Dominant factors affecting temperature rise in simulations of human thermoregulation during RF exposure

Physics in Medicine and Biology

Volumn 56, Issue 23, 2011, Pages 7449-7471

  Laakso, Ilkka ^a   Hirata, Akimasa ^a  

^a NAGOYA INSTITUTE OF TECHNOLOGY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

AIR MOVEMENT; BIO-HEAT EQUATIONS; BLOOD TEMPERATURE; BODY TEMPERATURE; CENTRAL CONTROL; COMPUTATIONAL PARAMETERS; DOMINANT FACTOR; ELECTROMAGNETIC POWER; GEOMETRIC MULTIGRID METHODS; HUMAN ANATOMY; HUMAN BODY MODELS; HUMAN THERMOREGULATION; LOCAL TEMPERATURE; NUMERICAL MODELS; PEAK TEMPERATURES; PENNES BIO-HEAT EQUATIONS; PLANE WAVE; POWER ABSORPTION; RADIO FREQUENCY ELECTROMAGNETIC FIELDS; SKIN BLOOD FLOW; SPECIFIC ABSORPTION RATE; TEMPERATURE DEPENDENCE; TEMPERATURE RISE; THERMOREGULATORY; TISSUE BLOOD FLOW; VOXEL MODELS;

BLOOD; COMPUTER SIMULATION; ELECTROMAGNETIC FIELDS; FINITE DIFFERENCE TIME DOMAIN METHOD; FLIGHT CONTROL SYSTEMS; HEMODYNAMICS; HOSIERY MANUFACTURE; TIME DOMAIN ANALYSIS; TISSUE;

ELECTROMAGNETIC FIELD EFFECTS;

ADULT; AIR; ARTICLE; AUDIOVISUAL EQUIPMENT; BIOLOGICAL MODEL; BLOOD FLOW; CLOTHING; HEAT SHOCK RESPONSE; HUMAN; MALE; RADIATION DOSE; RADIATION EXPOSURE; RADIOFREQUENCY RADIATION; TEMPERATURE; THERMOREGULATION;

ADULT; AIR; BODY TEMPERATURE REGULATION; CLOTHING; HEAT-SHOCK RESPONSE; HUMANS; MALE; MODELS, ANATOMIC; MODELS, BIOLOGICAL; RADIATION DOSAGE; RADIO WAVES; REGIONAL BLOOD FLOW; TEMPERATURE;

EID: 81355164237     PISSN: 00319155     EISSN: 13616560     Source Type: Journal    
DOI: 10.1088/0031-9155/56/23/008     Document Type: Article

References (58)

1. Adair E R and Black D R 2003 Thermoregulatory responses to RF energy absorption Bioelectromagnetics 24 S17-38
2. Adair E R, Kelleher S A, Mack G W and Morocco T S 1998 Thermophysiological responses of human volunteers during controlled whole-body radio frequency exposure at 450 MHz Bioelectromagnetics 19 232-45 (Pubitemid 128492597)
3. Adair E R, Mylacraine K S and Allen S J 2003 Thermophysiological consequences of whole body resonant RF exposure (100 MHz) in human volunteers Bioelectromagnetics 24 489-501 (Pubitemid 38622785)
4. Adair E R, Mylacraine K S and Cobb B L 2001 Human exposure to 2450 MHz CW energy at levels outside the IEEE C95.1 standard does not increase core temperature Bioelectromagnetics 22 429-39 (Pubitemid 33617705)
5. Anderson V 2008 Whole body average SAR limits should be removed from RF safety standards Proc. URSI General Assembly (Chicago) p K05.3
6. inc: What is the appropriate RF exposure metric in the range 1-10 GHz? Part I: using planar body models Bioelectromagnetics 31 454-66
7. Arkin H, Xu L and Holmes K 1994 Recent developments in modeling heat transfer in blood perfused tissues IEEE Trans. Biomed. Eng. 41 97-107 (Pubitemid 24152749)
8. Bakker J F, Paulides M M, Christ A, Kuster N and van Rhoon G C 2010 Assessment of induced SAR in children exposed to electromagnetic plane waves between 10 MHz and 5.6 GHz Phys. Med. Biol. 55 3115-30
9. Bakker J F, Paulides M M, Neufeld E, Christ A, Kuster N and van Rhoon G C 2011 Children and adults exposed to electromagnetic fields at the ICNIRP reference levels: theoretical assessment of the induced peak temperature increase Phys. Med. Biol. 56 4967-89
10. Bernardi P, Cavagnaro M, Pisa S and Piuzzi E 2000 Specific absorption rate and temperature increases in the head of a cellular-phone user IEEE Trans. Microw. Theory Tech. 48 1118-26
11. Bernardi P, Cavagnaro M, Pisa S and Piuzzi E 2003 Specific absorption rate and temperature elevation in a subject exposed in the far-field of radio-frequency sources operating in the 10-900 MHz range IEEE Trans. Biomed. Eng. 50 295-304 (Pubitemid 36331671)
12. Buccella C, De Santis V and Feliziani M 2007 Prediction of temperature increase in human eyes due to RF sources IEEE Trans. Electromagn. Compat. 49 825-33 (Pubitemid 350201041)
13. Charkoudian N 2003 Skin blood flow in adult human thermoregulation: How it works, when it does not, and why Mayo Clin. Proc. 78 603-12 (Pubitemid 36529901)
14. Charny C K, Hagmann M J and Lavin R L 1987 A whole body thermal model of man during hyperthermia IEEE Trans. Biomed. Eng. 34 375-87
15. Chatterjee I and Gandhi O P 1983 An inhomogeneous thermal block model of man for the electromagnetic environment IEEE Trans. Biomed. Eng. 30 707-15 (Pubitemid 14505103)
16. Fiala D, Lomas K J and Stohrer M 1999 A computer model of human thermoregulation for a wide range of environmental conditions: the passive system J. Appl. Physiol. 87 1957-72
17. Fiala D, Lomas K J and Stohrer M 2001 Computer prediction of human thermoregulatory and temperature responses to a wide range of environmental conditions Int. J. Biometeorol. 45 143-59 (Pubitemid 33629125)
18. Foster K and Adair E 2004 Modeling thermal responses in human subjects following extended exposure to radiofrequency energy BioMed. Eng. Online 3 4
19. Gabriel S, Lau R W and Gabriel C 1996 The dielectric properties of biological tissues: III. Parametric models for the dielectric spectrum of tissues Phys. Med. Biol. 41 2271-93 (Pubitemid 26376903)
20. Gao N P and Niu J L 2005 CFD study of the thermal environment around a human body: a review Indoor Built Environ. 14 5-16 (Pubitemid 40269357)
21. Gordon R G, Roemer R B and Horvath S M 1976 A mathematical model of the human temperature regulatory system - transient cold exposure response IEEE Trans. Biomed. Eng. 23 434-44 (Pubitemid 8078594)
22. Hand J W, Li Y and Hajnal J V 2010 Numerical study of RF exposure and the resulting temperature rise in the foetus during a magnetic resonance procedure Phys. Med. Biol. 55 913-30
23. Hirata A, Asano T and Fujiwara O 2007a FDTD analysis of human body-core temperature elevation due to RF far-field energy prescribed in the ICNIRP guidelines Phys. Med. Biol. 52 5013-23 (Pubitemid 47232302)
24. Hirata A, Asano T and Fujiwara O 2008 FDTD analysis of body-core temperature elevation in children and adults for whole-body exposure Phys. Med. Biol. 53 5223-38
25. Hirata A, Fujiwara O and Shiozawa T 2006a Correlation between peak spatial-average SAR and temperature increase due to antennas attached to human trunk IEEE Trans. Biomed. Eng. 53 1658-64 (Pubitemid 44150277)
26. Hirata A, Sugiyama H and Fujiwara O 2009 Estimation of core temperature elevation in humans and animals for whole-body averaged SAR Prog. Electromagn. Res. 99 53-70
27. Hirata A, Watanabe S, Fujiwara O, Kojima M, Sasaki K and Shiozawa T 2007b Temperature elevation in the eye of anatomically based human head models for plane-wave exposures Phys. Med. Biol. 52 6389-99 (Pubitemid 350093169)
28. Hirata A, Watanabe S, Kojima M, Hata I, Wake K, Taki M, Sasaki K, Fujiwara O and Shiozawa T 2006b Computational verification of anesthesia effect on temperature variations in rabbit eyes exposed to 2.45 GHz microwave energy Bioelectromagnetics 27 602-12 (Pubitemid 44863472)
29. Hoque M and Gandhi O 1988 Temperature distributions in the human leg for VLF-VHF exposures at the ANSI-recommended safety levels IEEE Trans. Biomed. Eng. 35 442-9
30. ICNIRP 1998 Guidelines for limiting exposure to time-varying electric, magnetic and electromagnetic fields (up to 300 GHz) Health Phys. 74 492-522
31. IEEE 2005 IEEE Standard for Safety Levels with Respect to Human Exposure to Radio Frequency Electromagnetic Fields, 3 kHz to 300 GHz, C95.1-2005 (New York: Institute of Electrical and Electronics Engineers) http://dx.doi.org/10. 1109/IEEESTD.2006.99501
32. Kellogg D L 2006 In vivo mechanisms of cutaneous vasodilation and vasoconstriction in humans during thermoregulatory challenges J. Appl. Physiol. 100 1709-18
33. Kikuchi S, Saito K, Takahashi M and Ito K 2010 Temperature elevation in the fetus from electromagnetic exposure during magnetic resonance imaging Phys. Med. Biol. 55 2411-25
34. Laakso I 2009 Assessment of the computational uncertainty of temperature rise and SAR in the eyes and brain under far-field exposure from 1 to 10 GHz Phys. Med. Biol. 54 3393-403
35. Laakso I 2011 Uncertainty in computational RF dosimetry PhD Thesis Aalto University http://lib.tkk.fi/Diss/2011/isbn9789526040035/
36. Lang J, Erdmann B and Seebass M 1999 Impact of nonlinear heat transfer on temperature control in regional hyperthermia IEEE Trans. Biomed. Eng. 46 1129-38 (Pubitemid 29409323)
37. Leeuwen G M V, Lagendijk J J, Leersum B J V, Zwamborn A P, Hornsleth S N and Kotte A N 1999 Calculation of change in brain temperatures due to exposure to a mobile phone Phys. Med. Biol. 44 2367-79 (Pubitemid 29484929)
38. Matikka H, Keshvari J and Lappalainen R 2010 Temperature changes associated with radiofrequency exposure near authentic metallic implants in the head phantom - a near field simulation study with 900, 1800 and 2450 MHz dipole Phys. Med. Biol. 55 5867-81
39. inc: What is the appropriate RF exposure metric in the range 1-10 GHz? Part II: using complex human body models Bioelectromagnetics 31 467-78
40. Nagaoka T, Watanabe S, Sakurai K, Kunieda E, Watanabe S, Taki M and Yamanaka Y 2004 Development of realistic high-resolution whole-body voxel models of Japanese adult males and females of average height and weight, and application of models to radio-frequency electromagnetic-field dosimetry Phys. Med. Biol. 49 1-15 (Pubitemid 38100619)
41. Nelson D A, Charbonnel S, Curran A R, Marttila E A, Fiala D, Mason P A and Ziriax J M 2009 A high-resolution voxel model for predicting local tissue temperatures in humans subjected to warm and hot environments J. Biomech. Eng. 131 041003
42. Neufeld E, Chavannes N, Samaras T and Kuster N 2007 Novel conformal technique to reduce staircasing artifacts at material boundaries for FDTD modeling of the bioheat equation Phys. Med. Biol. 52 4371-81 (Pubitemid 47103130)
43. Nishi Y and Gagge A 1970 Moisture permeation of clothing: a factor governing thermal equilibrium and comfort ASHRAE Trans. 76 137-45
44. Pennes H H 1948 Analysis of tissue and arterial blood temperature in the resting human forearm J. Appl. Physiol. 1 93-122
45. Samaras T, Christ A and Kuster N 2006 Effects of geometry discretization aspects on the numerical solution of the bioheat transfer equation with the FDTD technique Phys. Med. Biol. 51 N221-9
46. Samaras T, Kalampaliki E and Sahalos J 2007 Influence of thermophysiological parameters on the calculations of temperature rise in the head of mobile phone users IEEE Trans. Electromagn. Compat. 49 936-9 (Pubitemid 350201055)
47. Song C W 1984 Effect of local hyperthermia on blood flow and microenvironment: a review Cancer Res. 44 4721s-30s (Pubitemid 14000088)
48. Spiegel R J 1984 A review of numerical models for predicting the energy deposition and resultant thermal response of humans exposed to electromagnetic fields IEEE Trans. Microw. Theory Tech. 32 730-46
49. Stolwijk J A J 1971 A mathematical model of physiological temperature regulation in man NASA Contractor Rep. NASA Cr-1855 (New Haven, CT: NASA) http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/ 19710023925-1971023925.pdf
50. Stolwijk J A J and Hardy J D 1966 Temperature regulation in man - a theoretical study Pflugers Arch. 291 129-62
51. Taflove A and Hagness S C 2005 Computational Electrodynamics: The Finite-Difference Time-Domain Method 3rd edn (Boston, MA: Artech House Publishers)
52. Uusitupa T, Laakso I, Ilvonen S and Nikoskinen K 2010 SAR variation study from 300 to 5000 MHz for 15 voxel models including different postures Phys. Med. Biol. 55 1157-76
53. Wainwright P 2000 Thermal effects of radiation from cellular telephones Phys. Med. Biol. 45 2363-72 (Pubitemid 30622558)
54. Wainwright P R 2003 The relationship of temperature rise to specific absorption rate and current in the human leg for exposure to electromagnetic radiation in the high frequency band Phys. Med. Biol. 48 3143-55 (Pubitemid 37258360)
55. Wang J and Fujiwara O 1999 FDTD computation of temperature rise in the human head for portable telephones IEEE Trans. Microw. Theory Tech. 47 1528-34
56. Williams L R and Leggett R W 1989 Reference values for resting blood flow to organs of man Clin. Phys. Physiol. Meas. 10 187-217 (Pubitemid 19213147)
57. Wissler E H 1998 Pennes' 1948 paper revisited J. Appl. Physiol. 85 35-41 (Pubitemid 28334903)
58. Zastrow E, Hagness S C and Veen B D V 2010 3D computational study of non-invasive patient-specific microwave hyperthermia treatment of breast cancer Phys. Med. Biol. 55 3611-29