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Condition: Heart Attack
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Total 191 results found since Jan 2013.
Protein in plasma may one day change transfusions
When someone is bleeding, a blood clot is a positive response -- the body forms the clot as a plug to stop bleeding. But when blood clots form in the absence of an injury, those clots can be life-threatening. Excessive blood clots in arteries and the brain are the main cause of heart attack and stroke. Researchers found that fibronectin can actually switch its function from stopping bleeding to stopping overactive blood clots.
Source: ScienceDaily Headlines - September 3, 2014 Category: Science Source Type: news
Being overweight causes hazardous inflammations
A possible molecular explanation for why overweight is harmful has been discovered by researchers. They suggest that overeating increases the immune response. This increased immune response causes the body to generate excessive inflammation, which may lead to a number of chronic diseases. This new knowledge may provide new drugs for heart attack, stroke, cancer and chronic intestinal inflammation.
Source: ScienceDaily Headlines - August 25, 2014 Category: Science Source Type: news
Novel pathway for prevention of heart attack, stroke
A recent study could pave the way for preventing brain and cardiac ischemia induced by atherosclerosis. Finnish researchers have found that the low-expression variant of fatty acid-binding protein 4 (FABP4), which is particularly common among Finns, reduces the risk of heart attack and stroke. The finding revealed a promising new way to customize a potentially preventive drug for atherosclerosis.
Source: ScienceDaily Headlines - August 21, 2014 Category: Science Source Type: news
Removing disordered regions of shape-shifting protein explains how blood clots
Researchers used x-ray crystallography to publish the first image of prothrombin. The protein’s flexible structure is key to the development of blood-clotting. Blood-clotting has long ensured our survival, stopping blood loss after an injury. However, when triggered in the wrong circumstances, clotting can lead to debilitating or fatal conditions such as a heart attack, stroke or deep vein thrombosis.
Source: ScienceDaily Headlines - July 15, 2014 Category: Science Source Type: news
Testosterone therapy does not increase heart attack risk, study shows
Testosterone prescriptions for older men in the United States have increased more than three-fold over the past decade. Recent studies linking testosterone use with increased risk of heart attack and stroke have caused widespread concern among patients and their families. A new US-based study of more than 25,000 older men shows that testosterone therapy does not increase men's risk for heart attack.
Source: ScienceDaily Headlines - July 2, 2014 Category: Science Source Type: news
New driver of atherosclerosis offers potential as therapeutic target
A new driver of atherosclerosis has been identified by researchers. Atherosclerosis is characterized by the build-up of lesions (or plaques) formed from lipids, such as cholesterol and fatty acids. Ruptured plaques can partially or completely block blood flow, potentially leading to a heart attack or stroke.
Source: ScienceDaily Headlines - June 19, 2014 Category: Science Source Type: news
Sjögren's Syndrome significantly increases risk of heart attack
A new study showed a significantly increased risk of heart attack in patients with Sjögren's syndrome, particularly in the first year following diagnosis. There was also a trend towards an increased risk for stroke.
Source: ScienceDaily Headlines - June 13, 2014 Category: Science Source Type: news
Insulin's risks as second-line medicine to treat type 2 diabetes
Adults with type 2 diabetes who take insulin in addition to the recommended first-line drug therapy, metformin, had a 30 percent higher risk of heart attack, stroke or death when compared to similar patients who instead augment their metformin regimen with a sulfonylurea, research shows. New heart attacks and strokes occurred at similar rates in both groups but death (from all causes) was 44 percent higher in patients who added insulin compared to those who added a sulfonylurea.
Source: ScienceDaily Headlines - June 11, 2014 Category: Science Source Type: news
'Tomato pill' improves function of blood vessels in patients with cardiovascular disease
A daily supplement of an extract found in tomatoes may improve the function of blood vessels in patients with cardiovascular disease, according to new research. The incidence of cardiovascular is notably where a 'Mediterranean diet' consisting of a larger consumption of fruit, vegetables and olive oil predominates. Recent dietary studies suggest that this diet reduces the incidence of events related to the disease, including heart attack and stroke, in patients at high cardiovascular risk, or those who have previously had the disease.
Source: ScienceDaily Headlines - June 10, 2014 Category: Science Source Type: news
Protective proteins reduce damage to blood vessels
Proteins found in our blood can reduce damage caused to blood vessels as we age, and in conditions such as atherosclerosis and arthritis, new research finds. Calcification is a major risk factor for heart attack and stroke. Blood vessels can harden as calcium phosphate (CaP) crystals, normally found in bones and teeth, build up in soft tissue as we age or as a result of illness. This can lead to complications in patients with atherosclerosis, a major cause of death whereby arteries thicken and are at risk of becoming blocked.
Source: ScienceDaily Headlines - May 21, 2014 Category: Science Source Type: news
How does stress increase risk for stroke, heart attack?
Scientists have shown that anger, anxiety, and depression not only affect the functioning of the heart, but also increase the risk for heart disease. Stroke and heart attacks are the end products of progressive damage to blood vessels supplying the heart and brain, a process called atherosclerosis. Atherosclerosis progresses when there are high levels of chemicals in the body called pro-inflammatory cytokines. It is thought that persisting stress increases the risk for atherosclerosis and cardiovascular disease by evoking negative emotions that, in turn, raise the levels of pro-inflammatory chemicals in the body.
Source: ScienceDaily Headlines - May 5, 2014 Category: Science Source Type: news
New ultrasound device may add in detecting risk for heart attack, stroke
A new ultrasound device that could help identify arterial plaque that is at high risk of breaking off and causing heart attack or stroke has been developed by researchers. The prototype device has performed well in laboratory testing, but the researchers say they are continuing to optimize the technology. They hope to launch pre-clinical studies in the near future.
Source: ScienceDaily Headlines - April 24, 2014 Category: Science Source Type: news
Pressure relief valve in cellular membrane identified
Regulation of cell volume is critical for the body’s cells, for example during cellular exposure to fluids of varying salt concentrations, in cell division and cell growth, but also in diseases such as cancer, stroke and myocardial infarction. A certain chloride channel, a membrane protein that allows the passage of the chloride ion, is of crucial importance in volume regulation.
Source: ScienceDaily Headlines - April 16, 2014 Category: Science Source Type: news
Inside the mummies' embalmed bodies courtesy of a hospital CT scanner
The British Museum's next big exhibition reveals secrets that experts have been able only to guess at until nowSpare a thought for the unknown adult mummified in a Theban necropolis more than 2,500 years go. Not only did he suffer the most excruciating, possibly life-threatening dental abscesses, but the embalmer botched the afterlife preparation, leaving bits of brain in his skull as well as a broken section of the spatula he was using to remove it.Then there's Tamut, a temple singer with enough calcified plaque in her arteries to risk a heart attack or stroke. Continue reading...
Source: Guardian Unlimited Science - April 9, 2014 Category: Science Authors: Mark Brown, arts correspondent Tags: Archaeology Egyptology Science Exhibitions Culture UK news Source Type: news
New pathway revealed through sodium pump
In addition to its role as a sodium and potassium ion transporter, the ubiquitous sodium pump displays “hybrid” function by simultaneously importing protons into the cell. Proton inflow might play a role in certain pathologies, including heart attack and stroke.
Source: ScienceDaily Headlines - March 31, 2014 Category: Science Source Type: news
