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Vibration-Induced Nystagmus After Acute Peripheral Vestibular Loss: Comparative Study With Other Vestibule-Ocular Reflex Tests in the Yaw Plane

Cited 13 time in Web of Science Cited 13 time in Scopus
Authors
Koo, Ja-Won; Kim, Ji-Soo; Hong, Sung Kwang
Issue Date
2011-04
Publisher
Otology & Neurotology
Citation
Otology & Neurotology Vol.32 No.3, pp. 466-471
Keywords
복합학NystagmusVertigoVestibular function testVibration
Abstract
Objective: To validate the role of vibration-induced nystagmus (VIN) detecting vestibular asymmetry by comparing several vestibulo-ocular reflex (VOR) parameters in the yaw plane.Study Design: Prospective validation study for diagnostic test.Setting: Tertiary referral center.Patients: Seventy-four patients with unilateral vestibular loss of acute onset without a history of fluctuating vestibular function and 24 healthy volunteers.Intervention: Spontaneous nystagmus, head-shaking nystagmus (HSN), and VIN using a 100 Hz handheld vibrator were recorded using a videonystagmography system. Canal paresis on the caloric test and the time constant (TC) on the step velocity test were examined as parameters of the laboratory test.Main Outcome Measures: Correlation analysis between horizontal VOR parameters was performed. Receiver operating characteristic (ROC) curves of these parameters were plotted, and the area under the ROC curve (AUC) was compared according to the lower limiting value of TC on step velocity test as well as the presence of unilateral vestibular loss.Results: VIN was observed in 64 (86%) of 74 patients, and it was directed toward the contralesional side in 98%. VIN showed a significant positive correlation with the canal paresis (r = 0.416, p < 0.001) and a negative correlation with the TC (r = -0.351, p < 0.005). ROC curves of several VOR parameters were compared according to the presence of unilateral vestibular loss. The AUC of VIN was 0.882, and the cutoff intensity of VIN was 2.5 degrees per second. The AUCs of the HSN and spontaneous nystagmus were 0.774 and 0.661, respectively.Conclusion: The lateralization value of VIN was comparable with caloric test and superior to HSN. VIN is a useful vestibular test detecting vestibular asymmetry in the evaluation of dizziness.
ISSN
1531-7129
1537-4505(online)
Language
English
URI
http://hdl.handle.net/10371/83035
DOI
https://doi.org/10.1097/MAO.0b013e31820d9685
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)Journal Papers (저널논문_의학과)
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