Results from a new study suggest that a device that both acts as a defibrillator and as an aid to resynchronize the heart reduces deaths by nearly one-third in patients with mild heart failure. The CRT-D device had previously been shown effective in patients with severe heart failure. But this is the first study to look at its use in people with milder forms of disease, a form that accounts for about 70 percent of U.S. heart failure patients. The study that reached this conclusion about the CRT-D device was terminated early because its results were so successful.
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