What is the function of the SMV?
The SMV joins with the splenic vein and becomes the hepatic portal vein. It is the hepatic portal vein that carries the blood to the liver. The SMV receives blood coming from several parts of the digestive tract. This includes veins coming from the small intestine, which is organized into three sections (duodenum, jejunum, and ileum).
What is the superior mesenteric artery (SMV)?
The superior mesenteric artery, which carries blood into the digestive system, is on the left side of the abdomen. The SMV joins with the splenic vein and becomes the hepatic portal vein. It is the hepatic portal vein that carries the blood to the liver. The SMV receives blood coming from several parts of the digestive tract.
What does SMVT stand for?
Isolated Superior Mesenteric Venous Thrombosis Isolated superior mesenteric venous thrombosis (SMVT) is when a blood clot forms in the SMV. It is a rare condition.
Can the SMA and SMV arteries be reversed?
On US, the anatomical relationship of the superior mesenteric artery (SMA) and superior mesenteric vein (SMV) may be reversed (Figure 2A).
What is medical term SMV?
The superior mesenteric vein, also known as (SMV) transports blood from the small intestine and the cecum. It follows a path similar to that of the superior mesenteric artery.
Where is the SMV vein?
abdomenThe superior mesenteric vein (SMV) is a large venous vessel located in the abdomen. It arises within the mesentery of the small intestine from the small tributaries that drain blood from the terminal ileum, caecum and vermiform appendix. It terminates by uniting with the splenic vein and forming the portal vein.
What causes SMV?
Causes of Mesenteric Venous Thrombosis genetic disorders that make your blood more prone to clotting, such as Factor V Leiden thrombophilia, which is an inherited clotting disorder. abdominal infections, such as appendicitis. inflammatory bowel diseases, such as diverticulitis, ulcerative colitis, and Crohn's disease.
What is SMA and SMV in medical terms?
Figure 1. Plain computed tomography (CT) images of the smaller superior mesenteric vein (SMV) sign for the detection of acute superior mesenteric artery (SMA) occlusion. The SMA and SMV exist side‐by‐side in the upper part of the kidney.
Where does the SMV drain to?
The SMV drains the small intestine, cecum, and ascending and transverse colon via the jejunal, ileal, ileocolic, right colic, and middle colic veins. The IMV drains the descending colon through the left colic, the sigmoid through the sigmoid vein, and the rectum through the superior rectal vein.
What organs does the superior mesenteric vein drain?
The superior mesenteric vein drains blood from the small intestine, cecum, ascending colon and transverse colon. It begins in the right iliac fossa, as a convergence of the veins draining the terminal ileum, cecum and appendix.
Is superior mesenteric artery life threatening?
Superior mesenteric artery syndrome: A rare but life threatening disease.
What happens if superior mesenteric artery is blocked?
In mesenteric ischemia, a blockage in an artery cuts off blood flow to a portion of the intestine. Mesenteric ischemia (mez-un-TER-ik is-KEE-me-uh) occurs when narrowed or blocked arteries restrict blood flow to your small intestine. Decreased blood flow can permanently damage the small intestine.
Is superior mesenteric artery syndrome curable?
SMAS is a medically treatable cause of small bowel obstruction with an overall good prognosis. Conservative medical treatment with nutritional rehabilitation is the least risky of treatment options and is successful in the majority of patients.
How long can you live with mesenteric ischemia?
The 2- and 5-year survival rates were 70% and 50% and mainly related to cardiovascular comorbidity and malignant disease. Only one patient died after a recurrent attack of arterial mesenteric thrombosis.
Is SMAS life threatening?
CONCLUSION. SMA syndrome is a rare but life-threatening cause of abdominal pain and vomiting. SMA syndrome can occur in patients without chronic emesis.
What causes superior mesenteric artery stenosis?
It's almost always caused by a buildup of fatty deposits called plaque. This is often called "hardening of the arteries," or atherosclerosis. The buildup can narrow the arteries and reduce or block blood flow to the intestines.
What is SMV thrombosis?
Superior Mesenteric Vein (SMV) thrombosis is a rare disease entity that can result in life-threatening complications including hemorrhagic shock or intestinal infarction, but if discovered early, is treatable and potentially reversible.
Where is the SMV in relation to pancreas?
The inferior pancreaticoduodenal veins drain into the SMV at the caudal margin of the pancreas, and the portal vein courses obliquely cephalad from near the midline toward the liver, where it divides to supply the right and left lobes.
What is the function of the inferior mesenteric vein?
As a blood vessel, the inferior mesenteric vein (IMV) drains blood away from the descending colon, rectum, and sigmoid, which are all parts of the large intestine.
Where does the inferior mesenteric vein drain into?
splenic veinThe inferior mesenteric vein, a continuation of the superior rectal vein, accompanies the inferior mesenteric artery and usually drains into the splenic vein.
Where is the SMV vein located?
It follows a path similar to that of the superior mesenteric artery. This vein is located in the abdominal cavity next to the superior mesenteric artery. Where it ends, near the neck of the pancreas, it forms the hepatic portal vein by coming together with the splenic vein. Other tributaries of SMV drain other organs such as the stomach, ...
What are the tributaries of SMV?
Other tributaries of SMV drain other organs such as the stomach, large intestine, and appendix. Some of these include the middle colic vein, right colic vein, veins from the ileum, and veins from the jejunum. Thrombosis is the only pathologic disorder associated with this vein and it is uncommon.
What is the only pathologic disorder associated with the superior mesenteric vein?
Thrombosis is the only pathologic disorder associated with this vein and it is uncommon. Thrombosis is a blood clot in a blood vessel, which leads to restricted blood flow and circulation throughout the body. Another rare condition that can be associated with the superior mesenteric vein is mesenteric ischemia.
What is the superior mesenteric vein?
The superior mesenteric vein, also known as (SMV) transports blood from the small intestine and the cecum. It follows a path similar to that of the superior mesenteric artery.
What are the three tributaries of the superior mesenteric vein?
Tributaries of the superior mesenteric vein include the jejunal, ileal, ileocolic, right and middle colic, right gastroepiploic, and pancreaticoduodenal ve ins. See also: vein. Medical Dictionary, © 2009 Farlex and Partners.
What is a venous trunk?
Vascular complications in cases of acute pancreatitis - CT scan based study. It is a venous trunk, later known as Henle's trunk or Henle's gastrocolic trunk (GTH), connecting part of the blood supply to the stomach and colon, which is formed by the convergence of the stomach-draining right gastroepiploic vein ...
Which vein drains the small intestine, cecum, ascending colon, and transverse colon?
superior mesenteric vein. The vein that accompanies the superior mesenteric artery and drains the small intestine, cecum, ascending colon, and transverse colon. Under the neck of the pancreas, the superior mesenteric vein joins the splenic vein to form the portal vein. Tributaries of the superior mesenteric vein include the jejunal, ileal, ...