A systematic review of MAKO-assisted unicompartmental knee arthroplasty.

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Abstract

[Indexed for MEDLINE] 20. BMC Musculoskelet Disord. 2025 May 15;26(1):472. doi: 10.1186/s12891-025-08628-6. Early postoperative gait characteristics after unicompartmental knee arthroplasty: results and clinical implications. Gu X(#)(1), Zhou C(#)(2), Zhu X(3), Cao J(1), Li H(4). Author information: (1)Graduate School of Xuzhou Medical University, Xuzhou, Jiangsu, China. (2)Department of Orthopedics, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China. (3)Department of Orthopedics, Xuzhou Ren Ci Hospital, Xuzhou, China. (4)Department of Orthopedics, The Affiliated Hospital of Xuzhou Medical University, Quanshan District, Xuzhou, 221000, Jiangsu, China. lihongwei20012023@163.com. (#)Contributed equally BACKGROUND AND OBJECTIVE: Despite the established efficacy of unicompartmental knee arthroplasty (UKA), quantitative assessments of early postoperative changes in gait and stability remain limited. This study investigated preoperative and postoperative alterations in gait and stability following UKA. METHODS: A cohort of 30 patients undergoing unilateral UKA at the Joint Surgery Department of the Affiliated Hospital of Xuzhou Medical University between May 2021 and 2022 was compared with a control group of 15 healthy elderly individuals without a history of hip or knee pathology. Evaluated parameters included Hospital for Special Surgery (HSS) scores, center of pressure path length, 95% confidence ellipse area, pace, stride length, stride frequency, gait cycle, and single support time percentage. Measurements were obtained preoperatively and at 1 and 3 months postoperatively for both groups. RESULTS: Step frequency remained unchanged between preoperative and 1-month postoperative assessments (p > 0.05). Stability declined at 1 month postoperatively relative to baseline, whereas other gait parameters showed significant improvement (p