Portal hypertension is one of the most common complications in patients with liver disease and cirrhosis. It occurs when the liver has developed a significant amount of scar tissue and blood from the portal vein is unable to flow into the liver. As a result, this blood backs up in the portal vein increasing pressure until it has no choice but to flow back into the smaller blood vessels in the abdomen and esophagus. Fluid also escapes into the peritoneal cavity, which is the space that houses the stomach, small and large intestines, kidneys and liver.
Dr. Adeleke Adesina, DO with Future Teaching Physicians explains portal hypertension in great detail in the following videos. I would reccommend that anyone facing liver disease check these videos out.
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