EMF Health-effects Research
Electromagnetic pulses induce fluctuations in blood pressure in rats
Li BF, Guo GZ, Ren DQ, Zhang RB
Int J Radiat Biol. 83(6):421-429. 2007
Purpose: To investigate the effects of exposure to electromagnetic pulses (EMP) on functional indices of the cardiovascular system in male Sprague-Dawley rats.
Materials and methods: A tapered parallel plate Gigahertz Transverse Electromagnetic cell (GTEM cell) with a flared rectangular coaxial transmission line was used to expose the rats to EMP (0.5 pps, total 200 pulses and whole-body averaged specific absorption rate 50 mW/kg at 200 kV/m or 75 mW/kg at 400 kV/m). Concurrent sham-exposed animals were used as controls.
Cardiovascular functions, namely, heart rate, and systolic, mean and diastolic blood pressures were measured immediately and up to 4 weeks post-exposure using a non-invasive tail-cuff photoelectric sensor sphygmomanometer.
Results: The heart rates in sham- and EMP-exposed rats were not significantly changed.
Conclusions: Significant alterations in arterial blood pressure were observed in rats exposed to EMP exposure while heart rate was not altered.