Microvascular Occlusion
What is it? Overview Usage Side Effects and Warnings
Answers

What is Microvascular Occlusion?

Microvascular occlusion clamps off the artery leading to an aneurysm. This prevents bleeding and rupture. Sometimes a bypass procedure is done as well, rerouting blood vessels to healthy areas of the brain. A portion of the skull is removed (called a craniotomy ) and restored during this complex, open surgery.

Microvascular occlusion often treats a brain aneurysm that has ruptured and caused damage to the artery.

Brain Aneurysm
Brain Aneurysm
© 2009 Nucleus Medical Media, Inc.

It will not fix damaged areas of the brain, but it can improve quality of life by stopping bleeding or preventing rupture.

Possible Complications

If you are having microvascular occlusion, your doctor will review a list of possible complications, which may include:

  • Weakness
  • Numbness or tingling
  • Speech disturbances
  • Visual changes
  • Confusion, memory loss
  • Seizures
  • Infection
  • Adverse reaction to anesthesia (eg, light-headedness, low blood pressure, wheezing)
  • Kidney damage
  • Blood clots ( stroke )
  • Ruptured aneurysm during surgery

Factors that may increase the risk of complications include:

  • Smoking
  • Obesity
  • High blood pressure

Discuss these risks with your doctor before the surgery.

Call Your Doctor

After you leave the hospital, contact your doctor if any of the following occurs:

  • Changes in physical ability—balance, strength, or movement *...
 
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