Brain Aneurysm: Statistics and Facts [2024 Updated]

by James Brown

Updated August 1, 2024

Introduction

A brain aneurysm, or a cerebral (or intracranial) aneurysm as is also called, is when one of the arteries in the brain develops a weak spot that reaches such thinness that the artery wall bulges outwards. This may rupture or burst and blood spills into the adjacent tissues.

This can result in the patient having a stroke (where blood supply to part of the brain is lost), traumatic brain injury, and death.

Fortunately, advancements in the medical field remain steadfast seeking to gain more knowledge of aneurysms and how best we can treat them.

This article contains updated statistics and facts on brain aneurysms, including incidence rates, affected population groups, potential risk factors, treatment options, and associated costs.

Statistics and Facts About Brain Aneurysm

Brain Aneurysms are most common between the age of 35 — 60, however, they can happen at any age in children and senior citizens alike. For the majority of cases, there are no symptoms and the age at which brain Aneurysms occur is around 50 years. Several types of aneurysms occur more often after 40
75% of ruptured brain aneurysms result in death and may lead to permanent disability. Subarachnoid hemorrhages have a poor prognosis overall; very few patients who experience this kind of event will recover completely to baseline and most will go on to some level of permanent neurological deficit.
The risk of brain aneurysms is 50% higher in women aged between 40 and 60 than other demographic groups.
Treatment with clipping or coiling may approach $50,000 or more.
Intracranial Aneurysm Market
Image source: Market US
Brain aneurysm rates are also higher among women 55 and older, who have a risk of developing one that is about 1.5 times greater than those in the same age group as men.
Four out of seven survive a ruptured brain aneurysm only to find themselves with disabilities.
Approximately half of all ruptured brain aneurysms will lead to death within days.
There are lifestyle choices that have been proven to increase one's risk of brain aneurysms. For one, smoking is not merely a risk factor in having an aneurysm but also appears to be instrumental to anyone diagnosed with multiple simultaneous or different types of intracranial (brain) aneurysms.
Hispanic and African Americans have a 25% higher risk of suffering from brain aneurysm
Ruptured aneurysms account for approximately 5% of all emergency room visits due to severe headaches.
Each year in the United States, an estimated 40,000 ruptured brain aneurysms occur.
About 1 in 7 people with a ruptured aneurysm will die before even getting to the hospital! The vast majority of deaths result from the initial, often massive, and rapid brain injury produced by the bleeding itself.
One study found that about 1 in every 100 patients being worked up for headaches (in a hospital ED) has an aneurysm rupture. Another study determined it was one in five, while yet another recent one has that figure at four per hundred.
Even as there are imaging options for detecting the lesion caused by an intracranial aneurysm rupture, as many as a quarter of patients arriving at emergency rooms are misdiagnosed or their diagnosis is delayed. Furthermore, a scan is not done in three of every four cases where the disease is misdiagnosed.
The cost for treatment of a ruptured brain aneurysm is much higher than the cost to treat unruptured aneurysms: when treated by surgical clipping, costs associated with a single case increase more than twofold after rupture. Once a brain aneurysm ruptures, the price to fix it more than triples with endovascular coiling.
Brain aneurysm research receives just $2.08/person sick/year from the federal government
University of South Australia neuroanatomist Dr. Arjun Burlakoti, the study lead researcher says that imaging occurred on 145 patients and those individuals who have asymmetric bran arteries are more likely to develop aneurysms and rupture too drastically than common people with symmetrical brains.
If a brain aneurysm ruptures and bleeds into the brain, subarachnoid hemorrhage could result, which means permanent disability or death for more than 50% of people.

Now That You Know, What Next?

These statistics and facts are there to give you a clear idea of the situation. Yet, you can do a few things to increase your chances of not developing a brain aneurysm later in life. By gaining knowledge about the risk factor you’ll be able to live healthily.

For example, as we’ve seen from the above statistics, smoking significantly increases the risk of developing brain aneurysm. You can start by avoiding that habit. Other risk factors like excessive alcohol intake and drug use are culprits which you should also avoid.

Conclusion

A sudden, severe headache is another symptom that may occur when an aneurysm tears open. Since this is a deadly condition, anyone with such symptoms should go to an emergency room immediately.

One sign is that if the aneurysm has grown very large, there may be numbness in paralysis of one side of the face.

A balanced nutrition in terms of a healthy, antioxidant-rich Mediterranean diet can be beneficial for preempting it.

Reference

Brain aneurysms: Know the facts and treatment options | Baptist Health. (n.d.).

Cohen-Gadol, A., MD. (2024). 35 Important Statistics about brain aneurysm (2024). 

Lisa Foundation. (2022, September 2). Facts about brain aneurysms | Signs and symptoms of brain aneurysm.

Professional, C. C. M. (n.d.). Brain aneurysm. Cleveland Clinic.

Statistics and Facts - Brain Aneurysm Foundation. (2024, June 19). Brain Aneurysm Foundation.

West, M. (2023, February 28). How common are brain aneurysms?
Article by
James Brown
Hello,I'm James, an editor at BeWellFinder, where I'm dedicated to sharing my expertise to provide you with valuable insights.
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