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Titre : | Determining Reliability of a Dual-Task Functional Mobility Protocol for Individuals With Lower Extremity Amputation (2018) |
Auteurs : | Susan W. Hunter ; Courtney Frengopoulos ; Jeff Holmes |
Type de document : | Article |
Dans : | Archives of Physical Medicine and Rehabilitation (Vol. 99, n° 4, 2018) |
Article en page(s) : | p. 707-712 |
Langues: | Anglais |
Descripteurs : |
HE Vinci Amputation ; Cognition ; Rééducation et réadaptation |
Mots-clés: | Amputation chirurgicale ; Walking ; Marche à pied |
Résumé : |
Objective To determine the relative and absolute reliability of a dual-task functional mobility assessment. Design Cross-sectional study. Setting Academic rehabilitation hospital. Participants Individuals (N=60) with lower extremity amputation attending an outpatient amputee clinic (mean age, 58.21+12.59y; 18, 80% male) who were stratified into 3 groups: (1) transtibial amputation of vascular etiology (n=20); (2) transtibial amputation of nonvascular etiology (n=20); and (3) transfemoral or bilateral amputation of any etiology (n=20). Interventions Not applicable. Main Outcome Measures Time to complete the L Test measured functional mobility under single- and dual-task conditions. The addition of a cognitive task (serial subtractions by 3's) created dual-task conditions. Single-task performance on the cognitive task was also reported. Intraclass correlation coefficients (ICCs) measured relative reliability; SEM and minimal detectable change with a 95% confidence interval (MDC95) measured absolute reliability. Bland-Altman plots measured agreement between assessments. Results Relative reliability results were excellent for all 3 groups. Values for the dual-task L Test for those with transtibial amputation of vascular etiology (n=20; mean age, 60.36+7.84y; 19, 90% men) were ICC=.98 (95% confidence interval [CI], .94.99), SEM=1.36 seconds, and MDC95=3.76 seconds; for those with transtibial amputation of nonvascular etiology (n=20; mean age, 55.85+14.08y; 17, 85% men), values were ICC=.93 (95% CI, .80.98), SEM=1.34 seconds, and MDC95=3.71 seconds; and for those with transfemoral or bilateral amputation (n=20; mean age, 58.21+14.88y; 13, 65% men), values were ICC=.998 (95% CI, .996.999), SEM=1.03 seconds, and MDC95=2.85 seconds. Bland-Altman plots indicated that assessments did not vary systematically for each group. Conclusions This dual-task assessment protocol achieved approved levels of relative reliability values for the 3 groups tested. This protocol may be used clinically or in research settings to assess the interaction between cognition and functional mobility in the population with lower extremity amputation. |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/journal/archives-of-physical-medicine-and-rehabilitation |