Mid-term outcomes of medial metal backed and all-polyethylene unicompartmental knee arthroplasty in obese patients: a retrospective propensity-matched analysis.
| Title: | Mid-term outcomes of medial metal backed and all-polyethylene unicompartmental knee arthroplasty in obese patients: a retrospective propensity-matched analysis. |
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| Authors: | De Berardinis L; Clinical Orthopaedics, Department of Clinical and Molecular Science, School of Medicine, Università Politecnica delle Marche, Ancona, Italy, Via Tronto, 10/a, 60126, Ancona, AN, Italy. luca8191deberardinis@gmail.com.; Piovan G; Department of Orthopaedics, IRCCS Ospedale Sacro Cuore Don Calabria, Negrar di Valpolicella, Italy.; Screpis D; Department of Orthopaedics, IRCCS Ospedale Sacro Cuore Don Calabria, Negrar di Valpolicella, Italy.; Senarighi M; Clinical Orthopaedics, Department of Clinical and Molecular Science, School of Medicine, Università Politecnica delle Marche, Ancona, Italy, Via Tronto, 10/a, 60126, Ancona, AN, Italy.; Baldini M; Clinical Orthopaedics, Department of Clinical and Molecular Science, School of Medicine, Università Politecnica delle Marche, Ancona, Italy, Via Tronto, 10/a, 60126, Ancona, AN, Italy.; Povegliano L; Department of Orthopaedics, IRCCS Ospedale Sacro Cuore Don Calabria, Negrar di Valpolicella, Italy.; Gigante AP; Clinical Orthopaedics, Department of Clinical and Molecular Science, School of Medicine, Università Politecnica delle Marche, Ancona, Italy, Via Tronto, 10/a, 60126, Ancona, AN, Italy.; Zorzi C; Department of Orthopaedics, IRCCS Ospedale Sacro Cuore Don Calabria, Negrar di Valpolicella, Italy. |
| Source: | Journal of orthopaedic surgery and research [J Orthop Surg Res] 2024 Oct 14; Vol. 19 (1), pp. 651. Date of Electronic Publication: 2024 Oct 14. |
| Publication Type: | Journal Article |
| Language: | English |
| Journal Info: | Publisher: BioMed Central Country of Publication: England NLM ID: 101265112 Publication Model: Electronic Cited Medium: Internet ISSN: 1749-799X (Electronic) Linking ISSN: 1749799X NLM ISO Abbreviation: J Orthop Surg Res Subsets: MEDLINE |
| Imprint Name(s): | Original Publication: London : BioMed Central, 2006- |
| MeSH Terms: | Arthroplasty, Replacement, Knee*/methods ; Obesity*/surgery ; Obesity*/complications ; Propensity Score* ; Metals* ; Polyethylene* ; Knee Prosthesis*; Humans ; Retrospective Studies ; Male ; Female ; Aged ; Middle Aged ; Treatment Outcome ; Follow-Up Studies ; Time Factors ; Prosthesis Design ; Patient Reported Outcome Measures |
| Abstract: | Background: This retrospective study compares the outcomes of unicompartmental medial fixed-bearing knee arthroplasty (mUKA), involving a cemented metal-backed (MB) or an all-polyethylene (AP) tibial component, performed in obese patients with a body mass index (BMI) > 30 with a follow-up of at least 5 years.; Methods: The institutional database was mined for primary mUKAs involving an MB or an AP tibial component (MB-UKA and AP-UKA groups, respectively) performed from January 2015 to August 2019. Patient demographics and patient-reported outcome measures (PROMs) were compared and a propensity score matching (PSM) analysis (1:1) using multiple variables was conducted.; Results: PSM analysis yielded 37 pairs of obese MB-UKA and AP-UKA patients. At 5 years, the Knee Society Function Score (KSFS) was 75.1 ± 10.6 in MB-UKA and 79.4 ± 9.1 in AP-UKA patients (p = 0.029), and the Oxford Knee Score (OKS) was 38.1 ± 4.4 in MB-UKA and 40.6 ± 5.7 in AP-UKA patients (p = 0.011).; Conclusion: At five-year follow-up, in a matched group of obese MB-UKA and AP-UKA patients, the AP-UKA group achieved better KSFSs and OKSs. Both the AP and the MB tibial components were able to bring about a significant improvement of the most widely used PROMs.; (© 2024. The Author(s).) |
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| Contributed Indexing: | Keywords: All-poly tibial component, Metal-backed tibial component, propensity score matching, obesity; Body Mass Index; Functional outcomes; Medial knee osteoarthritis; Mid-long-term outcomes; Quality of life; UKA; Unicompartmental knee arthroplasty |
| Substance Nomenclature: | 0 (Metals); 9002-88-4 (Polyethylene) |
| Entry Date(s): | Date Created: 20241014 Date Completed: 20241015 Latest Revision: 20241018 |
| Update Code: | 20260130 |
| PubMed Central ID: | PMC11476603 |
| DOI: | 10.1186/s13018-024-05148-2 |
| PMID: | 39402592 |
| Database: | MEDLINE |
Journal Article