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Assessment of rock musician’s efferent system functioning using contralateral suppression of otoacoustic emissions

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World Journal of Otorhinolaryngology-Head and Neck Surgery 2016年第4期2卷 -页

作者： Prawin Kumar Vibhu Grover Sam Publius A Himanshu Kumar Sanju Sachchidanand Sinha Department of Audiology All India Institute of Speech and Hearing Mysuru 6 Karnataka India Department of Audiology and speech-language Pathology Amity Medical School Amity University Gurgaon Haryana India Department of speech and hearing Sri Aurobindo Institute of Medical Science Indore Madhya Pradesh India

Objective: Contralateral suppression of oto acoustic emission (OAE) is referred as activation of efferent system. Previous literature mentioned about the importance of contralateral suppression of OAEs as a tool to assess efferent system in different groups of population. There is dearth of literature to explore the efferent system function in experienced musicians exposed to rock music using TEOAEs and DPOAEs. Methods: Two groups of participant (14 rock musicians and 14 non-musicians) in the age range of 18-25 years were involved in the study. Contralateral suppression of TEOAEs and DPOAEs were measured using ILO (Version 6) in both groups. Results: Descriptive statistics showed higher suppression of TEOAEs and DPOAEs in rockmusicians at most of the frequencies in comparison to non-musicians. For DPOAE measures, Mann Whitney U test results revealed significantly greater DPOAE suppression only at 1 kHz and 3 kHz in rock-musicians compared to non-musicians. For within group comparison, Kruskal Wallis test results revealed there were significant difference observed across most of the frequencies i.e. at 1 kHz, 3 kHz and 6 kHz. For TEOAE measures, Mann Whitney U test results revealed that only at 2 kHz, TEOAE suppression in rock-musician was significantly greater compared to non-musicians. Similarly, Kuskal Wallis test results revealed that within group there were no significant differences observed for most of the frequencies except 2 kHz. Conclusions: Based on the above finding, present study concludes that rock musicians are having better efferent system compared to non-musicians. No suppression effect at few frequencies probably indicates more vulnerability at those frequencies. Contralateral suppression of DPOAE shows more significant finding in comparison to contralateral suppression of TEOAEs in present study.

关键词： Rock musicians Contralateral suppression Efferent pathway

Intact Canal Wall Mastoidectomy Combined with Balloon Dilation Eustachian Tuboplasty in the Treatment of Middle Ear Cholesterol Granuloma

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Chinese Medical Journal 2018年第6期131卷 741-742页

作者： Yong-Kang Ou Xue-Yuan Zhang Yao-Dong Xu Hao Xiong Mao-Jin Liang Department of Otolaryngology Sun Yat-Sen Memorial Hospital Sun Yat-Sen University Guangzhou Guangdong 510120 China Institute of Hearing and Speech-Language Science Sun Yat-Sen University Guangzhou Guangdong 510120 China

To the Editor： Cholesterol granuloma （CG） refers to granulation tissue containing cholesterol crystals and giant cells and is a tbreign body response elicited by local tissues. The pathogenesis of middle ear CG can be explained using the classic obstruction-vacuum theory caused by negative middle ear pressure, The Eustachian tube （ET） plays a decisive role in influencing the gas exchange and maintaining the ventilation and pressure of the middle ear. The traditional treatment is mastoidectomy, routinely combined with middle ear ventilation tube insertion or tube insertion during re-examination after operation. Eustachian tuboplasty by balloon dilation can improve the pathological state of ET via specific mechanisms to achieve functional recovery and satisfactory clinical efficacy.

关键词： DILATATION TUBE

The relationship between age,acceptable noise level,and listening effort in middle-aged and older-aged individuals

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中华耳科学杂志:英文版 2023年第4期18卷 220-229页

作者： Hemanth Narayan Shetty Suma Raju Sanjana Singh S Department of Audiology JSS Institute of Speech and HearingMysuruKarnatakaIndia Department of speech-language Pathology JSS Institute of Speech and HearingMysuruKarnatakaIndia

Objective:The purpose of the study was to evaluate listening effort in adults who experience varied annoyance towards noise.Materials and methods:Fifty native Kannada-speaking adults aged 41e68 years participated.We evaluated the participant's acceptable noise level while listening to speech.Further,a sentence-final wordidentification and recall test at 0 dB SNR(less favorable condition)and 4 dB SNR(relatively favorable condition)was used to assess listening effort.The repeat and recall scores were obtained for each condition.Results:The regression model revealed that the listening effort increased by 0.6%at 0 dB SNR and by 0.5%at 4 dB SNR with every one-year advancement in age.Listening effort increased by 0.9%at 0 dB SNR and by 0.7%at 4 dB SNR with every one dB change in the value of Acceptable Noise Level(ANL).At 0 dB SNR and 4 dB SNR,a moderate and mild negative correlation was noted respectively between listening effort and annoyance towards noise when the factor age was controlled.Conclusion:Listening effort increases with age,and its effect is more in less favorable than in relatively favorable conditions.However,if the annoyance towards noise was controlled,the impact of age on listening effort was reduced.Listening effort correlated with the level of annoyance once the age effect was controlled.Furthermore,the listening effort was predicted from the ANL to a moderate degree.

关键词： Listening effort Acceptable noise level Cognitive reservoir Repeat and recall task

Awareness and perspectives of audiologists on assessment and management of misophonia in India

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Journal of Otology 2023年第2期18卷 104-110页

作者： Sajana Aryal Prashanth Prabhu All India institute of speech and hearing MysoreIndia

Background:The assessment and management of misophonia need a team approach,and audiologists are essential team members.However,the role of an audiologist in this condition is not well understood,and there is a lack of awareness even among professionals about their role in the assessment and management of misophonia.Purpose:The main aim of our study is to document the present level of awareness and knowledge about misophonia assessment and management among audiologists in India.Methods:A descriptive cross-sectional study was carried out among audiologists from all over India.Descriptive statistical procedures were measured based on the type of questions being addressed,and a non-parametric chi-square test was done to see the association among variables.Results:The results show a lack of knowledge about misophonia even among audiologists,as only 15.3%of the audiologist reported being confident in handling cases with misophonia.Conclusion:Although the exact assessment and management of misophonia is still the topic of debate,it is clear that audiologists are the team's key members.However,the results clearly show a lack of confidence in handling cases of misophonia among audiologists in India.This result shows the future need for Research in misophonia from an audiological perspective.

关键词： Misophonia Awareness Audiologists Viewpoint Assessment and management

A comparison of the quality of life of parents of children using hearing aids and those using cochlear implants

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Journal of Otology 2022年第4期17卷 211-217页

作者： Saranya Arya Mundayoor Prabuddha Bhatarai Prashanth Prabhu All India institute of speech and hearing MysoreIndia

Objective:The goal of this study was to evaluate the quality of life of parents of children who use hearing aids(HA)with those who use cochlear implants(CI)in the Indian context and document any differences found.Methods:The Kannada version of the AQoL-4D was administered in a modified fashion to 131 parents(87 HA and 44 CI).Sociodemographic details were collected for supplemental information on the intervention strategy used.Results:A total of 49 parents(29 HA and 20 CI)responded to the questionnaire sent.The mean total scores for both the groups were similar(HA group=17.9(SD=5.5),CI group=17.2(SD=3.4)),as was the score for the first subscale(HA group=8.6(SD=2.9);CI group=8.5(SD=2.6))of the AQoL-4D.No significant differences were found between the two groups on either scores[Total Score:U(N_(HA)=29,NCI=20)=280.5,z=0.194,p>0.05;Subscale 1 Score:U(N_(HA)=29,NCI=20)=281.5,z=-0.176,p>0.05].The degree of hearing loss in the hearing aid group was equivalent to that of the cochlear implant group but this did not appear to influence parental quality of life.Conclusion:Parents of children with hearing aids and cochlear implants appear to be similar on several psychosocial factors in the realms of functional,social,and psychological well-being.In terms of parental quality of life,hearing aids and cochlear implants appear to be equally effective intervention techniques.

关键词： Quality of life Parents Cochlear implants hearing aids Children hearing impaired

Influence of BPPV and Meniere's Disease on Cognitive Abilities: A Questionnaire-Based Study

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Journal of Otology 2024年第1期19卷 10-18页

作者： Rohit Bhattacharyya Animesh Barman Freddy Antony All India institute of speech and hearing MysoreMysuruIndia

The vestibular system connects the inner ear to the midbrain and subcortical structures and can affect cognition. Patients with vertigo often experience cognitive symptoms such as attention deficits, memory problems, and spatial perception difficulties. This study aimed to explore the cognitive impairments associated with Benign paroxysmal positional vertigo(BPPV) and Meniere's Disease(MD). A non-experimental group comparison design was used with 107 participants divided into three groups: Group I(clinically normal), Group II(BPPV), and Group III(MD). Participants completed a questionnaire with 10 cognition-related questions, and their responses were scored. The data were found to be non-normally distributed. The analysis revealed a significant difference in scores between Group I and both Group II and Group III. Chi-square tests showed that the responses to cognition-related questions varied among the groups, with Group II exhibiting more cognitive problems. Associated conditions like hypertension, diabetes, and hearing loss did not significantly influence the responses within each group. This study suggests a significant relationship between cognitive problems and patients with BPPV and MD. However, there was no association found between the cognitive problems experienced in BPPV and MD patients. These findings align with previous research indicating that vestibular disorders can lead to deficits in spatial memory, attention, and other cognitive functions. By understanding the link between cognition and vestibular disorders, we can improve diagnosis and rehabilitation services to enhance the quality of life for these patients.

关键词： BPPV Meniere's disease Cognition Questionnaire

Validation of LittleEARS questionnaire in Hindi language

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Journal of Otology 2023年第2期18卷 71-78页

作者： Praveen Prakash S.Lakshmi Adithya Sreedhar Arena Varan Mathur Sreeraj Konadath Department of Audiology All India Institute of Speech and HearingManasagangothriMysuru570006India All India institute of speech and hearing ManasagangothriMysuru570006India

Background:Subjective measures of auditory development are equally important as objective measures to obtain a realistic image of the hearing status in infants and toddlers.Objectives:The objectives of the current study were to translate and validate the LittleEARS questionnaire into the Hindi language,to calculate its psychometric properties and establish a regression curve of the scores obtained as a function of age,to calculate the inter-test and test retest reliability of the same.The secondary objectives were to compare the scores obtained by the normal hearing children and those with hearing impairment and to plot a regression curve of total scores obtained by the hearing-impaired children as a function of the duration of auditory training attended since their first fit of the device.Materials and methods:The procedures involved conventional translation,reverse translation,and content validation before administering the questionnaire.The translated version was administered to parents of 59 children with normal hearing and 41 children with hearing impairment.Results:The finalized version had good reliability and efficient internal consistency with a Cronbach alpha value of 0.96.The mean scores obtained by the normal hearing children showed a progressive pattern as a function of age.Conclusion:The LittleEARS questionnaire has been successfully translated and validated into the Hindi language with excellent validity and reliability and can be used for screening and early identification of hearing impairment and in evaluating the outcome of audiological treatment approaches.

关键词： LittleEARS auditory questionnaire Hindi language Auditory outcome measures Screening tools Preverbal auditory checklist

Auditory brainstem functioning in individuals with misophonia

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Journal of Otology 2023年第3期18卷 139-145页

作者： Sajana Aryal Prashanth Prabhu All India institute of speech and hearing Mysore570006India

Purpose:Misophonia is not investigated much from an audiological perspective.Our study aims to examine the processing of the auditory retro-cochlear pathways in individuals with misophonia.Methods:A cross-sectional study was conducted among university students who had misophonia.The revised Amsterdam Misophonia Scale was used to determine the severity of misophonia.Participants were divided into mild and moderate-severe misophonia and compared with the healthy control group.Auditory Brainstem Response testing was recorded from all the individuals with misophonia.The absolute latency,amplitude,inter-peak latency difference,and inter-rate latency difference were compared between the groups.Results:One-way ANOVA result showed no significant difference in all the parameters of auditory brainstem response between the groups.These results are suggestive of normal brainstem processing in individuals with misophonia.Conclusions:The study concludes that the auditory pathway up to brainstem areas is intact in individuals with misophonia.Further studies are essential on a larger population for generalizing the results.

关键词： Misophonia Brainstem pathway Brainstem response Neurophysiology Audiology

Gain adjustment at tinnitus pitch to manage both tinnitus and speech perception in noise

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Journal of Otology 2019年第4期14卷 141-148页

作者： Hemanth Narayan Shetty Jijo Mathai Pottackal Department of Audiology All India Institute of Speech and HearingMysuru570006India Department of speech and hearing JSS Institute of Speech and HearingDharwad580007India

To investigate how much gain variation is required from prescription to effect tinnitus percept,and if this revised prescription affects speech recognition.Twenty participants who experienced catastrophic tinnitus even after fitted with hearing aid were included.Participants were grouped based on their tinnitus pitch and the prescriptive formula used to fit hearing aid.They were evaluated for handicap from tinnitus using Tinnitus Handicap Inventory(THI).hearing aid was programmed using either NAL-NL2 or DSL(I/o)v5 prescriptive formula and gain at tinnitus pitch was adjusted till the tinnitus get suppressed.SNR 50 was determined soon after fitted with hearing aid and 30 days of hearing aid use.Further,THI and international outcome inventory for hearing aid(IOI-HA)were determined after 30 days of hearing aid use.A significant higher gain adjustment was needed at tinnitus pitch to reduce tinnitus precept using NAL-NL2 than DSL(I/o)v5 prescriptive formula.Further,SNR 50 was not affected by either tinnitus pitch or revised prescription formulas.However,SNR 50 improved after 30 days of hearing aid use.A 76% of the participants’experienced habituation to perception after 30 days of hearing aid use,10% had slight,10% had mild,and 4% had a moderate degree of tinnitus on THI.On IOA-HA,96%(N=19)of participants have reported satisfactory,and 4%(N=1)reported moderate benefit from hearing aid.Irrespective of prescriptive formula adjusting gain at tinnitus pitch is an efficient method to reduce tinnitus symptoms and improve speech perception.

关键词： Amplification hearing loss Tinnitus speech perception hearing aid