The prevalence of Gram Negative Bacilli Isolated from the Equipment and Surfaces in Hospital, West of Golestan

Nosocomial infections due to mortality and economic cost, are one of the causes of mortality in hospitalized patients. Gram-negative bacilli infections acquired in hospitals and hospital environment is one of the most important places of residence and publication of this type of bacteria. This study aimed to investigate the prevalence of gram-negative bacilli from the equipment of hospital in West of Golestan, 2015.
Methods and Materials: This Descriptive study was carried out on 1210 devices and equipments used in various wards of 7 teaching hospitals of Golestan province. Identification of the isolated colonies were based on biochemical standard tests.
352 positive microbial cultures (29.1%) were for the presence of gram-negative bacilli. The highest bacterial contamination is related to Enterobacter (10.7%). The among different hospital wards highest bacterial contamination is related to ICU (19.32%). The equipment under test, the highest contamination is related to laryngoscope blades (10.51%), phone (7.1%) and ECG sensor device and the monitoring interface (6.25%).
The findings of this research showed that microbial contamination with gram-negative bacilli of hospitals equipment is high in West of Golestan. Periodic assessments can be effective in the prevention of nosocomial infections.