{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,2]],"date-time":"2026-06-02T00:49:56Z","timestamp":1780361396528,"version":"3.54.1"},"reference-count":45,"publisher":"Ovid Technologies (Wolters Kluwer Health)","issue":"3","content-domain":{"domain":["lww.com","ovid.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2023,5]]},"abstract":"<jats:p>A systematic review of studies reporting outcomes after Dega transiliac pelvic osteotomy (DO) in developmental dysplasia of the hip (DDH) was carried out with a meta-analysis of the pre- and postoperative acetabular index (AI) values. The MEDLINE, ClinicalKey, PubMed, and Cochrane Library databases were searched for articles published up to April 2020 (keywords: Dega, Dega osteotomy, Dega acetabuloplasty, Dega transiliac, and Dega acetabular). The reference lists of reviewed articles were manually searched. Three hundred and seventy-two articles were identified; 23 met the inclusion criteria. The difference between pre- and postoperative AI values were reported in 19 studies (636 hips); the average postoperative AI value was \u226420\u00b0 in 16\/19. Ten studies were included in the meta-analysis. The overall difference between the mean pre- and postoperative AI was 22.5\u00b0 (95% confidence interval 20.2\u201324.8\u00b0). The average postoperative center-edge angle was reported in 14\/23 studies (480 hips) and was normative (\u226520\u00b0). Hips were assessed using the Severin classification in 11\/23 studies; 81.7% of 410 hips were Severin class I\u2013II. The clinical outcome quantified following McKay\/Berkeley or other criteria in nine studies (512 hips) was good or very good in 84.8% of hips at follow-up. The incidence of avascular necrosis (AVN) of the femoral head was 18.9% (19 studies, 856 hips). The cumulative rate of reoperation of 5.8% was reported in 14 studies. DO ensures adequate correction of radiological parameters in DDH, and facilitates a good clinical outcome with low incidences of AVN and reoperation risk. Level of evidence: IV.<\/jats:p>","DOI":"10.1097\/bpb.0000000000000784","type":"journal-article","created":{"date-parts":[[2020,9,15]],"date-time":"2020-09-15T18:51:04Z","timestamp":1600195864000},"page":"211-220","update-policy":"https:\/\/doi.org\/10.1097\/lww.0000000000001000","source":"Crossref","is-referenced-by-count":5,"title":["Dega transiliac pelvic osteotomy for developmental hip dysplasia: a systematic review"],"prefix":"10.1097","volume":"32","author":[{"given":"\u0141ukasz","family":"Wo\u017aniak","sequence":"first","affiliation":[{"name":"Department of Pediatric Orthopaedics and Traumatology, Poznan University of Medical Sciences (Dega Hospital), Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Maciej","family":"Idzior","sequence":"additional","affiliation":[{"name":"Department of Pediatric Orthopaedics and Traumatology, Poznan University of Medical Sciences (Dega Hospital), Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Marek","family":"J\u00f3\u017awiak","sequence":"additional","affiliation":[{"name":"Department of Pediatric Orthopaedics and Traumatology, Poznan University of Medical Sciences (Dega Hospital), Poznan, Poland"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"276","published-online":{"date-parts":[[2022,9,11]]},"reference":[{"key":"R1-20250526","first-page":"1052","article-title":"Evolution of the term and definition of dysplasia of the hip - a review of the literature.","volume":"11","author":"Musielak","year":"2015","journal-title":"Arch Med Sci"},{"key":"R3-20250526","doi-asserted-by":"crossref","first-page":"518","DOI":"10.1302\/0301-620X.43B3.518","article-title":"Innominate osteotomy in the treatment of congenital dislocation and subluxation of the hip.","volume":"43","author":"Salter","year":"1961","journal-title":"J Bone Joint 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