Effect of Aquatic High Intensity Resistive Training on Patients With Chronic Heart Failure

This study tests whether aquatic high-intensity resistance training (strength exercises performed in a pool) is safe and effective for improving heart function and quality of life in people with stable chronic heart failure. **You may be eligible if...** - You are 45–60 years old with a confirmed diagnosis of chronic heart failure (mild to moderate, NYHA class I–III) - Your heart's pumping function is relatively preserved (ejection fraction over 50%) - You have been stable on medications for more than 3 months - You have not participated in any rehabilitation program before this study **You may NOT be eligible if...** - You have had signs of acute heart failure, unstable chest pain, or severe heart rhythm problems in the past 3 months - You have a pacemaker - You recently had a heart attack or coronary procedure - You have significant kidney or liver disease - You have uncontrolled blood pressure or significant heart valve disease - You have a chronic lung disease or a condition that limits your ability to exercise in water Talk to your doctor to see if this trial is right for you.