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The use of dexmedetomidine in critically ill children

Angela S Czaja1, Jerry J Zimmerman

  • 1Department of Pediatrics, Critical Care Division, The Children's Hospital, University of Colorado, Denver, CO, USA. ashieh2002@yahoo.com

Pediatric Critical Care Medicine : a Journal of the Society of Critical Care Medicine and the World Federation of Pediatric Intensive and Critical Care Societies
|March 28, 2009
PubMed

Insights

Dexmedetomidine effectively reduced sedative needs in intubated children, decreasing benzodiazepine and opiate use. However, careful hemodynamic monitoring is crucial due to potential side effects like hypotension and bradycardia.

Area of Science:

  • Pediatric Intensive Care Medicine
  • Pharmacology
  • Critical Care

Background:

  • Sedation is essential for intubated children in the pediatric intensive care unit (PICU).
  • Dexmedetomidine is an alternative sedative agent with a different mechanism of action.
  • Evaluating its efficacy and safety in this population is important.

Purpose of the Study:

  • To assess the use of dexmedetomidine for sedating intubated children in a general medical/surgical PICU.
  • To quantify the reduction in other sedative medications (benzodiazepines and opiates) with dexmedetomidine use.
  • To identify potential adverse events associated with dexmedetomidine.

Main Methods:

  • Retrospective, observational study design.
  • Inclusion of 121 mechanically ventilated children who received dexmedetomidine infusions.
  • Data collection on dexmedetomidine dosage, duration, and concurrent sedative use.

Main Results:

  • Dexmedetomidine infusions led to significant reductions in benzodiazepine (42%) and opiate (36%) doses.
  • 70-73% of patients achieved at least a 20% reduction in these medications.
  • Hypotension or bradycardia occurred in 27% of patients, necessitating discontinuation in 10%.

Conclusions:

  • Dexmedetomidine can effectively reduce the need for other sedatives in mechanically ventilated children.
  • Close hemodynamic monitoring is essential due to potential side effects.
  • Further research may explore optimal dosing and patient selection.
Abstract

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