Comparative Study Between Patellar Denervation and Non-patellar Denervation in Total Knee Arthroplasty With Patellar Resurfacing

Navamindradhiraj University241 enrolled

Overview

The purpose of this study is to compare the post-operative anterior knee pain (AKP) between patellar denervation and non-patellar denervation in total knee arthroplasty with patellar resurfacing

Study Type

INTERVENTIONAL

Allocation

RANDOMIZED

Purpose

TREATMENT

Masking

TRIPLE

Enrollment

241

Conditions

Patellar Denervation Non-patellar Denervation Patellar Resurfacing

Interventions

Total knee arthroplastyPROCEDURE

A surgical procedure in which parts of the knee joint are replaced with artificial parts (prostheses)

Patellar denervationPROCEDURE

circumpatellar electrocautery with monopolar coagulation diathermy

Eligibility

Sex: ALL

Medical Language ↔ Plain English

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

Locations (1)

Navamindradhiraj University

Dusit, Bangkok, Thailand

Outcomes

Primary Outcomes

Change of post-operative anterior knee pain

Visual Analog Scale for anterior knee pain (minimum 0, maximum 10) Do higher values represent a worse outcome

Time frame: Change from baseline Visual Analog Scale for anterior knee pain at 3 months, 6 months, and 12 months after surgery

Secondary Outcomes

range of motion of knee

degree of motion of the knee after surgery

Time frame: Change from baseline range of motion of knee at 3 months, 6 months, and 12 months after surgery

Knee Society and Knee Society function score

Knee Society and Knee Society function score (minimum 0, maximum 200)

Time frame: Change from baseline Knee Society and Knee Society function score at 3 months, 6 months, and 12 months after surgery

New patellar score (Bartlett score)

New patellar score or Bartlett score (minimum 0, maximum 30)

Time frame: Change from baseline new patellar score at 3 months, 6 months, and 12 months after surgery

Oxford knee score

Oxford knee score (minimum 0, maximum 48)

Time frame: Change from baseline Oxford knee score 3 months, 6 months, and 12 months after surgery

patellar shift index

The estimation of patellar position relative to the trochear

Time frame: Change from baseline 3 months, 6 months, and 12 months after surgery

prevalence of anterior knee pain

Percent of anterior knee pain

Time frame: Change from baseline prevalence of anterior knee pain at 3 months, 6 months, and 12 months after surgery

Data from ClinicalTrials.gov

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