Effects of Exercise Training on Mechanoreflex and Metaboreflex Control in Heart Failure Patients

Effects of Exercise Training on Mechanoreflex and Metaboreflex Control of Muscle Sympathetic Nerve Activity in Heart Failure Patients

The investigators hypothesize that exercise training would improve the mechanoreflex and metaboreflex control in heart failure patients.

Inclusion Criteria:

• Patients with systolic heart failure;
• New York Heart Association (NYHA) class II-III;
• Left ventricular ejection fraction less than 40%;
• Peak Oxygen Consumption less than 20 ml/Kg/min;
• Stable Clinical Status.

Exclusion Criteria:

• Chronic Obstructive Pulmonary Disease;
• Neuromuscular Diseases;
• Orthopedic Diseases;
• Neurologic Diseases;
• Neoplastic Diseases;
• Recent myocardial infarction or cardiac surgery (less than 6 months);
• Unstable angina pectoris;
• Atrial Fibrillation;
• Pacemakers users;
• Changing medication or hospital admission.