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Higher risk of death in heart attack victims with no chest pain
October 12, 2001An absence of chest pain during a heart attack increases the risk of death, shows research in Heart. Previous research shows that chest pain is not typical of a heart attack in around one in four patients.
The study focused on 3684 admissions to 20 adjacent hospitals in Yorkshire for suspected heart attack for three months in 1995. In 2100 cases a heart attack was confirmed. Over one in five heart attack sufferers had symptoms other than chest pain. The most common symptoms were shortness of breath, followed by collapse and upper body discomfort.
Women were significantly more likely to number in this group. And this gender difference remained even after adjusting for other risk factors such as older age-these patients tended to be in their 70s-, and an underlying diagnosis of heart failure or diabetes, both of which were more common in those without chest pain.
But a painless heart attack also carried a greater risk of death and less aggressive treatment. These patients were over twice as likely to die within a month and three times as likely to die within a year as patients who had typical chest pain.
An absence of chest pain also reduced the chances of treatment on a specialist unit or enrolment in a cardiac rehabilitation programme, or being discharged with a regimen of drugs known to minimise the risk of occurrence and improve survival. The authors comment: "It is interesting to speculate, therefore, how much of the poor outcome of this subgroup without chest pain is attributable to the poorer treatment received."
British Medical Journal (BMJ)
But a painless heart attack also carried a greater risk of death and less aggressive treatment. These patients were over twice as likely to die within a month and three times as likely to die within a year as patients who had typical chest pain.
An absence of chest pain also reduced the chances of treatment on a specialist unit or enrolment in a cardiac rehabilitation programme, or being discharged with a regimen of drugs known to minimise the risk of occurrence and improve survival. The authors comment: "It is interesting to speculate, therefore, how much of the poor outcome of this subgroup without chest pain is attributable to the poorer treatment received."
British Medical Journal (BMJ)
Heart Attack Current Events and Heart Attack News RSSFat around the middle increases the risk of dementia
Women who store fat on their waist in middle age are more than twice as likely to develop dementia when they get older, reveals a new study from the Sahlgrenska Academy.
Inhibition 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.
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