To investigate the effect of virtual reality on arm motor impairment, activity limitation, participation restriction, and quality of life in patients with stroke. To determine potential moderators that affect the efficacy of virtual reality.
Data sources
CINAHL, Medline, PubMed, EMBASE, Cochrane Library, Chinese National Knowledge Infrastructure, and Wanfang Data from inception to October 23, 2021.
Review methods
Randomized controlled trials that investigated the effect of virtual reality on arm recovery in adult patients with stroke compared to conventional therapy or sham control were included. Physiotherapy Evidence Database Scale was used to assess the methodological quality of each study.
Results
Forty studies with 2018 participants were identified. Quality of included studies was fair to high. Virtual reality exhibited better effects on overall arm function (g = 0.28, p < 0.001), motor impairment (g = 0.36, p < 0.001) and activity limitation (daily living) (g = 0.24, p < 0.001) compared with the control group. No significant improvement was observed in participation restriction and activity limitation (specific task). The result for quality of life was described qualitatively. Subgroup analyses demonstrated that immersive virtual reality produced a greater beneficial effect (g = 0.60, p < 0.001). Patients with moderate to severe arm paresis could make more progress after training (g = 0.71, p < 0.001).
Conclusion
Virtual reality is recommended for improving motor impairment and activities of daily living after stroke and is favorable to patients with moderate to severe paresis. An immersive design could produce greater improvement.
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