Hearing impairment in patients of hypothyroidism in sub Himalayan region

Authors

  • Vikasdeep Gupta Department of Otolaryngology and Head Neck surgery, All India Institute of Medical Sciences, Bathinda, Punjab, India http://orcid.org/0000-0002-0755-4087
  • Sunder Singh Dogra Department of Otolaryngology and Head Neck surgery, Dr. Rajendra Prasad Government Medical College, Kangra at Tanda, Himachal Pradesh, India
  • Pardeep Bansal Department of Otolaryngology and Head Neck surgery, Dr. Rajendra Prasad Government Medical College, Kangra at Tanda, Himachal Pradesh, India
  • Kuldeep Thakur Department of Otolaryngology and Head Neck surgery, All India Institute of Medical Sciences, New Delhi, India
  • Vidhu Sharma Department of Otolaryngology and Head Neck surgery, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India
  • Deepak Verma Department of Otolaryngology and Head Neck surgery, Bhagat Phool Singh Government Medical College, Khanpur Kalan (Sonepat), Haryana, India
  • Vandana . Department of Ophthalmology, Post Graduate Institute of Medical sciences, Rohtak, Haryana, India

DOI:

https://doi.org/10.18203/issn.2454-5929.ijohns20203202

Keywords:

Audiometry, Hearing impairment, Hypothyroidism, Impedance, Thyroid gland

Abstract

Background: The objective of the study was to assess the hearing impairment in patients of hypothyroidism.

Methods: A prospective clinical study has done at a referral centre included 33 diagnosed patients of hypothyroidism in the age group of 15 to 65 years, fulfilling the inclusion and exclusion criteria who attended the outpatient department. The diagnosis of hypothyroidism was confirmed by thyroid function tests i.e., serum T3, T4 and TSH levels while hearing assessment was done using tuning fork tests, pure tone audiometry, impedance audiometry and otoacoustic emissions. Hearing impairment was measured in decibels of hearing loss, or dB HL and graded as mild, moderate, moderately severe, severe, or profound.  

Results: Percutaneous transluminal angioplasty showed 42.7% of the patients had high frequency sensorineural type of hearing loss. The air bone gap was not significant. On tympanometry, all the patients had type A graph and distortion product otoacoustic emissionss in all patients were pass.

Conclusions: Acquired hypothyroidism affects primarily high frequency hearing thresholds causing high frequency sensorineural hearing loss, with little or no effect on lower frequencies.

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Author Biography

Vikasdeep Gupta, Department of Otolaryngology and Head Neck surgery, All India Institute of Medical Sciences, Bathinda, Punjab, India

Assistant professor , Department otolaryngology & head neck surgery,

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Published

2020-07-22

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Original Research Articles