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Inform. med."],"abstract":"<jats:title>Abstract<\/jats:title>\n          <jats:p>This study aimed\u00a0to investigate the potential benefit of ultra-high-resolution (UHR) photon-counting detector CT (PCD-CT) angiography in visualization of abdominal arteries in comparison to standard-reconstruction (SR) images of virtual monoenergetic images (VMI) at low kiloelectron volt (keV).\u00a0We prospectively included 47 and 47 participants to undergo contrast-enhanced abdominal CT scans within UHR mode on a PCD-CT system\u00a0using full-dose (FD) and low-dose (LD) protocols, respectively. The data were reconstructed into six series of images: FD_UHR_Br48, FD_UHR_Bv56, FD_UHR_Bv60, FD_SR_Bv40, LD_UHR_Bv48, and LD_SR_Bv40. The UHR reconstructions were performed with three kernels (Bv48, Bv56, and Bv60) within 0.2\u00a0mm. The SR were virtual monoenergetic imaging reconstruction with Bv40 kernel at 40-keV within 1\u00a0mm. Each series of axial images were reconstructed into coronal and volume-rendered images. The signal-to-noise ratio (SNR) and contrast-to-noise ratio (CNR) of seven arteries were measured. Three radiologists assessed the image quality, and visibility of nine arteries on all the images.\u00a0SNR and CNR values of SR images were significantly higher than those of UHR images (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). The SR images have higher ratings in image noise (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001), but the FD_UHR_Bv56 and FD_UHR_Bv60 images has higher rating in vessel sharpness (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). The overall quality was not significantly different among FD_VMI_40keV, LD_VMI_40keV, FD_UHR_Bv48, and LD_UHR_Bv48 images (<jats:italic>P<\/jats:italic>\u2009&gt;\u20090.05) but higher than those of FD_UHR_Bv56 and FD_UHR_Bv60 images (<jats:italic>P<\/jats:italic>\u2009&lt;\u20090.001). There is no significant difference of nine abdominal arteries among six series of images of axial, coronal and volume-rendered images (<jats:italic>P<\/jats:italic>\u2009&gt;\u20090.05).\u00a0To conclude, 1-mm SR image of VMI at 40-keV is superior to 0.2-mm UHR regardless of which kernel is used to visualize abdominal arteries, while 0.2-mm UHR image using a relatively smooth kernel may allow similar image quality and artery visibility when thinner slice image is warranted.<\/jats:p>","DOI":"10.1007\/s10278-024-01232-5","type":"journal-article","created":{"date-parts":[[2024,10,25]],"date-time":"2024-10-25T16:01:54Z","timestamp":1729872114000},"page":"1891-1903","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Ultra-High-Resolution Photon-Counting Detector CT Benefits Visualization of Abdominal Arteries: A Comparison to Standard-Reconstruction"],"prefix":"10.1007","volume":"38","author":[{"given":"Huan","family":"Zhang","sequence":"first","affiliation":[]},{"given":"Yue","family":"Xing","sequence":"additional","affiliation":[]},{"given":"Lingyun","family":"Wang","sequence":"additional","affiliation":[]},{"given":"Yangfan","family":"Hu","sequence":"additional","affiliation":[]},{"given":"Zhihan","family":"Xu","sequence":"additional","affiliation":[]},{"given":"Haoda","family":"Chen","sequence":"additional","affiliation":[]},{"given":"Junjie","family":"Lu","sequence":"additional","affiliation":[]},{"given":"Jiarui","family":"Yang","sequence":"additional","affiliation":[]},{"given":"Bei","family":"Ding","sequence":"additional","affiliation":[]},{"given":"Weiguo","family":"Hu","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9817-2294","authenticated-orcid":false,"given":"Jingyu","family":"Zhong","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2024,10,25]]},"reference":[{"issue":"6","key":"1232_CR1","doi-asserted-by":"publisher","first-page":"1632","DOI":"10.1148\/rg.2021210043","volume":"41","author":"FF Guglielmo","year":"2021","unstructured":"Guglielmo FF, Wells ML, Bruining DH et al (2021) Gastrointestinal bleeding at CT angiography and CT enterography: imaging atlas and glossary of terms. 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Institutional Review Board approval was obtained from Ruijin Hospital, Shanghai Jiao Tong University School of Medicine (No. 2015\u201376).","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics Approval"}},{"value":"Written informed consent from all participants were received.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent to Participate"}},{"value":"The authors affirm that human research participants provided informed consent for publication of the images of Fig  and Fig andthose in the Supplementary Material.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for Publication"}},{"value":"Ms. Zhihan Xu is an employee of Siemens Healthineers, which is the manufacturer\u00a0of the\u00a0CT system used in this study. However, she neither had access nor control on the data acquisition and analysis. Dr. Jingyu Zhong acknowledges his position as a member of the Scientific Editorial Board of European Radiology and BMC Medical Imaging. All other authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.","order":5,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing Interests"}},{"value":"The abstract of this study entitled \u201cDoes ultra-high-resolution photon-counting detector CT benefit visualization of abdominal arteries? A comparison to standard-reconstruction\u201d (C-22800) has been accepted as a digital poster, EPOS Radiologist (scientific), on European Congress of Radiology 2024 (). The presenting author of this abstract is Dr. Jingyu Zhong.","order":6,"name":"Ethics","group":{"name":"EthicsHeading","label":"Overlapping Cohort"}}]}}