Oxford domed lateral unicompartmental knee arthroplasty.

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Abstract

[Indexed for MEDLINE] 9. J Am Acad Orthop Surg. 2019 Mar 1;27(5):e207-e214. doi: 10.5435/JAAOS-D-17-00710. Robotic-assisted Medial Unicompartmental Knee Arthroplasty: Options and Outcomes. Lonner JH(1), Klement MR. Author information: (1)From Rothman Institute, Department of Orthopaedic Surgery, Sidney Kimmel Medical College at Thomas Jefferson University, Philadelphia, PA (Dr. Lonner and Dr. Klement), and Orthopaedic Associates of Wisconsin, Pewaukee, WI (Dr. Klement). Medial unicompartmental knee arthroplasty (UKA) has several benefits over total knee arthroplasty for the surgical treatment of isolated medial compartmental arthritis in the knee, including reduced surgical risk and postoperative morbidity, rapid recovery, more normal kinematics, greater patient satisfaction, and shorter hospitalization. Nonetheless, there is substantial concern about the higher revision rates and lower survivorship in UKA compared to those in total knee arthroplasty. Robotic assistance has been advanced to improve the precision of bone preparation, component alignment, and quantified ligament balance in UKA, with the ultimate goal of improving kinematics and implant survivorship. Two currently available semiautonomous robotic platforms have demonstrated improved accuracy, and emerging short-term follow-up has demonstrated satisfactory functional outcomes. Further studies will be needed to determine if these technologies indeed have a meaningful impact on patient outcomes and survivorship in the mid- to long term. DOI: 10.5435/JAAOS-D-17-00710