- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04668963
Mirror Therapy in Older Adults Post-stroke
Effectiveness of Intensively Applied Mirror Therapy on Older Adults With Post-stroke Hemiplegia: a Preliminary Trial.
Objective: The present work was carried out to determine the effectiveness of neuromuscular stimulation triggered by mirror therapy in older patients with post-stroke hemiplegia by two different intervention protocols, either intensively or spaced over time.
Design: Prospective longitudinal study Setting: Two Spanish rehabilitation centres. Participants: forty four aging patients (>70 y) with diagnosed post-stroke hemiplegia were randomly distributed to intensive intervention group (5 times/week for 6 weeks), or to spaced intervention group (3 times/week for 10 weeks) which were underwent to similar number of mirror therapy sessions (n=30).
Main outcome measures: Muscle strength and activity was measured at baseline and at the end of treatment. Functional ability was also evaluated.
Study Overview
Detailed Description
INTRODUCTION:
Cerebral ischemia or intracranial haemorrhage are the main characteristics of cerebrovascular diseases like the stroke. The disruption of the functional neuronal integrity after a stroke can affect both motor and cognitive states. The most characteristic motor sequel of a stroke is hemiplegia, characterized by the loss of voluntary movement, muscle tone, and osteotendinous reflexes from the affected hemiparetic body.
Mirror therapy (MT) was born in the late 1990s and was initially used to treat "phantom limb" symptoms. More recently, the effectiveness of this therapy in motor rehabilitation on post-stroke hemiparetic limbs has been also described. Due to its low cost and simplicity, it has become one of the most widely used therapies. The purpose of the MT is to perform bilateral and synchronous movements with the non-paretic limb, creating an illusion of movement in the brain.
The effectiveness of MT on brain injury can be explained in three ways. First, mirror neurons can recognize an action and activate motor learning through imitation. Secondly, neurological damage from a stroke usually causes inflammation and oedema that interrupts the transmission of motor information. The illusion of movement created MT reawakens these motor pathways by reactivating them. Finally, after suffering a stroke, patients have a different degree of activity in their cerebral hemispheres, being much lower in the injured hemisphere. The performance of MT contributes to reducing this imbalance.
The MT is based on visual and somatosensory information that is processed in the central nervous system. The movements of the non-paretic limb reflected in the mirror create an illusion of normal movement of the affected limb. This neurophysiological phenomenon stimulates the same cortical areas that are active during movement observation (somatosensory cortex, premotor and primary motor cortex, supplementary motor area, cerebellum and basal ganglia). The mirror reflection leads to additional activation of the contralateral hemisphere to the perceived limb, producing an increase in the hemiparetic cortico-muscular excitability. However, despite its valuable role on patients with post-stroke hemiplegia, its effectiveness in older subjects has not been defined so clearly.
OBJECTIVE For all the above, the objective of the present study was to analyse the application and effectiveness of MT in older people (>70 years), and to compare the benefits between an intensively applied (5 times/week) MT protocol and a more spaced over time (3 times/week) procedure.
METHODOLOGY Design and participants will be explained elsewhere. Main outcome measures are muscle activity after intervention.
EXPECTED OUTCOMES We expect that all groups improved their muscle mobility and activity. Our data will confirm what intervention is more effective.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Juan José Hernández Morante, Ph.D.
- Phone Number: +34 968 278 808
- Email: jjhernandez@ucam.edu
Study Locations
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Murcia, Spain, 30107
- Recruiting
- Catholic University of Murcia
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Contact:
- Juan José Hernández Morante, PhD
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Sub-Investigator:
- Ana Belén Gámez Santiago, Ph.D.
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Sub-Investigator:
- Carlos Manuel Martínez Cáceres, Ph.D.
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Málaga, Spain, 29014
- Recruiting
- Hospital Sagrado Corazon Malaga
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Contact:
- Ana Belén Gámez Santiago, Ph.D.
- Phone Number: +34 677 25 52 88
- Email: abgsfisio@gmail.com
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria:
- Voluntary aging patients (70-85 years-old) with ischaemic stroke diagnosed by imaging (CT or MR)
- To be included into physiotherapy therapy between two and six weeks after the stroke (mean of 20 ± 2 days)
- Brain damage and a significant limitation of hand extension and foot dorsiflexion stroke-derived without spasticity (Ashworth scale 1 or 1+).
Exclusion Criteria:
- Patients with haemorrhagic stroke
- With a surface EMG signal <0.5 μV
- With previous neurologic comorbidity which comprise muscle strength
- Patients with medical treatment which may affect muscle strength
- Patients with pacemaker
- Those with severe psychiatric conditions like cognitive decline or dementia (beyond the aging-related degenerative progression).
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Double
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: INTENSIVE MIRROR THERAPY
The intensive therapy group participants received 5 Mirror Therapy (+physiotherapy) sessions /week for 6 weeks, which makes a total of 30 sessions.
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patients were seated on a chair, with the mirror positioned between the upper limbs perpendicular to the subject's midline and with the unaffected upper limb facing the reflective surface.
Following the physiotherapist indications, the patients observed the reflection of their unaffected limb while performing the following movements with the both arms, the affected one as good as possible: flexion and extension of the shoulder, elbow, wrist and finger, prone supination of the forearm.
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Active Comparator: SPACED OVER TIME MIRROR THERAPY
The conventional therapy group received the same number of sessions but more spaced in time, consisting in 3 Mirror Therapy (+physiotherapy) sessions/week for 10 weeks.
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patients were seated on a chair, with the mirror positioned between the upper limbs perpendicular to the subject's midline and with the unaffected upper limb facing the reflective surface.
Following the physiotherapist indications, the patients observed the reflection of their unaffected limb while performing the following movements with the both arms, the affected one as good as possible: flexion and extension of the shoulder, elbow, wrist and finger, prone supination of the forearm.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
MUSCLE ACTIVITY
Time Frame: 3 months
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The mean activity of the extensor and dorsiflexor muscles during all activity stages of each EMG session was analysed with a NEUROTRAC MYO-PLUS 2 (Verity Medical, UK), which was considered as an indicator of average muscle activity.
The calculation excluded the first second of each activity period to eliminate the deviation from the first contraction attempt.
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3 months
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Hand strength
Time Frame: 3 months
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The isometric strength (Nw) of the hand was assessed with a hand-held digital dynamometer (digital hand dynamometer, RMS Ltd., UK).
The measurement was performed three times consecutively, with a 2-3-minute interval between measurements.
Peak force values were recorded for each trial, and the median value was considered as the standard value, following the manufacturer's instructions.
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3 months
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Fugl-Meyer test
Time Frame: 3 months
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The Fugl-Meyer Assessment for the Upper Extremity (FMA-UE) was employed.
The patients with better physical performance demonstrated higher scores.
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3 months
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Barthel Index
Time Frame: 3 months
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The ability of the patients to perform basic daily living activities was determined through the Barthel index, which, in its Spanish translation, provided a Cronbach's alpha greater than 0.70
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3 months
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Collaborators and Investigators
Collaborators
Investigators
- Principal Investigator: Juan José Hernández Morante, Ph.D., Catholic University of Murcia
Publications and helpful links
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- MIRROR-T
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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