ArticleJournal of personalized medicine2023
Postoperative Activity and Knee Function of Patients after Total Knee Arthroplasty: A Sensor-Based Monitoring Study.
Article in Journal of personalized medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed, 19 citations in OpenAlex.
- Are Currently Available Joint-Specific Patient-Reported Outcome Measures Fit for Purpose to Assess the Outcome of Knee Arthroplasty?Journal of clinical medicine · 2025Article
- The metaverse in orthopaedics: Virtual, augmented and mixed reality for advancing surgical training, arthroscopy, arthroplasty and rehabilitation.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Review
- Sensor Technologies and Rehabilitation Strategies in Total Knee Arthroplasty: Current Landscape and Future Directions.Sensors (Basel, Switzerland) · 2025Review
- Do PROMs or Sensor-Based Monitoring Detect Improvements in Patients' Knee Function After Total-Knee Arthroplasty?-A Study Protocol for a Prospective Controlled Study.Sensors (Basel, Switzerland) · 2024Article
- Monitoring postures and motions of hospitalized patients using sensor technology: a scoping review.Annals of medicine · 2024Article
- Conception of a mobile health application targeting early postoperative physiotherapeutic care after total knee replacement, a qualitative study.Frontiers in surgery · 2024Article
Corrections and comments
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Authors and funding
7 authors at 3 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Inertial measurement units (IMUs) are increasingly being used to assess knee function. The aim of the study was to record patients' activity levels and to detect new parameters for knee function in the early postoperative phase after TKA. Twenty patients (n = 20) were prospectively enrolled. Two sensors were attached to the affected leg. The data were recorded from the first day after TKA until discharge. Algorithms were developed for detecting steps, range of motion, horizontal, sitting and standing postures, as well as physical therapy. The mean number of steps increased from day 1 to discharge from 117.4 (SD ± 110.5) to 858.7 (SD ± 320.1), respectively. Patients' percentage of immobilization during daytime (6 a.m. to 8 p.m.) was 91.2% on day one and still 69.9% on the last day. Patients received daily continuous passive motion therapy (CPM) for a mean of 36.4 min (SD ± 8.2). The mean angular velocity at day 1 was 12.2 degrees per second (SD ± 4.4) and increased to 28.7 (SD ± 16.4) at discharge. This study shows that IMUs monitor patients' activity postoperatively well, and a wide range of interindividual motion patterns was observed. These sensors may allow the adjustment of physical exercise programs according to the patient's individual needs.
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