Clinical outcomes and cardiovascular responses to High Intensity Interval Training versus Moderate Intensity Continuous Training in Heart Failure Patients: A randomized, controlled trial.
- Conditions
- Systolic Heart FailureCardiovascular - Other cardiovascular diseasesPhysical Medicine / Rehabilitation - Other physical medicine / rehabilitation
- Registration Number
- ACTRN12612000511831
- Lead Sponsor
- niversity of New England
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- ot yet recruiting
- Sex
- All
- Target Recruitment
- 48
Diagnosis of heart failure by echocardiography LVEF<40% any aetiology is accepted
Myocardial infarction within prior 12 months.
Change of medical therapy in the 3 months prior to study entry.
Unstable angina
Resting systolic blood pressure > 200 mm Hg, or diastolic blood pressure > 110 mm Hg,
Systemic illness
Fever and critical aortic stenosis (peak systolic pressure gradient > 50 mm Hg with an aortic valve orifice area > 0.75 cm2 in average size adult).
Uncontrolled atrial or ventricular arrhythmias such as uncontrolled sinus tachycardia (> 120 beats.min-1), 3rd degree AV block, active pericarditis or myocarditis, recent embolism, thrombophlebitis and resting ST segment displacement (> 2 mm).
Uncontrolled diabetes (resting blood glucose of > 400 mg/dL)
Severe orthopedic conditions that would prohibit exercise
Other metabolic conditions such as acute thyroiditis, hypokalemia or hyperkalemia and hypovolemia.
dementia; any systemic disease limiting exercise; inability to participate in a prospective study for any logistic reason, chronic inflammatory disease
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Mortality[ 6 and 12 months]
- Secondary Outcome Measures
Name Time Method Peak VO2 (Cardiorespiratory fitness) will be assessed by expired gas analysis during staionary cycling using a 10W per min increment until volitional exhaustion or medical reason to terminate the test is reached.[ 0,1, 2, 3, 4, 5, 6, 12 months];Heart Function by echocardiography (pre and immediately post exercise testing)[ 0,3,6,12 months];Brain Natriuertic Peptide and ST-2 (both assesed by venipuncture, plasma separation and commercial assay)[ 0,3,6,12 months];Quality of life (Minnesota Living with Heart Failure Questionnaire)[ 0,1, 2, 3, 4, 5, 6, 12 months]