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Tuesday, March 31, 2009

Sacular Aneursyms

Sacular Aneurysm


A Sacular aneurysm can also be called an intracranial berry aneurysm. This aneurysm consists of a saclike “out pouching” in a cerebral blood vessel. 1 in a 1000 people a year has an incidence of these types of aneurysms. This type of aneurysm can be very dangerous and are very likely to rupture and cause a stroke. These types of aneurysms should not be take lightly and are very dangerous. These types of aneurysms have a 70-90% mortality rate.

Sacular aneurysms occur when there is weakening of the blood vessel wall in the cerebrum. This weakening can start to bulge out because of increase blood pressure forming an aneurysm within the blood vessel. The circle of Willis is very susceptible to secular aneurysms because of the small vessels that lead to larger vessels in the brain. Other typical sites that these aneurysms can occur are the vertebral artery and the basilar artery.

Risk Factors of Sacular Aneurysms

Conditions that can cause secular aneurysms include: hypertension, renal disease, conditions causing weakening of blood vessels, genetic disorders, and head trauma. There can be many complications that deal with secular aneurysms, if an aneurysm ruptures then the patient can be at risk for stroke, vasospasm, and a subarachnoid hemorrhage.

Signs and Symptoms

1. Headaches
2. double vision
3. loss of vision
4. eyes and neck pain

Symptoms of a ruptured aneurysm include :

1. A sudden sever headache
2. confusion
3. seizures
4. eyelids drooping
5. fatigue
6. confusion
7. Sudden mood swings

Diagnosis and Treatment

These types of aneurysms can be diagnosed by CT, MRI, angiography, and cerebrospinal fluid analysis. If aneurysms are discovered and have not yet ruptured most of the time the patient is taken to surgery and they can have a Micro Vascular clip put in. When the clip is put in, the blood flow is cut off to the aneurysm and it usually does not return. This treatment is known to be highly effective. Another procedure they can use is called an Occulsion. An occlusion is when the entire artery that is involved with the aneurysm is clamped off and the blood supply is rerouted away from the artery with the aneurysm. If a patient is diagnosed it is very important for them to control there blood pressure, not smoke, and avoid cocaine and other drugs that can elevate blood pressure which could eventually rupture the aneurysm.

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