{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,5]],"date-time":"2026-01-05T21:52:41Z","timestamp":1767649961843},"reference-count":29,"publisher":"SLACK, Inc.","issue":"9","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Orthopedics"],"published-print":{"date-parts":[[2013,9]]},"abstract":"<jats:p>Primary articulation of bipolar hemiarthroplasty systems is at the femoral head-liner interface. The purpose of this study was to compare observed damage modes on 36 retrieved bipolar systems with implant, demographic, intraoperative, and radiographic data to elucidate the effects of component design, specifically locking mechanism, on clinical performance.<\/jats:p>\n          <jats:p>\n            Retrieved bipolar hip hemiarthroplasty systems of 3 different design types were obtained, disassembled, and evaluated macro- and microscopically for varying modes of wear, including abrasion, burnishing, embedding, scratching, and pitting. Clinical record review and radiographic analysis were performed by a senior orthopedic surgery resident. Average bipolar hip hemiarthroplasty system term of service was 46 months (range, 0.27\u2013187 months). All devices contained wear debris captured within the articulating space between the femoral head and liner. In 31% of patients without infection, lucency was observed on immediate prerevision radiographs. The system with a leaf locking mechanism showed significantly increased radiographically observed osteolysis (\n            <jats:italic>P<\/jats:italic>\n            =.03) compared with a system with a stopper ring locking mechanism. In addition, implant design and observed damage modes, including pitting and third-body particle embedding, were significantly associated with radiographically observed osteolysis.\n          <\/jats:p>","DOI":"10.3928\/01477447-20130821-22","type":"journal-article","created":{"date-parts":[[2014,8,19]],"date-time":"2014-08-19T20:38:12Z","timestamp":1408480692000},"source":"Crossref","is-referenced-by-count":5,"title":["Effect of Component Design in Retrieved Bipolar Hip Hemiarthroplasty Systems"],"prefix":"10.3928","volume":"36","author":[{"given":"Matthew D.","family":"Hess","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Erin A.","family":"Baker","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Meagan R.","family":"Salisbury","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lige M.","family":"Kaplan","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ryan T.","family":"Greene","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Perry W.","family":"Greene","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"2308","reference":[{"key":"e_1_3_1_2_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-200204000-00027"},{"key":"e_1_3_1_3_2","doi-asserted-by":"publisher","DOI":"10.2106\/JBJS.E.00535"},{"key":"e_1_3_1_4_2","doi-asserted-by":"publisher","DOI":"10.1136\/bmj.39399.456551.25"},{"key":"e_1_3_1_5_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-011-1354-z"},{"key":"e_1_3_1_6_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00264-011-1213-y"},{"issue":"6","key":"e_1_3_1_7_2","first-page":"CD001706","article-title":"Arthroplasties (with and without bone cement) for proximal femoral fractures in adults","author":"Parker MJ","year":"2010","unstructured":"Parker MJ, Gurusamy KS, Azegami S. Arthroplasties (with and without bone cement) for proximal femoral fractures in adults. Cochrane Database Syst Rev. 2010(6):CD001706.","journal-title":"Cochrane Database Syst Rev"},{"key":"e_1_3_1_8_2","doi-asserted-by":"publisher","DOI":"10.2106\/00004623-197961080-00005"},{"key":"e_1_3_1_9_2","doi-asserted-by":"publisher","DOI":"10.1302\/0301-620X.69B5.3680337"},{"issue":"311","key":"e_1_3_1_10_2","first-page":"46","article-title":"The problem is osteolysis","author":"Harris WH","year":"1995","unstructured":"Harris WH. The problem is osteolysis. Clin Orthop Relat Res. 1995; (311):46\u201353.","journal-title":"Clin Orthop Relat Res"},{"issue":"4","key":"e_1_3_1_11_2","first-page":"313","article-title":"Failure of bipolar hemiarthroplasty: a retrospective review of 31 consecutive bipolar prostheses converted to total hip arthroplasty","volume":"30","author":"Coleman SH","year":"2001","unstructured":"Coleman SH, Bansal M, Cornell CN, Sculco TP. 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