{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,26]],"date-time":"2026-09-26T10:52:13Z","timestamp":1790419933270,"version":"4.1.0"},"reference-count":25,"publisher":"Elsevier BV","issue":"8","license":[{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"},{"start":{"date-parts":[[2022,12,1]],"date-time":"2022-12-01T00:00:00Z","timestamp":1669852800000},"content-version":"vor","delay-in-days":365,"URL":"http:\/\/www.elsevier.com\/open-access\/userlicense\/1.0\/"},{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-017"},{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-037"},{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-012"},{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-029"},{"start":{"date-parts":[[2021,12,1]],"date-time":"2021-12-01T00:00:00Z","timestamp":1638316800000},"content-version":"stm-asf","delay-in-days":0,"URL":"https:\/\/doi.org\/10.15223\/policy-004"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Orthopaedics &amp; Traumatology: Surgery &amp; Research"],"published-print":{"date-parts":[[2021,12]]},"DOI":"10.1016\/j.otsr.2021.103078","type":"journal-article","created":{"date-parts":[[2021,9,27]],"date-time":"2021-09-27T10:09:17Z","timestamp":1632737357000},"page":"103078","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":21,"title":["Periacetabular osteotomy for acetabular retroversion: A systematic review and meta-analysis"],"prefix":"10.1016","volume":"107","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0075-7890","authenticated-orcid":false,"given":"Si Heng Sharon","family":"Tan","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4783-8252","authenticated-orcid":false,"given":"Joelle Hwee Inn","family":"Tan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Andrew Kean Seng","family":"Lim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"James Hoipo","family":"Hui","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"78","reference":[{"key":"10.1016\/j.otsr.2021.103078_bib0130","doi-asserted-by":"crossref","first-page":"26","DOI":"10.1097\/00003086-198807000-00006","article-title":"A new periacetabular osteotomy for the treatment of hip dysplasias. Technique and preliminary results","author":"Ganz","year":"1988","journal-title":"Clin Orthop Relat Res"},{"key":"10.1016\/j.otsr.2021.103078_bib0135","doi-asserted-by":"crossref","first-page":"2041","DOI":"10.1007\/s11999-009-0842-6","article-title":"Periacetabular osteotomy: a systematic literature review","volume":"467","author":"Clohisy","year":"2009","journal-title":"Clin Orthop Relat Res"},{"key":"10.1016\/j.otsr.2021.103078_bib0140","doi-asserted-by":"crossref","first-page":"3342","DOI":"10.1007\/s11999-012-2516-z","article-title":"Patient selection criteria for periacetabular osteotomy or rotational acetabular osteotomy","volume":"470","author":"Yasunaga","year":"2012","journal-title":"Clin Orthop Relat Res"},{"key":"10.1016\/j.otsr.2021.103078_bib0145","doi-asserted-by":"crossref","first-page":"4","DOI":"10.1177\/1120700019871195","article-title":"Complications and outcome after periacetabular osteotomy - influence of surgical approach","volume":"30","author":"Ali","year":"2020","journal-title":"Hip Int"},{"key":"10.1016\/j.otsr.2021.103078_bib0150","doi-asserted-by":"crossref","first-page":"281","DOI":"10.1302\/0301-620X.81B2.0810281","article-title":"Retroversion of the acetabulum. A cause of hip pain","volume":"81","author":"Reynolds","year":"1999","journal-title":"J Bone Joint Surg Br."},{"key":"10.1016\/j.otsr.2021.103078_bib0155","doi-asserted-by":"crossref","first-page":"953","DOI":"10.1016\/j.arthro.2017.09.013","article-title":"Should acetabular retroversion be treated arthroscopically? A systematic review of open versus arthroscopic techniques","volume":"34","author":"Litrenta","year":"2018","journal-title":"Arthroscopy"},{"key":"10.1016\/j.otsr.2021.103078_bib0160","doi-asserted-by":"crossref","first-page":"1176","DOI":"10.1016\/j.arthro.2019.11.122","article-title":"Surgical outcomes in the treatment of concomitant mild acetabular dysplasia and femoroacetabular impingement: a systematic review","volume":"36","author":"Tang","year":"2020","journal-title":"Arthroscopy"},{"key":"10.1016\/j.otsr.2021.103078_bib0165","doi-asserted-by":"crossref","first-page":"181","DOI":"10.1177\/0363546519887737","article-title":"Spinopelvic characteristics in acetabular retroversion: does pelvic tilt change after periacetabular osteotomy?","volume":"48","author":"Grammatopoulos","year":"2020","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.otsr.2021.103078_bib0170","doi-asserted-by":"crossref","first-page":"672","DOI":"10.1177\/0363546515620382","article-title":"Midterm outcomes of reverse (anteverting) periacetabular osteotomy in patients with hip impingement secondary to acetabular retroversion","volume":"44","author":"Parry","year":"2016","journal-title":"Am J Sports Med"},{"key":"10.1016\/j.otsr.2021.103078_bib0175","doi-asserted-by":"crossref","first-page":"10","DOI":"10.3928\/01477447-20101123-07","article-title":"An algorithmic approach to surgical decision making in acetabular retroversion","volume":"34","author":"Peters","year":"2011","journal-title":"Orthopedics"},{"key":"10.1016\/j.otsr.2021.103078_bib0180","doi-asserted-by":"crossref","first-page":"278","DOI":"10.2106\/00004623-200302000-00015","article-title":"Anterior femoro-acetabular impingement due to acetabular retroversion. Treatment with periacetabular osteotomy","volume":"85","author":"Siebenrock","year":"2003","journal-title":"J Bone Joint Surg Am"},{"key":"10.1016\/j.otsr.2021.103078_bib0185","doi-asserted-by":"crossref","first-page":"1785","DOI":"10.2106\/JBJS.M.00842","article-title":"Anteverting periacetabular osteotomy for symptomatic acetabular retroversion: results at ten years","volume":"96","author":"Siebenrock","year":"2014","journal-title":"J Bone Joint Surg Am"},{"key":"10.1016\/j.otsr.2021.103078_bib0190","article-title":"Functional acetabular retroversion syndrome: description of a specific sub-type of FAI and results of treatment with minimally invasive PAO","author":"Wyatt","year":"2019","journal-title":"Hip Int"},{"key":"10.1016\/j.otsr.2021.103078_bib0195","doi-asserted-by":"crossref","first-page":"1138","DOI":"10.1007\/s11999-016-5177-5","article-title":"Periacetabular osteotomy provides higher survivorship than rim trimming for acetabular retroversion","volume":"475","author":"Zurm\u00fchle","year":"2017","journal-title":"Clin Orthop Relat Res"},{"key":"10.1016\/j.otsr.2021.103078_bib0200","doi-asserted-by":"crossref","first-page":"712","DOI":"10.1046\/j.1445-2197.2003.02748.x","article-title":"Methodological index for non-randomized studies (minors): development and validation of a new instrument","volume":"73","author":"Slim","year":"2003","journal-title":"ANZ J Surg"},{"key":"10.1016\/j.otsr.2021.103078_bib0205","series-title":"Systematic reviews in health care: meta-analysis in context,","first-page":"285","article-title":"Statistical methods for examining heterogeneity and combining results from several studies in meta-analysis","author":"Deeks","year":"2001"},{"key":"10.1016\/j.otsr.2021.103078_bib0210","doi-asserted-by":"crossref","first-page":"121","DOI":"10.1177\/096228029300200202","article-title":"The statistical basis of meta-analysis","volume":"2","author":"Fleiss","year":"1993","journal-title":"Stat Methods Med Res"},{"key":"10.1016\/j.otsr.2021.103078_bib0215","doi-asserted-by":"crossref","first-page":"557","DOI":"10.1136\/bmj.327.7414.557","article-title":"Measuring inconsistency in meta-analyses","volume":"327","author":"Higgins","year":"2003","journal-title":"Br Med J"},{"key":"10.1016\/j.otsr.2021.103078_bib0220","doi-asserted-by":"crossref","first-page":"1539","DOI":"10.1002\/sim.1186","article-title":"Quantifying heterogeneity in a meta-analysis","volume":"21","author":"Higgins","year":"2002","journal-title":"Stat Med"},{"key":"10.1016\/j.otsr.2021.103078_bib0225","series-title":"Meta-analysis of controlled clinical trials","author":"Whitehead","year":"2002"},{"key":"10.1016\/j.otsr.2021.103078_bib0230","doi-asserted-by":"crossref","first-page":"457","DOI":"10.1080\/01621459.1958.10501452","article-title":"Nonparametric estimation from incomplete observations","volume":"53","author":"Kaplan","year":"1958","journal-title":"J Am Stat Assoc"},{"issue":"6","key":"10.1016\/j.otsr.2021.103078_bib0235","doi-asserted-by":"crossref","first-page":"1540","DOI":"10.2214\/AJR.06.0921","article-title":"Femoroacetabular impingement: radiographic diagnosis\u2013what the radiologist should know","volume":"188","author":"Tannast","year":"2007","journal-title":"AJR Am J Roentgenol"},{"issue":"3","key":"10.1016\/j.otsr.2021.103078_bib0240","doi-asserted-by":"crossref","first-page":"280","DOI":"10.1093\/jhps\/hnv041","article-title":"Discrepancies in measuring acetabular coverage: revisiting the anterior and lateral center edge angles","volume":"2","author":"Hanson","year":"2015","journal-title":"J Hip Preserv Surg"},{"issue":"10","key":"10.1016\/j.otsr.2021.103078_bib0245","doi-asserted-by":"crossref","first-page":"1273","DOI":"10.1007\/s00256-012-1420-7","article-title":"Normal values of Wiberg's lateral center-edge angle and Lequesne's acetabular index\u2013a coxometric update","volume":"41","author":"Werner","year":"2012","journal-title":"Skelet Radiol"},{"key":"10.1016\/j.otsr.2021.103078_bib0250","doi-asserted-by":"crossref","first-page":"205","DOI":"10.1097\/01.sla.0000133083.54934.ae","article-title":"Classification of surgical complications: a new proposal with evaluation in a cohort of 6336 patients and results of a survey","volume":"240","author":"Dindo","year":"2004","journal-title":"Ann Surg"}],"container-title":["Orthopaedics &amp; Traumatology: Surgery &amp; Research"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1877056821003236?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S1877056821003236?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,10,30]],"date-time":"2025-10-30T03:48:02Z","timestamp":1761796082000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S1877056821003236"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2021,12]]},"references-count":25,"journal-issue":{"issue":"8","published-print":{"date-parts":[[2021,12]]}},"alternative-id":["S1877056821003236"],"URL":"https:\/\/doi.org\/10.1016\/j.otsr.2021.103078","relation":{},"ISSN":["1877-0568"],"issn-type":[{"value":"1877-0568","type":"print"}],"subject":[],"published":{"date-parts":[[2021,12]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Periacetabular osteotomy for acetabular retroversion: A systematic review and meta-analysis","name":"articletitle","label":"Article Title"},{"value":"Orthopaedics & Traumatology: Surgery & Research","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1016\/j.otsr.2021.103078","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"\u00a9 2021 Elsevier Masson SAS.","name":"copyright","label":"Copyright"}],"article-number":"103078"}}