{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T15:14:48Z","timestamp":1786979688581,"version":"build-2736575974"},"reference-count":35,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2022,10,8]],"date-time":"2022-10-08T00:00:00Z","timestamp":1665187200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"},{"start":{"date-parts":[[2022,10,8]],"date-time":"2022-10-08T00:00:00Z","timestamp":1665187200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2022,10,8]],"date-time":"2022-10-08T00:00:00Z","timestamp":1665187200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/100012352","name":"Universit\u00e0 degli Studi di Milano","doi-asserted-by":"crossref","id":[{"id":"10.13039\/100012352","id-type":"DOI","asserted-by":"crossref"}]},{"DOI":"10.13039\/100012352","name":"Universit\u00e0 degli Studi di Milano","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100012352","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2023,6]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>The objective of this systematic literature review was to report the results and complications of recent remnant preservation techniques in posterior cruciate ligament (PCL) reconstruction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A systematic review was conducted based on the Preferred Reporting Items for Systematic Reviews and Meta\u2010Analyses (PRISMA) guidelines. Two independent reviewers searched the PubMed, Scopus, Embase, and Cochrane Library databases using the terms \u201cposterior cruciate ligament\u201d or \u201cPCL\u201d and \u201cremnant preserving.\u201d The outcome measures extracted from the studies were the Lysholm score, the International Knee Documentation Committee\u2019s (IKDC) subjective and objective scores, Tegner scores, Orthop\u00e4dische Arbeitsgruppe Knie (OAK) rate of return to sports, and rate of complications. Data were also extracted from studies that used stress radiographs to perform a quantitative assessment of the preoperative and postoperative anteroposterior stability.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The systematic review included 13 studies. The patient cohort of consisted of 643 participants (544 [84.6%] men and 99 [15.4%] women) with a mean age of 32.9\u2009\u00b1\u20094.0 years. The mean postoperative follow\u2010up was 34.5\u2009\u00b1\u200910.9\u00a0months (range: 24\u201396\u00a0months), while the mean time from injury to surgery was 14.4\u2009\u00b1\u20099.9\u00a0months (range: 0\u2013240\u00a0months). All studies reported clinically significant improvement at final follow\u2010up, as evident from the measured subjective and objective IKDC scores, Lysholm score, Tegner score, and OAK rate. Only three studies reported return to sports activity, with a mean percentage of 90.8% (99\/109). All studies showed a significant improvement in posterior translation, from 11.5\u2009\u00b1\u20091.2\u00a0mm to 3.3\u2009\u00b1\u20091.1\u00a0mm, using radiography (side\u2010to\u2010side difference). This systematic review revealed 13 (2.0%) failures and 33 (5.1%) minor complications: 10 (1.6%) cases of stiffness, 21 (4.9%) screws removal, 1 (0.2%) injury of the peroneal nerve, and 1 (0.2%) fibular fracture.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>With the currently available data, all studies included in the review on posterior cruciate ligament reconstruction with remnant preservation demonstrated satisfactory outcomes at mid\u2010term follow\u2010up (&gt;\u200924\u00a0months), despite varying surgical techniques and graft types, and intervals from injury to surgery. For clinical relevance, standard PCL reconstruction is a highly effective operation in terms of improvement in functional status, knee stability, quality of life, and cost effectiveness. The remnant preservation technique requires more comprehensive diagnostic assessments of the PCL remnant patterns and more complicated surgical procedures. Given the absence so far of high quality studies with long\u2010term follow\u2010up, the remnant\u2010preserving techniques should be recommended only by experienced knee arthroscopic surgeons.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of evidence<\/jats:title>\n                    <jats:p>Level IV.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study registration<\/jats:title>\n                    <jats:p>\n                      reviewregistry1376\u2014\n                      <jats:ext-link xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" xlink:href=\"http:\/\/www.researchregistry.com\">www.researchregistry.com<\/jats:ext-link>\n                      .\n                    <\/jats:p>\n                  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Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Aur\u00e9lien","family":"Hall\u00e9","sequence":"additional","affiliation":[{"name":"<!--<label>3<\/label>--> Service de Chirurgie Orthopedique et Traumatologique CHU de Cochin Paris France"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Alexandre","family":"Hardy","sequence":"additional","affiliation":[{"name":"<!--<label>4<\/label>--> Clinique du Sport Paris 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