Exercise is often recommended to keep the body in condition. When a diseased heart valve is found, surgery may be done to replace the valve. Heart Failure Clinical Trials Heart failure affects 4.5 million people in the United States. Several studies are evaluating the effectiveness of ventricles pumping in a more normal sequence and at the correct time in the heart cycle. This study involves patients with heart failure and ventricular dyssynchrony.
Enrollment is complete.
This study involves patients who have heart failure, ventricular dyssynchrony and also need an implantable defibrillator. This study involves patients with heart failure and ventricular dyssynchrony. These patients do not need a pacemaker or defibrillator. The InSync III study is evaluating the safety and efficacy of a heart failure therapy called cardiac resynchronization. This study involves patients with heart failure.