Training Dual-Task Walking After Stroke

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

37 participants

Study Classification

INTERVENTIONAL

Study Start Date

2011-09-30

Study Completion Date

2017-11-15

Brief Summary

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Community ambulation is a highly complex skill requiring the ability to adapt to increased environmental complexity and perform multiple tasks simultaneously. Deficits in dual-tasking may severely compromise the ability to participate fully in community living. Unfortunately, current rehabilitation practice for stroke fails to adequately address dual-task limitations; individuals with stroke continue to exhibit clinically significant dual-task costs on gait at discharge. As a result, many stroke survivors are living in the community with residual deficits that may increase disability in the real world and lead to falls with devastating consequences. To address this issue, the proposed study investigates the efficacy of dual-task gait training on attention allocation and locomotor performance in community-dwelling stroke survivors. Because walking in the real world often requires time-critical tasks and obstacle avoidance, the investigators will test the impact of dual-task gait training on cognitive-motor interference during walking at preferred speed and at maximal speed (Aim 1), and on locomotor control during obstacle negotiation (Aim 2). The investigators will also evaluate the effects of the intervention on community reintegration and participation (Aim 3).

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Detailed Description

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Conditions

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Stroke

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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Dual-task gait training

Gait training with simultaneous performance of cognitive tasks for 75% of training session.

Group Type EXPERIMENTAL

Gait training

Intervention Type BEHAVIORAL

Twelve 30-minute sessions plus 10-minute stretching and warm up, provided 3 times per weeks for 4 weeks. Up to 6 weeks are allowed to complete the 12 sessions.

Single-task gait training

Gait training (without simultaneous cognitive task performance)

Group Type ACTIVE_COMPARATOR

Gait training

Intervention Type BEHAVIORAL

Twelve 30-minute sessions plus 10-minute stretching and warm up, provided 3 times per weeks for 4 weeks. Up to 6 weeks are allowed to complete the 12 sessions.

Interventions

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Gait training

Twelve 30-minute sessions plus 10-minute stretching and warm up, provided 3 times per weeks for 4 weeks. Up to 6 weeks are allowed to complete the 12 sessions.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Within 3 years of stroke onset
* Living in the community, operationally defined as living in one's own home, or the home of a friend, relative, or caregiver
* Walking speed 0.6-1.1 m/s determined during 10-meter walk test
* Walk without the assistance of another person
* Medically stable and approved for participation by study physician
* Intact global cognition indicated by score \> 23 on Montreal Cognitive Assessment
* Living in the community prior to stroke

Exclusion Criteria

* Pre-existing neurological disorders (e.g., Parkinson's disease, Multiple Sclerosis, dementia, traumatic brain injury)
* Previous stroke with residual motor deficit
* Uncontrolled hypertension
* Inability to follow 3-step command
* Primary uncontrolled hearing impairment
* Severe uncontrolled visual impairment
* Any speech-language impairment affecting ability to respond verbally to auditory stimuli
* Timed Up and Go test \> 15 seconds
* Lower extremity amputation
* Any orthopedic problem affecting gait
* Concurrent participation in another clinical trial

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No