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Nascimento J, Araújo P, Moreira I, Henriques MM, Amorim M, Machado E, Monteiro C. Visual vertigo in children- adaptation and validation of the visual vertigo analogue scale to European Portuguese. J Vestib Res 2024:VES230140. [PMID: 38875066 DOI: 10.3233/ves-230140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2024]
Abstract
BACKGROUND Visual vertigo occurs after vestibular and non-vestibular pathology and can be present in children and adolescents. It can be assessed by "the Visual Vertigo Analogue Scale" (VVAS), a questionnaire with a Portuguese version for adults. OBJECTIVES To perform the adaptation to pediatric age and validation of VVAS in European Portuguese. METHODS This prospective study involved the pediatric adaptation of the Portuguese VVAS, according to recognized guidelines. It was then completed by 30 healthy controls and 18 children with vestibulopathy. Patient caregivers also completed the Dizziness Handicap Inventory - Patient Caregivers (DHI-PC) to further explore the link between questionnaires. Groups were compared for severity of visual vertigo and VVAS test-retest reliability was tested. RESULTS The VVAS score was significantly higher in vestibular group (p < 0.001). No statistically significant differences were found between VVAS initial and re-test scores (p = 0.33). VVAS severity scores showed a positive correlation with DHI-PC (r = 0.598, p = 0.009). CONCLUSION The present Pediatric adaptation of VVAS in European Portuguese shows good psychometric properties for the assessment of visual vertigo. A positive correlation with the DHI-PC was showed, establishing the potential use of both questionnaires in the evaluation of vertigo children.
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Affiliation(s)
- Joana Nascimento
- Department of ENT, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal
| | - Pedro Araújo
- Department of ENT, Hospital da Luz, Lisbon, Portugal
| | - Inês Moreira
- Department of ENT, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal
| | | | - Margarida Amorim
- Department of ENT, Centro Hospitalar de Coimbra, Lisbon, Portugal
| | - Eugénia Machado
- Department of ENT, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal
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Keshavarz B, Adams MS, Gabriel G, Sergio LE, Campos JL. Concussion can increase the risk of visually induced motion sickness. Neurosci Lett 2024; 830:137767. [PMID: 38599370 DOI: 10.1016/j.neulet.2024.137767] [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: 03/01/2024] [Accepted: 04/07/2024] [Indexed: 04/12/2024]
Abstract
Concussion can lead to various symptoms such as balance problems, memory impairments, dizziness, and/or headaches. It has been previously suggested that during self-motion relevant tasks, individuals with concussion may rely heavily on visual information to compensate for potentially less reliable vestibular inputs and/or problems with multisensory integration. As such, concussed individuals may also be more sensitive to other visually-driven sensations such as visually induced motion sickness (VIMS). To investigate whether concussed individuals are at elevated risk of experiencing VIMS, we exposed participants with concussion (n = 16) and healthy controls (n = 15) to a virtual scene depicting visual self-motion down a grocery store aisle at different speeds. Participants with concussion were further separated into symptomatic and asymptomatic groups. VIMS was measured with the SSQ before and after stimulus exposure, and visual dependence, self-reported dizziness, and somatization were recorded at baseline. Results showed that concussed participants who were symptomatic demonstrated significantly higher SSQ scores after stimulus presentation compared to healthy controls and those who were asymptomatic. Visual dependence was positively correlated with the level of VIMS in healthy controls and participants with concussion. Our results suggest that the presence of concussion symptoms at time of testing significantly increased the risk and severity of VIMS. This finding is of relevance with regards to the use of visual display devices such as Virtual Reality applications in the assessment and rehabilitation of individuals with concussion.
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Affiliation(s)
- Behrang Keshavarz
- KITE Research Institute, Toronto Rehab-University Health Network, Toronto, Canada; Department of Psychology, Toronto Metropolitan University, Toronto, Canada.
| | - Meaghan S Adams
- KITE Research Institute, Toronto Rehab-University Health Network, Toronto, Canada; Baycrest Health Sciences, Toronto, Canada
| | - Grace Gabriel
- KITE Research Institute, Toronto Rehab-University Health Network, Toronto, Canada; Department of Psychology, University of Toronto, Canada
| | - Lauren E Sergio
- Centre for Vision Research, York University, Toronto, Canada
| | - Jennifer L Campos
- KITE Research Institute, Toronto Rehab-University Health Network, Toronto, Canada; Department of Psychology, University of Toronto, Canada; Centre for Vision Research, York University, Toronto, Canada
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3
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Picciotti PM, Rossi G, Settimi S, Fetoni AR, Coppola M, Galli J. Validity of Italian adaptation of the Vanderbilt Paediatric Dizziness Handicap Inventory. ACTA OTORHINOLARYNGOLOGICA ITALICA : ORGANO UFFICIALE DELLA SOCIETA ITALIANA DI OTORINOLARINGOLOGIA E CHIRURGIA CERVICO-FACCIALE 2023; 43:341-347. [PMID: 37519142 PMCID: PMC10551725 DOI: 10.14639/0392-100x-n2552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 04/23/2023] [Indexed: 08/01/2023]
Abstract
Objective The paediatric caregiver version of the Dizziness Handicap Inventory (DHI-PC) questionnaire is a useful Quality of Life (QoL) evaluation instrument for children experiencing dizziness, vertigo or unsteadiness. Its English version has been validated for use with a paediatric population between 5 and 12 years of age. The aim of this work is to validate the DHI-PC into Italian for both patient assessment and appropriate rehabilitative treatment planning. Materials and methods Cross-cultural adaptation of the DHI-PC was performed using standard techniques. Items of the original questionnaire were translated into Italian by two bilingual investigators. Two native English speakers carried out a back translation of the new version that was compared with the original to check that they had the same semantic value. A pre-final version was obtained by an expert committee and was applied in a pilot test. Results A total of 42 patient caregivers completed the final adapted questionnaire twice with an interval of 2 weeks. Internal consistency was excellent, with Cronbach's alpha = 0.95. Conclusions Our study showed evidence that the Italian version of DHI-PC is a valid and reliable tool to quantify the degree of dizziness handicap and its application is recommended.
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Affiliation(s)
- Pasqualina Maria Picciotti
- Unit of Otorhinolaryngology - Head and Neck Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Department of Head and Neck and Sensory Organs, Catholic University of the Sacred Hearth, Rome, Italy
| | - Giorgia Rossi
- Unit of Otorhinolaryngology - Head and Neck Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
| | - Stefano Settimi
- Unit of Otorhinolaryngology - Head and Neck Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Department of Head and Neck and Sensory Organs, Catholic University of the Sacred Hearth, Rome, Italy
| | - Anna Rita Fetoni
- Department of Neuroscience, Reproductive sciences and Dentistry - Audiology Section, University of Naples Federico II, Naples, Italy
| | - Maria Coppola
- Neonatal Intensive Care Unit, sub TIN, Neonatal Pathology and Neonatology, San Giovanni Calibita Fatebenefratelli Hospital - Gemelli Isola, Rome, Italy
| | - Jacopo Galli
- Unit of Otorhinolaryngology - Head and Neck Surgery, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy
- Department of Head and Neck and Sensory Organs, Catholic University of the Sacred Hearth, Rome, Italy
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Vestibular dysfunction amongst adolescents: what do we know? A review. J Laryngol Otol 2023; 137:2-6. [PMID: 35616060 DOI: 10.1017/s0022215122001268] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
BACKGROUND Vestibular dysfunction in children is a debilitating condition that results in countless pernicious effects, such as motor development delay, poor academic performance and psychosocial impairment. Yet, research pertaining to vestibular and balance disorders amongst adolescents is still lacking and remains an enigma. METHODS This paper outlines novel emerging aetiological factors contributing to vestibular dysfunction amongst adolescents by appraising published articles through a narrative review. RESULTS Underlying aetiological factors of vestibular dysfunction can be identified among adolescents with thorough evaluation. Proper diagnostic evaluation of vestibular dysfunction is imperative in providing optimal care and guiding appropriate treatment strategies. The available literature demonstrated multifactorial aetiological factors that contribute to vestibular dysfunction in adolescents. CONCLUSION Outlining the underlying aetiological factors of vestibular dysfunction is vital to ensure that patients receive appropriate care and treatment.
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Predictive values of neutrophil-to-lymphocyte ratio (NLR), platelet-to-lymphocyte ratio (PLR), and other prognostic factors in pediatric vestibular neuritis patients. Int J Pediatr Otorhinolaryngol 2023; 164:111383. [PMID: 36436319 DOI: 10.1016/j.ijporl.2022.111383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 09/26/2022] [Accepted: 11/14/2022] [Indexed: 11/18/2022]
Abstract
OBJECTIVE To analyze the relationship between severity and hemodynamic factor in pediatric vestibular neuritis patients and find out their effectiveness as a prognostic factor. STUDY DESIGN Retrospective review. SETTING Tertiary medical center. PATIENTS Pediatric patients diagnosed between January 2010 and December 2019 at a tertiary medical institution who were hospitalized with dizziness. MAIN OUTCOME MEASURE A study of the duration of spontaneous nystagmus loss and the severity of the disease using questionnaires (PVSQ, DHI) in pediatric patients admitted to Vestibular neuritis (VN) and correlation with NLR, PLR, MPV and RDW conducted at the time of admission. RESULT This study was conducted on 22 children with VN and 30 children in control group. For the evaluate of the severity of the symptoms of VN patients, two group were classified based on the period from the onset of the symptom to the loss of the spontaneous nystagmus.: mild VN and severe VN, and the PVSQ and DHI questionnaires were used to assess the degree of improvement. PVSQ and DHI score generally improved during spontaneous nystagmus loss, and comparing the severity of the symptoms with the values of NLR, PLR, MPV and RDW showed a positive correlation between the severity of the symptoms and the value of the NLR and PLR value. CONCLUSION NLR, PLR value is thought to be an efficient indicator of pediatric VN patents and could be a clue to the current unknown cause of childhood VN disease.
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Davenport M, Condon B, Lamoureux C, Phipps Johnson JL, Chen J, Rippee MA, Zentz J. The University of Kansas Health System Outpatient Clinical Concussion Comprehensive Protocol: An Interdisciplinary Approach. Health Serv Insights 2022; 15:11786329221114759. [PMID: 36034733 PMCID: PMC9411741 DOI: 10.1177/11786329221114759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Accepted: 06/30/2022] [Indexed: 11/24/2022] Open
Abstract
Objective: The concussion team at The University of Kansas Health System outpatient rehabilitation spine center is comprised of experienced multi-disciplinary experts including physical therapists and a speech language pathologist. The team set forth with a purpose of creating and organizing an internal physical therapy clinical recommendation protocol for initial evaluations and subsequent treatments for the concussed patient. The aim of this paper is to share these recommendation protocols with other therapy teams and provide a foundational layout for treating the patient with post-concussion symptoms in an outpatient physical therapy clinical setting. Study design: Clinical recommendation protocol provides guidance for patients ages 10+ from initial evaluation through discharge with emphasis on evidence-based research in the areas of: oculomotor, cervical, vestibular, post-concussion migraine influence, mood disorders(such as anxiety and depression), exertion, and cognitive communicative dysfunction. Results: Finding a written, comprehensive clinical resource protocol for post-concussion outpatient evaluation(s) and treatment strategies can be difficult. This document serves as a resource for other outpatient concussion rehabilitation clinics, providing rationale, and objective measurement tools, for assessing and treating concussion patients. To the authors’ knowledge, no other research has produced a practical, efficient evaluation tool to be utilized at bed side, condensing evidence-based research into an easy-to-use form. Conclusion: The University of Kansas Health System outpatient concussion rehabilitation center developed clinical recommendation protocols for concussion care. The intent was to standardize assessment and treatment for concussion patients and to share these objective measurement tools and procedures, focused on a team approach of concussion providers, as a clinical outline for both the novice and seasoned clinician specializing in the field of concussion work in an outpatient rehabilitation setting.
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Affiliation(s)
- Maria Davenport
- Department of Rehabilitation Services, The University of Kansas Health System, Kansas City, KS, USA
| | - Bill Condon
- Department of Rehabilitation Services, The University of Kansas Health System, Kansas City, KS, USA
| | - Claude Lamoureux
- Department of Rehabilitation Services, The University of Kansas Health System, Kansas City, KS, USA
| | - Jamie L Phipps Johnson
- Department of Rehabilitation Services, The University of Kansas Health System, Kansas City, KS, USA
| | - Jamie Chen
- Center for Concussion Management, The University of Kansas Health System, Kansas City, KS, USA
| | - Michael A Rippee
- Department of Neurology, The University of Kansas Health System, Kansas City, KS, USA
| | - Jennifer Zentz
- Director of Ambulatory Operations, UT Southwestern Medical Center, Dallas, TX, USA
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Castillo-Bustamante M, Barona Cabrera M, Suárez Angulo S, García Campuzano M, García A, Madrigal J. Facts of Vertigo in Adolescents: Controversies and Challenges – A Narrative Review. Cureus 2022; 14:e28294. [PMID: 36168384 PMCID: PMC9506299 DOI: 10.7759/cureus.28294] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/23/2022] [Indexed: 11/27/2022] Open
Abstract
Vertigo is a common complaint in the general population affecting 5% of adults in one year. At least 29.5% of adults have referred vertigo during life. Even though the prevalence of vertigo is well known in adults the epidemiologic data in adolescents is sparse. To date, it is known that adolescent females are usually affected by vertigo and some conditions such as depression and anxiety are found in this population. However, the lack of information about the prevalence of most common types of vertigo in adolescents, predisposing factors, challenges, and controversies in clinics in the literature, present a challenge for clinicians regarding the approach and follow-up of this population. Herein, we performed a literature review including data about the prevalence, most common types of vertigo and controversial events in the approach of vertigo in adolescents over the last two decades.
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Visually induced dizziness. Curr Opin Neurol 2022; 35:113-117. [PMID: 35018900 DOI: 10.1097/wco.0000000000001022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE OF REVIEW Visually induced dizziness (VID) is a common phenomenon in vestibular disorders of both peripheral and central causes. This article provides a review of the most updated understandings of definition, pathophysiology, and treatment options. RECENT FINDINGS The pathophysiology is complex and its severity or persistence may be related both to the underlying cause and heritable factors. Environmental and psychological factors may influence the degree of impact of VID on daily life function. Treatment is mostly empiric at this point but includes pharmacologic, desensitization, cognitive behavioral therapies, visual rehabilitation, and treatment of the underlying cause whenever present. Additional research is needed to clarify the best management of this vestibular symptom as well as some of the other conditions with which it is commonly associated. SUMMARY VID is a fairly common vestibular syndrome constitutng spatial disorientation without illusory motion. As it is seen in both peripheral and central vestibular disorders, it should be considered a syndrome or constellation of symptoms rather than a discrete disorder. In some cases, it may be the presenting symptom with no other clear disorder linked to it.
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Alkathiry AA, Alsubaie SF, Alsalaheen BA, Whitney SL. Validation of the Gait Disorientation Test in children with concussion. Front Pediatr 2022; 10:927708. [PMID: 36071881 PMCID: PMC9444138 DOI: 10.3389/fped.2022.927708] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 07/27/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Mild traumatic brain injury (mTBI) or concussion is a complex injury that is difficult to diagnose and assess. There are negative impacts on cognition, balance, and mobility after a concussion. The Gait Disorientation Test (GDT) is an objective measure that assesses a person's balance ability by comparing the walking time with eyes open and the walking time with eyes closed in a standardized walking task. The purpose of this study was to assess the validity and the diagnostic properties of the GDT in children with concussions. METHODS Thirty-six children with concussions, and 91 controls aged between 9 and 18 years old participated in the study. Participants completed demographics, the GDT, the Functional Gait Assessment (FGA), the Pediatric Vestibular Symptom Questionnaire (PVSQ), and the Pediatric Visually Induced Dizziness Questionnaire (PVID). RESULTS Children with concussions showed higher (worse) GDT scores (M = 2.18 ± 1.93 s) than healthy controls (M = 1.13 ± 0.95 s), which was statistically significant (P = 0.014). CONCLUSION The GDT was able to distinguish between children with concussions and healthy controls. Given the simplicity of the GDT, it can be used to assist in discriminating between children with and without concussion.
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Affiliation(s)
- Abdulaziz A Alkathiry
- Department of Physical Therapy and Health Rehabilitation, Majmaah University, Majmaah, Saudi Arabia
| | - Saud F Alsubaie
- Department of Physical Therapy and Health Rehabilitation, College of Applied Medical Sciences in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Bara A Alsalaheen
- Department of Physical Therapy, College of Health Sciences, University of Michigan-Flint, Flint, MI, United States
| | - Susan L Whitney
- Department of Physical Therapy, School of Health and Rehabilitation Sciences, University of Pittsburgh, Pittsburgh, PA, United States
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Visually Evoked Postural Responses (VEPRs) in Children with Vestibular Migraine. CHILDREN (BASEL, SWITZERLAND) 2021; 9:children9010014. [PMID: 35053639 PMCID: PMC8774045 DOI: 10.3390/children9010014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/21/2021] [Accepted: 12/23/2021] [Indexed: 01/03/2023]
Abstract
Vestibular migraine (VM) is the most common cause of episodic vertigo in children. Vertigo, nausea, dizziness and unsteadiness are often complained of by children with migraine, which can precede, follow or be present simultaneously with headache. The aim of this study was to use posturography to investigate the visually evoked postural responses (VEPRs) of children with VM and compare them to data obtained from children with primary headache (M) and controls (C). Twenty children diagnosed as affected by VM, nineteen children with M without aura and twenty healthy subjects were recruited in this cross-sectional study. Posturography was performed by a standardized stabilometric force-platform (Svep-Politecnica) in the following conditions: open eyes (OE), closed eyes (CE) and during full-field horizontal optokinetic stimulation (OKN-S). Electronystagmography was performed simultaneously to analyze optokinetic reflex parameters. In the OE condition, no difference was found between groups with respect to body sway area. In contrast, this parameter increased in the two pathological groups with respect to controls in the CE condition. The optokinetic stimulations also induced a similar increase of body sway area in the M group relative to controls, but a further increase was elicited in the VM group. Electronystagmographic recording also revealed different optokinetic reflex parameters in the latter groups. This study disclosed an abnormal sensitivity of children with M and VM to full-field moving scenes and a consequent destabilization of posture, as documented by the abnormal VEPRs. Children with VM were particularly exposed to this risk. Possible clinical implications of these findings are discussed.
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Verdecchia DH, Hernandez D, Andreu MF, Salzberg SE, Whitney SL. Validated argentine version of the visual vertigo analogue scale. J Vestib Res 2021; 32:235-243. [PMID: 34308920 DOI: 10.3233/ves-210062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND Visual vertigo (VV), triggered by environmental or dynamic visual stimuli and repetitive visual patterns, can affect daily life activities. The Visual Vertigo Analogue Scale (VVAS) is a valid and reliable self-administered questionnaire to assess VV, which has been culturally adapted to the Argentine population but has not been validated. OBJECTIVE To validate the Argentine version of VVAS (VVAS-A) by confirming its psychometric properties in patients with vestibular disorders. METHODS Vestibular patients (n = 82) completed the VVAS-A and the Dizziness Handicap Inventory Argentine version (DHI-A) during their initial visit and one week later. The VVAS-A's internal consistency, test retest reliability, ceiling and floor effects, and construct validity were determined. Test-retest data (n = 71) was used to calculate reliability using the intraclass correlation coefficient (ICC 2.1). RESULTS A ceiling effect was observed in 12 patients (14.6%). Internal consistency was acceptable (Cronbach's alpha: 0.91). The reliability was r = 0.764 [CI 95%: 0.7 -0.86]). Correlations were observed between the VVAS-A and the total DHI-A score (rho = 0.571), the DHI-A physical subscale (rho: 0.578), and DHI-A functional and emotional subscales of the DHI-A (rho: 0.537 and 0.387, respectively). CONCLUSION VVAS-A is a valid, reliable tool to evaluate VV in patients with vestibular disorders.
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Affiliation(s)
- Daniel H Verdecchia
- Physical Therapy Program, Health SciencesDepartment, Universidad Nacional de la Matanza, Buenos Aires, Argentina.,Physical Therapy Program, UniversidadMaimónides, City of Buenos Aires, Argentina.,Physical Therapy Program, Medical School, Universidad de Buenos Aires
| | - Daniel Hernandez
- Physical Therapy Program, Medical School, Universidad de Buenos Aires.,Physical TherapyUnit, Acute Care Hospital "Carlos G. Durand". City of BuenosAires, Argentina
| | - Mauro F Andreu
- Physical Therapy Program, Health SciencesDepartment, Universidad Nacional de la Matanza, Buenos Aires, Argentina
| | - Sandra E Salzberg
- Physical TherapyUnit, Acute Care Hospital "Carlos G. Durand". City of BuenosAires, Argentina
| | - Susan L Whitney
- Departments of Physical Therapyand Otolaryngology, University of Pittsburgh, Pittsburgh, PA, USA
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Lacroix E, Edwards MG, De Volder A, Noël MP, Rombaux P, Deggouj N. Neuropsychological profiles of children with vestibular loss. J Vestib Res 2021; 30:25-33. [PMID: 32083606 DOI: 10.3233/ves-200689] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND The impact of vestibular loss (VL) on cognition has been previously studied in experimental animal, human and adult patient studies showing links between VL, and cognitive impairments in space orientation, working memory, mental rotation and selective attention. However, few studies have been conducted on children with VL. OBJECTIVE We investigated for the first time, the impact of a VL on children's cognition. METHODS 13 children with VL (10 years, 5 months) and 60 average-age matched controls performed a neuropsychological assessment consisting of visuospatial working memory, selective visual attention, mental rotation and space orientation tasks. RESULTS Children with VL recalled smaller sequences for both forward and backward memory subtasks (mean±SD = 6.3±1.9 and 5.3±2.6) than controls (8.2±2.3 and 7.3±2.0), have less accurate mental rotation scores (25.4±6 versus 30.8±5.1) and greater additional distance travelled in the maze task (96.4±66.6 versus 60.4±66.3); all corrected p-values <0.05. Selective visual attention measures do not show significant differences. CONCLUSIONS Children with VL show similar cognitive difficulties that adults with VL, in tasks involving dynamic cognitive processes (higher attentional load) that in tasks requiring static cognitive processes such as visual attention task.
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Affiliation(s)
- Emilie Lacroix
- Oto-Rhino-Laryngology Department, Cliniques Universitaires Saint-Luc, Brussels, Belgium.,Institute of Neuroscience (IONS), Université Catholique de Louvain, Louvain-la-Neuve, Belgium.,Institute for Research in Psychological Science (IPSY), Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Martin Gareth Edwards
- Institute of Neuroscience (IONS), Université Catholique de Louvain, Louvain-la-Neuve, Belgium.,Institute for Research in Psychological Science (IPSY), Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Anne De Volder
- Institute of Neuroscience (IONS), Université Catholique de Louvain, Louvain-la-Neuve, Belgium.,Institute for Research in Psychological Science (IPSY), Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Marie-Pascale Noël
- Institute for Research in Psychological Science (IPSY), Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Philippe Rombaux
- Oto-Rhino-Laryngology Department, Cliniques Universitaires Saint-Luc, Brussels, Belgium.,Institute for Research in Psychological Science (IPSY), Université Catholique de Louvain, Louvain-la-Neuve, Belgium
| | - Naima Deggouj
- Oto-Rhino-Laryngology Department, Cliniques Universitaires Saint-Luc, Brussels, Belgium.,Institute of Neuroscience (IONS), Université Catholique de Louvain, Louvain-la-Neuve, Belgium.,Institute for Research in Psychological Science (IPSY), Université Catholique de Louvain, Louvain-la-Neuve, Belgium
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Measuring optokinetic after-nystagmus: potential for detecting patients with signs of visual dependence following concussion. J Neurol 2020; 268:1747-1761. [PMID: 33367947 PMCID: PMC8068696 DOI: 10.1007/s00415-020-10359-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 11/20/2020] [Accepted: 12/04/2020] [Indexed: 12/27/2022]
Abstract
Concussed patients with chronic symptoms commonly report dizziness during exposure to environments with complex visual stimuli (e.g. supermarket aisles, busy crossroads). Such visual induced dizziness is well-known in patients with vestibular deficits, in whom it indicates an overreliance on visual cues in sensory integration. Considering that optokinetic after-nystagmus (OKAN) reflects the response of the central network integrating visual and vestibular self-motion signals (velocity storage network), we investigated OKAN in 71 patients [17 (23.9%) females, 30.36 ± 9.05 years old] who suffered from persistent symptoms after a concussion and presented clinical signs suggesting visual dependence. Data were retrospectively compared with 21 healthy individuals [13 (61.9%) females, 26.29 ± 10.00 years old]. The median values of the slow cumulative eye position and of the time constant of OKAN were significantly higher in patients than in healthy individuals (slow cumulative eye position: 124.15 ± 55.61° in patients and 77.87 ± 45.63° in healthy individuals—p = 0.012; time constant: 25.17 ± 10.27 s in patients and 13.95 ± 4.92 s in healthy individuals—p = 0.003). The receiving operating curve (ROC) estimated on the time constant had an overall area under the curve of 0.73. Analysis of the ROC suggests that a test measuring the OKAN time constant could obtain a sensitivity of 0.73 and specificity of 0.72 in determining the origin of the visual-related disturbances in those patients (threshold 16.6 s). In a subset of 43 patients who also performed the Sensory Organization Test (SOT), the proposed OKAN test was twice as sensitive as the SOT. This study suggests that concussed patients with persisting visual symptoms may have an underlying impairment of the velocity storage mechanism and that measuring the OKAN time constant can objectify such impairment.
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Eye Movements, Dizziness, and Mild Traumatic Brain Injury (mTBI): A Topical Review of Emerging Evidence and Screening Measures. J Neurol Phys Ther 2020; 43 Suppl 2:S31-S36. [PMID: 30883491 DOI: 10.1097/npt.0000000000000272] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND AND PURPOSE Eye movements may be adversely affected after mild traumatic brain injury (mTBI) and should be examined. The purpose of this topical review is to provide the clinician with the most up-to-date knowledge related to eye movement abnormalities, screening measures, and evidence related to exercise interventions that are designed to enhance outcomes in persons after mTBI. SUMMARY OF KEY POINTS Presence of eye misalignment such as tropias or phoria or symptoms with head/eye movements such as vestibulo-ocular reflex (VOR) × 1, saccades, or smooth pursuits may slow the person's recovery. Tools such as the Convergence Insufficiency Symptom Survey, the Vestibular/Ocular Motor Screening, the Pediatric Vestibular Symptom Questionnaire, and the Pediatric Visually Induced Dizziness questionnaire may aid in identifying visual concerns to target in the physical therapy intervention program. There is emerging evidence that vestibular rehabilitation enhances recovery in persons after mTBI. RECOMMENDATIONS FOR CLINICAL PRACTICE A thorough eye examination is highly recommended after mTBI to identify targeted areas for intervention.
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Zhou C, Zhang L, Jiang X, Shi S, Yu Q, Chen Q, Yao D, Pan Y. A Novel Diagnostic Prediction Model for Vestibular Migraine. Neuropsychiatr Dis Treat 2020; 16:1845-1852. [PMID: 32801719 PMCID: PMC7398677 DOI: 10.2147/ndt.s255717] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 07/03/2020] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Increasing morbidity and misdiagnosis of vestibular migraine (VM) gravely affect the treatment of the disease as well as the patients' quality of life. A powerful diagnostic prediction model is of great importance for management of the disease in the clinical setting. MATERIALS AND METHODS Patients with a main complaint of dizziness were invited to join this prospective study. The diagnosis of VM was made according to the International Classification of Headache Disorders. Study variables were collected from a rigorous questionnaire survey, clinical evaluation, and laboratory tests for the development of a novel predictive diagnosis model for VM. RESULTS A total of 235 patients were included in this study: 73 were diagnosed with VM and 162 were diagnosed with non-VM vertigo. Compared with non-VM vertigo patients, serum magnesium levels in VM patients were lower. Following the logistic regression analysis of risk factors, a predictive model was developed based on 6 variables: age, sex, autonomic symptoms, hypertension, cognitive impairment, and serum Mg2+ concentration. The area under the curve (AUC) of the receiver operating characteristic (ROC) curve was 0.856, which was better than some of the reported predictive models. CONCLUSION With high sensitivity and specificity, the proposed logistic model has a very good predictive capability for the diagnosis of VM. It can be used as a screening tool as well as a complementary diagnostic tool for primary care providers and other clinicians who are non-experts of VM.
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Affiliation(s)
- Chang Zhou
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150000, People's Republic of China
| | - Lei Zhang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150000, People's Republic of China
| | - Xuemei Jiang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150000, People's Republic of China
| | - Shanshan Shi
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150000, People's Republic of China
| | - Qiuhong Yu
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150000, People's Republic of China
| | - Qihui Chen
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150000, People's Republic of China
| | - Dan Yao
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150000, People's Republic of China
| | - Yonghui Pan
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150000, People's Republic of China
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Abstract
PURPOSE A case study of a 12-year-old boy with Irlen syndrome illustrates the overlapping symptoms of Irlen syndrome and vestibular-related dizziness. SUMMARY OF KEY POINTS Individuals with Irlen syndrome have eyestrain and headache, and often report visual perceptual distortions of blurring, doubling, and movement of print on the page. These symptoms can be relieved with the use of individually prescribed tinted lenses or overlays. Visually induced dizziness, also known as visual vertigo, is characterized by dizziness and/or unsteadiness that is triggered by complex, distorted, large field/moving visual stimuli. Visually induced dizziness can be effectively treated with progressive, controlled exposure to optokinetic visual stimuli. The child with Irlen syndrome had impaired balance, impaired gaze stability, and symptoms of visual vertigo. His complaint of visually induced dizziness resolved following vestibular rehabilitation. CONCLUSIONS AND RECOMMENDATIONS FOR CLINICAL PRACTICE When an individual with Irlen syndrome complains of dizziness, ruling out a concomitant diagnosis of a central and/or peripheral vestibular disorder is warranted. WHAT THIS ADDS TO THE EVIDENCE The visual symptoms associated with Irlen syndrome can overlap with those of visually induced dizziness. This case report is the first to describe overlapping visual and vestibular complaints of dizziness in an individual with Irlen syndrome.
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Vestibular rehabilitation: advances in peripheral and central vestibular disorders. Curr Opin Neurol 2019; 32:137-144. [DOI: 10.1097/wco.0000000000000632] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Abstract
This article focuses on vestibular rehabilitation (VR) for children. Reports of the presence of vestibular dysfunction in infants, young children, and adolescents have increased over the past decade. In addition to being a comorbidity of sensorineural hearing loss, vestibular dysfunction has been noted in children with cytomegalovirus, late prematurity, and concussion, to name a few. Despite ample evidence and reports of VR for adults, the selection and provision of exercises to be included in the VR protocol for children vary, depending on the nature of the lesion, impairments identified, age at the time of lesion, and developmental factors such as critical periods of development and intermodality interdependence. Unlike adults, children with loss of function or hypofunction of the vestibular apparatus since or shortly after birth present with a developmental delay that is progressive. Very young children may not be able to describe symptoms but rather only avoid activities or cry. This report provides a review of vestibular-related impairments in children, determinants of the symptoms and functional impairments of vestibular dysfunction, the mechanisms of recovery in children, the challenges of VR for children, and a summary of research on the efficacy for VR for children.
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Christy JB. Considerations for Testing and Treating Children with Central Vestibular Impairments. Semin Hear 2018; 39:321-333. [PMID: 30038458 DOI: 10.1055/s-0038-1666821] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
This perspective explores common pediatric diagnoses that could present with central vestibular pathway dysfunction, leading to delays in motor development and postural control, and gaze instability. Specifically, the following diagnoses are considered: cerebral palsy, myelomeningocele, vestibular migraine, attention-deficit hyperactivity disorder, developmental coordination disorder, concussion, childhood cancer, congenital muscular torticollis, adolescent idiopathic scoliosis, and autism. Suggestions for clinical screening, vestibular function testing, and vestibular rehabilitation for children with these diagnoses are based on evidence for the efficacy of testing and interventions for children with peripheral vestibular hypofunction. More research is needed to explore peripheral and central vestibular function in children with these diagnoses. Testing and intervention methods may need to be modified to accommodate for the specific behavior and motor challenges that some children might present. Researchers should develop technology so that gaze stabilization exercises can be delivered in a fun, functional, and effective way.
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Affiliation(s)
- Jennifer B Christy
- Department of Physical Therapy, School of Health Professions, The University of Alabama at Birmingham, Birmingham, Alabama
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Janky KL, Rodriguez AI. Quantitative Vestibular Function Testing in the Pediatric Population. Semin Hear 2018; 39:257-274. [PMID: 30038454 DOI: 10.1055/s-0038-1666817] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
Quantitative tests of vestibular function include the caloric test, cervical and ocular vestibular evoked myogenic potential (VEMP), rotary chair, and head impulse test, either at the bedside or utilizing video head impulse test (vHIT). The purpose of this article is to provide an overview of how to perform these tests in children, including which tests are recommended based on the child's age and any modifications or considerations that can be made. A variety of clinical measures have been recommended as screening measures for vestibular loss, which will be reviewed. Symptom questionnaires designed to assess the functional impact of dizziness and vestibular loss in children will also be discussed. If a child complains of dizziness or if vestibular loss is suspected (either by case history or positive screening measure), vestibular function testing is warranted. For vestibular function testing, children aged 0 to 2 years typically receive rotary chair, cervical VEMP, and vHIT if a remote system is available. For children aged 3 to 7 years, vHIT, cervical VEMP, and ocular VEMP are completed, and for children aged 8+ years, vHIT, caloric testing if vHIT is normal, and cervical and ocular VEMP are completed. For all children, modifications to testing can be made, as needed.
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Affiliation(s)
- Kristen L Janky
- Department of Audiology, Boys Town National Research Hospital, Omaha, Nebraska
| | - Amanda I Rodriguez
- Department of Audiology, Boys Town National Research Hospital, Omaha, Nebraska
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