pharmacokinetics in Pediatric Patients: Drug Metabolism

189
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...
189
Prevention of Further Absorption of Poison01:14

Prevention of Further Absorption of Poison

1.2K
In cases of acute poisoning, the primary objective is to prevent further absorption of the toxic substance into the body. Immediate interventions using various decontamination techniques targeting the gastrointestinal (GI) tract can achieve this. Decontamination is crucial to prevent poison from entering the systemic circulation, which involves washing affected areas with water and mild soap and removing contaminated clothing. Once external decontamination is done, attention must be turned to...
1.2K
Anticholinesterase Agents: Poisoning and Treatment01:26

Anticholinesterase Agents: Poisoning and Treatment

1.5K
Anticholinesterases, also known as cholinesterase inhibitors, work by blocking the breakdown of acetylcholine, leading to its accumulation in the synaptic cleft. This accumulation indirectly enhances both muscarinic and nicotinic actions. These agents are classified as reversible or irreversible based on their mechanism of action.     
Irreversible agents form a strong bond with the cholinesterase enzyme, making it inactive. The breakdown of the phosphorylated enzyme is...
1.5K
Drug Delivery: Enteral Route01:18

Drug Delivery: Enteral Route

1.6K
The enteral drug administration involves three primary routes: oral, sublingual, and buccal. Oral ingestion is the most prevalent, safe, economical, and convenient method for drug administration. However, it has certain drawbacks, including limited absorption due to the drug's low water solubility or poor membrane permeability, possible emesis from GI mucosa irritation, destruction of drugs by digestive enzymes or low gastric pH, and irregular absorption along with food or other drugs.
1.6K
Enhanced Elimination of Poison01:26

Enhanced Elimination of Poison

854
Poison can be effectively removed from the gastrointestinal (GI) tract through various decontamination procedures.
Antidotes serve a crucial role in counteracting the effects of poison by inhibiting enzymes responsible for producing harmful drug metabolites. In some cases, these toxic metabolites can be neutralized by endogenous cosubstrates, which are maintained at specific concentrations to prevent interaction with cellular macromolecules and subsequent cell death.
Renal excretion is the...
854

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Related Experiment Videos

Does emergency medical services transport for pediatric ingestion decrease time to activated charcoal?

Rachel E Tuuri1, Leticia M Ryan, Jianping He

  • 1Division of Pediatric Emergency Medicine, Children's Memorial Hospital, Chicago, Illinois 60613, USA. rtuuri@childrensmemorial.org

Prehospital Emergency Care
|June 6, 2009
PubMed
Summary
This summary is machine-generated.

Emergency Medical Services (EMS) arrival did not speed up activated charcoal (AC) administration for pediatric patients. However, the sickest patients arriving via EMS received AC faster, indicating a need to improve prehospital and triage practices.

Related Experiment Videos

Area of Science:

  • Emergency Medicine
  • Pediatric Toxicology
  • Pharmacology

Background:

  • Activated charcoal (AC) is a crucial intervention for toxic ingestions, reducing toxin absorption by up to 75% when given within one hour.
  • Timely administration of AC is critical for maximizing its efficacy in pediatric patients presenting to emergency departments (EDs).

Purpose of the Study:

  • To evaluate if pediatric emergency department (ED) patients arriving by ambulance receive activated charcoal (AC) more quickly than those arriving by other means.
  • To identify factors influencing the time to AC administration in pediatric patients with toxic ingestions.

Main Methods:

  • Retrospective review of pediatric ED patients (0-18 years) from January 2000 to January 2006.
  • Data collected included age, gender, triage acuity, disposition, transportation mode, triage time, and AC administration time.
  • Analysis of variance (ANOVA) controlled for covariates to compare mean time intervals between transport groups.

Main Results:

  • Of 351 eligible patients, 118 (34%) arrived via emergency medical services (EMS).
  • Mean time from triage to AC administration was 65 minutes for EMS arrivals versus 70 minutes for alternative transport (p=0.59).
  • Critically ill patients arriving by EMS received AC significantly faster (42 minutes) than critically ill patients arriving by other means (67.8 minutes) (p=0.013).

Conclusions:

  • While the sickest patients benefit from faster AC administration when arriving via EMS, overall EMS arrival does not expedite AC delivery for all pediatric ED patients.
  • The time interval from triage to AC administration was frequently suboptimal, highlighting the need to reevaluate current triage and prehospital care practices.
  • Improvements in prehospital and ED triage protocols are necessary to ensure timely administration of activated charcoal for pediatric toxic ingestions.