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Efficacy of Constraint-Induced Movement Therapy Versus Bimanual Intensive Training on Motor and Psychosocial Outcomes
Kai-Jie Liang1, Hao-Ling Chen2, Chen-Wei Huang3
1Kai-Jie Liang, PhD, is Postdoctoral Researcher, Department of Occupational Therapy and Graduate Institute of Behavioral Sciences, Chang Gung University, Taoyuan City, Taiwan. At the time this article was submitted, Liang was PhD Student, School of Occupational Therapy, College of Medicine, National Taiwan University, Taipei City, Taiwan.
Insights
Constraint-induced movement therapy (CIMT) and bimanual intensive training (BIT) improved motor skills in children with unilateral cerebral palsy (UCP). CIMT showed better long-term use of the affected hand, with similar psychosocial outcomes for both therapies.
Area of Science:
- Pediatric rehabilitation
- Neuroscience
- Occupational therapy
Background:
- Unilateral cerebral palsy (UCP) impacts motor function in children.
- Constraint-induced movement therapy (CIMT) and bimanual intensive training (BIT) are emerging therapies for UCP.
- Limited research exists on psychosocial outcomes and optimal intervention durations.
Purpose of the Study:
- To compare the efficacy of CIMT and BIT for motor and psychosocial outcomes in children with UCP.
- To evaluate the impact of a 36-hour intervention dosage for both therapies.
Main Methods:
- Randomized controlled trial involving 48 children (ages 6-12) with UCP.
- Intervention: 36 hours of either CIMT or BIT over 8 weeks.
- Outcomes: Assessed motor function, hand use, child engagement, and parental stress at multiple time points.
Main Results:
- Both CIMT and BIT led to significant motor improvements in children with UCP.
- CIMT demonstrated superior long-term gains in the frequency and quality of affected hand use.
- No significant differences were observed in child engagement or parental stress levels between the groups.
Conclusions:
- The 36-hour protocols for CIMT and BIT are clinically effective and feasible for children with UCP.
- CIMT's core principle of encouraging affected hand use may be more readily adopted by parents.
- Occupational therapists should consider both parent and child perspectives on engagement for comprehensive assessment.
Importance:
Emerging research has demonstrated that constraint-induced movement therapy (CIMT) and bimanual intensive training (BIT) show promising effectiveness for children with unilateral cerebral palsy (UCP). Considering that neurorehabilitative programs have always been designed with long training periods, psychosocial outcomes have received scarce attention and thus have not been investigated sufficiently.
Objective:
To compare the efficacy of CIMT and BIT with 36-hr interventional dosages for both motor and psychosocial outcomes.
Design:
Randomized trial.
Setting:
Community.
Participants:
Forty-eight children with UCP, ages 6 to 12 yr.
Intervention:
Both CIMT and BIT delivered via individual intervention for 2.25 hr/day, twice a week, for 8 wk.
Outcomes And Measures:
The Melbourne Assessment 2, Pediatric Motor Activity Log-Revised, Bruininks-Oseretsky Test of Motor Proficiency, ABILHAND-Kids measure, and Parenting Stress Index-Short Form were administrated at pretreatment, midterm, posttreatment, and 6 mo after intervention. An engagement questionnaire for investigating the child's engagement in the intervention was used to collect the perspectives of the children and the parents weekly.
Results:
Children with UCP who received either CIMT or BIT achieved similar motor improvements. The only difference was that CIMT yielded larger improvements in frequency and quality of use of the more affected hand at the 6-mo follow-up. Similar child engagement and parental stress levels were found in the two groups.
Conclusions And Relevance:
This study comprehensively compared the efficacy of motor and psychosocial outcomes for 36-hr dosages of CIMT and BIT. The promising findings support the clinical efficacy and feasibility of the proposed protocols. What This Article Adds: The core therapeutic principle of CIMT (i.e., remind the child to use the more affected hand) may be more easily duplicated by parents. Parents may have overestimated their child's engagement and given relatively higher scores; therefore, occupational therapists should also consider the opinions of the children themselves.
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