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Background and Aim: Diabetes mellitus is a progressive metabolic disease. Studies about the relationship between diabetes mellitus and auditory impairment have shown variable results in supporting the fact that diabetes may have a complex repercussion on the auditory pathways. We aimed to evaluate hearing in patients with type II diabetes mellitus with behavioral and electrophysiological auditory tests.

Methods: In a cross-sectional study, we assessed 30 patients with type II diabetes mellitus with the mean age of 43.7 (SD: 1.3) years, ranging 40-45 years, and 30 matched healthy subjects with the mean age of 41.5 (SD: 1.5) years. Subjects were evaluated using auditory brainstem response (ABR) and pure tone audiometry. The results were compared between two groups.

Results: Pure tone audiometry was normal. There was a significant increased latency for waves I, III, and V, and also, interpeak latencies of I-III, III-V, and I-V waves (p<0.05).

Conclusion: ABR latency prolongation indicates abnormal nerve conduction velocity in patients with type II diabetes mellitus. ABR can be an important clinical tool for evaluating diabetes influence on cochlear nerve conduction velocity before hearing loss occurs in these patients.

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Background and Aim: Conversational repair skills are essential for establishing mutually successful verbal communication. Cognitive and linguistic disorders can have negative effects on these skills. Children with hearing loss have special cognitive and linguistic issues. This study was performed to contribute to the paucity of data on conversational repair strategies used by hearing impaired children.

Methods: The participants included 58 children with moderate hearing loss (38 boys and 20 girls) aged 6 to 7 from Ahvaz city. A cross-sectional study design was used. Frequency of using different types of repair strategies in ten repair situations was calculated. Scores of intelligence, memory, word finding, lexical richness, and mean length of sentences was obtained through cognitive-linguistic tests. Data was analyzed employing an independent t-test, Pearson correlation coefficient, and logistic regression.

Results: A direct correlation was observed between clarification strategy and communicative social intelligence (p=0.045). A direct correlation was observed between applying different types of conversational repair strategies and linguistic abilities in children with moderate hearing loss (p<0.05).

Conclusion: Children with moderate hearing loss (age: 6-7 years) use repetition more than any other strategy to repair conversation. One unit increase in word finding ability or in mean length of sentence predicts one unit increase in the degree of using repetition strategy.