This trial is active, not recruiting.

Condition total knee arthroplasty
Sponsor University of British Columbia
Start date November 2011
End date August 2013
Trial size 515 participants
Trial identifier NCT01466920, H11-02117


The goal of this research is to fill the knowledge gap relating to why up to 20 percent of total knee arthroplasty (TKA) patients are dissatisfied with their clinical outcomes and to answer the research question: What are the drivers of variation in the patient experience with primary (ie. not revision) TKA?

United States No locations recruiting
Other countries No locations recruiting

Study Design

Observational model cohort
Time perspective prospective

Eligibility Criteria

Male or female participants at least 19 years old.

Inclusion Criteria: - Adults 19 and older - Primary or secondary diagnosis of osteoarthritis or inflammatory arthritis - Scheduled to undergo primary TKA - Living in British Columbia - Capable of providing informed consent Exclusion Criteria: - Not having been diagnosed with osteoarthritis - Inability to complete the study questionnaires - Adults undergoing arthroplasty revision surgery - Adults undergoing bilateral knee replacements - Adults undergoing unicompartmental knee replacements - Adults whose knee replacement is due to post-traumatic deformity Contacts and Locations

Additional Information

Official title Why Are so Many Patients Dissatisfied With Knee Replacement Surgery? Exploring Variations of the Patient Experience
Principal investigator Stirling Bryan, PhD
Description Purpose: Among patients with a diagnosis of osteoarthritis and who are undergoing total knee arthroplasty: 1. To identify variations in the patient experience with primary knee replacement surgery by measuring clinical outcomes, health status, and patient satisfaction; and 2. To explore the factors contributing to good/poor clinical and patient outcomes, such as surgical factors, health system factors, socioeconomic demographic factors and psychological factors.
Trial information was received from ClinicalTrials.gov and was last updated in April 2015.
Information provided to ClinicalTrials.gov by University of British Columbia.