Heart Attack (Myocardial Infarction) News and Research

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A Heart Attack (Myocardial Infarction) occurs when blood flow to a section of heart muscle becomes blocked. If the flow of blood isn’t restored quickly, the section of heart muscle becomes damaged from lack of oxygen and begins to die.

Heart attack is a leading killer of both men and women in the United States. But fortunately, today there are excellent treatments for heart attack that can save lives and prevent disabilities. Treatment is most effective when started within 1 hour of the beginning of symptoms. Heart attacks occur most often as a result of a condition called coronary artery disease (CAD). In CAD, a fatty material called plaque (plak) builds up over many years on the inside walls of the coronary arteries (the arteries that supply blood and oxygen to your heart). Eventually, an area of plaque can rupture, causing a blood clot to form on the surface of the plaque. If the clot becomes large enough, it can mostly or completely block the flow of oxygen-rich blood to the part of the heart muscle fed by the artery.

Implantable defibrillators benefit women as much as men after heart attack

Women who have had a heart attack get as much survival benefit as men from implanted cardioverter defibrillators (ICDs), devices designed to monitor the heart's pumping rhythm and shock it back to normal when needed, according to a study published in the December edition of the Journal of Cardiovascular Electrophysiology.

22 Dec 2005

Study to look for links between the nervous system and fatal heart rhythm

Finding out why seemingly healthy people experience ventricular fibrillation, a fatal irregular heart rhythm, could eventually lead to better methods of early detection, according to a Medical College of Georgia researcher.

22 Dec 2005

Erection problems may signal heart disease

According to a new study, men who complain of erection problems, have a higher risk of heart attack, stroke, and angina.

22 Dec 2005

One in three U.S. teens at risk of heart disease

According to researchers in the U.S. as many as one in three American teens are physically unfit and already have many of the risk factors for heart disease.

22 Dec 2005

Early, aggressive treatment of type 1 diabetes reduced risk heart disease and stroke

Intensive and early treatment of type 1 diabetes substantially lowers the risk of cardiovascular ailments such as heart disease and stroke, a new multicenter study shows.

22 Dec 2005

Living in the city - bad for you heart

According to new research, living in a busy city is bad for your heart.

21 Dec 2005

Earlier hormone therapy trial scared women - but it was wrong!

According to new research the widely publicised 2002 study which apparently proved that hormone replacement therapy raised the risk of heart disease and breast cancer, was fundamentally flawed.

19 Dec 2005

Cannabis medication linked to grandmother's death

A British grandmother who died after being given a controversial and experimental cannabis-based medicine had apparently told her family that she thought the drug was driving her mad.

19 Dec 2005

Fish oil supplements prevent declines in heart rate variability

A two-gram fish oil supplement given daily to elderly persons prevented a decline in heart rate variability caused by tiny, dangerous airborne pollutant particles. Heart rate variability, a measure of the autonomic nervous system's regulation of the heart, is an independent risk factor for cardiac arrhythmias, heart attack or sudden death.

15 Dec 2005

Pfizer to fund independent trial on Celebrex and heart risks

Drug company Pfizer Inc., the maker of Celebrex, will pay for an international study of 20,000 people.

14 Dec 2005

Benefits of aspirin for postmenopausal women

Aspirin can significantly reduce death rates for postmenopausal women with cardiovascular disease (CVD), researchers reported at the American Heart Association's Scientific Sessions 2005.

13 Dec 2005

SPARC promotes heart muscle formation from stem cells

The protein SPARC plays a key role in the development of heart muscle in the embryo. An Austrian Science Fund FWF project has discovered this previously unknown role of SPARC.

12 Dec 2005

Short-term use of painkiller drugs does not increase the risk of heart attack

Short-term use of painkiller drugs in the same family as ibuprofen does not increase the risk of having a heart attack.

7 Dec 2005

Physicians slow to prescribe newer heart drugs

An analysis of the treatment received by more than 100,000 heart patients has shown that physicians' prescription practices for drugs proven effective for treating heart disease has shown steady improvement over the past three years, cardiologists at the Duke Clinical Research Institute (DCRI) have concluded.

7 Dec 2005

Greater risk of a stroke after a heart attack

According to a new study in the U.S., there is a marked increase in the risk of stroke following a heart attack.

6 Dec 2005

Taking HRT before the menopause may prevent heart disease

According to American researcher Jay Kaplan, taking the "Pill" before the menopause or starting hormone replacement therapy before menopausal symptoms begin could actually help prevent heart disease in women.

6 Dec 2005

Alagebrium may prevent arterial aging in patients with systolic hypertension

A compound called alagebrium, which is very similar to another used in anti-wrinkle creams, may be useful in reducing the deleterious effects of arterial aging in the majority of elderly Americans with systolic hypertension, a new study from researchers at Johns Hopkins shows.

5 Dec 2005

Lay people can effectively use defibrillators to save the lives of cardiac arrest victims

The first large-scale study to see whether trained volunteers and lay people can use defibrillators to save the lives of cardiac arrest (CA) victims has concluded that their use by lay people is safe, and if the response time can be shortened to within eight minutes there is the potential to save the lives of 15 out of 100 people who collapse suddenly with CA.

5 Dec 2005

Making angioplasty safer

When life-threatening problems occur during angioplasty procedures, doctors may perform emergency coronary artery bypass graft surgery, but data from the Mayo Clinic indicates that need to send patients to emergency surgery has dropped sharply, according to a new study in the Dec. 6, 2005, issue of the Journal of the American College of Cardiology.

2 Dec 2005

Change in CPR guidelines means more lives will be saved

According to the American Heart Association the new simpler guidelines for giving CPR to people suffering cardiac arrest, will be more effective in keeping the blood flowing to the heart, when people suffer a heart attack.

30 Nov 2005