{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,17]],"date-time":"2026-08-17T16:40:10Z","timestamp":1786984810960,"version":"build-2736575974"},"reference-count":33,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2016,5,18]],"date-time":"2016-05-18T00:00:00Z","timestamp":1463529600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2016,5,18]],"date-time":"2016-05-18T00:00:00Z","timestamp":1463529600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2016,5,18]],"date-time":"2016-05-18T00:00:00Z","timestamp":1463529600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":["clinicalkey.jp","clinicalkey.com","clinicalkey.es","arthroscopyjournal.org","clinicalkey.com.au","clinicalkey.fr","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2016,11]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To evaluate the subjective outcomes, knee stability, and donor\u2010site morbidity after revision ACL reconstruction using either autologous ipsilateral quadriceps tendon or contralateral semitendinosus\u2010gracilis tendon.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A sample size calculation suggested that we needed 25 patients in each group to detect equality between both groups. Therefore, we evaluated 30 consecutive patients who underwent an ACL revision surgery with ipsilateral bone\u2013quadriceps tendon grafts and 30 consecutive patients with the contralateral semitendinosus\u2010gracilis grafts between January 2010 and December 2012. Because of follow\u2010up and exclusion criteria, finally 51 patients were evaluated. All patients were followed prospectively for at least 2\u00a0years with KT1000 arthrometer testing and the International Knee Documentation Committee (IKDC) objective grading. At the 24\u2010month follow\u2010up, additional clinical scores were evaluated: the Knee Injury Osteoarthritis Outcome Score (KOOS), the Lysholm score, assessing pain during kneeling, and anterior knee pain.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      The KT1000 postoperative arthrometer side\u2010to\u2010side difference was 2.0 \u00b1 1.2\u00a0mm for the quadriceps group and 3.0 \u00b1 2.9\u00a0mm for the semitendinosus\u2010gracilis group. The difference was not statistically significant (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .461). There was also no difference in the rate of positive pivot\u2010shift tests between groups (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .661). The Lysholm score was 82.5 \u00b1 18 in the quadriceps group and 73.8 \u00b1 19 in the semitendinosus\u2010gracilis group. The difference was not statistically significant (\n                      <jats:italic>P<\/jats:italic>\n                      \u00a0= .060). There was also no significant difference in the single KOOS subscores, assessing pain while kneeling and anterior knee pain (included in the KOOS score). No rerupture occurred during follow\u2010up.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Revision ACL reconstruction using the quadriceps tendon graft showed clinical outcomes similar to those of the contralateral semitendinosus\u2010gracilis graft in terms of knee stability and function. Thus, the bone\u2212quadriceps tendon graft may be a good alternative to the contralateral semitendinosus\u2010gracilis tendon graft for revision ACL reconstruction.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Level II, prospective comparative study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2016.03.020","type":"journal-article","created":{"date-parts":[[2016,5,18]],"date-time":"2016-05-18T10:09:02Z","timestamp":1463566142000},"page":"2308-2317","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":58,"title":["Anterior Cruciate Ligament Revision Surgery: Ipsilateral Quadriceps Versus Contralateral Semitendinosus\u2010Gracilis 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