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A brief communication on bone conduction artefacts

I Bell, S Goodsell, A R Thornton

    British Journal of Audiology
    |August 1, 1980
    PubMed
    Summary
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    Airborne radiation from bone-conduction vibrators can lead to inaccurate hearing test results. The Radioear B72 vibrator showed a higher potential for causing false bone-conduction threshold measurements.

    Area of Science:

    • Audiology
    • Hearing Science
    • Biomedical Engineering

    Background:

    • Accurate bone-conduction threshold measurement is crucial for diagnosing hearing loss.
    • Potential confounding factors in bone-conduction audiometry require thorough investigation.
    • Understanding vibrator characteristics is essential for reliable audiological assessments.

    Purpose of the Study:

    • To identify factors contributing to incorrect bone-conduction threshold measurements.
    • To specifically investigate the impact of airborne radiation from Radioear vibrators (B70A, B71, B72).

    Main Methods:

    • Experimental analysis of airborne radiation emitted by three specific Radioear bone-conduction vibrator models.
    • Evaluation of the influence of this airborne radiation on measured bone-conduction thresholds.

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    Main Results:

    • Airborne radiation from the vibrator was identified as a significant factor affecting bone-conduction measurements.
    • The Radioear B72 vibrator demonstrated a notable susceptibility to generating false bone-conduction threshold values due to airborne radiation.
    • The B70A and B71 vibrators showed less impact from this specific artifact.

    Conclusions:

    • Airborne radiation from bone-conduction vibrators can introduce measurement errors.
    • Clinicians should be aware of potential artifacts, particularly when using the Radioear B72 vibrator.
    • Further research may be needed to mitigate the effects of airborne radiation in bone-conduction testing.