The Comparison of Anterior Knee Pain in Patella With or Without Denervation in Medial Unicompartmental Knee Arthroplasty

Mahidol University

Status: Completed

Conditions: Osteoarthritis, Knee

Treatments: Procedure: patella denervation; Procedure: patella non-denervation

Study type: Interventional

Funder types: Other

Identifiers

NCT03676179

08/2561

Details and patient eligibility

About

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.

Full 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.

Enrollment: 66 patients

Sex: All

Ages: 40+ years old

Volunteers: No Healthy Volunteers

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

Trial design

Primary purpose: Treatment

Allocation: Non-Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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66 participants in 2 patient groups

unicompartment knee arthroplasty and patella denervation

Active Comparator group

Description:

UKA and patella denervation

Treatment:

Procedure: patella denervation

unicompartment knee arthroplasty and patella non-denervation

Experimental group

Description:

UKA and patella non-denervation

Treatment:

Procedure: patella non-denervation