Proximal Tibial Osteotomies: Indications, Techniques, and Outcomes.

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Abstract

[Indexed for MEDLINE] 15. J Am Acad Orthop Surg. 2022 Mar 15;30(6):273-280. doi: 10.5435/JAAOS-D-21-00353. Cemented Versus Noncemented Total Knee Arthroplasty Outcomes. Stavrakis A(1), Arshi A, Chiou D, Hsiue P, Horneff JG 3rd, Photopoulos C. Author information: (1)From the Department of Orthopaedic Surgery, University of California Los Angeles, Los Angeles, CA (Stavrakis, Arshi, Chiou, and Hsiue), the Department of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA (Horneff), the Department of Orthopaedic Surgery, Cedars-Sinai Kerlan-Jobe Institute, Los Angeles, CA (Photopoulos). INTRODUCTION: Aseptic loosening remains one of the most common indications for revision total knee arthroplasty (TKA). Given the demographic shift to a younger and more active TKA patient population, some surgeons have revisited noncemented fixation given its potential for lower rates of long-term aseptic loosening. The purpose of this study was to compare the demographics and complications between patients undergoing noncemented and cemented TKA. METHODS: Using the MKnee subset of the PearlDiver database, diagnosis and procedure codes were used to identify patients who had undergone cemented or noncemented TKA for osteoarthritis with a minimum 2-year follow-up. Propensity score matching was done to compare risk-adjusted medical and surgical complication profiles at 90 days, 1 year, and 2 years. RESULTS: Of 203,574 patients identified, 3.2% underwent noncemented TKA and 96.8% underwent cemented TKA. Using propensity-matched analysis, there was no difference in 90-day medical complications. Noncemented TKA was associated with a greater risk of periprosthetic joint infection throughout the study (90-day odds ratio [OR] 1.34, 1-year OR 1.27, 2-year OR 1.27, P < 0.05). Noncemented TKA was associated with a greater risk of periprosthetic fracture at 1 year and 2 years (1 year OR 2.19, 2 years OR 1.89, P < 0.05). No notable difference was observed in risk of aseptic loosening between the two groups. DISCUSSION: Noncemented TKA is associated with a higher rate of periprosthetic joint infection and periprosthetic fracture. Additional studies are needed to compare long-term rates of aseptic loosening between noncemented and cemented TKA. LEVEL OF EVIDENCE: Level III. Copyright © 2022 by the American Academy of Orthopaedic Surgeons. DOI: 10.5435/JAAOS-D-21-00353