PMID- 35367335 OWN - NLM STAT- MEDLINE DCOM- 20220803 LR - 20220804 IS - 1532-8406 (Electronic) IS - 0883-5403 (Linking) VI - 37 IP - 8 DP - 2022 Aug TI - Navigated and Robot-Assisted Technology in Total Knee Arthroplasty: Do Outcome Differences Achieve Minimal Clinically Important Difference? PG - 1562-1569 LID - S0883-5403(22)00377-1 [pii] LID - 10.1016/j.arth.2022.03.075 [doi] AB - BACKGROUND: In total knee arthroplasty (TKA), computer-assisted navigation (N-TKA) and robotic-assisted methods (RA-TKA) are intended to increase precision of mechanical and component alignment. However, the clinical significance of published patient-reported outcome measure (PROM) differences in comparison to conventional TKA (C-TKA) is unknown. METHODS: A systematic review was performed to identify all studies reporting perioperative PROMs for either primary N-TKA or RA-TKA with a C-TKA comparison cohort with a minimum 1-year follow-up. Relative improvements in PROMs for the two cohorts were compared to published minimal clinically important difference (MCID) values. RESULTS: After systematic review, 21 studies (N = 3,214) reporting on N-TKA and eight studies (N = 1,529) reporting on RA-TKA met inclusion criteria. Eighteen of 20 studies (90%) reported improved radiographic outcomes with N-TKA relative to C-TKA; five of five studies reported improved radiographic outcomes with RA-TKA relative to C-TKA. Five of 21 studies (24%) reported statistically significant greater improvements in clinical PROMs for N-TKA relative to C-TKA, whereas only two (10%) achieved clinical significance relative to MCID on a secondary analysis. One of 8 studies (13%) reported statistically significant greater improvements in PROMs for RA-TKA relative to C-TKA, whereas none achieved clinical significance relative to MCID on a secondary analysis. No studies reported a significant difference in revision rates. CONCLUSION: While most studies comparing RA-TKA and N-TKA with C-TKA demonstrate improved radiographic alignment outcomes, a minority of studies reported PROM differences that achieve clinical significance. Future studies should report data and be interpreted in the context of clinical significance to establish patient and surgeon expectations for emerging technologies. CI - Copyright (c) 2022 Elsevier Inc. All rights reserved. FAU - Arshi, Armin AU - Arshi A AD - Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania. FAU - Sekimura, Troy AU - Sekimura T AD - Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California. FAU - Kelley, Benjamin V AU - Kelley BV AD - Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California. FAU - Zeegen, Erik N AU - Zeegen EN AD - Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California. FAU - Lonner, Jess H AU - Lonner JH AD - Rothman Orthopaedic Institute at Thomas Jefferson University, Philadelphia, Pennsylvania. FAU - Stavrakis, Alexandra I AU - Stavrakis AI AD - Department of Orthopaedic Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California. LA - eng PT - Journal Article PT - Systematic Review DEP - 20220330 PL - United States TA - J Arthroplasty JT - The Journal of arthroplasty JID - 8703515 SB - IM MH - *Arthroplasty, Replacement, Knee/methods MH - Humans MH - Knee Joint/surgery MH - Minimal Clinically Important Difference MH - *Osteoarthritis, Knee/surgery MH - *Robotics MH - Treatment Outcome OTO - NOTNLM OT - MCID OT - arthroplasty OT - knee OT - navigation OT - robotic OT - technology EDAT- 2022/04/04 06:00 MHDA- 2022/08/04 06:00 CRDT- 2022/04/03 20:24 PHST- 2022/01/29 00:00 [received] PHST- 2022/02/25 00:00 [revised] PHST- 2022/03/25 00:00 [accepted] PHST- 2022/04/04 06:00 [pubmed] PHST- 2022/08/04 06:00 [medline] PHST- 2022/04/03 20:24 [entrez] AID - S0883-5403(22)00377-1 [pii] AID - 10.1016/j.arth.2022.03.075 [doi] PST - ppublish SO - J Arthroplasty. 2022 Aug;37(8):1562-1569. doi: 10.1016/j.arth.2022.03.075. Epub 2022 Mar 30.