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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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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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Pediatric Withdrawal Identification and Management.

Katherine T Whelan1, Maura K Heckmann2, Patricia A Lincoln3

  • 1Division of Cardiac Intensive Care, Department of Cardiovascular/Critical Care Nursing, Boston Children's Hospital, Boston, Massachusetts, United States.

Journal of Pediatric Intensive Care
|May 22, 2019
PubMed
Summary

Prolonged sedation in pediatric intensive care units can lead to withdrawal symptoms. This review covers opioid, benzodiazepine, and dexmedetomidine withdrawal signs, symptoms, and management strategies for critically ill children.

Keywords:
dexmedetomidine withdrawalpediatric benzodiazepine withdrawalpediatric narcotic withdrawalpediatric withdrawal

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Area of Science:

  • Pediatric Critical Care Medicine
  • Pharmacology
  • Neuroscience

Background:

  • Continuous intravenous sedation is standard in pediatric intensive care units (PICUs) for critically ill children.
  • Prolonged sedative use, including opioids and benzodiazepines, can precipitate withdrawal syndromes upon abrupt cessation or rapid weaning.
  • Dexmedetomidine is also used, and its withdrawal potential requires consideration.

Purpose of the Study:

  • To review common signs and symptoms of withdrawal from opioids, benzodiazepines, and dexmedetomidine in pediatric patients.
  • To discuss objective tools for measuring sedative withdrawal.
  • To outline current strategies for preventing and managing withdrawal syndromes in the PICU.

Main Methods:

  • Literature review of studies on sedative withdrawal in pediatric populations.
  • Analysis of reported signs, symptoms, and assessment tools for withdrawal.
  • Synthesis of evidence-based prevention and management guidelines.

Main Results:

  • Opioid, benzodiazepine, and dexmedetomidine withdrawal present with distinct but sometimes overlapping clinical manifestations.
  • Objective measurement tools are available but require careful application in diverse pediatric populations.
  • Multifaceted strategies involving gradual weaning, pharmacological interventions, and supportive care are crucial for effective management.

Conclusions:

  • Sedative withdrawal is a significant concern in PICU patients requiring prolonged sedation.
  • Early recognition and proactive management are essential to minimize patient distress and optimize outcomes.
  • Further research into standardized assessment tools and optimized weaning protocols is warranted.