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Effects of Ionizing Radiation on Respiratory Function Tests and Blood Parameters in Radiology Staff



Aim: To evaluate pulmonary function tests and blood parameters and their relationship with sociodemographic data for radiology staff continuously exposed to ionizing radiation.

Subjects and Method: Thirty-eight personnel from Suleyman Demirel University Training and Research Hospital, Radiology Unit were included in this study. Sociodemographic data were evaluated by a questionnare that was developed by the researchers. Height and weight measurements were performed with a standard scale and meter. Routine blood parameters and spirometric lung function measurements of the cases were recorded. Statistical significances were determined by independent t-test, analysis of variance (ANOVA), bivariate correlation and Kruskal-Wallis tests using SPSS 18.0.

Results: The mean age was 32.42 ± 5.5 years; 19 patients (50%) were male and 19 patients (50%) were female. Body mass index (BMI) was calculated as 25.68 ± 0.47 for men and 24.58 ± 1.13 for women. Forced vital capacity (FVC), forced expiratory volume in the 1st second (FEV1), peak expiratory flow (PEF) and maximum mid-expiratory flow (FEF25-75) values showed​statistically significant differences between gender (p < 0.01). In addition, FEVand FEF25-75 also demonstrated statistically negatively significant difference with the type of the task (p < 0.05). A statistically significant negative difference was found between FEF25-75  value and time to start smoking (p < 0.05). Among FVC, FEV1, PEF and FEF25-75 values ​​ and alcohol usage, statistically significant positive difference was detected (p < 0.05). Statistically significant positive difference was found between FVC, PEF and FEF25-75 values ​​and sports activity (p < 0.05). According to BMI groups,  statistically significant positive difference with FVC, FEV1 and PEF values were found ​​(p < 0.05). Statistically significant correlations were found between FVC value and  haemoglobin level (Hgb), haematocrit level (Hct), mean corpuscular volume (MCV), between FEV1 value  and haemoglobin level, MCV, between PEF value and red blood cell count (RBC), Hgb, Hct, MCV, red cell distribution width (RDW) and between FEF25-75 value and MCV.

Conclusion: Although respiratory functions of radiology staff are affected by many factors, continuous exposure to ionizing radiation is one of the important parameters. Radiology staff  should be informed about preventable factors that negatively affect the respiratory functions.

12 Feb, 2013
e-Published: 04 Mar, 2014
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