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Keywords used in the search included: \u201cmedial patellofemoral ligament\u201d and \u201creconstruction\u201d. After screening based on inclusion and exclusion criteria, patient demographics, graft type, outcomes, and complications were extracted. Methodological Index for Non\u2010Randomized Studies criteria were used to assess the quality of each included study.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Eleven studies were included, comprising data from 226 patients with mean follow up ranging from 12 to 38 months. All reconstructions used a superficial \u201cswing\u2010down\u201d quadriceps tendon autograft fixed at 20\u201030 degrees of knee flexion where reported. Eight of eleven studies reported significant improvement in patient reported outcomes such as Kujala score, Lysholm score, and Tegner score. The mean preoperative Kujala score ranged from 35.8 to 82.1 (167 patients), while the mean postoperative Kujala score ranged from 88.4 to 94.8 (197 patients). The mean of the preoperative Lysholm score ranged from 43.3 to 79.3 (77 patients), while the mean of the postoperative Lysholm score ranged from 81.9 to 90.9 (99 patients). The I\n                      <jats:sup>2<\/jats:sup>\n                      statistic for Lysholm and Kujala scores was 94% and 97%, respectively. Across data reported on 194 patients, there was no incidence of patellar redislocation, patellar fracture, or graft site morbidity.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>The quadriceps tendon produced improved clinical outcomes with low rates of recurrent postoperative patellar dislocation. These data suggest that the quadriceps tendon remains a suitable alternative for MPFL reconstruction and should remain part of the arsenal of knee ligament surgeons.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>Systematic review of Level III and IV studies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2021.04.048","type":"journal-article","created":{"date-parts":[[2021,5,5]],"date-time":"2021-05-05T02:23:29Z","timestamp":1620181409000},"page":"3187-3197","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":24,"title":["The Superficial \u201cSwing\u2010Down\u201d Quadriceps Tendon Autograft Is a Viable Option for Medial Patellofemoral Ligament Reconstruction: A Systematic Review"],"prefix":"10.1002","volume":"37","author":[{"given":"Olumide","family":"Olotu","sequence":"first","affiliation":[{"name":"MACSports Research Program McMaster University Hamilton Ontario Canada"},{"name":"School of Medicine St. George\u2019s University True Blue Grenada West Indies"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ali","family":"Siddiqui","sequence":"additional","affiliation":[{"name":"MACSports Research Program McMaster University Hamilton Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Devin","family":"Peterson","sequence":"additional","affiliation":[{"name":"Department of Surgery Division of Orthopaedic Surgery McMaster University Hamilton Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Darren","family":"de SA","sequence":"additional","affiliation":[{"name":"Department of Surgery Division of Orthopaedic Surgery McMaster University Hamilton Ontario Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2021,5,4]]},"reference":[{"key":"e_1_2_7_2_2","doi-asserted-by":"publisher","DOI":"10.1097\/BLO.0b013e31802eb40a"},{"key":"e_1_2_7_3_2","doi-asserted-by":"publisher","DOI":"10.1053\/jars.2001.21490"},{"key":"e_1_2_7_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2018.11.071"},{"key":"e_1_2_7_5_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301\u2010620x.85b6.13730"},{"key":"e_1_2_7_6_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.arthro.2020.05.014"},{"key":"e_1_2_7_7_2","doi-asserted-by":"publisher","DOI":"10.1177\/2325967119855023"},{"key":"e_1_2_7_8_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301\u2010620X.95B7.31417"},{"key":"e_1_2_7_9_2","unstructured":"International Quadriceps Tendon Interest Grouphttp:\/\/iqti.org\/. 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