Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/89287
PIRA download icon_1.1View/Download Full Text
Title: Association of subsequent falls with evidence of dual-task interference while walking in community-dwelling individuals after stroke
Authors: Tsang, CSL 
Pang, MYC 
Issue Date: 1-Jul-2020
Source: Clinical rehabilitation, 1 July 2020, v. 34, no. 7, p. 971-980
Abstract: Objective: The aim of this study was to examine the fall predictive value of single-task walking tests and extent of interference observed in dual-task walking tests in ambulatory individuals post stroke.
Design: This is an observational study with prospective cohort.
Setting: The study was conducted at the university laboratory.
Participants: A total of 91 community-dwelling individuals with chronic stroke participated in the study.
Main outcome measures: Time required to complete a 10-m walk test with and without obstacle negotiation was measured in isolation and in conjunction with performance of a verbal fluency task (category naming). Fall incidence, circumstances, and related injuries were recorded by monthly telephone calls for 12 months.
Results: A total of 91 individuals (mean (SD) age = 62.7 (8.3) years; mean (SD) post-stroke duration = 8.8 (5.3) years) participated in the study; 29 (32%) of them reported at least one fall during the follow-up period, with a total of 71 fall episodes. There was a significant difference in obstacle-crossing time under single-task (mean difference = 8.3 seconds) and dual-task (mean difference = 7.4 seconds) conditions, and also the degree of interference in mobility performance (increased dual-task obstacle-crossing time relative to the single-task obstacle-crossing time; mean difference = 3.3%) between the fallers and the non-fallers (P < 0.05). After adjusting for the effects of other relevant factors, a greater degree of interference in mobility performance remained significantly associated with a decreased risk of falling (adjusted odds ratio = 0.951, 95% CI = 0.907–0.997, P = 0.037).
Conclusion: The degree of mobility interference during dual-task obstacle-crossing was the most effective in predicting falls among all the single-task and dual-task walking measure parameters tested. This simple dual-task walking assessment has potential clinical utility in identifying people post stroke at high risk of future falls.
Keywords: Cognition
Dual-task interference
Falls
Stroke
Walking
Publisher: SAGE Publications
Journal: Clinical rehabilitation 
ISSN: 0269-2155
EISSN: 1477-0873
DOI: 10.1177/0269215520923700
Rights: This is the accepted version of the publication Tsang, Charlotte Sau Lan, and Marco Yiu Chung Pang. “Association of Subsequent1 Falls with Evidence of Dual-Task Interference While Walking in Community-Dwelling Individuals after Stroke.” Clinical Rehabilitation, vol. 34, no. 7, July 2020, pp. 971–980. Copyright © 2020 (The Author(s)). DOI: 10.1177/0269215520923700
Appears in Collections:Journal/Magazine Article

Files in This Item:
File Description SizeFormat 
a0590-n45_DT fall_v4.pdfPre-Published version1.81 MBAdobe PDFView/Open
Open Access Information
Status open access
File Version Final Accepted Manuscript
Access
View full-text via PolyU eLinks SFX Query
Show full item record

Page views

69
Last Week
1
Last month
Citations as of Mar 24, 2024

Downloads

31
Citations as of Mar 24, 2024

SCOPUSTM   
Citations

14
Citations as of Mar 28, 2024

WEB OF SCIENCETM
Citations

11
Citations as of Mar 28, 2024

Google ScholarTM

Check

Altmetric


Items in DSpace are protected by copyright, with all rights reserved, unless otherwise indicated.