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Pre-operative anxiolysis in children through a combined pharmacological therapy with hydroxyzine and a non-pharmacological distraction technique with a clown (SONRISA): study protocol for randomised double-blind clinical trial

Authors
  • Aleo Luján, Esther1, 2
  • Lopez-Picado, Amanda3
  • Rivas, Ana3, 2
  • Joyanes Abancens, Belén1, 2
  • Rodríguez Rojo, Marina Laura1
  • Fernández García, Patricia1
  • Soto Beauregard, Carmen2, 3
  • Rodríguez Alarcón, Jaime3, 4
  • González Perrino, Carlos3
  • San Pedro de Urquiza, Borja3
  • Arias, Eva1
  • Rodriguez, Diamelis1
  • Esteban Polonio, Carmen3
  • Torrejón, Maria José3
  • 1 Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), C/ Profesor Martin Lagos s/n, Madrid, 28040, Spain , Madrid (Spain)
  • 2 Universidad Complutense de Madrid, Madrid, Spain , Madrid (Spain)
  • 3 Instituto de Investigación Sanitaria del Hospital Clínico San Carlos (IdISSC), Madrid, Spain , Madrid (Spain)
  • 4 Facultad de Medicina Universidad Francisco de Vitoria, Madrid, Spain , Madrid (Spain)
Type
Published Article
Journal
Trials
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Jan 02, 2020
Volume
21
Issue
1
Identifiers
DOI: 10.1186/s13063-019-3906-2
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundSurgery can generate significant stress and anxiety in up to 70% of the paediatric population. There are several pharmacological and non-pharmacological strategies to reduce pre-operative anxiety in children, however, they have several side effects and the available information about them is contradictory. The role of clowns and hydroxyzine in the management of anxiety is controversial, with some studies supporting and others contraindicating both strategies.MethodsWe propose a randomised double-blind, controlled clinical trial that will evaluate the effectiveness of both interventions (hydroxyzine and clowns), alone or in combination, to reduce pre-operative anxiety (using the modified Yale scale of preoperative anxiety) in children aged 2–16 years undergoing outpatient surgery (n = 188).Subjects will be randomised into two groups – (1) standard procedure (parental accompaniment) combined with placebo or (2) standard procedure combined with preoperative hydroxyzine. After randomisation, they will be divided by chance into two further groups, depending on the presence of clowns on the patient’s surgery day. Control of pre-operative anxiety will be determined in the four groups by a modified Yale scale of preoperative anxiety and cortisol levels. Compliance of children during induction of anaesthesia, time until anaesthesia recovery, presence of postoperative delirium and use of analgesia until discharge will be also assessed. For additional information, the children, parents and healthcare professionals involved in the study will complete a satisfaction survey.ConclusionsThis study aims to gather evidence on which of these four therapeutic options achieves the highest reduction of pre-operative anxiety with the best safety profile to allow paediatricians and anaesthesiologists to use the most effective and safe option for their patients.Trial registrationClinicalTrials.gov identifier: NCT03324828. Registered 21 September 2017.

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