{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T20:19:52Z","timestamp":1780345192734,"version":"3.54.1"},"reference-count":28,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2020,5,14]],"date-time":"2020-05-14T00:00:00Z","timestamp":1589414400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2020,5,14]],"date-time":"2020-05-14T00:00:00Z","timestamp":1589414400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springer.com\/tdm"},{"start":{"date-parts":[[2020,5,14]],"date-time":"2020-05-14T00:00:00Z","timestamp":1589414400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/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":[[2021,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>The purpose of the study was to assess the outcomes of extensor mechanism reconstruction with proximal tibia\u2010patellar tendon composite allograft.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>24 consecutive patients treated with allograft\u2010prosthetic composite for proximal tibia tumour resection and a conventional total knee arthroplasty were included. Extensor mechanism reconstruction was performed with a proximal tibia\u2010patellar tendon composite allograft and the suture of the donor tendon to the remnant native patellar tendon. Function was evaluated by the Musculoskeletal Tumor Society score (MSTS) and range of motion. Western Ontario and MacMaster University (WOMAC) and visual analogue scale for pain also were used.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>After a mean follow\u2010up of 11.7 (range 3\u201315) years, mean MSTS score was 22.4 (range 20\u201330), mean flexion was 94.0\u00b0 (range 84\u00b0\u2013110\u00b0), and mean extension lag was 7.2\u00b0 (range 0\u00b0\u201318\u00b0). The mean VAS\u2010pain was 4.3 (range 2\u20136), and WOMAC score was 72.4 (range 58\u2013100). There was no failure of the reconstructed extensor mechanism.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Patellar tendon reconstruction with allogeneic tissue from the proximal tibia allograft sutured to the recipient\u2019s remnant patellar tendon provides the mechanical support needed for healing of the reconstructed extensor mechanism with a substantial functional benefit to stabilize active knee extension and successful reconstruction survival at long\u2010term.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>III.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-020-06062-w","type":"journal-article","created":{"date-parts":[[2020,5,14]],"date-time":"2020-05-14T12:50:21Z","timestamp":1589460621000},"page":"982-987","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Successful mid\u2010 to long\u2010term outcome after reconstruction of the extensor apparatus using proximal tibia\u2010patellar tendon composite allograft"],"prefix":"10.1002","volume":"29","author":[{"given":"Pablo","family":"Puerta\u2010GarciaSandoval","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Unit of Bone Tumors, Department of Orthopaedic Surgery Arrixaca University Hospital Murcia Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4798-2702","authenticated-orcid":false,"given":"Alejandro","family":"Lizaur\u2010Utrilla","sequence":"additional","affiliation":[{"name":"<!--<label>2<\/label>--> Department of Traumatology and Orthopaedics Miguel Hernandez University Alicante Spain"},{"name":"<!--<label>3<\/label>--> Department of Orthopaedic Surgery Elda University Hospital Ctra Elda\u2010Sax s\/n, Elda 03600 Alicante Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maria A.","family":"Trigueros\u2010Rentero","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Unit of Bone Tumors, Department of Orthopaedic Surgery Arrixaca University Hospital Murcia Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Adolfo","family":"Perez\u2010Aznar","sequence":"additional","affiliation":[{"name":"<!--<label>2<\/label>--> Department of Traumatology and Orthopaedics Miguel Hernandez University Alicante Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carolina","family":"Alonso\u2010Montero","sequence":"additional","affiliation":[{"name":"<!--<label>2<\/label>--> Department of Traumatology and Orthopaedics Miguel Hernandez University Alicante Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Fernando A.","family":"Lopez\u2010Prats","sequence":"additional","affiliation":[{"name":"<!--<label>2<\/label>--> Department of Traumatology and Orthopaedics Miguel Hernandez University Alicante 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April 2020","order":1,"name":"received","label":"Received","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"10 May 2020","order":2,"name":"accepted","label":"Accepted","group":{"name":"ArticleHistory","label":"Article History"}},{"value":"14 May 2020","order":3,"name":"first_online","label":"First Online","group":{"name":"ArticleHistory","label":"Article History"}},{"order":1,"name":"Ethics","group":{"name":"EthicsHeading","label":"Compliance with ethical standards"}},{"value":"All authors declare that they have no conflict of interest.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The study was approved by our institutional IRB, Elda University Hospital, project number PI2019-034.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}}]}}