Wavelet analysis of the effects of static magnetic field on skin blood flowmotion: Investigation using an in vivo rat model

In Vivo

Volumn 21, Issue 1, 2007, Pages 61-68

  Li, Zengyong ^a   Tam, Eric W C ^a   Mak, Arthur F T ^a   Lau, Roy Y C ^a  

^a HONG KONG POLYTECHNIC UNIVERSITY   (Hong Kong)

Author keywords

Flowmotion; Pressure ulcer; Spectral analysis; Static magnetic fields; Wavelet transform

Indexed keywords

AMPLITUDE MODULATION; ANIMAL EXPERIMENT; ARTICLE; BLOOD VESSEL TONE; CONTROLLED STUDY; IN VIVO STUDY; LASER DOPPLER FLOWMETRY; MAGNETIC FIELD; NONHUMAN; RAT; SKIN BLOOD FLOW; STATISTICAL SIGNIFICANCE; STRESS; TISSUE PERFUSION; VASCULAR ENDOTHELIUM;

EID: 33847630059     PISSN: 0258851X     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (37)

1. Gustafsson U, Wardell K, Nilsson GE and Lewis DH: Vasomotion in rat skeletal-muscle induced by hemorrhage as recorded by laser-doppler flowmetry. Microvasc Res 4 (2): 224-228, 1991.
2. Colantuoni A, Bertuglia S and Intaglietta M: Microvascular vasomotion: Origin of laser Doppler fluxmotion. Int J Microcirc Clin Exp 14: 151-188, 1994.
3. Bollinger A, Yanar A, Hoffmann U and Franzeck UK: Is high-frequency fluxmotin due to respiration or to vasomotion activity? In: Progress in Applied Microcirculation, Messmer K (ed.). Karger, Basel, pp. 52-58, 1993
4. Li ZY, Tam EWC, Leung JYS and Mak AFT: Wavelet analysis of skin blood oscillations in persons with spinal cord injury and normal subjects. Arch Phys Med and Rehab 87: 1207-1212, 2006
5. Schubert V, Schubert PA, Breit G and Intaglietta M: Analysis of arterial flowmotion in spinal-cord injured and elderly subjects in an area at risk for the development of pressure sores Paraplegia 33(7): 387-397, 1995.
6. Ohkubo C and Xu S: Acute effects of static magnetic fields on cutaneous microcirculation in rabbits. In Vivo 11: 221-225, 1997.
7. Ohkubo C, Gmitrov J, Xu S and Nakayama E: Vasodilator effects of static magnetic fields on cutaneous microcirculation under increased vascular tone in the rabbits. In: Microcirculation Annual, Vol. 13, Tsuchiya M et al. (eds.). Tokyo: Nihon-Igakukan, pp. 75-76, 1997.
8. Xu S, Okano H and Ohkubo C: Subchronic effects of static magnetic fields on cutaneous microcirculation in rabbits, In Vivo 12: 383-389, 1998.
9. Okano H, Gmitrov J and Ohkubo C: Biphasic effects of static magnetic fields on cutaneous microcirculation in rabbits. Bioelectromagnetics 20: 161-171, 1999.
10. Bertuglia S, Colantuoni A, Arnold M and Witte H: Dynamic coherence analysis of vasomotion and flow motion in skeletal muscle microcirculation. Microvas Res 52(3): 235-244, 1996.
11. Geyer MJ, Jan YK, Brienza DM and Boninger ML: Using wavelet analysis to characterize the thermoregulatory mechanisms of sacral skin blood flow. J Rehab Res Devel 41(6A): 797-806, 2004.
12. Bracic M and Stefanovska A: Wavelet-based analysis of human blood-flow dynamics. Bulletin Mathematical Biology 60(5): 919-935, 1998.
13. Bajrovic F, Cenfur M, Hoiif M, Ribarif S and Stefanovska A: The contribution of lumbar sympathetic neurones activity to rat skin blood flow oscillations. Eur J Physiol 439(Suppl): R158-R160, 2000.
14. Kvernmo HD, Stefanovska A, Kirkebøen KA, Østerud B and Kvernebo K: Spectral analysis of the laser Doppler perfusion signal in human skin before and after exercise. Microvasc Res 56: 173-182, 1998.
15. Kvernmo HD, Stefanovska A and Kirkeboen KA: Enhanced endothelial activity reflected in cutaneous blood low oscillations of athletes. Eur J Appl Physiol 90(1-2): 16-22, 2003.
16. Humeau A, Koitka A, Abraham P, Saumet JL and L'Huillier JP: Time-frequency analysis of laser Doppler flowmetry signals recorded in response to a progressive pressure applied locally on anaesthetized healthy rats. Phys Med Biol 49(5): 843-857, 2004.
17. Kastrup J, Bulow J and Lassen NA: Vasomotion in human skin before and after local heating recorded with laser Doppler flowmetry. Int J Microcirc Clin Exp 8: 205-215, 1989.
18. Muck-Weymann ME, Albrecht HP, Hager D, Hiller D, Hornstein OP and Bauer RD: Respiratory-dependent laser-Doppler flux motion in different skin areas and its meaning to autonomic nervous control of the vessels of the skin. Microvasc Res 52: 69-78, 1996.
19. Stefanovska A, Bracic M and Kvernmo HD: Wavelet analysis of oscillations in the peripheral blood circulation measured by laser Doppler technique. IEEE Trans Biomed Eng 46: 1230-1239, 1999.
20. Soderstrom T, Stefanovska A, Veber M and Svensson H: Involvement of sympathetic nerve activity in skin blood flow oscillations in humans. Am J Physiol Heart Circ Physiol 284: H1638-H1646, 2003.
21. Allman R: Pressure ulcer prevalence, incidence, risk factors and impact. Clin Geriatr Med 13: 421-436, 1997
22. Herrman EC, Knapp CF, Donofrio JC and Salcido R: Skin perfusion responses to surface pressure-induced ischemia: Implication for the developing pressure ulcer Journal of rehabilitation research and development 36(2): 109-120, 1999.
23. Li ZY, Tam EWC, Kwan MPC, Mak AFT, Lo SCL and Leung MCP: Effects of prolonged surface pressure to the skin blood flowmotions in anaesthetized rats - assessment by spectral analysis of laser Doppler flowmetry signals. Phys Med Biol 51: 2681-2694, 2006.
24. Kwan MPC, Tam EWC, Lo SCL and Leung MCP: Effect of pressure on tissue viability: investigation using and experimental rat model: Conference on Biomedical Engineering, BME 2004, 23rd-25th September, Hong Kong, pp. 152-156, 2004.
25. Mayrovitz HN, Groseclose EE, Markov M and Pilla AA: Effects of permanent magnets on resting skin blood perfusion in healthy persons assessed by laser Doppler flowmetry and imaging. Bioelectromagnetics 22(7): 494-502, 2001.
26. Kvernmo HD, Stefanovska A, Kirkebøen KA, Kvernebo K. Oscillations in the human cutaneous blood perfusion signal modified by endothelium-dependent and endothelium-independent vasodilators. Microvasc Res 57: 298-309, 1999.
27. Morlet J: Sampling theory and wave propagation. In: NATO ASI Series Vol. I. Chen CH (ed.). Issues in Acoustic Signal/Image Processing and Recognition. Springer Verlag, Berlin, pp. 233-261, 1983.
28. Janssen BJA, Oosting J, Slaaf DW, Persson PB and Struijker-Boudier HAJ: Hemodynamic basis of oscillations in systemic arterial pressure in conscious rats Am J Physiol 269: H62-H71, 1995.
29. Xu S, Okano H and Ohkubo C: Acute effects of whole-body exposure to static magnetic fields and 50-Hz electromagnetic fields on muscle microcirculation in anesthetized mice Bioelectrochemistry 53: 127-135, 2000.
30. Michael HR and Greenebaum B: Interaction of static and extremelylow frequency electric and magnetic fields with living systems: health effects and research needs. bioelectromagnetics 20: 133-160, 1999.
31. Masahiro S, Ichioka S and Kamiya A: Estimating oxygen consumption rates of arteriolar walls under physiological conditions in rat skeletal muscle. Am J Physiol Heart Circ Physiol 289: H295-H300, 2005.
32. Okano H and Ohkubo C: Vasoconstricting effects of static magnetic fields on cutaneous microcirculation under decreased vascular tone in the rabbit. In: Microcirculation Annual, vol. 14. Tsuchiya M, Asano Y and Nozaka Y (eds.). Nihon-Igakukan, Tokyo, pp. 131-132, 1998.
33. Steyn PF, Ramey DW, Kirschvink J and Uhrig J: Effect of a static magnetic field on blood flow to the metacarpus in horses. J Am Vet Med Assoc 217(6): 874-877, 2000.
34. Martel GF, Andrews SC and Roseboom CG: Comparison of static and placebo magnets on resting forearm blood flow in young, healthy men. J Orthopaed Sports Physi Ther 32(10): 518-524, 2002.
35. Baker CH and Sutton ET: Antagonism of acetylcholine and adenosine rat cremaster arteriolar vasodilation by combination of NO antagonists. Int J Microcirc: Clin Exp 12: 275-286, 1993.
36. Lin KF, Chao L and Chao J: Prolonged reduction of high blood pressure with human nitric oxide synthase gene delivery. Hypertension 30: 307-313, 1997.
37. Cines DB, Pollak ES, Buck CA, Loscalzo J, Zimmerman GA, McEver RP, Pober JS, Wick TM, Konkle BA, Schwartz BS, Barnathan ES, McCrae KR, Hug BA, Schmidt AM and Stern DM: Endothelial cells in physiology and in the pathophysiology of vascular disorders. Blood 91: 3527-3561, 1998.