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

Not Applicable

Completed

• Conditions: Osteoarthritis, Knee
• Interventions: Procedure: patella denervation; Procedure: patella non-denervation

• Registration Number: NCT03676179
• Lead Sponsor: Ramathibodi Hospital

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.

Study Timeline

• Study Start: 2018-03-01
• Study First Submitted: 2018-09-16
• Study First Submitted QC: 2018-09-17
• Study First Posted: 2018-09-18
• Status Verified: 2019-03
• Last Update Submitted: 2019-03-31
• Primary Completion: 2019-04-01
• Study Completion: 2019-04-01
• Last Update Posted: 2019-04-02

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 66

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

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
unicompartment knee arthroplasty and patella denervation	patella denervation	UKA and patella denervation
unicompartment knee arthroplasty and patella non-denervation	patella non-denervation	UKA and patella non-denervation

Primary Outcome Measures

Name	Time	Method
Kujala score	6 months	Kujala score including 13 parameters with the score of 0-100, the higher the score the better the function.

Secondary Outcome Measures

Name	Time	Method
complication	6 months	number of participant with DVT, infections, loosening of implants, fractures, lateral compartment arthritis, and dislocations of the polyethylene

Trial Locations

Locations (1)

Pranungkraw General Hospital; 🇹🇭 Bangkok, Thailand