Evaluations of specific absorption rate and temperature increase within pregnant female models in magnetic resonance imaging birdcage coils

IEEE Transactions on Microwave Theory and Techniques

Volumn 54, Issue 12, 2006, Pages 4472-4478

  Wu, Dagang ^a,b   Shamsi, Saad ^a,b   Chen, Ji ^b   Kainz, Wolfgang ^a,c  

^a IEEE   (United States)

^b UNIVERSITY OF HOUSTON   (United States)

^c CENTER FOR DEVICES AND RADIOLOGICAL HEALTH   (United States)

Author keywords

Electromagnetic heating; Finite difference method; Magnetic resonance imaging (MRI); Pregnant woman; Safety standards

Indexed keywords

ELECTROMAGNETIC HEATING; PREGNANT WOMAN; SAFETY STANDARDS; SPECIFIC ABSORPTION RATE (SAR);

FETAL MONITORING; FINITE DIFFERENCE METHOD; HUMAN FORM MODELS; MAGNETIC RESONANCE IMAGING; PATIENT MONITORING; THERMAL EFFECTS;

MEDICAL IMAGING;

EID: 33847735550     PISSN: 00189480     EISSN: None     Source Type: Journal    
DOI: 10.1109/TMTT.2006.884655     Document Type: Article

References (34)

1. J. Jin, Electromagnetic Analysis and Design in Magnetic Resonance Imaging. New York: CRC, 1999.
2. D. J. Schaefer, "Safety aspects of radio-frequency power deposition in magnetic resonance," Magn. Reson. Imaging Clin. N. Amer., vol. 6, pp. 775-789, 1998.
3. F. G. Shellock, "Radiofrequency-induced heating during MR procedures: A review," J. Magn. Reson. Imaging, vol. 12, pp. 30-36, 2000.
4. Medical Equipment-Part 2: Particular Requirements for the Safety of Magnetic Resonance Equipment for Medical Diagnosis, IEC Standard 60601-2-33, 2004.
5. O. P. Gandhi and X. B. Chen, "Specific absorption rates and induced current densities for an anatomy-based model of the human for exposure to time varying magnetic fields of MRI," Magn. Res. Med., vol. 41, no. 5, pp. 816-823, 1999.
6. C. M. Collins, W. Liu, J. Wang, R. Gruetter, J. T. Vaughan, K. Ugurbill, and M. B. Smith, "Temperature and specific absorption rate calculations for a human head within volume and surface coils at 64 and 300 MHz," J. Magn. Res., vol. 19, pp. 650-656, 2004.
7. U. D. Nguyen, S. Brown, I. A. Chang, J. Krycia, and M. S. Mirotznik, "Numerical evaluation of heating of the human head due to magnetic resonance imaging," IEEE Trans. Biomed. Eng., vol. 51, no. 8, pp. 1301-1309, Aug. 2004.
8. L. A. Zaremba, "FDA guidelines for magnetic resonance equipment safety," Center for Devices and Radiol. Health, Food, Drug Admin., Rockville, MD, YEAR [Online]. Available: http://www.aapm.org/meetings/02AM/pdf/ 8356-8054.pdf
9. J. Behrens, "Module#5: MRI safety," Siemens Med. Syst., Greensboro, NC, 2002.
10. J. P. De Wilde, A. W. Rivers, and D. L. Price, "A review of the current use of magnetic resonance imaging in pregnancy and safety implications for the fetus," Prog. Biophys. Molecular Biol., vol. 87, pp. 335-353, 2005.
11. K. I. Carnes and R. L. Magin, "Effects of in utero exposure to 4.7 T MR imaging conditions on fetal growth and testicular development in the mouse," Magn. Res. Imag., vol. 14, pp. 263-274, 2003.
12. Y. P. Yip, C. Capriotti, S. G. Norbash, S. L. Talagala, and J. W. Yip, "Effects of MR exposure on axonal outgrowth in the sympathetic nervous system of the chick," Magn. Res. Imag., vol. 4, pp. 742-748, 1994.
13. K. P. Behr, H. W. Tiffe, K. H. Hinz, H. Luders, M. Friederichs, M. Ryll, and H. Hundeshagen, "Nuclear magnetic resonance (NMR) and the development of chicken embryos," Tsche. Tierarztl. Wochenschr., vol. 98, pp. 149-152, 1991.
14. Y. P. Yip, C. Capriotti, S. L. Talagala, and J. W. Yip, "Effects of MR exposure at 1.5 T on early embryonic development of the chick," Magn. Res. Imag., vol. 5, pp. 457-462, 1994.
15. Y. P. Yip, C. Capriotti, and J. W. Yip, "Effects of MR exposure on cellproliferation and migration of chick motonuerons," Magn. Res. Imag., vol. 5, no. 4, pp. 457-462, 1995.
16. M. Strydom, K. Caputa, M. A. Stuchly, and P. Gowland, "Numerical modeling interaction of RF field in MRI with a pregnant female model," in IEEE/ACES Wireless Commun. Appl. Comput. Electromagn. Conf., Honolulu, HI, 2005, pp. 389-392.
17. S. Shamsi, D. Wu, J. Chen, R. Liu, and W. Kainz, "Specific absorption rate evaluation in pregnant woman models radiated from MRI birdcage coil," presented at the IEEE MTT-S Int. Microw. Symp., San Francisco, CA, Jun. 2006.
18. C. M. Collins, S. Li, and M. B. Smith, "Specific absorption rate and B1 field distributions in a heterogeneous human head model within a birdcage coil," Magn. Res. Med., vol. 40, pp. 847-856, 1998.
19. J. Jin and J. Chen, "On the specific absorption rate and field inhomogeneity of birdcage coils loaded with the human head," Magn. Res. Med., vol. 38, pp. 953-963, 1997.
20. T. S. Ibramhim, A. M. Abduljalil, B. A. Baertlein, R. Lee, and P. M. Robitaille, "Analysis of B1 field profiles and specific absorption rate values for multi-strut transverse electromagnetic RF coils in high field MRI applications," Phys. Med. Biol., vol. 46, pp. 2545-2555, 2001.
21. T. S. Ibrahim, "A numerical analysis of radiofrequency power requirements in magnetic resonance imaging experiments," IEEE Trans. Microw. Theory Tech., vol. 52, no. 8, pp. 1999-2003, Aug. 2004.
22. A. Taflove, Computational Electrodynamics: The Finite-Difference Time-Domain Method. Norwood, MA: Artech House, 1995.
23. K. S. Kunz and R. J. Luebbers, The Finite Difference Time Domain Method for Electromagnetic.s. Boca Raton, FL: CRC, 1993.
24. H. H. Pennes, "Analysis of tissue and arterial blood temperatures in resting forearm," J. Appl. Physiol., vol. 1, pp. 93-122, 1948.
25. P. Bernardi, M. Cavagnaro, S. Pisa, and E. Piuzzi, "Specific absorption rate and temperature increases in the head of a cellular-phone user," IEEE Trans. Microw. Theory Tech., vol. 48, no. 7, pp. 1118-1125, Jul. 2000.
26. W. E. Huckabee, J. Metcalfe, H. Prystowsky, and D. H. Barron, "Blood flow and oxygen consumption of the pregnant uterus," Amer. J. Physiol., vol. 200, pp. 274-278, 1961.
27. P. A. Gowland, S. T. Francis, K. R. Duncan, A. J. Freeman, B. Issa, R. J. Moore, Bowtell, P. N. Baker, I. R. Johnson, and B. S. Worthington, "In vivo perfusion measurements in the human placenta using echo planar imaging at 0.5 T," Magn. Reson. Med., vol. 40, no. 3, pp. 467-473, 1998.
28. S. T. Francis, K. R. Duncan, R. J. Moore, P. N. Baker, I. R. Johnson, and P. A. Gowland, "Non-invasive mapping of placental perfusion," Lancet, vol. 351, pp. 1397-1399, 1998.
29. A. Ibrahiem, "Analysis of the temperature increase linked to the power included by RF source," Prog. Electromagn. Res., vol. PIER 52, pp. 23-46, 2005.
30. W. Kainz, T. Kellom, R. Qiang, and J. Chen, "Development of pregnant woman models for nine gestational ages and calculation of fetus heating during magnetic resonance imaging (MRI)," in BEMS Conf., Dublin, Ireland, Jun. 2005, pp. 137-139.
31. C. Gabriel, "Compilation of the dielectric properties of body tissues at RF and microwave frequencies," Brooks AFB, Brooks AFB, TX, Tech. Rep. AL/OE-TR-1996-0037, 1996.
32. F. A. Duck, Physical Properties of Tissues: A Comprehensive Reference Book. New York: Academic, 1990.
33. Birdcage Builder. Pennsylvania State Univ., Philadelphia, PA, 2006 [Online]. Available: http://psunmr.hmc.psu.edu/birdcage/index.htm
34. W. Renhart, O. Biro, P. Wach, and R. Strollberger, "Investigation of the resonance behavior of an MR-birdcage applying a 3-D FEM code," IEEE Trans. Magn., vol. 37, no. 9, pp. 3688-3692, Sep. 2001.