Key result
Occupational exposure to low-dose ionizing radiation from intraoperative fluoroscopy did not significantly alter mean white blood cell, red blood cell, or platelet counts over a 2-year period.
Why the study?
Does chronic exposure to low-dose ionizing radiation from intraoperative fluoroscopy alter hematological parameters in medical professionals over 2 years?
Observational (n=22)
No
Does chronic exposure to low-dose ionizing radiation from intraoperative fluoroscopy alter hematological parameters in medical professionals over 2 years?
Absolute Event Rate: 6.76% vs 6.72%
p-value: p=0.90
Routine hematological parameter surveys may not be reliable biological indicators of long-term exposure to very low doses of radiation in medical professionals.
Serial blood counts showed no significant changes over 2 years; leaves open whether hematological parameters reliably indicate chronic low-dose occupational exposure.
Medical professionals involved at intraoperative fluoroscopy are exposed to low doses of the occupational radiation exposures. The biological effects of chronic low-dose radiation on human health are complex and have not been well established. The aim of the present study is to follow up hematological parameter changes during 2 years in medical professionals exposed to ionization radiation in operating rooms. 22 medical professionals (medical specialists and technicians), chronically exposed to ionizing radiation of mobile C-Arm X ray machine, were selected. The seven hematological parameters were examined each time. The statistical analyses were done by Student’s t test and one way ONOVA test. The data analysis led to the following observations: (1) the present study incorporated that the basic hematological parameters including the mean value of red blood cells (P=0.90), white blood cells (P=0.68), and platelets count (P=0.45) did not show a significant difference between two years. (2) The mean values corpuscular hemoglobin concentration, corpuscular hemoglobin, and hematocrit parameters were found disturbed low or high in some of medical professionals but their means were not significantly different between two measurements. (3)A statistically significant relation in mean value of RBCs with the duration of exposure and sex were observed. It seems that, hematological parameters survey could not be a reliable test as the biological indicator of long term exposure to very low dose of radiation exposure in medical professionals which their physical dosimetry values are lower than dose limits.
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Shafiee et al. (2016) conducted an observational in Occupational radiation exposure (n=22). Occupational low-dose ionizing radiation vs. Baseline (2014 measurements) was evaluated on Mean white blood cell count (10^3/Cmm) (p=0.90). Occupational exposure to low-dose ionizing radiation from intraoperative fluoroscopy did not significantly alter mean white blood cell, red blood cell, or platelet counts over a 2-year period.
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