Abstract：
BACKGROUND:Prior to undergoing vestibular function testing, it is not uncommon for clinicians to request that patients abstain from caffeine 24 hr prior to the administration of the tests. However, there is little evidence that caffeine affects vestibular function. PURPOSE:To evaluate whether the results from two tests commonly used in a clinical setting to assess vestibular function (i.e., calorics and the cervical vestibular evoked myogenic potential [cVEMP]) are affected by caffeine. RESEARCH DESIGN:Subjects were tested with and without consuming a moderate amount of caffeine prior to undergoing calorics and cVEMPs. STUDY SAMPLE:Thirty young healthy controls (mean = 23.28 yr; females = 21). Subjects were excluded if they reported any history of vestibular/balance impairment. DATA COLLECTION AND ANALYSIS:The Variotherm Plus Caloric Irrigator was used to administer the water, while the I-Portal VNG software was used to collect and analyze subjects' eye movements. The TECA Evoked Potential System was used for the cVEMP stimulus presentation as well as for the data collection. During cVEMP collection, subjects were asked to monitor their sternocleidomastoid muscle contraction with a Delsys EMG monitor. IBM SPSS Statistics 20 was used to statistically analyze the results via paired t-tests. RESULTS:Analysis of the data revealed that ingestion of caffeine did not significantly influence the results of either test of vestibular function. CONCLUSIONS:The results revealed that a moderate amount of caffeine does not have a clinically significant effect on the results from caloric and cVEMP tests in young healthy adults. Future research is necessary to determine whether similar results would be obtained from individuals with a vestibular impairment, as well as older adults.
journal_name
J Am Acad Audioljournal_title
Journal of the American Academy of Audiologyauthors
McNerney K,Coad ML,Burkard Rdoi
10.3766/jaaa.25.3.5subject
Has Abstractpub_date
2014-03-01 00:00:00pages
261-7issue
3eissn
1050-0545issn
2157-3107journal_volume
25pub_type
杂志文章abstract：PURPOSE:To investigate the test-retest reliability of real-ear aided response (REAR) measures in open and closed hearing aid fittings in children using appropriate probe-microphone calibration techniques (stored equalization for open fittings and concurrent equalization for closed fittings). RESEARCH DESIGN:Probe-micr...
journal_title：Journal of the American Academy of Audiology
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journal_title：Journal of the American Academy of Audiology
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更新日期：1994-09-01 00:00:00
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journal_title：Journal of the American Academy of Audiology
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更新日期：1997-04-01 00:00:00
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journal_title：Journal of the American Academy of Audiology
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journal_title：Journal of the American Academy of Audiology
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更新日期：1999-07-01 00:00:00
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journal_title：Journal of the American Academy of Audiology
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journal_title：Journal of the American Academy of Audiology
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journal_title：Journal of the American Academy of Audiology
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journal_title：Journal of the American Academy of Audiology
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journal_title：Journal of the American Academy of Audiology
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更新日期：1996-12-01 00:00:00
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journal_title：Journal of the American Academy of Audiology
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journal_title：Journal of the American Academy of Audiology
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journal_title：Journal of the American Academy of Audiology
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更新日期：1992-03-01 00:00:00
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journal_title：Journal of the American Academy of Audiology
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更新日期：1993-11-01 00:00:00
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journal_title：Journal of the American Academy of Audiology
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更新日期：1994-07-01 00:00:00
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