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Öğe Effects of Gaze Position on Ocular Vestibular Evoked Myogenic Potential (oVEMP)(Dokuz Eylül Üniversitesi, 2023) Cengiz, Deniz Uğur; Demir, İsmail; Çolak, Sanem Can; Demirel, Sümeyye; Karababa, Ercan; Bayindir, Tuba[Abstract Not Available]Öğe Effects of the Kahramanmaras, Turkey 2023 earthquakes on balance perception, dizziness and post-traumatic stress: A relational screening model between subjective balance problems and post-traumatic stress(Elsevier Sci Ltd, 2024) Cengiz, Deniz Ugur; Inceoglu, Feyza; Karababa, Ercan; Polat, Ani Parabakan; Yilmaz, Tugba; Kuntman, Berna Deniz; Hizal, EvrenObjective: The aim of the present study was to investigate the effects of the February 6, 2023, earthquakes in Turkey and recurrent aftershocks on balance and post-traumatic stress in surviving victims. Methods: Our study included 1004 participants aged 18 -65 years who were exposed to the February 6 earthquakes and aftershocks in Turkey. After obtaining online consent from all participants, the Vertigo Symptom Scale (VSS), the Dizziness Handicap Index (DHI), and the Posttraumatic Post-Traumatic Disorder Checklist Scale (PCL-5) were administered online, and the interactions between the variable sets were examined using a correlational screening model. Results: As a result of the structural equation model established with the observed variables, it was found that VSS total scores had a statistically significant positive effect on PCL-5 (beta 1 = 0.56; p = 0.001 < 0.05). In addition, statistically significant positive high-level correlations were found between VSS and DHI (cov(VSS-DH)I = 0.71), and a positive low level correlation with the number of days with dizziness (cov(VSS-number of days with dizziness) = 0.34), and a positive low level correlation with frequency of days with dizziness (cov VSS-frequency of days with dizziness = 0.37). A statistically significant positive low-level relationship was found between DHI and the number of days with dizziness (cov(DHI-number of days with dizziness) = 0.34) and a positive low-level correlation between DHI and the frequency of days with dizziness (cov(DHI-frequency of days with dizziness) = 0.29). Conclusion: The structural equation modeling analysis showed that post-traumatic stress disorder had a significant effect on balance and dizziness.Öğe Evaluation of the efferent auditory system in COVID-19 adult patients(Taylor & Francis, 2022) Emekci, Tuğba; Dündar, Mehmet Akif; Kirazlı, Gülce; Men Kılınç, Fatma; Cengiz, Deniz Uğur; Karababa, Ercan; İnceoğlu, Feyza; Arbağ, HamdiBackground: The short- and long-term effects of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection on the medial olivocochlear reflex and outer hair cells in the cochlea remain largely unclear. Aims: The aim of this study was to investigate the efferent auditory system effects in adult patients with COVID-19. Materials and methods: The study included 18–50 years old 44 volunteers: 26 individuals (52 ears) with COVID-19 in the study group and 18 healthy individuals (36 ears) in the control group. Otolaryngological examination, immitancemetric evaluation, distortion product otoacoustic emission (DPOAE), contralateral acoustic stimulation with DPOAE, audiometric evaluation, and high frequency audiometric evaluation were performed in all individuals participating in the study. Results: In our study, patients with COVID-19 had significantly lower DPOAE results with or without broadband noise at only 6 kHz frequency and contralateral suppression results at all frequencies compared to healthy individuals. A statistically significant difference was found between the study and control groups according to whether the participants had a response in the high frequency audiometry at 12 and 16 kHz frequencies. Conclusions: COVID-19 affects many systems in the body. As a result of the findings obtained in the present study, it is shown that the auditory efferent system may also be affected.Öğe Role of the functional head impulse test in evaluating vestibulo-ocular reflex abnormalities in individuals with Parkinson's disease(Wiley, 2023) Karababa, Ercan; Sonkaya, Ali Riza; Satar, Bulent; Korkmaz, HanifiPurposeTo assess vestibular-ocular reflex (VOR) function in patients with Parkinson's disease (PD) using a new method called functional head impulse test (fHIT).Study DesignCase-control study.SettingTertiary medical center.ParticipantsTwenty individuals with PD were recruited for PD group, and twenty healthy individuals for the control group. Ages of both groups ranged from 47 to 76 years.Main Outcome MeasuresAccording to the modified Hoehn-Yahr score, PD group was classified as an early stage with a range of 1-2.5 and a mid-late stage with a range of 3-5. Percentage of correct answers (%CA) was calculated using fHIT for lateral, anterior and posterior semicircular canal (SCC) planes.ResultsPD group had statistically lower fHIT %CA in the right lateral, left lateral, and left posterior SCC planes compared to control group (p < .05). There was no statistical difference between two PD severity groups and functional VOR abnormality.ConclusionIt was concluded that the functional VOR in the right lateral and left lateral and left posterior SCC plane was affected in individuals with PD. Our results show that impaired VOR and reduced dynamic visual acuity should be considered in individuals with PD for vestibular rehabilitation exercises.
