Comparison of Fixed and Mobile-bearing Total Knee Arthroplasty in Terms of Patellofemoral Pain and Function: a Prospective, Randomised, Controlled Trial

Overview

Journal BMC Musculoskelet Disord

Publisher Biomed Central

Specialties Orthopedics
Physiology

Date 2017 Jul 1

PMID 28662692

Citations 7

Authors

P Z Feczko

L M Jutten

M J van Steyn

P Deckers

P J Emans

J J Arts

Affiliations

Soon will be listed here.

Abstract

Background: Despite growing evidence in the literature, there is still a lack of consensus regarding the use of the mobile-bearing (MB) design total knee arthroplasty (TKA).

Methods: In a prospective, comparative, randomised, single centre trial, 106 patients with end-stage osteoarthritis of the knee were randomised to either an MB or fixed-bearing (FB) group to receive posterior stabilised (PS)-TKA using a standard medial parapatellar approach and patellar resurfacing with follow-up (FU) for 5 years. The primary outcome was anterior knee pain (AKP) during the chair rise test and the stair climb test 5 years after surgery. The secondary outcome was the ability to rise from a chair and to climb stairs, range of motion (ROM), Knee Society Score (KSS), RAND-36 scores and radiological analysis of the patellar tilt.

Results: No statistically significant difference was found between the two groups at 5 years FU in terms of median AKP during the chair rise test and the stair climb test (p = 0.5 and p = 0.8, respectively). There was no significant difference in any of the other secondary outcome parameters between the groups at 5 years FU.

Conclusion: A mobile-bearing TKA does not decrease AKP compared to fixed bearings.

Trial Registration Number: ClinicalTrials.gov NCT02892838 .

Level Of Evidence: II.

Citing Articles

Meta-analysis of factors influencing anterior knee pain after total knee arthroplasty.

Feng H, Feng M, Cheng J, Zhang X, Tao H World J Orthop. 2024; 15(2):180-191.

PMID: 38464355 PMC: 10921178. DOI: 10.5312/wjo.v15.i2.180.

No difference between mobile and fixed bearing in primary total knee arthroplasty: a meta-analysis.

Migliorini F, Maffulli N, Cuozzo F, Pilone M, Elsner K, Eschweiler J Knee Surg Sports Traumatol Arthrosc. 2022; 30(9):3138-3154.

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Fixed-bearing vs mobile-bearing prostheses for total knee arthroplasty after approximately 10 years of follow-up: a meta-analysis.

Hao D, Wang J J Orthop Surg Res. 2021; 16(1):437.

PMID: 34229702 PMC: 8259014. DOI: 10.1186/s13018-021-02560-w.

Mobile-bearing versus fixed-bearing total knee arthroplasty: a meta-analysis of randomized controlled trials.

Hantouly A, Ahmed A, Alzobi O, Toubasi A, Salameh M, Elmhiregh A Eur J Orthop Surg Traumatol. 2021; 32(3):481-495.

PMID: 34021791 PMC: 8924090. DOI: 10.1007/s00590-021-02999-x.

Association Between Femoral Component Sagittal Positioning and Anterior Knee Pain in Total Knee Arthroplasty: A 10-Year Case-Control Follow-up Study of a Cruciate-Retaining Single-Radius Design.

Scott C, Clement N, Yapp L, MacDonald D, Patton J, Burnett R J Bone Joint Surg Am. 2019; 101(17):1575-1585.

PMID: 31483401 PMC: 7406149. DOI: 10.2106/JBJS.18.01096.

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