| Correlations between aorto-popliteal bolus transit speed and aortic and popliteal bolus transit time during CT angiography of aortoiliac and lower extremity arteries. | |
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MedLine Citation:
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PMID: 20541339 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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PURPOSE: The purpose of this study was to investigate correlations between the aorto-popliteal bolus transit speed and aortic and popliteal bolus transit time in order to evaluate the possibility for prediction of bolus transit speed by single test injection technique. MATERIALS AND METHODS: Approval was obtained from our institutional review board for this study, which included 42 patients, from all of whom written informed consent was obtained. Low-dose serial CT scanning after injection of 12ml contrast material (300mg/ml) at a rate of 3ml/s followed by saline flush was performed twice, first at the level of the upper abdomen and second at the level of the knee joint. The times needed to reach peak enhancement of the upper abdominal aorta (T-aorta) and bilateral popliteal arteries (T-popliteal) were obtained, and aorto-popliteal bolus transit speeds between the abdominal aorta and popliteal arteries were calculated. ABI was recorded for the bilateral feet. The Pearson's product-moment correlation coefficient was used to investigate the correlation between the bolus transit speed and T-aorta, T-popliteal, ABI, and patient age. RESULT: The respective correlation coefficients for bolus transit speed on the one hand and T-aorta, T-popliteal, ABI, patient age on the other were -0.50, -0.84, 0.36, and -0.52. CONCLUSION: The time to peak enhancement for popliteal arteries showed the strongest correlation with aorto-popliteal bolus transit speeds, and was considered to be the most accurate predictor for aorto-popliteal bolus transit speeds. |
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Authors:
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Yasuhiro Nakaya; Tonsok Kim; Masatoshi Hori; Hiromitsu Onishi; Atsushi Nakamoto; Takahiro Tsuboyama; Noboru Maeda; Hiroki Higashihara; Kaname Tomoda; Hironobu Nakamura |
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Publication Detail:
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Type: Journal Article Date: 2010-06-11 |
Journal Detail:
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Title: European journal of radiology Volume: 79 ISSN: 1872-7727 ISO Abbreviation: Eur J Radiol Publication Date: 2011 Aug |
Date Detail:
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Created Date: 2011-08-29 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8106411 Medline TA: Eur J Radiol Country: Ireland |
Other Details:
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Languages: eng Pagination: 272-6 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Elsevier Ireland Ltd. All rights reserved. |
Affiliation:
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Department of Radiology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita City, Osaka 565-0871, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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