{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,8]],"date-time":"2026-02-08T01:30:21Z","timestamp":1770514221157,"version":"3.49.0"},"reference-count":30,"publisher":"Springer Science and Business Media LLC","issue":"6","license":[{"start":{"date-parts":[[2024,5,9]],"date-time":"2024-05-09T00:00:00Z","timestamp":1715212800000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"},{"start":{"date-parts":[[2024,5,9]],"date-time":"2024-05-09T00:00:00Z","timestamp":1715212800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0"}],"funder":[{"DOI":"10.13039\/501100010109","name":"Medical University of Graz","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100010109","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["link.springer.com"],"crossmark-restriction":false},"short-container-title":["Arch Orthop Trauma Surg"],"abstract":"<jats:title>Abstract<\/jats:title><jats:sec>\n                <jats:title>Introduction<\/jats:title>\n                <jats:p>Cemented hemiarthroplasty (HA) is preferred in treating dislocated femoral neck fractures in elderly, osteoporotic patients, since uncemented HA was associated with mechanical complications more frequently. Cementation can conversely cause cardiopulmonary complications, leading to demand on safe, uncemented implants addressing osteoporosis. This study is set up as a retrospective feasibility study on the use of an uncemented, collared wedge implant (Actis\u00ae, DePuy Synthes, Warsaw, IN), for HA in elderly patients, focusing on complication rate.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Materials and methods<\/jats:title>\n                <jats:p>From 1,194 patients, treated with HA in two study centers between 2017\u20132022, 188 received Actis\u00ae uncemented stem with bipolar head. Complete follow-up were retrospectively collected in all patients.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>In 188 patients (f: 64.9%; age: 83.1\u2009\u00b1\u20097.7a) included, no case of intra-operative mortality was recorded. 2\u00a0day mortality was 1.1%, 30\u00a0day mortality was 7.4% and 1\u00a0year mortality was 28.2%. 2 (1.1%) intra-operative fractures did not receive surgical revision, 3 (1.6%) post-operative periprosthetic fractures caused separate admission and revision. 2 cases (1.1%) of early infection required surgical revision.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusion<\/jats:title>\n                <jats:p>Our data provide proof of concept, that Actis\u00ae Stem allows an alternative, uncemented treatment option for displaced femoral neck fractures with HA. In case of preoperative or intraoperative medial cortical bone defects, stability of this implant is deteriorated.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1007\/s00402-024-05352-z","type":"journal-article","created":{"date-parts":[[2024,5,9]],"date-time":"2024-05-09T15:01:57Z","timestamp":1715266917000},"page":"2831-2838","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":6,"title":["Treatment of femoral neck fractures using actis stem: complication rate in 188 uncemented hemiarthroplasties"],"prefix":"10.1007","volume":"144","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-5534-7605","authenticated-orcid":false,"given":"L.","family":"Leitner","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F.","family":"Schitz","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P.","family":"Sadoghi","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P.","family":"Puchwein","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"J.","family":"Holinka","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"Leithner","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"E.","family":"Kalcher","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"297","published-online":{"date-parts":[[2024,5,9]]},"reference":[{"issue":"8","key":"5352_CR1","first-page":"E84","volume":"39","author":"JB Ames","year":"2010","unstructured":"Ames JB, Lurie JD, Tomek IM, Zhou W, Koval KJ (2010) Does surgeon volume for total hip arthroplasty affect outcomes after hemiarthroplasty for femoral neck fracture? 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The other authors declare no competing financial interests. No external source of funding was used in this study.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"This study was approved by the Ethical Review Board of the Medical University of Graz (Reference number: 29\u2013534 ex 16\/17).","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics statement"}}]}}