21. Patients with mesenteric , or intestinal FMD, may experience abdominal pain after eating or weight loss. 22. It can also be used for other ischemias due to embolism for example mesenteric ischemia and stroke. 23. He died during an operation on October 20, 1919 in Washington, DC of mesenteric ischemia. 24. These branches form functional anastomoses with the anterior and posterior inferior pancreaticoduodenal arteries from the superior mesenteric artery. 25. The superior mesenteric artery lies to the left of the similarly named vein, the superior mesenteric vein. 26. The superior mesenteric artery lies to the left of the similarly named vein, the superior mesenteric vein. 27. If left untreated, it can cause peritonitis or injury to the exposed bowel, including mesenteric tears. 28. Occasionally, the portal vein also directly communicates with the inferior mesenteric vein, although this is highly variable. 29. Thrombosis of the superior mesenteric vein can cause mesenteric ischemia also known as " ischemic bowel ". 30. Thrombosis of the superior mesenteric vein can cause mesenteric ischemia also known as " ischemic bowel ".