Study of The Association Between Glycated Hemoglobin Level and Sensorineural Hearing Loss in Type2 DM Patients
Abstract
Background: Diabetes mellitus can affect the auditory system due to neuropathy and microvascular complications following hyperglycemia.
Prevention of hearing loss is a fundamental importance and therefore it is necessary to determine whether well-controlled diabetes diminishes its occurrence.
Objectives: the main objective: to study the association between glycohemoglobin level and sensorineural hearing loss in type 2 diabetes mellitus patients .
Secondary objective: to study the association between sensorineural hearing loss and the following variables: sex, age, duration of diabetes mellitus , fasting plasma glucose levels in the sample.
Materials and methods: A descriptive study( cross section) included 72 patients (45 females- 27 males) attending ENT clinic and Endocrinology clinic at Tishreen University Hospital in Lattakia between 2021- 2022 between the ages of 26 and 55 years.
After measuring fasting plasma glucose and glycohemoglobin levels, the patients were divided into 3 groups according to their glycohemoglobin levels:
First group: controlled diabetes: HbA1c<7.
Second group: partially controlled diabetes: HbA1c 7-8.
Third group: uncontrolled diabetes: HbA1c>8.
A pure tone audiometry was conducted for each patient and then the results were compared in the three groups.
Results: we found a significant relationship between sensorineural hearing loss in patients with type 2 diabetes mellitus and the following variables: glycated hemoglobin level, age and duration of diabetes.
Conclusion: High glycated hemoglobin level, older age and longer duration of diabetes could be considered risk factors for sensorineural hearing loss in patients with type 2 diabetes mellitus.
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