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All India Institute of Speech and Hearing, Mysuru
(An Autonomous institute Under Ministry of Health and Family Welfare, Government of India.)

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Effect of Blood Group on Ultrahigh Frequency Auditory Sensitivity

By: Contributor(s): Material type: ArticleSeries: ; Volume 22 Issue 4Publication details: 2018Description: 364–367ISSN:
  • 1809-4864
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In: International archives of otorhinolaryngologySummary: Introduction: Individuals with blood group O are reported to have reduced otoacoustic emissions (OAEs) compared with individuals with different blood groups.Objective:The present study attempted to determine if the blood group has any effect on high-frequency auditory sensitivity using ultrahigh-frequency audiometry and ultrahigh-frequency distortion product otoacoustic emissions (DPOAEs).Methods:High-frequency thresholds and high-frequency DPOAEs were measured in 60 individuals with normal hearing and different blood groups.Results:The results of the study showed that there was a significant reduction in DPOAE amplitude for individuals with blood group O compared with individuals with other blood groups. However, there was no significant difference in ultrahigh-frequency thresholds across the blood groups.Conclusion:This reduction in OAE amplitude may be attributed to a lower number of healthy outer hair cells in individuals with blood group O. Further studies on larger groups of individuals are essential for a better generalization of the results.
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Introduction: Individuals with blood group O are reported to have reduced otoacoustic emissions (OAEs) compared with individuals with different blood groups.Objective:The present study attempted to determine if the blood group has any effect on high-frequency auditory sensitivity using ultrahigh-frequency audiometry and ultrahigh-frequency distortion product otoacoustic emissions (DPOAEs).Methods:High-frequency thresholds and high-frequency DPOAEs were measured in 60 individuals with normal hearing and different blood groups.Results:The results of the study showed that there was a significant reduction in DPOAE amplitude for individuals with blood group O compared with individuals with other blood groups. However, there was no significant difference in ultrahigh-frequency thresholds across the blood groups.Conclusion:This reduction in OAE amplitude may be attributed to a lower number of healthy outer hair cells in individuals with blood group O. Further studies on larger groups of individuals are essential for a better generalization of the results.

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