Pilot Sensor Randomized Controlled Trial: Setting Expectations to Increase Satisfactory Outcomes After Total Knee Replacement (SensorRCT)

  • STATUS
    Recruiting
  • End date
    Jan 23, 2024
  • participants needed
    50
  • sponsor
    Lawson Health Research Institute
Updated on 23 March 2022

Summary

More than 70,000 total knee replacement procedures are performed annually in Canada, representing a growth of 17% over the past 5 years, with further increases anticipated due to an aging population. While total knee replacement offers improved quality of life for patients and is cost effective for the healthcare system, 20% of patients routinely report dissatisfaction with the procedure. Patient dissatisfaction has been strongly linked to unmet expectations of outcomes after the surgery, especially with respect to physical activity. Counselling patients on appropriate expectations has been suggested as a means to improve satisfaction. Recently, our group has developed a tool to predict the functional ability of an individual patient after total knee replacement. This tool employs machine learning to classify patients as more likely to maintain or improve function, based on a functional test performed in clinic while wearing a sensor system around each knee. Implementing this tool in clinic pre-operatively could assist in setting appropriate expectations for each patient. Our primary objective is to compare patient satisfaction scores at one year after total knee replacement in patients who were informed of their specific expected functional outcome compared to patients who were not informed of their predicted functional outcome. We hypothesize that patients who are given an informed expectation will have higher satisfaction scores. This in turn may decrease health system costs associated with additional clinic visits from dissatisfied patients.

Details
Condition Patient Satisfaction
Treatment Patient-Specific Prediction of Functional Outcome, Standard Pre-Operative Total Knee Arthroplasty Information
Clinical Study IdentifierNCT04775719
SponsorLawson Health Research Institute
Last Modified on23 March 2022

Eligibility

Yes No Not Sure

Inclusion Criteria

Patients with osteoarthritis scheduled to undergo primary total knee arthroplasty

Exclusion Criteria

prior knee surgery
inflammatory arthritis
neuromuscular disorder that impairs gait
scheduled for bilateral total knee arthroplasty
Cannot read, write, or speak English
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