OBJECTIVE: Due to the aging of populations, the prevalence of hearing loss and osteoporosis is increasing. Previous studies have found an association between these conditions. Nevertheless, the pathophysiologic pathway of such an association has not yet been established. The present study aimed at evaluating the association, if any, of hearing loss with osteoporosis in an older unselected population, and whether this association varied according to inflammatory status.
PATIENTS AND METHODS: We assessed the association of osteoporosis with a self-reported hearing loss in all 310 subjects aged 75+ living in Tuscania (Italy), without exclusion criteria. Bone density was assessed by calcaneal quantitative ultrasound; osteoporosis was defined as a T-score ≤ -2.5 Standard Deviation.
RESULTS: Hearing loss was associated with osteoporosis (OR = 1.84, 95% CI = 1.03-3.28; p = 0.40) in multivariable logistic regression analysis, after adjusting for potential confounders.
Analysis of the interaction term indicated that this association varied according to the erythrocyte sedimentation rate, ERS (p = 0.030), and high-sensitivity C reactive protein, hs-CRP (p = 0.017) but not sex (p = 0.832). Of notice, this association was significant only for higher levels of inflammatory parameters (OR = 2.82; 95% CI = 1.15-6.90; p = 0.023 for the higher ERS tertile; and OR = 3.81; 95% CI = 1.36-10.63; p = 0.011 for the higher hs-CRP tertile vs. lower tertiles).
CONCLUSIONS: Hearing loss is associated with osteoporosis in community dwelling elderly. Such an association seems to depend upon higher inflammation levels.Free PDF Download
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A. Laudisio, L. Navarini, D.P.E. Margiotta, A. Gemma, S. Giovannini, A. Saviano, R. Bernabei, A. Afeltra, G. Zuccalà, R. Antonelli Incalzi
Inflammation as a mediator of the association between osteoporosis and hearing loss in older subjects: a population-based study
Eur Rev Med Pharmacol Sci
Vol. 22 - N. 5