Survivorship and functional outcomes of patellofemoral arthroplasty: a systematic review

List, Jelle P. van der; Chawla, Harshvardhan; Zuiderbaan, Hendrik A.; Pearle, Andrew D.

doi:10.1007/s00167-015-3878-z

Cited by 60 publications

(49 citation statements)

References 97 publications

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“…Independent t-tests were used to assess the learning curve of all surgeons by comparing revision rate in the first 30 cases to revision rate in the remaining cases. To our best knowledge, no statistical method can be used to assess differences in annual revision rate as stated by other studies [39,40,42,45]. All tests were two-sided and a p-value of <0.05 was used to determine statistical significance.…”

Section: Methodsmentioning

confidence: 99%

Survivorship and patient satisfaction of robotic-assisted medial unicompartmental knee arthroplasty at a minimum two-year follow-up

et al. 2017

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Section: Methodsmentioning

confidence: 99%

Survivorship and patient satisfaction of robotic-assisted medial unicompartmental knee arthroplasty at a minimum two-year follow-up

et al. 2017

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“…Furthermore, the results need to be put into perspective for the active patient: While 94% of the non-failing patients returned to an equal or higher level of sports after PFIA treatment, only 74% reported an improved subjective sporting ability. While the return to activity following UKA [14,20,30,33] and TKA [4,19,33,34] is well described, the literature on patellofemoral arthroplasty is mainly limited to outcome studies investigating implant survival, complications, and clinical scores [10,11,15,27]. Only one clinical study by Shubin-Stein et al assessed the return to activity following patellofemoral arthroplasty [24].…”

Section: Discussionmentioning

confidence: 99%

Reliable improvements in participation in low-impact sports following implantation of a patellofemoral inlay arthroplasty at mid-term follow-up

Pogorzelski

Rupp

Ketzer

et al. 2020

Knee Surg Sports Traumatol Arthrosc

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The aim of this study was, to investigate the rate of return to sports (RTS) and physical activity after implantation of PFIA and to identify factors predictive of improved postoperative sporting ability. Methods Sixty-two patients with a mean age of 46 ± 11 years, who underwent implantation of PFIA at the senior authors' institution, were enrolled. They were prospectively evaluated preoperatively and at a minimum of 2 years postoperatively with a mean follow-up of 60 ± 25 months. Clinical outcomes, return to sports and activity, type of sport or activity, subjective satisfaction, and frequency were evaluated by questionnaire. Results The transformed overall Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) score improved from 67 ± 16 to 77 ± 19 (p = 0.003), Tegner activity scale results improved from 3 ± 2 points to 4 ± 1 points (p < 0.001), and scores on the visual analog scale (VAS) pain scale decreased from 6 ± 2 points to 3 ± 2 points (p < 0.001). The sports frequency increased from 1 ± 2 sessions to 2 ± 1 sessions per week (p = 0.001). Ninety-four percent of the patients who did not fail could return to the same or higher level of sports, with 74% of the patients reporting an improved ability to perform sports. No preoperative factors could be detected to significantly influence RTS after surgery. Conclusions PFIA is a valid treatment option for the active patient with end-stage isolated patellofemoral OA. Reliable improvements in knee function, pain, and participation in low-impact sports were found. Level of evidence IV.

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“…All publications were investigated concerning "revision for any reason". To compare all included studies, which can differ in terms of included cases and investigated time periods, we calculated revisions per 100 observed component years (CY) which is widely accepted and has been applied repeatedly in the field of orthopaedics [9,11,[16][17][18]. Thereupon it is possible to compare different data sources regardless of their follow-up periods and number of UKAs.…”

Section: Outcome Measurementmentioning

confidence: 99%

Similar revision rates in clinical studies and arthroplasty registers and no bias for developer publications in unicompartmental knee arthroplasty

Hauer

Bernhardt

Hohenberger

et al. 2020

Arch Orthop Trauma Surg

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Purpose Our aim was to assess the outcome with respect to cumulative revision rates of unicompartmental knee arthroplasty (UKA) by comparing published literature and arthroplasty registry data. Our hypothesis was that there is a superior outcome of UKA described in dependent clinical studies compared to independent studies or arthroplasty registers. Methods A systematic review of all clinical studies on UKA in the past decade was conducted with the main endpoint revision rate. Revision rate was calculated as "revision per 100 component years (CY)". The respective data were analysed with regard to a potential difference of the percentage of performed revision surgeries as described in dependent and independent clinical studies. Clinical data were further compared to arthroplasty registers in a systematic search algorithm. Results In total, 48 study cohorts fulfilled our inclusion criteria and revealed 1.11 revisions per 100 CY. This corresponds to a revision rate of 11.1% after 10 years. No deviations with regard to revision rates for UKA among dependent and independent clinical literature were detected. Data from four arthroplasty registers showed lower survival rates after 10 years compared to published literature without being significant. Conclusions The outcomes of UKA in dependent and independent clinical studies do not differ significantly and are in line with arthroplasty register datasets. We cannot confirm biased results and the authors recommend the use of UKAs in properly selected patients by experts in their field.Publisher's Note Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

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Survivorship and functional outcomes of patellofemoral arthroplasty: a systematic review

Abstract: IV.

Cited by 60 publications

References 97 publications

Survivorship and patient satisfaction of robotic-assisted medial unicompartmental knee arthroplasty at a minimum two-year follow-up

Survivorship and patient satisfaction of robotic-assisted medial unicompartmental knee arthroplasty at a minimum two-year follow-up

Reliable improvements in participation in low-impact sports following implantation of a patellofemoral inlay arthroplasty at mid-term follow-up

Similar revision rates in clinical studies and arthroplasty registers and no bias for developer publications in unicompartmental knee arthroplasty

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