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Ileus, which refers to functional obstruction or aperistalsis of the intestine, is a physiologic response to abdominal surgery, including the Whipple procedure. [34] While post-operative ileus is typically self-limited, prolonged post-operative ileus occurs when patients develop nausea, abdominal distention, pain or intolerance of food by mouth ...
This interrupts the flow of blood through the hepatic artery and the portal vein, which helps to control bleeding from the liver. The common bile duct is also temporarily closed during this procedure. This can be achieved using: a large atraumatic hemostat (soft clamp). manual compression. vessel loop or umbilical tape. [7]
The inferior mesenteric vein connects in the majority of people on the splenic vein, but in some people, it is known to connect on the portal vein or the superior mesenteric vein. Roughly, the portal venous system corresponds to areas supplied by the celiac trunk, the superior mesenteric artery, and the inferior mesenteric artery.
The portal vein is not a true vein, because it conducts blood to capillary beds in the liver and not directly to the heart. It is a major component of the hepatic portal system , one of three portal venous systems in the human body; the others being the hypophyseal and renal portal systems.
Preoperative PVE is a very well tolerated procedure with extremely low mortality rates (0.1 percent) and technical failure rates (0.4 percent). [3] Complication rates from the procedure are low as well (2–3 percent) and include portal vein thrombosis, liver infarction, necrosis, infection, pneumothorax, and other risks as listed above. [3]
The human hepatic portal system delivers about three-fourths of the blood going to the liver.The final common pathway for transport of venous blood from spleen, pancreas, gallbladder and the abdominal portion of the gastrointestinal tract [2] (with the exception of the inferior part of the anal canal and sigmoid colon) is through the hepatic portal vein.