Related Experiment Video
Updated: Feb 14, 2026

Reducing State Anxiety Using Working Memory Maintenance
Published on: July 19, 2017
Anxiety during inhalation induction in paediatrics: Sitting versus supine position, a randomised trial
Benjamin Cohen1, Aude Thévenin2, Bénédicte Mille-Zemmoura2
1Department of Anaesthesiology and Critical care, CHRU de Tours, avenue de la République, 37170 Chambray-lès-Tours, France.
Study Objective:
We evaluated if the sitting or supine positions affect anxiety levels induced by the application of a facemask in children.
Design:
Prospective, randomised study.
Setting:
Paediatric hospital, operating room.
Patients:
Two to twelve years old children, 1-3 ASA status, undergoing inhalation anaesthesia for elective surgery.
Intervention:
Children were randomly assigned to a sitting or supine position. After monitoring equipment was established, inhalation was inducted by the application of the mask.
Measurements:
Child anxiety was then assessed with the modified Yale Preoperative Anxiety Scale (mYPAS) before the application of the facemask and following mask application.
Main Results:
Overall, 99 children in the sitting group and 103 in the supine group were analysed. The mYPAS score was not different in both groups before the application of facemask (40 [28-51] versus 40 [28-53]; P=0.99). It increased (P=0.005) to a similar extent in both groups following mask application without difference between groups (48 [38-60] versus 48 [35-63]; P=0.95). Side effects were not different between both groups.
Conclusion:
In children undergoing inhalation induction, sitting or supine positions did not modify anxiety induced by the application of a facemask, nor adverse effects; therefore, children should be allowed to choose their preferred position.
Related Concept Videos
Inhaled Medications
Anxiety: Overview
Individuals with anxiety often experience a range of physical and emotional symptoms, including sweating, trembling, tachycardia, and disturbances in sleep patterns. These symptoms vary in intensity and frequency but are generally disruptive and distressing.
Pulmonary Ventilation: Inhalation
Boyle's law becomes particularly pertinent when examining respiratory...
Trial and Error and Algorithm
Generalized Anxiety Disorder
Clinical Trials: Overview

