{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,12]],"date-time":"2026-10-12T12:20:31Z","timestamp":1791807631769,"version":"4.3.4"},"reference-count":30,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2019,8,4]],"date-time":"2019-08-04T00:00:00Z","timestamp":1564876800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["HIP International"],"published-print":{"date-parts":[[2021,3]]},"abstract":"<jats:sec>\n                    <jats:title>Introduction:<\/jats:title>\n                    <jats:p>In situ fixation (ISF) is currently still the \u2018gold standard\u2019 treatment for slipped capital femoral epiphysis (SCFE) and has shown acceptable results at mid-term follow-up. This study aims to evaluate functional, clinical and radiographic long-term outcomes after this procedure.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>We reviewed 64 SCFE patients (76 SCFE hips) treated with ISF between 1983 and 1998. 82.9% were stable hips and 17.1% unstable according to Loder\u2019s definition. Initial radiographs demonstrated a mild slip in 50%, moderate in 41.3% and severe in 8.7% based on the Southwick angle. Long-term outcomes were assessed using the modified Harris Hip Score (mHHS), University of California at Los Angeles (UCLA) and Tegner activity scores, visual analogue scale (VAS) pain, VAS function, flexion-adduction-internal rotation (FADIR) test, extent of internal-rotation at 90\u00b0 of hip flexion and T\u00f6nnis classification for hip osteoarthritis (OA).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>10 (15.6%) SCFE hips were converted to a total hip replacement (THR) after a mean of 16\u2009years. 38 (59.4%) patients underwent a clinical and radiographic examination after a mean follow-up of 23 (range 18\u201333) years. 12 (18.8%) patients were lost to follow-up. 74% of SCFE hips demonstrated degenerative change on radiography or were converted to THR (T\u00f6nnis 1: 33.3%, 2: 18.5%, 3 or THR: 22.2%). There were 3 cases of avascular necrosis (AVN) all in unstable hips. Mean mHHS was 86.8\/100, UCLA activity score 7.5\/10, Tegner activity score 3.8\/10, VAS pain 1.7\/10 and VAS function 1.5\/10. 20% of SCFE hips were found to have a positive FADIR-test and a limited internal-rotation of 19.7\u00b0 versus 36.1\u00b0 ( p &lt; 0.001) in contralateral normal hips.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Discussion:<\/jats:title>\n                    <jats:p>This long-term follow-up study of ISF for SCFE shows that although complication rates in terms of AVN are low, a high number of patients become symptomatic and have a limited function. Degenerative changes are common with 22.2% of hips developing end-stage hip OA (T\u00f6nnis 3 or THR). It is important that patients and parents are informed about these risks.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/1120700019867248","type":"journal-article","created":{"date-parts":[[2019,8,5]],"date-time":"2019-08-05T01:16:42Z","timestamp":1564967802000},"page":"264-271","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Degenerative changes of the hip following\n                    <i>in situ<\/i>\n                    fixation for slipped capital femoral epiphysis: a minimum 18-year follow-up study"],"prefix":"10.1177","volume":"31","author":[{"given":"Stijn","family":"Ghijselings","sequence":"first","affiliation":[{"name":"Orthopaedic Department, University Hospitals Leuven - Pellenberg, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jeroen","family":"Touquet","sequence":"additional","affiliation":[{"name":"Orthopaedic Department, University Hospitals Leuven - Pellenberg, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nicolas","family":"Himpe","sequence":"additional","affiliation":[{"name":"Orthopaedic Department, University Hospitals Leuven - Pellenberg, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jean-Pierre","family":"Simon","sequence":"additional","affiliation":[{"name":"Orthopaedic Department, University Hospitals Leuven - Pellenberg, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kristoff","family":"Corten","sequence":"additional","affiliation":[{"name":"Orthopaedic Department, ZOL Genk, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Pierre","family":"Moens","sequence":"additional","affiliation":[{"name":"Orthopaedic Department, University Hospitals Leuven - Pellenberg, Belgium"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2019,8,4]]},"reference":[{"key":"bibr1-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1080\/000164700317393367"},{"key":"bibr2-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.87B7.15203"},{"key":"bibr3-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1097\/01202412-200607000-00001"},{"key":"bibr4-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-011-1278-7"},{"key":"bibr5-1120700019867248","doi-asserted-by":"publisher","DOI":"10.5435\/00124635-200611000-00010"},{"key":"bibr6-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1007\/s11832-012-0397-z"},{"key":"bibr7-1120700019867248","doi-asserted-by":"publisher","DOI":"10.3109\/17453674.2014.957078"},{"key":"bibr8-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1097\/01202412-199605030-00003"},{"key":"bibr9-1120700019867248","doi-asserted-by":"publisher","DOI":"10.5301\/hipint.5000189"},{"key":"bibr10-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1051\/sicotj\/2017018"},{"key":"bibr11-1120700019867248","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-199274060-00002"},{"key":"bibr12-1120700019867248","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-195436030-00009"},{"key":"bibr13-1120700019867248","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-199308000-00002"},{"key":"bibr14-1120700019867248","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-196749050-00001"},{"key":"bibr15-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2015.10.016"},{"key":"bibr16-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-009-0841-7"},{"key":"bibr17-1120700019867248","doi-asserted-by":"publisher","DOI":"10.3928\/01477447-20180711-07"},{"key":"bibr18-1120700019867248","first-page":"444","volume":"116","author":"T\u00f6nnis D.","year":"1978","journal-title":"Z Orthop Ihre Grenzgeb"},{"key":"bibr19-1120700019867248","unstructured":"IBM SPSS statistics for windows\n                      [computer program]. Version 24.0. Armonk, NY: IBM Corp. 2016."},{"key":"bibr20-1120700019867248","unstructured":"R\n                      [computer program]. Version 3.5.1. Vienna, Austria: R Core Team, 2017."},{"key":"bibr21-1120700019867248","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-198163010-00011"},{"key":"bibr22-1120700019867248","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-199173050-00004"},{"key":"bibr23-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1097\/BPO.0b013e3181b2b3a3"},{"key":"bibr24-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1097\/BPO.0b013e318246efcb"},{"key":"bibr25-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1007\/s11832-016-0759-z"},{"key":"bibr26-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1136\/annrheumdis-2012-201643"},{"key":"bibr27-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1097\/BPO.0b013e318281519a"},{"key":"bibr28-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1097\/BPO.0b013e318259f2d1"},{"key":"bibr29-1120700019867248","first-page":"20","volume":"13","author":"Erard MC","year":"2004","journal-title":"J Surg Orthop Adv"},{"key":"bibr30-1120700019867248","doi-asserted-by":"publisher","DOI":"10.1097\/01.bpo.0000194696.83526.6d"}],"container-title":["HIP International"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1120700019867248","content-type":"application\/pdf","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/full-xml\/10.1177\/1120700019867248","content-type":"application\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/journals.sagepub.com\/doi\/pdf\/10.1177\/1120700019867248","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T08:21:22Z","timestamp":1777450882000},"score":1,"resource":{"primary":{"URL":"https:\/\/journals.sagepub.com\/doi\/10.1177\/1120700019867248"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2019,8,4]]},"references-count":30,"journal-issue":{"issue":"2","published-print":{"date-parts":[[2021,3]]}},"alternative-id":["10.1177\/1120700019867248"],"URL":"https:\/\/doi.org\/10.1177\/1120700019867248","relation":{},"ISSN":["1120-7000","1724-6067"],"issn-type":[{"value":"1120-7000","type":"print"},{"value":"1724-6067","type":"electronic"}],"subject":[],"published":{"date-parts":[[2019,8,4]]}}}