Predictors of central vestibular disorders from videonystagmography tests

Mohamed, Enass Sayed

doi:10.4103/1012-5574.186534

Cited by 8 publications

(12 citation statements)

References 26 publications

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“…Specifically, signs of flocculo-nodular lobe, olivo-cerebellar tracts, dorsolateral pontine nuclei and vermis should correlate with oculomotor tests more closely. This explanation would appear to be supported by similar studies 1415 . In a study on cerebellopontine angle meningioma, cerebellar signs were observed in only 32% of cases, depending on the anatomical circumstances 16 .…”

Section: Discussionsupporting

confidence: 60%

Predictors of central vestibular compensation after surgery for vestibular schwannomas

Čada

Balatková

Čakrt

et al. 2019

Acta Otorhinolaryngol Ital

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SUMMARY Surgical removal of vestibular schwannoma causes acute vestibular symptoms, including postoperative vertigo which is the most negative factor affecting quality of life in patients after vestibular schwannoma surgery. The main aim of this study is to determine whether the results from routine electronystagmography with pathological visually-provoked responses can predict poor postoperative compensation. We also investigate whether postoperative central compensation is related to objective parameters such age, tumour size, length of surgery and persistent nystagmus. According to the results from preoperative electronystagmography, patients were divided into three groups: peripheral, central and combined vestibular syndrome. Signs of central compensation were evaluated by the presence of postoperative nystagmus, vertigo, deviation of subjective visual vertical and head impulse test. There were no statistically significant differences between groups in observed signs of compensation. These results suggest that pathological central oculomotor parameters are not a negative predictive factor for central vestibular compensation.

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Section: Discussionsupporting

confidence: 60%

Predictors of central vestibular compensation after surgery for vestibular schwannomas

Čada

Balatková

Čakrt

et al. 2019

Acta Otorhinolaryngol Ital

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“…In control group one patient (6.7%) had significant nystagmus with no statistically significant difference between both groups. Those abnormal results are unlikely explained by uncompensated peripheral vestibular lesion as positional test has moderate sensitivity and specificity (17) . Zeigelboim BS et al in 2011 (1) evaluated the vestibular behavior in one group of 25 fibromyalgia patients by the following tests integrating the vestibular exam: positional/positioning, pendular track and optokinetic nystagmus did not show alterations.…”

Section: Discussionmentioning

confidence: 98%

Peripheral Vestibular Function in Patients with Fibromyalgia

Mohamed

Abousetta

Hefny

et al. 2021

Suez Canal University Medical Journal

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Background: Fibromyalgia (FM) is a non-inflammatory musculoskeletal chronic syndrome, whose etiology is unknown, characterized by diffuse pain, many patients with FM were reported to have dizziness which is attributed to hypotension and the autonomic nervous system (ANS) dysfunction. Aim: To improve management of patients with fibromyalgia having dizziness. Objective: to assess peripheral vestibular functions in patients with fibromyalgia. Subjects and Methods: After obtaining approval from the Ethics Committee of the Suez Canal University Hospital (registration number:3646) and written informed patient consent, a Cross-sectional study was conducted at Suez Canal University hospital from June 2018 to December 2019 in the Audio-Vestibular Clinic of the E.N.T department, including 30 female subjects whose age ranged from 22 to 50 years and were divided into Study group that comprised patients diagnosed with fibromyalgia and Control group rather healthy individuals. The vestibular assessment was done using pure tone audiometry, Bedside tests, and video-nystagmography (VNG). Results: There was no statistically significant difference between both groups regarding results of bedside examinations and VNG results as a caloric test (p-value = 0.6) however, there was a trend towards positive results and an increase in vestibular weakness in the fibromyalgia group compared to the control group. Conclusion: Fibromyalgia is unlikely to be a cause of peripheral vestibular dysfunction, so vestibular testing is not routinely recommended for such patients.

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“…One study found that 22.58 per cent of patients with MRI abnormalities had hearing loss compared with 40 per cent of patients without MRI abnormalities. 6…”

Section: Discussionmentioning

confidence: 99%

“…This association has also been reported in other studies. 6,7 This is important to consider because hypertension and diabetes are two of the commonest comorbidities affecting the elderly population worldwide.…”

Section: Discussionmentioning

confidence: 99%

“…22 have suggested that diffusion-weighted MRI is warranted in patients with acute vertigo who are unresponsive to treatment in the emergency department, especially if they have a history of hypertension and coronary artery disease. Mohamed 6 reported that 31 out of 51 (60 per cent) patients with videonystagmography tests suggestive of a central finding had a positive finding on MRI. This corroborates the results of the present study, where 30 out of 50 (60 per cent) patients with central findings on videonystagmography testing had abnormalities on MRI (positive predictive value 60 per cent; odds ratio = 2.2; CI = 1.05–4.9; p = 0.03).…”

Section: Discussionmentioning

confidence: 99%

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Do central vestibular findings predict abnormal findings on magnetic resonance imaging?

et al. 2019

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ObjectiveTo determine whether central findings from vestibular tests predict abnormal findings on magnetic resonance imaging.MethodThis study was a retrospective case series at a tertiary referral centre. The main outcome measure of this diagnostic intervention study was the positive predictive value of central vestibular findings in relation to magnetic resonance imaging abnormalities.ResultsCentral vestibular findings had a 50.9 per cent positive predictive value for magnetic resonance imaging abnormalities across all age groups although they varied according to age group. Optokinetic nystagmus (p < 0.05) and abnormal findings on videonystagmography tests (p < 0.05) were the main predictors of magnetic resonance imaging abnormalities. White matter lesions constituted the bulk of the central lesions on magnetic resonance imaging followed by cortical and cerebellar atrophy.ConclusionCentral vestibular findings had a 50.9 per cent positive predictive value for magnetic resonance imaging abnormalities across all age groups. Magnetic resonance imaging is medically justified to further evaluate patients with central findings on vestibular studies. Therefore, it is reasonable to request magnetic resonance imaging in these patients.

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Predictors of central vestibular disorders from videonystagmography tests

Cited by 8 publications

References 26 publications

Predictors of central vestibular compensation after surgery for vestibular schwannomas

Predictors of central vestibular compensation after surgery for vestibular schwannomas

Peripheral Vestibular Function in Patients with Fibromyalgia

Do central vestibular findings predict abnormal findings on magnetic resonance imaging?

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