| Retrospective analysis of contrast-enhanced computed tomographic findings related to obstructive shock due to ascending aortic dissection. | |
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MedLine Citation:
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PMID: 22261771 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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OBJECTIVE: The objective of this study was to evaluate contrastenhanced computed tomography findings related to obstructive shock due to ascending aortic dissection (AAD). METHODS: The computed tomography findings in 9 AAD patients with shock, 11 AAD patients without shock, and 18 control subjects were evaluated for (1) pericardial effusion, (2) diameter of the inferior vena cava, (3) periportal hypodensity, (4) retrograde reflux of contrast material, (5) aortic and visceral enhancement, and (6) other factors (peripancreatic edema, bowel thickening/dilatation). RESULTS: Patients with shock showed the highest ratio of pericardial effusion, periportal hypodensity, and retrograde reflux of contrast material; largest inferior vena cava diameter; stronger aortic enhancement in both the arterial and portal phases; lowered splenic and pancreatic enhancement in the arterial phase; and stronger visceral (especially adrenal) enhancement, except for the renal medulla in the portal phase. CONCLUSIONS: Computed tomography findings related to obstructive shock due to AAD reflected impaired diastolic filling, decreased cardiac output, and flow redistribution in visceral organs. |
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Authors:
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Kohei Sasaguri; Hiroyuki Irie; Takeshi Imaizumi; Noriyuki Kamochi; Yoshiaki Egashira; Junichi Nojiri; Sho Kudo |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of computer assisted tomography Volume: 36 ISSN: 1532-3145 ISO Abbreviation: J Comput Assist Tomogr Publication Date: 2012 Jan |
Date Detail:
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Created Date: 2012-01-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7703942 Medline TA: J Comput Assist Tomogr Country: United States |
Other Details:
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Languages: eng Pagination: 60-6 Citation Subset: IM |
Affiliation:
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From the *Department of Radiology, Faculty of Medicine, Saga University; and †Department of Radiology, Saga Prefectural Hospital, Saga, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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