Effect of functional electrical stimulation-based mirror therapy using gesture recognition biofeedback on upper extremity function in patients with chronic stroke: A randomized controlled trial

BACKGROUND

Mirror therapy (MT) is an intervention used for upper extremity rehabilitation in stroke patients and has been studied in various fields. Recently, effective MT methods have been introduced in combination with neuromuscular electrical stimulation or with electromyography (EMG)-triggered biofeedback. The purpose of this study was to investigate the effects of functional electrical stimulation (FES)-based MT incorporating a motion recognition biofeedback device on upper extremity motor recovery to chronic stroke patients.

METHODS

Twenty-six chronic stroke patients with onset of more than 6 months were randomly assigned into experimental group (n = 13) and control group (n = 13). Both groups participated in conventional rehabilitation program, while the control group received conventional MT intervention and the experimental group received FES-based MT with motion recognition biofeedback device. All interventions were conducted for 30 min/d, 5 d/wk, for 4 weeks. Upper limb motor recovery, upper limb function, active-range of motion (ROM), and activities of daily living independence were measured before and after the intervention and compared between the 2 groups.

RESULTS

The Fugl-Meyer assessment (FMA), manual function test (MFT), K-MBI, and active-ROM (excluding deviation) were significantly improved in both groups (P < .05). Only the experimental group showed significant improvement in upper extremity recovery, ulnar and radial deviation (P < .05). There was a significant difference of change in Brunstrom's recovery level, FMA, MFT, and active-ROM in the experimental group compared to the control group (P < .05).

CONCLUSION

FES-based MT using gesture recognition biofeedback is an effective intervention method for improving upper extremity motor recovery and function, active-ROM in patients with chronic stroke. This study suggests that incorporating gesture-recognition biofeedback into FES-based MT can provide additional benefits to patients with chronic stroke.

A RANDOMIZED CONTROLLED TRIAL ON THE EFFECTS OF OCCUPATIONAL THERAPY INTERVENTIONS USING PATIENT-CENTERED ROBOT-ASSISTED REHABILITATION FOR FUNCTIONAL IMPROVEMENT IN SUBACUTE STROKE PATIENTS

The objective of this research study was to investigate the effect of patient-centered robot-assisted intervention for upper limb function improvement in stroke patients.

Design: A double-blind randomized controlled trial.

Intervention: Subjectively preferred areas of need for performing daily activities were identified by pre-interviewing and applied as target goals in the experimental group using a robotic device. Control-1 underwent a program focused on the robot system involving movements of upper limb joints. Control-2 participated in a conventional rehabilitation program.

Methods: Forty-five participants engaged in 60 min of daily therapy, five times weekly for 3 weeks. The experimental group used the Canadian occupational performance measure (COPM) to identify subjectively preferred “patient-centered” focus needed areas to perform robotic device aided daily activities. Control-1 used a robot device-focused rehabilitation involving upper limb joint movements. Control-2 participated in conventional rehabilitation. Pre-post intervention measurements of hand, grip, power, and upper limb ROM were acquired by FMA-UE, MFT, and K-MBI.

Results: A significant increase of function in the experimental group was observed in each subclass of function and activities of daily living (ADL) performance. Control-1 showed an increase in function without ADL improvement. Control-2 showed an increase in ADL and proximal areas of upper limb function without an increase in other areas.

Conclusion: The “patient-centered” approach significantly improved upper limb function and ADL performance compared to “robot-centered” rehabilitation. Further studies are warranted to confirm these results and for generalizability in clinical application.

A RANDOMIZED CONTROLLED TRIAL ON THE EFFECTS OF OCCUPATIONAL THERAPY INTERVENTIONS USING PATIENT-CENTERED ROBOT-ASSISTED REHABILITATION FOR FUNCTIONAL IMPROVEMENT IN SUBACUTE STROKE PATIENTS

The objective of this research study was to investigate the effect of patient-centered robot-assisted intervention for upper limb function improvement in stroke patients.

Design: A double-blind randomized controlled trial.

Intervention: Subjectively preferred areas of need for performing daily activities were identified by pre-interviewing and applied as target goals in the experimental group using a robotic device. Control-1 underwent a program focused on the robot system involving movements of upper limb joints. Control-2 participated in a conventional rehabilitation program.

Methods: Forty-five participants engaged in 60 min of daily therapy, five times weekly for 3 weeks. The experimental group used the Canadian occupational performance measure (COPM) to identify subjectively preferred “patient-centered” focus needed areas to perform robotic device aided daily activities. Control-1 used a robot device-focused rehabilitation involving upper limb joint movements. Control-2 participated in conventional rehabilitation. Pre-post intervention measurements of hand, grip, power, and upper limb ROM were acquired by FMA-UE, MFT, and K-MBI.

Results: A significant increase of function in the experimental group was observed in each subclass of function and activities of daily living (ADL) performance. Control-1 showed an increase in function without ADL improvement. Control-2 showed an increase in ADL and proximal areas of upper limb function without an increase in other areas.

Conclusion: The “patient-centered” approach significantly improved upper limb function and ADL performance compared to “robot-centered” rehabilitation. Further studies are warranted to confirm these results and for generalizability in clinical application.

Electromechanical and robot-assisted arm training for improving activities of daily living, arm function, and arm muscle strength after stroke

BACKGROUND

Electromechanical and robot-assisted arm training devices are used in rehabilitation, and may help to improve arm function after stroke.

OBJECTIVES

To assess the effectiveness of electromechanical and robot-assisted arm training for improving activities of daily living, arm function, and arm muscle strength in people after stroke. We also assessed the acceptability and safety of the therapy.

SEARCH METHODS

We searched the Cochrane Stroke Group's Trials Register (last searched January 2018), the Cochrane Central Register of Controlled Trials (CENTRAL) (the Cochrane Library 2018, Issue 1), MEDLINE (1950 to January 2018), Embase (1980 to January 2018), CINAHL (1982 to January 2018), AMED (1985 to January 2018), SPORTDiscus (1949 to January 2018), PEDro (searched February 2018), Compendex (1972 to January 2018), and Inspec (1969 to January 2018). We also handsearched relevant conference proceedings, searched trials and research registers, checked reference lists, and contacted trialists, experts, and researchers in our field, as well as manufacturers of commercial devices.

SELECTION CRITERIA

Randomised controlled trials comparing electromechanical and robot-assisted arm training for recovery of arm function with other rehabilitation or placebo interventions, or no treatment, for people after stroke.

DATA COLLECTION AND ANALYSIS

Two review authors independently selected trials for inclusion, assessed trial quality and risk of bias, used the GRADE approach to assess the quality of the body of evidence, and extracted data. We contacted trialists for additional information. We analysed the results as standardised mean differences (SMDs) for continuous variables and risk differences (RDs) for dichotomous variables.

MAIN RESULTS

We included 45 trials (involving 1619 participants) in this update of our review. Electromechanical and robot-assisted arm training improved activities of daily living scores (SMD 0.31, 95% confidence interval (CI) 0.09 to 0.52, P = 0.0005; I² = 59%; 24 studies, 957 participants, high-quality evidence), arm function (SMD 0.32, 95% CI 0.18 to 0.46, P < 0.0001, I² = 36%, 41 studies, 1452 participants, high-quality evidence), and arm muscle strength (SMD 0.46, 95% CI 0.16 to 0.77, P = 0.003, I² = 76%, 23 studies, 826 participants, high-quality evidence). Electromechanical and robot-assisted arm training did not increase the risk of participant dropout (RD 0.00, 95% CI -0.02 to 0.02, P = 0.93, I² = 0%, 45 studies, 1619 participants, high-quality evidence), and adverse events were rare.

AUTHORS' CONCLUSIONS

People who receive electromechanical and robot-assisted arm training after stroke might improve their activities of daily living, arm function, and arm muscle strength. However, the results must be interpreted with caution although the quality of the evidence was high, because there were variations between the trials in: the intensity, duration, and amount of training; type of treatment; participant characteristics; and measurements used.