{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,29]],"date-time":"2026-04-29T23:49:57Z","timestamp":1777506597706,"version":"3.51.4"},"reference-count":42,"publisher":"SAGE Publications","issue":"12","license":[{"start":{"date-parts":[[2020,11,22]],"date-time":"2020-11-22T00:00:00Z","timestamp":1606003200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Acta Radiol"],"published-print":{"date-parts":[[2021,12]]},"abstract":"<jats:sec>\n                    <jats:title>Background<\/jats:title>\n                    <jats:p>\n                      Patients with substantially impaired kidney function and peripheral arterial disease (PAD) underwent comparative CO\n                      <jats:sub>2<\/jats:sub>\n                      -based depiction of the pelvic arteries (PAs).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose<\/jats:title>\n                    <jats:p>\n                      To evaluate the feasibility and diagnostic performance of CO\n                      <jats:sub>2<\/jats:sub>\n                      -based C-arm computed tomography (CACT) and compare its depiction of PAs with CO\n                      <jats:sub>2<\/jats:sub>\n                      -digital subtraction angiography (DSA).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Material and Methods<\/jats:title>\n                    <jats:p>\n                      Fifteen patients (10 men, mean age 70\u2009\u00b1\u200911 years) with PAD received CO\n                      <jats:sub>2<\/jats:sub>\n                      -DSA and CO\n                      <jats:sub>2<\/jats:sub>\n                      -CACT of the PAs, depicted from the aorta to femoral arteries. These were divided into nine segments (135 in total) and graded by two independent readers for image quality (IQ; 1\u2009=\u2009sufficient, 2\u2009=\u2009minimal impairments, 3\u2009=\u2009insufficient, 4\u2009=\u2009outside field of view) and subsequent stenosis grading (SG; grade 1: normal to grade 4: occlusion), under exclusion of all segments with insufficient IQ. Inter-observer and inter-modality agreement calculation and subsequent consensus reading were performed and correlated to a standard of reference (StOR), representing a modality consensus.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      Of 135 segments, 117 showed sufficient IQ, excluding 18 segments (10 CACT, 8 DSA). Inter-observer agreement for IQ and consecutive SG demonstrated good to excellent agreement: IQ\n                      <jats:sub>DSA<\/jats:sub>\n                      : \u03ba\u2009=\u20090.83, IQ\n                      <jats:sub>CACT<\/jats:sub>\n                      : \u03ba\u2009=\u20090.76; Stenosis\n                      <jats:sub>DSA<\/jats:sub>\n                      : \u03ba\u2009=\u20090.71, Stenosis\n                      <jats:sub>CACT<\/jats:sub>\n                      : \u03ba\u2009=\u20090.84. Inter-modality agreement for SG lay at \u03ba\u2009=\u20090.76 and \u03ba\u2009=\u20090.65, respectively. More stenoses could be detected by CACT, and analysis of pooled consensus values of SG in CACT\n                      <jats:sub>cons<\/jats:sub>\n                      versus StOR showed an excellent agreement (\u03ba\u2009=\u20090.96) that proved considerably higher than the moderate agreement between consensus values in DSA\n                      <jats:sub>cons<\/jats:sub>\n                      versus StOR (\u03ba\u2009=\u20090.43).\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>\n                      CO\n                      <jats:sub>2<\/jats:sub>\n                      -CACT proved feasible, and has the potential to optimize angiographic work-up of PAD in patients with contraindications for other contrast media.\n                    <\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/0284185120969954","type":"journal-article","created":{"date-parts":[[2020,11,22]],"date-time":"2020-11-22T22:22:28Z","timestamp":1606083748000},"page":"1707-1715","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["CO\n                    <sub>2<\/sub>\n                    -based C-arm computed tomography (CACT) of the pelvic arteries: feasibility and diagnostic performance in comparison to CO\n                    <sub>2<\/sub>\n                    -angiography in patients with peripheral arterial disease"],"prefix":"10.1177","volume":"62","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9568-6233","authenticated-orcid":false,"given":"Lena","family":"S Becker","sequence":"first","affiliation":[{"name":"Institute for Diagnostic and Interventional Radiology, Medical School Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Cornelia 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