{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,14]],"date-time":"2026-02-14T10:46:07Z","timestamp":1771065967085,"version":"3.50.1"},"reference-count":32,"publisher":"IOP Publishing","issue":"16","license":[{"start":{"date-parts":[[2024,8,8]],"date-time":"2024-08-08T00:00:00Z","timestamp":1723075200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/page\/copyright"},{"start":{"date-parts":[[2024,8,8]],"date-time":"2024-08-08T00:00:00Z","timestamp":1723075200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/iopscience.iop.org\/info\/page\/text-and-data-mining"}],"funder":[{"name":"National Science Foundation","award":["1922389"],"award-info":[{"award-number":["1922389"]}]}],"content-domain":{"domain":["iopscience.iop.org"],"crossmark-restriction":false},"short-container-title":["Phys. Med. Biol."],"published-print":{"date-parts":[[2024,8,21]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>\n                  <jats:italic>Objective.<\/jats:italic> A bone-inclusive ASTM phantom is proposed to improve the assessment of radiofrequency electromagnetic field (RF-EMF) power deposition near orthopedic device under 1.5 T and 3 T magnetic resonance imaging (MRI). <jats:italic>Approach.<\/jats:italic> A phantom is created by introducing a cylindrical bone structure inside the American Society for Testing and Materials (ASTM) phantom. Four orthopaedic implant families\u2014rod, nailing system, plate system, and hip replacement\u2014are used in the study. RF-EMF power deposition (in terms of peak averaged specific absorption rate over 1 gram) near these implants are evaluated by placing these implants inside the standard ASTM phantom, the developed bone-inclusive ASTM phantom, and two anatomically representative human body phantoms, known as Duke and Ella. Numerical simulations are performed to calculate the RF-EMF power deposition near various orthopaedic devices within these phantoms. <jats:italic>Main Results.<\/jats:italic> For devices implanted inside or near bone tissue, the evaluation of RF-EMF power deposition using the developed bone-inclusive ASTM phantom shows better correlations to the human body phantoms than the ASTM phantom. This improvement is attributed to the portion of the devices implanted within the bone tissue. <jats:italic>Significance.<\/jats:italic> The bone-inclusive ASTM phantom has the different tissue of interests surrounding the implants compared to the ASTM phantom. This variation can lead to the different resonance frequency under RF-EMF exposure. This leads to better correlation of RF-EMF power deposition near orthopaedic implants inside human body, making the bone-inclusive ASTM phantom more suitable for evaluating RF-EMF power deposition than ASTM phantom in MRI scans.<\/jats:p>","DOI":"10.1088\/1361-6560\/ad6953","type":"journal-article","created":{"date-parts":[[2024,7,30]],"date-time":"2024-07-30T18:56:15Z","timestamp":1722365775000},"page":"165024","update-policy":"https:\/\/doi.org\/10.1088\/crossmark-policy","source":"Crossref","is-referenced-by-count":2,"title":["Improved assessment of radiofrequency electromagnetic field power deposition near orthopaedic device using a bone-inclusive ASTM phantom under 1.5T and 3T MRI"],"prefix":"10.1088","volume":"69","author":[{"given":"Xiaolin","family":"Yang","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ran","family":"Guo","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianfeng","family":"Zheng","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Stuart A","family":"Long","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3820-9195","authenticated-orcid":true,"given":"Xuemin","family":"Chen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6944-2729","authenticated-orcid":true,"given":"Ji","family":"Chen","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"266","published-online":{"date-parts":[[2024,8,8]]},"reference":[{"key":"pmbad6953bib1","first-page":"p 4866","article-title":"Worst-case analysis of RF induced heating during MRI scanning in a generic multi-component orthopedic medical implant applying the design of experiment method (DoE)","author":"Abbasi","year":"2014"},{"key":"pmbad6953bib2","article-title":"Standard test method for measurement of radio frequency induced heating on or near passive implants during magnetic resonance imaging","author":"Anon","year":"2013"},{"key":"pmbad6953bib3","author":"AO Foundation Surgery Reference","year":"2022"},{"key":"pmbad6953bib4","doi-asserted-by":"publisher","first-page":"599","DOI":"10.1002\/jmri.27346","article-title":"Effect of device configuration and patient\u2019s body composition on the RF heating and nonsusceptibility artifact of deep brain stimulation implants during MRI at 1.5 T and 3 T","volume":"53","author":"Bhusal","year":"2021","journal-title":"J. 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