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Detecting wakefulness in anaesthetised children

G F Byers¹, J G Muir

¹Department of Paeditric Anaesthesia, Izaak Walton Killam-Grace Health Centre for Children, Women & Families, Halifax, Nova Scotia.

Canadian Journal of Anaesthesia = Journal Canadien D'Anesthesie

|May 1, 1997

Summary

The isolated forearm technique effectively detects wakefulness in children during anesthesia. This method is suitable for pediatric patients aged five and older, aiding in monitoring consciousness.

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Area of Science:

Anesthesiology
Pediatric Anesthesia
Neuroscience

Background:

Monitoring patient wakefulness during anesthesia is crucial for safety.
The isolated forearm technique offers a potential method for assessing consciousness in pediatric patients.

Purpose of the Study:

To evaluate the efficacy of the isolated forearm technique in identifying wakefulness in children aged 8 to 16 years.
To determine the minimum age for reliable detection of wakefulness using this method.

Main Methods:

Forty-one healthy children (8-16 years) received anesthesia induction with thiopentone.
A pneumatic tourniquet isolated one forearm before succinylcholine administration.
Wakefulness was assessed by instructing patients to move the unparalyzed arm.

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Main Results:

Nineteen point five percent of children demonstrated forearm movement in response to commands.
The youngest child to respond was five years old, indicating a lower age threshold.

Conclusions:

The isolated forearm technique is a viable method for detecting wakefulness in children during and after tracheal intubation.
This technique can be reliably employed in pediatric patients as young as five years old.