{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,2]],"date-time":"2026-05-02T01:00:13Z","timestamp":1777683613387,"version":"3.51.4"},"reference-count":20,"publisher":"SAGE Publications","issue":"1","license":[{"start":{"date-parts":[[2020,2,1]],"date-time":"2020-02-01T00:00:00Z","timestamp":1580515200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"funder":[{"name":"Clinical Orthopedic Research Center by Diakonessenhuis Utrecht"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["HSS Journal\u00ae: The Musculoskeletal Journal of Hospital for Special Surgery"],"published-print":{"date-parts":[[2020,2]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>Aseptic loosening, caused by wear and osteolysis, is the most frequent reason for hip replacement revision in the UK. To prevent aseptic loosening, an acetabular component with vitamin E added to irradiated highly cross-linked polyethylene (HXLPE) was developed to reduce oxidative degradation.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Questions\/Purposes<\/jats:title>\n                    <jats:p>A prior study of the vitamin E\u2013blended HXLPE acetabular component after 2\u00a0years of follow-up reported no adverse reactions or abnormal mechanical behavior. To further examine this hypothesis of reducing wear and osteolysis, we sought to evaluate outcomes after 6-year follow-up.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>A cohort of 95 of the 112 initial patients (84.2%) completed the 6\u00a0years of follow-up after receiving a vitamin E\u2013blended HXLPE acetabular component. Evaluation was performed in terms of clinical (visual analog scale [VAS] score, VAS score with weight-bearing, VAS score for satisfaction, and Harris Hip Score) and radiological (inclination, polar gap, radiolucencies, migration, and 2-D linear femoral head penetration rate) assessment.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>The mean VAS score for patient satisfaction was 8.75 and the mean Harris Hip Score was 91.8. There were two revisions because of deep infections and one because of a peri-prosthetic femoral fracture. Two acetabular components migrated initially; however, delayed acetabular stabilization occurred. Both patients had good clinical scores at 72\u00a0months. The mean femoral head penetration rate was 0.036\u00a0mm\/year.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>This prospective cohort study has shown no adverse reactions concerning the vitamin E additive, promising wear rates, no signs of osteolysis, a 100% survival rate for aseptic loosening, and an all-cause survivorship percentage of 97.4% at 6\u00a0years of follow-up.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s11420-018-09658-8","type":"journal-article","created":{"date-parts":[[2019,4,10]],"date-time":"2019-04-10T14:07:20Z","timestamp":1554905240000},"page":"15-22","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":7,"title":["The Survivorship of the Uncemented Iso-Elastic Monoblock Acetabular Component at a Mean of 6-Year Follow-up"],"prefix":"10.1177","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-5835-4619","authenticated-orcid":false,"given":"T. E.","family":"Snijders","sequence":"first","affiliation":[{"name":"Clinical Orthopedic Research Center, Diakonessenhuis Zeist, Professor Lorentzlaan 76, 3707 HL, Zeist, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. J.","family":"Halma","sequence":"additional","affiliation":[{"name":"Clinical Orthopedic Research Center, Diakonessenhuis Zeist, Professor Lorentzlaan 76, 3707 HL, Zeist, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J. R. A.","family":"Massier","sequence":"additional","affiliation":[{"name":"Clinical Orthopedic Research Center, Diakonessenhuis Zeist, Professor Lorentzlaan 76, 3707 HL, Zeist, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"S. M.","family":"van Gaalen","sequence":"additional","affiliation":[{"name":"Clinical Orthopedic Research Center, Diakonessenhuis Zeist, Professor Lorentzlaan 76, 3707 HL, Zeist, the Netherlands"},{"name":"Department of Orthopaedic Surgery, Diakonessenhuis, Utrecht, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"de Gast","sequence":"additional","affiliation":[{"name":"Clinical Orthopedic Research Center, Diakonessenhuis Zeist, Professor Lorentzlaan 76, 3707 HL, Zeist, the Netherlands"},{"name":"Department of Orthopaedic Surgery, Diakonessenhuis, Utrecht, the Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2020,2,1]]},"reference":[{"key":"bibr1-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.1016\/j.polymdegradstab.2007.02.023"},{"key":"bibr2-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.3390\/ma10070791"},{"key":"bibr3-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.1007\/s12570-012-0100-3"},{"key":"bibr4-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.3109\/17453674.2014.972890"},{"key":"bibr5-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.1054\/arth.2002.33664"},{"key":"bibr6-s11420-018-09658-8","volume-title":"In: Hip-joint surgery: the RM cup\u2014long-term experience with an elastic monobloc acetabular implant","author":"Gasser B","year":"2008"},{"key":"bibr7-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.90B7.20305"},{"key":"bibr8-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.1002\/jbm.b.33147"},{"key":"bibr9-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2014.11.017"},{"key":"bibr10-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-196951040-00012"},{"key":"bibr11-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.90B10.20274"},{"key":"bibr12-s11420-018-09658-8","first-page":"1","volume":"79","author":"Jiang Y","year":"2013","journal-title":"Acta Orthop Belg."},{"key":"bibr13-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.1007\/s11999-011-1872-4"},{"key":"bibr14-s11420-018-09658-8","doi-asserted-by":"publisher","DOI":"10.1016\/j.arth.2009.04.025"},{"key":"bibr15-s11420-018-09658-8","unstructured":"National Joint Registry for England, Wales, Northern Ireland, and the Isle of Man. 12th annual report. 2015. 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