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Thiopental attenuates dysrhythmias in children: comparison of induction regimens

J M Badgwell1, M Cunliffe, J Lerman

  • 1Department of Anaesthesia, Hospital for Sick Children, Toronto, Ontario, Canada.

Texas Medicine
|February 1, 1990
PubMed

Insights

Thiopental induction for pediatric anesthesia significantly reduces cardiac dysrhythmias compared to halothane. Combining halothane with thiopental also lowers dysrhythmia incidence in children.

Area of Science:

  • Anesthesiology
  • Pediatric Medicine
  • Cardiology

Background:

  • Cardiac dysrhythmias are a concern during pediatric anesthesia induction.
  • Different anesthetic agents may influence cardiac rhythm stability in children.

Purpose of the Study:

  • To compare the incidence of cardiac dysrhythmias among three pediatric anesthesia induction regimens.
  • To evaluate the role of thiopental in mitigating dysrhythmias during anesthesia induction.

Main Methods:

  • A study involving 91 children undergoing anesthesia induction.
  • Three induction regimens were used: thiopental, atropine, and succinylcholine (T group); halothane, atropine, and succinylcholine (H group); and halothane, thiopental, atropine, and succinylcholine (H/T group).

Main Results:

  • The halothane group (H) showed a significantly higher incidence of dysrhythmias (85%) compared to the thiopental group (T) (6%) and the halothane/thiopental group (H/T) (20%).
  • The H/T group experienced fewer dysrhythmias than the H group, despite similar prolonged QTc intervals.

Conclusions:

  • Induction of anesthesia with thiopental is appropriate for children and reduces cardiac rhythm disturbances.
  • Administering thiopental during halothane-based anesthesia induction may further decrease the incidence of cardiac dysrhythmias in pediatric patients.

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