{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,20]],"date-time":"2025-10-20T00:23:06Z","timestamp":1760919786958,"version":"build-2065373602"},"reference-count":21,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2013,2,7]],"date-time":"2013-02-07T00:00:00Z","timestamp":1360195200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2013,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>To assess the long\u2010term results of lateral facetectomy plus Insall\u2019s realignment procedure to treat isolated patellofemoral osteoarthritis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>All consecutive patients undergoing this procedure with a follow\u2010up between 10 and 14 years were included in this study. Subjects were excluded if they had previous patellar dislocation, patellar fracture, tibiofemoral osteoarthritis (except mild cases) or follow\u2010up &lt;10 or &gt;14 years. Failure cases (need for total knee arthroplasty) of this surgical procedure before 10 years of follow\u2010up were considered in the overall failure rate. Clinical, functional and radiographic outcomes were obtained at baseline and compared to postoperative values.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Forty\u2010three patients (mean (SD) age 59.7 (8.1) years) had a follow\u2010up between 10 and 14 years and were finally included in this study. The failure rate in the whole series and included patients was 26.4 and 16.3 %, respectively, for a mean (SD) follow\u2010up of 9.2 (3.2) years and 11.7 (1.4) years, respectively. Patellofemoral pain (<jats:italic>p<\/jats:italic> &lt; 0.0001), need for NSAIDs (<jats:italic>p<\/jats:italic> &lt; 0.0001), longitudinal (<jats:italic>p<\/jats:italic> &lt; 0.0001) and transversal (<jats:italic>p<\/jats:italic> &lt; 0.0001) patellar glide tests, Zholen\u2019s sign (<jats:italic>p<\/jats:italic> = 0.0007) and knee effusion (<jats:italic>p<\/jats:italic> = 0.02) significantly improved in the follow\u2010up. Postoperative Knee Society Score (KSS) anatomical (<jats:italic>p<\/jats:italic> &lt; 0.0001), functional (<jats:italic>p<\/jats:italic> &lt; 0.0001) and total (<jats:italic>p<\/jats:italic> &lt; 0.0001) scores and Kujala\u2019s score (<jats:italic>p<\/jats:italic> = 0.001) were significantly higher compared to preoperative values. The patellar tilt (<jats:italic>p<\/jats:italic> = 0.001) and shift (<jats:italic>p<\/jats:italic> = 0.04) significantly improved postoperatively, whereas the patellofemoral osteoarthritis was not modified (n.s.) with respect to preoperative assessment.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The lateral facetectomy plus Insall\u2019s realignment procedure was a successful treatment for isolated patellofemoral osteoarthritis from a clinical, functional and radiographic point of view in the long\u2010term follow\u2010up.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of evidence<\/jats:title><jats:p>Prospective case series, Level IV.<\/jats:p><\/jats:sec>","DOI":"10.1007\/s00167-013-2431-1","type":"journal-article","created":{"date-parts":[[2013,2,5]],"date-time":"2013-02-05T23:30:47Z","timestamp":1360107047000},"page":"2572-2577","source":"Crossref","is-referenced-by-count":16,"title":["Treatment of isolated patellofemoral osteoarthritis with lateral facetectomy plus Insall\u2019s realignment procedure: long\u2010term follow\u2010up"],"prefix":"10.1002","volume":"21","author":[{"given":"Ferran","family":"Montserrat","sequence":"first","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Hospital de l\u2019Esperan\u00e7a, Parc de Salut Mar, Universitat Autonoma de Barcelona Av. Sant Josep de la Muntanya, 12 6th floor 08024 Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Eduard","family":"Alentorn\u2010Geli","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Hospital de l\u2019Esperan\u00e7a, Parc de Salut Mar, Universitat Autonoma de Barcelona Av. Sant Josep de la Muntanya, 12 6th floor 08024 Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Vicens","family":"Le\u00f3n","sequence":"additional","affiliation":[{"name":"<!--<label>2<\/label>--> Department of Orthopaedic Surgery Hospital de la Vega Cieza, Murcia, Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alberto","family":"Gin\u00e9s\u2010Cespedosa","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Hospital de l\u2019Esperan\u00e7a, Parc de Salut Mar, Universitat Autonoma de Barcelona Av. Sant Josep de la Muntanya, 12 6th floor 08024 Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Pau","family":"Rigol","sequence":"additional","affiliation":[{"name":"<!--<label>1<\/label>--> Department of Orthopaedic Surgery Hospital de l\u2019Esperan\u00e7a, Parc de Salut Mar, Universitat Autonoma de Barcelona Av. Sant Josep de la Muntanya, 12 6th floor 08024 Barcelona Spain"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2013,2,7]]},"reference":[{"key":"e_1_2_7_2_2","doi-asserted-by":"publisher","DOI":"10.1007\/s11999\u2010007\u20100071\u20109"},{"key":"e_1_2_7_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0883\u20105403(06)80009\u20104"},{"key":"e_1_2_7_4_2","first-page":"317","article-title":"Patella infera. 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