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Total Knee ArthroplastyNCT03132077

Analysis of Patient Outcome Questionnaire Following Primary Knee Replacement

An observational study of Total Knee Arthroplasty, run by University of Salford at 1 site in United Kingdom.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The intention is to explore whether there are factors which help us to understand why some patient outcomes are not successful and identify prediction factors for progression. It will also assess the available outcomes pre- and post-surgery may explore prediction tools for good/poor progression and improve the… Read more about this study

Who is it for?
Any age
Conditions the study is for
Total Knee Arthroplasty
What is being tested?
total knee arthroplasty
Type of treatment
Surgery or procedure
How many people
1,301 participants
Where
1 siteUnited Kingdom
Study dates
1 Nov 2017to 15 Mar 2020
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Study population: The inclusion of a minimum of 400 patient records-comprising both males and females-is planned, to achieve 80% power to detect associations between preoperative factors and post-TKA outcomes at the 5% level and a correlation coefficient of 0.2. This will explore the prediction factors that account for more than 4% of outcome variation, that less than oxford knee score clinically detectable changes (Cohen, 1988).

Who may be able to join

  • The present study is a retrospective randomised analysis of outcomes 1 years post-TKA.
  • All individuals have previously consented to give access to their data for research studies.
  • All patients' records prospectively gathered data spanning more than 3 years will be reviewed, if they were scheduled for primary unilateral TKA for end-stage knee osteoarthritis and were in a stable and controlled medical condition at Stepping Hill Hospital.
  • The records will be considered eligible if the following criteria are met:
  • At least one preoperative record no more than 6 months prior to the surgery, 1-year postoperative records available.
  • In regards to the questionnaires, (OKS, UCLA and EQ-5D), a maximum of one missing question for UCLA and two for OKS questionnaire.

Who cannot join

  • Potential research records were excluded from the study if;
  • The patient had more than acceptable missing datum for any outcome score.
  • The patient did not consent to the use of their records for research purposes.
  • No preoperative record or the postoperative records not available.

Trial locations and contacts

1 site in 1 country.

United Kingdom1 site
  • Stockport NHS Foundation Trust

    Stockport, Manchester, SK2 7JE

Other trials in United Kingdom

About this study

Official title: Retrospective Analysis of Patient Outcome Questionnaire Following Primary Knee Replacement

The intention is to explore whether there are factors which help us to understand why some patient outcomes are not successful and identify prediction factors for progression. It will also assess the available outcomes pre- and post-surgery may explore prediction tools for good/poor progression and improve the patient's selection, patient preparation or timing for surgery.

The focus of this project is exploring outcomes post-primary total knee arthroplasty (TKA) using the available pre/post-operative Oxford Knee Score (OKS), University of California Los Angeles (UCLA) Activity Score, EQ-5D General Health Questionnaire, Visual Analogue (VAS) for pain, age and smoking status data, and correlations between these data and post operation patient satisfaction.

Read the detailed description

Knee osteoarthritis (OA) is a major cause of disability around the world; it is the most common chronic condition in primary care in the UK. By 2030 it is predicted to be the greatest cause of disability in the general population. An effective end-stage treatment for knee OA is knee-replacement surgery.

In England and Wales, the number of knee-replacement procedures recorded by the National Joint Registry in 2013 was 91,703, which represents an increase of 0.9 % over 2012. The data analysis by the National Joint Registry and the Office of National Statistics suggests that, by 2030, primary TKAs will increase by 117% from the 2012 level. Subsequently, TKA revision surgeries are expected to increase incrementally by 332%.

Post-TKA, 75-85% of patients report satisfaction with surgery outcomes, while the remaining 15-25% are dissatisfied. Total knee arthroplasty's success has traditionally been evaluated from the surgeon's perspective, e.g. the presence of surgical complications or implant survival. This is gradually changing to involve the patient in measuring health outcomes and decision-making processes. Patient-reported outcome measures (PROMs) have evolved to explore patient perspectives by monitoring the quality of care in health organizations and conducting clinical trial outcomes. National Health Service used PROMs to measures health gain in patients undergoing hip replacement, knee replacement, varicose vein and groin hernia surgery in England, based on responses to questionnaires before and after surgery.

This retrospective cohort study will investigate outcomes 1 and 3 years post-TKA, and factors that may predict good/poor progression based on previously gathered data, which may minimize the effect of prospective data collection bias. The study will explore accurate prediction factors of post-TKA satisfaction at Stockport NHS Foundation Trust operates at Stepping Hill Hospital which is a busy District General Hospital, with a large orthopaedic department. Outcome following knee replacement surgery is closely monitored and matches the best performing units in the UK. Potentially, reliable outcome prediction could, however, improve patient selection for surgery, as appropriate timing for surgery depends on patient symptoms and efficient patient preparation for surgery if it is to be cost-effective. Accurate preoperative prediction is crucial to minimize the potential for unrealistic expectations which may improve their satisfaction.

Being tested
total knee arthroplasty

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • total knee arthroplastyProcedure or surgery

    Also called total knee replacement surgery

    surgical intervention for end stage of knee osteoarthritis

Study groups in NCT03132077
Study groupRoleWhat they receive
satisfaction post total knee arthroplastyThe focus of this project is exploring outcomes post-primary total knee arthroplasty (TKA) using the available pre/post-operative Oxford Knee Score (OKS), University of California Los Angeles (UCLA) Activity Score, EQ-5D General Health Questionnaire, Visual Analogue (VAS) for pain, age and smoking status data, and correlations between these data and post operation patient satisfaction.
Receives: Procedure: total knee arthroplasty

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Changes in Patient's Report Outcome Measures (Oxford knee score) before and after the surgery

    To explore factors which may help us understand why some patient outcomes are not successful and identify factors associated with poor satisfaction using Oxford knee score (OKS) as patients report outcome measures at Stepping Hill Hospital, Stockport

    Measured: 1-3 years post total knee arthroplasty

Secondary outcomes (3)
  1. Changes in Patient's Report Outcome Measures- University of California Los Angeles (UCLA) activity score- before and after the surgery

    To explore factors which may help us understand why some patient outcomes are not successful and identify factors associated with poor satisfaction using University of California Los Angeles (UCLA) activity score as patients report outcome measures at Stepping Hill Hospital, Stockport

    Measured: 1-3 years post total knee arthroplasty

  2. Changes in Patient's Report Outcome Measures -EQ-5D general health questionnaire - before and after the surgery

    To explore factors which may help us understand why some patient outcomes are not successful and identify factors associated with poor satisfaction using EQ-5D general health questionnaire as patients report outcome measures at Stepping Hill Hospital, Stockport

    Measured: 1-3 years post total knee arthroplasty

  3. Changes in Patient's Report Outcome Measures - visual analogue scales (VAS) - before and after the surgery

    To explore factors which may help us understand why some patient outcomes are not successful and identify factors associated with poor satisfaction using visual analogue scales (VAS) as patients report outcome measures at Stepping Hill Hospital, Stockport

    Measured: 1-3 years post total knee arthroplasty

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted27 Apr 2017
  2. Study start1 Nov 2017
  3. Primary completion30 Jan 2019
  4. Study completion15 Mar 2020

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Cohort
Time perspective
Retrospective
Enrolment
1,301 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03132077
Sponsor's protocol ID
usalford- retrospective
Status last verified
May 2020
First submitted
11 Apr 2017
Last updated
27 May 2020
Results posted
No
Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Publications

  • Bade MJ, Wolfe P, Zeni JA, Stevens-Lapsley JE, Snyder-Mackler L. Predicting poor physical performance after total knee arthroplasty. J Orthop Res. 2012 Nov;30(11):1805-10. doi: 10.1002/jor.22140. Epub 2012 Apr 26.

    PubMed 22539338
  • Brown K, Kachelman J, Topp R, Quesada PM, Nyland J, Malkani A, Swank AM. Predictors of functional task performance among patients scheduled for total knee arthroplasty. J Strength Cond Res. 2009 Mar;23(2):436-43. doi: 10.1519/JSC.0b013e318198fc13.

    PubMed 19197199
  • Carr AJ, Robertsson O, Graves S, Price AJ, Arden NK, Judge A, Beard DJ. Knee replacement. Lancet. 2012 Apr 7;379(9823):1331-40. doi: 10.1016/S0140-6736(11)60752-6. Epub 2012 Mar 6.

    PubMed 22398175
  • Cohen, J. (1988). Statistical Power Analysis for the Behavioral Sciences USA: LAWRENCE ERLBAUM ASSOCIATES.

  • Field, A. (2009). Discovering Statistics Using SPSS: SAGE Publications Ltd,.

  • Hossain FS, Konan S, Patel S, Rodriguez-Merchan EC, Haddad FS. The assessment of outcome after total knee arthroplasty: are we there yet? Bone Joint J. 2015 Jan;97-B(1):3-9. doi: 10.1302/0301-620X.97B1.34434.

    PubMed 25568406
  • Jagger, C., Matthews, R., Spiers, N., Brayne, C., Comas - Herrera, A., Robinson, T., . . . Croft, P. (2006). Compression or expansion of disability?: forecasting future disability levels under changing patterns of diseases: King's Fund.

  • Klit J, Jacobsen S, Rosenlund S, Sonne-Holm S, Troelsen A. Total knee arthroplasty in younger patients evaluated by alternative outcome measures. J Arthroplasty. 2014 May;29(5):912-7. doi: 10.1016/j.arth.2013.09.035. Epub 2013 Oct 1.

    PubMed 24269097
  • Lungu E, Desmeules F, Dionne CE, Belzile EL, Vendittoli PA. Prediction of poor outcomes six months following total knee arthroplasty in patients awaiting surgery. BMC Musculoskelet Disord. 2014 Sep 8;15:299. doi: 10.1186/1471-2474-15-299.

    PubMed 25201448
  • Noiseux NO, Callaghan JJ, Clark CR, Zimmerman MB, Sluka KA, Rakel BA. Preoperative predictors of pain following total knee arthroplasty. J Arthroplasty. 2014 Jul;29(7):1383-7. doi: 10.1016/j.arth.2014.01.034. Epub 2014 Feb 7.

    PubMed 24630598
  • Patel A, Pavlou G, Mujica-Mota RE, Toms AD. The epidemiology of revision total knee and hip arthroplasty in England and Wales: a comparative analysis with projections for the United States. A study using the National Joint Registry dataset. Bone Joint J. 2015 Aug;97-B(8):1076-81. doi: 10.1302/0301-620X.97B8.35170.

    PubMed 26224824
  • Portney, L., & Watkins, M. (2009). Foundations of Clinical Research: Applications to Practice. London: Pearson/Prentice Hall, 2009.

Questions about this trial

What is this clinical trial studying?

An observational study of Total Knee Arthroplasty, run by University of Salford at 1 site in United Kingdom.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 27 May 2020. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in United Kingdom. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Changes in Patient's Report Outcome Measures (Oxford knee score) before and after the surgery (time frame: 1-3 years post total knee arthroplasty). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03132077, which also lists 12 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 May 2020.

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