Intracranial aneurysm is also known as brain or cerebral aneurysm. It is a cerebrovascular disorder that weakens the wall of the vein or cerebral artery that causes ballooning or localized dilation of blood vessels.
This kind of aneurysm is classified in accordance to its shape and size. The diameter of small aneurysms is usually not more than 15mm while larger ions are 25mm. Still, others are super giant size at over 50mm while others are giant size at 25 to 50mm. intracranial aneurysms can also develop within the blood vessel in any part of the body.
While this is the case, the places that are commonly affected include the brain and abdominal aorta (which transports blood from the heart to other parts of the body). Intracranial is the medical term used to define aneurysms and most of the aneurysms will cause symptoms that are noticeable once they burst.
When this happens, it can lead to a serious complication that is known as subarachnoid hemorrhage where the bleeding that is caused by the aneurysm ruptured leads to extensive symptoms and brain damage that might include symptoms like:
- Stiff neck
- Pain whenever the patient looks at light
- Vomiting and sickness
- Sudden agonizing headaches- this is often described as thunderclap headache and it is similar to the feeling of suddenly been hit in the head and can result to blinding pain which cannot be compared to any previous experience.
At least 3 in every 5 people who suffer from subarachnoid hemorrhage die within 2 weeks while half of survivors live with severe disability and brain damage.An unchanging and small aneurysm will depict little to no symptoms. Once an aneurysm raptures, blood will leak into the space that surrounds the brain and the symptoms in this case might include severe headaches that last for a couple of days or hours, meningism, visual abnormality, confusion consciousness loss and/or drowsiness.
Intracranial aneurysms might occur as a result of diseases that are genetically connected or from diseases that have affected the patient for life. Some lifestyle diseases which include smoking, alcohol consumption, hypertension, obesity and smoking are some of the factors that cause aneurysms development.
Cocaine use has also been associated with intracranial aneurysms development. Some of the associations acquired as a result of intracranial aneurysms might include infections and head trauma. In the US, the intracranial incidence is estimated at 1 infection per every 10,000 people with the highest incidences among 30 to 60 year olds. In addition to this, a large number of women are affected more than men at a ratio of 3 to 2.
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