Comparison of SAR distribution of hip and knee implantable devices in 1.5T conventional cylindrical-bore and 1.2T open-bore vertical MRI systems.
RF heating
RF safety
implant safety
open-bore MRI
orthopedic implant
vertical MRI
Journal
Magnetic resonance in medicine
ISSN: 1522-2594
Titre abrégé: Magn Reson Med
Pays: United States
ID NLM: 8505245
Informations de publication
Date de publication:
03 2022
03 2022
Historique:
revised:
15
08
2021
received:
14
03
2021
accepted:
24
08
2021
pubmed:
15
11
2021
medline:
1
2
2022
entrez:
14
11
2021
Statut:
ppublish
Résumé
There is increasing use of open-bore vertical MR systems that consist of two planar RF coils. A recent study showed that the RF-induced heating of a neuromodulation device was much lower in the open-bore system at the brain and the chest imaging landmarks. This study focused on the hip and knee implants and compared the specific absorption rate (SAR) distribution in human models in a 1.2T open-bore coil with that of a 1.5T conventional birdcage coil. Computational modeling results were compared against the measurement values using a saline phantom. The differences in RF exposure were examined between a 1.2T open-bore coil and a 1.5T conventional birdcage coil using SAR in an anatomical human model. Modeling setups were validated. The body placed closed to the coil elements led to high SAR values in the birdcage system compared with the open-bore system. Our computational modeling showed that the 1.2T planar system demonstrated a lower intensity of SAR distribution adjacent to hip and knee implants compared with the 1.5T conventional birdcage system.
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Research Support, U.S. Gov't, P.H.S.
Langues
eng
Sous-ensembles de citation
IM
Pagination
1515-1528Informations de copyright
© 2021 International Society for Magnetic Resonance in Medicine. This article has been contributed to by US Government employees and their work is in the public domain in the USA.
Références
Delfino JG, Krainak DM, Flesher SA, Miller DL. MRI-related FDA adverse event reports: a 10-yr review. Med Phys. 2019;46:5562-5571.
Shellock FG. Reference Manual for Magnetic Resonance Safety, Implants and Devices. Los Angeles, CA: Biomedical Research Publishing Group; 2014.
Song T, Xu Z, Iacono MI, Angelone LM, Rajan S. Retrospective analysis of RF heating measurements of passive medical implants. Magn Reson Med. 2018;80:2726-2730.
Oh S, Webb AG, Neuberger T, Park B, Collins CM. Experimental and numerical assessment of MRI-induced temperature change and SAR distributions in phantoms and in vivo. Magn Reson Med. 2010;63:218-223.
Standard Test Method for Measurement of Radio Frequency Induced Heating on or Near Passive Implants during Magnetic Resonance Imaging. American Society for Testing and Materials International; 2019.
Assessment of the Safety of Magnetic Resonance Imaging for Patients with an Active Implantable Medical Device. International Organization for Standardization; 2018.
Lucano E, Liberti M, Lloyd T, et al. RF induced energy for partially implanted catheters: a computational study. In: Proceedings of the 38th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Orlando, Florida, 2016. pp 1256-1259.
Zeng Q, Wang Q, Zheng J, Kainz W, Chen J. Evaluation of MRI RF electromagnetic field induced heating near leads of cochlear implants. Phys Med Biol. 2018;63:135020.
Murbach M, Neufeld E, Kainz W, Pruessmann KP, Kuster N. Whole-body and local RF absorption in human models as a function of anatomy and position within 1.5 T MR body coil. Magn Reson Med. 2014;71:839-845.
Kangarlu A, Ibrahim TS, Shellock FG. Effects of coil dimensions and field polarization on RF heating inside a head phantom. Magn Reson Imaging. 2005;23:53-60.
Hoff MN, McKinney A, Shellock FG, et al. Safety considerations of 7-T MRI in clinical practice. Radiology. 2019;292:509-518.
Makarov SN, Noetscher GM, Yanamadala J, et al. Virtual human models for electromagnetic studies and their applications. IEEE Rev Biomed Eng. 2017;10:95-121.
Golestanirad L, Kazemivalipour E, Lampman D, et al. RF heating of deep brain stimulation implants in open-bore vertical MRI systems: a simulation study with realistic device configurations. Magn Reson Med. 2020;83:2284-2292.
Kazemivalipour E, Vu J, Lin S, et al. RF heating of deep brain stimulation implants during MRI in 1.2 T vertical scanners versus 1.5 T horizontal systems: a simulation study with realistic lead configurations. In: Proceedings of the 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC) IEEE, Montréal, Canada, 2020. pp 6143-6146.
Koninklijke Philips NV. Scanning Patients with MR Conditional Implants. 2015. https://www.usa.philips.com/healthcare/education-resources/publications/fieldstrength/mri-and-mr-conditional-implants. Accessed February 28, 2021.
Naraghi AM, White LM. Magnetic resonance imaging of joint replacements. Semin Musculoskelet Radiol. 2006;10:98-106.
Hayter CL, Koff MF, Potter HG. Magnetic resonance imaging of the postoperative hip. J Magn Reson Imaging. 2012;35:1013-1025.
Muranaka H, Horiguchi T, Ueda Y, Usui S, Tanki N, Nakamura O. Evaluation of RF heating on hip joint implant in phantom during MRI examinations. Jpn J Radiol Technol. 2009;66:725-733.
Muranaka H, Horiguchi T, Usui S, Ueda Y, Nakamura O, Ikeda F. Dependence of RF heating on SAR and implant position in a 1.5 T MR system. Magn Reson Med Sci. 2007;6:199-209.
Powell J, Papadaki A, Hand J, Hart A, McRobbie D. Numerical simulation of SAR induced around Co-Cr-Mo hip prostheses in situ exposed to RF fields associated with 1.5 and 3 T MRI body coils. Magn Reson Med. 2012;68:960-968.
Liu Y, Chen J, Shellock FG, Kainz W. Computational and experimental studies of an orthopedic implant: MRI-related heating at 1.5-T/64-MHz and 3-T/128-MHz. J Magn Reson Imaging. 2013;37:491-497.
Noureddine Y, Bitz AK, Ladd ME, et al. Experience with magnetic resonance imaging of human subjects with passive implants and tattoos at 7 T: a retrospective study. Magn Reson Mater Phys Biol Med. 2015;28:577-590.
Standard Test Method for Measurement of Radio Frequency Induced Heating on or Near Passive Implants during Magnetic Resonance Imaging. American Society for Testing and Materials (ASTM) International; 2011.
Suzuki S, Shimoda T, Taniguchi T. High frequency coil for magnetic resonance imaging devices and magnetic resonance imaging using the same. JP2009022562. Japan Patent Office. February 5, 2009.
Lucano E, Liberti M, Mendoza GG, et al. Assessing the electromagnetic fields generated by a radiofrequency MRI body coil at 64 MHz: defeaturing versus accuracy. IEEE Trans Biomed Eng. 2016;63:1591-1601.
Massey JW, Yilmaz AE. AustinMan and AustinWoman: high-fidelity, anatomical voxel models developed from the VHP color images. In: Proceedings of the 38th Annual International Conference of the Engineering in Medicine and Biology Society (EMBC), IEEE, Orlando, Florida, 2016. pp 3346-3349.
Gabriel C. Compilation of the Dielectric Properties of Body Tissues at RF and Microwave Frequencies. King’s College London (United Kingdom) Department of Physics; 1996.
Benkler S, Chavannes N, Kuster N. Novel FDTD Huygens source enables highly complex simulation scenarios on ordinary PCs. In: Proceedings of the Antennas and Propagation Society International Symposium IEEE, Seattle, Washington, 2009. pp 1-4.
Boskamp EB, Fujimoto M, Edwards M. RF body coil symmetry as a function of cable routing. In: Proceedings of the 21st Annual Meeting of the ISMRM, Salt Lake City, Utah, 2013. Abstract #2751.
Collins CM, Smith MB. Calculations of B1 distribution, SNR, and SAR for a surface coil adjacent to an anatomically-accurate human body model. Magn Reson Med. 2001;45:692-699.
Centers for Disease Control and Prevention. Defining Adult Overweight and Obesity. 2020. https://www.cdc.gov/obesity/adult/defining.html. Accessed February 22, 2021.
Christ A, Kainz W, Hahn EG, et al. The Virtual Family-development of surface-based anatomical models of two adults and two children for dosimetric simulations. Phys Med Biol. 2009;55:N23.
Susil RC, Camphausen K, Choyke P, et al. System for prostate brachytherapy and biopsy in a standard 1.5 T MRI scanner. Magn Reson Med. 2004;52:683-687.
Carucci LR. Imaging obese patients: problems and solutions. Abdom Imaging. 2013;38:630-646.
Ginde AA, Foianini A, Renner DM, Valley M, Camargo CA Jr. The challenge of CT and MRI imaging of obese individuals who present to the emergency department: a national survey. Obesity. 2008;16:2549-2551.
US food and drug administration. Testing and Labeling Medical Devices for Safety in the Magnetic Resonance (MR) Environment. US Food and Drug Administration; 2021. https://www.fda.gov/regulatory-information/search-fda-guidance-documents/testing-and-labeling-medicaldevices-safety-magnetic-resonance-mr-environment. Accessed May 23, 2021.
IT’IS Foundation. Heat Capacity. https://itis.swiss/virtual-population/tissue-properties/database/heat-capacity/. Accessed July 7, 2021.
Yao A, Zastrow E, Cabot E, et al. Anatomical model uncertainty for RF safety evaluation of metallic implants under MRI exposure. Bioelectromagnetics. 2019;40:458-471.
Lafon Y, Smith FW, Beillas P. Combination of a model-deformation method and a positional MRI to quantify the effects of posture on the anatomical structures of the trunk. J Biomech. 2010;43:1269-1278.
Standard Test Method for Measurement of Magnetically Induced Torque on Medical Devices in the Magnetic Resonance Enviroment. American Society for Testing and Materials (ASTM) International; 2017.
Standard Test Method for Measurement of Magnetically Induced Displacement Force on Medical Devices in the Magnetic Resonance Environment. American Society for Testing and Materials (ASTM) International; 2015.
Arduino A, Zanovello U, Hand J, et al. Heating of hip joint implants in MRI: the combined effect of RF and switched-gradient fields. Magn Reson Med. 2021;85:3447-3462.