{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,1,30]],"date-time":"2023-01-30T16:53:53Z","timestamp":1675097633223},"reference-count":52,"publisher":"Walter de Gruyter GmbH","issue":"6","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2015,1,1]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>Revision surgery of cemented femoral stems in total hip arthroplasty is gaining more and more importance, but cement removal in revision hip arthroplasty may be technically challenging. Conventional manual cement removal can be time consuming and be associated with complications such as cortical perforation, fracture, or bone loss. The aim of this study was to investigate the practicability of computer-navigated cement removal.<\/jats:p><jats:p>In an<\/jats:p><jats:p>The mean time for cement removal was 29\u00b15 min for the conventional method and 32\u00b18 min for the freehand-navigated cement removal. Here, excepting the preparatory examinations, the navigated cement removal only took 13\u00b15 min. The measured temperature during polymerization was 36\u00b15\u00b0C and during navigated cement removal was 37\u00b18\u00b0C. In the distal part of the femur, cement removal was more accurate with the conventional method compared to the navigated one.<\/jats:p><jats:p>The freehand-navigated cement removal, with the exception of the preparatory examinations, is time saving compared to the conventional method. However, a potential for technical development especially for the milling device and accuracy exist.<\/jats:p>","DOI":"10.1515\/bmt-2014-0041","type":"journal-article","created":{"date-parts":[[2015,6,11]],"date-time":"2015-06-11T00:47:10Z","timestamp":1433983630000},"source":"Crossref","is-referenced-by-count":2,"title":["Femoral cement extraction in revision total hip arthroplasty \u2013 an in vitro study comparing computer-assisted freehand-navigated cement removal to conventional cement extraction"],"prefix":"10.1515","volume":"60","author":[{"given":"Torsten","family":"Mumme","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Max Julian","family":"Friedrich","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Henrik","family":"Rode","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Sascha","family":"Gravius","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stefan","family":"Andereya","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ralf","family":"M\u00fcller-Rath","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Matias","family":"de la Fuente","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"374","reference":[{"key":"ref431","first-page":"441","article-title":"Herberts Presidential guest address the Swedish Hip Registry increasing the sensitivity by patient outcome data","author":"Malchau","year":"2005","journal-title":"Clin Res"},{"key":"ref221","doi-asserted-by":"crossref","first-page":"310","DOI":"10.1007\/s001320050613","article-title":"CA Elke Cement removal with ultrasound in revision or total hip prosthesis","volume":"30","author":"Schwaller","year":"2001","journal-title":"Orthopade"},{"key":"ref31","first-page":"664","article-title":"de la based reconstruction of femoral bone cement : a new approach for revision total hip replacement","author":"Fuente","year":"2005","journal-title":"IEEE Trans Biomed Eng"},{"key":"ref471","first-page":"141","article-title":"de la Intraoperative reconstruction of the PMMA plug for computer - 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