Recent Advances in Diagnosis and Treatment of Vestibular Disorders

A special issue of Journal of Clinical Medicine (ISSN 2077-0383). This special issue belongs to the section "Otolaryngology".

Deadline for manuscript submissions: closed (25 April 2023) | Viewed by 36536

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Special Issue Editors

Department of Otorhinolaryngology, Clinica Universidad de Navarra, Madrid, Spain
Interests: otoneurology; Ménière’s disease; BPPV; vestibulo-ocular reflex; dizziness; posturography; otopathology
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Department of Otolaryngology, Head and Neck Surgery, Complejo Hospitalario Universitario Insular Materno Infantil de Gran Canaria, 35016 Las Palmas, Spain
Interests: oto-neurology; Ménière’s disease; BPPV; dizziness; cochlear implant; skull base
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear colleagues,

Vestibular medicine relates to the assessment, diagnosis, and treatment of patients with dizziness and vertigo. In all these fields, there has been an enormous increase in research during recent years that we want to collate in this Special Issue.

Following the seminal work of the Standardization Committee of the Barany Society in 2009, which shed light on the classification of vestibular symptoms, widespread work covered common and uncommon vestibular diseases to provide uniform guidelines with ample consensus from different points of view traditionally set apart. It was the final effort to break through the impassable steps that the sheer topographic location of the disease (central vs. peripheral) entailed in the diagnosis phase. This is now based on a detailed description of the symptoms, their triggers and timing, not forgetting that vestibular disorders share phenomenological characteristics to be considered along with the diagnostic procedure.

Vestibular physiology and vestibular testing have come to the bedside in such a way that now we can test for the function of each individual vestibular receptor from each ear independently. This has completely modified the way we now test our patients and has opened an exponentially growing avenue of research. By contrast, the brilliant concept of canalolithiasis in positional vertigo has not only provided a simple but effective method of treatment for the most common cause of vertigo but has also brought back nystagmus tests and evaluation to the centerfield of patient testing. In the diagnostic part, the appearance of methods for the in vivo visualization of endolymphatic hydrops (EH) with the MRI is one of the most recent advances that took years to develop due to complex hardware and software limitations now almost completely resolved.

Treatment is now possible for the specific disease on some occasions, but always keeping in mind the natural history of the disorder. New methods of treatment for common drugs or uncommon medication which have been demonstrated to be usable are frequent at tertiary referral centers. Gene therapy appears to be possible thanks to the enormous effort of genetic mapping in some diseases. Surgery for disabling and unresponsive disease needs precise anatomical knowledge, and the new vestibular implant represents a way to solve one of the most disabling situations when both vestibular systems are nonfunctional. Vestibular rehabilitation by means of sensory substitution, adaptation, and habituation is based on the reweighting of the different sensory systems that allow for dynamic and static equilibrium.

Topics will include, the epidemiology of dizziness, the role of genetics in the development of vestibulopathy, diagnostic approaches, and interventions for patients with dizziness and vertigo: medical treatment, surgery, and vestibular rehabilitation.

Dr. Nicolas Perez-Fernandez
Prof. Dr. Angel Ramos-Macias
Guest Editors

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Keywords

  • dizziness
  • vertigo
  • vestibulo-ocular reflex
  • Méniere’s disease
  • nystagmus
  • positional vertigo
  • vestibular implant

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Published Papers (17 papers)

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Editorial

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3 pages, 209 KiB  
Editorial
Recent Advances in the Diagnosis and Treatment of Vestibular Disorders
by Nicolas Pérez-Fernández and Angel Ramos-Macías
J. Clin. Med. 2023, 12(16), 5281; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm12165281 - 14 Aug 2023
Viewed by 1019
Abstract
Vestibular medicine “embraces a wide approach to the potential causes of vestibular symptoms, acknowledging that vertigo, dizziness, and unsteadiness are non-specific symptoms that may arise from a broad spectrum of disorders, spanning from the inner ear to the brainstem, cerebellum and supratentorial cerebral [...] Read more.
Vestibular medicine “embraces a wide approach to the potential causes of vestibular symptoms, acknowledging that vertigo, dizziness, and unsteadiness are non-specific symptoms that may arise from a broad spectrum of disorders, spanning from the inner ear to the brainstem, cerebellum and supratentorial cerebral networks, to many disorders beyond these structures” [...] Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)

Research

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18 pages, 2543 KiB  
Article
The DizzyQuest Combined with Accelerometry: Daily Physical Activities and Limitations among Patients with Bilateral Vestibulopathy Due to DFNA9
by Erik Martin, Sofie de Hoon, Joost Stultiens, Miranda Janssen, Hans Essers, Kenneth Meijer, Wouter Bijnens, Maurice van de Berg, Nolan Herssens, Sebastien Janssens de Varebeke, Ann Hallemans, Vincent Van Rompaey, Nils Guinand, Angelica Perez-Fornos, Josine Widdershoven and Raymond van de Berg
J. Clin. Med. 2024, 13(4), 1131; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm13041131 - 17 Feb 2024
Viewed by 445
Abstract
Background: DFNA9 is a genetic disease of the inner ear, causing progressive bilateral sensorineural deafness and bilateral vestibulopathy (BV). In this study, DizzyQuest, a mobile vestibular diary, and the MOX accelerometer were combined to assess the daily life functional limitations and physical activity [...] Read more.
Background: DFNA9 is a genetic disease of the inner ear, causing progressive bilateral sensorineural deafness and bilateral vestibulopathy (BV). In this study, DizzyQuest, a mobile vestibular diary, and the MOX accelerometer were combined to assess the daily life functional limitations and physical activity of patients with DFNA9 suffering from BV. These parameters might be appropriate as potential candidacy criteria and outcome measures for new therapeutic interventions for BV. Methods: Fifteen DFNA9 patients with BV and twelve age-matched healthy controls were included. The DizzyQuest was applied for six consecutive days, which assessed the participants’ extent of functional limitations, tiredness, types of activities performed during the day, and type of activity during which the participant felt most limited. The MOX accelerometer was worn during the same six days of DizzyQuest use, measuring the participants intensity and type of physical activity. Mixed-effects linear and logistic regression analyses were performed to compare the DFNA9 patients and control group. Results: DFNA9 patients with BV felt significantly more limited in activities during the day compared to the age-matched controls, especially in social participation (p < 0.005). However, these reported limitations did not cause adjustment in the types of activities and did not reduce the intensity or type of physical activity measured with accelerometry. In addition, no relationships were found between self-reported functional limitations and physical activity. Conclusions: This study demonstrated that self-reported functional limitations are significantly higher among DFNA9 patients with BV. As a result, these limitations might be considered as part of the candidacy criteria or outcome measures for therapeutic interventions. In addition, the intensity or type of physical activity performed during the day need to be addressed more specifically in future research. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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12 pages, 3733 KiB  
Article
A Paradoxical Clinical Coincidence: Benign Paroxysmal Positional Vertigo and Bilateral Vestibulopathy
by Nicolás Pérez-Fernández, Sara Saez Coronado, Cristina Zulueta-Santos, Fernando Neria Serrano, Jorge Rey-Martinez, Melisa Blanco and Raquel Manrique-Huarte
J. Clin. Med. 2023, 12(10), 3413; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm12103413 - 11 May 2023
Cited by 1 | Viewed by 1131
Abstract
Benign paroxysmal positional vertigo (BPPV) and bilateral vestibulopathy (BVL) are two completely different forms of vestibular disorder that occasionally occur in the same patient. We conducted a retrospective review searching for that coincidence in our database of the patients seen over a 15-year [...] Read more.
Benign paroxysmal positional vertigo (BPPV) and bilateral vestibulopathy (BVL) are two completely different forms of vestibular disorder that occasionally occur in the same patient. We conducted a retrospective review searching for that coincidence in our database of the patients seen over a 15-year period and found this disorder in 23 patients, that is 0.4%. More frequently they occurred sequentially (10/23) and BPPV was diagnosed first. Simultaneous presentation occurred in 9/23 patients. It was subsequently studied, but in a prospective manner, in patients with BPPV on all of whom a video head impulse test was performed to search for bilateral vestibular loss; we found it was slightly more frequent (6/405). Both disorders were treated accordingly, and it was found that the results follow the general trend in patients with only one of those disorders. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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10 pages, 274 KiB  
Article
Preceding Balance Disorders Affect Vestibular Function in Persistent Postural-Perceptual Dizziness
by Mineko Oka, Kentaro Ichijo, Kento Koda, Teru Kamogashira, Makoto Kinoshita, Kazunori Igarashi, Takuya Kawahara, Ikumi Takashima, Tatsuya Yamasoba and Chisato Fujimoto
J. Clin. Med. 2023, 12(7), 2589; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm12072589 - 29 Mar 2023
Cited by 1 | Viewed by 1527
Abstract
Persistent postural-perceptual dizziness (PPPD) is induced by preceding conditions that cause balance disorders. To investigate the association between vestibular function and preceding balance disorders in PPPD patients, a retrospective chart review was performed. Vestibular function in 55 PPPD patients was measured using the [...] Read more.
Persistent postural-perceptual dizziness (PPPD) is induced by preceding conditions that cause balance disorders. To investigate the association between vestibular function and preceding balance disorders in PPPD patients, a retrospective chart review was performed. Vestibular function in 55 PPPD patients was measured using the caloric test, cervical vestibular evoked myogenic potential testing to air-conducted sound (ACS cVEMP), ocular vestibular evoked myogenic potential testing to bone-conducted vibration (BCV oVEMP), and video head impulse testing (vHIT). Patients were classified according to the type of preceding balance disorder. The age-stratified Cochran–Mantel–Haenszel (CMH) test and the exact test for the common odds ratio were conducted to evaluate the association between preceding n ≥ 4 balance disorders and present peripheral vestibular dysfunction. PPPD patients with preceding vestibular neuritis presented a significant positive association with abnormal caloric responses (p = 0.013), while those with preceding benign paroxysmal positional vertigo (BPPV) had significantly lower rates of abnormal BCV oVEMP (p = 0.003). Furthermore, patients with preceding vestibular neuritis showed lateral semicircular canal dysfunction, while those with preceding BPPV presented normal utricular functions. These results present the influence of preceding balance disorders on the vestibular function in PPPD. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
7 pages, 457 KiB  
Article
“The Pupillary (Hippus) Nystagmus”: A Possible Clinical Hallmark to Support the Diagnosis of Vestibular Migraine
by Mauro Gufoni and Augusto Pietro Casani
J. Clin. Med. 2023, 12(5), 1957; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm12051957 - 01 Mar 2023
Cited by 3 | Viewed by 1973
Abstract
(1) Background: Hippus (which in this paper will be called “Pupillary nystagmus”) is a well-known phenomenon which has never been related to any specific pathology, so much so that it can be considered physiological even in the normal subject, and is characterized by [...] Read more.
(1) Background: Hippus (which in this paper will be called “Pupillary nystagmus”) is a well-known phenomenon which has never been related to any specific pathology, so much so that it can be considered physiological even in the normal subject, and is characterized by cycles of dilation and narrowing of the pupil under constant lighting conditions. The aim of this study is to verify the presence of pupillary nystagmus in a series of patients suffering from vestibular migraine. (2) Methods: 30 patients with dizziness suffering from vestibular migraine (VM), diagnosed according to the international criteria, were evaluated for the presence of pupillary nystagmus and compared with the results obtained in a group of 50 patients complaining of dizziness that was not migraine-related. (3) Results: Among the 30 VM patients, only two cases were found to be negative for pupillary nystagmus. Among the 50 non-migraineurs dizzy patients, three had pupillary nystagmus, while the remaining 47 did not. This resulted in a test sensitivity of 0.93% and a specificity of 0.94%. (4) Conclusion: we propose the consideration of the presence of pupillary nystagmus as an objective sign (present in the inter-critical phase) to be associated with the international diagnostic criteria for the diagnosis of vestibular migraine. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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9 pages, 3623 KiB  
Article
Reliability of Monothermal Caloric Test as Screening Test of Vestibular System
by Salman F. Alhabib and Issam Saliba
J. Clin. Med. 2022, 11(23), 6977; https://doi.org/10.3390/jcm11236977 - 26 Nov 2022
Cited by 6 | Viewed by 1675
Abstract
This retrospective study completed at a tertiary care center aimed to assess the monothermal caloric test (MCT) as a screening test, using the bithermal caloric test (BCT) as a reference. Additionally, it attempts to measure the sensitivity, specificity, positive predictive value (PPV), and [...] Read more.
This retrospective study completed at a tertiary care center aimed to assess the monothermal caloric test (MCT) as a screening test, using the bithermal caloric test (BCT) as a reference. Additionally, it attempts to measure the sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of a fixed inter-auricular difference (IAD) value for both cold and warm stimuli using water irrigation. Medical records of 259 patients referred for vestibular symptoms who underwent BCT with water irrigation were reviewed. Patients with bilateral vestibular weakness and caloric tests using air irrigation were excluded. BCT showed 40.9% unilateral weakness. Two formulas were used to determine the monothermal caloric asymmetry (MCA-1 and MCA-2). The measurement of agreement Kappa between the two formulas in comparison with BCT revealed moderate agreement at 0.54 and 0.53 for hot and cold stimulation, respectively. The monothermal warm stimulating test (MWST) using MCA-2 showed better results, with a sensitivity of 80%, specificity of 91%, PPV of 83.1%, and NPV of 89.2%. Thirty-four patients had horizontal spontaneous nystagmus (HSN) with a mean velocity of 2.25°/s. These patients showed better sensitivity but lower specificity after adjustment of HSN using the MCA-2 formula at warm temperatures. Therefore, they should complete the caloric test with cold irrigation to perform the BCT. MCT is efficient as a screening test if the warm stimulus is used with the MCA-2 formula fixed at 25%. If present, HSNs should be adjusted. Negative IAD (normal) in the absence or presence of adjusted HSN or slow-phase eye velocity ≤ 6°/s at each right and left warm stimulation should be accomplished by the BCT. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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9 pages, 1491 KiB  
Article
Dynamic Visual Acuity Results in Otolith Electrical Stimulation in Bilateral Vestibular Dysfunction
by Isaura Rodríguez-Montesdeoca, Ángel Ramos de Miguel, Juan Carlos Falcón-González, Silvia Borkoski-Barreiro, Susana Benítez-Robaina, Gloria Guerra-Jimenez, Joana Pavone and Angel Ramos-Macías
J. Clin. Med. 2022, 11(19), 5706; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm11195706 - 27 Sep 2022
Cited by 3 | Viewed by 1328
Abstract
(1) Background. Patients with bilateral vestibular disease (BVD) experience oscillopsia with a detriment to visual acuity (VA). This VA is driven mainly by the VOR that has two components: rotational and translational. VA can be tested by using dynamic visual acuity (DVA) on [...] Read more.
(1) Background. Patients with bilateral vestibular disease (BVD) experience oscillopsia with a detriment to visual acuity (VA). This VA is driven mainly by the VOR that has two components: rotational and translational. VA can be tested by using dynamic visual acuity (DVA) on a treadmill because both systems are activated. The aim of this study is to compare VA before and after chronic electrical stimulation of the otolith organ. (2) Materials and Method. Five patients suffering from bilateral vestibular dysfunction (BVD), previously implanted with a new vestibular implant prototype, were included in this study with the aim to check VA with and without vestibular implant use (W and W/O) in static, 2 km/h and 4 km/h walking situations. DVAtreadmill was measured on a treadmill with a dynamic illegible E (DIE) test in static and dynamic conditions (while walking on the treadmill at 2 and 4 km/h). The DVA score was registered in a logarithm of the minimum angle of resolution (LogMAR) for each speed. In addition, every patient completed the oscillopsia severity questionnaire (OSQ) and video head impulse test (vHIT) before and after activation of the vestibular implant. (3) Results. The analysis shows a significant difference in OSQ scores and DVA with an improvement in dynamic conditions. Organized corrective saccades during the use of a vestibular implant with no changes in gain were also detected in the video head impulse tests (vHIT). (4) Conclusion. The vestibular implant with otolithic stimulation offers changes in the response of DVA, which makes this paper one of the first to address the possible restoration of it. It is not possible to rule out other contributing factors (presence of covert saccades, somatosensory system, …). More work seems necessary to understand the neurophysiological basis of these findings, but this implant is added as a therapeutic alternative for the improvement of oscillopsia. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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14 pages, 1286 KiB  
Article
The Narrowed Internal Auditory Canal: A Distinct Etiology of Pediatric Vestibular Paroxysmia
by Samar A. Idriss, Hung Thai-Van, Riham Altaisan, Aicha Ltaief-Boudrigua, Pierre Reynard and Eugen Constant Ionescu
J. Clin. Med. 2022, 11(15), 4300; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm11154300 - 25 Jul 2022
Cited by 3 | Viewed by 2797
Abstract
Vestibular paroxysmia (VP) is a disorder encountered in the pediatric population that etiology has been attributed to neurovascular cross-compression syndrome (NVCC). The purpose of this study was to report a new probable pathological condition, the narrowed internal auditory canal (IAC), which appears to [...] Read more.
Vestibular paroxysmia (VP) is a disorder encountered in the pediatric population that etiology has been attributed to neurovascular cross-compression syndrome (NVCC). The purpose of this study was to report a new probable pathological condition, the narrowed internal auditory canal (IAC), which appears to be involved in the development of a clinical picture of VP in the pediatric population. A retrospective descriptive comparative study was conducted to compare clinical, electrophysiological, radiological, and therapeutic outcomes in both etiologies. Overall, 16 pediatric patients suffering from VP were included and divided into two groups: patients with narrowed internal auditory (Group 1) were compared to those with NVCC syndrome (Group 2). Patients in both groups were similar in terms of auditory complaints, as well as hearing, vestibular, and electrophysiological status. A narrowed IAC was encountered in the adolescent age category and females, especially those with rapid growth. The diagnosis requires a careful analysis of the shape and diameters of the IAC. Radiologic measurements in the axial plane do not seem to be sufficient to confirm the diagnosis, and, therefore, an analysis of diameters in the coronal plane is required. Treatment with sodium-channel blockers drugs showed promising results not only by relieving vertigo but also by normalizing the electrophysiological findings. In conclusion, a narrowed IAC can be considered in patients suffering from VP. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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10 pages, 887 KiB  
Article
New Therapeutic Maneuver for Horizontal Semicircular Canal Cupulolithiasis: A Prospective Randomized Trial
by Dong-Han Lee, Joon Yong Park, Tae Hee Kim, Jung Eun Shin and Chang-Hee Kim
J. Clin. Med. 2022, 11(14), 4136; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm11144136 - 16 Jul 2022
Cited by 2 | Viewed by 4190
Abstract
Background: There are debates on whether mastoid oscillation has any benefit or harm in treating horizontal semicircular canal (HSCC) cupulolithiasis. The goal of this study was to investigate the therapeutic effects of the new maneuver using only inertia and gravity and compare it [...] Read more.
Background: There are debates on whether mastoid oscillation has any benefit or harm in treating horizontal semicircular canal (HSCC) cupulolithiasis. The goal of this study was to investigate the therapeutic effects of the new maneuver using only inertia and gravity and compare it with the previously reported cupulolith repositioning maneuver using mastoid vibration (CuRM). Methods: We enrolled 57 patients diagnosed with HSCC cupulolithiasis. Patients were randomly allocated to the previously reported CuRM or the new maneuver (briefly, 30° head rotation to the affected side and thereafter bidirectional side-lying) using simply inertia and gravity, and their immediate and short-term effects were evaluated. Results: The immediate success rate did not differ significantly between the CuRM (8 of 22, 36.4%) and the new maneuver (10 of 35, 28.6%) groups (p = 0.538, Pearson’s chi-square test). The late resolution rates at the first follow-up of the CuRM (75%, 9 of 12) and new maneuver groups (82.6%, 19 of 23) were very high, and there was no statistical difference between them (p = 0.670, Fisher’s exact test). Conclusions: This study showed that the new maneuver was effective for treating HSCC cupulolithiasis with an immediate success rate of 28.6% (10 of 35). Although it did not show better results than the existing maneuver using vibration, there was no statistical difference. Considering the debate on the effectiveness of oscillation, we believe our new maneuver is a conservative alternative that uses only inertia and gravity, and it can be easily performed in clinics where oscillation equipment is not available. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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10 pages, 944 KiB  
Article
Long-Term Evolution of Vestibular Compensation, Postural Control, and Perceived Disability in a Population of Patients with Vestibular Neuritis
by Jonathan Esteban-Sanchez and Eduardo Martin-Sanz
J. Clin. Med. 2022, 11(14), 3941; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm11143941 - 06 Jul 2022
Cited by 5 | Viewed by 1666
Abstract
Objectives. The aim was to analyze and compare the compensatory process, vestibular dysfunction, postural control, and perceived disability in a population of patients with vestibular neuritis (VN). Material and Methods. This is a prospective and longitudinal study of 67 patients diagnosed with VN. [...] Read more.
Objectives. The aim was to analyze and compare the compensatory process, vestibular dysfunction, postural control, and perceived disability in a population of patients with vestibular neuritis (VN). Material and Methods. This is a prospective and longitudinal study of 67 patients diagnosed with VN. Inclusion criteria were sudden onset of vertigo, unidirectional spontaneous horizontal nystagmus, and impairment in vestibular test. Exclusion criteria were imaging or clinical findings of any neurotologic disorder. All vestibular tests were performed; vHIT, vestibular evoked myogenic potentials (VEMPs), caloric test and computerized dynamic posturography (CDP), dizziness handicap inventory (DHI), and visual analogue scale (VAS) were also performed at every follow up. Results. We observed a correlation between the composite score of CDP and baseline vestibular function elicited either by caloric test, VEMPs, or vHIT. There was a significant correlation between baseline vestibular function and first visit questionnaire scores. The main gain recovery for the horizontal canal was 0.1 ± 0.04 for the first three months. After that, the gain recovery significantly decreased. The presence of covert and overt saccades’, latency and amplitude decreased, respectively, after the 6-month period, when compared to the baseline results. We also observed a decrease in the PR score from 3 months after the vestibular insult until the last follow up. We observed a significant decrease in DHI and VAS from the first visit until the last one. Those patients with an initial HC gain below 0.5 had significantly higher DHI and VAS scores at every follow up. Conclusions. There are different measurements that could become a complete measurement of the state of compensation, postural control, and disability of the patients. There is a time window in which the vestibular restoration could give us clinical insights regarding the management of VN patients. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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11 pages, 275 KiB  
Article
The Non-Concordance of Self-Reported and Performance-Based Measures of Vestibular Dysfunction in Military and Civilian Populations Following TBI
by Nicholas I. Wood, James Hentig, Madison Hager, Candace Hill-Pearson, Jamie N. Hershaw, Alicia R. Souvignier and Selena A. Bobula
J. Clin. Med. 2022, 11(11), 2959; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm11112959 - 24 May 2022
Cited by 3 | Viewed by 1373
Abstract
As a predominately young, physically active, and generally healthy population, service members (SMs) with vestibular dysfunction (VD) following a TBI may not be accurately represented by the current civilian reference ranges on assessments of VD. This study enrolled SMs who were referred for [...] Read more.
As a predominately young, physically active, and generally healthy population, service members (SMs) with vestibular dysfunction (VD) following a TBI may not be accurately represented by the current civilian reference ranges on assessments of VD. This study enrolled SMs who were referred for vestibular rehabilitation following a mild/moderate TBI. The participants self-reported VD using the Activities-specific Balance Confidence (ABC) scale and the Dizziness Handicap Inventory (DHI) followed by evaluation of vestibular performance using computerized dynamic posturography sensory organizational test (CDP–SOT). Retrospective analysis of these outcomes comparing the study sample of SMs to the reported civilian samples revealed SMs self-reported lower VD with significantly higher balance confidence (ABC: 77.11 ± 14.61, p < 0.05) and lower dizziness (DHI: 37.75 ± 11.74, p < 0.05) than civilians. However, the SMs underperformed in performance-based evaluations compared to civilians with significantly lower CDP–SOT composite and ratio scores (COMP: 68.46 ± 13.46, p < 0.05; VIS: 81.36 ± 14.03, p < 0.01; VEST: 55.63 ± 22.28, p < 0.05; SOM: 90.46 ± 10.17, p < 0.05). Correlational analyses identified significant relationships between the ABC and CDP–SOT composite (r = 0.380, p < 0.01) and ratio scores (VIS: r = 0.266, p < 0.05; VEST: r = 0.352, p < 0.01). These results highlight the importance of recognizing and understanding nuances in assessing VD in SMs to ensure they have access to adequate care and rehabilitation prior to returning to duty. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
10 pages, 1052 KiB  
Article
Suppression Head Impulse Test (SHIMP) versus Head Impulse Test (HIMP) When Diagnosing Bilateral Vestibulopathy
by Tessa van Dooren, Dmitrii Starkov, Florence Lucieer, Bieke Dobbels, Miranda Janssen, Nils Guinand, Angelica Pérez Fornos, Herman Kingma, Vincent Van Rompaey and Raymond van de Berg
J. Clin. Med. 2022, 11(9), 2444; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm11092444 - 26 Apr 2022
Cited by 7 | Viewed by 1824
Abstract
The Suppression Head Impulse (SHIMP) test was introduced as an alternative to the Head Impulse Paradigm (HIMP) to overcome challenges in VOR gain calculation due to the interference of covert saccades. The objectives of this study were (1) to determine if SHIMP, compared [...] Read more.
The Suppression Head Impulse (SHIMP) test was introduced as an alternative to the Head Impulse Paradigm (HIMP) to overcome challenges in VOR gain calculation due to the interference of covert saccades. The objectives of this study were (1) to determine if SHIMP, compared to HIMP, reduces covert saccades in BV patients and (2) to define the agreement on diagnosing BV between SHIMP and HIMP. First, the number of covert saccades was compared between SHIMP and HIMP. Secondly, VOR gain was compared between SHIMP and HIMP. Lastly, the agreement between SHIMP and HIMP on identifying BV (horizontal VOR gain <0.6) was evaluated. A total of 98 BV patients were included. To our knowledge, this is the largest study population on SHIMP testing in BV patients. Covert saccades were significantly reduced, and a lower VOR gain was found during SHIMP compared to HIMP (p < 0.001). However, the clinical relevance of these statistically significant differences is small. In 93% of the patients, an agreement was found between the two paradigms regarding the diagnosis of BV, and both paradigms detect BV in the vast majority of patients. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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9 pages, 684 KiB  
Article
Prevention of Severe Vestibular Hypofunction after Systemic Gentamicin
by Sofía Ferreira-Cendon, Ramon Martinez-Carranza, Maria José Fernandez-Nava, Rosana Villaoslada-Fuente, Hortensia Sanchez-Gomez, Santiago Santa Cruz-Ruiz, María Sanchez-Ledesma and Angel Batuecas-Caletrio
J. Clin. Med. 2022, 11(3), 586; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm11030586 - 25 Jan 2022
Cited by 2 | Viewed by 2061
Abstract
The importance of early evaluation by a neurotologist in patients with infective endocarditis treated with systemic gentamicin and its impact on the patients’ quality of life was evaluated. This is a longitudinal retrospective cohort study of 29 patients who received intravenous gentamicin for [...] Read more.
The importance of early evaluation by a neurotologist in patients with infective endocarditis treated with systemic gentamicin and its impact on the patients’ quality of life was evaluated. This is a longitudinal retrospective cohort study of 29 patients who received intravenous gentamicin for the treatment of infective endocarditis. Patients were classified into two groups: group A, before a neurotologist was included in the treatment protocol, and group B, after the inclusion of a neurotologist. The frequency of the different symptoms in each group was measured, and the gain of the vestibulo-ocular reflex (VOR) and its relationship with the presence of oscillopsia. In total, 13 and 16 patients were assigned to groups A and B, respectively. The mean gain of the VOR measured using the video head impulse test in group A was 0.44 in the best side and 0.39 in the worst side. In group B, the mean gain was 0.71 (best side) and 0.64 (worst side) (p < 0.0001). The patients who complained about oscillopsia had a main gain of 0.41 in the best side and 0.35 in the worst side. Evaluation of vestibular function should be included in the infective endocarditis treatment protocol, including the adverse effects of systemic gentamicin. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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11 pages, 574 KiB  
Article
History Taking in Non-Acute Vestibular Symptoms: A 4-Step Approach
by Raymond van de Berg and Herman Kingma
J. Clin. Med. 2021, 10(24), 5726; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm10245726 - 07 Dec 2021
Cited by 7 | Viewed by 3446
Abstract
History taking is crucial in the diagnostic process for vestibular disorders. To facilitate the process, systems such as TiTrATE, SO STONED, and DISCOHAT have been used to describe the different paradigms; together, they address the most important aspects of history taking, viz. time [...] Read more.
History taking is crucial in the diagnostic process for vestibular disorders. To facilitate the process, systems such as TiTrATE, SO STONED, and DISCOHAT have been used to describe the different paradigms; together, they address the most important aspects of history taking, viz. time course, triggers, and accompanying symptoms. However, multiple (vestibular) disorders may co-occur in the same patient. This complicates history taking, since the time course, triggers, and accompanying symptoms can vary, depending on the disorder. History taking can, therefore, be improved by addressing the important aspects of each co-occurring vestibular disorder separately. The aim of this document is to describe a 4-step approach for improving history taking in patients with non-acute vestibular symptoms, by guiding the clinician and the patient through the history taking process. It involves a systematic approach that explicitly identifies all co-occurring vestibular disorders in the same patient, and which addresses each of these vestibular disorders separately. The four steps are: (1) describing any attack(s) of vertigo and/or dizziness; (2) describing any chronic vestibular symptoms; (3) screening for functional, psychological, and psychiatric co-morbidity; (4) establishing a comprehensive diagnosis, including all possible co-occurring (vestibular) disorders. In addition, pearls and pitfalls will be discussed separately for each step. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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11 pages, 1201 KiB  
Article
Effect of Dexamethasone Combination with Gentamicin in Chemical Labyrinthectomy on Hearing Preservation and Vertigo Control in Patients with Unilateral Meniere’s Disease: A Randomized Controlled Clinical Trial
by Seong-Hoon Bae, Jeon-Mi Lee, Hyun-Jin Lee, Gina Na and Sung-Huhn Kim
J. Clin. Med. 2021, 10(23), 5581; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm10235581 - 27 Nov 2021
Cited by 6 | Viewed by 2123
Abstract
Chemical labyrinthectomy using gentamicin is a popular method for treating intractable vertigo attacks in Meniere’s disease. However, the risk of hearing loss remains a major concern for clinicians. We investigated the effect of simultaneous dexamethasone and gentamicin application on hearing preservation and vertigo [...] Read more.
Chemical labyrinthectomy using gentamicin is a popular method for treating intractable vertigo attacks in Meniere’s disease. However, the risk of hearing loss remains a major concern for clinicians. We investigated the effect of simultaneous dexamethasone and gentamicin application on hearing preservation and vertigo control in patients with intractable unilateral Meniere’s disease. A single-institutional, prospective, single-blinded, randomized clinical trial was conducted. Gentamicin-soaked Gelfoam® was directly applied on the oval window following middle ear exploration. On the round window, dexamethasone-soaked Gelfoam® was applied in the gentamicin with dexamethasone group (GD group, n = 18), and saline-soaked Gelfoam® was applied in the gentamicin with sham reagent group (GO group, n = 19). The hearing change 8 weeks after the procedure and vertigo control 2–12 months after the procedure were investigated. The high-frequency hearing threshold was significantly increased in the GO group (p = 0.005 and 0.012 for 4 and 8 kHz, respectively), but not in the GD group. The short-term (2–6 months) vertigo control was more successful in the GD group (57.89% vs. 94.44%, p = 0.019), but long-term control (6–12 months) was insignificant. In conclusion, the combined application of gentamicin and dexamethasone in chemical labyrinthectomy is an effective method for protecting high-frequency hearing and vertigo control. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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Review

Jump to: Editorial, Research, Other

8 pages, 520 KiB  
Review
Why Should Constant Stimulation of Saccular Afferents Modify the Posture and Gait of Patients with Bilateral Vestibular Dysfunction? The Saccular Substitution Hypothesis
by Ian S. Curthoys, Paul F. Smith and Angel Ramos de Miguel
J. Clin. Med. 2022, 11(4), 1132; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm11041132 - 21 Feb 2022
Cited by 5 | Viewed by 2162
Abstract
An ongoing EU Horizon 2020 Project called BionicVEST is investigating the effect of constant electrical stimulation (ES) of the inferior vestibular nerve in patients with bilateral vestibular dysfunction (BVD). The evidence is that constant ES results in improved postural stability and gait performance, [...] Read more.
An ongoing EU Horizon 2020 Project called BionicVEST is investigating the effect of constant electrical stimulation (ES) of the inferior vestibular nerve in patients with bilateral vestibular dysfunction (BVD). The evidence is that constant ES results in improved postural stability and gait performance, and so the question of central importance concerns how constant ES of mainly saccular afferents in these BVD patients could cause this improved performance. We suggest that the constant ES substitutes for the absent saccular neural input to the vestibular nuclei and the cerebellum in these BVD patients and indirectly via these structures to other structures, which have been of great recent interest in motor control. One target area, the anterior midline cerebellum (the uvula), has recently been targeted as a location for deep-brain stimulation in human patients to improve postural stability and gait. There are projections from midline cerebellum to basal ganglia, including the striatum, which are structures involved in the initiation of gait. It may be that the effect of this activation of peripheral saccular afferent neurons is analogous to the effect of deep-brain stimulation (DBS) by electrodes in basal ganglia acting to help alleviate the symptoms of patients with Parkinson’s disease. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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Other

22 pages, 3374 KiB  
Systematic Review
Proprioceptive Cervicogenic Dizziness Care Trajectories in Patient Subpopulations: A Scoping Review
by Joseph Gill-Lussier, Issam Saliba and Dorothy Barthélemy
J. Clin. Med. 2023, 12(5), 1884; https://0-doi-org.brum.beds.ac.uk/10.3390/jcm12051884 - 27 Feb 2023
Cited by 2 | Viewed by 3021
Abstract
Proprioceptive cervicogenic dizziness (PCGD) is the most prevalent subcategory of cervicogenic dizziness. There is considerable confusion regarding this clinical syndrome’s differential diagnosis, evaluation, and treatment strategy. Our objectives were to conduct a systematic search to map out characteristics of the literature and of [...] Read more.
Proprioceptive cervicogenic dizziness (PCGD) is the most prevalent subcategory of cervicogenic dizziness. There is considerable confusion regarding this clinical syndrome’s differential diagnosis, evaluation, and treatment strategy. Our objectives were to conduct a systematic search to map out characteristics of the literature and of potential subpopulations of PCGD, and to classify accordingly the knowledge contained in the literature regarding interventions, outcomes and diagnosis. A Joanna Briggs Institute methodology-informed scoping review of the French, English, Spanish, Portuguese and Italian literature from January 2000 to June 2021 was undertaken on PsycInfo, Medline (Ovid), Embase (Ovid), All EBM Reviews (Ovid), CINAHL (Ebsco), Web of Science and Scopus databases. All pertinent randomized control trials, case studies, literature reviews, meta-analyses, and observational studies were retrieved. Evidence-charting methods were executed by two independent researchers at each stage of the scoping review. The search yielded 156 articles. Based on the potential etiology of the clinical syndrome, the analysis identified four main subpopulations of PCGD: chronic cervicalgia, traumatic, degenerative cervical disease, and occupational. The three most commonly occurring differential diagnosis categories are central causes, benign paroxysmal positional vertigo and otologic pathologies. The four most cited measures of change were the dizziness handicap inventory, visual analog scale for neck pain, cervical range of motion, and posturography. Across subpopulations, exercise therapy and manual therapy are the most commonly encountered interventions in the literature. PCGD patients have heterogeneous etiologies which can impact their care trajectory. Adapted care trajectories should be used for the different subpopulations by optimizing differential diagnosis, treatment, and evaluation of outcomes. Full article
(This article belongs to the Special Issue Recent Advances in Diagnosis and Treatment of Vestibular Disorders)
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