Brainstem auditory evoked potential in clinical hypothyroidism

Objectives: The association of hypothyroidism with impairment of hearing is known to occur. It may be of any kind i. e., conductive, sensorineural or mixed. The aim of this study is to assess auditory pathway by brainstem auditory evoked potential (BAEP) in newly diagnosed patients of clinical hypot...

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Autores principales:	Kirti Sharma, Naresh Kumar, Joshil Kumar Behera, Sushma Sood, Sibadatta Das, Harnam Singh Madan
Formato:	article
Lenguaje:	EN
Publicado:	Thieme Medical and Scientific Publishers Pvt. Ltd. 2015
Materias:	baep clinical hypothyroidism hearing impairment Medicine R
Acceso en línea:	https://doaj.org/article/e7fae54b7cb045cb94528c5b5b631a23
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spelling	oai:doaj.org-article:e7fae54b7cb045cb94528c5b5b631a232021-12-02T17:05:47ZBrainstem auditory evoked potential in clinical hypothyroidism2231-07702249-446410.4103/2231-0770.160234https://doaj.org/article/e7fae54b7cb045cb94528c5b5b631a232015-07-01T00:00:00Zhttp://www.thieme-connect.de/DOI/DOI?10.4103/2231-0770.160234https://doaj.org/toc/2231-0770https://doaj.org/toc/2249-4464Objectives: The association of hypothyroidism with impairment of hearing is known to occur. It may be of any kind i. e., conductive, sensorineural or mixed. The aim of this study is to assess auditory pathway by brainstem auditory evoked potential (BAEP) in newly diagnosed patients of clinical hypothyroidism and healthy sex- and age-matched controls. Materials and Methods: The study included 25 healthy age- and sex-matched controls (Group I) and 25 patients of newly diagnosed clinical hypothyroidism (Group II). The recording was taken by using RMS EMG EP MK2 equipment. Statistical Analysis Used: Unpaired Student′s t test. Results: There was a significant increase in wave IV (5.16 ± 0.85 ms) and wave V (6.17 ± 0.89 ms) latencies of right ear BAEP of Group II in comparison to wave IV (4.66 ± 0.39 ms) and wave V (5.49 ± 0.26 ms) of Group I. Wave V of left ear BAEP of Group II was also prolonged (6 ± 0.61 ms) in comparison to Group I (5.47 ± 0.35 ms). There was a significant difference in inter-peak latencies IPL I -V (4.44 ± 0.66 ms) and IPL III -V (2.2 ± 0.5 ms) of right ear BAEP of Group II in comparison to IPL I -V (3.94 ± 0.31 ms) and IPL III -V (1.84 ± 0.34 ms) of Group I. A significant prolongation was also found of IPL I -V (4.36 ± 0.59 ms) and IPL III -V (2.2 ± 0.42 ms) of left ear BAEP of Group II in comparison to IPL I -V (3.89 ± 0.3 ms) and IPL III -V (1.85 ± 0.3 ms) of Group I. Conclusion: Prolongation of wave IV and V along with inter-peak latencies in BAEP of both ears suggests that central auditory pathway is affected significantly in clinical hypothyroid patients.Kirti SharmaNaresh KumarJoshil Kumar BeheraSushma SoodSibadatta DasHarnam Singh MadanThieme Medical and Scientific Publishers Pvt. Ltd.articlebaepclinical hypothyroidismhearing impairmentMedicineRENAvicenna Journal of Medicine, Vol 05, Iss 03, Pp 79-82 (2015)
institution	DOAJ
collection	DOAJ
language	EN
topic	baep clinical hypothyroidism hearing impairment Medicine R
spellingShingle	baep clinical hypothyroidism hearing impairment Medicine R Kirti Sharma Naresh Kumar Joshil Kumar Behera Sushma Sood Sibadatta Das Harnam Singh Madan Brainstem auditory evoked potential in clinical hypothyroidism
description	Objectives: The association of hypothyroidism with impairment of hearing is known to occur. It may be of any kind i. e., conductive, sensorineural or mixed. The aim of this study is to assess auditory pathway by brainstem auditory evoked potential (BAEP) in newly diagnosed patients of clinical hypothyroidism and healthy sex- and age-matched controls. Materials and Methods: The study included 25 healthy age- and sex-matched controls (Group I) and 25 patients of newly diagnosed clinical hypothyroidism (Group II). The recording was taken by using RMS EMG EP MK2 equipment. Statistical Analysis Used: Unpaired Student′s t test. Results: There was a significant increase in wave IV (5.16 ± 0.85 ms) and wave V (6.17 ± 0.89 ms) latencies of right ear BAEP of Group II in comparison to wave IV (4.66 ± 0.39 ms) and wave V (5.49 ± 0.26 ms) of Group I. Wave V of left ear BAEP of Group II was also prolonged (6 ± 0.61 ms) in comparison to Group I (5.47 ± 0.35 ms). There was a significant difference in inter-peak latencies IPL I -V (4.44 ± 0.66 ms) and IPL III -V (2.2 ± 0.5 ms) of right ear BAEP of Group II in comparison to IPL I -V (3.94 ± 0.31 ms) and IPL III -V (1.84 ± 0.34 ms) of Group I. A significant prolongation was also found of IPL I -V (4.36 ± 0.59 ms) and IPL III -V (2.2 ± 0.42 ms) of left ear BAEP of Group II in comparison to IPL I -V (3.89 ± 0.3 ms) and IPL III -V (1.85 ± 0.3 ms) of Group I. Conclusion: Prolongation of wave IV and V along with inter-peak latencies in BAEP of both ears suggests that central auditory pathway is affected significantly in clinical hypothyroid patients.
format	article
author	Kirti Sharma Naresh Kumar Joshil Kumar Behera Sushma Sood Sibadatta Das Harnam Singh Madan
author_facet	Kirti Sharma Naresh Kumar Joshil Kumar Behera Sushma Sood Sibadatta Das Harnam Singh Madan
author_sort	Kirti Sharma
title	Brainstem auditory evoked potential in clinical hypothyroidism
title_short	Brainstem auditory evoked potential in clinical hypothyroidism
title_full	Brainstem auditory evoked potential in clinical hypothyroidism
title_fullStr	Brainstem auditory evoked potential in clinical hypothyroidism
title_full_unstemmed	Brainstem auditory evoked potential in clinical hypothyroidism
title_sort	brainstem auditory evoked potential in clinical hypothyroidism
publisher	Thieme Medical and Scientific Publishers Pvt. Ltd.
publishDate	2015
url	https://doaj.org/article/e7fae54b7cb045cb94528c5b5b631a23
work_keys_str_mv	AT kirtisharma brainstemauditoryevokedpotentialinclinicalhypothyroidism AT nareshkumar brainstemauditoryevokedpotentialinclinicalhypothyroidism AT joshilkumarbehera brainstemauditoryevokedpotentialinclinicalhypothyroidism AT sushmasood brainstemauditoryevokedpotentialinclinicalhypothyroidism AT sibadattadas brainstemauditoryevokedpotentialinclinicalhypothyroidism AT harnamsinghmadan brainstemauditoryevokedpotentialinclinicalhypothyroidism
_version_	1718381823220776960

Brainstem auditory evoked potential in clinical hypothyroidism

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