Air ionisation and colonisation/infection with methicillin-resistant Staphylococcus aureus and Acinetobacter species in an intensive care unit

Kerr, Kevin G.; Beggs, Clive; Dean, S; Thornton, Judith; Donnelly, Judith K.; Todd, Neil; Sleigh, Andrew; Qureshi, Andleeb; Taylor, Charles

doi:10.1007/s00134-005-0002-8

Cited by 39 publications

(32 citation statements)

References 5 publications

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“…This value was much greater than those reported by Perdelli et al (2008) (1.8 cfu/plate) and Kerr et al (2006) (0-57 cfu, n = 30), but appeared to be an isolated case considering that the frequency of positive detection and the mean count were 9.65% and 1.64 cfu/plate, values which were less than those of P. aeruginosa and not markedly different than the others. Nonetheless, this result reflects the strong possibility to spread the bacteria though indirect pathways such as handling contaminated objects by the medical staff.…”

Section: Airborne and Surface-bound Bacteria Concentrations (Icu I)contrasting

confidence: 63%

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Airborne and Surface-Bound Microbial Contamination in Two Intensive Care Units of a Medical Center in Central Taiwan

Huang

Shi

Chen

et al. 2013

Aerosol Air Qual. Res.

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Samples of airborne and surface-bound microbial contamination were taken in two intensive care units of a large-scale medical center. Microbial analyses included total bacterial and fungal loads, as well as the four bacterial species of Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and Acinetobacter baumannii. Among the 114 surface samples taken from seven designated surface locations of room and equipment for each patient, P. aeruginosa was the most frequently detected (19.3%) and most abundant (mean count: 4.18 cfu/plate) bacterium, whereas the respirator represented the most heavily contaminated surface location in both total pathogenic bacteria colony counts (272 cfu) and frequency of positive detection (38.2%). P. aeruginosa also represented the most frequently detected (39.1%, n = 46) and abundant (11.52 ± 17.16 cfu/m 3 ) bacterium in the air samples (n = 46), and was the only bacterium exhibiting a positive correlation of the mean counts between air and surface samples. The data analysis results further suggested a higher value of relative risk among the infected patients in the presence of the pathogens as compared to those in the absence of them, although the evidence of a of correlation for the individual bacterial species between the environmental samples and infected patients was inconclusive. This study also found that the mean airborne counts and the detection frequencies of these bacteria after patient visitation periods were higher than those before visitation, and that the installation of local air ionizers did not lead to any discernible differences in total bacterial and fungal concentrations.

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Section: Airborne and Surface-bound Bacteria Concentrations (Icu I)contrasting

confidence: 63%

“…In a study by Kerr et al (2006) that compares the presence of MRSA and Acinetobacter spp. in the presence and absence of a negative air ionization in an ICU, they reported there was a significant reduction of the incidence of nosocomial Acinetobacter spp.…”

Section: Effects Of Patient Visitation Activities and Local Air Purifmentioning

confidence: 99%

Airborne and Surface-Bound Microbial Contamination in Two Intensive Care Units of a Medical Center in Central Taiwan

Huang

Shi

Chen

et al. 2013

Aerosol Air Qual. Res.

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“…Escombe et al (2009) showed that both UVGI and negative air ionisers reduced the transmission of TB from humans to guinea pigs in a clinical setting, while Kerr et al (2006) showed that the installation of ionisers in an ICU reduced the incidence of acinetobactor infections. Both trials had their challenges.…”

Section: Future Needsmentioning

confidence: 99%

Engineering control of respiratory infection and low-energy design of healthcare facilities

Tang

Noakes

et al. 2014

Science and Technology for the Built Environment

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“…Many electric appliances have negative-ion functions [9]. There is a great potential for utilization of NAI generators in preventing decay of fruits and vegetables [10], reducing the ambient air microbial load [11] and hospital-acquired infections in clinics [12,13] as well as preventing the spread of diseases in animal houses [14].…”

Section: Introductionmentioning

confidence: 99%

Generation and Determination of Negative Air Ions

Lin

2017

J. Anal. Test.

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This review intends to cover a range of brief description of the generation mechanisms, the determination of the concentration, and the identification of negative air ions (NAI). This is divided into two parts: (i) it pays attention to the generation of NAI, which contains natural and artificial methods. According to the variation of energy in the environment, different methods based on natural generation are introduced in detail. As for artificial generation of NAI, corona discharge is dominantly elaborated due to its preponderance in convenient to control of the concentration of ions. (ii) it tends to introduce the determination of NAI, containing quantitative and qualitative detection, by using ion counting device and mass spectrometer, respectively.

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Air ionisation and colonisation/infection with methicillin-resistant Staphylococcus aureus and Acinetobacter species in an intensive care unit

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Cited by 39 publications

References 5 publications

Airborne and Surface-Bound Microbial Contamination in Two Intensive Care Units of a Medical Center in Central Taiwan

Airborne and Surface-Bound Microbial Contamination in Two Intensive Care Units of a Medical Center in Central Taiwan

Engineering control of respiratory infection and low-energy design of healthcare facilities

Generation and Determination of Negative Air Ions

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