Decision aid: Brain aneurysm – What are your treatment options?

Decision aids can help you make a decision about health-related issues such as: Should you have surgery? Which medication would you consider taking? What happens if you decide not to have a certain treatment?

Decision aids summarize the main pros and cons of the various treatment options. They can't replace a medical consultation. But they can help you to discuss any remaining questions with your doctor and then decide together if one of the treatments is right for you.

What does the decision aid for people with a brain aneurysm include?

A brain aneurysm is a bulge in one part of a blood vessel in the brain. Most brain aneurysms never cause any problems. But an aneurysm can rupture (burst) without warning and cause life-threatening bleeding in the brain.

There are various ways to deal with an unruptured brain aneurysm. One option is to have a surgical procedure to close off the aneurysm and prevent it from rupturing. This can be done in two main ways: through microsurgery by opening the skull or through an endovascular procedure using a . But both procedures come with a risk of complications, such as strokes. Another option is to have regular check-ups to monitor the aneurysm and see if it changes – without surgery. This decision aid outlines the pros and cons of the various options.

You can download and print the decision aid here:

Image: Preview of the decision aid for people with a brain aneurysm

Brain aneurysm – What are your treatment options?

Six A4 pages

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Please note that we do not provide individual advice on matters of health. You can read about where to find help and support in Germany in our information “How can I find self-help groups and information centers?

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Created on April 27, 2026

Next planned update: 2029

Publisher:

Institute for Quality and Efficiency in Health Care (IQWiG, Germany)

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