A task-specific interactive game-based virtual reality rehabilitation system for patients with stroke: a usability...

Area of Science:

• Neurorehabilitation
• Human-Computer Interaction
• Clinical Trials

Background:

• Virtual reality (VR) is underutilized in clinical rehabilitation.
• Commercial VR systems may yield inconsistent outcomes for stroke patients.
• RehabMaster™ was developed as a specialized VR system for post-stroke upper extremity rehabilitation.

Purpose of the Study:

• To assess the usability and clinical efficacy of RehabMaster™.
• To determine if RehabMaster™ enhances upper extremity function in stroke patients.
• To evaluate the safety and feasibility of VR-based rehabilitation.

Main Methods:

• Participatory design and usability testing were used to develop RehabMaster™.
• An observational study involved 7 chronic stroke patients using RehabMaster™ for 2 weeks.
• A randomized controlled trial compared conventional occupational therapy (OT) with OT plus RehabMaster™ in 16 acute/subacute stroke patients.

Main Results:

• Usability testing indicated improved attention, immersion, and individualized intervention with RehabMaster™.
• The observational study showed significant improvements in Fugl-Meyer Assessment (FMA) (P = .03) and modified Barthel Index (MBI) (P = .04).
• The RCT suggested a trend towards enhanced FMA improvement (P = .07) with RehabMaster™ + OT, but no significant change in MBI.

Conclusions:

• RehabMaster™ is a feasible and safe VR system for stroke rehabilitation.
• The system demonstrates potential for improving upper extremity function post-stroke.
• VR-based rehabilitation offers a promising avenue for enhancing patient engagement and outcomes.