Background and Aims: As the hearing aid technology progressively promotes toward replacing analog... more Background and Aims: As the hearing aid technology progressively promotes toward replacing analog hearing aids with digital and programmable ones, comparison of the patient satisfaction of those kinds of hearing aids by means of a valuable tool seems so necessary. So, the aim of this study was to compare self-reported benefit of analog, digitally controlled programmable and digital hearing aids for reducing disability caused by hearing impairment in mild to severe sensorineural hearing impaired persons. Materials and Methods: This cross-sectional study was performed on 90 persons with mild to severe sensorineural hearing loss dividing into three groups: 43 subjects were fitted with digital, 15 with programmable, 23 with analog hearing aids. After pure tone audiometry, Abbreviated profile of hearing aid benefit (APHAB) was completed before and one month after using hearing aids to determine the benefit of them. Results: Global APHAB mean scores for digital, programmable and analog hearing aids were 49.05, 33.19 and 39.53, respectively. Ease of Communication subscale mean scores were 53.46 for digitals, 37.66 for programmables and 39.09 for analogs. Background noise subscale mean scores for digital programmable and analog hearing aids were 46.36, 25.53 and 35.31, respectively. Global and also both subscale mean scores showed significant difference between digital hearing aids and programmable and analog ones. There was no significant difference between reverberation subscale mean scores of three groups. Conclusion: It seems digital hearing aids may be more beneficial to reduce disability caused by hearing loss than analog and programmable hearing aids are.
Background and Aim: Patients with type I diabetes mellitus commonly complain about dizziness, flo... more Background and Aim: Patients with type I diabetes mellitus commonly complain about dizziness, floating sensation, tinnitus, weakness, and sweating. The aim of this study was comparing vestibular evoked myogenic potentials (VEMPs) between these patients and normal people. Methods: Twenty-four patients with type I diabetes mellitus and twenty-four healthy volunteers with the age range of 15-40 years were enrolled in this study. A tone burst of 500 Hz, with the intensity of 95 dB nHL, was delivered through a insert earphone and vestibular evoked myogenic potential was recorded. The t-test was used to compare the results between the two groups. To investigate the effect of glycated hemoglobin (HbA1c) on VEMP responses (latency, absolute and relative amplitude), the regression analysis was used. Results: The mean p13 and n23 latency were significantly more in patients with type Ι diabetes mellitus (for P13 latency, p=0.013 in right and p=0.010 in left ear, and for n23 latency, p<0.001 in right and p=0.005 in left ear). There was no significant difference between two groups in absolute and relative amplitude and prevalence of the VEMP (p>0.050). There was no correlation between VEMPs and HbA1c in patients with type 1 diabetes mellitus (p>0.05). Conclusion: Prolonged latencies of the VEMP in patients with type 1 diabetes mellitus suggest lesions in the retrolabyrinthine, especially in the vestibulospinal tract. Nevertheless, due to the limited number of examined samples, further investigation with more patients should be performed.
Background and Aim: The quick speech in noise (Q-SIN) test shows the difficulty of speech percept... more Background and Aim: The quick speech in noise (Q-SIN) test shows the difficulty of speech perception in noise by specifying signal to noise ratio (SNR) loss. Although the Persian version of Q-SIN has been already constructed, the high-frequency emphasis version of this test is not available. The present study aimed to construct six lists with high-frequency emphasis and implement it. Methods: We are going to prepare a high-frequency emphasis version of Q-SIN and then test it on a small sample. First, researchers designed the relevant sentences; then experts examined their content and face validity. According to the criteria for developing the Q-SIN test, six lists with high-frequency emphasis were prepared. The test was examined on 26 (13 male and 13 female), 18−35 years old individuals with normal hearing. To determine the test reliability, it was re-administered three weeks later with the same conditions. Results: Of 76 sentences prepared, 36 sentences received enough credit after...
Background and Aim: Investigations have shown that the patient’s attitudes toward hearing loss an... more Background and Aim: Investigations have shown that the patient’s attitudes toward hearing loss and hearing aids impact hearing aid benefits and its use. In this regard, Saunders and Cienkowski (1996) developed the “attitudes towards loss of hearing questionnaire” to examine some of the psychosocial factors underlying the use of hearing aids. This study has focused on preparing a Persian version of this questionnaire and analyzing its validity and reliability. Methods: The original English version of the questionnaire was translated into Persian, and its content and face validities were determined by related experts. The final questionnaire was administered to 100 hearing impaired people (52 males and 48 females) aged 30 to 65 years with the mean (SD) age of 54.54 (12.05) years. The test-retest reliability was assessed in 20 patients. Results: The results of face validity assessment revealed that our questionnaire has a high quality in translation, intelligibility, and cultural co...
Background and Aim: Acceptable noise level (ANL) test is a reliable measure of people’s ability ... more Background and Aim: Acceptable noise level (ANL) test is a reliable measure of people’s ability to tolerate background noise. Central nervous system is one of the determinant factors in subject’s tolerance of noise. Bilinguals’ different central activity pattern may yield different ANL test results from monolinguals. This study aims to compare noise tolerance function in Arabic-Persian bilinguals with Persian monolinguals via Persian version of ANL. Methods: In the present study, the Persian version of ANL was administered on 115 cases with normal hearing (56 male, 59 female) aged 18–37 years in three groups of the Persian monolingual, sequential Arabic-Persian bilinguals, and simultaneous Arabic-Persian bilinguals. Results: The statistical analysis revealed significant difference in most comfortable level (p = 0.002) and background noise level (p = 0.011) among three groups, i.e. between Persian monolinguals and sequential Arabic-Persian bilinguals and between Persian monol...
Diabetes mellitus type Ι is a metabolic disorder that affects multiple systems including the inne... more Diabetes mellitus type Ι is a metabolic disorder that affects multiple systems including the inner ear. Patients with diabetes mellitus commonly complain about dizziness, floating sensation, tinnitus and sweating. The aim of this study was to compare vestibular evoked myogenic potentials (VEMPs) between diabetic patients with or without neuropathy. Subjects included 14 patients with diabetes mellitus type Ι with polyneuropathy, 10 patients with diabetes mellitus type Ι without polyneuropathy and 24 healthy volunteers. Range of age in participants was 15-40 years old. The VEMPs were recorded with 500 Hz tone bursts with intensity at 95 dB. There was statistically significant difference between the groups in P13 and N23 latencies (P<0.05). There was no statistically significant difference between groups in absolute and relative amplitudes. Prolonged latencies of the VEMP suggest lesions in the retrolabyrinthine, especially in the vestibulospinal tract.
Medical journal of the Islamic Republic of Iran, 2015
Rheumatoid arthritis (RA) is an autoimmune systemic disease. Most common autoimmune diseases are ... more Rheumatoid arthritis (RA) is an autoimmune systemic disease. Most common autoimmune diseases are multisystem disorders that may also present with otological manifestations, and autoimmune inner ear disease accompanied by vestibular dysfunction. This study aimed to compare the vestibular function between RA patients and normal subjects using cervical vestibular evoked myogenic potentials (cVEMPs). In this cross- sectional study, 25patients with RA (19 female and 6 male: mean (±SD) age, 40.00 (±7.92) years) and 20 healthy subjects (15 female and 5 male: mean (±SD) age, 35.35 (±10.48) years) underwent cVEMPs, using 500 Hz-tone bursts at 95 dB nHL intensity level. Data were analyzed using independent sample t-test through SPSS software v. 16. The mean peak latency of p13 was significantly higher in RA patients (p<0.001). The mean peak latency of n23 was significantly higher in patients in the left ear (p=0.03). Vestibular evoked myogenic potential (VEMP) responses were present in all...
Background and Aim: Tinnitus is an unpleasant sound which can cause some behavioral disorders. Ac... more Background and Aim: Tinnitus is an unpleasant sound which can cause some behavioral disorders. According to evidence the origin of tinnitus is not only in peripheral but also in central auditory system. So evaluation of central auditory system function is necessary. In this study Auditory brainstem responses (ABR) were compared in noise induced tinnitus and non-tinnitus control subjects. Materials and Methods: This cross-sectional, descriptive and analytic study is conducted in 60 cases in two groups including of 30 noise induced tinnitus and 30 non-tinnitus control subjects. ABRs were recorded ipsilateraly and contralateraly and their latencies and amplitudes were analyzed. Results: Mean interpeak latencies of III-V (p= 0.022), I-V (p=0.033) in ipsilatral electrode array and mean absolute latencies of IV (p=0.015) and V (p=0.048) in contralatral electrode array were significantly increased in noise induced tinnitus group relative to control group. Conclusion: It can be concluded from that there are some decrease in neural transmission time in brainstem and there are some sign of involvement of medial nuclei in olivery complex in addition to lateral lemniscus.
Migraine is a neurologic disease, which often is associated with a unilateral headache. Vestibula... more Migraine is a neurologic disease, which often is associated with a unilateral headache. Vestibular abnormalities are common in migraine. Vestibular evoked myogenic potentials (VEMPs) assess otolith function in particular functional integrity of the saccule and the inferior vestibular nerve. We used VEMP to evaluate if the migraine headache can affect VEMP asymmetry parameters. A total of 25 patients with migraine (22 females and 3 males) who were diagnosed according to the criteria of IHS-1988 were enrolled in this cross-sectional study. Control group consisted of 26 healthy participants (18 female and 8 male), without neurotological symptoms and history of migraine. The short tone burst (95 dB nHL, 500 Hz) was presented to ears. VEMP was recorded with surface electromyography over the contracted ipsilateral sternocleidomastoid (SCM) muscle. Although current results showed that the amplitude ratio is greater in migraine patients than normal group, there was no statistical difference...
Background and aim: The main problem of people with hearing loss is difficulty of hearing in back... more Background and aim: The main problem of people with hearing loss is difficulty of hearing in background noise. One of the best tests that are used to evaluate speech perception in background noise is Quick Speech in Noise Test. The purpose of current study is to assess test-retest reliability and list equivalency of the Persian version of Quick Speech in Noise Test in young people with normal hearing. Material and methods: This cross-sectional study was performed on 36 young (18-35 years old) individuals with normal hearing. Materials were presented via compact disk of Persian version of quick speech in noise test with standard earphone. Almost one week after test session, re-test was performed. All of the correct words were scored and then signal to noise ratio loss was calculated. Results: The mean SNR Loss was-1.5±0.74 dB. there was significant difference between test-retest scores for lists 1(p<0/05) and no significant difference between test-retest scores for lists 2, 3 and 4(p>0/05). There was significant difference between mean results of list 4 with list 1(p<0/05). There was significant difference for test-retest Pearson's Correlation in all lists. Conclusion: Lists 2 and 3 of Persian version of Quick Speech in Noise Test are reliable and equivalent for determining signal to noise ratio loss.
Background and Aims: As the hearing aid technology progressively promotes toward replacing analog... more Background and Aims: As the hearing aid technology progressively promotes toward replacing analog hearing aids with digital and programmable ones, comparison of the patient satisfaction of those kinds of hearing aids by means of a valuable tool seems so necessary. So, the aim of this study was to compare self-reported benefit of analog, digitally controlled programmable and digital hearing aids for reducing disability caused by hearing impairment in mild to severe sensorineural hearing impaired persons. Materials and Methods: This cross-sectional study was performed on 90 persons with mild to severe sensorineural hearing loss dividing into three groups: 43 subjects were fitted with digital, 15 with programmable, 23 with analog hearing aids. After pure tone audiometry, Abbreviated profile of hearing aid benefit (APHAB) was completed before and one month after using hearing aids to determine the benefit of them. Results: Global APHAB mean scores for digital, programmable and analog hearing aids were 49.05, 33.19 and 39.53, respectively. Ease of Communication subscale mean scores were 53.46 for digitals, 37.66 for programmables and 39.09 for analogs. Background noise subscale mean scores for digital programmable and analog hearing aids were 46.36, 25.53 and 35.31, respectively. Global and also both subscale mean scores showed significant difference between digital hearing aids and programmable and analog ones. There was no significant difference between reverberation subscale mean scores of three groups. Conclusion: It seems digital hearing aids may be more beneficial to reduce disability caused by hearing loss than analog and programmable hearing aids are.
Background and Aim: Patients with type I diabetes mellitus commonly complain about dizziness, flo... more Background and Aim: Patients with type I diabetes mellitus commonly complain about dizziness, floating sensation, tinnitus, weakness, and sweating. The aim of this study was comparing vestibular evoked myogenic potentials (VEMPs) between these patients and normal people. Methods: Twenty-four patients with type I diabetes mellitus and twenty-four healthy volunteers with the age range of 15-40 years were enrolled in this study. A tone burst of 500 Hz, with the intensity of 95 dB nHL, was delivered through a insert earphone and vestibular evoked myogenic potential was recorded. The t-test was used to compare the results between the two groups. To investigate the effect of glycated hemoglobin (HbA1c) on VEMP responses (latency, absolute and relative amplitude), the regression analysis was used. Results: The mean p13 and n23 latency were significantly more in patients with type Ι diabetes mellitus (for P13 latency, p=0.013 in right and p=0.010 in left ear, and for n23 latency, p<0.001 in right and p=0.005 in left ear). There was no significant difference between two groups in absolute and relative amplitude and prevalence of the VEMP (p>0.050). There was no correlation between VEMPs and HbA1c in patients with type 1 diabetes mellitus (p>0.05). Conclusion: Prolonged latencies of the VEMP in patients with type 1 diabetes mellitus suggest lesions in the retrolabyrinthine, especially in the vestibulospinal tract. Nevertheless, due to the limited number of examined samples, further investigation with more patients should be performed.
Background and Aim: The quick speech in noise (Q-SIN) test shows the difficulty of speech percept... more Background and Aim: The quick speech in noise (Q-SIN) test shows the difficulty of speech perception in noise by specifying signal to noise ratio (SNR) loss. Although the Persian version of Q-SIN has been already constructed, the high-frequency emphasis version of this test is not available. The present study aimed to construct six lists with high-frequency emphasis and implement it. Methods: We are going to prepare a high-frequency emphasis version of Q-SIN and then test it on a small sample. First, researchers designed the relevant sentences; then experts examined their content and face validity. According to the criteria for developing the Q-SIN test, six lists with high-frequency emphasis were prepared. The test was examined on 26 (13 male and 13 female), 18−35 years old individuals with normal hearing. To determine the test reliability, it was re-administered three weeks later with the same conditions. Results: Of 76 sentences prepared, 36 sentences received enough credit after...
Background and Aim: Investigations have shown that the patient’s attitudes toward hearing loss an... more Background and Aim: Investigations have shown that the patient’s attitudes toward hearing loss and hearing aids impact hearing aid benefits and its use. In this regard, Saunders and Cienkowski (1996) developed the “attitudes towards loss of hearing questionnaire” to examine some of the psychosocial factors underlying the use of hearing aids. This study has focused on preparing a Persian version of this questionnaire and analyzing its validity and reliability. Methods: The original English version of the questionnaire was translated into Persian, and its content and face validities were determined by related experts. The final questionnaire was administered to 100 hearing impaired people (52 males and 48 females) aged 30 to 65 years with the mean (SD) age of 54.54 (12.05) years. The test-retest reliability was assessed in 20 patients. Results: The results of face validity assessment revealed that our questionnaire has a high quality in translation, intelligibility, and cultural co...
Background and Aim: Acceptable noise level (ANL) test is a reliable measure of people’s ability ... more Background and Aim: Acceptable noise level (ANL) test is a reliable measure of people’s ability to tolerate background noise. Central nervous system is one of the determinant factors in subject’s tolerance of noise. Bilinguals’ different central activity pattern may yield different ANL test results from monolinguals. This study aims to compare noise tolerance function in Arabic-Persian bilinguals with Persian monolinguals via Persian version of ANL. Methods: In the present study, the Persian version of ANL was administered on 115 cases with normal hearing (56 male, 59 female) aged 18–37 years in three groups of the Persian monolingual, sequential Arabic-Persian bilinguals, and simultaneous Arabic-Persian bilinguals. Results: The statistical analysis revealed significant difference in most comfortable level (p = 0.002) and background noise level (p = 0.011) among three groups, i.e. between Persian monolinguals and sequential Arabic-Persian bilinguals and between Persian monol...
Diabetes mellitus type Ι is a metabolic disorder that affects multiple systems including the inne... more Diabetes mellitus type Ι is a metabolic disorder that affects multiple systems including the inner ear. Patients with diabetes mellitus commonly complain about dizziness, floating sensation, tinnitus and sweating. The aim of this study was to compare vestibular evoked myogenic potentials (VEMPs) between diabetic patients with or without neuropathy. Subjects included 14 patients with diabetes mellitus type Ι with polyneuropathy, 10 patients with diabetes mellitus type Ι without polyneuropathy and 24 healthy volunteers. Range of age in participants was 15-40 years old. The VEMPs were recorded with 500 Hz tone bursts with intensity at 95 dB. There was statistically significant difference between the groups in P13 and N23 latencies (P<0.05). There was no statistically significant difference between groups in absolute and relative amplitudes. Prolonged latencies of the VEMP suggest lesions in the retrolabyrinthine, especially in the vestibulospinal tract.
Medical journal of the Islamic Republic of Iran, 2015
Rheumatoid arthritis (RA) is an autoimmune systemic disease. Most common autoimmune diseases are ... more Rheumatoid arthritis (RA) is an autoimmune systemic disease. Most common autoimmune diseases are multisystem disorders that may also present with otological manifestations, and autoimmune inner ear disease accompanied by vestibular dysfunction. This study aimed to compare the vestibular function between RA patients and normal subjects using cervical vestibular evoked myogenic potentials (cVEMPs). In this cross- sectional study, 25patients with RA (19 female and 6 male: mean (±SD) age, 40.00 (±7.92) years) and 20 healthy subjects (15 female and 5 male: mean (±SD) age, 35.35 (±10.48) years) underwent cVEMPs, using 500 Hz-tone bursts at 95 dB nHL intensity level. Data were analyzed using independent sample t-test through SPSS software v. 16. The mean peak latency of p13 was significantly higher in RA patients (p<0.001). The mean peak latency of n23 was significantly higher in patients in the left ear (p=0.03). Vestibular evoked myogenic potential (VEMP) responses were present in all...
Background and Aim: Tinnitus is an unpleasant sound which can cause some behavioral disorders. Ac... more Background and Aim: Tinnitus is an unpleasant sound which can cause some behavioral disorders. According to evidence the origin of tinnitus is not only in peripheral but also in central auditory system. So evaluation of central auditory system function is necessary. In this study Auditory brainstem responses (ABR) were compared in noise induced tinnitus and non-tinnitus control subjects. Materials and Methods: This cross-sectional, descriptive and analytic study is conducted in 60 cases in two groups including of 30 noise induced tinnitus and 30 non-tinnitus control subjects. ABRs were recorded ipsilateraly and contralateraly and their latencies and amplitudes were analyzed. Results: Mean interpeak latencies of III-V (p= 0.022), I-V (p=0.033) in ipsilatral electrode array and mean absolute latencies of IV (p=0.015) and V (p=0.048) in contralatral electrode array were significantly increased in noise induced tinnitus group relative to control group. Conclusion: It can be concluded from that there are some decrease in neural transmission time in brainstem and there are some sign of involvement of medial nuclei in olivery complex in addition to lateral lemniscus.
Migraine is a neurologic disease, which often is associated with a unilateral headache. Vestibula... more Migraine is a neurologic disease, which often is associated with a unilateral headache. Vestibular abnormalities are common in migraine. Vestibular evoked myogenic potentials (VEMPs) assess otolith function in particular functional integrity of the saccule and the inferior vestibular nerve. We used VEMP to evaluate if the migraine headache can affect VEMP asymmetry parameters. A total of 25 patients with migraine (22 females and 3 males) who were diagnosed according to the criteria of IHS-1988 were enrolled in this cross-sectional study. Control group consisted of 26 healthy participants (18 female and 8 male), without neurotological symptoms and history of migraine. The short tone burst (95 dB nHL, 500 Hz) was presented to ears. VEMP was recorded with surface electromyography over the contracted ipsilateral sternocleidomastoid (SCM) muscle. Although current results showed that the amplitude ratio is greater in migraine patients than normal group, there was no statistical difference...
Background and aim: The main problem of people with hearing loss is difficulty of hearing in back... more Background and aim: The main problem of people with hearing loss is difficulty of hearing in background noise. One of the best tests that are used to evaluate speech perception in background noise is Quick Speech in Noise Test. The purpose of current study is to assess test-retest reliability and list equivalency of the Persian version of Quick Speech in Noise Test in young people with normal hearing. Material and methods: This cross-sectional study was performed on 36 young (18-35 years old) individuals with normal hearing. Materials were presented via compact disk of Persian version of quick speech in noise test with standard earphone. Almost one week after test session, re-test was performed. All of the correct words were scored and then signal to noise ratio loss was calculated. Results: The mean SNR Loss was-1.5±0.74 dB. there was significant difference between test-retest scores for lists 1(p<0/05) and no significant difference between test-retest scores for lists 2, 3 and 4(p>0/05). There was significant difference between mean results of list 4 with list 1(p<0/05). There was significant difference for test-retest Pearson's Correlation in all lists. Conclusion: Lists 2 and 3 of Persian version of Quick Speech in Noise Test are reliable and equivalent for determining signal to noise ratio loss.
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