Pediatric anesthesia & critical care

A randomized, double‐blind, dose‐controlled study of the use of dexmedetomidine alone for procedural sedation of children and adolescents undergoing MRI scans

Paediatr AnaesthPublished Randomised controlled trial

Primary result · Completed MRI without propofol rescueResult — go to the resultOdds ratio 10.29 95% CI 3.47–30.50

Authors' conclusion

Dexmedetomidine was well tolerated. The high dose was associated with meaningfully greater efficacy compared with lower doses.

Study context

Population
Children ≥1month-<17years undergoing MRI, stratified into Cohort A (≥1month-<2years) and Cohort B (≥2-<17years)
Participants
122 children
Comparison
High-dose vs Low-dose
  • High-dosen = 38
  • Middle-dosen = 42
  • Low-dosen = 42reference
Primary endpoint
Percentage completing MRI without rescue propofol, high vs low dose
Methodological detailsdouble-blind, dose-ranging, multicentre (USA and Japan), Recruited February 2020 to November 2021
  • Double-blind
  • Dose-ranging
  • Multicentre (USA and Japan)
  • Recruited February 2020 to November 2021

Primary result

Completed MRI without propofol rescue

Odds ratio

10.29

95% CI 3.47–30.50

P < 0.001

Events by treatment group

High-dose vs Low-dose
OR 10.29 (95% CI 3.47–30.50); P < 0.001

As reported in the abstract

Secondary outcomes

No propofol required, by age cohort (high vs low dose)

Similar results in both age cohorts

Safety

Adverse events

Most common: bradypnea, bradycardia, hypertension, hypotension; majority mild-to-moderate

Original publication

A randomized, double‐blind, dose‐controlled study of the use of dexmedetomidine alone for procedural sedation of children and adolescents undergoing MRI scans. Paediatr Anaesth. Published 16 February 2024. doi:10.1111/pan.14857

Composed by AI from the published abstract and checked against it. How Briefs are made →

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