Comparison Between the Onlay and Inlay Techniques for Patellar Resurfacing in Posterior Cruciate Ligament-Substituting Total Knee Arthroplasty

Navamindradhiraj University

Status: Completed

Conditions: Onlay Patellar Resurfacing Technique; Patellar Resurfacing; Inlay Patellar Resurfacing Technique

Treatments: Procedure: Total knee with onlay patellar resurfacing technique; Procedure: Total knee with inlay patellar resurfacing technique

Study type: Interventional

Funder types: Other

Identifiers

NCT03650426

COA 017/2561

Details and patient eligibility

About

The purpose of this study is to compare clinical outcome in posterior cruciate ligament-substituting total knee arthroplasty with onlay patellar resurfacing technique and inlay patellar resurfacing technique

Enrollment: 235 patients

Sex: All

Volunteers: No Healthy Volunteers

Inclusion criteria

• Primary osteoarthritis of knee who were scheduled for a primary total knee arthroplasty

Exclusion criteria

• Valgus deformity
• History of inflammatory arthroplathy
• Previous fracture or open surgery on the same knee
• History of patellar instability

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Triple Blind

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235 participants in 2 patient groups

Onlay patellar resurfacing technique

Active Comparator group

Treatment:

Procedure: Total knee with onlay patellar resurfacing technique

Inlay patellar resurfacing technique

Experimental group

Treatment:

Procedure: Total knee with inlay patellar resurfacing technique