{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,7]],"date-time":"2026-02-07T02:50:08Z","timestamp":1770432608968,"version":"3.49.0"},"reference-count":40,"publisher":"Wiley","license":[{"start":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T00:00:00Z","timestamp":1770336000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T00:00:00Z","timestamp":1770336000000},"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."],"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To compare subscales of the Knee injury and Osteoarthritis Outcome Score (KOOS), concomitant injuries and failure rates between patients undergoing primary and revision posterior cruciate ligament reconstruction (PCLR).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>This study was based on three major Scandinavian knee ligament registries (Sweden, Norway, Denmark). Patients undergoing primary and revision PCLR between 2005 and 2019 were included. Demographic characteristics, concomitant injuries and KOOS subscales were queried. A 3:1 propensity score matching was performed (i.e., three primary PCLR patients were matched to one revision PCLR patient). Subjective treatment failure was assessed at final follow\u2010up and was defined as &lt;44 points on the KOOS knee\u2010related quality of life (QoL) subscale.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      A total of 135 patients who underwent primary PCLR (mean age, 30.0\u2009\u00b1\u200911.0 years) were matched with 45 patients who underwent revision PCLR (mean age, 29.0\u2009\u00b1\u200910.5 years) and analysed after a mean follow\u2010up of 21.7\u2009\u00b1\u20095.5 months. At the time of surgery, there was no difference in concomitant meniscus (40% vs. 36%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.63), cartilage (12% vs. 4%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.15), anterior cruciate ligament (53% vs. 40%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.13) and neurovascular (1% vs. 7%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.057) injuries. There were no between\u2010group differences in any preoperative KOOS subscales. Postoperatively, KOOS QoL subscale was significantly lower after revision PCLR compared to primary PCLR (35.9\u2009\u00b1\u200923.0 points vs. 51.7\u2009\u00b1\u200923.6 points,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.005). At final follow\u2010up, 55% and 70% of patients met the criterion for subjective treatment failure after primary and revision PCLR, respectively (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009=\u20090.32).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Both primary and revision PCLR resulted in significant clinical improvements. However, more than 50% of the patients in each group experienced subjective treatment failure, indicating generally poor prognostic outcomes. Nevertheless, patients undergoing primary PCLR demonstrated significantly better knee\u2010related QoL compared to patients undergoing revision PCLR.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level II, prospective observational cohort study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1002\/ksa.70323","type":"journal-article","created":{"date-parts":[[2026,2,6]],"date-time":"2026-02-06T13:34:23Z","timestamp":1770384863000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Inferior clinical outcomes and higher subjective treatment failure after revision compared to primary posterior cruciate ligament reconstruction: A propensity score\u2010matched analysis"],"prefix":"10.1002","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-3997-1010","authenticated-orcid":false,"given":"Philipp Wilhelm","family":"Winkler","sequence":"first","affiliation":[{"name":"Department for Orthopaedics and Traumatology Kepler University Hospital GmbH, Johannes Kepler University Linz Linz Austria"},{"name":"Department of Orthopaedics Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg Gothenburg Sweden"},{"name":"Department of Sports Orthopaedics Klinikum rechts der Isar, Technical University of Munich Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B\u00e1lint","family":"Zsidai","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg Gothenburg Sweden"},{"name":"Department of Orthopedics Sk\u00e5ne University Hospital, Malm\u00f6\/Lund Malm\u00f6 Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eric","family":"Narup","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg Gothenburg Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Armin","family":"Runer","sequence":"additional","affiliation":[{"name":"Department of Sports Orthopaedics Klinikum rechts der Isar, Technical University of Munich Munich Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Martin","family":"Lind","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics Aarhus University Hospital Aarhus Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Gilbert","family":"Moatshe","sequence":"additional","affiliation":[{"name":"University of Oslo Oslo Norway"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eric Hamrin","family":"Senorski","sequence":"additional","affiliation":[{"name":"Department of Health and Rehabilitation Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg Gothenburg Sweden"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Volker","family":"Musahl","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery UPMC Freddie Fu Sports Medicine Center, University of Pittsburgh Pittsburgh Pennsylvania USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5383-3370","authenticated-orcid":false,"given":"Kristian","family":"Samuelsson","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg Gothenburg Sweden"},{"name":"Department of Orthopaedics Sahlgrenska University Hospital M\u00f6lndal 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