Short-to Mid-Term Survivorship of a Patient-specific Unicompartmental Knee Arthroplasty Implant Cast from a Three-Dimensional Printed Mold

Alexandre Barbieri Mestriner; Brielle Antonelli; Pierre-Emmanuel Schwab; Antonia F Chen; Todd Jones; Jakob Ackermann; Gergo Bela Merkely; Jeffrey K Lange

doi:10.1016/j.ocl.2022.12.001

Short-to Mid-Term Survivorship of a Patient-specific Unicompartmental Knee Arthroplasty Implant Cast from a Three-Dimensional Printed Mold

Orthop Clin North Am. 2023 Apr;54(2):193-199. doi: 10.1016/j.ocl.2022.12.001. Epub 2023 Jan 31.

Authors

Alexandre Barbieri Mestriner¹, Brielle Antonelli², Pierre-Emmanuel Schwab³, Antonia F Chen², Todd Jones², Jakob Ackermann⁴, Gergo Bela Merkely², Jeffrey K Lange⁵

Affiliations

¹ Department of Orthopedics and Traumatology, Federal University of Sao Paulo - Paulista, School of Medicine, Sao Paulo, Brazil.
² Department of Orthopedic Surgery, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, USA.
³ Tufts Medical Center, 800 Washington Street, Boston, MA, USA.
⁴ Department of Orthopedics, Balgrist University Hospital, University of Zurich, 8008 Zurich, Switzerland.
⁵ Department of Orthopedic Surgery, Brigham and Women's Hospital, Harvard Medical School, 75 Francis Street, Boston, MA, USA. Electronic address: jlange1@bwh.harvard.edu.

PMID: 36894291
DOI: 10.1016/j.ocl.2022.12.001

Abstract

The purpose of this study was to determine early survivorship and complication rates associated with the implantation of a new patient-specific unicompartmental knee implant cast from a three-dimensional (3D) printed mold, introduced in 2012. We retrospectively reviewed 92 consecutive patients who underwent unicompartmental knee arthroplasty (UKA) with a patient-specific implant cast from a 3D printed mold between September 2012 and October 2015. The early results of a patient-specific UKA implant were favorable in our cohort, with survivorship free from reoperation of 97% at an average 4.5 years follow-up. Future studies are necessary to investigate the long-term performance of this implant. Survivorship of a patient-specific unicompartmental knee arthroplasty implant cast from a 3D printed mold.

Keywords: 3D printed implant; Customized knee replacement; New technology; Unicompartmental knee replacement.

Publication types

Review

MeSH terms

Arthroplasty, Replacement, Knee* / adverse effects
Arthroplasty, Replacement, Knee* / methods
Humans
Knee Joint / surgery
Knee Prosthesis*
Osteoarthritis, Knee* / surgery
Reoperation
Retrospective Studies
Treatment Outcome