Arteriovenous Malformations

Arteriovenous Malformations

What is Arteriovenous Malformations?

Arteriovenous malformations (AVMs) happen when a group of blood vessels in your body forms incorrectly. In these malformations, arteries and veins are unusually tangled and form direct connections, bypassing normal tissues. This usually happens during development before birth or shortly after.

  • Seizures with or without loss of consciousness.
  • Headache.
  • Muscle weakness or complete paralysis.
  • Nausea and vomiting.
  • Numbness or tingling sensation.
  • Dizziness.
  • Problems with movement, speech, memory, thinking, balance or vision
  • Stroke.
  • Numbness in part of the body.
  • Problems with speech or movement.
  • In children, developmental delays.
  • Hydrocephalus (accumulation of spinal fluid within the brain due to pressure on the normal spinal fluid pathways)
  • Lower quality of life.
  • Small risk for death from hemorrhage.

Arteriovenous malformations (AVMs) happen when a group of blood vessels in your body forms incorrectly. In these malformations, arteries and veins are unusually tangled and form direct connections, bypassing normal tissues. This usually happens during development before birth or shortly after.

Rarely, having a family history of AVMs can increase your risk. But most types of AVMs aren't inherited. Certain hereditary conditions can increase your risk of AVM . These include hereditary hemorrhagic telangiectasia, which is also called Osler-Weber-Rendu syndrome.

There is no way to prevent an arteriovenous malformation. To help reduce your chances of hemorrhaging, take the following steps: Learn about ways to avoid high blood pressure, such as: Avoid heavy lifting.

How is it diagnosed?

How is it diagnosed?

Embolization and sclerotherapy are the most common treatments for AVM. Embolization and sclerotherapy can reduce the size and symptoms of an AVM. They cannot make the AVM go away completely.

How is it treated?

Treatment for acute myeloid leukemia is vital. It varies with the patient and stage of the disease. Treatment options include

Treatment options include observation, microsurgery, endovascular embolization, stereotactic radiosurgery, or a combination of these. Embolization, is the most common treatment for AVMs and consists of injecting a substance inside the abnormal arteries to block them off and decrease blood flow to the AVM.

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