What are the risks of brain aneurysm surgery?

Every surgery has risks. For the surgeries used to treat brain aneurysm, the risk is small, especially if the aneurysm has not yet ruptured. Possible risks include:
  • brain swelling and bleeding
  • blood clots
  • rupture during surgery
  • impairment of motor skills, cognition, and vision
  • paralysis or body weakness
  • memory loss
  • vasospasm (erratic narrowing and widening of blood vessels, which restricts blood flow and can lead to stroke
  • infection
  • seizure
  • stroke
  • death

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.