{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,17]],"date-time":"2026-09-17T07:20:05Z","timestamp":1789629605850,"version":"build-2803163510"},"reference-count":43,"publisher":"SAGE Publications","issue":"13","license":[{"start":{"date-parts":[[2023,9,19]],"date-time":"2023-09-19T00:00:00Z","timestamp":1695081600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"DOI":"10.13039\/100007408","name":"Medical Center, University of Pittsburgh","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100007408","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Am J Sports Med"],"published-print":{"date-parts":[[2023,11]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Knee laxity increases with medial meniscectomy in anterior cruciate ligament (ACL)\u2013reconstructed knees; however, the biomechanical effect of an additional lateral extra-articular tenodesis (LET) is unknown.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose\/Hypothesis:<\/jats:title>\n                    <jats:p>The purpose of this study was to determine the kinematic effect of a LET in knees that underwent combined ACL reconstruction (ACL-R) and partial medial meniscus posterior horn (MMPH) meniscectomy. It was hypothesized that the addition of LET would reduce laxity in the ACL-reconstructed knee.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Study Design:<\/jats:title>\n                    <jats:p>Controlled laboratory study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>Ten fresh-frozen human cadaveric knees (mean age, 41.5 years) were tested using a robotic system under 3 loads: (1) 89.0 N of anterior tibial (AT) load, (2) 5 N\u00b7m of internal rotation (IR) tibial torque, and (3) a simulated pivot shift\u2014a combined valgus of 7 N\u00b7m and IR torque of 5 N\u00b7m\u2014at 0\u00b0, 15\u00b0, 30\u00b0, 45\u00b0, 60\u00b0, and 90\u00b0 of knee flexion. Kinematic data were acquired in 4 states: (1) intact, (2) ACL-R, (3) ACL-R + partial MMPH meniscectomy (MMPH), and (4) ACL-R + partial MMPH meniscectomy + LET (MMPH+LET).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>In response to AT loading, there was a significant increase seen in AT translation (ATT) in the MMPH state at all knee flexion angles compared with the ACL-R state, with the highest increase at 90\u00b0 of knee flexion (mean difference, 3.1 mm) ( P &lt; .001). Although there was a significant decrease in ATT at 15\u00b0 of knee flexion with MMPH+LET ( P = .022), no significant differences were found at other knee flexion angles ( P &gt; .05). In MMPH with IR torque, a significant increase was observed in IR at all knee flexion angles except 90\u00b0 compared with the ACL-R state (range, 2.8\u00b0-4.9\u00b0), and this increase was significantly decreased at all flexion angles with the addition of LET (range, 0.7\u00b0-1.6\u00b0) ( P &lt; .05).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Performing a partial MMPH meniscectomy increased ATT and IR in response to AT and IR loads compared with the isolated ACL-R state in a cadaveric model. However, when the LET procedure was performed after partial MMPH meniscectomy, a significant decrease was seen at all knee flexion angles except 90\u00b0 in response to IR and torque, and a significant decrease was seen at 15\u00b0 of knee flexion in response to AT load.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Clinical Relevance:<\/jats:title>\n                    <jats:p>LET may be a useful adjunct procedure after ACL-R with partial MMPH meniscectomy to reduce knee laxity.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/03635465231198856","type":"journal-article","created":{"date-parts":[[2023,9,19]],"date-time":"2023-09-19T07:44:56Z","timestamp":1695109496000},"page":"3473-3479","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":16,"title":["The Effect of Lateral Extra-articular Tenodesis in an ACL-Reconstructed Knee With Partial Medial Meniscectomy: A Biomechanical Study"],"prefix":"10.1177","volume":"51","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8502-9798","authenticated-orcid":false,"given":"Emre An\u0131l","family":"\u00d6zbek","sequence":"first","affiliation":[{"name":"Department of Orthopedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA"},{"name":"Department of Orthopedics and Traumatology, Ankara University, Ankara, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Armin","family":"Runer","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, University of Pittsburgh Medical Center, Pittsburgh, Pennsylvania, USA"},{"name":"Department for Orthopaedic Sports Medicine, Technical University of Munich, Munich, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sahil","family":"Dadoo","sequence":"additional","affiliation":[{"name":"Department of Orthopedic Surgery, University of Pittsburgh Medical 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