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What are arteriovenous malformations?
Arteriovenous malformations (AVMs) are blood vessel defects that occur before birth when the fetus is growing in the uterus (prenatal development). The blood vessels appear as a tangled mass of arteries and veins.
Are iris arteriovenous malformations dangerous?
They are usually benign. Your eye doctor will monitor them.
Why are Barbiturate comas used?
Barbiturate comas are used to protect the brain during major brain surgery, such as the removal of arteriovenous malformations or aneurysms
Where do arteriovenous malformations occur?
AVMs can occur anywhere in the body and have been found in the arms, hands, legs, feet, lungs, heart, liver, and kidneys. However, 50% of these malformations are located in the brain, brainstem, and spinal cord.
What is telangiectasias?
Telangiectasias-- Very small arteriovenous malformations, or connections between the arteries and veins. The result is small red spots on the skin known as "spider veins."
What category is arteriovenous malformation in?
Arteriovenous malformation (AVM) is typically categorized under vascular malformations. These are abnormal connections between arteries and veins that can disrupt blood flow and put individuals at risk for various complications. Treatment options depend on the location and severity of the AVM.
Why does the duodenum bleed?
The duodenum may bleed due to various reasons, such as peptic ulcers, gastritis, or vascular malformations. Peptic ulcers are open sores that develop on the lining of the duodenum, often caused by Helicobacter pylori infection or prolonged use of nonsteroidal anti-inflammatory drugs. Gastritis, inflammation of the stomach lining, can also affect the duodenum and lead to bleeding. Vascular malformations, such as arteriovenous malformations or angiodysplasia, can cause bleeding in the duodenum due to abnormal blood vessel formations.
What heart problems are caused by Turner syndrome?
Cardiovascular malformations are well-recognized congenital anomalies in Turner syndrome. Dilation and dissection of the aorta are reported in approximately half of women with Turner syndrome
How successful is radiation in treating arteriovenous malformations?
The radiation takes months to exert its complete effect, and success can only be measured over the course of the following two years. A year after the procedure, 50-75% of treated AVMs are completely blocked.
Is arteriovenous malformation one of the causes of schizophrenia?
Arteriovenous malformation is not one of the causes of schizophrenia. Arteriovenous malformation affects the heart and blood vessels, not the brain.
Can arteriovenous malformation also be in stomach and small intestine?
Yes, arteriovenous malformations (AVMs) can occur in the stomach and small intestine. These abnormal tangles of blood vessels can cause bleeding and other complications, and may require treatment such as endoscopic intervention or surgery. It is important to consult with a healthcare provider for proper diagnosis and management.
What is the Thomas Syndrom?
A very rare syndrome characterised mainly by heart malformations,kidney problems and cleft lip or palate.
