Comparison of fixed and mobile-bearing total knee arthroplasty in terms of patellofemoral pain and function: a prospective, randomised, controlled trial

BMC Musculoskeletal Disorders

Research Article

L. M. Jutten¹  P. J. Emans¹  J. J. Arts¹  P. Z. Feczko¹  P. Deckers²  M. J. van Steyn³ 

[1] Department of Orthopaedic Surgery, CAPHRI Research School, Maastricht University Medical Centre, P. Debyelaan 25, 6229 HX, Maastricht, the Netherlands;Department of Orthopaedic Surgery, Zuyderland Hospital, Heerlen, the Netherlands;Reynaert Private Hospital, Maastricht, the Netherlands;

关键词: Total knee arthroplasty;    Anterior knee pain;    Mobile bearing;    Fixed bearing;   

DOI  :  10.1186/s12891-017-1635-9

 received in 2016-10-16, accepted in 2017-06-19,  发布年份 2017

来源: Springer

【 摘 要 】

BackgroundDespite 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).MethodsIn 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.ResultsNo 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.ConclusionA mobile-bearing TKA does not decrease AKP compared to fixed bearings.Trial registration numberClinicalTrials.gov NCT02892838.Level of evidenceII

【 授权许可】

CC BY   
© The Author(s). 2017