A Comparative Study on Microbial Air Quality of Radiology and Patient Waiting Rooms of a Full-Equipped Hospital in Aydın Province
Öz
Every year many patients die due to hospital-acquired infections. These infections also put the lives of healthcare workers at risk. Additionally, hospitals are one of the main reservoirs of antimicrobial resistance. In this study, the effect of X-rays on species diversity and functions and antimicrobial resistance were observed. Metagenome analysis was performed on air samples taken from the x-ray room (radiation exposure) and the waiting room (non-radiation area) to examine whether the radiation affected the species present in the air. The diversity of microorganisms was analysed based on phylum, genus, and species levels. Functional profiling and resistance screening were also performed. X-ray radiation was found to have a major effect at the phylum level. It was observed that Proteobacteria species almost dominated the microbiome in the x-ray room (99%) while Actinobacteria species dominated the microbiome in the waiting room (84%). No significant differences were observed between the two areas in functional profiling. A total of thirty-eight functions were observed, twenty-four of which were overlapping. Antimicrobial resistance was not as diverse as expected. Only beta-lactam, penicillin, tetracycline, and lincomycin resistance genes were present (2364 reads belonging to four different genes). According to the results, it was observed that X-rays affected the air microbiome, as expected. A decrease in the number of microorganisms was expected, but it was also observed that the dominant microorganism types changed. On the other hand, no significant difference was found in terms of functional profiling and no significant antimicrobial resistance was observed.
Anahtar Kelimeler
Air microbiome, Air quality, Metagenome, X-Ray room
Teşekkür
This study was conducted at Aydın Adnan Menderes University, Faculty of Science and Literature, Microbiology Laboratory.
Kaynakça
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