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| | Title: | What is Brain Aneurysm? | | Article: | A brain aneurysm is an out-poaching of a brain artery
wall. The wall weakened by disease, injury or birth
abnormality is especially vulnerable. High blood
pressure often causes or makes aneurysms worse.
Aneurisms are not always life-threatening. What make
them dangerous are serious complications, first of all
stroke. This is named hemorrhagic (bleeding) stroke.
When a brain blood vessel ruptures and bleeds in the
space between the brain and the skull, it is the
subarachnoid hemorrhage. When a ruptured brain artery
bursts, and blood goes into brain tissue, it is the
cerebral hemorrhage. Cerebral or subarachnoid
hemorrhage deprives brain cells from blood and oxygen,
but what is worse, the lost blood from the ruptured
artery compress surrounding brain and vessels and
disrupts blood supply and brain function even more.
Severe damage results, when the pressure is high.
Often people with cerebral hemorrhages die. Yet those,
who live, tend to recover better than people with
ischemic (clot) stroke. That happens because blocking
a blood vessel cause brain cells to die in minutes,
and the brain does not recover. In contrast, when a
blood vessel bursts and pressure squeeze part of the
brain, during recovery the pressure slowly goes away
and the brain regain some of the function.
How to find aneurysm?
Doctors use angiography (X-ray with dye), MRI
(magnetic resonance imaging) and computed tomography
to detect aneurysms. A small aneurysm may not cause
problems. However, doctors check it regularly to see
if it changing. Aneurysms in the brain may disrupt
vision and cause headaches. The larger aneurysms may
burst easily.
How to treat brain aneurysm?
Brain aneurysms usually require surgery. A metal clip
is placed around the aneurysm. Inserting small
flexible wire coil into the aneurysm is another type
of the treatment. The coil is inserted into the
aneurysm with the help of a catheter under X-ray
imaging.
For stroke information, call the American Stroke
Association at 1-888-4-STROKE. | | Author: | Aleksandr Kavokin, MD, PhD | | System: | Brain | | Subject: | Brain_Aneurysm | | Abstract: | Cerebral or subarachnoid
hemorrhage deprives brain cells from blood and oxygen,
but what is worse, the lost blood from the ruptured
artery compress surrounding brain and vessels and
disrupts blood supply and brain function even more. | | Website: | http://www.kavokin.com | | Time: | 20:51 | | Reference: | http://www.rdoctor.com | | Reference 2: | http://www.sympomat.com |
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©2006 Kavokin.com
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Articles by Aleksandr Kavokin, MD, PhD
Doctor-Robot (Free section)