Arteriovenous Malformation

What is Arteriovenous malformation?

Arteries and veins form a network of oxygen supply through blood from heart to brain. While arteries carry oxygen rich blood, veins carry depleted blood back to lungs and heart. The Arteriovenous Malformation is a condition caused by abnormal tangling of connecting arteries and veins, because of which blood flow and oxygen circulation is disrupted. The blood vessels that for Arteriovenous Malformation can rupture, If it happens in the brain it can cause haemorrhage, stroke or brain damage.

What are the causes of Arteriovenous Malformation?

Causes of Arteriovenous Malformation are mostly unknown. Arteriovenous Malformation is a result of abnormal connections between arteries and veins, but how and why these connections are formed is not fully understood. It may be a cause of genetic changes but most of the time the condition is not an inherited one.

What are the signs and symptoms of arteriovenous malformation?

Symptoms of Arteriovenous Malformation depend on its location in the body. Most of the times symptoms occur when there is bleeding, some of the common symptoms include

Loss of neurological functions
Headeaches, Nausea and vomiting
Seizures and loss of conciousness
How is the diagnosis of arteriovenous malformation done?

Based on symptoms, doctors will perform physical examinations. Doctors may try to listen to the sound of blood flow through Arteriovenous Malformation, called bruit. Doctors may also conduct tests like Cerebral Angiography to highlight blood vessels, CT scans, MRI to pick up small changes in tissues or Magnetic resonance angiography (MRA) to capture the speed and distance of blood flow through abnormalities. 4 vessels cerebral angiography or Digital subtraction angiography (DSA) is the gold standard test for the diagnosis of AVM.

What are the treatments of arteriovenous malformation done?

Treatment depends on the location of Arteriovenous Malformation, and also on symptoms like bleeding, symptoms other than bleeding, and part of the brain where it is located. Normally medications can be given to manage symptoms like seizures, headaches and pain. The proper treatment is surgery or endovascular embolisation based on the location, size and other parameters, which is recommended by doctors if a patient is at high risk of bleeding.

Dr Nitin Jagdhane is one of the best dual trained Neurosurgeon and Endovascular Neuro intervention specialists for doing AVM Surgery as well as endovascular AVM treatment in Mumbai, India. Get in touch with Dr. Nitin Jagdhane, brain and spine specialist in Mumbai, for the best results for your Arteriovenous malformation treatment.