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You are less likely to survive a heart attack in winter than in summer
November 25, 1999Almost 11,000 people who had suffered a heart attack between 1988 and 1997 were compared. Those whose attacks occurred in the winter tended to have a higher risk profile, in that they were older, more likely to be at home when the attack
occurred, and less likely to be defibrillatedgiven an electrical current to stop abnormal heart rhythms. However, even when these factors were taken into consideration, they were still 19 per cent less likely to survive the heart
attack than their summer counterparts, despite there being no difference in the number of resuscitation attempts made during both seasons. Deaths before admission to hospital were also significantly higher in winter.
The reasons for the variation may be down to colder temperatures increasing blood pressure and heart strain, say the authors: in Britain winter blood pressures exceed those during the summer by around 5 mm Hg. And the evidence
shows that death from coronary heart disease tends to be lower in countries where there are adequate fuel supplies and strict regulations on ambient temperature. Low temperatures tend to increase blood stickiness and therefore the ease with which blood clots.
Other factors include lower vitamin D levels and higher cholesterol levels during the winter, both of which are linked to the amount of sunshine, and the higher levels of respiratory infection during winter, which may also increase blood clotting ability.
As emigration to warmer climes is not an option for most people, say the authors, adequate indoor heating, protective clothing, especially of the face, and the avoidance of sudden strenuous exercise, are all sensible precautions to take, to minimise the risks of dying from a heart attack.
AlphaGalileo Foundation
As emigration to warmer climes is not an option for most people, say the authors, adequate indoor heating, protective clothing, especially of the face, and the avoidance of sudden strenuous exercise, are all sensible precautions to take, to minimise the risks of dying from a heart attack.
AlphaGalileo Foundation
Heart Attack Current Events and Heart Attack News RSSInhibition of GRK2 is protective against acute cardiac stress injuries
Inhibition of a protein known to contribute to heart failure also appears to be protective of the heart in more acute cardiac stress injury, namely ischemia reperfusion.
Vitamin B niacin offers no extra benefit to statin therapy in seniors already diagnosed with CAD
The routine prescription of extended-release niacin, a B vitamin (1,500 milligrams daily), in combination with traditional cholesterol-lowering therapy offers no extra benefit in correcting arterial narrowing and diminishing plaque buildup in seniors who already have coronary artery disease, a new vascular imaging study from Johns Hopkins experts shows.
Heart and bone damage from low vitamin D tied to declines in sex hormones
Researchers at Johns Hopkins are reporting what is believed to be the first conclusive evidence in men that the long-term ill effects of vitamin D deficiency are amplified by lower levels of the key sex hormone estrogen, but not testosterone.
Elevated biomarkers lead to diminished quality of life in heart attack patients post-discharge
Many heart attack patients have high levels of cardiac biomarkers in the blood for several months after leaving the hospital, with more shortness of breath and chest pain, according to a Henry Ford Hospital study.
Tiny particles can deliver antioxidant enzyme to injured heart cells
Researchers at Emory University and the Georgia Institute of Technology have developed microscopic polymer beads that can deliver an antioxidant enzyme made naturally by the body into the heart.
Early end to key study on benefits of niacin, a B vitamin, in keeping arteries open was premature
Heart experts at Johns Hopkins are calling premature the early halt of a study by researchers at Walter Reed Army Medical Center and Washington Hospital Center on the benefits of combining extended-release niacin, a B vitamin, with cholesterol-lowering statin medications to prevent blood vessel narrowing.
oo much selenium can increase your cholesterol
A new study from the University of Warwick has discovered taking too much of the essential mineral selenium in your diet can increase your cholesterol by almost 10%.
Higher carotid arterial stenting rates associated with poorer clinical outcomes
Among eligible Medicare beneficiaries, increased use of carotid arterial stenting (CAS) procedures to treat carotid stenosis-the narrowing of the carotid artery-is associated with higher rates of mortality and adverse clinical outcomes, including heart attack and stroke, according to researchers from the University of Pennsylvania School of Medicine.
Study suggests dentists can identify patients at risk for fatal cardiovascular event
A new study indicates dentists can play a potentially life-saving role in health care by identifying patients at risk of fatal heart attacks and referring them to physicians for further evaluation.
Common Pain Relievers May Dilute Power of Flu Shots
With flu vaccination season in full swing, research from the University of Rochester Medical Center cautions that use of many common pain killers - Advil, Tylenol, aspirin - at the time of injection may blunt the effect of the shot and have a negative effect on the immune system.
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Heart Attack Keychain by TBO-TECH Remember how the self defense experts used to tell you to place your keys between your fingers and punch. Now there is something much better and more effective. Carry the Heart Attack on your key chain and be ready to protect yourself anytime. Hold it between you fingers and punch! Attackers beware. The Heart Attack keychain knife is small (3.5 inches long) and made of tough plastic. |
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