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dc.contributor.authorSmith, RMen
dc.contributor.authorMarroney, Nen
dc.contributor.authorBeattie, Jen
dc.contributor.authorNewdick, Aen
dc.contributor.authorTahtis, Ven
dc.contributor.authorBurgess, Cen
dc.contributor.authorMarsden, Jen
dc.contributor.authorSeemungal, BMen

<jats:title>Abstract</jats:title><jats:sec><jats:title>Background</jats:title><jats:p>Traumatic brain injury (TBI) is the leading cause of long-term disability in working age adults. Recent studies show that most acute TBI patients demonstrate vestibular features of dizziness and imbalance, often from combined peripheral and central vestibular dysfunction. Effective treatment for vestibular impairments post-TBI is important given its significant adverse impact upon quality of life and employment prospects. The most frequent peripheral vestibular disorder in acute TBI is benign paroxysmal positional vertigo (BPPV), affecting approximately half of acute cases. Although there is effective treatment for idiopathic BPPV, there are no high-quality clinical data for post-TBI BPPV regarding its prevalence, natural history, which treatment is most effective and when is the best time to treat. In particular, observational studies suggest post-TBI BPPV may be recurrent, indicating that hyperacute treatment of BPPV may be futile. Given the potential hurdles and the lack of accurate post-TBI BPPV data, the current study was designed to provide information regarding the feasibility and optimal design of future large-scale prospective treatment studies that would compare different interventions and their timing for post-TBI BPPV.</jats:p></jats:sec><jats:sec><jats:title>Method</jats:title><jats:p>A multi-centre randomised mixed methods feasibility study design was employed. We aim to recruit approximately 75 acute TBI patients across a range of clinical severities, from three major trauma centres in London. Patients will be randomised to one of three treatment arms: (1) therapist-led manoeuvres, (2) patient-led exercises and (3) advice. Participants will be re-assessed by blinded outcome assessors at 4 and 12 weeks. Acceptability of the intervention will be obtained by patient interviews at the end of their treatment and therapist interviews at the end of the study. Primary outcomes relate to feasibility parameters including recruitment and retention rates, adverse events and intervention fidelity. We will also aim to provide a more accurate estimate of the prevalence of BPPV in TBI cases on the trauma ward.</jats:p></jats:sec><jats:sec><jats:title>Discussion</jats:title><jats:p>The multi-centre nature of our feasibility study will inform the design of a future prospective treatment trial of BPPV in acute TBI. Important parameters we will obtain from this study, key for designing a future prospective treatment study, include estimating the prevalence of BPPV in TBI patients admitted to UK major trauma wards, and elucidating both patient and care-provider barriers in delivering BPPV treatment.</jats:p></jats:sec><jats:sec><jats:title>Trial registration</jats:title><jats:p>ISRCTN,<jats:ext-link xmlns:xlink="" ext-link-type="uri" xlink:href="">ISRCTN91943864</jats:ext-link>. Registered on 10 February 2020.</jats:p></jats:sec>

dc.publisherSpringer Science and Business Media LLCen
dc.titleA mixed methods randomised feasibility trial investigating the management of benign paroxysmal positional vertigo in acute traumatic brain injuryen
dc.typeJournal Article
plymouth.journalPilot and Feasibility Studiesen
plymouth.organisational-group/Plymouth/Faculty of Health
plymouth.organisational-group/Plymouth/Faculty of Health/School of Health Professions
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA
plymouth.organisational-group/Plymouth/REF 2021 Researchers by UoA/UoA03 Allied Health Professions, Dentistry, Nursing and Pharmacy
plymouth.organisational-group/Plymouth/Research Groups
plymouth.organisational-group/Plymouth/Research Groups/FoH - Applied Parkinson's Research
plymouth.organisational-group/Plymouth/Research Groups/Institute of Health and Community
plymouth.organisational-group/Plymouth/Users by role
plymouth.organisational-group/Plymouth/Users by role/Academics
dc.rights.embargoperiodNot knownen
rioxxterms.typeJournal Article/Reviewen

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