Diagnosis of acute pulmonary embolism: ...
Document type :
Article dans une revue scientifique: Article original
PMID :
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Title :
Diagnosis of acute pulmonary embolism: when photon-counting-detector CT replaces energy-integrating-detector CT in daily routine
Author(s) :
Remy, Martine [Auteur]
Evaluation des technologies de santé et des pratiques médicales - ULR 2694 [METRICS]
Université de Lille
Oufriche, Idir [Auteur]
Université de Lille
Guiffault, Lucas [Auteur]
Université de Lille
Duhamel, Alain [Auteur]
METRICS : Evaluation des technologies de santé et des pratiques médicales - ULR 2694
Service de Biostatistiques [CHRU Lille]
Flohr, Thomas [Auteur]
Computed Tomography Siemens Healthcare
Schmidt, Bernhard [Auteur]
Computed Tomography Siemens Healthcare
Remy, Jacques [Auteur]
Université de Lille
Centre Hospitalier de Valenciennes [CHV]

Evaluation des technologies de santé et des pratiques médicales - ULR 2694 [METRICS]
Université de Lille
Oufriche, Idir [Auteur]
Université de Lille
Guiffault, Lucas [Auteur]
Université de Lille
Duhamel, Alain [Auteur]
METRICS : Evaluation des technologies de santé et des pratiques médicales - ULR 2694
Service de Biostatistiques [CHRU Lille]
Flohr, Thomas [Auteur]
Computed Tomography Siemens Healthcare
Schmidt, Bernhard [Auteur]
Computed Tomography Siemens Healthcare
Remy, Jacques [Auteur]
Université de Lille
Centre Hospitalier de Valenciennes [CHV]
Journal title :
European Radiology
Abbreviated title :
Eur Radiol
Volume number :
34
Pages :
6544–6555
Publisher :
Springer Verlag
Publication date :
2024-04-18
ISSN :
1432-1084
English keyword(s) :
Acute pulmonary embolism
Pulmonary arteries
CT angiography
Photon-counting-detector CT
Energy-integrating-detector CT
Pulmonary arteries
CT angiography
Photon-counting-detector CT
Energy-integrating-detector CT
HAL domain(s) :
Sciences du Vivant [q-bio]
English abstract : [en]
Purpose
To compare the diagnostic approach of acute pulmonary embolism (PE) with photon-counting-detector CT (PCD-CT) and energy-integrating-detector CT (EID-CT).
Materials and methods
Two cohorts underwent CT ...
Show more >Purpose To compare the diagnostic approach of acute pulmonary embolism (PE) with photon-counting-detector CT (PCD-CT) and energy-integrating-detector CT (EID-CT). Materials and methods Two cohorts underwent CT angiographic examinations with EID-CT (Group 1; n = 158) and PCD-CT (Group 2; n = 172), (b) with two options in Group 1, dual energy (Group 1a) or single energy (Group 1b) and a single option in Group 2 (spectral imaging with single source). Results In Group 2, all patients benefited from spectral imaging, only accessible to 105 patients (66.5%) in Group 1, with a mean acquisition time significantly shorter (0.9 ± 0.1 s vs 4.0 ± 0 .3 s; p < 0.001) and mean values of CTDIvol and DLP reduced by 46.3% and 47.7%, respectively. Comparing the quality of 70 keV (Group 2) and averaged (Group 1a) images: (a) the mean attenuation within pulmonary arteries did not differ (p = 0.13); (b) the image noise was significantly higher (p < 0.001) in Group 2 with no difference in subjective image noise (p = 0.29); and (c) 89% of examinations were devoid of artifacts in Group 2 vs 28.6% in Group 1a. The percentage of diagnostic examinations was 95.2% (100/105; Group 1a), 100% (53/53; Group 1b), and 95.3% (164/172; Group 2). There were 4.8% (5/105; Group 1a) and 4.7% (8/172; Group 2) of non-diagnostic examinations, mainly due to the suboptimal quality of vascular opacification with the restoration of a diagnostic image quality on low-energy images. Conclusion Compared to EID-CT, morphology and perfusion imaging were available in all patients scanned with PCD-CT, with the radiation dose reduced by 48%. Clinical relevance statement PCD-CT enables scanning patients with the advantages of both spectral imaging, including high-quality morphologic imaging and lung perfusion for all patients, and fast scanning—a combination that is not simultaneously accessible with EID-CT while reducing the radiation dose by almost 50%.Show less >
Show more >Purpose To compare the diagnostic approach of acute pulmonary embolism (PE) with photon-counting-detector CT (PCD-CT) and energy-integrating-detector CT (EID-CT). Materials and methods Two cohorts underwent CT angiographic examinations with EID-CT (Group 1; n = 158) and PCD-CT (Group 2; n = 172), (b) with two options in Group 1, dual energy (Group 1a) or single energy (Group 1b) and a single option in Group 2 (spectral imaging with single source). Results In Group 2, all patients benefited from spectral imaging, only accessible to 105 patients (66.5%) in Group 1, with a mean acquisition time significantly shorter (0.9 ± 0.1 s vs 4.0 ± 0 .3 s; p < 0.001) and mean values of CTDIvol and DLP reduced by 46.3% and 47.7%, respectively. Comparing the quality of 70 keV (Group 2) and averaged (Group 1a) images: (a) the mean attenuation within pulmonary arteries did not differ (p = 0.13); (b) the image noise was significantly higher (p < 0.001) in Group 2 with no difference in subjective image noise (p = 0.29); and (c) 89% of examinations were devoid of artifacts in Group 2 vs 28.6% in Group 1a. The percentage of diagnostic examinations was 95.2% (100/105; Group 1a), 100% (53/53; Group 1b), and 95.3% (164/172; Group 2). There were 4.8% (5/105; Group 1a) and 4.7% (8/172; Group 2) of non-diagnostic examinations, mainly due to the suboptimal quality of vascular opacification with the restoration of a diagnostic image quality on low-energy images. Conclusion Compared to EID-CT, morphology and perfusion imaging were available in all patients scanned with PCD-CT, with the radiation dose reduced by 48%. Clinical relevance statement PCD-CT enables scanning patients with the advantages of both spectral imaging, including high-quality morphologic imaging and lung perfusion for all patients, and fast scanning—a combination that is not simultaneously accessible with EID-CT while reducing the radiation dose by almost 50%.Show less >
Language :
Anglais
Audience :
Internationale
Popular science :
Non
Administrative institution(s) :
Université de Lille
CHU Lille
CHU Lille
Submission date :
2024-10-17T21:05:59Z
2024-10-30T10:31:35Z
2024-10-30T10:31:35Z