You are cordially invited to the following presentation which is part of an Advanced Knowledge Seminar funded by the IU Institute for Advanced Study.
Tuesday, August 4, 2009
4:00 p.m.
IU Speech & Hearing Center, Room C141
"Hearing Impairment in Aging: A preventable, vascular disorder?" will be presented by Karen J. Cruickshanks, Professor of Ophthalmology and Visual Sciences and Population Health Sciences, School of Medicine and Public Health, University of Wisconsin.
Abstract:
Hearing impairment is one of the most common health conditions affecting older adults. Once considered a normal part of aging, there is growing evidence that it is at least partially preventable. The Epidemiology of Hearing Loss Study is a longitudinal, population-based study of hearing loss in Beaver Dam, WI. Hearing was measured by pure tone audiometry in 3753 participants in 1993-95 and at follow-up examinations in 1998-2000 and 2003-2005. Currently, this cohort is being re-examined for a 16-year follow-up study. During 2005-2008, the adult children of this cohort participated in the Beaver Dam Offspring Study, a study of sensory disorders and aging which included audiometric testing. In both studies, speech understanding also was measured using the Northwestern University #6 word lists. Data from these studies will be presented to summarize the cross-sectional and longitudinal associations of traditional and novel cardiovascular risk factors with hearing impairment. These data suggest that vascular processes may play important roles in sensorineurological changes in aging auditory systems. On-going studies of inflammation and genetic factors will also be discussed. These on-going, large, epidemiological cohort studies are contributing important new insights into possible prevention approaches to reduce the burden of hearing impairment in older adults.
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