Embolization of AVM

1. What is AVM Embolization?
Embolization is an endovascular procedure used to block or reduce blood flow through an abnormal network of vessels known as an arteriovenous malformation.

2. What is an Arteriovenous Malformation (AVM)?
An AVM is an abnormal connection between arteries and veins that bypasses the normal capillary network. AVMs can occur in the brain, spinal cord, and other parts of the body.

3. When is AVM Embolization recommended?
Embolization may be recommended to reduce the size or blood flow of an AVM, treat associated aneurysms, reduce bleeding risk, or prepare an AVM for surgical removal or stereotactic radiosurgery.

4. How is AVM Embolization performed?
A thin catheter is introduced into an artery, commonly through the groin or wrist, and guided toward the vessels supplying the AVM. The interventional specialist then delivers an embolic material to block selected abnormal vessels.

5. What materials are used for embolization?
Depending on the AVM's anatomy, specialists may use liquid embolic agents, coils, particles, or other specialized materials. The choice depends on the size, location, blood-flow pattern, and accessibility of the AVM.

6. What tests are required before treatment?
MRI/MRA or CT/CTA may help identify the AVM. Digital Subtraction Angiography (DSA) provides detailed information about the feeding arteries, draining veins, and vascular architecture and is often essential for treatment planning.

7. Is one embolization session enough?
Not always. Complex AVMs may require multiple staged embolization sessions. In some patients, embolization is used as part of a combined treatment strategy rather than as the sole treatment.

8. What are the possible risks?
Potential complications include bleeding, infection, blood-vessel injury, blood clots, unintended blockage of normal vessels, neurological deficits, and stroke. The risk depends significantly on the AVM's location and vascular anatomy.

9. Why consider India for AVM Embolization?
India has experienced neurointerventional specialists, advanced DSA and neuroangiography facilities, modern embolization technologies, and multidisciplinary teams capable of managing complex cerebrovascular conditions.

10. How can Medavelle help?
Medavelle can coordinate evaluation with an experienced neurointerventional and neurosurgical team, arrange review of MRI/CT/angiography records, obtain a personalized treatment estimate, and assist with hospital, travel, and treatment coordination in India.