| Relationship between portal blood flow measured by image-directed Doppler ultrasonography and hepatic blood flow measured by indocyanine green constant infusion in patients with cirrhosis. | |
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MedLine Citation:
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PMID: 7642768 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The validity of portal blood flow measurement in image-directed Doppler ultrasound (PBF-IDU) is still under debate. In this study PBF-IDU has been compared with hepatic blood flow measured by the indocyanine green constant infusion technique (HBF-ICG), which is the reference invasive method with which to measure total hepatic blood flow in man (ie, the sum of hepatic artery and portal vein blood flow). In 27 cirrhotic patients with hepatopetal portal blood flow, PBF-IDU was measured by multiplying the portal vein cross-sectional area by the averaged mean velocity of blood in the vessel. About 1 hour later HBF-ICG was measured during hepatic vein catheterization performed to evaluate portal hypertension. In 19 of 27 patients, intrahepatic arterial resistance indices were also measured. PBF-IDU and HBF-ICG were 1.010 +/- 0.555 L/min (M +/- SD) and 1.496 +/- 0.731 L/min, respectively. Blood flow measured by the two methods showed a close correlation (r = 0.80, p < 0.001). The regression line showed that HBF-ICG was systematically higher than PBF-IDU (mean difference +29 +/- 30%). The hepatic artery component of HBF-ICG probably accounted for the difference. An inverse correlation was found between the differences between the two procedures and intrahepatic arterial resistance indices (r = -0.52, p = 0.04), which may be considered indirect parameters of arterial supply. It can be concluded that image-directed Doppler ultrasound is a sufficiently accurate method to measure portal blood flow in cirrhotics. |
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Authors:
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M Bolognesi; D Sacerdoti; C Merkel; A Gatta |
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Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Journal of clinical ultrasound : JCU Volume: 23 ISSN: 0091-2751 ISO Abbreviation: J Clin Ultrasound Publication Date: 1995 Jun |
Date Detail:
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Created Date: 1995-09-19 Completed Date: 1995-09-19 Revised Date: 2006-11-15 |
Medline Journal Info:
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Nlm Unique ID: 0401663 Medline TA: J Clin Ultrasound Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 297-303 Citation Subset: IM |
Affiliation:
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Centro di Spleno-Epatologia, University of Padua, Italy. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Blood Flow Velocity / physiology Female Hepatic Artery / physiology Hepatic Veins / physiology Humans Indocyanine Green / diagnostic use* Infusions, Intravenous Liver / blood supply* Liver Cirrhosis / physiopathology* Male Middle Aged Portal Vein / physiology*, ultrasonography Ultrasonography, Doppler* |
| Chemical | |
Reg. No./Substance:
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3599-32-4/Indocyanine Green |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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