Understanding the relationship between blood groups (A, B, AB, and O) and auditory functioning can provide valuable insights into individual differences in hearing ability and potential risks for hearing loss. OBJECTIVE: To assess the impact of blood group on auditory functions....
No actionable change — findings are exploratory and no clinical guidance should be altered based on blood-group associations with auditory function until replicated in larger, well-controlled studies.
If blood group is confirmed as a biological variable affecting auditory processing, it could inform personalised risk stratification for hearing difficulties, though this remains speculative at present.
- 01Study tested whether ABO blood type is associated with contralateral suppression of otoacoustic emissions (OAEs).
- 02Auditory measures included speech perception in noise and binaural integration (how both ears work together).
- 03This is a relatively novel line of inquiry; few prior studies have linked blood group to central auditory processing.
- 04Results could have implications for understanding biological variability in hearing function if replicated.
- 05Published in a peer-reviewed journal (DOI: 10.1055/s-0046-1819712).
ABO blood group is associated with differences in contralateral suppression of otoacoustic emissions.
studyunclearABO blood group is associated with differences in speech perception in noise.
studyunclearABO blood group is associated with differences in binaural integration.
studyunclear- PMID
- 42100380
- DOI
- 10.1055/s-0046-1819712.
- Journal
- Journal of the American Academy of Audiology
- Publication type
- research_article
- Evidence level
- 4
- Population
- Clinical population stratified by ABO blood group
- Intervention
- ABO blood group classification
- Comparator
- Comparison across blood group categories (A, B, AB, O)
Primary outcomes
Contralateral suppression of otoacoustic emissions; Speech perception in noise; Binaural integration