{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,7]],"date-time":"2026-08-07T17:23:08Z","timestamp":1786123388965,"version":"build-2736575974"},"reference-count":41,"publisher":"Wiley","issue":"12","license":[{"start":{"date-parts":[[2023,10,21]],"date-time":"2023-10-21T00:00:00Z","timestamp":1697846400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2023,10,21]],"date-time":"2023-10-21T00:00:00Z","timestamp":1697846400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2023,10,21]],"date-time":"2023-10-21T00:00:00Z","timestamp":1697846400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"},{"start":{"date-parts":[[2023,10,21]],"date-time":"2023-10-21T00:00:00Z","timestamp":1697846400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/www.springernature.com\/gp\/researchers\/text-and-data-mining"}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2023,12]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To evaluate the clinical outcomes of primary or revision ACL reconstruction (ACLR) after contralateral hamstring autografts versus ipsilateral hamstring autograft harvest.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Three databases (MEDLINE, PubMed and EMBASE) were searched from inception to April 27th, 2023 for studies investigating contralateral hamstring autografts in primary or revision ACLR. The authors adhered to the PRISMA and R\u2010AMSTAR guidelines as well as the Cochrane Handbook for Systematic Reviews of Interventions. Data on demographics, strength measures, patient\u2010reported outcome measures (PROMs), and rates of positive Lachman test, positive pivot\u2010shift test and graft rupture were extracted. PROMs included Lysholm, International Knee Documentation Committee (IKDC) and Tegner scores.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Nine studies comprising 371 patients were included in this review. In primary ACLR, there were no significant differences between contralateral and ipsilateral groups in isokinetic hamstring torque in the non\u2010ACLR limb or isokinetic quadriceps torque in both limbs when tested at 60, 90, 120 or 180 degrees\/second. Isokinetic hamstring torque in the non\u2010ACLR limb was significantly weaker in the contralateral group at six months for primary ACLR; however, these deficits did not persist. There were no significant differences in postoperative median Tegner scores and Lysholm scores between contralateral and ipsilateral groups in primary ACLR. There were no significant differences in postoperative median Tegner, mean Lysholm and IKDC scores between groups in revision ACLR. There were no significant differences in positive Lachman, positive pivot\u2010shift and rupture rates in primary ACLR between groups. Rates of positive Lachman and pivot\u2010shift were slightly higher in the contralateral than ipsilateral group for revision ACLR.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>Contralateral hamstring autografts results in comparable muscle strength to ipsilateral hamstring autografts, with the exception of weaker hamstring strengths in the early postoperative period. Patient\u2010reported outcome measures were similar between the two groups across both primary and revision ACLR, with rates of instability and failure being similar between groups for primary ACLR. Contralateral hamstring grafts do not provide additional benefit when compared to ipsilateral options for either primary or revision ACLR, and should be used only in select circumstances including insufficient ipsilateral hamstring grafts or situations where quadriceps or patella autografts are not optimal.<\/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>","DOI":"10.1007\/s00167-023-07597-4","type":"journal-article","created":{"date-parts":[[2023,10,21]],"date-time":"2023-10-21T00:02:25Z","timestamp":1697846545000},"page":"5641-5651","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Contralateral hamstring autografts do not provide benefit compared to ipsilateral hamstring autografts in primary or revision anterior cruciate ligament reconstruction: a systematic review"],"prefix":"10.1002","volume":"31","author":[{"given":"Prushoth","family":"Vivekanantha","sequence":"first","affiliation":[{"name":"Michael DeGroote School of Medicine McMaster University Hamilton ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Soroush","family":"Nedaie","sequence":"additional","affiliation":[{"name":"Michael DeGroote School of Medicine McMaster University Hamilton ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zackariyah","family":"Hassan","sequence":"additional","affiliation":[{"name":"Michael DeGroote School of Medicine McMaster University Hamilton ON Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hassaan","family":"Abdel Khalik","sequence":"additional","affiliation":[{"name":"Division of Orthopaedic Surgery Department of Surgery McMaster University Medical Center 1200\u00a0Main St West L8S 4L8 Hamilton ON 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