Evaluation of fungal contamination in operating rooms using a dusting cloth pad: comparison among different sampling methods.

To evaluate microbial contamination in hospitals environments, several methods are available, each one having its limitations. Therefore, the choice of system to use is open. This study compares the ability of a dusting cloth pad (DC pad) with 2 other methods (Rodac contact plate and air sampling) to detect contamination because of filamentous fungi in operating rooms, performing 110 sampling campaigns in hospitals of 3 Italian cities. Overall, 96% of the DC pad samples were positive compared with 51% of Rodac plates (P < .0001) and 35% of air samples (P < .0001). Authors conclude that the DC pad improves the ability to detect an environmental contamination of filamentous fungi.

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