Migraines are not the cause of aneurysms

A brain aneurysm is a balloon-like enlargement of an artery in the brain. Aneurysms come in different shapes and sizes, but mostly occur at branching points amongst an artery. Brain aneurysms can have very thin walls and may enlarge and burst. Migraines are not the cause of aneurysms.
 

Brain aneurysms are fairly common.
 
Brain aneurysms are found in 1 out of 20 people who are autopsied. Many of those brain aneurysms are quite small, that can explain why they went undetected during life. Approximately 10 million Americans have brain aneurysms, and 1 out of 4 has more than one, usually two or three. Rarely a patient may have as many as thirteen aneurysms. There is no way to know whether or not they will rupture.
When a brain aneurysm ruptures it bleeds and coats the surface of the brain in blood which is called a “subarachnoid hemorrhage.” Yearly, out of every 100,000 people, 10 will have a ruptured brain aneurysm, translating to approximately 27,000 Americans. Out of these, 14,000 will be fatal. Ruptured brain aneurysms are more common than other neurological problems such as brain tumors, multiple sclerosis, bacterial meningitis and Lou Gehrig disease.
 
Risk of Brain Aneurysm Rupture

Nearly 1/4 of all cerebrovascular deaths are due to ruptured brain aneurysms. The peak incidence of aneurysm rupture occurs around ages 50 to 60, although rare cases have occurred in children and patients over 75.  

Brain aneurysms become dangerous when they break and bleed into the brain causing a stroke or death. This is very serious and is called a hemorrhage, or rupture. It’s estimated that if 5 people suffer from a rupture, in one year one of them will be disabled, three will be dead and only one will be alive and well. Immediate treatment can improve these numbers. Water on the brain, known as hydrocephalus, narrowing of the blood vessels and rebleeding can happen days and even weeks after the initial aneurysm. Aneurysms can become larger and if they reach a certain size, called a Giant Aneurysm, they will put pressure on the surrounding brain and cause more serious problems.
 

Brain Aneurysm Symptoms
People with brain aneurysms won’t experience symptoms until the aneurysm bursts causing a hemorrhage. The most common scenario is for the brain aneurysm to rupture during physical exertion or stress, but it can happen at any time, under any circumstances.
 

Typically, the patient will experience a sudden, migraine headache. Unfortunately, the headache is not recognized as being related to a brain aneurysm by patients or physicians. There may also be nausea, vomiting, neck pain and loss of consciousness. In some patients, the blood which leaks into the spinal fluid may circulate down the spine and cause severe pain in the lower Lombard region and in both legs. Some brain aneurysms are quite large, and may press on the surrounding brain tissue or the nerves. When this happens, it can cause the eyelid to droop and the pupil to enlarge.
 

There are some aneurysms that contain blood clots within them, and this increases the potential for stroke. However, this is quite uncommon. Occasionally, a enlarging brain aneurysm can cause symptoms threw the compression of surrounding neurological structures. Unfortunately, symptoms frequently do not appear until the aneurysm has ruptured. The rupture of a brain aneurysm is sudden and occurs without any warning. Symptoms of a ruptured brain aneurysm may include loss of consciousness, severe headache with nausea or vomiting, stiff neck, difficulty moving any part of the body, numbness or decreased sensation in any part of the body, blurred vision, drooping eyelids, seizure and/or a change in mental status (such as a person becoming extremely lethargic).
 

When brain aneurysm ruptures, blood accumulates between the brain and the subarachnoid space (a thin wall surrounding the brain), resulting in a subarachnoid hemorrhage (SAH). As blood pools in this space, it compresses and damages the surrounding brain tissue. The tissue injury causes the surrounding blood vessels to be susceptible to vasospasm (an abnormal constriction of the blood vessels of the brain, which can result in additional tissue damage through diminished blood flow to the brain). The combined effect of bleeding and vasospasm can result in serious neurological impairment or even death.
 

Incidence Rates of Brain Aneurysms - Approximately 0.2 to 3 percent of people with a brain aneurysm can suffer from bleeding each year.
The yearly incidence of Aneurismal Subarachnoid hemorrhage in the U.S. exceeds 30,000 people. 10 to 15 percent of those patients will die before reaching the hospital and over 50 percent will die within the first thirty days concluding rupture. Of those who live, about half suffer permanent neurological deficit.
Brain aneurysms occur in people of all ages, but are most commonly detected in their ages 35 to 60.
Women are most likely to get a brain aneurysm than men, with a ratio of 3:2

How do Brain Aneurysms develop?
Unclear why a person forms a brain aneurysm. Appears that aneurysms are related to absence of a muscular layer that makes up part of the blood vessels that over time stretches and thins. Concluding the blood vessels has stretched and thinned too much, the aneurysm happens. What are the Dangers of having an Aneurysm? Most of the major dangers of having an aneurysm is having a stroke or dying. When Aneurysms breaks open and bleeds too the brain, a stroke or death will occur. This bleeding is called a hemorrhage, or rupture. Ruptures usually are very serious. 60% of people with ruptures have died within a year. Can Aneurysms be treated?
Yes. Aneurysms can be treated with surgery. Surgery is usually not an alternative due to the fact that the aneurysms usually bust before anyone has time to get to the operating table.

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