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Vol. 69. Issue 5.
Pages 283-290 (September - October 2018)
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Vol. 69. Issue 5.
Pages 283-290 (September - October 2018)
Original Article
Emotional Reaction Evaluation Provoked by the Vestibular Caloric Test Through Physiological Variables Monitoring
Valoración de la reacción emocional provocada por la prueba vestibular calórica mediante monitorización de variables fisiológicas
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Rafael Barona-de-Guzmána, Claudio Krstulovic-Roaa, Elena Donderis-Maleab, Luz Barona-Lleóa,
Corresponding author
luzbaronalleo@gmail.com

Corresponding author.
a Clínica ORL Barona y Asociados, Hospital Casa de Salud, Valencia, Spain
b Universidad Católica de Valencia, Valencia, Spain
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Tables (2)
Table 1. Changes Which Have Occurred in Healthy Subjects During the First Vertigo Crisis.
Table 2. Changes in Healthy Subjects During the Second Vertigo Crisis.
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Abstract
Introduction and objectives

The emotional evaluation of the causes of vertigo is made using the clinical records and several subjective questionnaires. The aim of the present study is to evaluate the emotional response objectively, in normal subjects, during an induced vertigo crisis.

Material and method

A caloric vestibular test with cold water was performed on 30 healthy subjects. The following physiological parameters were monitored during the 60s prior to and the 60s after the stimulation: Skin Conductivity, Peripheral Pulse Volume, Body Temperature, Muscle Contraction, Heart Rate, and Respiratory Rate. The maximum angular speed of the nystagmus slow phase at each stimulation was assessed.

Results

Skin conductance presented a statistically significant increase during the vertigo crisis in relation to the prior period while the peripheral pulse volume presented a statistically significant decrease. There was no relationship between the slow phase of the provoked nystagmus angular speed and skin conductance and peripheral pulse volume changes. The decrease in peripheral pulse volume was significantly higher in the second vertigo crisis.

Conclusions

Skin conductance and peripheral pulse volume changed significantly during a vertigo crisis. There was no relation between the provoked vertiginous crisis intensity and the changes produced in those variables. The stress generated by the caloric stimulation is higher in the second crisis, when the subject has experience of the vertigo caused by the stimulation.

Keywords:
Vertigo
Stress
Emotion
Caloric nystagmus
Autonomic nervous system
Resumen
Introducción y objetivos

La valoración emocional que provoca el vértigo se realiza mediante la historia clínica y diversos cuestionarios subjetivos. El objetivo del presente trabajo es valorar la respuesta emocional de forma objetiva, en sujetos normales, durante la crisis de vértigo inducida.

Material y método

Se realizó la prueba vestibular calórica con agua fría en 30 sujetos sanos. Durante los 60s previos a la estimulación y los 60s posteriores a la misma se monitorizaron las siguientes variables fisiológicas: Conductabilidad cutánea, Volumen de pulso periférico, Temperatura corporal, Contracción muscular, Frecuencia cardiaca y Frecuencia respiratoria. Se valoró la velocidad angular máxima de la fase lenta del nistagmo provocado en cada estimulación.

Resultados

Durante las crisis de vértigo, la conductabilidad cutánea presentó un aumento estadísticamente significativo con relación al periodo previo a las mismas, mientras que el volumen de pulso periférico presentó una disminución estadísticamente significativa. No hubo relación entre la velocidad angular de la fase lenta del nistagmo provocado y los cambios de la conductabilidad y el volumen de pulso periférico. La disminución provocada en el volumen de pulso periférico fue significativamente mayor en la segunda crisis de vértigo.

Conclusiones

La conductabilidad cutánea y el volumen de pulso periférico cambiaron de forma significativa durante las crisis de vértigo. No Hubo relación entre la intensidad de la crisis vertiginosa provocada y los cambios producidos en estas variables. El estrés generado por la estimulación calórica es mayor en la segunda crisis, cuando el sujeto tiene experiencia del vértigo que provoca la estimulación.

Palabras clave:
Vértigo
Estrés
Emoción
Nistagmo calórico
Sistema nervioso autónomo

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