Ear and hearing · 2023
The Importance of Mitochondrial Disease Testing in Young Adults With New Onset Sensorineural Hearing Loss.
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Koleilat Alaa, Poling Gayla L, Schimmenti Lisa A, Hasadsri Linda
Аннотация
OBJECTIVES: Sensorineural hearing loss (SNHL) occurs commonly as part of mitochondriopathies and varies in severity and onset. In this study, we characterized hearing with specific consideration for hearing loss as a potential early indicator of mitochondrial disease (MD). We hypothesize that genetic testing at the earliest detection of SNHL may lead to an earlier MD diagnosis.
DESIGN: We reviewed the clinical and audiometric data of 49 patients undergoing genetic testing for MD.
RESULTS: One-third of individuals with molecularly confirmed MD presented with SNHL. On average, patients had hearing loss at least 10 years before genetic testing. The collective audiometric profile includes mild to moderate SNHL at lower frequencies and moderate SNHL at 2 kHz and higher frequencies.
CONCLUSIONS: This study suggests that screening for SNHL could be an early indicator of MD. We propose that the audiometric profile for those with a MD diagnosis may have clinical triage utility.
DESIGN: We reviewed the clinical and audiometric data of 49 patients undergoing genetic testing for MD.
RESULTS: One-third of individuals with molecularly confirmed MD presented with SNHL. On average, patients had hearing loss at least 10 years before genetic testing. The collective audiometric profile includes mild to moderate SNHL at lower frequencies and moderate SNHL at 2 kHz and higher frequencies.
CONCLUSIONS: This study suggests that screening for SNHL could be an early indicator of MD. We propose that the audiometric profile for those with a MD diagnosis may have clinical triage utility.