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dc.rights.licenseopenen_US
dc.relation.isnodouble35ee2f0c-c527-44cb-b59a-43086827d989*
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorBENLALA, Ilyes
dc.contributor.authorPOINT, Sophie
dc.contributor.authorLEUNG, Cedric
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorBERGER, Patrick
dc.contributor.authorWOODS, Jason C.
hal.structure.identifierBordeaux population health [BPH]
dc.contributor.authorRAHERISON-SEMJEN, Chantal
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorLAURENT, Francois
dc.contributor.authorMACEY, Julie
hal.structure.identifierCentre de recherche Cardio-Thoracique de Bordeaux [Bordeaux] [CRCTB]
dc.contributor.authorDOURNES, Gael
dc.date.accessioned2021-04-02T08:14:45Z
dc.date.available2021-04-02T08:14:45Z
dc.date.issued2020-10
dc.identifier.issn0938-7994en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/26852
dc.description.abstractEnOBJECTIVES: The study aimed to validate automated quantification of high and low signal intensity volumes using ultrashort echo-time MRI, with CT and pulmonary function test (PFT) as references, to assess the severity of structural alterations in cystic fibrosis (CF). METHODS: This prospective study was performed in a single center between May 2015 and September 2017. Participants with CF completed clinical examination, CT, MRI, and PFT the same day during routine clinical follow-up (M0), and then 1 year after (M12) except for CT. Using MRI, percentage high (%MR-HSV), low (%MR-LSV), and total abnormal (%MR-TSV) signal intensity volumes were recorded, as well as their corresponding attenuation values using CT (%CT-HAV, %CT-LAV, %CT-TAV, respectively). Automated quantifications and visual Bhalla score were evaluated independently by two observers. Correlations were assessed using the Spearman test, comparisons using the Mann-Whitney test, and reproducibility using the intraclass correlation coefficient (ICC). RESULTS: A total of 30 participants were enrolled (median age 27 years, 18 men). At M0, there was a good correlation between %MR-HSV and %CT-HAV (ρ = 0.70; p \textbackslashtextless 0.001) and %MR-LSV and %CT-LAV (ρ = 0.60; p \textbackslashtextless 0.001). Automated MR metrics correlated to PFTs and Bhalla score (p \textbackslashtextless 0.05) while %MR-TSV was significantly different between CF with and without respiratory exacerbation (p = 0.01) at both M0 and M12. The variation of %MR-HSV correlated to the variation of FEV1% at PFT (ρ = - 0.49; p = 0.008). Reproducibility was almost perfect (ICCs \textbackslashtextgreater 0.95). CONCLUSIONS: Automated quantification of abnormal signal intensity volumes relates to CF severity and allows reproducible cross-sectional and longitudinal assessment. TRIAL REGISTRATION: Clinical trial identifier: NCT02449785 KEY POINTS: • Cross-sectionally, the automated quantifications of high and low signal intensity volumes at UTE correlated to the quantification of high and low attenuation using CT as reference. • Longitudinally, the variation of high signal intensity volume at UTE correlated to the variation of pulmonary function test and was significantly reduced in CF with an improvement in exacerbation status. • Automated quantification of abnormal signal intensity volumes are objective and reproducible tools to assess structural alterations in CF and follow-up longitudinally, for both research and clinical purposes.
dc.language.isoENen_US
dc.subject.enLung
dc.subject.enCystic fibrosis
dc.subject.enMagnetic resonance imaging
dc.title.enVolumetric quantification of lung MR signal intensities using ultrashort TE as an automated score in cystic fibrosis
dc.title.alternativeEur Radiolen_US
dc.typeArticle de revueen_US
dc.identifier.doi10.1007/s00330-020-06910-wen_US
dc.subject.halSciences du Vivant [q-bio]/Santé publique et épidémiologieen_US
dc.identifier.pubmed32415586en_US
bordeaux.journalEuropean Radiologyen_US
bordeaux.page5479–5488en_US
bordeaux.volume30en_US
bordeaux.hal.laboratoriesBordeaux Population Health Research Center (BPH) - U1219en_US
bordeaux.issue10en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.teamEPICENE_BPH
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.identifier.funderIDCentre Hospitalier Universitaire de Bordeauxen_US
hal.identifierhal-03188507
hal.version1
hal.date.transferred2021-04-02T08:14:49Z
hal.audienceInternationale
hal.exporttrue
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