{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T12:19:55Z","timestamp":1792498795432,"version":"4.5.0"},"reference-count":37,"publisher":"Wiley","issue":"3","license":[{"start":{"date-parts":[[2024,2,22]],"date-time":"2024-02-22T00:00:00Z","timestamp":1708560000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Knee surg. sports traumatol. arthrosc."],"published-print":{"date-parts":[[2024,3]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Purpose<\/jats:title><jats:p>Patellofemoral instability (PFI) is a common condition that can be caused from multiple factors, including lower limb rotational malalignments. Determining precise criteria for performing corrective torsional osteotomy can be a daunting task due to the lack of consensus on normal and excessive values\u00a0and the limited evidence\u2010based data in the postoperative results. The purpose was to assess the clinical, functional\u00a0and imaging outcomes following derotational distal femoral osteotomy (DDFO) in patients with PFI and\/or anterior knee pain (AKP) associated with lower limb rotational malalignments.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Searches were conducted on PubMed, EMBASE\u00a0and Web of Science databases up to October 2023. Studies reporting outcomes after DDFO in patients with PFI and\/or AKP were eligible for the systematic review. The primary outcome was imaging metrics, especially femoral anteversion. Secondary outcomes included the patient\u2010reported outcome measures (PROMs) (clinical and functional). Quantitative synthesis involved the use of weighted averages to calculate pre\u2010 to postoperative mean differences (MD) and compare them against the minimal clinically important difference (MCID).<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Ten studies (309 knees) were included with a mean follow\u2010up of 36.1\u2009\u00b1\u200911.7 months. Imaging outcomes consistently indicated the correction of femoral anteversion (MD\u2009=\u2009\u221219.4 degrees, 95% confidence interval: \u221220.1 to \u221218.7) following DDFO. PROMs\u00a0showed significant improvements in most studies, exceeding the MCID. Patient satisfaction with the DDFO was high (93.3%).<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>The DDFO was an effective treatment option for correcting excessive femoral anteversion in patients with PFI associated with clinically relevant functional and clinical improvement\u00a0and a high satisfaction rate.<\/jats:p><\/jats:sec><jats:sec><jats:title>Level of Evidence<\/jats:title><jats:p>Level IV, systematic review of level II\u2013IV studies.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ksa.12097","type":"journal-article","created":{"date-parts":[[2024,2,22]],"date-time":"2024-02-22T09:49:54Z","timestamp":1708595394000},"page":"713-724","source":"Crossref","is-referenced-by-count":19,"title":["Derotational distal femoral osteotomy corrects excessive femoral anteversion in patients with patellofemoral instability: A systematic review"],"prefix":"10.1002","volume":"32","author":[{"given":"Ricardo","family":"Ribeiro","sequence":"first","affiliation":[{"name":"School of Medicine Minho University Braga Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Eluana","family":"Gomes","sequence":"additional","affiliation":[{"name":"Cl\u00ednica Espregueira\u2010FIFA Medical Centre of Excellence Porto Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"B\u00e1rbara","family":"Ferreira","sequence":"additional","affiliation":[{"name":"School of Medicine Minho University Braga Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"In\u00eas","family":"Figueiredo","sequence":"additional","affiliation":[{"name":"School of Medicine Minho University Braga Portugal"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Cristina","family":"Valente","sequence":"additional","affiliation":[{"name":"Cl\u00ednica Espregueira\u2010FIFA Medical Centre of 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