Stroke

Blood pressure monitoring

(Medical Xpress)—Untreated and sustained hypertension has an adverse effect on brain structure and function, and is a risk factor for cognitive decline and dementia. Blood pressure (BP) variability from ...

Sep 16, 2014
popularity 3 / 5 (3) | comments 0

What's more effective: Generic or brand-name statins?

Statins are the most frequently prescribed drugs in the United States and are effective in reducing cardiovascular events. However, evidence suggests that patients do not always take these medications as prescribed and may ...

Sep 15, 2014
popularity not rated yet | comments 0

A heart-felt need for dairy food

A daily small serve of dairy food may reduce the risk of heart disease or stroke, even in communities where such foods have not traditionally formed part of the diet.

Sep 16, 2014
popularity not rated yet | comments 0

Can your blood type affect your memory?

People with blood type AB may be more likely to develop memory loss in later years than people with other blood types, according to a study published in the September 10, 2014, online issue of Neurology, the me ...

Sep 10, 2014
popularity 4.3 / 5 (13) | comments 0

Lipid deficiency linked to neuron degeneration

A type of lipid that naturally declines in the aging brain impacts – within laboratory models used to study Parkinson's disease – a protein associated with the disease, according to a study co-authored by University of ...

Sep 09, 2014
popularity 5 / 5 (5) | comments 0

A stroke, also known as a cerebrovascular accident (CVA), is the rapid loss of brain function(s) due to disturbance in the blood supply to the brain. This can be due to ischemia (lack of blood flow) caused by blockage (thrombosis, arterial embolism), or a hemorrhage (leakage of blood). As a result, the affected area of the brain cannot function, which might result in an inability to move one or more limbs on one side of the body, inability to understand or formulate speech, or an inability to see one side of the visual field.

A stroke is a medical emergency and can cause permanent neurological damage, complications, and death. It is the leading cause of adult disability in the United States and Europe and the second leading cause of death worldwide. Risk factors for stroke include old age, hypertension (high blood pressure), previous stroke or transient ischemic attack (TIA), diabetes, high cholesterol, cigarette smoking and atrial fibrillation. High blood pressure is the most important modifiable risk factor of stroke.

A silent stroke is a stroke that does not have any outward symptoms, and the patients are typically unaware they have suffered a stroke. Despite not causing identifiable symptoms, a silent stroke still causes damage to the brain, and places the patient at increased risk for both transient ischemic attack and major stroke in the future. Conversely, those who have suffered a major stroke are at risk of having silent strokes. In a broad study in 1998, more than 11 million people were estimated to have experienced a stroke in the United States. Approximately 770,000 of these strokes were symptomatic and 11 million were first-ever silent MRI infarcts or hemorrhages. Silent strokes typically cause lesions which are detected via the use of neuroimaging such as MRI. Silent strokes are estimated to occur at five times the rate of symptomatic strokes. The risk of silent stroke increases with age, but may also affect younger adults and children, especially those with acute anemia.

An ischemic stroke is occasionally treated in a hospital with thrombolysis (also known as a "clot buster"), and some hemorrhagic strokes benefit from neurosurgery. Treatment to recover any lost function is termed stroke rehabilitation, ideally in a stroke unit and involving health professions such as speech and language therapy, physical therapy and occupational therapy. Prevention of recurrence may involve the administration of antiplatelet drugs such as aspirin and dipyridamole, control and reduction of hypertension, and the use of statins. Selected patients may benefit from carotid endarterectomy and the use of anticoagulants.

This text uses material from Wikipedia licensed under CC BY-SA

Latest Spotlight News

Mechanism behind age-dependent diabetes discovered

Ageing of insulin-secreting cells is coupled to a progressive decline in signal transduction and insulin release, according to a recent study by researchers at Karolinska Institutet in Sweden. The finding, ...

Connection found between birth size and brain disorders

(Medical Xpress)—A trio of researchers has found what appears to be a clear connection between birth size and weight, and the two brain disorders, autism and schizophrenia. In their paper published in Proceedings of ...