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Topic: Brain aneurysm

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	Aneurysm - Wikipedia, the free encyclopedia
		Aneurysms most commonly occur in the arteries at the base of the brain (the circle of Willis) and in the aorta (the main artery coming out of the heart) - this is an aortic aneurysm.
		Aneurysms occur in the legs also, particularly in the deep vessels (e.g., the popliteal vessels in the knee).
		While most aneurysms occur in an isolated form, the occurrence of berry aneurysms of the anterior communicating artery of the circle of Willis is associated with autosomal dominant polycystic kidney disease (ADPKD).
	en.wikipedia.org /wiki/Aneurysm (1006 words)

	[No title]
		An intracerebral aneurysm is a small, thin walled outpouching or dilatation of one of the large blood vessels that supply the brain.
		Aneurysms pose a risk to health from the potential for rupture and subsequent bleeding into the substance of the brain and/or the fluid-filled spaces that surround the brain (the subarachnoid space).
		The surgical clipping of an intact and accesible aneurysm is usually a procedure of low risks without the future development of postoperative ischemia or vasospasm, which are often encountered with the clipping of ruptured aneurysms (leading to risk of death or disability).
	www.columbia.edu /~mdt1/cerebfaq.txt (1214 words)

	The Facts about Cerebral Aneurysm
		A cerebral aneurysm (also known as an intracranial or intracerebral aneurysm) is a weak or thin spot on a blood vessel in the brain that balloons out and fills with blood.
		Cerebral aneurysms are also more common in people with certain genetic diseases, such as connective tissue disorders and polycystic kidney disease, and certain circulatory disorders, such as arteriovenous malformations - congenital malformations in which a snarled tangle of arteries and veins in the brain disrupts blood flow.
		The prognosis for persons whose aneurysm has burst is largely dependent on the age and general health of the individual, other preexisting neurological conditions, location of the aneurysm, extent of bleeding (and rebleeding), and time between rupture and medical attention.
	healthlink.mcw.edu /article/921177260.html (1852 words)

	Brain Aneurysm
		Symptoms of a ruptured brain aneurysm may include loss of consciousness, severe headache with nausea or vomiting, stiff neck, difficulty moving any part of the body, numbness or decreased sensation in any part of the body, blurred vision, drooping eyelids, seizure and/or a change in mental status (such as a person becoming extremely lethargic).
		It's also interesting to note that compared to brain aneurysms in the general population, those that occur within a family are smaller when they burst, burst at a younger age, and are more likely to be followed by the development of a new brain aneurysm.
		One way that we've determined this is that brain aneurysms are extremely rare in children, and the risk of a ruptured brain aneurysm increases with age until at least age 80.
	www.csmc.edu /aneurysm/aneurysm.html (1986 words)

	Cerebral Aneurysm Fact Sheet: National Institute of Neurological Disorders and Stroke (NINDS)
		A saccular aneurysm is a rounded or pouch-like sac of blood that is attached by a neck or stem to an artery or a branch of a blood vessel.
		A lateral aneurysm appears as a bulge on one wall of the blood vessel, while a fusiform aneurysm is formed by the widening along all walls of the vessel.
		Small aneurysms are less than 11 millimeters in diameter (about the size of a standard pencil eraser), larger aneurysms are 11-25 millimeters (about the width of a dime), and giant aneurysms are greater than 25 millimeters in diameter (more than the width of a quarter).
	www.ninds.nih.gov /disorders/cerebral_aneurysm/detail_cerebral_aneurysm.htm (2859 words)

	Brain Aneurysm - Heart Disease and other cardiovascular conditions on MedicineNet.com
		A brain aneurysm is an abnormal widening of an artery or vein in the brain.
		Brain aneurysms are caused by a weakness in the wall of an artery or vein within the brain.
		Brain aneurysms may result from a congenital malformation (birth defect) of a blood vessel, high blood pressure which damages the blood vessels, arteriosclerosis (build-up of fatty deposits in the arteries), or head trauma.
	www.medicinenet.com /brain_aneurysm/article.htm (354 words)

	Cerebral Aneurysms (Site not responding. Last check: 2007-10-08)
		An Aneurysm is a bulge in the blood vessel.
		There are also delayed problems of water on the brain, (hydrocephalus), and narrowing of the blood vessels because of the irritation of the blood on the blood vessels known as Vasospasm.
		A CT scan of the brain or a Lumbar puncture usually identifies the blood outside the blood vessel and is called a Subarachnoid Hemorrhage (SAH).
	cpmcnet.columbia.edu /dept/cerebro/aneurysm.html (669 words)

	MedlinePlus Medical Encyclopedia: Aneurysm
		An aneurysm is an abnormal widening or ballooning of a portion of an artery, related to weakness in the wall of the blood vessel.
		Pregnancy is often associated with the formation and rupture of aneurysms of the splenic artery (an artery leading to the spleen).
		Brain surgery for aneurysms can also result in these complications, if the aneurysm ruptures during surgery and bleeding cannot be controlled.
	www.nlm.nih.gov /medlineplus/ency/article/001122.htm (649 words)

	MedlinePlus Medical Encyclopedia: Aneurysm in the brain
		An "aneurysm" is an abnormal widening or ballooning of a section of a blood vessel.
		Aneurysms in the brain occur when there is a weakened area in the wall of a blood vessel.
		There may be signs of increased pressure within the brain (raised intracranial pressure) including swelling of the optic nerve (papilledema) or tiny hemorrhages into the retina of the eye, which are evident on careful eye examination.
	www.nlm.nih.gov /medlineplus/ency/article/001414.htm (1167 words)

	UCSF News Office - New treatment 'roadmap' improves odds for unusual brain aneurysm
		With aneurysm occlusion, the surgical team completely shuts down the affected artery, but in order to do that safely, blood flow is first rerouted around the aneurysm with a bypass.
		In a bypass procedure, a blood vessel is taken from another part of the body, usually the leg, and is grafted to a brain artery downstream from the aneurysm to maintain blood flow to that territory.
		The aneurysms range from Type 1, which is the classic thrombotic aneurysm, to Type 6, in which the aneurysm was previously treated with implantation of coils.
	pub.ucsf.edu /newsservices/releases/200504145 (859 words)

	Aneurysms
		, is a weak bulge in the blood vessel in the brain.
		There are many symptoms of a brain aneurysm and each person with an aneurysm may not experience the same symtoms.
		It appears that aneurysms are related to an absence of a muscular layer that makes up part of the blood vessels that over time stretches and thins.
	www.mamashealth.com /aneurysm.asp (343 words)

	Cerebral Brain Aneurysms (Site not responding. Last check: 2007-10-08)
		A cerebral aneurysm is a bulge or balloon like dilatation/swelling of the wall of a blood vessel in the brain.
		Aneurysms develop because of a weakness in the wall of the vessel, usually at branch points.
		Using a groin artery, a catheter is placed in the blood vessels leading to the brain and a contrast agent or dye is injected to photograph the blood vessels.
	brainavm.uhnres.utoronto.ca /malformations/cerebral_aneurysms_index.htm (482 words)

	Brain Aneurysm and Aneurysms Information (Site not responding. Last check: 2007-10-08)
		A brain aneurysm, also called a cerebral or intracranial aneurysm, is an abnormal bulging outward of one of the arteries in the brain.
		Brain aneurysms are often discovered when they rupture, causing bleeding into the brain or the space closely surrounding the brain called the subarachnoid space, causing a subarachnoid hemorrhage.
		The main goals of treatment once an aneurysm has ruptured are to stop the bleeding and potential permanent damage to the brain and to reduce the risk of recurrence.
	www.brainaneurysm.com (345 words)

	eMedicine - Brain, Aneurysm : Article by Federico C Vinas, MD (Site not responding. Last check: 2007-10-08)
		Intracranial aneurysms are named according to the artery and/or segment of origin; for example, anterior communicating aneurysms arise from the anterior communicating (Acomm) artery, and posterior communicating artery aneurysms arise from the internal carotid artery near the origin of the posterior communicating artery.
		Unruptured asymptomatic aneurysms were smaller than 10 mm in 94% of the cases, and the size of unruptured symptomatic aneurysms varied: 70% were 3-10 mm in diameter, and 13% were larger than 25 mm.
		Aneurysmal rupture during cerebral angiography may occur as a result of traction, maneuvers near the aneurysmal neck, or catheter misplacement in the neck of an aneurysm that increases dynamic pressures in the aneurysm.
	www.emedicine.com /radio/topic92.htm (7413 words)

	Cerebral Aneurysm Information Page: National Institute of Neurological Disorders and Stroke (NINDS)
		A cerebral aneurysm is the dilation, bulging, or ballooning out of part of the wall of a vein or artery in the brain.
		Cerebral aneurysms can occur at any age, although they are more common in adults than in children and are slightly more common in women than in men.
		For example, a small, unchanging aneurysm will generally produce no symptoms, whereas a larger aneurysm that is steadily growing may produce symptoms such as loss of feeling in the face or problems with the eyes.
	www.ninds.nih.gov /disorders/cerebral_aneurysm/cerebral_aneurysm.htm (433 words)

	Brain aneurysm
		A brain aneurysm is a bulge in an artery in your brain.
		Because a ruptured brain aneurysm can be life-threatening, seek immediate medical attention if you develop a sudden, extremely severe headache, particularly if it's accompanied by other signs or symptoms, such as stiff neck and nausea and vomiting.
		A ruptured aneurysm on the surface of the brain causes a subarachnoid hemorrhage, bleeding into the space between your brain and your skull.
	www.cnn.com /HEALTH/library/DS/00582.html (1677 words)

	Aneurysm Surgery
		The CAT scan shows "blood around the brain," something doctors call a "subarachnoid hemorrhage." There could possibly be other problems, such as a blot clot in the brain itself ("intracerebral hemorrhage) and/or something called "hydrocephalus" (water on the brain, building up after blood cells have gradually clogged, the brain's drainage system).
		The blood vessels at the base of the brain (these are the largest, and "smartest" of all vessels) have the capability to control -- even commandeer -- blood to supply the brain as conditions demand.
		The operation has as its aim the "clippings" of the aneurysm at the base of its neck (just like tying off a balloon), so that it is eliminated from the blood circulation of the brain.
	www.brain-surgery.com /aneurysm.html (1652 words)

	The Brain Aneurysm Foundation >> Information
		Being diagnosed with a brain aneurysm is frightening.
		Having survived a ruptured aneurysm is a very difficult experience to have gone through and can be extremely unsettling.
		A brain aneurysm is a weak bulging spot on the wall of a brain artery very much like a thin balloon or weak spot on an inner tube.
	www.bafound.org /info/index.php (164 words)

	Aneurysm, brain definition - Medical Dictionary definitions of popular medical terms
		Aneurysm, brain: An aneurysm is a localized widening (dilatation) of an artery, vein, or the heart.
		At the area of an aneurysm, there is typically a bulge and the wall is weakened and may rupture.
		The word "aneurysm" comes from the Greek "aneurysma" meaning "a widening." A brain aneurysm is a small aneurysm that looks like a berry and classically occurs at the point at which a cerebral artery departs from the circular artery (the circle of Willis) at the base of the brain.
	www.medterms.com /script/main/art.asp?articlekey=6148 (209 words)

	Cerebral Aneurysm - Page 1 - HeartCenterOnline:
		A cerebral aneurysm is a weakness in the vessel wall of a
		The expanded portion of the vessel (the aneurysm) may push against surrounding nerves, causing symptoms, and there is the risk that it may rupture, causing bleeding into and around the brain.
		Because of this, most aneurysms are not detected until they grow and rupture, or unless they are noticed as part of a screening for another condition.
	heart.healthcentersonline.com /aneurysm/cerebralaneurysm.cfm (398 words)

	Healthopedia.com - Cerebral Aneurysm (Brain Aneurysm)
		A cerebral aneurysm is an abnormal swelling of a blood vessel wall inside the brain.
		A cerebral aneurysm is an area where a blood vessel in the brain weakens.
		The first rupture of an aneurysm may lead to stroke, permanent disability, or death.
	www.healthopedia.com /cerebral-aneurysm (339 words)

	M David Tilson Home Page: THE ANEURYSM INFORMATION PROJECT
		An aneurysm is a dilation of a blood vessel (similar to a balloon) that poses a risk to health from the potential for rupture, clotting, or dissecting.
		Rupture of an aneurysm in the brain causes stroke, and rupture of an aneurysm in the abdomen causes shock.
		The average rate of growth of an aneurysm is less than one-half of a centimeter per year, and some grow much slower, remaining relatively stable for fairly long periods of time.
	www.columbia.edu /~mdt1/faqs.html (1383 words)

	Aneurysm Center - HeartCenterOnline: (Site not responding. Last check: 2007-10-08)
		Aneurysm ruptures are painful events in which the weakened vessel bursts or tears, causing internal bleeding that can lead to death.
		An aortic aneurysm occurs in the body's main artery (aorta) and an abdominal aortic aneurysm (AAA) occurs in the section of the aorta the runs through the abdomen.
		When occurring in an artery of the brain, the term cerebral aneurysm (or brain aneurysm) may be used.
	www.heartcenteronline.com /The_Aneurysm_Center.html (374 words)

	Brain Arteriovenous Malformations (AVMs)
		Figure 1 shows a brain AVM prior to and after glue embolization of a portion of the AVM in the parietal region in a young patient who presented with seizures.
		The risk of injury to surrounding normal brain tissue is dependent upon the dose of radiation used.
		The decision of whether or not to treat a given brain AVM depends on its location and the extent of anticipated possible deficit associated with treatment.
	neurosurgery.mgh.harvard.edu /neurovascular/v-s-93-4.htm (1026 words)

	New Treatment 'Roadmap' Improves Odds For Unusual Brain Aneurysm (Site not responding. Last check: 2007-10-08)
		Coils Slash Death And Disabilty From Brain Aneurysms (October 28, 2002) -- Preliminary results of a long-term study suggest that coils inserted into burst aneurysms in the brain decrease by 25 percent the risk of patient death and disability during the first year after the...
		Aortic Aneurysm Associated With Decreased Incidence Of Atherosclerosis (September 13, 2005) -- Oddly enough, having an aneurysm in the ascending aorta is significantly associated with decreased incidence of atherosclerosis, according to a study by Yale School of Medicine researchers published...
		Rush Neurosurgeons Testing Cooling Method To Treat Brain Aneurysms (June 24, 2004) -- Patients who undergo brain surgery to treat aneurysms are at risk for permanent brain damage, but a protective cooling system is now being tested at Rush University Medical Center to reduce or...
	www.sciencedaily.com /releases/2005/05/050502144009.htm (1002 words)

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