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Updated: Jun 5, 2026
09:44
Neuro-rehabilitation Approach for Sudden Sensorineural Hearing Loss
Published on: January 25, 2016
Metabolic disorders prevalence in sudden deafness
Jeanne Oiticica1, Roseli Saraiva Moreira Bittar
1Department of Otolaryngology, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brasil. jeanneoiticica@bioear.com.br
Clinics (Sao Paulo, Brazil)
|January 19, 2011
Summary
Sudden deafness patients show significantly higher rates of hyperglycemia and thyroid disorders compared to the general population. These metabolic conditions are important risk factors to consider in sudden hearing loss cases.
Area of Science:
- Otolaryngology
- Endocrinology
- Epidemiology
Background:
- The prevalence of metabolic disorders in sudden deafness patients remains unclear.
- Their role as potential risk factors for sudden hearing loss is not well-established.
Purpose of the Study:
- To determine the frequency of metabolic disorders in sudden deafness patients.
- To compare these frequencies with population-based data.
Main Methods:
- A cross-sectional study of 166 sudden deafness patients treated between 1996 and 2006.
- Laboratory tests included glucose, cholesterol, LDL cholesterol, triglycerides, free T4, and TSH.
- Comparison of prevalence rates with Brazilian population data.
Main Results:
- Hyperglycemia (18.5%) and thyroid disorders (21.6%) were significantly more frequent in sudden deafness patients than in the general population.
- Abnormal cholesterol levels were also more common (50.3%) in patients.
- No significant differences were found in LDL cholesterol or triglyceride levels.
Conclusions:
- Hyperglycemia and thyroid disorders occur at more than double the rate in sudden deafness patients compared to the general population.
- These metabolic abnormalities should be recognized as significant associated risk factors for sudden deafness.
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