Resection of Cerebral Arteriovenous Malformation

What Is Resection of Cerebral Arteriovenous Malformation?

Cerebral arteriovenous malformations (AVMs) are abnormal tangles of blood vessels of the brain. A resection is the surgical removal of small AVMs that are on or near the surface of the brain.

As a treatment for cerebral AVMs, a microsurgical resection sometimes is part of a complementary procedure with stereotactic radiotherapy or used in coordination with embolization. Radiotherapy uses radiation doses to cause the lesions to clot and, over time, to close off. Embolization is an endovascular procedure where a catheter threaded up through the groin artery to the brain AVM delivers a material (such as a medical glue or a soft, metal coil) to block blood from supplying the AVM, however the AVM remains. Thus sometimes, endovascular embolization may be performed before the resection.

What Happens During a Resection of Cerebral Arteriovenous Malformation Procedure?

A variety of factors such as history of previous ruptures, the location of the AVM, the size and the presence of an aneurysm are reviewed to determine if a patient is a good candidate for a microsurgical resection of a cerebral arteriovenous malformation.

During the surgery, the patient is anesthetized and the head secured.

  • A portion of the scalp is shaved.
  • The surgeon performs a craniotomy (surgically opens the skull). After the skull is opened up, the dura (membrane covering the brain) is incised.
  • The AVM is isolated from the neighboring brain tissue.
  • The vessels providing blood to the AVM are clamped off.
  • With microsurgical instruments, the AVM is resected (removed) from the tissue.
  • Temporary drains may be installed to stop fluid build-up in the skull.
  • The skull flap is put back in place and affixed with plates and small metal screws.
  • Skin is put back and secured with sutures or surgical staples.

Recovery generally begins with one day in the intensive care unit and another four to six days in the hospital.

Resection of Cerebral Arteriovenous Malformation Treatments at NSPC

As one of the northeast’s largest private practices of leading neurosurgeons and allied specialists, Neurological Surgery, P.C. (NSPC) delivers a multimodality of therapies. Located in the New York area–including Long Island—NSPC provides university-level care with premier neurosurgeons and neurointerventionalists.

Resectioning of cerebral arteriovenous malformations is a time-tested treatment option. Often, a microsurgical resection provides an immediate cure. Our physicians can help you decide if resection, embolization, radiotherapy or a combination of treatments are best for your cerebral AVM.

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