About: Particle and bioaerosol characteristics in a paediatric intensive care unit

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Particle and bioaerosol characteristics in a paediatric intensive care unit
Creator	Morawska, Lidia Duchaine, Caroline Wainwright, Claire Liang, Zhen Mackay, Ian Johnson, Graham Kidd, Timothy Knibbs, Luke Ramsay, Kay Coulthard, Mark He, Congrong Long, Debbie Mcneale, Donna Smith, Natalie Stockwell, Rebecca Williams, Tara
topic	covid:16704e9a2b5bcfd1ce150f52e6b8f5ed5cfb927c#this
source	Elsevier; Medline; PMC
abstract	Abstract The paediatric intensive care unit (PICU) provides care to critically ill neonates, infants and children. These patients are vulnerable and susceptible to the environment surrounding them, yet there is little information available on indoor air quality and factors affecting it within a PICU. To address this gap in knowledge we conducted continuous indoor and outdoor airborne particle concentration measurements over a two-week period at the Royal Children's Hospital PICU in Brisbane, Australia, and we also collected 82 bioaerosol samples to test for the presence of bacterial and viral pathogens. Our results showed that both 24-hour average indoor particle mass (PM10) (0.6–2.2μgm−3, median: 0.9μgm−3) and submicrometer particle number (PN) (0.1–2.8×103 pcm−3, median: 0.67×103 pcm−3) concentrations were significantly lower (p<0.01) than the outdoor concentrations (6.7–10.2μgm−3, median: 8.0μgm−3 for PM10 and 12.1–22.2×103 pcm−3, median: 16.4×103 pcm−3 for PN). In general, we found that indoor particle concentrations in the PICU were mainly affected by indoor particle sources, with outdoor particles providing a negligible background. We identified strong indoor particle sources in the PICU, which occasionally increased indoor PN and PM10 concentrations from 0.1×103 to 100×103 pcm−3, and from 2μgm−3 to 70μgm−3, respectively. The most substantial indoor particle sources were nebulization therapy, tracheal suction and cleaning activities. The average PM10 and PN emission rates of nebulization therapy ranged from 1.29 to 7.41mgmin−1 and from 1.20 to 3.96pmin−1 ×1011, respectively. Based on multipoint measurement data, it was found that particles generated at each location could be quickly transported to other locations, even when originating from isolated single-bed rooms. The most commonly isolated bacterial genera from both primary and broth cultures were skin commensals while viruses were rarely identified. Based on the findings from the study, we developed a set of practical recommendations for PICU design, as well as for medical and cleaning staff to mitigate aerosol generation and transmission to minimize infection risk to PICU patients.
has issue date	2017-10-31(xsd:dateTime)
bibo:doi	10.1016/j.envint.2017.06.020
bibo:pmid	28692913
has license	els-covid
sha1sum (hex)	16704e9a2b5bcfd1ce150f52e6b8f5ed5cfb927c
schema:url	https://doi.org/10.1016/j.envint.2017.06.020
resource representing a document's title	Particle and bioaerosol characteristics in a paediatric intensive care unit
has PubMed Central identifier	PMC7172583
has PubMed identifier	28692913
schema:publication	Environment International
resource representing a document's body	covid:16704e9a2b5bcfd1ce150f52e6b8f5ed5cfb927c#body_text
is http://vocab.deri.ie/void#inDataset of	https://covidontheweb.inria.fr:4443/about/id/http/ns.inria.fr/covid19/16704e9a2b5bcfd1ce150f52e6b8f5ed5cfb927c
is schema:about of	named entity 'negligible' named entity 'median' named entity 'PM 10' named entity 'PICU' named entity 'PRESENCE OF' named entity '100' named entity 'MASS' named entity 'OCCASIONALLY' named entity 'SAMPLES' named entity 'MIN' named entity 'substantial' named entity 'PICU' named entity 'concentrations' named entity 'measurement' named entity 'concentrations' named entity 'genera' named entity 'average' named entity 'continuous' named entity 'particle' named entity 'PM 10' named entity 'transported' named entity 'Our' named entity 'infection' named entity 'nebulization' named entity 'ranged' named entity 'paediatric' named entity 'commonly' named entity 'concentrations' named entity 'viral pathogens' named entity 'PM 10' named entity 'infection' named entity 'PM 10' named entity 'paediatric intensive care unit' named entity 'nebulization' named entity 'primary' named entity 'Taiwan' named entity 'viruses' named entity 'Australia' named entity 'incubation period' named entity 'Corynebacteria' named entity 'fungi' named entity 'aerosolized' named entity 'Greece' named entity 'commensals' named entity 'broth culture' named entity 'virus' named entity 'HEPA' named entity 'exchange rate' named entity 'PM 10' named entity 'viruses' named entity 'agar plate' named entity 'PM 10' named entity 'Brisbane' named entity 'consenting adult' named entity 'PM 10' named entity 'RSV' named entity 'high efficiency particulate air' named entity 'Taiwan' named entity 'PICU' named entity 'commensal' named entity 'hospital-acquired infection' named entity 'PM 10' named entity 'Nasal swab' named entity 'PM 10'

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