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1.
Can J Neurol Sci ; 48(2): 245-252, 2021 03.
Artigo em Inglês | MEDLINE | ID: mdl-32684199

RESUMO

BACKGROUND: Falls are a growing concern in seniors (≥65 yrs). Cognitive impairment (CI) and vestibular impairment (VI) increase fall risk. The aim of this study is to assess the prevalence of CI and VI in seniors experiencing falls. METHODS: Participants (≥65 yrs) with falls were recruited from Falls Prevention Programs (FPPs) and a Memory Clinic (MC). CI was assessed using the Montreal Cognitive Assessment at FPPs. VI was assessed at an MC and FFPs using the Head Impulse- (video + bedside), Headshake-, Dix-Hallpike test, and test of sensory interaction in balance. Questionnaires included Dizziness Handicap Inventory (DHI) and Activities-specific Balance Confidence Scale (ABC). RESULTS: Of 41 participants (29 FPPs, 12 MC); mean age was 80.1 ± 7.1 years, and 58.5% were female. Overall, 82.9% had VI. At FPPs, 76.0% had CI, and 72.3% had CI + VI. Bilateral vestibular hypofunction (BVH) was more common than unilateral vestibular hypofunction (UVH) (70.6% vs. 29.4%); p = 0.016. Dizziness Handicap (DHI) was not different between those with a VI (23.5 ± 23.9) versus without VI [PVI + no impairment] (10.0 ± 15.4); p = 0.160. Balance confidence (ABC) was lowest in VI but not significantly different between those with a VI (63.4 ± 27.3) versus without VI [PVI + no impairment] (85.0 ± 16.5); p = 0.053. CONCLUSIONS: VI and CI are prevalent in seniors experiencing falls. For seniors with history of falls, both cognitive and vestibular functions should be considered in the assessment and subsequent treatment. Screening enables earlier detection, targeted interventions, and prevention, reducing the clinical and financial impact.


Assuntos
Acidentes por Quedas , Doenças Vestibulares , Idoso de 80 Anos ou mais , Cognição , Feminino , Humanos , Equilíbrio Postural , Prevalência , Doenças Vestibulares/complicações , Doenças Vestibulares/epidemiologia
2.
Can J Neurol Sci ; 47(1): 126-130, 2020 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-31735189

RESUMO

Vestibular impairment (VI) and cognitive impairment (CI) are risk factors for senior falls. We tested the feasibility of a self-directed 12-week vestibular rehabilitation (VR) program in Memory Clinic patients (65 years+) with a fall, CI and VI. We assessed recruitment, exercise adherence and ability to complete questionnaires/assessments. Twelve patients with CI and falls were screened and 8/12 (75% - prevalence) had VI. All patients completed the screening tests/questionnaires (100% - completeness); 7/8 patients were recruited (87.5% - recruitment); 1/7 (85.7% - attrition) patient attended follow-up. VI is prevalent in patients with CI experiencing falls but traditional VR is not feasible, so a novel delivery of VR must be explored.


Les exercices de réadaptation vestibulaire comme stratégie de prévention des chutes chez des patients atteints de troubles cognitifs. Les troubles vestibulaires (TV) et les troubles cognitifs (TC) sont des facteurs de risque de chute chez les personnes âgées. À cet égard, nous avons évalué le caractère réalisable d'un programme autonome de réadaptation vestibulaire de 12 semaines offert, dans une clinique de la mémoire, à des patients âgés de 65 ans et plus ayant chuté au moins une fois et qui sont atteints de TV et de TC. Nous nous sommes ainsi penchés sur leur recrutement, leur adhésion aux exercices du programme et leur capacité à compléter des questionnaires d'évaluation. Douze patients aux prises avec des TC ont été examinés. De ce nombre, huit d'entre eux (75 %) étaient aussi atteints de TV. Tous ces patients ont complété des tests de dépistage ainsi que des questionnaires, lesquels ont été remplis dans 100 % des cas. Au total, sept patients sur huit ont été recrutés, soit 87,5 %, tandis qu'un seul, ce qui représente un taux d'attrition de 85,7 %, s'est présenté lors d'un suivi. Même si les TV affectent les patients atteints de TC, un programme de réadaptation vestibulaire n'est pas réellement réalisable dans ce contexte, de sorte qu'un nouveau programme devrait être exploré.

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