Publication date: Available online 8 March 2018
Source:Acta Otorrinolaringológica Española
Author(s): Rafael Barona-de-Guzmán, Claudio Krstulovic-Roa, Elena Donderis-Malea, Luz Barona-Lleó
Introducción y objetivosLa 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 métodoSe 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.ResultadosDurante 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.ConclusionesLa 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.Introduction and objectivesThe 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 methodA caloric vestibular test with cold water was performed on 30 healthy subjects. The following physiological parameters were monitored during the 60seconds prior to and the 60seconds 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.ResultsSkin 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.ConclusionsSkin 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.
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Πέμπτη 8 Μαρτίου 2018
Valoración de la reacción emocional provocada por la prueba vestibular calórica mediante monitorización de variables fisiológicas
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