PMID: 16503031Mar 1, 2006Paper

Reference values for the vestibulo-ocular reflex response to the head shaking and the bithermal caloric tests

Acta otorrinolaringológica española
M I MolinaJ A López-Escámez

Abstract

To obtain reference values for the vestibulo-ocular reflex response to the head-shaking nystagmus and the bithermal caloric test in the spanish population. A descriptive study. SET UP: General hospital. One hundred and seven healthy sex and age stratified voluntiers were included. The final sample included 97 individuals over 18 years of age. Spontaneous nystagmus (SN), head-shaking nystagmus (HSN) and caloric induced nystagmus were explored. The eyes movement was recorded by a video-oculographic system. The SN or HSN was considered significant when at least 6 consecutive beats with a slow phase velocity of 2 degrees/sec were detected. The caloric test was performed with water flow at 250mL/20 s at 30 degrees C and 44 degrees C with an interval of 10 minutes between irrigations. The percentage of canal paresis (CP) and directional preponderance (DP) was calculated using maximum slow phase velocity and the Jongkees index formula. Presence of SN, horizontal and vertical SHN, percentage of CP and DP. SN was found in 10,3% individuals (6 women and 4 men). Horizontal HSN was also observed in 9 women and 10 men (19,5%), and vertical HSN in 8 women and 10 men (18,6%). The mean and 95 percentil for CP were 13,10 and 28,60 in women and ...Continue Reading

Citations

Dec 5, 2014·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Eusebi Matiño-SolerNicolas Perez-Fernandez
Aug 24, 2017·Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology·Babette F van EschRoeland B van Leeuwen
Jun 19, 2007·Acta Oto-laryngologica·Carlos Gimeno-VilarNicolas Perez

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