Clinical anatomy in the context of portal hypertension.
Clinical anatomy in the context of portal hypertension.
Clinical anatomy in the context of portal hypertension.
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Vascular Changes<br />
<strong>in</strong> Cirrhosis Lead<strong>in</strong>g to<br />
Portal Hypertension<br />
• Compression <strong>of</strong> hepatic ve<strong>in</strong>s<br />
• Regen. nodules and connective<br />
tissue septa compress ve<strong>in</strong>s<br />
• Decreased outflow, <strong>in</strong>creased<br />
upstream <strong>portal</strong> pressure<br />
• Formation <strong>of</strong> portahepatic AVAs<br />
• Direct anastomoses between<br />
hepatic a. branches and <strong>portal</strong><br />
ve<strong>in</strong> tributaries<br />
• Increased flow <strong>in</strong>to <strong>portal</strong><br />
system via AVAs <strong>in</strong>creases<br />
<strong>portal</strong> <strong>hypertension</strong><br />
from Netter 1957
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