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MINERVA ANESTESIOLOGICA

Rivista di Anestesia, Rianimazione, Terapia Antalgica e Terapia Intensiva


Official Journal of the Italian Society of Anesthesiology, Analgesia, Resuscitation and Intensive Care
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Minerva Anestesiologica 2013 December;79(12):1389-95

Copyright © 2013 EDIZIONI MINERVA MEDICA

lingua: Inglese

Validation of visual analogue scale for anxiety (VAS-A) in preanesthesia evaluation

Facco E. 1, Stellini E. 2, Bacci C. 2, Manani G. 1, Pavan C. 3, Cavallin F. 4, Zanette G. 1

1 Cattedra di Anestesiologia Generale e Speciale Odontostomatologica, Dipartimento di Neuroscienze, Scienze Neurologiche, Psichiatriche, Sensoriali, Ricostruttive e Riabilitative, Università di Padova, Italy;
2 Sez. di Clinica Odontoiatrica, Dipartimento di Neuroscienze, Scienze Neurologiche, Psichiatriche, Sensoriali, Ricostruttive e Riabilitative, Università di Padova, Italy;
3 Sez. di Clinica Psichiatrica, Dipartimento di Neuroscienze, Scienze Neurologiche, Psichiatriche, Sensoriali, Ricostruttive e Riabilitative, Università di Padova, Italy;
4 Free Practitioner, Padova, Italy


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Background: Anxiety is a relevant but still underscored perioperative problem. The Visual Analogue Scale for Anxiety (VAS-A) seems to be effective, fast and manageable, but has not been fully validated yet. The aim of this study is to validate VAS-A comparing it to, Corah’s Dental Anxiety Scale (CDAS) Spielberger’s State Trait Anxiety Inventory (STAI) and Beck Depression Inventory (BDI).
Methods: One hundred consecutive patients (38 males and 62 females, median age 49 years) submitted to oral surgery filled out the VAS-A, CDAS, STAI forms Y1 and Y2, and BDI at preoperative examination; the order of administration of tests was randomized.
Results: VAS-A score was significantly correlated to CDAS (P<0.0001), STAI-Y1 (P<0.0001), STAI-Y2 (P<0.002) but not to BDI (P=0.18). ROC curve analysis suggested VAS-A equal to 46 mm as threshold for anxiety when using STAI Y1 equal to 40 as reference cutoff.
Conclusion: Our study confirms that VAS-A is a reliable indicator of preoperative anxiety and may detect patients with depressive symptoms also. Values of VAS-A around 50 mm are a reliable threshold for a clinically meaningful level of preoperative anxiety.

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enrico.facco@unipd.it