{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,4]],"date-time":"2026-03-04T22:13:10Z","timestamp":1772662390851,"version":"3.50.1"},"reference-count":35,"publisher":"Wiley","issue":"1","license":[{"start":{"date-parts":[[2014,10,9]],"date-time":"2014-10-09T00:00:00Z","timestamp":1412812800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2014,10,9]],"date-time":"2014-10-09T00:00:00Z","timestamp":1412812800000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.springer.com\/tdm"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2016,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purposes<\/jats:title><jats:p>To determine the long\u2010term survival rate of an all\u2010polyethylene tibial unicompartmental knee arthroplasty (UKA) in a large series of consecutive patients and to investigate the possible factors that could influence the outcome.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>A retrospective evaluation of 273 patients at 6\u201313 years of follow\u2010up was performed. Clinical evaluation was based on KSS and WOMAC scores. Subjective evaluation was based on a visual analogue scale for pain self\u2010assessment. Radiographic evaluation was performed to assess femoral\u2010tibial angle (FTA), posterior tibial slope (PTS) and tibial plateau angle (TPA). A Kaplan\u2013Meier survival analysis was performed assuming revision for any reason as primary endpoint.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The 10\u2010year implant survivorship was 87.6 %. Twenty\u2010five revisions (9.2 %) were performed, and aseptic loosening of the tibial component was the most common failure mode (11 cases, 4 %). The comparison of survival rate according to age at surgery did not show significant difference. Age at surgery, FTA, TPA and PTS were not related to higher risk of revision. No correlations were found between BMI, age at surgery and clinical scores. Finally, no statistical differences of radiographic measurements were found between revisions and non\u2010revisions.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The present study has demonstrated on a large series of patients that UKA with an all\u2010polyethylene tibial component, with an accurate technique and a proper patient selection, can provide a satisfactory clinical and functional outcome and a good overall survivorship of the implant at long\u2010term follow\u2010up. These advantages could be achieved at a lower cost.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>Retrospective Therapeutic Study, Level IV.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-014-3361-2","type":"journal-article","created":{"date-parts":[[2014,10,8]],"date-time":"2014-10-08T03:53:36Z","timestamp":1412740416000},"page":"182-187","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":21,"title":["Good survivorship of all\u2010polyethylene tibial component UKA at long\u2010term follow\u2010up"],"prefix":"10.1002","volume":"24","author":[{"given":"Danilo","family":"Bruni","sequence":"first","affiliation":[{"name":"Codivilla\u2010Putti Research Center Rizzoli Orthopaedic Institute Bologna Italy"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Michele","family":"Gagliardi","sequence":"additional","affiliation":[{"name":"Codivilla\u2010Putti Research Center Rizzoli 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