Brain Aneurysm
What Is a Brain Aneurysm?
A brain aneurysm, also referred to as a cerebral aneurysm or intracranial aneurysm, is a localized bulge or swelling in a blood vessel within the brain. The appearance of an aneurysm often resembles that of a berry hanging from a stem.
Experts theorize that brain aneurysms develop and enlarge due to the pressure exerted by blood flowing through the blood vessel on a weakened section of the vessel wall. This pressure can lead to the expansion of the brain aneurysm. If the aneurysm ruptures or leaks, it results in bleeding within the brain, which is known as a hemorrhagic stroke.
Typically, a ruptured brain aneurysm occurs in the area between the brain and the delicate tissues that cover it. This type of hemorrhagic stroke is termed a subarachnoid hemorrhage.
While brain aneurysms are relatively common, most of them are not severe, particularly if they are small. The majority of brain aneurysms do not rupture, and they generally do not produce symptoms or health complications. Frequently, these aneurysms are discovered incidentally during tests conducted for other medical reasons.
However, a ruptured aneurysm is a grave and urgent medical situation that necessitates immediate medical intervention.
In cases where a brain aneurysm has not ruptured, treatment might be considered under certain circumstances. Treating an unruptured brain aneurysm can potentially prevent a rupture in the future. It’s advisable to consult your healthcare provider to thoroughly comprehend the most suitable options tailored to your individual needs.
Types of Brain Aneurysms
Saccular Aneurysm
Also known as a berry aneurysm. This type of aneurysm looks like a berry hanging from a vine. It’s a round, blood-filled sac that protrudes from the main artery or one of its branches. It usually forms on arteries at the base of the brain. A berry aneurysm is the most common type of aneurysm.
Fusiform Aneurysm
This type of aneurysm causes bulging on all sides of the artery.
Mycotic Aneurysm
This type of aneurysm is caused by an infection. When an infection affects the arteries in the brain, it can weaken the artery wall. This can cause an aneurysm to form.
Recognizing Symptoms of a Brain Aneurysm
The majority of unruptured brain aneurysms do not exhibit symptoms, particularly if they are small. Such instances are especially common when these aneurysms are discovered incidentally during imaging tests performed for unrelated conditions. Nonetheless, a ruptured aneurysm constitutes a grave situation, often accompanied by an intense headache. Furthermore, unruptured aneurysms pressing against brain tissue or nerves might induce discomfort and other symptoms.
Understanding Ruptured Aneurysms
A sudden and severe headache serves as the hallmark symptom of a ruptured aneurysm. Individuals often describe this headache as the most excruciating one they have ever experienced.
Beyond the severe headache, symptoms associated with a ruptured aneurysm can encompass:
- Nausea and vomiting
- Stiff neck
- Blurred or double vision
- Light sensitivity
- Seizures
- Drooping eyelid
- Loss of consciousness
- Confusion
What is a ‘Leaking’ Aneurysm?
On occasion, an aneurysm might release a small amount of blood, often preceding a more substantial rupture. These leaks may occur days or even weeks before a rupture takes place.
Symptoms of a leaking brain aneurysm could involve a sudden and extraordinarily severe headache that persists for several days to a couple of weeks
Identifying Unruptured Aneurysms
In instances of an unruptured brain aneurysm, symptoms might not manifest, particularly in the case of small aneurysms. However, larger unruptured aneurysms might exert pressure on brain tissues and nerves, leading to symptoms such as:
- Pain above and behind one eye
- Pupil dilation
- Changes in vision or double vision
- Numbness on one side of the face
When to Seek Medical Attention
If you experience the following, seek immediate medical attention:
- Sudden and extremely severe headache
- If someone you are with complains of a sudden, severe headache, loses consciousness, or experiences a seizure, promptly call 911 or your local emergency number.
The skilled surgeons at North Carolina Neuroscience & Spine Center possess expertise in modern treatments and techniques, adept at diagnosing and managing conditions affecting the brain. For consultations with North Carolina Neuroscience & Spine Center, you can arrange appointments by calling 919-784-7550.
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The care team at North Carolina Neuroscience & Spine Center can help you decide on the treatment that's best for you. They specialize in minimally invasive surgery and are experienced in diagnosing and treating disorders and diseases, using the newest techniques for relieving pain and returning you to an active lifestyle. To make an appointment at North Carolina Neuroscience & Spine Center call 919-784-7550.
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