{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,11,1]],"date-time":"2026-11-01T16:04:00Z","timestamp":1793549040083,"version":"4.5.0"},"reference-count":51,"publisher":"Wiley","issue":"5","license":[{"start":{"date-parts":[[2023,2,8]],"date-time":"2023-02-08T00:00:00Z","timestamp":1675814400000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"},{"start":{"date-parts":[[2023,2,8]],"date-time":"2023-02-08T00:00:00Z","timestamp":1675814400000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/doi.wiley.com\/10.1002\/tdm_license_1.1"},{"start":{"date-parts":[[2023,2,8]],"date-time":"2023-02-08T00:00:00Z","timestamp":1675814400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2023,2,8]],"date-time":"2023-02-08T00:00:00Z","timestamp":1675814400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["arthroscopyjournal.org","clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Arthroscopy"],"published-print":{"date-parts":[[2023,5]]},"abstract":"<jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>To review the incidence of complications following primary medial patellofemoral ligament (MPFL) reconstruction for recurrent patellar instability.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A literature search was conducted by querying PubMed and Scopus databases from database inception through August 2022 according to the 2020 Preferred Reporting Items for Systematic Review and Meta\u2010analysis guidelines using the terms \u201cMedial Patellofemoral Ligament,\u201d \u201cMPFL,\u201d \u201creconstruction,\u201d \u201cpatellar,\u201d and \u201cinstability.\u201d Inclusion criteria included studies reporting complications following primary MPFL reconstruction for recurrent patellar instability. Exclusion criteria consisted of studies reporting on patients undergoing concurrent osteotomy procedures, revision reconstruction, and biomechanical or anatomic studies. The incidence of specific complications was aggregated from the included studies.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>Twenty\u2010eight studies, consisting of 1,478 patients (n\u00a0= 1521 knees), with a mean age of 23.3 years (mean range, 19\u201034.3 years) were identified. The overall incidence of complications ranged from 0% to 32.3% of knees. Failure ranged from 0% to 10.7% of knees, whereas patellar fractures occurred in 0% to 8.3% of knees, primarily in patients treated with full\u2010length transverse tunnel or 2\u2010tunnel techniques. All patellar fractures occurred in patients with patellar tunnels ranging from 4.5 to 6.0 mm in diameter. The incidence of postoperative knee stiffness\/range of motion deficit ranged from 0% to 20%. Persistent anterior knee pain, ranged from 0% to 32.3%.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Complications following primary MPFL reconstruction ranged from 0% to 32.3% of knees, primarily consisting of residual anterior knee pain. Failure ranged from 0% to 10.7% of knees, whereas patellar fractures were reported in 0% to 8.3% of knees. Fractures primarily occurred with a full\u2010length transverse tunnel or 2\u2010tunnel techniques, whereas all fractures occurred with patellar tunnels ranging from 4.5 mm to 6.0 mm in diameter.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence<\/jats:title>\n                    <jats:p>IV; Systematic Review of Level I\u2010IV studies.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1016\/j.arthro.2023.01.098","type":"journal-article","created":{"date-parts":[[2023,2,9]],"date-time":"2023-02-09T03:15:32Z","timestamp":1675912532000},"page":"1345-1356","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":72,"title":["Complication Rates After Medial Patellofemoral Ligament Reconstruction Range From 0% to 32% With 0% to 11% Recurrent Instability: A Systematic Review"],"prefix":"10.1002","volume":"39","author":[{"given":"Garrett R.","family":"Jackson","sequence":"first","affiliation":[{"name":"Department of Orthopaedic Surgery Rush University Medical Center Chicago Illinois U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Trevor","family":"Tuthill","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Rush University Medical Center Chicago Illinois U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Varun","family":"Gopinatth","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Rush University Medical Center Chicago Illinois U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Enzo S.","family":"Mameri","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Rush University Medical Center Chicago Illinois U.S.A."},{"name":"Instituto Brasil de Tecnologia da Sa\u00fade Rio de Janeiro Brazil"},{"name":"Department of Orthopedics and Traumatology Federal University of S\u00e3o Paulo (EPM\u2010UNIFESP) S\u00e3o Paulo Brazil"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Harkirat","family":"Jawanda","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Rush University Medical Center Chicago Illinois U.S.A."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Joan","family":"Sugra\u00f1es","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Rush University Medical Center Chicago Illinois U.S.A."},{"name":"Department of Orthopaedic Surgery Hospital de La Santa Creu I Sant Pau Universitat Autonoma de Barcelona Barcelona Spain"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shaan","family":"Asif","sequence":"additional","affiliation":[{"name":"Department of Orthopaedic Surgery Rush University Medical Center Chicago Illinois 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