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Deafness is most common otolaryngological manifestation associated with thyroid dysfunction.So it was contemplated to study hearing profile in hypothyroid individuals and its response to thyroid hormone therapy.Material Method-This original research study included 100 subjects divided into 2 groups.Case group included clinically and biochemically confirmed hypothyroid patients before treatment (n=50) Control group-included Euthyroid subjects (n=50) Result: 41 out of 50 patients demonstrated hearing loss, 32 had Sensorineural hearing loss 9 had mixed hearing loss and 9 had normal hearing.Following treatment with levothyroxine hearing threshold improved by 5-10 db in 6 patients and more than 10 db in 33 patients while 2 patients had no improvement.BERA revealed reduced amplitude of wave I, II, III & V.After 6 months of treatment with levothyroxine wave V absolute amplitude improved significantly.Conclusion: Hypothyroid patient had significant degree of hearing impairment.An improvement in hearing parameters occurred following levothyroxine replacement therapy over a period of 6 months.
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Dr Harpuneet Kaur Bakshi (2016) studied this question.
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