Associated patellofemoral osteoarthritis is not a contraindication for unicompartmental knee replacement. Report of one hundred ten prostheses with an average 6-year follow-up.

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Abstract

[Indexed for MEDLINE] Conflict of interest statement: Declaration of competing interest Gabriel Gaggiotti: None. Stéfano Gaggiotti: None. Santino Gaggiotti: None. Julio César Ringa: None. 6. Arch Orthop Trauma Surg. 2026 Mar 3;146(1):93. doi: 10.1007/s00402-026-06248-w. Impact of neighborhood socioeconomic deprivation on implant complications after unicompartmental knee arthroplasty: a propensity-matched cohort study. Gordon AM(1)(2), Nian P(3), Baidya J(3), Mont MA(4). Author information: (1)Boston University, Boston, USA. agordon55@gmail.com. (2)Maimonides Medical Center, New York, USA. agordon55@gmail.com. (3)Maimonides Medical Center, New York, USA. (4)Rubin Institute for Advanced Orthopedics, Baltimore, USA. INTRODUCTION: Although previous studies have examined total joint arthroplasties (TJA), research on the association between the Area Deprivation Index (ADI) and outcomes following unicompartmental knee arthroplasty (UKA) remains limited. This study evaluates outcomes following UKA and whether patients with higher ADIs (indicating greater socioeconomic disadvantage) are at increased risk for implant-related complications. METHODS: A retrospective analysis was performed using a nationwide claims database from 2010 to 2022. The ADI was used to categorize patients into high and low ADI groups. A total of 26,058 primary UKA patients for osteoarthritis were 1:1 propensity-score matched by age, gender, and Elixhauser Comorbidity Index (ECI). Primary endpoints included 2-year implant-related complications and costs. Multivariable logistic regression models computed the odds ratios (OR) for the association between ADI and 2-year implant complications. P values