Normal hepatic arterial anatomy occurs in approximately 5080 of cases. Approximately half of the livers oxygen demand is met by the hepatic portal vein and half is met by the hepatic arteries.
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In general the common hepatic artery may arise from the abdominal aorta.
Hepatic arterial anatomy. Oxygen is provided from both sources. The typical hepatic arterial anatomy occurs in only 55 of the population and numerous variants exist. An accessory hepatic artery is one which arises from an anomalous origin.
For the remaining cases multiple variations have been described. The common hepatic artery is a short blood vessel that supplies oxygenated blood to the liver pylorus of the stomach duodenum pancreas and gallbladder. After helical scanning postprocessing with reconstruction algorithms such as shaded surface display and maximum intensity projection provides highly graphic easily understandable views of vascular anatomy.
Variant hepatic arterial anatomy terminology. The hepatic arteries supply arterial blood to the liver and account for the remainder of its blood flow. The common hepatic artery is one of the final branches of the celiac artery.
It arises from the celiac artery and has the following branches. The standard classification system for hepatic arterial anatomy includes 10 variations. It runs on the right inside the lesser sac a cavity near the middle of the abdomen and enters the lesser omentum a folded membrane that attaches the stomach to the liver.
Knowledge of these anomalies is especially important in hepatobiliary and pancreatic surgery in order to avoid unnecessary complications. Accessory rha and lha and replaced lha or rha 25 ix. It supplies oxygen rich blood to the liver pylorus pancreas and duodenum.
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