Return to the Operating Room After Patellofemoral Arthroplasty Versus Total Knee Arthroplasty for Isolated Patellofemoral Arthritis-a Systematic Review

Overview

Journal Int Orthop

Specialty Orthopedics

Date 2019 Jan 9

PMID 30617612

Citations 3

Authors

Colin Y L Woon

Alexander B Christ

Rie Goto

Kate Shanaghan

Beth E Shubin Stein

Alejandro Gonzalez Della Valle

Affiliations

Soon will be listed here.

Abstract

Purpose: Patellofemoral arthroplasty (PFA) and total knee arthroplasty (TKA) are accepted treatments for end-stage isolated patellofemoral osteoarthritis (PFOA). However, complications and re-operations have historically differed between the two procedures. We performed a systematic review to report on the re-operation rates between TKA and modern PFA for isolated PFOA.

Methods: Systematically identified publications reporting on patients that underwent either TKA or modern PFA for isolated PFOA were reviewed. Meta-analysis software was used to screen potential articles with at least one year follow-up that detailed reasons for re-operation. Data was extracted and analyzed for all re-operations. Survival of the implant was used as the primary outcome; return to the operating room (OR) for any reason was used as a secondary outcome.

Results: The weighted rate of either conversion or revision arthroplasty in the PFA group and the TKA group was 6.34 and 0.11, respectively. The weighted rate of return to the OR for bony and soft tissue procedures was 1.06 and 0.79, respectively. The weighted rate of manipulation under anaesthesia (MUA) was 0.32 and 1.23, respectively.

Conclusion: Patients who undergo PFA may be more likely to return to the operating room for conversion to TKA and/or revision surgery than those who undergo TKA.

Citing Articles

A real-world study on the influence of unplanned reoperations on hospitalized patients using the diagnosis-related group.

Fan R, Chen Q, Gao S, Wang L, Mao S, Yan Z Ann Med. 2025; 57(1):2473633.

PMID: 40038862 PMC: 11884101. DOI: 10.1080/07853890.2025.2473633.

Midterm results of modern patellofemoral arthroplasty versus total knee arthroplasty for isolated patellofemoral arthritis: systematic review and meta-analysis of comparative studies.

Elbardesy H, McLeod A, Gul R, Harty J Arch Orthop Trauma Surg. 2021; 142(5):851-859.

PMID: 33825970 DOI: 10.1007/s00402-021-03882-4.

Preoperative patellofemoral anatomy affects failure rate after isolated patellofemoral inlay arthroplasty.

Feucht M, Lutz P, Ketzer C, Rupp M, Cotic M, Imhoff A Arch Orthop Trauma Surg. 2020; 140(12):2029-2039.

PMID: 33125548 PMC: 7674339. DOI: 10.1007/s00402-020-03651-9.

Pre-operative patella alta does not affect midterm clinical outcomes and survivorship of patellofemoral arthroplasty.

Bernard C, Pareek A, Sabbag C, Parkes C, Krych A, Cummings N Knee Surg Sports Traumatol Arthrosc. 2020; 29(5):1670-1677.

PMID: 32970202 DOI: 10.1007/s00167-020-06205-z.

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