Wednesday, 25 April 2012

Interactive virtual reality Wii in geriatric day hospital: A study to assess its feasibility, acceptability and efficacy.

Geriatrics & Gerontology International
2012 Apr 2

Chan TC, Chan F, Shea YF, Lin OY, Luk JK, Chan FH. Source Department of Medicine, Division of Geriatrics, Queen Mary Hospital, The University of Hong Kong, Department of Medicine and Geriatrics, Fung Yiu King Hospital, Hong Kong, China

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Aim:  Rehabilitation using interactive virtual reality Wii (Wii-IVR) was shown to be feasible in patients with different medical problems, but there was no study examining its use in a geriatric day hospital (GDH). The aim of the present study was to test the feasibility, acceptability and efficacy of Wii-IVR in GDH.

Methods:  It was a clinical trial with matched historic controls. Patients of a GDH were recruited to participate in Wii-IVR by playing "Wii Fit". Participants used a Wii controller to carry out movements involved in an arm ergometer. Each participant received eight sessions of Wii-IVR in addition to conventional GDH rehabilitation. Feasibility was assessed by the total time receiving Wii-IVR, the percentage of maximal heart rate reserve (%MHR) and Borg perceived exertion scale (BS) after participating in Wii-IVR. %MHR and BS were compared with those after carrying out an arm ergometer for the same duration. Acceptability was assessed by an interviewer-administered questionnaire. Efficacy was assessed by comparing improvements in Functional Independence Measure (FIM) between participants and matched historic controls, who received conventional GDH rehabilitations only.

Results:  A total of 30 patients completed the study. Participants completed a total of 1941 min of event-free Wii-IVR. The mean %MHR was 15.9% ± 9.9% and the mean BS was 7.9 ± 2.3. There was no significant difference in %MHR and BS between participating in Wii-IVR and arm ergometer. Most participants found Wii-IVR similar to the arm ergometer, and would like to continue Wii-IVR if they had Wii at home. Improvements in FIM of participants were significantly more than that of historic controls.

Conclusions:  Wii-IVR in GDH was feasible and most participants accepted it. Participants had more improvements in FIM.

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