Cardiovascular risk under electromagnetic exposure
in physiotherapy |
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Authors: | Michel Israel Katia Vangelova Michaela Ivanova |
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Institution: | (1) National Center Of Public Health Protection, 15 Acad. Ivan Geshov Boulevard,, Sofia, 1431, Bulgaria |
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Abstract: | The aim of the study was to assess the long-term effects of electromagnetic radiation (EMR) on cardiovascular system of medical
staff in physiotherapy. A number of 52 exposed subjects (4 male and 48 female; aged 47.3 ± 8.7 years), and a control group
of 52 subjects, matched by sex and age, with similar job characteristics without EMR exposure were studied. The EMR exposure
from devices emitting at 50 Hz, 150 kHz, 27.12 MHz, 2.45 GHz, and optical radiation was assessed. The relative values of EMR
for the whole frequency range in each physiotherapy were calculated and the obtained quota was much larger than 1. The workload
and psychosocial factors were evaluated, too. The cardiovascular risk factors arterial pressure, lipid profile, body mass
index, waist/hip ratio, smoking, alcohol consumption, nutrition, family history of cardiovascular disease were studied. The
incidence of hypertension was moderate with the studied physiotherapists (26.9% v.s. 23.8% control group). The total cholesterol
(TC) and low-density lipoprotein cholesterol (LDL-C) were significantly higher in the exposed group. The odds ratios indicate
higher possibility of becoming dyslipidemic for the exposed to EMR subjects for TC OR (95% CI) = 1.570 (1.048–2.351) and
for LDL-C OR (95% CI) = 1.840 (1.158–2.924)]. In conclusion, our data show that the EMR exposure of the medical staff in physiotherapy
could be associated with the adverse effects on cardiovascular system. |
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Keywords: | Hypertension Dyslipidemia EMR exposure Long-term effects Health risk |
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