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Overview Arteriovenous Malformations

Veins carry deoxygenated blood towards the heart and the arteries carry oxygenated blood from the heart to the brain. Arteriovenous Malformations interrupt this process. Arteriovenous Malfunctions may occur in the spinal cord, brain or the brain stream. The only main cause of Arteriovenous Malfunctions is a genetic disorder passed on by parents.

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Symptoms

People with Arteriovenous Malformations often experience the following symptoms or signs: Vision loss Headache Numbness Seizures Unsteadiness


Causes

The cause of Arteriovenous Malformations is unknown. The veins and arteries in a patient of Arteriovenous Malformation lack proper network of capillaries and small blood vessels.


Diagnosis

The following tests may be used to diagnose Arteriovenous Malformations: ... Cerebral arteriography MRI scan


Treatments

There are a few potential treatment alternatives for Arteriovenous Malformation. The primary objectives of the treatment are to avoid haemorrhage, to control seizures or neurological difficulties.Ythe specialist will decide the most suitable treatment for your condition depending on your age, well-being, and the size of the malformation. Stereotactic radiosurgery Stereotactic radiosurgery uses radiation to breakdown the malformation. A beam of radiation is directed towards the malformation for a small duration. Endovascular embolization- In Endovascular embolization, the specialist embeds a catheter (thin tube) into the patient's leg artery and strings it through the veins to the cerebrum using X-Ray imaging. The thin tube (catheter) is positioned in one of the artery to the malformation and infuses an embolizing agent like a paste or micro coils to hinder the supply route (artery) and decrease blood stream into the malformation. Endovascular embolization is less obtrusive than conventional surgery. Surgical removal The patient may need a conventional brain surgery to remove an Arteriovenous Malformation. Depending on the size of the malformation the technique may vary. The malformation is removed through making a window in the patient skull.


Prevention

Prevention from Arteriovenous Malformation is not possible as doctors believe it is a congenital disease.


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