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Evaluation of the microbial contamination of the audiological diagnostic equipment and their current disinfection techniques
(2025) Çelikgün, Bahtiyar; Büyükkal, Furkan; Koçoğlu, M. Esra; Kalcıoğlu, Mahmut Tayyar; Akşit, Ateş Mehmet
Background: The study aims to investigate the microbial contamination of commonly used audiological diagnostic equipment and to evaluate the effectiveness of existing disinfection methods in audiological clinics. Methods: Hospitals with fully equipped audiology clinics in Istanbul were included in the study. Various audiological diagnostic devices and disinfection practices in hospitals were examined. A total of 60 swab samples were collected from the stimulus button on the audiometer, patient response switch, supra-aural headphone cushion, bone conduction headphone, and disinfected probe tips used in the Tympanometer and Auditory Brainstem Response. Results: Bacterial growth was observed on 40% of the analyzed plates, with 11.66% showing 2 different types of bacterial growth. Staphylococcaceae family were the most common bacteria identified. Other bacteria included Pseudomonas putida, Pantoea spp., Micrococcus luteus, Corynebacterium spp., and Bacillus spp. The highest bacterial growth occurred on the supra-aural headphone cushion and bone vibrator. Conclusions: The study highlights the presence of various bacteria on audiological diagnostic equipment, emphasizing Staphylococcus species as predominant. Current disinfection practices, particularly for supra-aural headphones and bone vibrators, were found to be inadequate, potentially posing risks for infections. The study suggests the need for disinfection protocols, particularly for frequently touched devices, to ensure patient safety in clinics.
The relationship between p300 and central auditory processing test result
(2023) Yeral, Cem; Şerbetçioğlu, Bülent
Background: Central auditory processing (CAP) refers to the perceptual processing of auditory inputs in the central nervous system and includes a series of auditory skills such as sound localization, auditory pattern recognition, and temporal sequencing which is a component of temporal processing. This skill can be assessed by frequency pattern test (FPT) and duration pattern test (DPT). Auditory attention is another skill that contributes to the CAP and can be analyzed by the P300. Purpose: This study assesses the relationship between the P300 latency and the CAP test results of individuals with normal hearing. Research Design: An experimental study was used in which the determined tests were applied to the participants. Study Sample: Thirty-four individuals with normal hearing between the ages of 20 and 40 years were included in the study. Data Collection and Analysis: P300, FPT, and DPT were applied to the participants. The Spearman correlation test and Mann-Whitney U test were used for analysis. Results: There were significant moderate and strong-level negative correlations between P300 latency and the scores obtained from frequency pattern and DPT (p < 0.01). We also analyzed whether P300 latency and frequency pattern and DPT scores differed according to gender and, as a result, did not find significant relationship (p > 0.05). Conclusion: We observed that frequency pattern and DPT scores decreased as P300 latency increased. We propose that these results could contribute to the diagnosis and follow-up process of CAP disorder by allowing P300 and CAP tests to be cross-checked.
Investigation of postural stability in patients individuals who have recovered covid-19
(2024) Gençtürk, Ertuğrul; Taşcı, Betül; Yılmaz, Oğuz; Altın, Gökhan; Şerbetçioğlu, Mustafa Bülent
Objective The study aimed to examine postural stability changes in individuals who have recovered from COVID-19 infection. Methods Fifty patients who recovered from the COVID-19 infection and 50 healthy controls were compared using the dizziness handicap inventory (DHI), a modified clinical test of sensory interaction balance (mCTSIB), limits of stability (LOS), rhythmic weight shift (RWS), and Romberg and fall risk (FR) tests. Results Regarding mCTSIB, regardless of gender patients, female patients, or male patients, there were no significant differences from controls (p > 0.05). There was a significant difference in LOS between the patients and controls regarding (p < 0.05) in some parameters. There was a significant difference between the patients and controls concerning RWS (p < 0.05) for some parameters. There was a significant difference between the patients and controls regarding the Romberg test in some parameters (p < 0.05). There was no statistically significant difference between the patients and control groups regarding FR. Conclusion Studies in which the effects of COVID-19 infection sequels have been evaluated on the vestibular system in the literature are subjective. The main concern is the prevalence of dizziness or vertigo in subjective studies. There may be a decrease in postural reflexes in female individuals who recovered from the COVID-19 infection in this study, thanks to the objective test measurement. Increased oscillations with eyes closed on regular ground and soft ground in the Romberg test may likely indicate vestibular problems.
Correlations between auditory brainstem and steady-state responses as a function of age, and severity and configuration of hearing loss
(2024) Yılmaz, Oǧuz; Gündoǧdu, Oǧulcan; Mutlu, Berna Özge; Yaman, Handan; Yatmaz, Caner; Bayazıt, Dilara; Bayazıt, Yıldırım Ahmet
Objective The aim of this study was to assess whether the age of patients and severity and configuration of hearing loss would impact on the correlations between auditory brainstem response (ABR) and auditory steady-state response (ASSR) results. Methods ASSR and ABR test results of 806 ears were evaluated retrospectively. Results The ASSR thresholds correlated significantly with click ABR (c-ABR) thresholds (p < 0.01), especially at 2 to 4 kHz. The correlations were significant in all age groups and severities and configurations of hearing loss (p < 0.01). Conclusions Since c-ABR responses help detect hearing thresholds between 2 and 4 kHz and ASSRs help detect hearing thresholds between 0.5 and 4 kHz, these tests should be complementary when low frequencies are also involved in hearing loss. Otherwise, the outcomes of ABR and ASSR tests seem comparable independent of age of the patients and configuration and severity of hearing loss.
Evaluation of professional satisfaction of audiologists working in Türkiye based on their personality characteristics and sector of work
(2024) Çelikgün, Bahtiyar; Büyükkal, Furkan; Minga, Recep; Ölçek, Gül
Purpose: This study investigates the relationship between audiologists' personality traits and professional satisfaction. Design: Big Five-50 Personality Traits and Professional Satisfaction Scale was used to examine the relationship between audiologists' personality traits and professional satisfaction. Statistical analyzes were performed with SPSS and AMOS programs. Study example: This study examines 167 audiologists who completed a minimum of an undergraduate program in audiology before the professional field. Results: The results of confirmatory factor analysis indicate that both scales are reliable and valid. There is a significant relationship between extraversion, agreeableness, conscientiousness, and emotional stability and occupational satisfaction. However, there is no significant relationship between intelligence/imagination and professional satisfaction. Conclusions: Extraversion, agreeableness, conscientiousness, emotional stability/neuroticism affect job satisfaction. Understanding these dynamics can inform strategies that will increase the professional wellbeing and productivity of audiologists.
The current publication rate of audiology master’s and doctoral theses in peer-reviewed journals: 2023
(2024) Çelikgün, Bahtiyar
Objective: This study aims to compare the publication rates of audiology master's and doctoral theses completed in 2017 and to investigate the effectiveness of the "publication of theses before graduation" rule applied by some universities. Materials and Methods: The participants' age range, gender, degrees, graduation year, private/state university graduation, institutions where they proceeded to their business life, and publication status of their master's and doctoral theses were questioned using a survey consisting of 16 multiple-choice as well as two open-ended questions. The study comprised 71 participants who completed their master's or doctoral degrees in audiology in 2017 and later. The descriptive statistic and Chi-Squared test were used for statistical analysis using the Statistical Package for the Social Sciences (SPSS) version 23.0. Results: Thirty-five of the 62 (56.45%) master’s theses were presented at an international (n=21, 33.87%) or national (n=14, 22.58%) congress as oral/poster presentations. Thirty-three of the 62 (53.22%) master’s theses were published as articles in national and international peer-reviewed journals. Additionally, of the 16 doctoral theses, two (12.5%) were presented as oral/posters at a national and five (31.25%) at an international congress. Ten of the 16 theses (62.5%) were published in an international SCI/SCIE journal. Conclusion: The rate of publication of master's and doctoral theses in national journals has decreased while the rate of publication in international journals has more than doubled. It was concluded that the "publishing theses before graduation" rule significantly increased the publication rates in international journals.
Does migraine affect central auditory processing abilities?
(2024) Yeral, Cem; Yaman, Handan; Gündoğdu, Oğulcan; Mutlu, Berna Özge; Polat, Burcu; Yılmaz, Oğuz
Objective: Migraine is a neurological disease associated with an altered cortical excitability level. Several studies have investigated the relationship between migraine and central auditory processing (CAP), with deficits in CAP being common among migraine patients. However, studies on the factors affecting these CAP changes observed in migraine patients are still few and controversial. This study aims to investigate CAP changes in migraine patients with Duration Pattern Test (DPT) and Frequency Pattern Test (FPT), which have not been used in previous studies. Methods: Sixty subjects were divided into two groups and one migraine subgroup: control group, twenty normal healthy subjects, fourty subjects diagnosed with migraine. They were evaluated using the CAP test including DPT and FPT. To identify the variables and possible effects of the variables, a questionnaire describing the characteristics of migraine features was administered to participants with migraine. Results: No significant difference was found the between the control and study group in CAP tests scores. No significant correlation was found between migraine characteristics and CAP tests scores. Males had significantly higher FPT scores in both ears than females (p<0.05). Significant statistical negative correlation was found between age and FPT scores for both ears and left DPT scores (p<0.05). Conclusion: Although migraine patients generally showed lower CAP ability than the control group, no significant difference was observed between them. This was also valid for subgroups of migraine. However, as age increased in the migraine group, a significant decrease in CAP performance was observed. It was observed that male migraine patients had better CAP ability, especially FPT scores. Migraine may affect performance in CAP depending on gender and age factors.
Evaluation of noise-canceling strategies used in the oticon medical neuro cochlear implant systems
(Koninklijke Belgische Vereniging voor ORL Gelaat en Halschirugie, 2024) Çelikgün, Bahtiyar; Gürkan, Selhan
Objective: Oticon Medical cochlear implant (CI) systems were evaluated for noise reduction effectiveness using voice track (VT) and adaptive directional microphones to determine the optimum CI fitting parameters, especially in noisy environments. Methods: Ten CI users (3 females, mean age 28.22; 7 males, mean age 36.71) participated in the study. Speech recognition in noise was evaluated in different test conditions with 2-syllable word lists in stationary speech-shaped noise. Five different test conditions were determined for each participant using a combination of software-based VT and directional microphone technology. In the first condition, the omnidirectional microphone (M) was selected and VT was turned off. The fully directional M and strong VT combination were activated in the second condition. In the third condition, the omnidirectional M and strong VT were set. In the fourth condition, automatic adaptive directional M and medium VT were used. Finally, omnidirectional M and medium VT were selected. Results: Speech comprehension scores obtained in a quiet environment were significantly better than those of the other 4 conditions in a noisy environment (P < .01). In addition, the best noise comprehension score (44%) was obtained in the fourth condition, although this was not statistically significant (P < .05). Conclusion: The VT technology was more effective in understanding speech in noise when used in the medium setting and with an automatic adaptive directional microphone.
Investigation of central auditory processing performance in individuals with and without stuttering
(Elsevier Inc., 2024) Koca, Tuğçe; Belgin, Erol; Ölçek, Gül
Background: Differences in core auditory processing abilities, such as sound timing, frequency discrimination, auditory perception, and auditory memory, have been suggested in stutterers, despite the fact that the precise origin of stuttering is not entirely understood. It is suggested that these differences may play a role in the development of stuttering. The aim of our study is to assess the temporal central auditory processing performance in individuals with stuttering and compare it to individuals without stuttering to uncover potential differences stuttering and compare it to individuals without stuttering to reveal potential differences. Method: In current study, a total of 60 right-handed participants between the ages of 8 and 17 were included, divided into two balanced groups based on age, education, and gender: individuals with stuttering (n = 30) and individuals without stuttering (n = 30). All participants underwent the Frequency Pattern Test, Duration Pattern Test, and Gaps-In-Noise test. Results: Individuals who stutter showed lower performance in the gap detection threshold and the percentage of total correct gap identification parameters of the Frequency Pattern Test, Duration Pattern Test, and Gaps-In-Noise test compared to fluent speakers. Conclusions: The findings indicate a potential relationship between stuttering and central auditory processing. In this context, incorporating central auditory processing measures into the assessment and therapy processes for stuttering may enhance the likelihood of obtaining more accurate results.
Preliminary study: The test technique for the evaluation on spatial navigation in the absence of visual data in healthy individuals
(Tehran University of Medical Sciences, 2024) Yılmaz, Oğuz; Kurtuluş, Ceren; Ersin, Kerem; Gündoğdu, Oğulcan; Eti, Serkan; Şerbetçioğlu, Mustafa Bülent
Background and Aim: Path integration refers to the capability of utilizing self-motion information produced by one’s own bodily movements to accurately determine and maintain one’s position in space. Typically, path integration mechanisms come into play when visual information is limited or absent. The objective of this study was to develop a path integration test that relies solely on self-motion cues derived from body movements, without the involvement of visual cues. Methods: The study involved 157 volunteers (86 females and 71 males) aged between 18 and 70 years. Participants were asked to walk on a coordinated ground with their closed eyes and follow the six different commands. They were, after that, requested to return their initial position. Movement time was manually measured by the stopwatch. The distance between the original reference point and estimated starting point was recorded. Results: The second command that showed the lowest standard deviation out of the six commands given to the participants was observed as the more reliable test among the other commands (47.51±33.75). In addition, the completion time of the second command increased with increasing age (p[removed]
Peripheral vestibular system involvement in multiple sclerosis and associations with the disease severity
(Karger, 2023) Aydın Cantürk, İlknur; Mutlu, Berna Özge; Yılmaz, O?uz; Bayazıt, Yıldırım Ahmet
Introduction: Multiple sclerosis (MS) is an autoimmune disease that can affect balance, gait, and improve fall risk. The aim of this study was to investigate peripheral vestibular system involvement in MS and associations with the disease severity. Methods: Thirty-five adult patients with MS and 14 age- and gender-matched healthy controls were evaluated using video head impulse test (v-HIT), cervical vestibular evoked myogenic potential (c-VEMP), ocular vestibular evoked myogenic potentials (o-VEMPs), and sensory organization test (SOT) of computerized dynamic posturography (CDP). The results of both groups were compared, and association with EDSS scores was evaluated. Results: There was no significant difference between the groups regarding v-HIT and c-VEMP results (p > 0.05). There was no association of the v-HIT, c-VEMP, and o-VEMP results with EDSS scores (p > 0.05). There was no significant difference between the o-VEMP results of the groups (p > 0.05) except for N1-P1 amplitudes (p = 0.01). The amplitudes of N1-P1 were significantly lower in the patients compared to controls (p = 0.01). There was no significant difference between the SOT results of the groups (p > 0.05). However, significant differences were found within and between groups when the patients were categorized according to their EDSS scores with a cutoff point of 3 (p < 0.05). There were negative correlations between the EDSS scores and composite (r = -396, p = 0.02) and somatosensory (SOM) scores (r = -487, p = 0.04) of CDP in the MS group. Conclusion: Although central and peripheral balance-related systems are affected in MS, the impact of disease on the peripheral vestibular end organ is subtle. In particular, the v-HIT, which was mentioned previously as a detector of brainstem dysfunction could not be a reliable tool in the detection of brainstem pathologies in MS patients. The o-VEMP amplitudes may be affected in the early stages of the disease, possibly due to the crossed ventral tegmental tract, oculomotor nuclei, or interstitial nucleus of Cajal involvements. An EDSS score >3 seems a cutoff level indicating abnormalities in balance integration.
A retrospective study on tinnitus prevalence and disease associations in the hospital based population
(Wolters Kluwer Medknow Publications, 2023) Yılmaz, Oğuz; Yeral, Cem
Background: Tinnitus is the perception of sound, which is not generated by external stimulus. Due to its clinical heterogeneity, lack of objective measurements and accompanying symptoms, a gold standard treatment, i.e., effective for every patient has not been established yet. The aim of the present study was to assess the prevalence and characteristics of tinnitus, disease, and lifestyle factors associated with tinnitus. Materials and Methods: Data were obtained from a total of 224 patients (mean age 46.21 ± 12.65), 141 men and 83 women, who attended the audiology department between 2015 and 2021. Results: We found that the tinnitus pitch perception (PP) of males was significantly higher than females (P < 0.001). In addition, we observed a significant positive correlation between tinnitus PP and tinnitus loudness perception (P < 0,005). 12.1% (27 patients) of the individuals included in the study had metabolic disorders (Vitamin D deficiency, diabetes, and cholesterol). Fifty-four percent (121 patients) of the individuals included in the study had normal hearing. Conclusions: Metabolic and cardiovascular diseases should be taken into account for tinnitus anamnesis. The amount of tinnitus patients with normal hearing is also notable.
fNIRS-based evaluation of the impact of SARS-CoV-2 infection central auditory processing
(Wiley, 2023) Yaman, Handan; Yılmaz, Oğuz; Hanoğlu, Lütfü; Bayazıt, Yıldırım
ObjectivesCoronavirus disease-2019 due to SARS-CoV-2 infection has been associated with neurological and neuropsychiatric illnesses as well as auditory system problems. In this study, we aimed to evaluate the impact of SARS-CoV-2 infection on the central auditory system by assessing the hemodynamic activation changes using functional near-infrared spectroscopy (fNIRS).MethodsThree participants who had SARS-CoV-2 infection (study group) and four participants who had no SARS-CoV-2 infection (control group) were included in the study. During the auditory oddball task in which two different frequencies of tonal stimulation were presented at 80 dB HL, the participants were asked to pay attention to the rare tonal stimulation and mentally count these target stimuli throughout the task. During this task, oxygenated hemodynamic response functions were evaluated with fNIRS.ResultsSignificantly increased oxygenated hemodynamic responses were observed in both groups during the task (p < .05), which was significantly higher in the study group (p < .05). Significantly more HbO activation was observed in the vmPFC, superior temporal gyrus, and medial temporal gyrus in the study group compared to controls (p < .05). Significantly higher hemodynamic activation was observed in the right hemisphere in both groups, which was significantly higher in the study group (p < .05).ConclusionSARS-CoV-2 infections may impact on central auditory processing or auditory attention due to changes in oxyhemoglobin levels in the frontal and temporal brain regions. It seems that SARS-CoV-2 infection is associated with an additional load on neural activity, and difficulties in focusing in auditory attention, following speech and hearing in noise as well as increased effort to perceive auditory cues.
Effects of cognitive functions on speech recognition in noise in cochlear implant recipients
(Karger, 2023) Gündoğdu, O?ulcan; Şerbetçioğlu, Mustafa Bülent; Kara, Eyyüp; Eser, Büşra Nur
Introduction: There are substantial differences in speech recognition performance of adult cochlear implant (CI) recipients. This study investigated the effects of cognitive function on speech recognition in CI recipients. Methods: The verbal working memory of 36 adults with unilateral CIs was tested using digit span tests. Attention and inhibition abilities were assessed by using the Stroop test (both congruent and incongruent tasks). Speech recognition in noise was measured using the Turkish matrix test. Results: A moderate negative correlation was observed between the critical signal-to-noise ratio obtained via speech recognition in noise test and the digit span test scores (backward and digit span total scores). There was no correlation between Stroop test scores and speech recognition in noise in CI recipients. Conclusion: The findings indicated that verbal working memory correlated well with speech recognition outcomes in adult CI recipients and that higher working memory capacity led to better speech recognition performance in noise.
Saf ses odyometride dar bant ve geniş bant gürültünün santral inhibisyon üzerine etkisinin işitme kayıplı bireylerde incelenmesi
(Pleksus Bilişim Teknolojileri Danışmanlık Temsil. ve Org. A.Ş., 2022) Gençtürk, Ertuğrul; Taşçı, Betül; Yılmaz, Oğuz; Şerbetçioğlu, Mustafa Bülent
Amaç: Bu çalışmada dar bant ve geniş bant gürültü kullanımının işitme kayıplı bireylerde santral inhibisyon değerlerine olan etkilerinin karşılaştırılması amaçlanmıştır. Gereç ve Yöntemler: 37 kişiye öncelikli olarak otoskopik bakı, saf ses odyometrisi, konuşma odyometrisi ve timpanometrik değerlendirmeleri yapılarak işitme kaybının lokalizasyonu, tipi ve derecesi belirlenmiştir. Ardından katılımcıların saf ses işitme eşiklerindeki değişiklikler test edilmeyen kulağa sırasıyla gürültü verilmeden, dar bant ve geniş bant gürültü verilerek test edilmiştir. Bulgular: Sensörinöral işitme kayıplı olgularda 250, 500, 2000 ve 8000 Hz frekanslarında; iletim tipi işitme kayıplı olgularda ise 250,500 ve 1000 Hz frekanslarında geniş bant gürültü kullanımı, eşik kaymasını azaltarak eşiklerde istatistiksel olarak anlamlı değişikliğe neden olmuştur (p<0,05). Sonuç: Çalışmamızda iletim tipi ve sensörinöral tip işitme kayıplarında geniş bant gürültünün kullanımının eşik kaymasını azaltarak daha güvenilir eşik tayinine neden olduğu tespit edildi.
Comparison of children with and without dyslexia using functional head impulse test and pediatric balance scale
(Frontiers Media S.A., 2023) Ölçek, Gül; Çelik, İlayda; Başo?lu, Yuşa; Kaymakçı, Sude; Gürlek, Emre
PurposeThe aim of this study is to compare functionality of vestibulo-ocular reflex (VOR) responses to evaluate the functional properties of the vestibular system and daily balance performance in children with dyslexia and children with normal development. MethodFifteen participants diagnosed with dyslexia were included in the study group (SG), and 15 healthy participants were included in the control group (CG). All groups underwent Functional Head Impulse Test (f-HIT) and Pediatric Balance Scale (PBS). f-HIT was performed with at least 15 head impulses at 4000-5000-6000 degrees/s(2) randomly to the right and left in the plane of the horizontal semicircular canal (SCC). Statistical analysis was performed using descriptive statistics and the Mann-Whitney U test. ResultsSG percentage values were obtained lower than CG percentage values. Comparisons between the two groups showed that there was a significant difference in all parameters (4000-5000-6000 degrees/s(2) and total) in the right-side stimulation, there was significant difference for 4,000 s(2) and total correct answers in the left side. In addition, although there was no significant difference between the groups in terms of the PBS score, the SG scores were lower (p = 0.062). ConclusionsAs a novel test, f-HIT, revealed the difference in functionality of vestibular performance in the dyslexia group. In the dyslexia group, f-HIT may be helpful in evaluating and monitoring the vestibular system.
Appropriate image selection with virtual reality in vestibular rehabilitation: Cross-sectional study
(JMIR Publications Inc., 2023) Ersin, Kerem; Gürlek, Emre; Güler, Hakan; Kalaycık Ertugay, Çi?dem; Şerbetçio?lu, Mustafa Bülent
Background: While vestibular rehabilitation with virtual reality (VR) is becoming more popular every day, the disadvantages of this method are not yet clear. Objective: The aim of this study is to examine the effect of the image to be used in vestibular rehabilitation with VR on the systems that provide body posture. Methods: The study was carried out with 36 participants (18 women and 18 men) aged 18 to 30 years. To assess balance control components separately, a sensory organization test was administered to the participants in the presence of stressful and relaxing environment images with VR technology. The State-Trait Anxiety Inventory survey was also used to measure the stress values in the created environments. Results: The State-Trait Anxiety Inventory survey revealed that while stressful videos significantly increased stress, relaxing videos reduced stress. Among measurements obtained in the presence of VR, significant decreases were observed mostly in the visual system data. A significant increase in vestibular system data (P=.01) was observed with a decrease in visual system data (P<.001) when the relaxing image was presented. Additionally, there was a significant difference in the somatosensory (P=.001), composite (P=.002), and visual system (P[removed]
The effect of remote fitting technology on hearing aid satisfaction
(Springer Medizin, 2023) Çelikgün, Bahtiyar; Büyükkal, Furkan
Background: Telemedicine is a method of providing remote healthcare services and consultations to patients using communication technology. Tele-audiology is a sub-branch of telemedicine. It refers to providing audiology services using telehealth strategies. This study aims to compare the satisfaction of patients who come to the hearing aid center and receive device fitting service and patients who have hearing aid fitting using tele-audiology service. For this purpose, hearing aid users were divided into two groups. The study group consisted of 17 participants (10 male, 7 females; mean age 65.17 ± 13.88) who continued fitting appointments remotely after the first clinic application, while the control group consisted of 23 participants (10 males, 13 females; mean age 62.17 ± 18.32) who had all hearing aid fittings performed face-to-face in the clinic. The participant’s satisfaction was assessed with The International Outcome Inventory for Hearing Aids Turkiye (IOI-HA-TR) questionnaire because it is practical and can be administered over the phone. Results: There were no significant differences in hearing aid satisfaction between those who came to the hearing center and filled out the IOI-HA-TR questionnaire personally and those who completed it through the Remote Care application (p < 0.05). In addition, most of the participants stated that using Remote Care solved their problems (35% very good, 24% good) and they were satisfied with the fitting of their hearing aids with this application (35% good, 29% very good). In addition, 13 out of 17 participants stated that they would pay attention to the “remote fitting” feature when purchasing a new hearing aid (76% very good). Moreover, they would like to continue the fitting using the Remote Care application (65% yes). Conclusion: Remote fitting technology via smartphone applications can facilitate the lives of hearing aid users and improve their quality of life in cases of risky conditions such as pandemics, various diseases, and physical limitations.
Can auditory and vestibular findings differentiate vestibular migraine and meniere’s disease?
(Korean Audiological Society and Korean Otological Society, 2023) Yaman, Handan; Polat, Burcu; Şerbetçioğlu, Mustafa Bülent
Background and Objectives: Besides evaluating the auditory and vestibular systems of patients with vestibular migraine (VM) and Meniere's disease (MD), this study aimed to examine the clinical overlaps between these two conditions by detailed evaluation of the patient's symptoms. Subjects and Methods: The ears of the patients with VM and MD were evaluated and patients' vestibular and auditory complaints were questioned particularly. Pure tone audiometry, vestibular evoked myogenic potential (VEMP) responses, and caloric test results were evaluated for objective measurements. Results: The VM group had better air-conduction and bone conduction threshold and speech reception threshold and speech discrimination score test values (p<0.05). Regarding the interaural N1-P1 asymmetry ratio, the cervical VEMP between the groups had significant differences (p=0.019). The MD group had more unilateral tinnitus and ear fullness complaints and canal paresis results (p<0.01). The VM group had more motion sickness complaints (p<0.01). Conclusions: If only ears with hearing loss are evaluated; there was no significant difference between VM and MD, but regardless of hearing level or only the patients with normal hearing were evaluated, the VM group had better hearing levels. It should be considered that patients with VM may have VM-independent hearing loss, and patient complaints should be sufficiently detailed to make an accurate distinction from MD.J Audiol Otol.
Normalization of masseter VEMP and comparison with cervical VEMP in normal individuals
(Springer Medizin, 2023) Kılınç, Ezgi; Gençtürk, Ertuğrul; Taşcı, Betül; Şerbetçioğlu, Mustafa Bülent
Objectıve: The objective of this study is to obtain normative data of the masseter vestibular-evoked myogenic potential (mVEMP) test in healthy individuals without hearing loss and dizziness and to compare the responses with the cVEMP test. Methods: Twenty healthy individuals (10 males and 10 females) aged 20–30 years without auditory and vestibular disorders participated in the study. First, mVEMP and then cVEMP tests were applied to the individuals who voluntarily participated in the study. Results: Latency values of the air-conducted mVEMP were 15.90 ± 1.68 ms for P1 and 25.86 ± 1.48 ms for N1 and 9.96 ± 1.50 ms for interpeak latencies. P1N1 amplitude value was 97.89 ± 37.34 ?V and asymmetry ratio (AR) was 0.13 ± 0.07. The normative data for the mVEMP threshold was found 84 dB nHL. According to the gender difference in mVEMP measurement parameters, the P1 latency of women was found shorter than the P1 latency of men at all stimulus intensities except 90 dB nHL. There was no statistically significant difference between mVEMP and cVEMP test results in all other severity and all parameters except P1 latency at 100 dB and interpeak latency at 100 dB (p > 0.05). Conclusıon: In conclusion, it was the study findings suggest that obtaining normative data on mVEMP could be used as an auxiliary test in the evaluation of the vestibular and trigeminal pathway and the evaluation of patients with various peripheral and central vestibular disorders.

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