About: COVID-19 impact assessment on the French radiological centers: a nationwide survey

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

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	COVID-19 impact assessment on the French radiological centers: a nationwide survey
Creator	Petit, Isabelle Bartoli, Jean-Michel Beregi, Jean-Paul Boumendil, Olivier Cassagnes, Lucie Cavet, Madeleine Chaumoitre, Kathia Cornelia, & Enikeeva, Farida Feuerstein, Philippe Fitton, Isabelle Flory, Violaine Freitag, Anna Gaubert, Yves Gregory, Jules Guillevin, Rémy Herpe, Guillaume Jean, & Léderlin, Mathieu Naudin, Mathieu Nivet, Hubert Ohana, Mickaël Sans, Nicolas Saulnier, Pierre-Jean Tasu, Pierre Wagner, Mathilde
topic	covid:33a5ee0fc4e9ef4f0530c2e617d0f72e65664183#this
Source	Medline; PMC
abstract	PURPOSE: To determine the impact of the COVID-19 on the CT activities in French radiological centers during the epidemic peak. MATERIALS AND METHODS: A cross-sectional prospective CT scan survey was conducted between March 16 and April 12, 2020, in accordance with the local IRB. Seven hundred nine radiology centers were invited to participate in a weekly online survey. Numbers of CT examinations related to COVID-19 including at least chest (CT(covid)) and whole chest CT scan activities (CT(chest)) were recorded each week. A sub-analysis on French departments was performed during the 4 weeks of the study. The impact of the number of RT-PCRs (reverse transcriptase polymerase chain reactions) on the CT workflow was tested using two-sample t test and Pearson’s test. RESULTS: Five hundred seventy-seven structures finally registered (78%) with mean response numbers of 336 ± 18.9 (323; 351). Mean CT(chest) activity per radiologic structure ranged from 75.8 ± 133 (0–1444) on week 12 to 99.3 ± 138.6 (0–1147) on week 13. Mean ratio of CT(covid) on CT(chest) varied from 0.36 to 0.59 on week 12 and week 14 respectively. There was a significant relationship between the number of RT-PCR performed and the number of CT(covid) (r = 0.73, p = 3.10(−16)) but no link with the number of positive RT-PCR results. CONCLUSION: In case of local high density COVID-19, CT workflow is strongly modified and redirected to the management of these specific patients. KEY POINTS: • Over the 4-week survey period, 117,686 chest CT (CT (total) ) were performed among the responding centers, including 61,784 (52%) CT performed for COVID-19 (CT (covid) ). • Across the country, the ratio CT (covid) /CT (total) varied from 0.36 to 0.59 and depended significantly on the local epidemic density (p = 0.003). • In clinical practice, in a context of growing epidemic, in France, chest CT was used as a surrogate to RT-PCR for patient triage. ELECTRONIC SUPPLEMENTARY MATERIAL: The online version of this article (10.1007/s00330-020-07035-w) contains supplementary material, which is available to authorized users.
has issue date	2020-07-03(xsd:dateTime)
bibo:doi	10.1007/s00330-020-07035-w
bibo:pmid	32621241
has license	no-cc
sha1sum (hex)	33a5ee0fc4e9ef4f0530c2e617d0f72e65664183
schema:url	https://doi.org/10.1007/s00330-020-07035-w
resource representing a document's title	COVID-19 impact assessment on the French radiological centers: a nationwide survey
has PubMed Central identifier	PMC7333367
has PubMed identifier	32621241
schema:publication	Eur Radiol
resource representing a document's body	covid:33a5ee0fc4e9ef4f0530c2e617d0f72e65664183#body_text
is http://vocab.deri.ie/void#inDataset of	https://covidontheweb.inria.fr:4443/about/id/http/ns.inria.fr/covid19/33a5ee0fc4e9ef4f0530c2e617d0f72e65664183
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