Recovery in knee range of motion reaches a plateau by 12 months after total knee arthroplasty

Zhou, Zhihong; Yew, Khye Soon Andy; Earnest, Arul; Chin, Pak Lin; Tay, Kae Sian; Lo, Ngai Nung; Chia, Shi‐Lu; Yeo, Seng Jin

doi:10.1007/s00167-014-3212-1

Cited by 42 publications

(36 citation statements)

References 21 publications

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“…Fourthly, the correlation between the variability of the intraoperative values and postoperative extension angles was analyzed at the one-year follow-up, as further changes may occur with longer followup periods. Previous longitudinal studies have reported that the ROM and clinical outcomes reach a plateau with few clinically significant changes at the one-year follow-up; however, in future studies, longer follow-up periods should be considered [20,22]. Fifth, we described the effect of intraoperative extension gap on postoperative flexion contractures in detail.…”

Section: Discussionmentioning

confidence: 92%

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Capsular release around the intercondylar notch increases the extension gap in posterior-stabilized rotating-platform total knee arthroplasty

et al. 2016

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Section: Discussionmentioning

confidence: 92%

“…The range of motion (ROM) after total knee arthroplasty (TKA) plays an important role in postoperative knee function [17,18,22]. Flexion contractures after TKA are common and are caused by a response to pain and effusion [5].…”

Section: Introductionmentioning

confidence: 99%

Capsular release around the intercondylar notch increases the extension gap in posterior-stabilized rotating-platform total knee arthroplasty

et al. 2016

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“…One limitation of this study was that patients were only followed up for 24 months. Based on literature that functional scores would plateau after 12 months, 29 insignificant differences are expected with longer follow-ups. Nevertheless, the authors will continue monitoring the functional outcomes of the patients enrolled in this study for 10 years postoperatively.…”

Section: Discussionmentioning

confidence: 95%

No Difference in Functional Outcomes after Total Knee Arthroplasty with or without Pinless Navigation

et al. 2017

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This study aims to investigate the functional outcomes of pinless navigation (BrainLAB VectorVision Knee 2.5 navigation system; Munich, Germany) as an intraoperative alignment guide in total knee arthroplasty (TKA). A prospective, 24-month follow-up study of 100 patients who were scheduled and randomized into two groups, the pinless navigation and conventional surgery, was conducted. All TKAs were performed with the surgical aim of achieving neutral coronal alignment with the 180-degree mechanical axis. The outcomes measured in this study were Oxford Knee Score (OKS), Knee Society Score (KSS), Short Form-36 (SF-36), and range of motion (ROM). At 24-month postoperatively, four and two patients were lost to follow-up from the pinless navigation group and conventional group, respectively. There were no significant differences in absolute scores of the OKS, KSS, and ROM, as well as changes from preoperative baseline, between pinless navigation and conventional groups at both 6 and 24 months postoperatively. Pinless navigation results in comparable functional outcomes as conventional TKA at 6 and 24 months postoperatively.

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“…The conservative therapy included physiotherapy according to published protocol [10] employing drop and dangle technique [11]. Patients who remained symptomatic after six weeks of rehabilitation underwent repeat courses up to 12 months post op when improvement has been shown to reach a plateau [12].…”

Section: Inclusion/exclusion Criteriamentioning

confidence: 99%

Treating Anterior Knee Pain in the Post-Arthroplasty Patient by Isolated Patellar Resurfacing (IPR)

Yassin¹,

Garti²,

Weissbrot³

et al. 2016

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Patellar resurfacing during prosthetic replacement of the knee is associated with loosening and the need for secondary revision. In many cases the patella is left unreplaced during this procedure in order to decrease the revision risk. Some of these patients remain symptomatic after knee replacement. Secondary isolated resurfacing of the previously unresurfaced patella in total knee arthroplasty remains controversial. The aim of this retrospective study was to evaluate the outcome after isolated patellar resurfacing (IPR) as a second stage procedure. Methods. The study included 33 patients (22 females/11 males) who underwent resurfacing of the patella with a mean follow-up of 44.8 ± 12.2 months. The mean age of the patients was 70.3±15 (range 39-95) years at the time of operation. The average period between total knee arthroplasty and patellar resurfacing was 23.3 ± 15.2 months. The patient's subjective satisfaction was assessed according to the Knee Society Score (KSS) questionnaire. Results. The mean objective KSS improved significantly from 41.6 ± 9 to 64.9 ± 11 (P < .01). The mean functional KSS also improved significantly from 41.6 ± 8 to 60.5 ± 9 (P < .01). Two patients (6%) needed further operative revision. Multivariate analysis indicates that results are better in males and in nonobese patients. Conclusions. Although clinical scores showed significant improvement, some patients have pain and remain dissatisfied following IPR. IPR should be considered in patients who underwent prosthetic knee bicompartmental. Patellar resurfacing should be considered if there is no evidence of prosthetic components malalignment and at least 12 months have passed since the primary implantation.

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Recovery in knee range of motion reaches a plateau by 12 months after total knee arthroplasty

Abstract: Prospective case series, Level IV.

Cited by 42 publications

References 21 publications

Capsular release around the intercondylar notch increases the extension gap in posterior-stabilized rotating-platform total knee arthroplasty

Capsular release around the intercondylar notch increases the extension gap in posterior-stabilized rotating-platform total knee arthroplasty

No Difference in Functional Outcomes after Total Knee Arthroplasty with or without Pinless Navigation

Treating Anterior Knee Pain in the Post-Arthroplasty Patient by Isolated Patellar Resurfacing (IPR)

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