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BMC Musculoskelet Disord. 2020 Feb 4;21(1):71. doi: 10.1186/s12891-020-3090-2.

RECOVER-E - a mobile app for patients undergoing total knee or hip replacement: study protocol.

Author information

1
Institute of Nursing Science and Practice, Paracelsus Medical University, Strubergasse 21, 5020, Salzburg, Austria. anja.stauber@pmu.ac.at.
2
Institute of Nursing Science and Practice, Paracelsus Medical University, Strubergasse 21, 5020, Salzburg, Austria.
3
Faculty of Health Sciences, Bielefeld University, Universitätsstraße 25, 33615, Bielefeld, Germany.

Abstract

BACKGROUND:

Total knee replacement (TKR) or total hip replacement (THR) are common and effective procedures in patients with osteoarthritis (OA) to restore physical function and reduce joint related pain. Patient education plays an important role in the treatment process aiming to develop necessary self-management skills to facilitate recovery and ensure long-term success. We have developed a mobile app (RECOVER-E) for iOS and Android smartphones which provides important information on the preoperative phase, surgery and recovery. The concomitant study will determine the efficacy of RECOVER-E on patients' surgical outcomes.

METHODS/DESIGN:

This study is a non-randomized, multi-centre (4 sites), double-arm, controlled trial with 1:1 assignment. 160 patients undergoing primary TKR or THR will be recruited from January until October 2019 in 4 German hospitals. Both groups will receive standard care. Additionally, the intervention group will use the app RECOVER-E. Measurements will be taken 4-6 weeks before surgery, on the day of admission to the hospital, on the first and 7th postoperative day and 3 months post-surgery. Primary outcome will be self-reported physical function measured on the activities of daily living (ADL) subscale of the Knee injury and Osteoarthritis Outcome Score (KOOS) and the Hip disability and Osteoarthritis Outcome Score (HOOS) for patients with knee and hip osteoarthritis, respectively. Secondary outcomes include the subscales for pain, symptoms, function in sport and recreation and knee/hip-related quality of life of the HOOS and KOOS, preoperative anxiety, measured by the Hospital Anxiety and Depression Scale (HADS), as well as, pain at rest and pain during activity measured by a numerical rating scale (NRS). Primary endpoint is 3 months post-surgery.

DISCUSSION:

Mobile Health (mHealth) has become increasingly important in patient-centred health care aiming to enhance patient involvement and self-management capabilities. To our knowledge this is the first study to investigate the effect of an evidence-based mobile app on patient reported outcomes after joint replacement. This study should provide evidence supporting the use of mHealth to facilitate recovery and open up new possibilities for patient care in joint replacement.

TRIAL REGISTRATION:

DRKS Data Management retrospectively registered.

DRKS-ID:

DRKS00012744.

KEYWORDS:

Education; Hip; Hip replacement; Joint replacement; Knee; Knee replacement; Osteoarthritis; THR; TKR; eHealth; mHealth

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