Abstract
BackgroundAs healthcare systems evolve, individuals are expected to be more involved in managing their health and rehabilitation. A wireless medical accelerometer (SENS motion®) has been developed to collect objective data on physical activity. The number of patients requiring knee replacement is rising, but the motivational effect of medical accelerometers in the rehabilitation after knee replacement remains unexplored. This study aims to employ a user-driven approach to tailor the SENS motion® technology for patients undergoing knee replacement prior to testing the refined technology in a randomised controlled trial. MethodsThe study used a Participatory Design research methodology, emphasising collaboration and user involvement. It was carried out in three sessions, each aimed at refining the SENS motion® system toward the needs of the patient group in focus. The first session involved six healthcare professionals who provided written feed-back. The second and third sessions included testing and subsequent interviews of patients (n = 10). After each session, conducted in iterative processes (plan, act, observe, reflect), SENS motion® system revisions were implemented according to the patient’s wishes. The data collected were then analysed using qualitative content analysis. ResultsPrior to patient testing, healthcare professionals identified functional and technical errors that required modifications. Patient interviews revealed that (1) there were positive attitudes towards the SENS motion® system, (2) patients were motivated by daily step counts and geographical locations, especially when they were familiar with landmarks, and (3) active involvement of family members was found to be feasible, which contributed to a sense of solidarity during the rehabilitation process. ConclusionThis study applied a user-driven approach to customise health technology for postoperative rehabilitation in knee replacement patients. Initially, the technology had both technical and functional problems, but system revisions based on patient feedback improved its acceptance. The refined technology is undergoing testing in a randomised design.
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