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Specialization: Vascular surgery and phlebology
Arteriovenous malformations are several vessels woven together causing anomalistic veins and arteries interlacing. Mostly, pathology appears in the brain, less frequent, in the spinal cord; however, any structure can suffer from pathology. Defect occurrences became the basis for determination of 3 main types.
Malformation looks like small bird’s nest or flattened ball of blood vessels. Arteries feeding the organs are intertwined with the veins removing blood from tissues. In AVMs, there are no capillaries acting as kind of “bridge” between above-mentioned vessels. From this, the veins taking on oxygenated blood may not withstand and burst.
People can be born with arteriovenous malformations. Specialists may detect the disease mainly in 20-40 years. Women and men are equally at risk.
Scientists didn’t have single opinion as for malformations’ roots. Pathology, in majority, develops in fetus making it possible to classify the disease as congenital. Additionally, catalyst for arteriovenous malformation appearance can be:
Malformation arteriovenous pathologies may not manifest themselves – approximately 15% of patients have no symptoms. In many cases, bleeding is warning signal symbolizing AVM presence.
Diagnostic methods used for revealing malformations are as follows.
If there’s suspicion of brain malformation, diagnosis looks as follows:
AVMs treatment is aimed at reducing formation rupture risk and subsequent bleeding.
As for medications, they’re prescribed only for purpose of decreasing manifestation of disease symptoms: