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Measurement of portal blood flow by an ultrasonic "duplex" system composed of a pulsed Doppler flowmeter and a linear-type real time B mode electroscanner. 1988

S Shiraki, and K Tsukada, and N Ozeki, and T Takeuchi, and K Gotoh, and Y Noguchi, and Y Okayama, and S Matsuba, and H Ohhara, and K Masuko
First Department of Internal Medicine, Nagoya City University Medical School, Japan.

The portal vein hemodynamics of patients with various liver diseases were investigated by means of a duplex system consisting of a linear electroscanner and a pulsed Doppler flowmeter. In cases of chronic liver disease, the cross-sectional area of the portal vein trunk became greater as the liver injury proceeded, while the maximum velocity tended to decrease. However, blood flow volume was no different between the controls and the chronic liver disease group. On the other hand, the splenic venous flow volume tended to increase as the liver injury advanced, suggesting that the increase in splenic venous flow volume is closely related to the formation of esophageal varices. This method permits non-invasive observation of changes during the course of various types of liver disease.

UI MeSH Term Description Entries
D008107 Liver Diseases Pathological processes of the LIVER. Liver Dysfunction,Disease, Liver,Diseases, Liver,Dysfunction, Liver,Dysfunctions, Liver,Liver Disease,Liver Dysfunctions
D011168 Portal System A system of vessels in which blood, after passing through one CAPILLARY BED, is conveyed through a second set of capillaries before it returns to the systemic circulation. It pertains especially to the hepatic portal system. Portal Systems,System, Portal,Systems, Portal
D011169 Portal Vein A short thick vein formed by union of the superior mesenteric vein and the splenic vein. Portal Veins,Vein, Portal,Veins, Portal
D001783 Blood Flow Velocity A value equal to the total volume flow divided by the cross-sectional area of the vascular bed. Blood Flow Velocities,Flow Velocities, Blood,Flow Velocity, Blood,Velocities, Blood Flow,Velocity, Blood Flow
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012212 Rheology The study of the deformation and flow of matter, usually liquids or fluids, and of the plastic flow of solids. The concept covers consistency, dilatancy, liquefaction, resistance to flow, shearing, thixotrophy, and VISCOSITY. Flowmetry,Velocimetry,Velocimetries
D013154 Spleen An encapsulated lymphatic organ through which venous blood filters.
D014463 Ultrasonography The visualization of deep structures of the body by recording the reflections or echoes of ultrasonic pulses directed into the tissues. Use of ultrasound for imaging or diagnostic purposes employs frequencies ranging from 1.6 to 10 megahertz. Echography,Echotomography,Echotomography, Computer,Sonography, Medical,Tomography, Ultrasonic,Ultrasonic Diagnosis,Ultrasonic Imaging,Ultrasonographic Imaging,Computer Echotomography,Diagnosis, Ultrasonic,Diagnostic Ultrasound,Ultrasonic Tomography,Ultrasound Imaging,Diagnoses, Ultrasonic,Diagnostic Ultrasounds,Imaging, Ultrasonic,Imaging, Ultrasonographic,Imaging, Ultrasound,Imagings, Ultrasonographic,Imagings, Ultrasound,Medical Sonography,Ultrasonic Diagnoses,Ultrasonographic Imagings,Ultrasound, Diagnostic,Ultrasounds, Diagnostic

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