1 in 15 people in the United States will develop a brain aneurysm during their lifetime. This article will tell you some of the things you need to know about brain aneurysms, what causes them, the signs and symptoms of brain aneurysms, and how they are diagnosed and treated.

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Everything You Need To Know About Brain Aneurysms III

Every year approximately 30,000 patients in the United States suffer a ruptured brain aneurysm. When a brain aneurysm ruptures, blood escapes from the ruptured aneurysm and collects inside the brain or inside the space immediately surrounding the brain called the subarachnoid space. The rupture or hole in the aneurysm can be small, in which case only a small amount of blood leaks, or large, leading to a major hemorrhage. When blood begins to collect in the subarachnoid space, it is called a subarachnoid hemorrhage. If not treated, bleeding from a ruptured aneurysm can quickly lead to brain damage and death.

Once a diagnosis of a ruptured brain aneurysm has been made, the patient should be stabilized and diagnostic cerebral angiography should be completed as soon as possible to locate the exact source of the bleeding. Cerebral angiography is a radiology technique that provides images of blood vessels in and around the brain. Following cerebral angiography, the patient should be taken to the operating room and the ruptured brain aneurysm located and clipped as soon as possible.

The prognosis for a patient with a ruptured cerebral aneurysm depends in part on the extent and location of the aneurysm, the person's age, general health, and neurological condition. The most significant factors in determining outcome are Hunt and Hess grade at the time of surgery, and age. Generally patients with Hunt and Hess grade I and II hemorrhage at the time of surgical intervention and patients who are younger within the typical age range of vulnerability can anticipate a good outcome, without death or permanent disability. Older patients and those with poorer Hunt and Hess grades at the time of surgery have a less favorable prognosis.


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