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Titre : | Stroke risk in African Americans with subclinical auditory dysfuntion evidenced by Distortion Product Otoacoustic Emissions: the Jackson heart study (2020) |
Auteurs : | Jonathan E. Sorrel ; Christopher Spankovich ; Charles E. Bishop ; Dan Su ; Karen Valle ; John M. Schweinfurth |
Type de document : | Article |
Dans : | International Journal of Audiology IJA (Vol. 59, n°10, Octobre 2020) |
Article en page(s) : | p. 737-744 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Accident vasculaire cérébral (AVC) ; Afro-américains ; Angiopathies intracrâniennes ; Ischemie |
Résumé : |
Objective: Distortion product otoacoustic emissions (DPOAEs) are sensitive to early indices of cochlear pathology. Pathology to the cochlea is in part mediated by ischaemic related mechanisms. We propose that DPOAEs may provide an objective measure of cardiovascular risk.
Design: Cross-sectional. Study sample: The relationships between stroke risk and DPOAEs of 1,107 individuals from the Jackson Heart Study (JHS), an all-African-American cohort, were assessed. Linear regression models were used for analysis among all participants and delimited to normal hearing, defined as either a pure-tone threshold average of 500, 1000, 2000, and 4000 Hz (PTA4) ≤ 25 dBHL or pure-tone thresholds for all individual tested frequencies for each ear (500, 1000, 2000, 4000, and 8000 Hz) ≤ 25 dBHL. Results: We observed a significant inverse relationship between DPOAE amplitudes and stroke risk scores in the pooled cohort and in the subgroups with normal hearing defined by pure tone thresholds. Participants in the high-risk group had significantly lower DPOAE amplitudes than those in the low stroke risk group. Conclusions: Our results indicate that auditory dysfunction as measured by DPOAEs are related to stroke risk. Further prospective studies are needed to determine if DPOAEs could be used as a predictive tool for cardiovascular disease. |
Accès : | Contactez la bibliothèque d'Ixelles si le lien vers la ressource électronique ne fonctionne plus |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.tandfonline.com/doi/pdf/10.1080/14992027.2020.1745304?needAccess=true |