High Intensity Interval Training Versus Moderate Continuous Training in Heart Failure With Preserved Ejection Fraction

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

19 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-06-30

Study Completion Date

2018-03-31

Brief Summary

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The purpose of this study is to determine whether high intensity interval training (HIIT) is superior to moderate continuous training in increasing cardiopulmonary capacity in heart failure with preserved ejection fraction patients.

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Detailed Description

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High intensity interval training (HIIT) has been proved to increase oxygen consumption, having superior cardiovascular effect when compared to moderate continuous training (MCT) in post-infarction patients (Wisloff et al.) Aerobic training also had shown positive effect on oxygen consumption and diastolic function in subjects with HFPEF when compared to usual care (Edelmann et al).

However, the comparison of HIIT and MCT on improving functional capacity and diastolic function in HFPEF patients has not yet been study.

Conditions

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Heart Failure Diastolic Heart Failure

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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High intensity interval training

exercise protocol for high intensity/aerobic interval training as described by ESC statement (Mezzani et al.)

Group Type ACTIVE_COMPARATOR

High Intensity Interval Training

Intervention Type BEHAVIORAL

The HIIT group will warm up for 10 minutes at 60% to 70% of peak heart rate(50% to 60% of V̇O2peak) before walking four 4-minute intervals at 85% to 95% of peak heart rate. Each interval will be separated by 3-minute active pauses, walking at 60% to 70% of peak heart rate. The training session will be terminated by a 3-minute cool-down at 60% to 70% of peak heart rate. Total exercise time will be 38 minutes for the HIIT group. Patients will perform 3 training sessions per week for 12 consecutive weeks.

Moderate Continuous Training

exercise protocol for continuous aerobic training as described by ESC statement (Mezzani et al.)

Group Type PLACEBO_COMPARATOR

Moderate Continuous Training

Intervention Type BEHAVIORAL

The moderate continuous training (MCT) group will undergo treadmill walking continuously at 60% to 70% of peak heart rate for 47 minutes each session to make sure the training protocols will be isocaloric. Patients will perform 3 training sessions per week for 12 consecutive weeks.

Interventions

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High Intensity Interval Training

The HIIT group will warm up for 10 minutes at 60% to 70% of peak heart rate(50% to 60% of V̇O2peak) before walking four 4-minute intervals at 85% to 95% of peak heart rate. Each interval will be separated by 3-minute active pauses, walking at 60% to 70% of peak heart rate. The training session will be terminated by a 3-minute cool-down at 60% to 70% of peak heart rate. Total exercise time will be 38 minutes for the HIIT group. Patients will perform 3 training sessions per week for 12 consecutive weeks.

Intervention Type BEHAVIORAL

Moderate Continuous Training

The moderate continuous training (MCT) group will undergo treadmill walking continuously at 60% to 70% of peak heart rate for 47 minutes each session to make sure the training protocols will be isocaloric. Patients will perform 3 training sessions per week for 12 consecutive weeks.

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Patients with heart failure with preserved ejection fraction (HFPEF) of any etiology that have functional class of the New York Heart Association (NYHA) between I and III, left ventricular ejection fraction \> 50% and who meet clinical and echocardiography criteria for HFPEF according to the consensus statement on the diagnosis of heart failure with normal left ventricular ejection fraction by the Heart Failure and Echocardiography Associations of the European Society of Cardiology (Paulus et al.). Patients should be clinical stable for the last 3 months and under optimized pharmacologic treatment, being capable of walking without limitations.

Exclusion Criteria

* Patients with exercise-induced unstable ventricular arrhythmias, unstable angina, moderate to severe valvular heart disease, severe pulmonary disease, severe anemia, cognitive limitations to understand study protocol, use of pacemaker, autonomic neuropathy, cardiovascular event for less than 3 months, congenital heart disease, terminal illness with less than 1 year of life expectancy, peripheral arterial disease with intermittent claudication or osteoarticular conditions limiting exercise will be excluded.

Minimum Eligible Age

35 Years

Maximum Eligible Age

75 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No