Osteoarthritis, Knee
Conditions
Brief summary
the present study will conduct to assess anterior knee pain and complications after medial UKA with or without patella denervation in medial compartment arthritis and severe lateral facet patellofemoral arthritis patients.
Detailed description
In this prospective cohort study, the investigators will conduct to compare the clinical result of 70 patients of unicompartment knee arthroplasty with and without patella denervation between April, 2018 and April, 2019 for the patients with osteoarthritis.
Interventions
patella denervation
patella non-denervation
Sponsors
Study design
Masking description
unicompartment knee arthroplasty without patella denervation
Intervention model description
unicompartment knee arthroplasty with patella denervation
Eligibility
Inclusion criteria
* Patients who diagnose with medial osteoarthritis (OA) of the knee with an Alhback score of 2, 3 and 4 (Ahlback 1968) and with any Kujala score for pre-operative anterior knee pain. * Older than 40 years of age. * pain on the medial joint line. * primary medial compartment osteoarthritis with a well preserved lateral compartment with competent cruciate ligaments with correctable intraarticular varus deformity. * ROM flexion up to 110° under anesthesia.
Exclusion criteria
* Patients with fixed varus deformity \> 15° * Inflammatory arthritis * Previous high tibial osteotomy or ACL reconstruction
Design outcomes
Primary
| Measure | Time frame | Description |
|---|---|---|
| Kujala score | 6 months | Kujala score including 13 parameters with the score of 0-100, the higher the score the better the function. |
Secondary
| Measure | Time frame | Description |
|---|---|---|
| complication | 6 months | number of participant with DVT, infections, loosening of implants, fractures, lateral compartment arthritis, and dislocations of the polyethylene |
Countries
Thailand