Breathing Muscle Training Combined With Heart Failure Exercise Program

Researchers at Mayo Clinic are studying whether breathing muscle training—exercises that strengthen the muscles you use to breathe—can help improve heart function when combined with a standard cardiac rehabilitation program. The study will compare two groups: one doing very light breathing exercises and one doing more intensive breathing exercises, both over 12 weeks. They want to see if stronger breathing muscles help the heart work better during exercise.

People with heart failure often have difficulty exercising and may experience problems with blood flow and blood pressure during physical activity. This trial is exploring whether training the breathing muscles could be a simple, additional tool to help improve these exercise responses and overall heart function.