Tag Archive 'Blood vessel'

Dec 17 2008

Who Is At Risk For Epilepsy ?

Published by pooch under Cerebral Palsy Knowledgebase

Nearly 2.7 million Americans are affected with epilepsy. This means that 9 out of every 1,000 Americans have the disease.

Although statistics show that men are more affected by epilepsy that women around the world is likely to have epilepsy. It can happen to any body, any race at any age. However, people with certain conditions are at increased risk of acquiring epilepsy.

It may be recalled that in the twentieth century, some states in the United States banned people from marrying for fear of transmitting the disease to their children. Some even had to go through sterilization to prevent reproduction. This is due to the widespread belief that epilepsy is 100 percent heritable. This practice was stopped only with the approval of the Law on Disability.

And yet, although epilepsy is not necessarily hereditary, family members of a person with epilepsy have a higher risk of developing the disease. Siblings of a child with epilepsy, for example, are more likely to develop the disorder. This is not because epilepsy is contagious, but is due to the likelihood of a genetic tendency to develop epilepsy. Furthermore, epilepsy is most likely to occur in siblings of children who suffer from generalized convulsions. In fact, about 4 to 10 per cent of other children in the family develops epilepsy. But this still depends on the type of epilepsy, and the number of affected family members.

In addition, parents of children with epilepsy are also at greater risk of developing epilepsy, linked to a 5 per cent. The risk to children whose father has epilepsy is slightly higher for children whose mother has the disorder. However, the risk is even greater if both parents have epilepsy. Although genetics is a risk factor in the development of epilepsy, the risk is relatively low and should not be a cause for great alarm. Moreover, even if children develop the disorder, most of them will definitely outweigh epilepsy at the time they become adults. Advances in modern medicine make it possible to control seizures.

Age is another factor in the development of epilepsy. Although the disorder can strike at any age, children and adolescents are more susceptible. In fact, nearly 50 percent of all cases of epilepsy occur before ten years of age, while 30 percent of cases are those aged 10-19. The remaining 13 percent are people aged 20-29, while ten per cent are aged 30 or over. Although children are at increased risk of developing the disease, tend to experience a reduction in the frequency and intensity of seizures as they grow into adulthood. Some even outgrew the disease completely.

In addition to genetic factors and age, people with certain conditions pose a higher risk of developing epilepsy. Studies confirm that up to 5 per cent of the total world population may experience a single seizure in a time of their lives. Half of the cases, however a clear cause are more likely to suffer a second arrest in a span of six months. Having two such seizures, is 80 percent chance that it is epilepsy. Although the exact cause of epilepsy can not be identified, there are known factors that twice as likely to develop epilepsy. Such risk factors include:

Babies who suffer convulsions during his first month
Babies with congenital abnormal brain structures
Babies that are too small for their gestational age
Cerebral hemorrhage or internal bleeding
Unstable or abnormal blood vessels in the brain
Brain injuries
The lack of oxygen to the brain
Cerebral Palsy
Brain infections such as abscesses, encephalitis and meningitis
Brain Cancer
Mental illness
Stroke due to blockage of the arteries
Early in postraumatic seizures
Degenerative diseases like Alzheimer’s disease
Drug abuse
Fever-related seizures

Despite finding the cause of epilepsy is almost impossible, the best thing one can do is to avoid so-called triggers, however, as food poisoning, nutritional deficiencies, over-the-counter medications that reduce the effectiveness of the seizure of drugs , Severe stress, the lack of sleep, drug abuse and loss of medicines.

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Nov 03 2008

Complete Information On Cerebral Aneurysm Or Brain Aneurysm

Published by pooch under Cerebral Palsy News

Brain aneurysms, also called intracerebral. Saccule outpouchings intracranial aneurysms are abnormal blood vessels that occur in the blood vessels of the brain. Aneurysms of the artery usually in branch points and can take a variety of shapes and sizes. About 5% of the population may harbor intracranial aneurysms. Twenty percent of patients with a cerebral aneurysm is more aneurysms. Aneurysms usually cause medical problems due to hemorrhage (rupture) or exerting pressure on some brain structures. Brain aneurysms occur most commonly in adults than in children but can occur at any age.

They are slightly more common in women than in men. It is estimated that people with unruptured aneurysm is a 1-2% annual risk of bleeding. Brain aneurysms are thought to develop from deficiencies in blood vessel walls, especially in branching. Smoking, high blood pressure and certain connective tissue disorders seem to promote the development of aneurysms. Less commonly, aneurysms can be secondary to traumatic injury of blood vessels. Infectious causes can give rise to concerns as mycotic aneurysms. Physical effort and use of oral contraceptives are suspected causes of rupture by aneurism.

Aneurysms and tear can induce bleeding in the region between the mind and the membrane surrounding the so-called arachnoid. Most aneurysms under ΒΌ inch in diameter, no crack. However, aneurysms that can not crack his head and shot to death. A ruptured aneurysm often causes a serious concern known as a “thunder” worry because it is then abruptly. Other symptoms can include nausea, vomiting, changes of the imagination, apathy, failing that, the management of disability, and convulsions. Aneurysms can be treated outside the blood vessel by techniques of post-or from inside the blood vessel by endovascular techniques.

The two main methods of treatment are microsurgery of the aneurysm and endovascular operation. Microsurgery of aneurysms involves a process of handling postoperative available to reveal the aneurysm by sliding under and around the mind and fragile instruments using high-power magnification. In the endovascular operation, a catheter is inserted into an artery of the patient incidental and navigate, using an angiogram as a “road map” for the region in which the aneurysm is located. Once set up, the aneurysm was so full from the inside with small platinum “reels.” Coils respond with the blood that cause around which curdle remove the aneurysm.

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Sep 04 2008

Information on Cerebral Aneurysm

Published by pooch under Cerebral Palsy Knowledgebase

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. The bulging aneurysm can put pressure on a nerve or surrounding brain tissue. It may also leak or rupture, spilling blood into the surrounding tissue (called a hemorrhage). Some cerebral aneurysms, particularly those that are very small, do not bleed or cause other problems. Cerebral aneurysms can occur anywhere in the brain, but most are located along a loop of arteries that run between the underside of the brain and the base of the skull.

Cerebral aneurysms are pathologic focal dilatations of the cerebrovasculature that are prone to rupture. These vascular abnormalities are classified by presumed pathogenesis. Saccular, berry, or congenital aneurysms constitute 90% of all cerebral aneurysms and are located at the major branch points of large arteries. Dolichoectatic, fusiform, or arteriosclerotic aneurysms are elongated outpouchings of proximal arteries that account for 7% of all cerebral aneurysms. Infectious or mycotic aneurysms are situated peripherally and comprise 0.5% of all cerebral aneurysms. Other peripheral lesions include neoplastic aneurysms, rare sequelae of embolized tumor fragments, and traumatic aneurysms.

A common location of cerebral aneurysms is on the arteries at the base of the brain, known as the Circle of Willis. Approximately 85% of cerebral aneurysms develop in the anterior part of the Circle of Willis, and involve the internal carotid arteries and their major branches that supply the anterior and middle sections of the brain. The most common sites include the anterior communicating artery (30-35%), the bifurcation of the internal carotid and posterior communicating artery (30-35%), the bifurcation of the middle cerebral artery (20%), the bifurcation of the basilar artery, and the remaining posterior circulation arteries (5%).

Most cerebral aneurysms result from an inborn abnormality in an artery wall. 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 signs and symptoms of an unruptured cerebral aneurysm will partly depend on its size and rate of growth. 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. Immediately before an aneurysm ruptures, an individual may experience such symptoms as a sudden and unusually severe headache, nausea, vision impairment, vomiting, and loss of consciousness.

Most aneurysms go unnoticed until they rupture. In about 10 to 15 percent of cases, however, there are symptoms. Common warning signs include an enlarged pupil in one eye, a drooping eyelid, or pain above or behind the eye. Other symptoms include a headache in one specific part of the head, difficulty in walking, double vision, or numbness in the face.

Diagnosis of a ruptured cerebral aneurysm is commonly made by finding signs of subarachnoid hemorrhage on a CT scan (Computerized Tomography, sometimes called a CAT scan). The CT scan is a computerized test that rapidly X-rays the body in cross-sections, or slices, as the body is moved through a large, circular machine. If the CT scan is negative but a ruptured aneurysm is still suspected, a lumbar puncture is performed to detect blood in the cerebrospinal fluid (CSF) that surrounds the brain and spinal cord.

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