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Propofol-Based Procedural Sedation with or without Low-Dose Ketamine in Children.

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Adding ketamine to propofol sedation in children significantly reduced recovery time. Both propofol-only and ketamine plus propofol approaches were equally effective and safe for pediatric deep sedation procedures.

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Area of Science:

  • Pediatric Anesthesiology
  • Procedural Sedation
  • Pharmacology

Background:

  • Propofol is widely used for pediatric deep sedation.
  • Its use as a nonanalgesic agent for procedures is debated.
  • Two sedation protocols are employed: propofol-only (P-O) and ketamine plus propofol (K+P).

Purpose of the Study:

  • To compare the dosing, efficacy, and safety of P-O versus K+P for deep sedation in children.
  • To evaluate the impact of ketamine addition on sedation parameters.

Main Methods:

  • Retrospective evaluation of 754 pediatric patients undergoing procedural sedation.
  • Patients received either P-O or K+P sedation.
  • Data collected included sedation doses, procedure time, and recovery time.

Main Results:

  • No significant difference in age or weight between the 372 P-O and 382 K+P patients.
  • A combined hypoxia incidence of 16% was observed.
  • K+P group had longer procedure times (18.7 vs 15.1 min) but shorter recovery times (17.0 vs 22.2 min) compared to P-O.
  • Mean propofol dose was lower in the K+P group (0.28 vs 0.40 mg/kg/min).

Conclusions:

  • Both P-O and K+P sedation approaches are well-tolerated and effective in pediatric patients.
  • Addition of ketamine to propofol is associated with reduced recovery time.
  • Decreased propofol requirement in the K+P group likely explains the shorter recovery.