Comparative Assessment of Detecting Bacterial Populations on the Surface of Medical Equipment in ICU by Standard Microbial Culture and Nanosensor

Abstract

Abstract: A healthy, clean, and secure environment is necessary for the hospital, one of the fundamental foundations of the nation's healthcare system, to function well and sustain the general well-being of society. Timely detection of contaminated surfaces and efficient and timely disinfection will be helpful in hospital infection control. For this purpose, the level of surface contamination of medical equipment in intensive care units was to be determined and compared as part of this research. Method: The present study was carried out descriptively, with a sample size of 400 cases on ten types of medical equipment, for one month, with two method Nano sensors color indicator and standard microbial Culture. Results: According to the results obtained, we saw 182 cases of contamination (45.5%) in the samples obtained with the Nanosensor and 176 points of contamination (44%) in the samples obtained with the microbial culture medium, in both bedside instruments and ventilators as The most contaminated surfaces were identified. Also, E. coli, at 55.68%, Staphylococcus aureus, at 28.9%, and Salmonella 23.86%, were recognized as the most common microorganisms. Conclusion: Both methods have the necessary precision to identify contamination reservoirs, And the contamination reported in both methods is similar to what was expected. So in cases where the goal is not to distinguish the type of microorganisms and only to identify the general contamination, Nanosensors can be used as a fast, accurate, and low-cost method.

Keywords

• Cross Infection
• Nanotechnology
• Infection Control
• Indicators and Reagents
• Healthcare-Associated Infections