Candidates for Unicondylar Replacement - Scientific References

Reviewed by Greg Jaroszynski MD, FRCSC | Last updated May 2026

Patient Selection Criteria and Indications

Kozinn SC, Scott R. Unicondylar knee arthroplasty. J Bone Joint Surg Am. 1989;71(1):145-50.
Goodfellow J, O'Connor J, Dodd C, Murray D. Unicompartmental arthroplasty with the Oxford knee. Oxford University Press; 2006.
Riddle DL, Jiranek WA, McGlynn FJ. Yearly incidence of unicompartmental knee arthroplasty in the United States. J Arthroplasty. 2008;23(3):408-12. https://doi.org/10.1016/j.arth.2007.03.002
Berend KR, Lombardi AV Jr, Mallory TH, et al. Early failure of minimally invasive unicompartmental knee arthroplasty is associated with obesity. Clin Orthop Relat Res. 2008;466(1):206-11. https://doi.org/10.1007/s11999-007-0045-2

Liddle AD, Judge A, Pandit H, Murray DW. Adverse outcomes after total and unicompartmental knee arthroplasty in 101,330 matched patients: a study of data from the National Joint Registry for England and Wales. Lancet. 2014;384(9952):1437-45. https://doi.org/10.1016/S0140-6736(14)60729-3
Beard DJ, Davies LJ, Cook JA, et al. The clinical and cost-effectiveness of total versus unicompartmental knee arthroplasty in the treatment of osteoarthritis: a prospective, randomised controlled trial. Health Technol Assess. 2019;23(60):1-72. https://doi.org/10.3310/hta23600
Pennekamp PH, Smolle E, Liebensteiner MC, et al. Unicompartmental knee arthroplasty: A worldwide perspective on its current use. J Orthop. 2021;25:136-145. https://doi.org/10.1016/j.jor.2021.07.019
Lisowski LA, Meulink MG, Gelsing WJ, Pennekamp PH, Wimmer MD. Patient age influences the long-term survival of unicompartmental knee arthroplasty. Knee Surg Sports Traumatol Arthrosc. 2021;29(10):3267-3276. https://doi.org/10.1007/s00167-021-06520-z

Deschamps G, Lapeyre B. Rheumatoid arthritis of the knee. Clinical evaluation and indications for surgery. J Bone Joint Surg Am. 1987;69(9):1297-303.
Engh GA, Ammeen D. Is an intact anterior cruciate ligament needed in order to have a well-functioning unicondylar knee replacement? Clin Orthop Relat Res. 2004;428:170-3. https://doi.org/10.1097/01.blo.0000148904.12415.7b
Berend KR, Lombardi AV Jr, Mallory TH, et al. Early failure of minimally invasive unicompartmental knee arthroplasty is associated with obesity. Clin Orthop Relat Res. 2008;466(1):206-11. https://doi.org/10.1007/s11999-007-0045-2
Argenson JN, Parratte S, Bertani A, et al. Long-term results with a lateral unicondylar replacement. Clin Orthop Relat Res. 2008;466(1):268-74. https://doi.org/10.1007/s11999-007-0046-1

Matassi F, Biffoni F, Gaddini G, et al. Robot-assisted unicompartmental knee arthroplasty improves accuracy in component positioning and alignment: a prospective, randomized study. Arthroplast Today. 2021;11:119-128. https://doi.org/10.1016/j.artd.2021.07.004
Bell SW, Young P, Drury C, et al. Component rotational alignment in conventional and robot-assisted total knee arthroplasty. J Bone Joint Surg Am. 2017;99(7):630-638. https://doi.org/10.2106/JBJS.16.00246
Seon JK, Song EK, Park SJ, et al. The accuracy of MRI versus CT in the measurement of preoperative varus deformity for unicompartmental knee arthroplasty. Knee. 2011;18(6):425-9. https://doi.org/10.1016/j.knee.2010.08.002
Chauhan SK, Clark GW, Lloyd S, et al. Computer-assisted total knee replacement. A controlled cadaver study using a multi-parameter quantitative CT assessment of alignment (the Perth CT Protocol). J Bone Joint Surg Br. 2004;86(6):818-23. https://doi.org/10.1302/0301-620X.86B6.14645