Pre-existing patellofemoral disease does not affect 10-year survivorship in fixed bearing unicompartmental knee arthroplasty.

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Abstract

[Indexed for MEDLINE] 4. Arch Orthop Trauma Surg. 2024 Dec 18;145(1):64. doi: 10.1007/s00402-024-05671-1. Medial meniscus posterior root tears with advanced osteoarthritis or subchondral insufficiency fracture are good indications for unicompartmental knee arthroplasty at a minimum 2-year follow-up. Kawada K(1), Yokoyama Y(1), Okazaki Y(1), Tamura M(1), Ozaki T(1), Furumatsu T(2)(3). Author information: (1)Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan. (2)Department of Orthopaedic Surgery, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama, Japan. matino@md.okayama-u.ac.jp. (3)Department of Orthopaedic Surgery, Okayama Red Cross Hospital, 2-1-1 Aoe, Kitaku, Okayama, 700-8607, Japan. matino@md.okayama-u.ac.jp. INTRODUCTION: The outcomes of unicompartmental knee arthroplasty (UKA) in the presence and absence of medial meniscus posterior root tears (MMPRTs) have not been compared. This study compared the characteristics and clinical outcomes of patients undergoing UKA with and without MMPRTs. MATERIALS AND METHODS: This study analyzed 68 patients. The presence or absence of MMPRTs was evaluated using preoperative magnetic resonance imaging. Patient characteristics, clinical scores before surgery and at the final evaluation, and imaging findings were compared between patients with and without MMPRTs. Multiple regression analysis was conducted on postoperative visual analog scale (VAS)-pain scores. RESULTS: MMPRTs were present in 64.7% (44/68) of patients. Patients with MMPRTs were significantly younger (67.8 ± 8.2 vs. 75.0 ± 7.1 years, p