• C Jerez, A M Ullán, and J J Lázaro.
• Unidad de Cirugía Ambulatoria, Hospital Materno-Infantil Sant Joan de Déu, Esplugues de Llobregat, Barcelona, España. Electronic address: cjerez@hsjdbcn.org.
• Rev Esp Anestesiol Reanim. 2016 Jun 1; 63 (6): 320-6.

Introduction And ObjectiveTo minimise preoperative stress and increase child cooperation during induction of anaesthesia is one of the most important perioperative objectives. The modified Yale Preoperative Anxiety Scale was developed to evaluate anxiety. The aim of this study was to translate into Spanish, and validate the psychometric properties of the Spanish version of this scale.Material And MethodsThe Spanish translation of the scale was performed following the World Health Organisation guidelines. During induction of anaesthesia, 81 children aged 2 to 12 years were recorded. Two observers evaluated the recordings independently. Content validity index of modified Yale Preoperative Anxiety Scale Spanish version was assessed. Weighted Kappa was calculated to measure interobserver agreement, and the Pearson correlation between the Induction Compliance Checklist and the modified Yale Preoperative Anxiety Scale was determined.ResultsThe Spanish version obtained high content validity (0.91 to 0.98). Reliability analysis using weighted Kappa statistics revealed that interobserver agreement ranged from 0.54 to 0.75. Concurrent validity was high (r=0.94; P<.001).ConclusionsValidated assessment tools are needed to evaluate interventions to reduce child preoperative anxiety. The Spanish version of the modified Yale Preoperative Anxiety Scale evaluated in this study has shown good psychometric properties of reliability and validity.Copyright © 2015 Sociedad Española de Anestesiología, Reanimación y Terapéutica del Dolor. Publicado por Elsevier España, S.L.U. All rights reserved.

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