A comparative study of radiation dose and screening time between mini C-arm and standard fluoroscopy in elective foot and ankle surgery.

Background: Mini C-arm devices have gained popularity in extremity surgery. There is little evidence of the benefits of this technique in the clinical setting of foot and ankle surgery. We used dose area product (DAP) to compare radiation usage between mini C-arm and standard fluoroscopy.

[The effect of occupational exposure to styrene on the metabolism of lipids and lipoproteins].

A total of 53 subjects with working exposure to styrene (1-29 years) has been investigated. On lipid and lipoproteins examination, only 8 persons (15%) showed normal values. The amount of 26 (49%) persons had the increase in HDL-cholesterol values.

Health care provided to persons engaged in freeze-drying and conservation of biological objects by means of low temperatures.

Permanent and systematical attention must be paid to the care how to protect health of workers in processes of freeze-drying and conservation of biological objects by means of low temperatures. Biohazards include also development of occupational diseases. Preventive care provided to workers is recommended in the form of admission and periodical checks.