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Comparison of Oxford UKA and Sigma UKA With RSA.

Knee Osteoarthritis Clinical Trial

Official title:
Comparison of the Oxford Unicompartmental Knee Prosthesis With the Sigma High Performance Partial Knee Using Rontgen Stereophotogrammetric Analysis in Patients With Primary Medial Unicompartmental Knee Osteoarthritis.

Clinical Trial Summary

Comparison of two unicompartmental knee arthroplasties (UKA), to see if Sigma UKA performs equally good as the Oxford UKA. The study focuses on how well the arthroplasty is fixated to the bone and on the difference in wear of the plastic insert. Finally, the functional outcome after surgery is compared between the two arthroplasties.

Hypothesis:

H1: The Sigma UKA has an equal migration pattern compared to the Oxford UKA with a follow up of two years - that is, no significant difference in migration between 1-2 years follow-up.

H2: The Oxford and Sigma UKA's have comparable polyethylene wear with a follow up of 5 years.

H3: The Oxford and Sigma UKA's have comparable patient perceived outcome measures (PROM) and leg extension power (LEP) postoperative.

H4: BMD of the proximal tibia does not influence migration of the tibial component

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03434600
Study type Interventional
Source Regional Hospital Holstebro
Contact
Status Completed
Phase N/A
Start date January 2014
View Details
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