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    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, Evren
    Objective: 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.
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    vHIT results with the synapsis system according to clinicians' dominant hand use
    (Ios Press, 2023) Emekci, Tugba; Dundar, Mehmet Akif; Kirazli, Gulce; Inceoglu, Feyza; Cengiz, Deniz Ugur; Kilinc, Fatma Men; Arbag, Hamdi
    BACKGROUND/OBJECTIVE: There exists limited information in the literature on dominant hand preference in relation with vHIT applications. The present study aimed to examine the relationship between the clinician's dominant use of rightor left-hand and vHIT results. METHODS: A Synapsys vHIT Ulmer device was used in the study. The tests were administered by 3 clinicians experienced in vHIT, 2 of whom were right-handed and 1 left-handed. The test was applied to the 94 participants three times, one week apart. RESULTS: In this study, the correlation between right-handed clinicians and left-handed clinicians was examined, and in all SCCs, namely RA, LA, RL, LL, RP and LP, a moderate positive significant correlation was found between right-handed1 and right-handed2, between right-handed1 and left-handed, and between right-handed2 and left-handed. CONCLUSIONS: In this study, these findings suggested that measures were reliable across test sessions regardless of hand dominancy (right or left). Based on the vHIT results we obtained with three different right- or left-handed clinicians, the clinician should evaluate the results according to the dominant side. Keywords: Hand-dominance, left-hand dominance, right-hand dominance,