Diabetes Can Result in Heart Attack

Diabetes leads to cardiomyopathy, if poorly controlled, according to health experts in India, resulting in a gradual deterioration of heart pumping capacity.

“Diabetes is also a major risk factor for atherosclerosis and this eventually leads to blockage of coronary arteries. This leads to heart attack or myocardial infarction,” Satish Koul, HOD and Director Internal Medicine, Narayana Superspeciality Hospital, Gurugram, told IANS.

“Due to myocardial infarction, the heart muscle becomes weak and eventually heart fails as a pump leading to congestive heart failure,” Koul added.

According to the current study reported in the Mayo Clinic Proceedings journal, researchers assessed the long-term effect of diabetes on heart failure development, both with retained ejection fraction–a measure of the percentage of blood leaving the heart with each contraction–and decreased ejection fraction. In a community population they also looked at mortality, controlling for hypertension, coronary artery disease and diastolic function.

21% of Diabetes Patients Get Heart Failure

From an initial group of 2,042 Olmsted County residents in the U.S., age, obesity, sex, coronary artery disease, and diastolic dysfunction compared 116 study participants with diabetes to 232 participants without diabetes.

21% of participants with diabetes experienced heart failure over the 10-year follow-up period, irrespective of other factors. In comparison, heart failure occurred in only 12 percent of patients without diabetes. Cardiac death, heart attack, and stroke in the sample between the two groups were not statistically different.

The study indicates that diabetes is an external risk factor in community-dwelling population for the development of heart failure. In fact, the result evidence supports the concept of cardiomyopathy with diabetes. This study expands previous findings and indicates that diabetic patients are still at increased risk. This is for developing heart failure relative to their non-diabetic peers. This is even without a known cardiac structural abnormality and with a typical ejection fraction.

“The key takeaway is that diabetes mellitus alone is an independent risk factor. This is for the development of heart failure,” said study senior author Horng Chen from Mayo Clinic in the US.

“Our hope is that this study provides a strong foundation for further investigations and heart failure. There is still much to learn and study in terms of this association. How to best diagnose and treat this condition,” Chen added.



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