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Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_5 | Pages 89 - 89
1 Apr 2018
Kim S Jung Y Park Y Chang G Lee H
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Purpose

The purpose of this study is to compare the mid-term outcomes between rotating platform(RP) and posterior cruciate substitute(PS) bearings in LCS-total knee arthroplasty (TKA).

Methods

This is a prospective randomized matched-pairs case–control study of patients who underwent primary TKAs with a minimum 2 years follow-up. The inclusion criteria was degenerative arthritis, and exclusion criteria was arthritis other than degeneration, previous operations such as osteotomy, body mass index (BMI) over 30 kg/m2. The matching criteria were set as age, BMI, preoperative ROM, gender, and the Knee Society (KS) and Hospital for Special Surgery (HSS) scores. After 1:1 matching, 50 cases involved the LCS RP bearing system as group 1 and 50 cases involved LCS PS bearing system group as group 2. Clinical and radiographic outcomes were evaluated.


Orthopaedic Proceedings
Vol. 99-B, Issue SUPP_4 | Pages 8 - 8
1 Feb 2017
Lee H Ham D Lee J Ryu H Chang G Kim S Park Y
Full Access

Introduction

The range of motion (ROM) obtained after total knee arthroplasty (TKA) is an important measurement to evaluate the postoperative outcomes impacting other measures such as postoperative function and satisfaction. Flexion contracture is a recognized complication of TKA, which reduces ROM or stability and is a source of morbidity for patients.

Objectives

The purpose of this study was to evaluate the influence of intra-operative soft tissue release on correction of flexion contracture in navigated TKA.