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Vol. 68. Issue 2.
Pages 112-114 (March - April 2017)
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Vol. 68. Issue 2.
Pages 112-114 (March - April 2017)
Brief communication
DOI: 10.1016/j.otoeng.2017.02.006
Effect of the Stringency of Conditions on Caloric Test Results in Healthy Subjects
Efecto de la rigurosidad de las condiciones sobre los resultados de la prueba calórica en sujetos sanos
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Claudio Krstulovic
Corresponding author
claudio.krstulovic@outlook.com

Corresponding author.
, Bharti Tulsidas Mahtani, Nabil Atrache Al Attrache, Herminio Pérez-Garrigues
Servicio de Otorrinolaringología, Hospital Universitario La Fe, Valencia, Spain
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Table 1. Subjects’ Demographic Characteristics.
Table 2. Responses Observed in Each Condition, the Results Correspond to the Mean Slow Phase Velocity of Each Type of Irrigation (Measured in°/s).
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Abstract

The caloric test is widely used to assess vestibular function, but the conditions in which it is performed can vary. Caloric nystagmus obtained in 57 healthy subjects were compared: 24 subjects studied in ideal conditions and 33 subjects in non-ideal conditions. A statistically significant decrease in the slow phase velocity of the 4 irrigations performed on the subjects in non-ideal conditions was observed. This must be considered, especially in subjects with suspected bilateral involvement. Stringent conditions reduce the risk of misdiagnosis with bilateral deficit.

Keywords:
Caloric test
Noise
Caloric nystagmus
Resumen

La prueba calórica es una prueba ampliamente utilizada para evaluar la función vestibular, pero las condiciones en las cuales se realiza pueden variar. Se comparó el nistagmo calórico obtenido en 57 sujetos sanos: 24 sujetos estudiados en condiciones ideales y 33 sujetos estudiados en condiciones no ideales. Se Observó una disminución estadísticamente significativa de la velocidad de fase lenta en las cuatro irrigaciones realizadas a los sujetos del grupo de condiciones no ideales. Esto debe ser considerado sobre todo al sospechar afectaciones bilaterales. Ser rigurosos en las condiciones permite disminuir el riesgo de diagnóstico erróneo de déficit bilateral.

Palabras clave:
Prueba calórica
Ruido
Nistagmo calórico

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