Kinematic- Versus Ligament-balanced Mechanical Alignment in TKA

  • STATUS
    Recruiting
  • participants needed
    100
  • sponsor
    Medical University of Graz
Updated on 5 August 2020
osteoarthritis
range of motion
arthritis
knee arthroplasty

Summary

A promising new approach in total knee arthroplasty (TKA) for severe osteoarthritis of the knee joint is the the kinematic aligned procedure (KA). This technique provides prosthesis-positioning based on natural and individual axes of movement.

Although first series have shown satisfying results, further verification by prospective studies and final meta-analyses will be required.

Thus, the kinematic alignment represents one of the few new developments in TKA.

Provided that patients are willing to participate in the study, patients data are collected preoperatively and during routine follow-up examinations and evaluated prospectively. Patients will receive either a conventionally mechanical aligned arthroplasty or a kinematical aligned TKA, according to a randomized procedure.

The kinematic alignment will be achieved by the use of custom-made cutting-blocks. Therefore, the patients will undergo a computed tomography of the whole leg on the affected side. This is mandatory in order to provide the individually produced cutting blocks.

In order to ensure comparability, patients are stratified regarding their age and gender before inclusion.

Outcome will be measured by the use of standard scoring systems regarding function, pain and ROM (range of motion) three, six and 12 months after surgery.

This study is a monocentric, prospective, randomized and controlled open study.

Details
Condition Osteo Arthritis Knee
Age 50years - 100years
Treatment Total knee arthroplasty
Clinical Study IdentifierNCT04436211
SponsorMedical University of Graz
Last Modified on5 August 2020

Eligibility

Yes No Not Sure

Inclusion Criteria

Severe osteoarthritis of the knee joint, intended for total knee arthroplasty

Exclusion Criteria

malalignment with varus of more than 5 or valgus malpositioning, joint instability
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