Diabetes, Heart and Cardiovascular Diseases News Chronicle Diabetes, Cardiovascular and Heart Diseases. Article 319
Published on April 5, 2018 at 1:30 PM GMT


Heart failure risk could be reversed among sedentary people with aerobic intensity exercise


Aerobic intensity exercise such as aerobic interval training restores heart's elasticity elastic nature.

Heart failure is the most common reason for hospital admissions among people aged more than 65 years. Left ventricle of the heart pumps blood rich with oxygen and energy through out the body and to organs including heart and heart muscle. Sedentary lifestyle of an individual causes stiffening of the heart muscles including muscles of left ventricle leading to reduced heart's blood pumping functionality, a condition known as heart failure. Heart chambers of those peoples found to be nonelastic, small and unable to pump sufficient blood. Some of the symptoms of heart failure condition are


In people aged less than 65 years, heart has the ability to change its size, shape, structure and its functionality. These features are lacking in individuals aged more than 65 years. Earlier studies have shown marked improvement in the cardiac compliance among young people with one year exercise training program. Heart chambers of competitive masters-level athletes found to be elastic.

Researchers at the Institute for Exercise and Environmental Medicine (IEEM), Dallas, Texas have conducted a study to find out whether heart's elasticity can be restored among sedentary individuals (aged less than 65 years with stiff heart muscles) with prolonged aerobic intensity exercise.

They conducted studies among 53 healthy participants aged between 45 to 64, but leading a sedentary lifestyle. Researchers have divided the participants into two groups. Participants of the study group were under supervised aerobic intensity exercise which includes high and moderate-intensity aerobic exercises for two years. Participants of the control group were under yoga and balance training such as balance leg and arm reaches, lunges and hopping. The exercise regimen is with following features.


Improvements observed by the researchers at the end of two-year exercise program are

Study results shows reversal of damage to aging hearts of sedentary middle-aged people with a two year exercise program. But an individual should perform those exercises regularly for at least four to five times in a week to reverse damage to aging hearts.

Researchers says their study shows noncompetitive athletes aged less than 65 years too can have heart chambers with characteristics similar to competitive masters-level athletes if they perform regular and dedicated high and moderate-intensity aerobic exercises over decades.

Senior author of the study was Professor Benjamin D. Levine, MD, Internal Medicine and also Distinguished Professorship in Exercise Sciences, University of Texas Southwestern Medical Center, Texas, United States. The study findings were published January 8, 2018 in the Circulation. Title of the article was "Reversing the Cardiac Effects of Sedentary Aging in Middle Age - A Randomized Controlled Trial: Implications For Heart Failure Prevention." DOI : dx.doi.org/10.1161/CIRCULATIONAHA.117.030617


       
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