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Mutlu B, Cesur S, Mutlu A, Kalcioglu MT. Vestibulo-Ocular Reflex in the Aging Population. SISLI ETFAL HASTANESI TIP BULTENI 2024; 58:45-54. [PMID: 38808050 PMCID: PMC11128693 DOI: 10.14744/semb.2023.31967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 10/13/2023] [Accepted: 11/01/2023] [Indexed: 05/30/2024]
Abstract
Objectives The aim of this study was to evaluate vestibulo-ocular reflex (VOR) of individuals over 60 years of age who have not been diagnosed with a specific vestibular pathology. Methods Bilateral six-semicircular canal video head impulse test (vHIT), Dizziness Handicap Inventory and European Evaluation of Vertigo scales were applied to participants. Results In total, 103 participants were included in the study (75 male, 28 female), and the mean age was 69.35 ± 7.41 years. The mean age of 7th decade group was 64.32±3.12 (59 participants; 38 male, 21 female), and the mean age of 8th decade and older group was 76.11±5.93 (44 participants; 37 male, 7 female). No significant differences were found between the VOR gains of the lateral or vertical semicircular canals between the 7th decade and 8th decade and older groups (p>0.05). In the 8th decade and older group, the presence of right lateral semicircular canal corrective saccade and left posterior semicircular canal corrective saccade showed a positively moderate correlation with VOR gains of the same semicircular canals (r=0.455, p=0.002, and r=0.518, p=0.001, respectively). No significant correlation was found between age and VOR gain in the 7th decade group, however, there was a negatively weak correlation between age and left lateral semicircular canal VOR gain (r=-0.366, p=0.017) in the 8th decade and older group. Conclusion While assessing the age-related changes in VOR using vHIT, it must be considered that the changes related to aging of the vestibular system begin to emerge in the population over 70 years of age, and corrective saccade findings may be more informative than VOR gains in revealing these changes.
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Affiliation(s)
- Basak Mutlu
- Department of Audiology, Istanbul Medeniyet University Faculty of Health Sciences, Istanbul, Türkiye
| | - Sidika Cesur
- Department of Audiology, Istanbul Medeniyet University Faculty of Health Sciences, Istanbul, Türkiye
| | - Ahmet Mutlu
- Department of Otorhinolaryngology, Istanbul Medeniyet University Faculty of Medicine, Istanbul, Türkiye
- Department of Otorhinolaryngology, Goztepe Prof. Dr. Suleyman Yalcin City Hospital, Istanbul, Türkiye
| | - Mahmut Tayyar Kalcioglu
- Department of Otorhinolaryngology, Istanbul Medeniyet University Faculty of Medicine, Istanbul, Türkiye
- Department of Otorhinolaryngology, Goztepe Prof. Dr. Suleyman Yalcin City Hospital, Istanbul, Türkiye
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Weston AR, Doar G, Dibble LE, Loyd BJ. Vestibular Decompensation Following COVID-19 Infection in a Person With Compensated Unilateral Vestibular Loss: A Rehabilitation Case Study. J Neurol Phys Ther 2024; 48:112-118. [PMID: 38414133 DOI: 10.1097/npt.0000000000000465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
BACKGROUND AND PURPOSE Surgical removal of a vestibular schwannoma (vestibular schwannoma resection; VSR) results in a unilateral vestibular hypofunction with complaints of dizziness and imbalance. Although the anatomic lesion is permanent, recovery of balance and diminution of dizziness occurs through central neurophysiologic compensation. Compensation of the system is maintained through daily activity. Unfortunately, interruption of stimulus, such as decreased activities due to illness, can cause decompensation. Decompensation is described as the return of symptoms consistent with that experienced during the initial insult/injury (eg, dizziness, oscillopsia, balance difficulty). This case study describes a reoccurrence of vestibular dysfunction in a person with a history of VSR following hospitalization and protracted recovery from a COVID-19 infection. It further documents her recovery that may be a result of vestibular rehabilitation. CASE DESCRIPTION A 49-year-old woman (M.W.) with a surgical history of VSR (10 years prior) and a medical history of significant COVID-19 infection, resulting in an intensive care unit stay and prolonged use of supplemental oxygen, presented to physical therapy with persistent dizziness and imbalance. The video head impulse test confirmed unilateral vestibular hypofunction. INTERVENTION M.W. attended biweekly vestibular rehabilitation for 6 weeks and completed daily home exercises. OUTCOMES At discharge, M.W. demonstrated improvements in patient-reported outcomes (Dizziness Handicap Inventory), functional testing (MiniBEST, 2-Minute Walk Test), and gaze stability measures (video head impulse testing, dynamic visual acuity). DISCUSSION Vestibular decompensation preluded by a COVID-19 infection caused a significant decrease in functional mobility. Vestibular rehabilitation targeted at gaze and postural stability effectively reduced symptoms and facilitated recovery to M.W.'s pre-COVID-19 level of function. Video Abstract available for more insights from the authors (see the Video, Supplemental Digital Content 1 available at: http://links.lww.com/JNPT/A458 ).
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Affiliation(s)
- Angela R Weston
- Department of Physical Therapy and Athletic Training (A.R.W., G.D., L.E.D.), The University of Utah, Salt Lake City; Army Baylor University Doctoral Program in Physical Therapy (A.R.W.), U.S. Army Medical Center of Excellence, San Antonio; and School of Physical Therapy and Rehabilitation Sciences & School of Integrative Physiology and Athletic Training (B.J.L.), University of Montana, Missoula
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Van Laer L, Hallemans A, Janssens de Varebeke S, De Somer C, Van Rompaey V, Vereeck L. Compensatory strategies after an acute unilateral vestibulopathy: a prospective observational study. Eur Arch Otorhinolaryngol 2024; 281:743-755. [PMID: 37642710 DOI: 10.1007/s00405-023-08192-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Accepted: 08/14/2023] [Indexed: 08/31/2023]
Abstract
PURPOSE In case of an acute unilateral vestibulopathy (UVP), compensatory strategies such as restoration and adaptation will lead to a decrease in intensity of the symptoms. Although measurements of compensatory strategies are available, currently, an overview taking the different strategies into account is lacking. The objectives of this study are to explore compensatory strategies and to investigate the association between compensatory strategies and patient characteristics. METHODS Restoration was objectified by the vestibulo-ocular reflex (VOR) gain on the video head impulse test, and adaptation-consisting of visual, multisensory, and behavioral substitution-was objectified by the Visual Vertigo Analog Scale (VVAS), Antwerp Vestibular Compensation Index (AVeCI), and Perez and Rey score (PR score), respectively. Adequate restoration and adaptation levels were interpreted as follows: VOR gain > 0.80, VVAS ≤ 40%, AVeCI > 0 and PR score ≤ 55. RESULTS Sixty-two UVP patients, 34 men and 28 women, were included with an average age of 52.1 ± 17.3 years. At 10.5 ± 1.4 weeks after onset, 41.9% of the UVP patients reached adequate restoration levels and 58.1-86.9% reached adequate adaptation levels. Furthermore, significant associations were found between (1) restoration status and UVP etiology [Odds Ratio (OR) with 95% CI: 4.167 {1.353;12.828}] and balance performance (OR: 4.400 {1.258;15.386}), (2) visual sensory substitution status and perceived handicap (OR: 8.144 {1.644;40.395}), anxiety (OR: 10.000 {1.579;63.316}) and depression (OR: 16.667 {2.726;101.896}), and (3) behavioral substitution status and balance performance (OR: 4.143 {1.341;12.798}). CONCLUSION UVP patients with adequate compensatory strategies presented with better balance performance, lower perceived handicap, and lower anxiety and depression scores.
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Affiliation(s)
- Lien Van Laer
- Department of Rehabilitation Sciences and Physiotherapy/Movant, Faculty of Medicine and Health Science, University of Antwerp, Antwerp, Belgium.
- Multidisciplinary Motor Centre Antwerp (M2OCEAN), University of Antwerp, Antwerp, Belgium.
| | - Ann Hallemans
- Department of Rehabilitation Sciences and Physiotherapy/Movant, Faculty of Medicine and Health Science, University of Antwerp, Antwerp, Belgium
- Multidisciplinary Motor Centre Antwerp (M2OCEAN), University of Antwerp, Antwerp, Belgium
| | | | - Clara De Somer
- Rehabilitation Center Sint-Lievenspoort Ghent, Ghent, Belgium
| | - Vincent Van Rompaey
- Department of Otorhinolaryngology and Head and Neck Surgery, Antwerp University Hospital Edegem, Edegem, Belgium
- Department of Translational Neurosciences, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Luc Vereeck
- Department of Rehabilitation Sciences and Physiotherapy/Movant, Faculty of Medicine and Health Science, University of Antwerp, Antwerp, Belgium
- Multidisciplinary Motor Centre Antwerp (M2OCEAN), University of Antwerp, Antwerp, Belgium
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Kirazli G, Emekci T, Inceoglu F, Pistav Akmese P, Celebisoy N. An evaluation of the test-retest reliability of the functional head impulse test in healthy young adults. Eur Arch Otorhinolaryngol 2023; 280:5339-5343. [PMID: 37341762 DOI: 10.1007/s00405-023-08063-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 06/09/2023] [Indexed: 06/22/2023]
Abstract
AIM To determine the test and retest reliability of the functional head impulse test (fHIT) in healthy young adults. MATERIALS AND METHODS Thirty-three healthy participants (17 women, 16 men) aged 18-30 years were included in the study. Each participant underwent the fHIT twice, 1 week apart, by the same experienced clinician. Intraclass correlation coefficients (ICCs) were used to determine test-retest reliability. RESULTS There was no statistically significant difference between the results of total percentage of correct answer (CA%) of the fHIT obtained in session 1 and session 2 measurements in the lateral, anterior, and posterior semicircular canals (SCCs) (p > 0.05). ICC values for test-retest reliability were found to range from 0.619 to 0.665 for the three semicircular canals (SCCs). CONCLUSION The test-retest reliability of the fHIT device was moderate. Attention, cognition, and fatigue may be the factors reducing reliability. In the diagnosis, follow-up, and rehabilitation processes of vestibular diseases in clinics, changes in the fHIT CA% can be used to assess vestibulo-ocular reflex (VOR) functionality.
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Affiliation(s)
- Gulce Kirazli
- Department of Audiology, Faculty of Health Sciences, Ege University, Izmir, Turkey
| | - Tugba Emekci
- Department of Audiology, Faculty of Health Sciences, Gülhane University of Health Sciences, Ankara, Turkey
| | - Feyza Inceoglu
- Department of Biostatistics, Faculty of Medicine, Malatya Turgut Ozal University, Malatya, Turkey
| | - Pelin Pistav Akmese
- Department of Audiology, Faculty of Health Sciences, Ege University, Izmir, Turkey.
| | - Nese Celebisoy
- Department of Neurology, Faculty of Medicine, Ege University, Izmir, Turkey
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Abstract
OBJECTIVE Investigate the association between age-related hearing loss and reduced peripheral vestibular function using paired assessments of high-frequency hearing and horizontal semicircular canal (HSC) function. We hypothesized that age-related high-frequency hearing loss would be correlated with reduced HSC function and, therefore, useful to predict age-related vestibular hypofunction. DESIGN We conducted a single center, retrospective cross-sectional study in a tertiary/academic referral hospital. This study included 185 patients who were diagnosed with a cerebellopontine angle (CPA) tumor and referred to the academic hospital to evaluate treatment options. Data collected included pure-tone audiometry, caloric reflex test, video head-impulse test (vHIT), and medical history. High-frequency hearing loss was quantified by the high Fletcher index (hFI), and horizontal semicircular canal (HSC) function were quantified by the caloric reflex test and vHIT. RESULTS We observed a significant association between age and high-frequency hearing loss that was significantly worse in men compared with women. In contrast, we observed no significant association between age and HSC function assessed by either the caloric reflex test or vHIT. We observed associations between HSC function and sex, with male sex predicting reduced HSC function by caloric reflex testing but enhanced HSC function by vHIT. High-frequency hearing loss did not predict HSC hypofunction. CONCLUSIONS We found no evidence indicating age-related decline in HSC function or an association between age-related high-frequency hearing loss and age-related decline in HSC function. We did observe sex-specific differences in HSC function. Our study highlights the need for sex-specific normative values for identifying age-related reduced peripheral vestibular function and for future work linking comprehensive assessments of inner ear function with tests of balance and stability to understand the complex interactions underlying hearing loss and imbalance, especially in the elderly.
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Wegmann-Vicuña R, Manrique-Huarte R, Calavia-Gil D, Martín-Sanz E, Marques P, Perez-Fernandez N. Low-Dose Intratympanic Gentamicin for Unilateral Ménière‘s Disease: Accuracy of Early Vestibulo-Ocular Reflex Gain Reduction in Predicting Long-Term Clinical Outcome. Front Neurol 2022; 13:808570. [PMID: 35370892 PMCID: PMC8973913 DOI: 10.3389/fneur.2022.808570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 01/04/2022] [Indexed: 11/13/2022] Open
Abstract
BackgroundThe number of intratympanic gentamicin (ITG) injections needed to achieve vertigo control in patients with intractable Ménière's disease (MD) may vary from a single dose to several instillations. Changes in different vestibular test results have been used to define an endpoint of treatment, including the decrease of the vestibulo-ocular reflex (VOR) gain elicited by the head-impulse test.ObjectiveTo assess the accuracy of the VOR gain reduction after horizontal canal stimulation, as measured with the video head-impulse test (vHIT) 1 month after the first intratympanic injection, in predicting the need for one or more instillations to control vertigo spells in the long term.MethodsThe VOR gain reduction was calculated in 47 patients submitted to (ITG) therapy 1 month after the first instillation.ResultsSingle intratympanic treatment with gentamicin has a 59.6% efficacy in vertigo control in the long term. Hearing change in the immediate period after treatment (1 month) is not significant to pre-treatment result and is similar for patients who needed multiple doses due to recurrence. Chronic disequilibrium and the need for vestibular rehabilitation were less frequent in patients with a good control of vertigo with just one single injection of gentamicin. A fair accuracy was obtained for the VOR gain reduction of the horizontal canal (area under the curve = 0.729 in the Receiver Operating Characteristic analysis) in predicting the need for one or more ITG.ConclusionsSingle intratympanic treatment with gentamicin is an effective treatment for patients with MD. That modality of treatment has very limited damaging effect in hearing. The degree of vestibular deficit induced by the treatment is significant as measured by the reduction in the gain of the VOR but not useful for prognostic purposes.
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Affiliation(s)
- Ricardo Wegmann-Vicuña
- Department of Otorhinolaryngology, Clínica Universidad de Navarra, Pamplona, Spain
- Department of Otorhinolaryngology, Hospital Quirónsalud, Barcelona, Spain
| | | | - Diego Calavia-Gil
- Department of Otorhinolaryngology, Clínica Universidad de Navarra, Pamplona, Spain
| | - Eduardo Martín-Sanz
- Department of Otolaryngology, University Hospital of Getafe, Madrid, Spain
- Department of Medicine, School of Biomedical Sciences and Health, Universidad Europea de Madrid, Madrid, Spain
| | - Pedro Marques
- Department of Otorhinolaryngology, S. João Hospital Centre, Porto, Portugal
| | - Nicolas Perez-Fernandez
- Department of Otorhinolaryngology, Clínica Universidad de Navarra, Pamplona, Spain
- Department of Otorhinolaryngology, Clínica Universidad de Navarra, Madrid, Spain
- *Correspondence: Nicolas Perez-Fernandez
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