{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,1]],"date-time":"2026-05-01T23:09:28Z","timestamp":1777676968359,"version":"3.51.4"},"reference-count":30,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2021,5,24]],"date-time":"2021-05-24T00:00:00Z","timestamp":1621814400000},"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":[[2023,1]]},"abstract":"<jats:sec>\n                    <jats:title>Aims:<\/jats:title>\n                    <jats:p>To evaluate the long-term clinical outcomes of 2 cemented ultra-high molecular weight polyethylene (UHMWPE) acetabular components, with the main difference between the 2 components being their method of sterilisation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Patients and methods:<\/jats:title>\n                    <jats:p>Data was collected prospectively on 352 consecutive total hip replacements, performed between March 2000 and July 2004, at a single centre. A posterior approach was used with a cemented C-Stem femoral component (DePuy, Warsaw, IN, USA) in all cases and either the Ogee (DePuy, Warsaw, IN, USA) or the Opera (Smith &amp; Nephew, Memphis, TN, USA) acetabular implant. Patients were reviewed clinically and radiologically with a median 12-year follow-up (6\u201316 years).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>The risk of experiencing loosening was 90% lower for the Gamma irradiated implant (GII) group compared to the ethylene oxide sterilised implant (EOSI) group, which was statistically significant ( p = 0.003), (HR 0.10; 95% CI, 0.02\u20130.45). The incidence of cup revision was also lower in the GII group ( p = 0.029), but after adjustment for age, gender and BMI was not statistically significant ( p = 0.104). 15-year survivorship with failure\/loosening as an endpoint was 70.1% for the EOS implant and 92.9% for the GII (OR 4.99; CI 95%, 1.75\u201314.2) and with revision as an endpoint was 81.4% for the EOSI and 92.9% for the GII (OR 2.60; CI 95%, 0.87\u20137.75)<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions:<\/jats:title>\n                    <jats:p>We report increased rates of loosening, revision and failure for the EOSI compared to the GII at long-term follow-up. This may have been attributable to the different sterilisation methods used.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/11207000211018972","type":"journal-article","created":{"date-parts":[[2021,5,24]],"date-time":"2021-05-24T23:38:03Z","timestamp":1621899483000},"page":"87-93","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["The ethylene oxide sterilised Opera acetabular component demonstrates high rates of loosening and revision compared to the gamma irradiated Ogee cup: a cohort study demonstrating potential shortcomings of revision-based registry data"],"prefix":"10.1177","volume":"33","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2807-1965","authenticated-orcid":false,"given":"Kwaku W","family":"Baryeh","sequence":"first","affiliation":[{"name":"The Academic Surgical Unit, South West London Elective Orthopaedic Centre, Epsom General Hospital, Epsom, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kate","family":"Bennett","sequence":"additional","affiliation":[{"name":"Surrey Clinical Trials Unit and Clinical Research Facility, University of Surrey, Guildford, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"David H","family":"Sochart","sequence":"additional","affiliation":[{"name":"The Academic Surgical Unit, South West London Elective Orthopaedic Centre, Epsom General Hospital, Epsom, UK"},{"name":"The Department of Orthopaedic and Trauma Surgery, North Manchester General Hospital, Manchester, UK"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2021,5,24]]},"reference":[{"key":"bibr1-11207000211018972","doi-asserted-by":"publisher","DOI":"10.1016\/S0140-6736(07)60457-7"},{"key":"bibr2-11207000211018972","doi-asserted-by":"publisher","DOI":"10.3390\/ma10070791"},{"key":"bibr3-11207000211018972","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-011-2052-2"},{"key":"bibr4-11207000211018972","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-011-2150-1"},{"key":"bibr5-11207000211018972","doi-asserted-by":"publisher","DOI":"10.1007\/s002640050125"},{"key":"bibr6-11207000211018972","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199906000-00018"},{"key":"bibr7-11207000211018972","doi-asserted-by":"publisher","DOI":"10.3390\/ma12030495"},{"key":"bibr8-11207000211018972","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.16.00878"},{"key":"bibr9-11207000211018972","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.17.01221"},{"key":"bibr10-11207000211018972","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-011-1872-4"},{"key":"bibr11-11207000211018972","unstructured":"Orthopaedic Data Evaluation Panel. 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