Online ISSN: 2515-8260

Correlation between sensorineural hearing loss and HbA1c in diabetes mellitus patients

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Rukmini Sharma,Dr. Raghuveer Choudhary, Dr. Rajendra K Teharia

Abstract

Diabetes mellitus is a non-communicable chronic metabolic disorder. The association between sensorineural hearing loss and diabetes has become an important subject of research. Pathophysiology of hearing loss in diabetes is not still well explained. Usually gradual, bilateral, sensorineural hearing loss at high frequency is seen in diabetes mellitus. Our study aims to know the prevalence of SNHL in DM and its relation to HbA1c. A total of 300 subjects including 150 healthy individuals age and sex matched as control and 150 patients of type 2 diabetes between 10-50 years age group including 78 males and 72 females were included in the study. Fasting blood sugar and HbA1c of all the subjects were taken for the study and after that pure tone audiometry was performed (PTA). By observing the data degree, type and correlation with HbA1c of hearing loss was concluded. 28% diabetic patients suffered with SNHL while 72% were found with normal hearing threshold. Among 42 patients 23 mild, 9 moderate, 9 moderately severe and 1 severe degree hearing loss cases were found in diabetic group. Hearing loss was found on higher frequencies. Association between hearing loss and HbA1c was observed and it was highest in the 10-13.9% range but this correlation was not found significant (p value >0.05) in our study

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