3,579 results match your criteria: "Electronystagmography"

Article Synopsis
  • This study explored whether the Fazekas score could explain differences in cochlear implantation (CI) outcomes in individuals with DFNA9, examining MRI scans for signal loss in semicircular canals (SCCs).
  • It included 45 subjects and found a significant improvement in phoneme scores after one year of CI, but no correlation between the Fazekas score and these outcomes.
  • The research highlighted a high prevalence of signal loss in SCCs and indicated a need for further studies to understand the Fazekas score's predictive value regarding CI outcomes and vestibular function.
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Article Synopsis
  • The field of vestibular science has significantly advanced in the last 50 years, focusing on the vestibular system and related disorders, with key areas including epidemiology, pathologies, diagnostic methods, and treatments.
  • An analysis of over 39,000 publications from the NCBI PubMed database revealed increasing research trends, notably on conditions like BPPV, Meniere's disease, and a surge in studies about vestibular migraine.
  • Common diagnostic tools identified were ENG/VNG and VEMP, with physiotherapy emerging as the main treatment, showcasing the dynamic evolution of research in this field.
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Assessing long-term, vestibulotoxic side effects after gentamicin therapy in neonatal sepsis or infection using video head impulse test.

Front Pediatr

February 2024

Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Mannheim, Medical Faculty Mannheim, University of Heidelberg, Mannheim, Germany.

Article Synopsis
  • - The study focuses on the effects of gentamicin therapy, a common treatment for newborn infections, highlighting its known side effect of vestibulotoxicity, which can be assessed using the video head impulse test (VHIT).
  • - It involved 23 children aged 3-7, who had previously received gentamicin as infants; nearly 48% showed abnormal VHIT results, indicating potential vestibular issues despite lacking clinical symptoms.
  • - The findings suggest that VHIT is an effective tool for early detection of vestibular dysfunction in children post-gentamicin treatment, raising awareness about the potential long-term impacts of the medication.
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Article Synopsis
  • * Both linear and nonlinear analyses were used to assess the regularity and complexity of the ENG data, revealing significant differences between COVID-19 and non-COVID-19 groups.
  • * Various machine learning techniques were applied for classification, with the Support Vector Machines (SVM) achieving the highest accuracy, precision, and false classification rates, indicating a novel method for diagnosing COVID-19 using ENG signals.
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Article Synopsis
  • The study investigates visual fixation suppression (VS) in patients with progressive supranuclear palsy (PSP) compared to those with Parkinson's disease (PD), focusing on its potential as a diagnostic tool.
  • Researchers analyzed data from 26 PSP patients and 26 PD patients, examining various eye movement metrics and brain imaging findings.
  • Results showed that PSP patients exhibited a significant impairment in VS even in early stages, suggesting that VS could serve as a useful biomarker for distinguishing between PSP and PD.
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Article Synopsis
  • - **Vestibular Migraine (VM)** is frequently overlooked and difficult to treat, especially in low- and lower-middle-income countries (LLMICs), highlighting a gap in research on its prevalence, diagnosis, and treatment in these regions.
  • - **Research Methodology**: The study analyzed 26 publications via databases like PubMed and Embase, focusing on VM in LLMICs, noting a skew toward urban settings and a significant amount of research from India.
  • - **Findings and Recommendations**: VM symptoms often include headache and nausea, with common diagnostic methods being imaging and audiometry. There's a call for increased research and collaboration between LLMICs and high-income countries to enhance VM diagnosis and treatment options.*
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To investigate the classification of head shaking nystagmus(HSN) and its clinical value in vestibular peripheral diseases. Clinical data of 198 patients with peripheral vestibular disorders presenting with HSN were retrospectively analyzed. Video Nystagmograph(VNG) was applied to detect spontaneous nystagmus(SN), HSN, and Caloric Test(CT).

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Article Synopsis
  • Electronystagmography (ENG) is a diagnostic test used to measure electrical activity in eye muscles to identify the type of vertigo by evaluating the vestibular system, differentiating between peripheral (inner ear issues) and central (brain-related issues) causes.
  • The study took place in a tertiary care hospital in West Bengal, India, involving 84 patients with vertigo, who underwent a detailed examination, ENG testing, and imaging studies when necessary.
  • Results showed that 80.95% of patients were categorized as having either peripheral (54.76%) or central (26.19%) vertigo, with many patients presenting multiple symptoms related to their condition.
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Saccadic oscillations as a biomarker of clinical symptoms in amyotrophic lateral sclerosis.

Neurol Sci

August 2023

Department of Physiology, Division of Biomedical Science, Faculty of Medicine, University of Tsukuba, Tsukuba, Ibaraki, Japan.

Article Synopsis
  • A study on eye movements in ALS patients identified square-wave jerks (SWJs) occurring when not engaged in visual fixation, comparing their characteristics to healthy individuals.* -
  • Results demonstrated that ALS patients had significantly more SWJs without visual fixation compared to healthy subjects, indicating a key difference in eye movement control.* -
  • The frequency of SWJs in ALS was correlated with pulmonary function, suggesting these jerks could serve as a clinical indicator for assessing the disease's progression.*
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Article Synopsis
  • The study aimed to compare vestibular function and migraine symptoms in women with different types of migraines—without aura, with aura, and chronic migraines—against a control group using questionnaires and electronystagmography.
  • It included 120 female participants, finding dizziness to be the most common vestibular symptom, particularly prevalent in those with episodic migraines with aura and chronic migraines, alongside increased sensitivity to sound and light.
  • Although electronystagmography results did not differ significantly between groups, the study suggested that the severity of vestibular symptoms is linked to the type of migraine and its chronicity, indicating that migraines can impact the vestibular system.
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Article Synopsis
  • The study investigates the effectiveness of caloric testing for diagnosing vestibular neuritis (VN) in patients, focusing on canal paresis (CP) and directional preponderance (DP) values.
  • Out of 99 patients with VN and 157 control participants, those with VN showed significantly higher CP and DP values, with CP successfully predicting VN in 71% of cases and DP in about 69.8%.
  • When considering both CP and DP together, the prediction accuracy for VN increased to approximately 84.8%, highlighting the importance of using both parameters for accurate diagnosis.
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Effects of noise on the vestibular system of normal-hearing workers.

Work

December 2022

Department of Physical Therapy, Speech-Language-Hearing Sciences, and Occupational Therapy, Faculty of Medicine (FMUSP), University of São Paulo, São Paulo, Brazil.

Article Synopsis
  • Studies suggest that occupational noise exposure impacts the vestibular system, potentially causing damage even when assessments appear normal.
  • The research involved a comparison between noise-exposed workers and a control group, assessing their vestibular health through various tests.
  • Results indicated that 70% of the noise-exposed workers showed vestibular alterations while the control group had normal assessments, highlighting possible subclinical issues in those affected by noise.
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Effects of multiple sclerosis on the audio-vestibular system: a systematic review.

BMJ Open

August 2022

Manchester Centre for Audiology and Deafness (ManCAD), School of Health Sciences, Ellen Wilkinson Building, The University of Manchester, Manchester, UK.

Article Synopsis
  • The study aimed to systematically analyze how multiple sclerosis (MS) affects auditory and vestibular functions in patients aged 18 and older.
  • A total of 35 studies were reviewed, finding that while some tests revealed abnormalities in auditory functions, results varied widely, making it hard to draw solid conclusions about the specific impact of MS.
  • Most vestibular tests also showed abnormalities in MS patients, but inconsistencies in how studies reported findings hindered quantitative analysis.
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Article Synopsis
  • Creutzfeldt-Jakob disease (CJD) is a fatal brain disease caused by prions, and while dizziness is an uncommon early symptom, it can lead patients to visit the wrong medical department.
  • A 56-year-old woman with CJD presented with dizziness and exhibited specific eye movement abnormalities, prompting further investigation.
  • The case highlights the importance of considering CJD in patients with dizziness and unusual eye movements, as early diagnosis can prevent serious complications.
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Comparison between caloric and video-head impulse tests in Ménière's disease and vestibular neuritis.

Int J Audiol

May 2023

Faculty of Medicine, Department of Otolaryngology and Head and Neck Surgery, Semmelweis University, Budapest, Hungary.

Article Synopsis
  • The study aimed to compare the accuracy of air caloric testing with two methods: electronystagmography and the video head impulse test (vHIT) in diagnosing vestibular disorders.
  • Results showed that in patients with Ménière's disease, air caloric testing indicated a higher prevalence of canal paresis (CP), while vHIT detected gait asymmetry (GA) less frequently, highlighting distinct functions of both tests.
  • The vHIT demonstrated greater specificity while caloric testing had higher sensitivity, suggesting that these tests provide complementary rather than interchangeable diagnostic information for conditions like Ménière's disease and vestibular neuritis.
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Visually Evoked Postural Responses (VEPRs) in Children with Vestibular Migraine.

Children (Basel)

December 2021

Audiology, Primary Care Department, Via del Pozzo 69, 41100 Modena, Italy.

Article Synopsis
  • - Vestibular migraine (VM) is identified as the most common cause of episodic vertigo in children, where symptoms such as vertigo, nausea, and dizziness can occur with or without headaches.
  • - The study used posturography to analyze how children with VM respond to visual stimuli compared to those with primary headaches and healthy controls, finding that children with VM showed greater body sway in response to visual conditions.
  • - The results indicated that children with VM have an abnormal sensitivity to moving visual scenes which leads to instability in posture, highlighting the need for awareness of these risks in clinical settings.
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Hearing improvement after vestibular schwannoma surgery in the era of the hearing preservation rule - case report and literature review.

Biomed Pap Med Fac Univ Palacky Olomouc Czech Repub

September 2022

Department of Otorhinolaryngology, Head and Neck Surgery, First Faculty of Medicine, Charles University in Prague and University Hospital Motol, V Uvalu 84, 150 06, Prague 5, Czech Republic.

Article Synopsis
  • * A case report is presented where a patient improved from unhelpful to useful hearing levels after undergoing surgery using a suboccipital retrosigmoid approach and thorough audiovestibular assessments.
  • * Key predictive factors for hearing improvement identified include sudden sensorineural hearing loss prior to surgery, elicitable otoacoustic emissions, and tumor origin from the superior vestibular nerve, though overall research on the topic remains limited.
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Article Synopsis
  • This study aimed to evaluate preoperative and postoperative vestibular function tests (caloric test, ETT, OKP) in 166 patients with acoustic neuroma (AN) and analyze how these change after surgery.
  • Patients were pre-categorized into three groups based on their test results, with a significant portion showing abnormal results and larger tumor sizes linked to worse symptoms.
  • After surgery, a comparison of ETT and OKP results showed no correlation between tumor size and canal paresis, indicating that larger tumors often resulted in more severe balance issues.
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Vestibular dysfunction in cochlear implant candidates: Prevalence and outcomes.

Am J Otolaryngol

February 2022

First Physicians Group Silverstein Institute, 1901 Floyd Street, Sarasota, FL 34239, United States; Ear Research Foundation, 1901 Floyd Street, Sarasota, FL 34239, United States.

Article Synopsis
  • Cochlear implantation (CI) can lead to decreased vestibular function, and this study aimed to assess the prevalence of preoperative vestibular weakness in CI candidates and identify risk factors for postoperative dizziness.
  • The study involved 149 patients who had preoperative vestibular testing and found that 30.9% had reduced vestibular response on one side and 21.5% had bilateral vestibular hypofunction, with 9.4% experiencing dizziness afterward.
  • Results indicated a strong correlation between abnormal preoperative vestibular tests and the likelihood of postoperative dizziness, suggesting the importance of preoperative assessments for counseling and decision-making regarding CI.
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Article Synopsis
  • Enlarged vestibular aqueduct (EVA) is a congenital condition affecting children, leading to issues like hearing loss and balance problems.
  • A systematic review analyzed literature on vestibular dysfunction in EVA patients, revealing varying rates of symptoms (2%-71%) and abnormal test results (7%-92%).
  • Head trauma was linked to increased risk, and while some treatments like the Epley maneuver showed effectiveness for certain symptoms, there is a need for more targeted interventions in future studies.
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Article Synopsis
  • Idiopathic sudden sensorineural hearing loss (SSNHL) is a common and serious condition that can impact hearing and cause symptoms like vertigo, with uncertain recovery outcomes.
  • This study involved 35 patients with SSNHL, assessing their hearing and vestibular function using audiometry, electronystagmography (ENG), and caloric tests, while administering standard treatments such as steroids.
  • Results showed that patients without vertigo had better recovery, and abnormal ENG and caloric test results correlated with poorer hearing outcomes, suggesting that testing vestibular function could predict recovery and improve patient counseling.
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Repercussions of the Degrees of Hearing Loss and Vestibular Dysfunction on the Static Balance of Children With Sensorineural Hearing Loss.

Phys Ther

October 2021

Department of Physical Therapy, Laboratory of Pediatric Studies (LEPed), Universidade Federal de Pernambuco (UFPE), Recife, Pernambuco, Brazil.

Article Synopsis
  • The study aimed to evaluate the static balance of children with sensorineural hearing loss (SNHL) based on the severity of their hearing loss and vestibular function.
  • It involved 130 children aged 7 to 11, comparing those with normal hearing to those with varying degrees of SNHL through balance tests using a force platform in different postures and sensory conditions.
  • Results indicated that children with severe to profound SNHL, particularly those with vestibular dysfunction, exhibited significantly greater balance instabilities compared to their peers with normal hearing, suggesting a need for extended rehabilitation for affected children.
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Article Synopsis
  • - The study aimed to assess how often patients with Lyme disease (LD) experience vertigo symptoms and potential damage to their inner ear.
  • - Researchers examined 38 patients aged 20 to 77 who were hospitalized for vertigo, conducting various medical and diagnostic tests to confirm LD.
  • - Findings revealed that over half of the patients showed vestibular dysfunction linked to hearing loss, indicating that LD may affect the inner ear, but antibiotic treatment can help alleviate these symptoms.
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