{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,10]],"date-time":"2026-02-10T06:20:07Z","timestamp":1770704407230,"version":"3.49.0"},"reference-count":38,"publisher":"British Editorial Society of Bone & Joint Surgery","issue":"12","license":[{"start":{"date-parts":[[2013,12,1]],"date-time":"2013-12-01T00:00:00Z","timestamp":1385856000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/online.boneandjoint.org.uk\/TDM"}],"content-domain":{"domain":["online.boneandjoint.org.uk"],"crossmark-restriction":true},"short-container-title":["The Bone &amp; Joint Journal"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:p>Despite the worldwide usage of the cemented Contemporary acetabular component (Stryker), no published data are available regarding its use in patients aged &lt; 50 years. We undertook a mid- to long-term follow-up study, including all consecutive patients aged &lt; 50 years who underwent a primary total hip replacement using the Contemporary acetabular component with the Exeter cemented stem between January 1999 and January 2006. There were 152 hips in 126 patients, 61 men and 65 women, mean age at surgery 37.6 years (16 to 49 yrs). One patient was lost to follow-up.<\/jats:p><jats:p>Mean clinical follow-up of all implants was 7.6 years (0.9 to 12.0). All clinical questionnaire scores, including Harris hip score, Oxford hip score and several visual analogue scales, were found to have improved. The eight year survivorship of all acetabular components for the endpoints revision for any reason or revision for aseptic loosening was 94.4% (95% confidence interval (CI) 89.2 to 97.2) and 96.4% (95% CI 91.6 to 98.5), respectively. Radiological follow-up was complete for 146 implants. The eight year survival for the endpoint radiological loosening was 93.1% (95% CI 86.2 to 96.6). Three surviving implants were considered radiologically loose but were asymptomatic. The presence of acetabular osteolysis (n = 17, 11.8%) and radiolucent lines (n = 20, 13.9%) in the 144 surviving cups indicates a need for continued observation in the second decade of follow-up in order to observe their influence on long-term survival.<\/jats:p><jats:p>The clinical and radiological data resulting in a ten-year survival rate &gt; 90% in young patients support the use of the Contemporary acetabular component in this specific patient group.<\/jats:p><jats:p>Cite this article: Bone Joint J 2013;95-B:1617\u201325.<\/jats:p>","DOI":"10.1302\/0301-620x.95b12.31292","type":"journal-article","created":{"date-parts":[[2013,11,29]],"date-time":"2013-11-29T12:03:39Z","timestamp":1385726619000},"page":"1617-1625","update-policy":"https:\/\/doi.org\/10.1302\/crossmark-policy","source":"Crossref","is-referenced-by-count":11,"title":["Clinical and radiological outcome of the cemented Contemporary acetabular component in patients &lt; 50 years of age"],"prefix":"10.1302","volume":"95-B","author":[{"given":"M. W. J. L.","family":"Schmitz","sequence":"first","affiliation":[{"name":"Radboud University Medical Centre, Department of Orthopaedics, 357, P. O. Box 9101, 6500 HB Nijmegen, the Netherlands."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C.","family":"Timmer","sequence":"additional","affiliation":[{"name":"Radboud University Medical Centre, Department of Orthopaedics, 357, P. O. Box 9101, 6500 HB Nijmegen, the Netherlands."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"W. H. C.","family":"Rijnen","sequence":"additional","affiliation":[{"name":"Radboud University Medical Centre, Department of Orthopaedics, 357, P. O. Box 9101, 6500 HB Nijmegen, the Netherlands."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. W. M.","family":"Gardeniers","sequence":"additional","affiliation":[{"name":"Radboud University Medical Centre, Department of Orthopaedics, 357, P. O. Box 9101, 6500 HB Nijmegen, the Netherlands."}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"B. W.","family":"Schreurs","sequence":"additional","affiliation":[{"name":"Radboud University Medical Centre, Department of Orthopaedics, 357, P. O. Box 9101, 6500 HB Nijmegen, the Netherlands."}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"42","reference":[{"key":"r1","unstructured":"No authors listed.Australian Orthopaedic Association National Joint Replacement Registry: Annual Report 2011. https:\/\/aoanjrr.dmac.adelaide.edu.au\/annual-reports-2011 (date last accessed 15 August 2013)."},{"key":"r2","unstructured":"No authors listed.Swedish Hip Arthroplasty Register Annual Report 2010. http:\/\/www.shpr.se\/Libraries\/Documents\/AnnualReport-2010-2-eng.sflb.ashx (date last accessed 15 August 2013)."},{"key":"r3","unstructured":"No authors listed.New Zealand Orthopeadic Association. The New Zealand Joint Registry, thirteen year report, 1999-2010. http:\/\/www.cdhb.govt.nz\/njr\/reports\/A2D65CA3.pdf (date last accessed 15 August 2013)."},{"key":"r4","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-200404000-00004"},{"key":"r5","doi-asserted-by":"publisher","DOI":"10.5301\/HIP.2011.8641"},{"key":"r6","doi-asserted-by":"publisher","DOI":"10.1080\/00016470510030292"},{"key":"r7","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-007-0049-7"},{"key":"r8","doi-asserted-by":"publisher","DOI":"10.1080\/17453670710013861"},{"key":"r9","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.e1349"},{"key":"r10","unstructured":"No authors listed.National Joint Registry for England and Wales: 8th annual report 2011. http:\/\/www.njrcentre.org.uk (date last accessed 15 August 2013)."},{"key":"r11","unstructured":"No authors listed.Dansk Hoftealloplastik Register \u00c5rsrapport 2011. http:\/\/www.dhr.dk\/Ny%20mappe\/rapporter\/DHR%20Aarsrapport_2011%20t_web.pdf (date last accessed 15 August 2013)."},{"key":"r12","doi-asserted-by":"publisher","DOI":"10.1007\/s004020050315"},{"key":"r13","doi-asserted-by":"crossref","first-page":"126","DOI":"10.1097\/00003086-198906000-00019","volume":"243","author":"D'Antonio JA","year":"1989","journal-title":"Clin Orthop Relat Res"},{"key":"r14","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-200112000-00023"},{"key":"r15","doi-asserted-by":"crossref","first-page":"199","DOI":"10.1097\/00003086-198811000-00026","volume":"236","author":"Goodman SB","year":"1988","journal-title":"Clin Orthop Relat Res"},{"key":"r16","first-page":"20","volume":"121","author":"DeLee JG","year":"1976","journal-title":"Clin Orthop Relat Res"},{"key":"r17","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-197355080-00006"},{"key":"r18","doi-asserted-by":"publisher","DOI":"10.1016\/S0883-5403(96)80032-5"},{"key":"r19","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-196951040-00012"},{"key":"r20","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.78B2.0780185"},{"key":"r21","doi-asserted-by":"publisher","DOI":"10.1007\/s12570-012-0100-3"},{"key":"r22","first-page":"17","volume":"141","author":"Gruen TA","year":"1979","journal-title":"Clin Orthop Relat Res"},{"key":"r23","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2004.06.004"},{"key":"r24","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.94B4.27895"},{"key":"r25","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.94B3.28185"},{"key":"r26","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.93B1.24134"},{"key":"r27","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2011.07.002"},{"key":"r28","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-010-1148-8"},{"key":"r29","doi-asserted-by":"publisher","DOI":"10.1097\/01.blo.0000194084.67364.6c"},{"key":"r30","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-199072100-00007"},{"key":"r31","doi-asserted-by":"publisher","DOI":"10.1097\/00003086-199706000-00019"},{"key":"r32","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-007-0045-y"},{"key":"r33","doi-asserted-by":"publisher","DOI":"10.3109\/17453674.2011.636672"},{"key":"r34","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.93B4.26149"},{"key":"r35","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2011.02.020"},{"key":"r36","doi-asserted-by":"publisher","DOI":"10.1186\/1471-2474-14-37"},{"key":"r37","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.I.01532"},{"key":"r38","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.94B12.30040"}],"container-title":["The Bone &amp; 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