"Decompensated heart failure is one form of the general condition in which the heart progressively loses the ability to pump blood. It is characterized by a set of symptoms including shortness of breath and intolerance to exercise."

"There were hopes that the new drug, levosimendan, would improve survival, because it uses a unique mechanism that makes heart muscle cells more sensitive to the calcium that causes them to contract. However, the study of 1,347 persons with acute decompensated heart failure, done at 75 centers in nine countries between March 2003 and December 2004, found essentially the same death rate for participants who got levosimendan as those who received an established medication, dobutamine, said a report in the May 2 issue of the "

"The trial leaves cardiologists without a totally satisfactory treatment for decompensated heart failure, said Dr. Robert Hobbs, a Cleveland cardiologist specializing in treatment of the condition. Some 5 million Americans have one form or another of heart failure, and about 1 million of them are hospitalized for it each year."

""The original therapy, which is still basic, is diuretics," Hobbs explained. "They make the body lose water, so people feel better. In the 1980s, ACE inhibitors came along to make people feel better and live longer, and they were added for long-term benefit. The third group of drugs to be used were beta blockers.""

"Dobutamine is a beta blocker that has been found to improve symptoms, but it has also been associated with an increased risk of death and cardiovascular problems. In the latest trial, participants with decompensated heart failure received levosimendan or dobutamine intravenously."

""The
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