This is a procedure to fill and/or close blood vessels. This prevents bleeding and rupture. It is an alternative to open surgery.
Endovascular embolization can treat many conditions, including: Brain aneurysm
—a weakened blood vessel in the brain that collects blood and can bleed
—abnormal connections between arteries and veins (usually present at birth)
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The procedure can be used alone or with other treatments. It will not fix damaged areas of the brain, but it can improve quality of life by stopping bleeding or preventing rupture.
If you are planning to have this procedure, your doctor will review a list of possible complications, such as: BleedingWeaknessNumbness or tinglingSpeech disturbancesVisual changesConfusion, memory lossSeizuresInfectionReaction to the anesthesia or contrast solutionBlood clotsRuptured aneurysm during surgery
Factors that may increase the risk of complications include: SmokingObesityHigh blood pressure
Talk to your doctor about these risk factors.
Your appointment before the surgery may include: Physical exam, blood and imaging testsDiscussion of allergies, your medicines, recent illness or conditions, risks and benefits of the procedure
Also: Arrange for a ride home.The night before the procedure, do not eat or drink anything after midnight.
Discuss your medicines with your doctor. You may be asked to stop taking certain medicines, such as:
Anti-inflammatory drugs (NSAIDs)Anti-coagulants (blood thinners)
Women should let their doctor know if they are pregnant or planning to become pregnant.
will be used. It will block any pain and keep you asleep through the surgery.
The doctor will monitor your blood pressure, heart rate, and pulse. An IV will be placed in your arm for sedation and anesthesia. The nurse will shave and sterilize the groin area. The catheter will be inserted in this area.
The doctor will make a tiny incision in your groin area to access a vein. The catheter will be placed in the vein and threaded up to the site. A special dye will be given through the catheter. The doctor will be able to see the catheter pathway on a monitor. X-rays will help the doctor find the exact weakened or malformed area.
Once the catheter is in position, medicine, coils, or man-made material will be inserted into the catheter to the site. This will close or fill the blood vessel. Imaging tests will be done to make sure the blood vessels have closed.
The catheter and IV line will be removed. You will lie still for 6-8 hours.
30 minutes or longer—More complex procedures may take several hours.
Pain or soreness after the procedure can be managed with pain medicine.
This procedure is done in a hospital setting. The usual length of stay is two days. If you have any complications, you will need to stay longer.
You will rest for several hours in bed.Your vital signs will be monitored.
You may return to regular activities within a week. When you return home, do the following to help ensure a smooth recovery: Rest for a few days.Clean the incision site with lukewarm water and mild soap. Use a soft wash cloth to gently wipe the incision area and keep it dry.Ask your doctor about when it is safe to shower, bathe, or soak in water.Take medicine as directed.Engage in rehabilitative therapy as directed.Follow all of your doctor’s instructions.
After you leave the hospital, call your doctor if any of the following occurs: Any changes in physical ability (eg, balance, strength, or movement)Any changes to mental status (eg, consciousness, memory, thinking)Weakness, numbness, tinglingSigns of infection including fever and chillsRedness, swelling, increasing pain, bleeding, or discharge from the incision siteHeadacheChanges in visionFaintingPain that you cannot control with the medicines you have been givenNausea, vomitingTrouble controlling your bladder and/or bowels
Call for medical help or go to the emergency room right away if any of the following occurs: SeizureShortness of breath or chest painLoss of consciousness
If you think you have an emergency, call for medical help right away.
Last reviewed June 2013 by Michael J. Fucci, DO
Please be aware that this information is provided to supplement the care provided by your physician. It is neither intended nor implied to be a substitute for professional medical advice. CALL YOUR HEALTHCARE PROVIDER IMMEDIATELY IF YOU THINK YOU MAY HAVE A MEDICAL EMERGENCY. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with any questions you may have regarding a medical condition.
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