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Author: search.filters.author.Erbek, Hatice Seyrasearch.filters.applied.f.rights: search.filters.rights.info:eu-repo/semantics/openAccess

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    Comparison of Compressed High-Intensity Radar Pulse and Tone Burst Stimulation in Vestibular Evoked Myogenic Potentials in Acute Peripheral Vestibular System Pathologies
    (2023) Aydin, Berna Deniz; Erbek, Hatice Seyra; 0000-0002-8453-6069; 0000-0003-0038-8167; 36975085; AAJ-2445-2021
    BACKGROUND: It is ascertained that the compressed high-intensity radar pulse (CHIRP) is an effective stimulus in auditory electrophysiology. This study aims to investigate whether Narrow Band Level Specific Claus Elberling Compressed High-Intensity Radar Pulse (NB LS CE-CHIRP) stimulus is an effective stimulus in the vestibular evoked myogenic potentials test. METHODS: A case-control study was designed. Fifty-four healthy participants with no vertigo complaints and 50 patients diagnosed with acute peripheral vestibular pathology were enrolled in this study. Cervical and ocular vestibular evoked myogenic potential tests (cervical vestibular evoked myogenic potentials and ocular vestibular evoked myogenic potentials) with 500 Hz tone burst and 500 Hz Narrow Band Level Specific CE-CHIRP stimulations were performed on all participants. In addition, cervical vestibular evoked myogenic potentials and ocular vestibular evoked myogenic potentials tests with 1000 Hz tone burst and 1000 Hz Narrow Band Level Specific CE-CHIRP were performed on 24 Meniere's disease patients. P1 latency, N1 latency, amplitude, threshold, and the asymmetry ratio of responses were recorded. RESULTS: In healthy participants, with CHIRP stimulus, shorter P1 latency (P <.001), shorter N1 latency (P <.001), and lower threshold (P =.003) were obtained in the cervical vestibular evoked myogenic potentials test; shorter P1 latency (P <.001), shorter N1 latency (P <.001), higher amplitude (P <.001), and lower threshold (P <.001) were obtained in ocular vestibular evoked myogenic potentials test. In symptomatic ears of patients, with CHIRP stimulus, shorter P1 latency (P <.001), shorter N1 latency (P <.001), and lower threshold (P =.013 in cervical vestibular evoked myogenic potentials; P =.015 in ocular vestibular evoked myogenic potentials) were obtained in cervical vestibular evoked myogenic potentials and ocular vestibular evoked myogenic potentials tests. In asymptomatic ears of patients, with CHIRP stimulus, shorter P1 latency (P <.001) and shorter N1 latency (P <.001) were obtained in the cervical vestibular evoked myogenic potentials test; shorter P1 latency (P <.001), shorter N1 latency (P <.001), higher amplitude (P <.001), and lower threshold (P =.006) were obtained in ocular vestibular evoked myogenic potentials test. CONCLUSION: Our results suggest that due to higher response rates, shorter latencies, higher amplitude, and lower threshold values, the Narrow Band Level Specific CE-CHIRP stimulus is an effective stimulus for both cervical vestibular evoked myogenic potentials and ocular vestibular evoked myogenic potentials tests.
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    Evaluation of Mental Rotation Ability in Patients with Unilateral Benign Paroxysmal Positional Vertigo
    (2023) Polat, Ani Parabakan; Demir, Serpil; Kale, Ozge; Kuntman, Berna Deniz; Erbek, Hatice Seyra; 0000-0002-8453-6069; 38088328; AAJ-2445-2021
    BACKGROUND: Our study aims to determine whether there are differences in mental rotation abilities between unilateral benign paroxysmal positional vertigo patients and healthy controls using object-based mental rotation tasks. METHODS: Our study included 17 unilateral posterior canal benign paroxysmal positional vertigo patients and 20 healthy adults. Spontaneous nystagmus test, saccade test, and dynamic positional tests with videonystagmography and object-based mental rotation test with 2-dimensional images of cubes rotated at certain angles in 3-dimensional space were performed on the participants. The mental rotation test response time and the number of correct answers were compared between patients and controls. We also evaluated whether there was a relationship between saccade test parameters and mental rotation test parameters in our study. RESULTS: No significant relationship was found between benign paroxysmal positional vertigo patients and controls on any of the dependent measures (P >.05). When we evaluated the relationship between saccadic latency and accuracy and mental rotation test response time and number of correct answers in benign paroxysmal positional vertigo patients, no significant relationship was found (P >.05). CONCLUSION: Our findings show that unilateral, posterior canal benign paroxysmal positional vertigo does not affect object-based mental rotation performance. In our study, no correlation was found between saccadic function and mental rotation ability in unilateral benign paroxysmal positional vertigo patients.
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    Submandibular Gland Surgery: Our Clinical Experience
    (2016) Erbek, Selim Sermend; Koycu, Alper; Topal, Ozgul; Erbek, Hatice Seyra; Ozluoglu, Levent Naci; 0000-0002-2150-0237; 0000-0001-6305-5023; 29392010; AAI-8020-2021; ABI-6777-2020
    Objective: The aim of this study was to assess the demographic findings and surgical results of patients who underwent submandibular gland excision at a tertiary care center. Methods: The clinical characteristics and histopathological results of 45 patients who had undergone submandibular gland excision between 1997 and 2014 were evaluated in detail. Results: Twenty-eight (62.2%) and 17 (37.8%) patients presented with a complaint of a painful mass and painless mass, respectively. Histopathologic investigation of the surgical specimen revealed sialolithiasis in 14 patients (31.1%), chronic sialadenitis in 16 (35.6%), benign tumor in 12 (26.7%), malignant tumor in two (4.4%), and mucocele extravasation in one. As complications, permanent paralysis of the marginal mandibular branch of the facial nerve was seen in one patient (2.2%), temporary paralysis of the marginal mandibular branch of the facial nerve was seen in seven (15.6%), orocutaneous fistula was seen in one (2.2%), and temporary paralysis of the hypoglossal nerve was seen in one (2.2%). Conclusion: This study revealed that in patients presenting with complaints of a submandibular gland mass, sialolithiasis, sialadenitis, and benign masses were the mostly diagnosed pathologies. Transcervical submandibular gland excision is a satisfactory procedure with low complication and recurrence rates when it is performed on selected patients and obeyed to surgical techniques.