Effectiveness of preoperative sedation with rectal midazolam, ketamine, or their combination in young children

Area of Science:

• Pediatric Anesthesiology
• Pharmacology
• Pain Management

Background:

• Preoperative sedation in pediatric patients is crucial for facilitating separation and procedures.
• Rectal administration offers a non-invasive route for sedation in young children.

Purpose of the Study:

• To compare the efficacy of three rectal sedation regimens for preoperative parental separation and IV cannulation in children.
• To evaluate the impact of midazolam and ketamine combinations on pediatric procedural anxiety and success.

Main Methods:

• A randomized controlled trial involving 100 children aged 3.0 +/- 1.7 years.
• Four groups received rectal midazolam-ketamine-atropine (M-K-A), midazolam-atropine (M-A), ketamine-atropine (K-A), or atropine (A) alone.
• Outcomes assessed included ease of parental separation and success/comfort during IV cannulation.

Main Results:

• M-K-A and M-A groups showed significantly better parental separation than K-A and A groups.
• IV cannulation success rates were higher in M-A (80%) and M-K-A (84%) groups.
• Children in M-A and M-K-A groups experienced significantly less crying during IV placement compared to K-A and A groups.

Conclusions:

• Rectal midazolam, with or without ketamine, is effective for improving parental separation and IV cannulation in pediatric patients.
• While effective, midazolam may be associated with prolonged recovery times.
• This rectal sedation approach is beneficial when IV access is needed prior to anesthesia induction.