Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation
Case Reports
. 2023 Sep 18:23:101215.
doi: 10.1016/j.artd.2023.101215. eCollection 2023 Oct.

Conversion of Patellofemoral Arthroplasty to Robotic-Assisted Total Knee Arthroplasty

Andrew D Lachance  1 , Roman Steika  1 , Jeffrey Lutton  1 , David Austin  1
Affiliations
Case Reports

Conversion of Patellofemoral Arthroplasty to Robotic-Assisted Total Knee Arthroplasty

Andrew D Lachance et al. Arthroplast Today. .

Abstract

Conversion of patellofemoral arthroplasty to total knee arthroplasty (TKA) has been described as similar to primary TKA, although it may come with more challenges and worse outcomes. With the increased rate of revision following conversion TKA vs primary TKA, robotically assisted TKA provides an alternative technique to manual conversion. We present 3 cases of robot-assisted conversion of prior patellofemoral arthroplasty to TKA with good mechanical and clinical outcomes and no intraoperative complications.

Keywords: Patellofemoral; Revision; Robotic assisted; TKA.

PubMed Disclaimer

Figures

Figure 1
Figure 1
Case 1 preoperative (a) AP, (b) lateral, and (c) sunrise views of the left knee showing patellofemoral joint arthroplasty in place with no evidence of loosening.
Figure 2
Figure 2
Case 2 preoperative (a) AP, (b) lateral, and (c) sunrise views of the left knee showing patellofemoral joint arthroplasty in place with no evidence of loosening. Medial compartment joint space narrowing is evident.
Figure 3
Figure 3
Case 3 preoperative (a) AP, (b) right and (c) left lateral, and (d) sunrise views of the left knee showing patellofemoral joint arthroplasty in place with no evidence of loosening. Medial compartment joint space narrowing is evident.
Figure 4
Figure 4
Case 1 (a) preoperative and (b) intraoperative screenshots from the MAKO robot used in bone preparation and balancing.
Figure 5
Figure 5
(a) Case 1 and (b) case 2 intraoperative registration with the Mako robot.
Figure 6
Figure 6
Case 1 postoperative x-rays with (a) anterior to posterior, (b) lateral, and (c) sunrise views showing total knee arthroplasty in good alignment.
Figure 7
Figure 7
Case 2 postoperative x-rays with (a) AP and (b) lateral views showing total knee arthroplasty in good alignment.
Figure 8
Figure 8
Case 3 postoperative x-rays with (a and c) AP and (b and d) lateral views showing total knee arthroplasty in good alignment.
See this image and copyright information in PMC

Similar articles

See all similar articles

Cited by

References

    1. Kobayashi S., Pappas E., Fransen M., Refshauge K., Simic M. The prevalence of patellofemoral osteoarthritis: a systematic review and meta-analysis. Osteoarthritis Cartilage. 2016;24:1697–1707. - PubMed
    1. Lankhorst N.E., Damen J., Oei E.H., Verhaar J.A., Kloppenburg M., Bierma-Zeinstra S.M., et al. Incidence, prevalence, natural course and prognosis of patellofemoral osteoarthritis: the Cohort Hip and Cohort Knee study. Osteoarthritis Cartilage. 2017;25:647–653. - PubMed
    1. Tarassoli P., Punwar S., Khan W., Johnstone D. Patellofemoral arthroplasty: a systematic review of the literature. Open Orthop J. 2012;6:340–347. - PMC - PubMed
    1. Hofmann A., Shaeffer J., McCandless J., Magee T. Patellofemoral replacement: the third compartment. Bone Joint J. 2013;95(Supple_A):124–128. - PubMed
    1. Lewis P.L., Tudor F., Lorimer M., McKie J., Bohm E., Robertsson O., et al. Short-term revision risk of patellofemoral arthroplasty is high: an analysis from eight large arthroplasty registries. Clin Orthop Relat Res. 2020;478:1222. - PMC - PubMed

Publication types

LinkOut - more resources