Comparison Of Outcomes After Knee Arthroplasty Using Posterior-Substituting Versus Cruciate-Retaining Prostheses

Study Overview
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Brief Summary
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Total knee replacement is used in the treatment of patients with knee arthritis, rheumatoid arthritis and other knee disorders. Today, there are basically two designs; It cuts the posterior cruciate ligament (PS) and protects the posterior cruciate ligament (CR). Although there is no clear study suggesting which design is better, research on this subject has increased recently. the investigators aim is to define the superiority of these two designs over each other. Preoperative and postoperative joint range of motion examinations were performed on both knees separately. WOMAC and OXFORD scores were examined separately for both knees.

Detailed Description
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Total knee arthroplasty is used to treat patients with osteoarthritis, rheumatoid arthritis, and other knee disorders. Today, there are basically two primary designs; posterior cruciate Substituting (PS) and protects the posterior cruciate -Retaining (CR). However, it is still controversial which approach is good, as both CR and PS have advantages and disadvantages. Proponents of the posterior cruciate retaining system argue that it provides natural stability, wider joint range of motion, better proprioception, and better knee kinematics. In addition, proponents of the posterior cruciate substituting system argue that it provides more harmonious articulation and a wider flexion range. As a result, although there is no clear study suggesting which design is better, research on this subject has increased recently. Our aim is to define the superiority of these two designs over each other. Patients with the same stage of knee osteoarthritis in both knees were selected. Total knee arthroplasty was performed in the same session by making the appropriate design for the appropriate knee simultaneously. Preoperative and postoperative joint range of motion examinations were performed on both knees separately. WOMAC and OXFORD scores were examined separately for both knees.

Official Title
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Comparison Of Outcomes After Bilateral Simultaneous Total Knee Arthroplasty Using Posterior-Substituting Versus Cruciate-Retaining Prostheses

Conditions
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Total Knee Arthroplasty

Intervention / Treatment
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* Procedure: posterior cruciate ligament-retaining prostheses
* Procedure: posterior cruciate ligament-substituting prostheses


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Patients with primary osteoarthritis of both knees Patients with secondary osteoarthritis of both knees Exclusion Criteria: Patients with primary osteoarthritis in both knees and undergoing unilateral knee prosthesis Patients with secondary osteoarthritis in both knees and who underwent unilateral knee prosthesis Patients with primary osteoarthritis in both knees and who underwent bilateral knee prosthesis in different sessions Patients with secondary osteoarthritis in both knees and who underwent bilateral knee prosthetics in different sessions.
Sexes Eligible for Study
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All

Accepts Healthy Volunteers
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No

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Non-Randomized
Intervention Model: Parallel Assignment
Interventional Model Description: Patients with the same stage of knee osteoarthritis in both knees were selected. Total knee arthroplasty was performed in the same session by making the appropriate design for the appropriate knee simultaneously. Preoperative and postoperative joint range of motion examinations were performed on both knees separately. WOMAC and OXFORD scores were examined separately for both knees.
Masking: None (Open Label)


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Active Comparator: A knee of a patient with osteoarthritis of both knees<br>Posterior cruciate ligament protective approach in patients with knee osteoarthritis | Procedure: posterior cruciate ligament-retaining prostheses<br>* Posterior cruciate ligament protective approach in patients with knee osteoarthritis<br>|
| Active Comparator: The other knee of a patient with osteoarthritis in both knees<br>Posterior cruciate ligament transection approach in patients with knee osteoarthritis | Procedure: posterior cruciate ligament-substituting prostheses<br>* Posterior cruciate ligament transection approach in patients with knee osteoarthritis<br>|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Range of motions | Preoperative and postoperative knee flexion and extension degrees of the patients were measured. | 3 year | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| WOMAC Score (Score from 0 to 100) | Preoperative and postoperative WOMAC score of the patients were examined. | 3 year | 
| OXFORD Knee Score(Score from 0 to 60) | Preoperative and postoperative OXFORD score of the patients were examined. | 3 year | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Knee, total knee arthroplasty, posterior cruciate ligament-substituting, posterior cruciate ligament-retaining