Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Aymeric Hamard"'
Autor:
Joël Greffier, Julien Frandon, Hélène de Forges, Aymeric Hamard, Asmaa Belaouni, Jean Baptiste Wahl, Djamel Dabli, Jean Paul Beregi
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
Abstract To assess the impact of the use of additional mattresses of different thicknesses on radiation dose and image noise based on the patient centering proposed by a 3D camera for CT. An anthropomorphic phantom was placed on mattresses of differe
Externí odkaz:
https://doaj.org/article/6e99bd2ef06c4670a5280ece01e594fd
Autor:
Taki Eddine Addala, Joël Greffier, Aymeric Hamard, Fehmi Snene, Xavier Bobbia, Sophie Bastide, Asmaa Belaouni, Hélène de Forges, Ahmed Larbi, Jean-Emmanuel de la Coussaye, Jean-Paul Beregi, Pierre-Géraud Claret, Julien Frandon
Publikováno v:
Quantitative Imaging in Medicine and Surgery. 12:4248-4258
Ultra-low dose computed tomography (ULD-CT) was shown to be a good alternative to digital radiographs in various locations. This study aimed to assess the diagnostic sensitivity and specificity of ULD-CT versus digital radiographs in patients consult
Autor:
Aymeric Hamard, Rémy Kerdraon, Gonzague de Pinieux, David Malka, Caroline Ab Der Halden, Flore Tabareau-Delalande
Publikováno v:
Annales de Pathologie. 42:272-275
Autor:
Aymeric Hamard, Asmaa Belaouni, Julien Frandon, Joël Greffier, Philippe Akessoul, Jean-Paul Beregi, Djamel Dabli
Publikováno v:
Quant Imaging Med Surg
BACKGROUND: New reconstruction algorithms based on deep learning have been developed to correct the image texture changes related to the use of iterative reconstruction algorithms. The purpose of this study was to evaluate the impact of a new deep le
Autor:
Philippe Akessoul, Aymeric Hamard, Joël Greffier, Edinaud Bezandry, Julien Frandon, Jean-Paul Beregi, Romaric Loffroy, Martin M. Bertrand, Takieddine Addala
Publikováno v:
Quant Imaging Med Surg
BACKGROUND: Many computed tomography (CT) navigation systems have been developed to help radiologists improve the accuracy and safety of the procedure. We evaluated the accuracy of one CT computer-assisted guided procedure with different reduction do
Autor:
Romain Perolat, Ahmed Larbi, Laure Berny, P. Viala, Aymeric Hamard, Jean-Paul Beregi, Joël Greffier, Djamel Dabli, Fehmi Snene
Publikováno v:
Physica Medica. 88:235-241
To compare the organ-dose and effective-dose (E) delivered to the patient during percutaneous vertebroplasty (PVP) of one thoracic or lumbar vertebra performed under CT guidance or using a fixed C-arm.Consecutive adult patients undergoing PVP of one
Autor:
Aymeric Hamard, Joël Greffier, J. Frandon, Djamel Dabli, Jean-Paul Beregi, Takieddine Addala, Asmaa Belaouni
Publikováno v:
Physica Medica. 88:285-292
PURPOSE To determine the suitable kVp pair for optimal image quality of the virtual monochromatic images (VMIs) and iodine quantification accuracy at low concentration, using a third generation dual-source CT (DSCT). MATERIALS AND METHODS Multi-energ
Autor:
Philippe Akessoul, Asmaa Belaouni, Joël Greffier, Julien Frandon, Djamel Dabli, Jean-Paul Beregi, Aymeric Hamard
Publikováno v:
Diagnostic and Interventional Imaging. 102:405-412
Purpose To assess the impact of dose reduction and the use of an advanced modeled iterative reconstruction algorithm (ADMIRE) on image quality in low-energy monochromatic images from a dual-source dual energy computed tomography CT (DSCT) platform. M
Autor:
J. Frandon, Djamel Dabli, Philippe Douek, Salim Si-Mohamed, Joël Greffier, H de Forges, Aymeric Hamard, Jean Paul Beregi
Publikováno v:
European Radiology. 31:5324-5334
To compare the spectral performance of dual-energy CT (DECT) platforms using task-based image quality assessment based on phantom data. Two CT phantoms were scanned on four DECT platforms: fast kV-switching CT (KVSCT), split filter CT (SFCT), dual-so
Autor:
Jean-Paul Beregi, Ahmed Larbi, Alexandre Sadate, Joël Greffier, Julien Frandon, Takieddine Addala, Sophie Bastide, Aymeric Hamard
Publikováno v:
European Radiology. 31:2621-2633
To compare diagnosis performance and effective dose of ultra-low-dose CT (ULD CT) versus radiographs in suspected spinal or pelvic ring or hip fracture for minor trauma. ULD CT, in addition to radiography, was prospectively performed in consecutive p