{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T23:14:28Z","timestamp":1777677268084,"version":"3.51.4"},"reference-count":46,"publisher":"SAGE Publications","license":[{"start":{"date-parts":[[2017,11,9]],"date-time":"2017-11-09T00:00:00Z","timestamp":1510185600000},"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"],"abstract":"<jats:sec>\n                    <jats:title>Introduction<\/jats:title>\n                    <jats:p>Dual mobility (DM) total hip arthroplasty (THA) may reduce dislocation risk, but might increase the risk of high polyethylene (PE) wear due to double wearing surfaces.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>127 patients (97 female) with 129 hips operated with THA after displaced femoral neck fracture FNF between 2005 and 2011, were seen for a cross-sectional clinical follow-up. Acetabular components were Saturne\u00ae DM cups with 28mm chrome-cobalt heads in UHMWPE. Cementless cups (n = 73) were hydroxyapatite coated. Radiographs were obtained for analysis of cup placement, 2D polyethylene wear and wear-rate (PolyWare 3D), and further radiological evaluation. Activity measurements included Timed Up and Go test (TUG) and walking distance from Harris Hip Score (HHS).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>At a mean follow-up of 2.83 (1.0-7.7) years the mean wear was 0.82 mm (range 0.17-4.51, SD 0.50), and the wear-rate was 0.37 mm (range 0.06-1.90, SD 0.29). Wear-rate of 0.43 mm\/year (SD 0.30) in cementless cups was higher (p = 0.004) than 0.30 mm\/year (SD 0.27) in cemented cups. Mean age at time of surgery was 75.1 years (range 30-95). There was no correlation between age at time of surgery and wear (p = 0.56). There was no correlation between cup inclination and wear-rate (p = 0.35). TUG was mean 13.4 seconds (range 4.5-30.1) and correlated with wear rate (p = 0.03).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>At short term follow-up, the mean wear-rate in old and low demand patients was high, correlated to activity, and was above the generally accepted osteolysis threshold (0.1 mm\/yr.). Cementless HA-coated cups had higher wear-rate than cemented cups.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.5301\/hipint.5000540","type":"journal-article","created":{"date-parts":[[2017,10,2]],"date-time":"2017-10-02T04:44:58Z","timestamp":1506919498000},"update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Higher UHMWPE Wear-Rate in Cementless Compared with Cemented Cups with the Saturne\u00ae Dual-Mobility Acetabular System"],"prefix":"10.1177","author":[{"given":"Steffan","family":"Tabori-Jensen","sequence":"first","affiliation":[{"name":"Department of Orthopaedics, University Clinic for Hand, Hip and Knee Surgery, Hospital Unit West, Holstebro - Denmark"},{"name":"Department of Clinical Medicine, Aarhus University, Aarhus - Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Christina","family":"Fr\u00f8lich","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, University Clinic for Hand, Hip and Knee Surgery, Hospital Unit West, Holstebro - Denmark"},{"name":"Department of Clinical Medicine, Aarhus University, Aarhus - Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Torben B.","family":"Hansen","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, University Clinic for Hand, Hip and Knee Surgery, Hospital Unit West, Holstebro - Denmark"},{"name":"Department of Clinical Medicine, Aarhus University, Aarhus - Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S\u00f8ren","family":"B\u00f8vling","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, University Clinic for Hand, Hip and Knee Surgery, Hospital Unit West, Holstebro - Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Morten","family":"Homilius","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, University Clinic for Hand, Hip and Knee Surgery, Hospital Unit West, Holstebro - Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Maiken","family":"Stilling","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, University Clinic for Hand, Hip and Knee Surgery, Hospital Unit West, Holstebro - Denmark"},{"name":"Department of Clinical Medicine, Aarhus University, Aarhus - Denmark"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2017,11,9]]},"reference":[{"issue":"3","key":"bibr1-hipint.5000540","doi-asserted-by":"crossref","first-page":"270","DOI":"10.1007\/s11420-012-9287-7","volume":"8","author":"Cross MB","year":"2012","journal-title":"HSS J"},{"issue":"5","key":"bibr2-hipint.5000540","first-page":"514","volume":"74","author":"Bystr\u00f6m S","year":"2003","journal-title":"Femoral head size is a risk factor for total hip luxation: a study of 42,987 primary hip arthroplasties from the Norwegian Arthroplasty Register. 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