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Knee Surgery, Sports Traumatology, Arthroscopy

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01-08-2016 | Knee

Higher forgotten joint score for fixed-bearing than for mobile-bearing total knee arthroplasty

Authors: E. Thienpont, D. Zorman

Published in: Knee Surgery, Sports Traumatology, Arthroscopy | Issue 8/2016

Abstract

Purpose

To compare the postoperative subjective outcome for fixed- and mobile-bearing total knee arthroplasty (TKA) by using the forgotten joint score (FJS-12), a new patient-reported outcome score of 12 questions evaluating the potential of a patient to forget about his operated joint. The hypothesis of this study was that a mobile-bearing TKA would have a higher level of forgotten joint than a fixed-bearing model of the same design.

Methods

A retrospective cohort study was conducted in 100 patients who underwent TKA at least 1 year [mean (SD) 18 (5) months] before with either a fixed-bearing (N = 50) or a mobile-bearing (N = 50) TKA from the same implant family. Clinical outcome was evaluated with the knee society score and patient-reported outcome with the forgotten joint score.

Results

No difference was observed for demographics in between both study groups. The mean (SD) postoperative FJS-12 for the fixed-bearing TKA was 71 (28) compared to a mean (SD) of 56.5 (30) for the mobile-bearing TKA.

Discussion

The clinical relevance of the present retrospective study is that it shows for the first time a significant difference between fixed- and mobile-bearing TKA by using a new patient-reported outcome score. The hypothesis that mobile-bearing TKA would have a higher degree of forgotten joint than a fixed-bearing TKA could not be confirmed. A level I prospective study should be set up to objectivise these findings.

Level of evidence

IV.

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Title: Higher forgotten joint score for fixed-bearing than for mobile-bearing total knee arthroplasty
Authors: E. Thienpont
D. Zorman
Publication date: 01-08-2016
Publisher: Springer Berlin Heidelberg
Published in: Knee Surgery, Sports Traumatology, Arthroscopy / Issue 8/2016
Print ISSN: 0942-2056
Electronic ISSN: 1433-7347
DOI: https://doi.org/10.1007/s00167-015-3663-z

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Higher forgotten joint score for fixed-bearing than for mobile-bearing total knee arthroplasty

Abstract

Purpose

Methods

Results

Discussion

Level of evidence

Keynote webinar | Spotlight on medication adherence

Springer Medicine

Abstract

Purpose

Methods

Results

Discussion

Level of evidence

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