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Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_5 | Pages 98 - 98
1 Apr 2018
Song S Park C Liang H Kang S Bae D
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Objective

The purpose of the present study was to compare the clinical and radiographic results after TKA using a patellofemoral design modified prosthesis and its predecessor. The other purpose was to investigate whether the use of the recent prosthesis increase the risk of posterior tibial cortex injury or patellar fracture.

Materials and Methods

The clinical and radiographic results of 300 knees which underwent TKA using the Attune®prosthesis (group A) were compared with those in a paired match-control group who underwent TKA using the P.F.C. Sigma® prosthesis (group B). The preoperative demographic data between the 2 groups did not differ significantly. The WOMAC, Feller and Kujala scores, and range of motion (ROM) were compared. The minimal distance between the tibial component stem to posterior tibial cortex, and the remnant patella thickness were compared.


Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_5 | Pages 97 - 97
1 Apr 2018
Song S Liang H Bae D Yoo M Kim K Park C
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Introduction

Although total knee arthroplasty (TKA) in end-stage hemophilic arthropathy can reduce the severe joint pain and improve the functional disability, it is technically demanding. In addition, it has generally reported a high rate of complication including periprosthetic joint infection (PJI) and component loosening up to 20%. Although the Knee Society classification system of TKA complication was introduced, the complications of TKA in hemophilic arthropathy has not stratified using this classification system in previous articles to the best of our knowledge.

The purpose of this study was to evaluate the mid-term outcomes and complications of TKA in hemophilic arthropathy.

Methods

The study retrospectively reviewed 131 consecutive primary TKAs (102 patients) in single institute. The mean patient age was 41.0 years and mean follow-up time was 6.4 years. The clinical and radiographic results were evaluated. The complications were categorized according to the classification system of the Knee Society for TKA complications.


Orthopaedic Proceedings
Vol. 100-B, Issue SUPP_5 | Pages 99 - 99
1 Apr 2018
Song S Park C Liang H Bae D
Full Access

Background

The knowledge about the common mode of failure and each period in primary and revision TKAs offers useful information to prevent those kinds of failure in each surgery. However, there has been limited report that simultaneously compared the mode of failure between primary and revision TKAs using single prosthesis.

We compared the survival rate, mode of failure, and periods of each mode of failure between primary and revision TKAs.

Methods

A consecutive cohort of 1606 knees (1174 patients) of primary TKA and 258 knees (224 patients) of revision TKA using P.F.C® prosthesis was retrospectively reviewed. The mean follow-up periods of primary and revision TKAs were 10.2 and 10.8 years, respectively. We compared the above variables between primary and revision TKAs.