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Atlas of Human Body Ultrasound Scanning_ Methods and Diagnostic Applications ( PDFDrive ).pdf
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M. Zhang

 

 

1.30\ The Proper Hepatic Artery

Blood Flow Spectrum

Fig. 8.30  The proper hepatic artery blood flow spectrum

1.30.1\ Scanning Method

The patient should be on fast for 8–12 h with a supine position. Probe is put on the subxiphoid, showing longitudinal section of the proper hepatic artery. The Doppler sample volume is put in the middle cavity of the proper hepatic artery. Measuring angle is less than 60°.

1.30.2\ Measuring Method and the Normal

Pulsed Doppler blood flow spectrum is shown. Blood flow velocity and resistance index are measured. Normal: 82.2 ± 20.8 cm/s. The hepatic artery blood flow appears to have three upward peaks and a low resistance index.

1.30.3\ Clinical Application Value

(1) In liver transplant patients, we observe the hepatic artery to judge whether there are obstructed hepatic artery or whether there is a presence of anastomotic stenosis or thrombosis by this section. That color blood flow is interrupted or cannot be shown, and the hepatic artery blood flow that cannot be measured will indicate vascular stenosis or occlusion. (2) The hepatic artery blood flow velocity will quicken compensatory in the primary hepatocellular carcinoma or portal venous obstructive diseases such as portal vein thrombosis or tumor emboli.