Mirror Therapy Preceding Augmented Reality in Stroke Rehabilitation

Trial statusRecruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age20-80
SponsorNational Taiwan University Hospital

About this trial

This proposed research is in line with the National Health Research Institutes (NHRI) Innovative Research Grant priority to address innovative treatment strategies for neurological disorders that are in desperate need of scientific scrutiny. Stroke is one of the major medical conditions that leads to long-term disability and causes a heavy health care and financial burden. To meet multiple needs of patients with stroke, hybrid interventions that combine different approaches and practices in different settings are needed based on the complexity of stroke. Our previous research funded by the NHRI has been published and translated to stroke rehabilitation. Extending our previous research, the investigators will study the benefits of novel rehabilitation regimens of mirror therapy preceding augmented reality as well as the effects of practice setting (i.e., clinic- vs. home-based settings). In line with the current trend for the development of mirror therapy, mirror therapy will be implemented based on the bilateral and unilateral approach. Augmented reality will be implemented as a means of exergaming with real-time feedback to motivate the patients with stroke for active participation. In addition, telehealth techniques will be used to monitor home practice. This research is innovative in the use of telehealth techniques that will meet the call for therapy outside of the clinical settings in the era of COVID-19 pandemic.

Eligibility criteria

This trial does not accept healthy volunteers

Qualifiers

a first-ever unilateral stroke ≥3 months

age between 20 and 80 years

baseline FMA-UE >10

no severe spasticity in any joints of the affected arm MAS < 3)

Disqualifiers

acute inflammation

serious medical problems or poor physical conditions that might be detrimental to study participation

Trial design

Design model

Parallel

Treatments tested in this trial

  • mirror therapy

    Other intervention

    The mirror therapy (MT) will be done with participants seated at a table. The affected upper-extremity (UE) will be placed behind the mirror and the unaffected UE in front of the mirror. Participants will be asked to do the same movements using both the unaffected and affected UE as possible. Each participant will practice two different MT protocols: unilateral mirror therapy (UMT) and bilateral mirror therapy (BMT). During UMT, the affected hand is static, while during BMT, the affected hand moves in an attempt to duplicate the unaffected hand as best as possible. The MT activities include gross motor movements, fine motor movements, and object manipulation.

  • augmented reality (AR)

    Other intervention

    The training program provides goal-directed exercises designed to be adjustable in order to match the patient's ability to minimize compensatory movements. To ensure safety, the investigators will place a handrail in front of the participant for support. The goal-directed exercise includes balance training (i.e., weight shifting, standing on one leg), activities of daily living training (i.e., reaching), and cognitive enhancement (i.e., memory training). By using the AR system, participants can observe the real performance of motions and interaction between the body and the virtual environment.

  • control therapy

    Other intervention

    The control intervention will include practice of upper limb activities, balance activities, activities of daily living, and cognitive enhancement tasks. The protocols of the conventional therapy will be formulated by using occupational therapy techniques, such as neurodevelopmental techniques and functional task training. The therapy will be adapted to the participants' levels of motor deficits and their prioritized goals. The protocol will include affected arm exercise or gross motor training, muscle strengthening of the affected arm, fine motor or dexterity training, and functional tasks of daily life or compensatory techniques to alleviate functional deficits. The therapist will work with the participant to select functionally relevant tasks, such as picking up items from a box, lifting soft drink bottles, hanging clothes, and so on.

Treatment groups

50 Participants
are divided into 3 treatment groups
Group A: clinic-setting MT preceding AR-first groupExperimental treatment 2 interventions
Group B: home-based MT preceding AR-first groupActive comparator 2 interventions
Group C: conventional therapy in the clinical settingActive comparator 1 intervention

Trial outcomes

Primary outcomes

1

Change from Baseline Fugl-Meyer Assessment (FMA) at 3 weeks, 6 weeks, 9 weeks, and 21 weeks.

The upper-extremity subscale of the FMA will be used for the assessment of motor impairment. Movements and reflexes of the shoulder/elbow/forearm, wrist, hand, and coordination/speed are scored. Each score is on an ordinal scale of 3 points (0 = cannot perform, 1 = performs partially, 2 = performs fully). The highest score is 66, which indicates optimum recovery. The subscale score of a proximal shoulder/elbow (FMA s/e: 0-42) and a distal hand/wrist (FMA h/w: 0-24) will be calculated to study the effects of treatment on separate elements of the upper extremities. The FMA has good reliability, validity, and responsiveness in stroke.

Time frame
Baseline, 3 weeks, 6 weeks, 9 weeks, and 21 weeks
2

Change from Baseline Berg Balance Scale (BBS) at 3 weeks, 6 weeks, 9 weeks, and 21 weeks.

The BBS is identified as one of the most widely used evaluation tools of balance across the continuum from acute clinic-based to community-based care. There are 14 items assessing the patient's ability to maintain balance, either statically or with a variety of functional movements, over a given time period. Each score is on a 5-point ordinal scale (0 = inability to complete the task, 4 = independent item completion). The maximum score is 56, representing good balance. The BBS is a reliable and valid tool in assessing balance and functional mobility for stroke.

Time frame
Baseline, 3 weeks, 6 weeks, 9 weeks, and 21 weeks

Secondary outcomes

1

Revised Nottingham Sensory Assessment (rNSA)

The rNSA will be used to assess changes of sensation. Various sensory assessments will be used to evaluate the tactile sensation, proprioception, and stereognosis of the various body segments. The rNSA rating is based on an ordinal scale of 3 points (0-2), with a lower score indicating more sensory impairment. Its psychometric properties have been determined for stroke.

Time frame
1,3,6,9,21 weeks
2

Chedoke Arm and Hand Activity Inventory (CAHAI)

The CAHAI evaluates the functional ability of the affected arm and hand to perform tasks after stroke. The 13 items contained in the CAHAI represent bimanual meaningful everyday activities and are made up a variety of the upper-extremity characteristics, including strength, dexterity, coordination, and grasp. The 7-point activity scale is used in the CAHAI, where 1 indicates "performing less than 25% of the effort to complete the task" and 7 indicates "the participants' affected upper extremity is able to complete the task competently independently." The reliability and validity of the CAHAI have been ascertained in stroke.

Time frame
1,3,6,9,21 weeks
3

Motor Activity Log (MAL)

The MAL is a self-reported semistructured interview that rates the frequency of use (MAL-amount of use \[AOU\]) and quality (MAL-quality of movement \[QOM\]) of the affected upper extremity. It consists of 30 functional tasks in real life, such as turning on a light with a light switch, opening a refrigerator, or washing hands. The scale ranges from 0 to 5 (0 = did not use the affected arm, 1 = occasionally used the affected arm but only very rarely/the affected arm was moved during that activity but was not helpful, 5 = used the affected arm as often as before the stroke/the ability to use the affected arm for that activity was as good as before the stroke). Its reliability and validity have been confirmed in stroke.

Time frame
1,3,6,9,21 weeks
4

modified Rankin scale

The individual with a stroke can use the modified Rankin Scale (MRS) as a single-item global outcomes rating scale to categorize functional independence based on pre-stroke activities.

Time frame
1,3,6,9,21 weeks

Other outcomes

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