Vestibular evoked myogenic potential (VEMP) test-retest reliability in adults

Author:

Obeidat Faten S.1,Alghwiri Alia A.2,Bell Steven L.3

Affiliation:

1. Department of Hearing and Speech Sciences, School of Rehabilitation Sciences, University of Jordan

2. Department of Physiotherapy, School of Rehabilitation Sciences, University of Jordan, Amman, Jordan

3. Institute of Sound and Vibration Research, University of Southampton, Highfield, Southampton SO17 1BJ, UK

Abstract

BACKGROUND: The technique of measuring ocular vestibular evoked myogenic potentials (oVEMP) in response to Mini-shaker vibration is relatively new, there is a limited normative data to define the presence or absence of a response in the literature. OBJECTIVE: To determine the test-retest reliability of cervical and ocular VEMPs (cVEMP and oVEMP, respectively) to air-conducted sound (ACS) and bone-conducted vibration (BCV) stimulation and to determine normative ranges for the responses. METHODS: Twenty normal-hearing individuals (40 ears) and 20 hearing impaired volunteers with normal balance function (40 ears) were examined in this study. ACS cVEMP and BCV oVEMP (using a Mini-shaker) were recorded from both groups to assess the test-retest reliability and to collect normative VEMP data for P1/N1 latencies and amplitudes from 20 normal hearing individuals. To test reliability, VEMP recordings were repeated within the same session. RESULTS: The test-retest reliability for all the cVEMP parameters showed excellent reliability whereas oVEMP parameters showed between fair and excellent reliability depending on the parameter tested. Normative data for VEMP P1/N1 latencies and amplitudes were established. CONCLUSIONS: Normative data and test-retest reliability for BCV oVEMP using the Mini-shaker at 100 Hz were established in our study for the first time in the literature. Responses appear reliable.

Publisher

IOS Press

Subject

Neurology (clinical),Sensory Systems,Otorhinolaryngology,General Neuroscience

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