Acta Scientific Otolaryngology (ASOL) (ISSN: 2582-5550)

Research Article Volume 5 Issue 5

Blood Group O and its Potential Association with Sensorineural Hearing Loss

Brajpal Tyagi* and Manika Feotia

Department of ENT, Harsh ENT Hospital, India

*Corresponding Author: Brajpal Tyagi, Department of ENT, Harsh ENT Hospital, India.

Received: February 13, 2023; Published: April 13, 2023


Introduction:  ABO blood group system and auditory function has been linked in the past. Individuals with O blood type are at a higher risk to develop noise induced hearing loss after industrial noise exposure. Also, O positive healthy individuals with normal hearing show reduced amplitudes in otoacoustic emission recordings. Whether blood group status increases the susceptibility of an individual with O blood group to develop sensorineural hearing loss or increases its severity is unclear.

Aim/Objectives: To analyse the association of O type blood group with sensorineural hearing loss.

Materials and Methods: 257 patients with SNHL were divided into group 1 (>7yrs) and group 2(<7yrs). Blood group analysis was carried out. Bera (group 1) and pure tone audiometry (group 2) were done in all patients. Chi square tests compared results across the ABO groups.

Results: On blood group analysis, blood group O (39.7%) was most commonly encountered. In both the groups O positive blood type had majority of the patients with severe degree of hearing loss with minimal cases falling into milder form. A statistically significant difference in the degree of hearing loss across the four ABO blood groups was found.

Conclusion: There was an increased incidence and severity of sensorineural hearing loss in patients with O positive blood group in both adults and children.

Keywords: WHO; Hearing; Sensorineural Hearing Loss (SNHL)


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Citation: Brajpal Tyagi and Manika Feotia. “Blood Group O and its Potential Association with Sensorineural Hearing Loss".Acta Scientific Otolaryngology 5.5 (2023): 18-24.


Copyright: © 2023 Brajpal Tyagi and Manika Feotia. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.


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