Abstract
The purpose of this study was to compare the disinfection rate of a laboratory environment before and after glow powder exposure and training of sonography students (n = 23) and establish if glow powder was an effective teaching technique for infection protection and control (IPC). Fourteen locations at four scanning stations were contaminated with glow powder, visible under ultraviolet light. Students were shown contaminated areas and debriefed on the importance of disinfection. This activity was repeated to ascertain effectiveness of the training. In total, 204 areas were examined for contamination. Observation 1 revealed 21 locations (30.8%), and observation 2 detected glow powder on 12 locations (17.6%). Overall decrease in contamination rate was 13%. The gel bottle was the most frequently contaminated. The curved 3.5-MHz transducer was consistently cleaned. Disinfectant spray, time gain compensation, bed, stool, screen, and handles of the machine remained contaminated. Students’ IPC increased significantly after glow powder training, and secondary spread was reduced by 16%.
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