Sub-Vastus Versus Mid-Vastus Arthrotomy for Total Knee Arthroplasty: a Randomized Clinical Trial

Sub-Vastus Versus Mid-Vastus Arthrotomy for Total Knee Arthroplasty: a Randomized Clinical Trial With One Year Follow-up

Randomized, single-blind trial in which one group of patients will be operated with a "Mid-Vastus approach" of the knee joint and the other group will undergo knee surgery with a "Sub-Vastus approach".

Inclusion Criteria:

• patients diagnosed with osteoarthrosis of the knee
• patients must be in good general health condition

Exclusion Criteria:

• patients with morbid obesity (BMI >45)
• patients with history of knee surgery, infection or inflammatory disease of the knee joint or large cartilage lesion