Brain Aneurysm FAQ

Brain aneurysms are weakened areas in blood vessels in the brain that can be silent until they rupture. This FAQ explains common questions about causes, symptoms, diagnosis, and treatment options, including minimally invasive procedures and surgery. Learn how early detection and care in Singapore can help manage risks and support recovery.

This FAQ covers what a brain aneurysm is - an enlarged, weakened area in a brain blood vessel - and guides you through how they start, what warning signs to watch for (both unruptured and ruptured forms), how they’re diagnosed (including CT, MRI/MRA, and angiography), and how speed and accuracy matter in managing risk.

It is estimated that about three percent of Singapore’s population has a brain aneurysm. A CT scan is a key first step in diagnosing or monitoring a brain aneurysm, offering quick and detailed imaging of your brain’s blood vessels. It helps detect aneurysms before or after rupture, shows when other scans may be needed, and explains what to expect.

Worried about the risk of a brain aneurysm? Learn how factors like smoking, high blood pressure, family history and certain medical conditions can increase your risk of a brain aneurysm. Some cannot be completely prevented, but there are ways you can reduce your risk such as controlling blood pressure.

After a diagnosis of a brain aneurysm whether treated or monitored, the journey continues with treatment and recovery. In our FAQ blog post, we explain common options like minimally‑invasive coiling and what recovery looks like in the days and weeks ahead.

Some patients who have had a Brain Aneurysm experience long‑term effects. They may also be at higher risk of complications like re‑bleeding, blood clots or increased pressure in the brain. To make things a little bit easier for you, we answer some FAQs about the effects of a brain aneurysm.