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Doctor insights on: Superior Mesenteric Artery Syndrome

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Dr. Daniel Saurborn
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Artery (Definition)

Arteries are a type of blood vessels. We can divide blood vessels into 2 categories. Arteries are high pressure vessels which deliver (red) oxygen + blood out into the body. Veins on the other hand or low pressure vessels which return (dark) oxygent - blood from the body ...Read more


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I've been told that i need surgery to treat superior mesenteric artery syndrome, what other options do I have & where should I go for the operation?

I've been told that i need surgery to treat superior mesenteric artery syndrome, what other options do I have & where should I go for the operation?

Discuss with MD: Superior mesenteric artery syndrome is a very rare, life-threatening gastro-vascular disorder characterized by a compression of the third portion of the duodenum by the abdominal aorta and the overlying superior mesenteric artery. Your abdominal surgeon can direct you to the next step as well as your primary care physician. You should not delay getting the evaluation, . ...Read more

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Can a cat scan usually show if a person has superior mesenteric artery syndrome (SMA)?

Can a cat scan usually show if a person has superior mesenteric artery syndrome (SMA)?

Yes, it can: show the particular anatomy of the SMA and the duodenal compression that are characteristic. However, the diagnosis is also based on clinical symptoms, not just imaging findings. ...Read more

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An MRA confirmed that I have nutcracker syndrome in my left renal vein and right hepatic artery arising from the proximal Superior mesenteric artery. Could this be the cause of my uncontrolled BP &HR?

Yes: Limitation of blood flow to a kidney will typically raise BP. Often in such a case the BP will be very difficult to control with meds unless the blood flow is restored. A stent in the renal artery may help, but there are several studies suggesting that if meds can control the BP, then procedural risks may not be warranted. You should consult with a vascular surgeon or interventional radiologist. ...Read more

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Is blockage of inferior mesenteric artery life threatening?

Is blockage of inferior mesenteric artery life threatening?

Possibly: The inferior mesenteric artery brings blood to the lower bowel. If it is partially blocked, this can cause abdominal pain. If it blocks completely, you might suffer death of bowel, which causes severe pain and is potentailly life-threatening. ...Read more

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Upper abdominal pain, took gall bladder out, now different pain in same area, doppler scan shows 60-90 percent block in superior mesenteric artery, ?

Upper abdominal pain, took gall bladder out, now different pain in same area, doppler scan shows 60-90 percent block in superior mesenteric artery, ?

Many possible causes: There are many possibilities but severe blockage of abdominal arteries certainly can cause pain and other symptoms. You need more workup and possible treatment. ...Read more

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How does blood flow from the mesenteric arteries to the posterior vena cava?

How does blood flow from the mesenteric arteries to the posterior vena cava?

Blood flow: Blood flow from the mesenteric arteries to the inferior vena cava-VC is a little complex. The blood travels via the mesenteric arteries to the end organ where is travels through smaller and smaller arteries until it enters capillaries. From there the capillaries merge to form veins that are part of the portal system. This travels to the liver where is goes through a similar cycle and then into VC. ...Read more

Mesentery (Definition)

1. A double layer of peritoneum attached to the abdominal wall and enclosing in its fold certain organs of the abdominal viscera. 2. A fold of the peritoneum that connects the intestines to the dorsal abdominal wall, especially such a fold that envelops ...Read more