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Virtual reality in the rehabilitation of the arm after hemiplegic stroke: a randomized controlled pilot study [with consumer summary]
Crosbie JH, Lennon S, McGoldrick MC, McNeill MDJ, McDonough SM
Clinical Rehabilitation 2012 Sep;26(9):798-806
clinical trial
8/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: Yes; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; Adequate follow-up: Yes; Intention-to-treat analysis: Yes; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

OBJECTIVE: To assess the feasibility of a trial to investigate the effectiveness of virtual reality-mediated therapy compared to conventional physiotherapy in the motor rehabilitation of the arm following stroke, and to provide data for a power analysis to determine numbers for a future main trial. DESIGN: Pilot randomized controlled trial. SETTING: Clinical research facility. PARTICIPANTS: Eighteen people with a first stroke, 10 males and 8 females, 7 right and 2 left side most affected. Mean time since stroke 10.8 months. INTERVENTIONS: Participants were randomized to a virtual reality group or a conventional arm therapy group for nine sessions over three weeks. MAIN MEASURES: The upper limb Motricity Index and the Action Research Arm Test were completed at baseline, post intervention and six weeks follow-up. RESULTS: Outcome data were obtained from 95% of participants at the end of treatment and at follow-up: one participant withdrew. Compliance was high; only two people reported side-effects from virtual reality exposure. Both groups demonstrated small (7 to 8 points on upper limb Motricity Index and 4 points on the Action Research Arm Test), but non-significant, changes to their arm impairment and activity levels. CONCLUSION: A randomized controlled trial of virtual reality-mediated therapy comparable to conventional therapy would be feasible, with some suggested improvements in recruitment and outcome measures. Seventy-eight participants (39 per group) would be required for a main trial.

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