{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,26]],"date-time":"2026-10-26T16:40:49Z","timestamp":1793032849215,"version":"4.5.0"},"reference-count":22,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T00:00:00Z","timestamp":1776297600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T00:00:00Z","timestamp":1776297600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"}],"content-domain":{"domain":["esskajournals.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2026,11]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To compare early patient\u2010reported clinical outcomes of patient\u2010individual total knee arthroplasty (TKA) with individualized trochlear design versus robotic\u2010assisted TKA using off\u2010the\u2010shelf implants in patients with valgus knee phenotypes and pronounced femoral valgus (lateral distal femoral angle [LDFA]\u2009&lt;\u200985\u00b0) at 3 and 12 months postoperatively in a prospective matched case\u2013control study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This prospective matched case\u2013control study based on predefined anatomical criteria included 42 patients who underwent primary TKA between October 2021 and October 2023. Twenty\u2010one patients received patient\u2010individual posterior\u2010stabilized implants. Twenty\u2010one matched controls underwent robotic\u2010assisted TKA with off\u2010the\u2010shelf implants. All procedures followed restricted kinematic alignment (KA) principles with valgus undercorrection. Primary outcomes were patient\u2010reported scores (Forgotten Joint Score [FJS], Kujala Score, Oxford Knee Score [OKS] and the Western Ontario and McMaster Universities Arthritis Index [WOMAC]), assessed preoperatively and at 3 and 12 months.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Both groups demonstrated comparable preoperative clinical status and comparable degrees of preoperative valgus deformity, with no significant differences in hip\u2013knee\u2013ankle angle (HKA, 185.6\u2009\u00b1\u20096.3\u00b0 vs. 188.8\u2009\u00b1\u20094.1\u00b0;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.060) or mechanical LDFA (84.0\u2009\u00b1\u20090.9\u00b0 vs. 83.7\u2009\u00b1\u20091.2\u00b0;\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.261). At 3 and 12 months, patient\u2010individual total knee arthroplasty (pTKA) demonstrated significantly better scores across all patient\u2010reported outcome measures (PROMs) (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.05). The largest difference was observed in the Kujala score at 12 months (79.5\u2009\u00b1\u200912.8 vs. 59.7\u2009\u00b1\u200919.0,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.001). FJS improved more rapidly in the pTKA group (from 9.0 to 49.1 at 3 months, and 52.5 at 12 months) compared to robotic\u2010assisted total knee arthroplasty (rTKA) (26.9 and 36.0, respectively). One revision for suspected infection occurred in the pTKA cohort; none were reported after rTKA.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Patient\u2010individual TKA with individualized trochlear design achieved superior early functional outcomes compared to robotic\u2010assisted TKA with standard implants in severe valgus morphotypes. Individualized trochlear orientation may improve patellofemoral mechanics and facilitate faster recovery in patients with severe femoral valgus.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level III.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ksa.70399","type":"journal-article","created":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T11:45:19Z","timestamp":1776339919000},"page":"4125-4132","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":2,"title":["Superior patient\u2010reported clinical outcomes after patient\u2010individual total knee arthroplasty compared with off\u2010the\u2010shelf robotic\u2010assisted total knee arthroplasty in valgus knee phenotypes"],"prefix":"10.1002","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3370-7064","authenticated-orcid":false,"given":"Lars\u2010Rene","family":"Tuecking","sequence":"first","affiliation":[{"name":"Hannover Medical School Clinic of Orthopaedic Surgery in Diakovere Annastift Hannover Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4791-6051","authenticated-orcid":false,"given":"Peter","family":"Savov","sequence":"additional","affiliation":[{"name":"Hannover Medical School Clinic of Orthopaedic Surgery in Diakovere Annastift Hannover Germany"},{"name":"Department of Orthopaedic and Trauma Surgery, Pius Hospital Carl von Ossietzky University of Oldenburg Oldenburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0005-2961-078X","authenticated-orcid":false,"given":"Mara","family":"Hold","sequence":"additional","affiliation":[{"name":"Hannover Medical School Clinic of Orthopaedic Surgery in Diakovere Annastift Hannover Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-1319-0996","authenticated-orcid":false,"given":"Ricarda","family":"Stauss","sequence":"additional","affiliation":[{"name":"Hannover Medical School Clinic of Orthopaedic Surgery in Diakovere Annastift Hannover Germany"},{"name":"Department of Orthopaedic and Trauma Surgery, Pius Hospital Carl von Ossietzky University of Oldenburg Oldenburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-2982-4472","authenticated-orcid":false,"given":"Henning","family":"Windhagen","sequence":"additional","affiliation":[{"name":"Hannover Medical School Clinic of Orthopaedic Surgery in Diakovere Annastift Hannover Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0909-9097","authenticated-orcid":false,"given":"Max","family":"Ettinger","sequence":"additional","affiliation":[{"name":"Hannover Medical School Clinic of Orthopaedic Surgery in Diakovere Annastift Hannover Germany"},{"name":"Department of Orthopaedic and Trauma Surgery, Pius Hospital Carl von Ossietzky University of Oldenburg Oldenburg Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2026,4,16]]},"reference":[{"key":"e_1_2_12_2_1","doi-asserted-by":"publisher","DOI":"10.3390\/jpm12071164"},{"key":"e_1_2_12_3_1","doi-asserted-by":"publisher","DOI":"10.1002\/ksa.12234"},{"key":"e_1_2_12_4_1","doi-asserted-by":"publisher","DOI":"10.1002\/ksa.12267"},{"key":"e_1_2_12_5_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2022.10.011"},{"key":"e_1_2_12_6_1","doi-asserted-by":"publisher","DOI":"10.1002\/ksa.12143"},{"key":"e_1_2_12_7_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-021-06725-2"},{"key":"e_1_2_12_8_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-021-06473-3"},{"key":"e_1_2_12_9_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-023-07598-3"},{"key":"e_1_2_12_10_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.artd.2024.101569"},{"key":"e_1_2_12_11_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-018-5284-9"},{"key":"e_1_2_12_12_1","doi-asserted-by":"publisher","DOI":"10.1002\/ksa.12178"},{"key":"e_1_2_12_13_1","doi-asserted-by":"publisher","DOI":"10.1002\/ksa.12450"},{"key":"e_1_2_12_14_1","doi-asserted-by":"publisher","DOI":"10.1097\/CORR.0000000000000611"},{"key":"e_1_2_12_15_1","doi-asserted-by":"publisher","DOI":"10.1302\/2058-5241.5.200010"},{"key":"e_1_2_12_16_1","doi-asserted-by":"publisher","DOI":"10.1002\/ksa.12401"},{"key":"e_1_2_12_17_1","doi-asserted-by":"publisher","DOI":"10.1002\/ksa.12104"},{"key":"e_1_2_12_18_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00167-022-07251-5"},{"key":"e_1_2_12_19_1","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-013-2227-4"},{"key":"e_1_2_12_20_1","doi-asserted-by":"publisher","DOI":"10.1055\/s-0039-1693000"},{"key":"e_1_2_12_21_1","doi-asserted-by":"publisher","DOI":"10.3389\/fsurg.2021.697020"},{"key":"e_1_2_12_22_1","doi-asserted-by":"publisher","DOI":"10.3390\/clinpract15090162"},{"key":"e_1_2_12_23_1","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2025.08.030"}],"container-title":["Knee 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