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The impact of cardiovascular diseases on hearing deterioration: a 13-year follow-up study
Venla Lohi1,2,3, Pasi Ohtonen4, Martti Sorri2,3
1Department of Otorhinolaryngology and Head and Neck Surgery, Oulu University Hospital, Oulu, Finland.
Objective:
To study the impact of cardiovascular diseases (CVDs) on hearing deterioration among ageing adults in a longitudinal setting. Furthermore, to describe the pure tone threshold changes at the 0.125-8 kHz frequency range over 13 years.
Design:
A population-based follow-up study.
Study Sample:
A random sample of 850 adults, of whom 559 participated in the follow-up study. Otological examination, a structured interview, and pure tone audiometry were conducted. Multivariate regression models were used to estimate the effect of CVD (participants had at least one cardiovascular condition) on hearing deterioration of the better ear hearing level (BEHL), defined as a change in the pure-tone average (PTA) of the frequencies 0.5, 1, 2, and 4 kHz and separately at the lower (0.125, 0.25, and 0.5 kHz) and higher (4, 6, and 8 kHz) frequencies.
Results:
In the multivariable-adjusted analysis, the BEHL change at 13 years was 0.7 dB greater among participants with CVD (p = 0.3). The mean BEHL change during the 13-year follow-up was 12.0 dB (95% CI 11.4-12.6) among all participants.
Conclusions:
No significant association between CVD and hearing threshold changes was found.
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