( According to a study conducted by the r...)Diastolic Heart Failure on the Rise,Health

According to a study conducted by the researchers at the Mayo clinic it is found that there is an increase in the prevalence of a particular type of heart failure.//

The data was collected over a period of 15 years and it revealed the fact that there is a rise in the number of diastolic heart failure. Statistics show that diastolic heart failure account for more than half of heart failure cases. The results of the study were published in the New England Journal of Medicine. Nearly 5 million Americans are living with heart failure.

Heart failure refers to symptoms of shortness of breath, exercise intolerance and fluid retention, which occur when heart function is impaired. Heart failure may be associated with reduced pumping function as measured by the ejection fraction (systolic heart failure) or reduced relaxing function with preserved ejection fraction (diastolic heart failure). These two types of heart dysfunction cause exactly the same symptoms. Measurement of heart function, usually with an echocardiogram, is needed to distinguish between the two forms of heart failure.

The Mayo study indicates that now more than half of heart failure cases are due to diastolic heart failure. Of note, diastolic heart failure disproportionately affects women, particularly elderly women. ‘These data confirm that heart failure with preserved ejection fraction, also know as diastolic heart failure, is a growing concern,’ says Margaret Redfield, M.D., lead author of the study and director of Mayo Clinic's Heart Failure Clinic. ‘Nearly all previous studies of therapies for heart failure have excluded patients with diastolic heart failure. This type of heart failure is poorly understood. It is possible that therapies for this type of heart failure will need to be very different from those which are of benefit in systolic heart failure.’

The proportion of heart failure cases caused by diastolic heart failure increased from 38 percent to 47 perce
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