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3-Dimensional Quantification of Composite Pleural Plaque Volume in Patients Exposed to Asbestos Using High-resolution Computed Tomography: A Validation Study

dc.rights.licenseopenen_US
dc.contributor.authorDOURNES, G.
dc.contributor.authorDUBOIS, A.
dc.contributor.authorBENLALA, I.
hal.structure.identifierBordeaux population health [BPH]
dc.contributor.authorLACOURT, Aude
dc.contributor.authorPARIS, C.
dc.contributor.authorGISLARD, A.
dc.contributor.authorCLIN, B.
dc.contributor.authorPAIRON, J. C.
dc.contributor.authorBALDACCI, F.
dc.contributor.authorLAURENT, F.
dc.date.accessioned2020-06-05T10:46:03Z
dc.date.available2020-06-05T10:46:03Z
dc.date.issued2019-09
dc.identifier.issn1536-0237 (Electronic) 0883-5993 (Linking)en_US
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/7771
dc.description.abstractEnRATIONALE: As pleural plaque has been reported as a risk factor in the occurrence of lung cancer and mesothelioma, a reproducible and precise method of measurement of pleural plaque volume (PPV) is needed to further describe these relationships. The aim of the study was to assess the reproducibility of a 3-dimensional computed tomography (3D-CT) volumetric analysis of PPV in patients with occupational exposure to asbestos. MATERIAL AND METHODS: A total of 28 patients were retrospectively randomly selected from the multicenter APEXS (Asbestos Post Exposure Survey) study, which was held between 2003 and 2005. All patients underwent a 3D-CT scan. Two readers specialized in chest radiology completed the 3D semiautomated quantification of lung volume using dedicated software. They also had to categorize the visual extent of pleural plaque in terms of thickness and circumference. Reproducibility of the continuous PPV variable was assessed using the intraclass correlation coefficient (ICC) and Bland-Altman analysis. Reproducibility of categorical variables was assessed using the kappa test. RESULTS: Intraobserver reproducibility of PPV was almost perfect (ICC=0.98 [95% interval: 0.97-0.99]), and interobserver reproducibility was very good (ICC=0.93 [0.88-0.97]). At Bland-Altman analysis, the mean differences were 0.1 (limit of agreement: -11.0 to 11.2) and 3.7 cc (-17.8 to 25.2), respectively. Visual analysis of both plaque in terms of thickness and circumference were fair to moderate, with kappa values ranging from 0.30 to 0.60. CONCLUSIONS: 3D semiautomatic quantification of PPV is feasible and reproducible using CT in patients with occupational exposure to asbestos. PPV measurement may be useful to correlate with other asbestos-related disease outcomes and prognosis.
dc.language.isoENen_US
dc.subject.enCIC1401
dc.subject.enEPICENE
dc.title.en3-Dimensional Quantification of Composite Pleural Plaque Volume in Patients Exposed to Asbestos Using High-resolution Computed Tomography: A Validation Study
dc.title.alternativeJ Thorac Imagingen_US
dc.typeArticle de revueen_US
dc.identifier.doi10.1097/rti.0000000000000377en_US
dc.subject.halSciences du Vivant [q-bio]/Santé publique et épidémiologieen_US
dc.identifier.pubmed30489434en_US
bordeaux.journalJ Thorac Imagingen_US
bordeaux.page320-325en_US
bordeaux.volume34en_US
bordeaux.hal.laboratoriesBordeaux Population Health Research Center (BPH) - U1219en_US
bordeaux.issue5en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.teamEPICENE_BPH
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
hal.exportfalse
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