Point-of-use filtration method for the prevention of fungal contamination of hospital water
Summary Published data implicate hospital water as a potential source of opportunistic fungi that may cause life-threatening infections in immunocompromised patients. Point-of-care filters are known to retain bacteria, but little is known about their efficacy in reducing exposure to moulds. We inves...
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| Veröffentlicht in: | The Journal of hospital infection 2010-09, Vol.76 (1), p.56-59 |
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| container_title | The Journal of hospital infection |
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| creator | Warris, A Onken, A Gaustad, P Janssen, W van der Lee, H Verweij, P.E Abrahamsen, T.G |
| description | Summary Published data implicate hospital water as a potential source of opportunistic fungi that may cause life-threatening infections in immunocompromised patients. Point-of-care filters are known to retain bacteria, but little is known about their efficacy in reducing exposure to moulds. We investigated the effect of point-of-use filters (Pall-Aquasafe® ) on the level of contamination of Aspergillus fumigatus and other filamentous fungi. The point-of-use filters were applied to several outlets (taps and showers) on the paediatric bone marrow transplantation (BMT) unit of the National Hospital in Oslo, Norway. In addition the efficacy was investigated using a test rig. The laboratory experiments showed that the filters were highly effective in reducing the number of colony-forming units for a period of at least 15 days. In the BMT unit the filters eliminated the fungi from the water on day 1 but due to particles present in the water the filters occluded, which prevented further evaluations. Our results show that point-of-use filtration might be an effective preventive measure to eliminate filamentous fungi at individual points of water use, thereby reducing patients’ exposure. |
| doi_str_mv | 10.1016/j.jhin.2010.03.014 |
| format | Article |
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Point-of-care filters are known to retain bacteria, but little is known about their efficacy in reducing exposure to moulds. We investigated the effect of point-of-use filters (Pall-Aquasafe® ) on the level of contamination of Aspergillus fumigatus and other filamentous fungi. The point-of-use filters were applied to several outlets (taps and showers) on the paediatric bone marrow transplantation (BMT) unit of the National Hospital in Oslo, Norway. In addition the efficacy was investigated using a test rig. The laboratory experiments showed that the filters were highly effective in reducing the number of colony-forming units for a period of at least 15 days. In the BMT unit the filters eliminated the fungi from the water on day 1 but due to particles present in the water the filters occluded, which prevented further evaluations. Our results show that point-of-use filtration might be an effective preventive measure to eliminate filamentous fungi at individual points of water use, thereby reducing patients’ exposure.</description><identifier>ISSN: 0195-6701</identifier><identifier>EISSN: 1532-2939</identifier><identifier>DOI: 10.1016/j.jhin.2010.03.014</identifier><identifier>PMID: 20542590</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Aspergillus fumigatus ; Biological and medical sciences ; Colony Count, Microbial ; Filamentous fungi ; Filtration - methods ; Fungi - isolation & purification ; General aspects ; Hospital infection ; Hospitals ; Human infectious diseases. Experimental studies and models ; Humans ; Infectious Disease ; Infectious diseases ; Medical sciences ; Norway ; Point-of-Care Systems ; Point-of-use filters ; Water Microbiology ; Water Purification - methods ; Water supply</subject><ispartof>The Journal of hospital infection, 2010-09, Vol.76 (1), p.56-59</ispartof><rights>The Hospital Infection Society</rights><rights>2010 The Hospital Infection Society</rights><rights>2015 INIST-CNRS</rights><rights>Copyright 2010 The Hospital Infection Society. Published by Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c538t-6bde5b6b02e4de440afcf9ecb6651f2ba01395617dbc87dc372e795bab1b76113</citedby><cites>FETCH-LOGICAL-c538t-6bde5b6b02e4de440afcf9ecb6651f2ba01395617dbc87dc372e795bab1b76113</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0195670110001556$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65534</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23377337$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20542590$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Warris, A</creatorcontrib><creatorcontrib>Onken, A</creatorcontrib><creatorcontrib>Gaustad, P</creatorcontrib><creatorcontrib>Janssen, W</creatorcontrib><creatorcontrib>van der Lee, H</creatorcontrib><creatorcontrib>Verweij, P.E</creatorcontrib><creatorcontrib>Abrahamsen, T.G</creatorcontrib><title>Point-of-use filtration method for the prevention of fungal contamination of hospital water</title><title>The Journal of hospital infection</title><addtitle>J Hosp Infect</addtitle><description>Summary Published data implicate hospital water as a potential source of opportunistic fungi that may cause life-threatening infections in immunocompromised patients. Point-of-care filters are known to retain bacteria, but little is known about their efficacy in reducing exposure to moulds. We investigated the effect of point-of-use filters (Pall-Aquasafe® ) on the level of contamination of Aspergillus fumigatus and other filamentous fungi. The point-of-use filters were applied to several outlets (taps and showers) on the paediatric bone marrow transplantation (BMT) unit of the National Hospital in Oslo, Norway. In addition the efficacy was investigated using a test rig. The laboratory experiments showed that the filters were highly effective in reducing the number of colony-forming units for a period of at least 15 days. In the BMT unit the filters eliminated the fungi from the water on day 1 but due to particles present in the water the filters occluded, which prevented further evaluations. Our results show that point-of-use filtration might be an effective preventive measure to eliminate filamentous fungi at individual points of water use, thereby reducing patients’ exposure.</description><subject>Aspergillus fumigatus</subject><subject>Biological and medical sciences</subject><subject>Colony Count, Microbial</subject><subject>Filamentous fungi</subject><subject>Filtration - methods</subject><subject>Fungi - isolation & purification</subject><subject>General aspects</subject><subject>Hospital infection</subject><subject>Hospitals</subject><subject>Human infectious diseases. Experimental studies and models</subject><subject>Humans</subject><subject>Infectious Disease</subject><subject>Infectious diseases</subject><subject>Medical sciences</subject><subject>Norway</subject><subject>Point-of-Care Systems</subject><subject>Point-of-use filters</subject><subject>Water Microbiology</subject><subject>Water Purification - methods</subject><subject>Water supply</subject><issn>0195-6701</issn><issn>1532-2939</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkkuLFDEUhYMoTjv6B1xIbcRVtXlUkioQYRh8wYCCunIRktSNnbI6aZPUyPx7U3aPggtdhMC53z25nFyEHhO8JZiI59N22vmwpbgKmG0x6e6gDeGMtnRgw120wWTgrZCYnKEHOU8Y46rz--iMYt5RPuAN-vIh-lDa6NolQ-P8XJIuPoZmD2UXx8bF1JQdNIcE1xB-VaJr3BK-6rmxMRS990Hf6ruYD77Uyg9dID1E95yeMzw63efo8-tXny7ftlfv37y7vLhqLWd9aYUZgRthMIVuhK7D2lk3gDVCcOKo0ZjUqQWRo7G9HC2TFOTAjTbESEEIO0fPjr6HFL8vkIva-2xhnnWAuGQ14K7rZU_Ef0nZ9YMkkq-e9EjaFHNO4NQh-b1ON4pgtaavJrWmr9b0FWaqpl-bnpzsF7OH8XfLbdwVeHoCdLZ6dkkH6_MfjjEp66nciyMHNbZrD0ll6yFYGH0CW9QY_b_nePlXu5198PXFb3ADeYpLCvVDFFGZKqw-rnuyrgmpG0I4F-wnRfe4qw</recordid><startdate>20100901</startdate><enddate>20100901</enddate><creator>Warris, A</creator><creator>Onken, A</creator><creator>Gaustad, P</creator><creator>Janssen, W</creator><creator>van der Lee, H</creator><creator>Verweij, P.E</creator><creator>Abrahamsen, T.G</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>M7N</scope></search><sort><creationdate>20100901</creationdate><title>Point-of-use filtration method for the prevention of fungal contamination of hospital water</title><author>Warris, A ; Onken, A ; Gaustad, P ; Janssen, W ; van der Lee, H ; Verweij, P.E ; Abrahamsen, T.G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c538t-6bde5b6b02e4de440afcf9ecb6651f2ba01395617dbc87dc372e795bab1b76113</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Aspergillus fumigatus</topic><topic>Biological and medical sciences</topic><topic>Colony Count, Microbial</topic><topic>Filamentous fungi</topic><topic>Filtration - methods</topic><topic>Fungi - isolation & purification</topic><topic>General aspects</topic><topic>Hospital infection</topic><topic>Hospitals</topic><topic>Human infectious diseases. 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Point-of-care filters are known to retain bacteria, but little is known about their efficacy in reducing exposure to moulds. We investigated the effect of point-of-use filters (Pall-Aquasafe® ) on the level of contamination of Aspergillus fumigatus and other filamentous fungi. The point-of-use filters were applied to several outlets (taps and showers) on the paediatric bone marrow transplantation (BMT) unit of the National Hospital in Oslo, Norway. In addition the efficacy was investigated using a test rig. The laboratory experiments showed that the filters were highly effective in reducing the number of colony-forming units for a period of at least 15 days. In the BMT unit the filters eliminated the fungi from the water on day 1 but due to particles present in the water the filters occluded, which prevented further evaluations. 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| subjects | Aspergillus fumigatus Biological and medical sciences Colony Count, Microbial Filamentous fungi Filtration - methods Fungi - isolation & purification General aspects Hospital infection Hospitals Human infectious diseases. Experimental studies and models Humans Infectious Disease Infectious diseases Medical sciences Norway Point-of-Care Systems Point-of-use filters Water Microbiology Water Purification - methods Water supply |
| title | Point-of-use filtration method for the prevention of fungal contamination of hospital water |
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