The Effects of Body Weight Supported Treadmill Training On Balance In Stroke Patients

NCT ID: NCT02735148

Last Updated: 2017-03-03

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

45 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-11-30

Study Completion Date

2015-11-30

Brief Summary

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Stroke is one of the most common causes of acquired adult disability. The majority of stroke survivors have mobility difficulties such as poor standing, decreased walking speed, balance disturbances, and increased risk for falls. Improving mobility, functional walking and balance are the main goals of stroke rehabilitation. Robotic technologies are becoming more promising intervention for the locomotor training in stroke rehabilitation. Static or dynamic balance deficits act crucial role on gait performance among stroke survivors. Therefore it is important to determine the effects of BWSTT in improving balance in persons with stroke. Although it has been demonstrated that BWSTT improved balance and gait performance in stroke patients, it is not clear whether the improvements are greater compared with those associated with other gait rehabilitation methods. To the investigators knowledge, there are also limited studies in the literature concerning the effects of BWSTT on falling risk in stroke patients. The strong evidence is needed about the effectiveness of BWSTT including comprehensive determinants of balance with combined and isolated intervention groups.This study aims to compare the effects of BWSTT with combined and isolated intervention on balance, gait and fall risk in patients with subacute and chronic stroke. The investigators hypotheses are that after stroke:

1. the combination of BWSTT with conventional training may lead to more improved balance parameters;
2. when applied as an isolated intervention, BWSTT or conventional training may lead to similar results.

Detailed Description

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Participants:

All participants with stroke were recruited from a government rehabilitation hospital between November 2014 and November 2015. All treatments were performed in the same hospital.

Sample Size:

"Power and Sample Size Program" was used to calculate sample size. It was determined by considering a previous study which calculated minimal detectable change of Berg Balance Scale (BBS) for stroke patients(20). According to this study to the response within each subject group was normally distributed with standard deviation 7.87 and minimal detectable change was found 10% for BBS. It was calculated that 15 participants were needed in each group with probability (power) 0.8 and 0.016 alpha level computed by Bonferroni adjustment.

Procedure:

One hundred and seven stroke patient were assessed for eligibility by two physiatrists (B.E and B.G). Forty-two (13 women, range of age: 18-75 years) patients were found to be suitable for inclusion criteria of the study. Randomisation was performed by using randomisation function of Microsoft Office Excel programme by another researcher (ARO). Random number generator of Microsoft Office Excel Software gave a random number between 0 and 1 to the each treatment columns which were created by ARO. Sorting the random number row from the largest to the smallest number was performed by the sort and filter menu. Treatment assignments were stratified according to the severity of impairment at baseline and the study site to ensure balanced distribution among the three groups.After the randomisation,assessments at baseline and after training were performed by two physiotherapists who were blind to the interventions (IY, BEH). All the participants were treated in the rehabilitation hospital by a physiotherapist who was experienced in stroke rehabilitation. BWSTT Training was performed by RM.

Conditions

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Cerebrovascular Stroke Cerebral Stroke Cerebrovascular Accident

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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Conventional Training

Conventional training sessions generally consisted of exercises which aimed to improve range of motion, strength, and movement quality in upper and lower extremity as an in-patient rehabilitation protocol. Also developing static and dynamic postural control and increasing walking distance were the other aims of training. Duration of the Conventional Training is 45 minute per session, 3 days a week for 6 weeks.

Group Type NO_INTERVENTION

No interventions assigned to this group

Body Weight Supported Treadmill Training

Body weight supported treadmill training (BWSTT) was composed of outpatients who were undertaken only BWST training with 45-minute sessions, 2 days a week during 6 weeks.

BWST Training

Locomat (Hocoma) was used in BWSTT group with 20 % body weight reduced. The participants walked on device at 1.8 km/h (0.5 m/sec) velocity. For each participant body weight portion was ensured by a security belt while walking. Each session took 45 minutes including setup, commands and rest time. Verbal instructions were used for encouragement but no manual assistance was given to improve gait pattern.

Group Type EXPERIMENTAL

Body Weight Supported Treadmill Training

Intervention Type OTHER

There were three intervention arms in this study,

1. Body Weight Supported Treadmill Training,
2. Conventional Training and
3. Combined Training.

Combined Training

Combined Training consisted of inpatient participants who were treated with 45 minute-conventional training, 5 days a week during 6 weeks. Additionally this group had 45 minute-BWST training, 2 days a week during 6 weeks.

Group Type NO_INTERVENTION

No interventions assigned to this group

Interventions

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Body Weight Supported Treadmill Training

There were three intervention arms in this study,

1. Body Weight Supported Treadmill Training,
2. Conventional Training and
3. Combined Training.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* stroke onset at least 3 months before the study
* being 18-75 years old
* to be able to walk 10 meter independently or under supervision
* to be able to walk independently with or without ankle-foot-orthosis
* to be able to understand all instructions during treatment sessions

Exclusion Criteria

* previously having stroke
* having other health conditions which prevent walking
* having contracture or range of motion limitation in lower extremity which affect walking
* having uncontrolled hypertension
* severe cognitive impairment
Minimum Eligible Age

18 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Istanbul University

OTHER

Sponsor Role lead

Responsible Party

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RUSTEM MUSTAFAOGLU

MSc, PT

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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IPEK YELDAN, Assoc.prof

Role: STUDY_DIRECTOR

Istanbul University, Faculty of Health Science, Division of Physiotherapy and Rehabilitation

Locations

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Istanbul Physical Medicine and Rehabilitation Training Hospital

Istanbul, , Turkey (Türkiye)

Site Status

Istanbul University, Faculty of Health Science, Division of Physiotherapy and Rehabilitation

Istanbul, , Turkey (Türkiye)

Site Status

Countries

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Turkey (Türkiye)

References

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Other Identifiers

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A-23

Identifier Type: -

Identifier Source: org_study_id

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