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About Stroke |
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A Stroke - Why it is so Important to Read This! |
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A stroke, also known as a CVA (cerebrovascular accident), is a life-threatening event in which the brain’s oxygen supply has been cut off causing problems with such functions as speech, sensation, behavior, memory, and thought processes. A stroke may also result in paralysis, coma, and even death. Stroke is the third leading cause of death in the United States and the second leading cause of neurological disability after Alzheimer’s disease. The incidence of stroke has slowly declined over the last 30 years partly due to increased awareness of risk factors and improvement in prophylactic measures and better surveillance of those individuals at increased risk. Strokes occur when an... |
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Amphetamine and Stroke Recovery |
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(NC)-Animals that have suffered a stroke recover faster and to a greater extent when they are treated with amphetamine, but it's unclear whether the drug will have the same effect in humans. Dr. Sandra Black and her team at the Sunnybrook and Women's College Health Sciences Centre are conducting tests to determine whether patients treated with amphetamine recover better from paralysis, sensory loss, language deficits and other effects of stroke. The researchers will use magnetic resonance imaging to detect how the brain recovers from stroke and how amphetamine affects this recovery. This research could lead to new stroke treatments. Dr. Black's research is being funded by the... |
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Diabetes, Heart Disease, And Stroke Could Happen To You |
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Did you know that if you have diabetes you have a greater chance of dying from heart disease or stroke and it doesn't make any difference if you are a woman or a man? One reason is high blood levels of sugar make the walls of your blood vessels thicker and cause them to lose their elasticity, which in turn makes it harder for blood to pass through. Type 1 diabetes is know as juvenile-onset diabetes and usually affects children and young adults and is genetically-linked. The following are some conditions that are typically found in people with type 2 diabetes, which is know as adult-onset diabetes, heart disease and stroke. Depression: Depression doubles the risk of a person getting... |
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Why High Blood Pressure Can Be So Dangerous
Author:
David Silva
We all know that high blood pressure is considered serious by the doctor. But not many of us know why. The truth of the matter is this: high blood pressure, left unchecked, can have serious consequences. The dangers can range from vision problems to ulcers to an outright stroke. The higher your blood pressure, the higher your risk of heart disease and stroke. Someone with blood pressure of 120/80 mmHg is at greater risk than someone with blood pressure of 110/70 mmHg. It's as simple as that. How does this impact your heart? When the heart is forced to overwork for an extended period of time, it tends to enlarge. A slightly enlarged heart can function well, but a significantly enlarged heart cannot. In fact, high blood pressure is the number one risk factor for congestive heart failure, a serious condition in which the heart is unable to pump enough blood to supply the body's needs. The result of the heart's inability to pump enough blood can be kidney damage or even a stroke. In relation to the kidneys, if left unchecked, high blood pressure can narrow and then thicken the blood vessels feeding the kidneys. The primary function of the kidneys is to serve as a filter for the body and to dispose of its waste. When denied enough blood to function properly, the kidneys begin to filter less fluid, and the excess waste begins to build in the blood stream. Eventually, if nothing is done, the kidneys can fail altogether, requiring dialysis to do the job for them. As for strokes, high blood pressure is a leading risk factor here as well. When a blood clot blocks one of the narrowed arteries, stroke can easily be the end result. And when if blood pressure becomes so high that it causes a break in one of the weakened blood vessels, which then bleeds into the brain, stroke is nearly unavoidable. A few more dangerous effects of high blood pressure you should note ... 1. Damage to cerebral tissues, resulting in convulsions, ataxia or impaired speech. Even brain death may occur in those patients with severe high blood pressure. 2. Ulcers may develop in the gastro-intestinal system. These occur most often in prolonged cases of hypertension. 3. Depression, though not directly related to high blood pressure, is often one of the consequences when hypertension begins to affect the body's organs and the health issues become more complicated. In summary: high blood pressure is dangerous because it requires your heart to work laboriously. That, in turn, can harden the walls of the arteries, which raises the risk for heart disease and stroke, the first-and-third leading causes of death for Americans. While high blood pressure can appear harmless at first glance, a closer look quickly uncovers the potential for a variety of problems, including heart failure, kidney disease, and blindness. Every time you visit your doctor, no matter what the visit is for, make sure you have your blood pressure checked. And if you have any suspicions that your blood might be on the high side, visit your doctor immediately. Your health is worth the extra caution. David Silva is the webmaster for Blood Pressure Insights, a website dedicated to understanding high blood pressure, its impact on your health, and its treatment.
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Air Pollution Hikes Stroke Risk |
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Copyright 2005 Daily News Central The type of stroke that results when a blood clot travels to the brain -- called an ischemic stroke -- is more likely to occur on days when the air contains a larger concentration of particulate matter, according to a study published online in Stroke: Journal of the American Heart Association. Researchers at Beth Israel Deaconess Medical Center (BIDMC) and the Harvard School of Public Health (HSPH) examined air quality on a total of 37,000 days in nine cities. Risk of hospitalization for ischemic stroke was 1 percent higher on days with relatively high levels of air pollution, compared with low-air pollution days, reports lead author Gregory Wellenius, ScD, postdoctoral fellow in cardiology at BIDMC. Third Cause of Death in US "Although these effects sound relatively small," says Wellenius, "given the large number of people exposed to air pollution and the large number of people at risk for stroke ... the actual number of strokes could be significant." Stroke is the third leading cause of death in the US, affecting more than 700,000 individuals each year. A "consistent increased risk" for cardiac health problems associated with exposure to ambient air particles was established in earlier research by Wellenius and coauthors Murray Mittleman, MD, DrPH, of BIDMC's Cardiovascular Epidemiology Research Unit and Joel Schwartz, PhD, of HSPH. "Air pollution has been shown to trigger heart attacks and to aggravate the conditions of patients with congestive heart failure," says Mittleman, who is also an associate professor of medicine at Harvard Medical School. "These new findings, demonstrating that incidence of clot-based strokes also increase, [are] in keeping with our earlier data showing a relationship between air pollution... |
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