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  • Title: [The relationship between airborne colonization and nosocomial infections in intensive care units].
    Author: Dürmaz G, Kiremitçi A, Akgün Y, Oz Y, Kaşifoğlu N, Aybey A, Kiraz N.
    Journal: Mikrobiyol Bul; 2005 Oct; 39(4):465-71. PubMed ID: 16544548.
    Abstract:
    The relationship between the airborne contaminants obtained from operating theatres and intensive care units and the colonizing and infecting microorganisms isolated from patients were investigated. Air samples were obtained with the biocollector air IDEAL (BioMerieux, France). During the study period (19 weeks), a total of 77 air samples and 870 clinical specimens (swabs from throat, nose, conjunctiva and skin) from 174 patients were collected weekly. Microorganisms were identified by using Vitek system (BioMerieux, France) and conventional methods. According to the criteria of Federal Standard 209E (FD 209E) on cleanrooms, the conventionally ventilated operating- and general surgery rooms, and the anesthesia intensive care unit have been ranked as less than class 3.5 and 3, respectively. The frequency of nosocomial infection related to air-colonization was higher in patients of anestesia intensive care unit (16.4%), than in those of general surgery intensive care unit (4.9%). In general surgery rooms and anesthesia intensive care unit, the most frequent air-colonization related nosocomial infections were surgical wound infections and bacteremia, respectively. The most frequently isolated microorganisms were methicillin resistant Staphylococcus aureus (MRSA) and Acinetobacter baumannii. It can be concluded that, total number of airborne viable particles in the critical areas such as operating theatres and intensive care units, seems to be a significant risk factor for the development of nosocomial infections in immunocompromised patients.
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