{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T05:24:52Z","timestamp":1787117092092,"version":"build-2736575974"},"reference-count":34,"publisher":"Frontiers Media SA","license":[{"start":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T00:00:00Z","timestamp":1787097600000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["frontiersin.org"],"crossmark-restriction":true},"short-container-title":["Front. Med."],"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>To evaluate the outcomes of fixed-bearing medial unicompartmental knee arthro plasty (UKA) combined with anterior cruciate ligament (ACL) reconstruction using either a LARS artificial ligament or autologous tendon graft, compared with isolated UKA in ACL-intact knees.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>\n                      Patients who underwent UKA combined with ACL reconstruction from January 2019 to December 2021 were retrospectively reviewed. They were divided into the LARS group (L-UKA,\n                      <jats:italic>n<\/jats:italic>\n                      = 20) and the autologous tendon group (A-UKA,\n                      <jats:italic>n<\/jats:italic>\n                      = 20). A contemporaneous cohort of patients who underwent isolated UKA with an intact ACL was matched at a 1:1:1 ratio (UKA,\n                      <jats:italic>n<\/jats:italic>\n                      = 20). Range of motion (ROM), Knee Society Score (KSS), Oxford Knee Score (OKS), and Forgotten Joint Score (FJS) were compared. Radiographic parameters included the hip-knee-ankle angle (HKA), posterior tibial slope (PTS), and anterior tibial translation (ATT).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The mean follow-up was 61.07 \u00b1 3.90 months. Baseline characteristics were comparable among the three groups. At final follow-up, ROM, KSS and OKS improved significantly in all groups compared with preoperative values (\n                      <jats:italic>P<\/jats:italic>\n                      &amp;lt; 0.01), with no significant intergroup differences (\n                      <jats:italic>P<\/jats:italic>\n                      &amp;gt; 0.05). Final HKA, PTS, and ATT were also comparable among groups. Preoperative ATT was significantly greater in the L-UKA and A-UKA groups than in the isolated UKA group (\n                      <jats:italic>P<\/jats:italic>\n                      &amp;lt; 0.01), but normalized postoperatively. At 1 month, ROM and KSS were significantly better in the L-UKA group than in the A-UKA group (\n                      <jats:italic>P<\/jats:italic>\n                      &amp;lt; 0.05). Two patients in the A-UKA group had donor-site pain. No implant loosening or lateral compartment OA progression occurred, and implant survivorship was 100%.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>UKA combined with ACL reconstruction using either LARS artificial ligament or autologous tendon graft effectively corrected ATT and achieved mid-term outcomes comparable to isolated UKA. LARS avoided donor-site morbidity and provided better early functional recovery, although its long-term safety requires further validation.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3389\/fmed.2026.1935913","type":"journal-article","created":{"date-parts":[[2026,8,19]],"date-time":"2026-08-19T04:36:20Z","timestamp":1787114180000},"update-policy":"https:\/\/doi.org\/10.3389\/crossmark-policy","source":"Crossref","is-referenced-by-count":0,"title":["Combined unicompartmental knee arthroplasty and ACL reconstruction for medial knee osteoarthritis complicated by ACL insufficiency: superior early functional recovery with LARS artificial ligament and comparable mid-term results versus autologous tendon"],"prefix":"10.3389","volume":"13","author":[{"given":"Ke","family":"He","sequence":"first","affiliation":[{"name":"Department of Joint and Sports Medicine, Suining Central Hospital, Suining","place":["Sichuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ling","family":"Yuan","sequence":"additional","affiliation":[{"name":"Department of Health Management, Suining Central Hospital, Suining","place":["Sichuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhenyu","family":"Luo","sequence":"additional","affiliation":[{"name":"Department of Joint and Sports Medicine, Suining Central Hospital, Suining","place":["Sichuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuan","family":"Li","sequence":"additional","affiliation":[{"name":"Department of Joint and Sports Medicine, Suining Central Hospital, Suining","place":["Sichuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xu","family":"Peng","sequence":"additional","affiliation":[{"name":"Department of Joint and Sports Medicine, Suining Central Hospital, Suining","place":["Sichuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Guanjun","family":"Sun","sequence":"additional","affiliation":[{"name":"Department of Joint and Sports Medicine, Suining Central Hospital, Suining","place":["Sichuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yi","family":"Yin","sequence":"additional","affiliation":[{"name":"Department of Joint and Sports Medicine, Suining Central Hospital, Suining","place":["Sichuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yu","family":"Leng","sequence":"additional","affiliation":[{"name":"Department of Joint and Sports Medicine, Suining Central Hospital, Suining","place":["Sichuan, China"]}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoyi","family":"Jiao","sequence":"additional","affiliation":[{"name":"Department of Joint and Sports Medicine, Suining Central Hospital, Suining","place":["Sichuan, 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