Cardiothoracic & vascular anesthesia

Dexmedetomidine and magnesium sulfate in preventing junctional ectopic tachycardia after pediatric cardiac surgery

Paediatr AnaesthPublished Randomised controlled trial

Authors' conclusion

Dexmedetomidine alone or combined with MgSO4 had a therapeutic role in the prevention of JET in children after congenital heart surgery.

Study context

Population
Children under 5 years, weighing more than 5 kg, scheduled for corrective acyanotic cardiac surgery
Participants
120 participants
Comparison
Dexmedetomidine plus MgSO4 or dexmedetomidine alone vs control
Primary endpoint
Detection of JET incidence
Methodological detailsthree-arm
  • Three-arm

Primary result

As reported in the abstract

JET incidence
  • Junctional ectopic tachycardia (JET) incidence significantly reduced in Group MD and Group D vs Group C
  • Group MD and Group D vs Group C: P = 0.007

Secondary outcomes

OutcomeP value
Ionized Mg (rewarming and ICU)Group MD vs Groups D and C · significantly higher in Group MDP < 0.001
Hemodynamic profile and predictive indexes, incl. extubation time, PCCU and hospital stayGroup MD vs Groups D and C · significantly better in Group MDP < 0.001

Hemodynamic profile and predictive indexes, incl. extubation time, PCCU and hospital stay

Better hemodynamic profile in Group MD vs Group D and Group C throughout surgery and in the ICU

Original publication

Dexmedetomidine and magnesium sulfate in preventing junctional ectopic tachycardia after pediatric cardiac surgery. Paediatr Anaesth. Published 25 January 2024. doi:10.1111/pan.14848

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