Abstract:
:We aimed to evaluate the image quality performance of coronary CT angiography (CTA) under the different settings of forward-projected model-based iterative reconstruction solutions (FIRST).Thirty patients undergoing coronary CTA were included. Each image was reconstructed using filtered back projection (FBP), adaptive iterative dose reduction 3D (AIDR-3D), and 2 model-based iterative reconstructions including FIRST-body and FIRST-cardiac sharp (CS). CT number and noise were measured in the coronary vessels and plaque. Subjective image-quality scores were obtained for noise and structure visibility.In the objective image analysis, FIRST-body produced the significantly highest contrast-to-noise ratio. Regarding subjective image quality, FIRST-CS had the highest score for structure visibility, although the image noise score was inferior to that of FIRST-body.In conclusion, FIRST provides significant improvements in objective and subjective image quality compared with FBP and AIDR-3D. FIRST-body effectively reduces image noise, but the structure visibility with FIRST-CS was superior to FIRST-body.
journal_name
Medicine (Baltimore)journal_title
Medicineauthors
Hirata K,Utsunomiya D,Kidoh M,Funama Y,Oda S,Yuki H,Nagayama Y,Iyama Y,Nakaura T,Sakabe D,Tsujita K,Yamashita Ydoi
10.1097/MD.0000000000010810subject
Has Abstractpub_date
2018-05-01 00:00:00pages
e10810issue
20eissn
0025-7974issn
1536-5964pii
00005792-201805180-00060journal_volume
97pub_type
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