Different Endurance Training Protocols in Cardiac Rehabilitation

July 31, 2013 updated by: Prof. Josef Niebauer M.D., Ph.D., MBA, Paracelsus Medical University

Effects of Different Endurance Training Protocols on Physical Performance in Cardiac Patients

It is the aim of the study to compare the effects of 6 weeks of either high-intensity interval training (HIT; carried out at correctly assessed 85-95% of maximal heart rate), pyramid, or continuous endurance training, on changes of physical exercise capacity in cardiac patients.

The three exercise arms (isocaloric) are composed as follows:

Endurance training (n=15): 31min at 65-75% HRmax; HIT (n=15): 4x4min intervals at 85-95% HRmax divided by 3x3min of active recovery at 60-70% HRmax, making it a total of 25min; Pyramids (n=15): One Pyramid consists of 8 one-minute blocks. Those are grouped starting with one block of 70-75% HRmax, followed by one block at 75-80% HRmax and another one at 80-85% HRmax. The top of the pyramid are 2 blocks of 85-90% HRmax. Intensity is lowered afterwards with one block at 80-85% HRmax, followed by one block at 75-80% HRmax and last one at 70-75% HRmax. Two more pyramids follow, each divided by 2min of active recovery at 65-70% HRmax, making it a total of 28min.

All protocols are initiated by 5min of warm-up and end with 5min of cool-down, both at 60-70% HRpeak.

Primary Outcome: Individual maximum power output in watt (Pmax). Secondary Outcome: Change of power output in watt at lactate thresholds at 2 and 4 mmol/l.

Study Overview

Status

Completed

Conditions

Intervention / Treatment

Study Type

Interventional

Enrollment (Actual)

60

Phase

  • Phase 4

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Austria
      • Salzburg, Austria, 5020
        • Department of Sports Medicine, Prevention and Rehabilitation Paracelsus Medical University

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

25 years to 85 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Description

Inclusion Criteria:

At least one of the following diagnoses within the previous 3 months:

  • acute coronary syndrome (STEMI)
  • acute coronary syndrome (NSTEMI)
  • aortocoronary bypass surgery
  • PCI
  • stable coronary heart disease

Exclusion Criteria:

  • Unstable angina pectoris
  • Heart failure (NYHA IV)
  • Acute endomyocarditis or other acute infections
  • Pulmonary artery embolism or phlebothrombosis within the previous 6 months
  • Hemodynamically unstable arrhythmia
  • Hypertrophic cardiomyopathy
  • participation in another study within the previous 6 months
  • Medical conditions which prevent patients from complying with the exercise program

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: None (Open Label)

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Active Comparator: Endurance training with constant work load
Other: Endurance training with constant work load
Endurance training with constant work load(n=15): 31min at 65-75% HRmax
Experimental: Pyramid-Training
Other: Pyramid-Training
Pyramid-Training (n=15): One Pyramid consists of 8 one-minute blocks. Those are grouped starting with one block of 70-75% HRmax, followed by one block at 75-80% HRmax and another one at 80-85% HRmax. The top of the pyramid are 2 blocks of 85-90% HRmax. Intensity is lowered afterwards with one block at 80-85% HRmax, followed by one block at 75-80% HRmax and last one at 70-75% HRmax. Two more pyramids follow, each divided by 2min of active recovery at 65-70% HRmax, making it a total of 28min.
Experimental: High-intensity interval training
Other: High-intensity interval training
HIT (n=15): 4x4min intervals at 85-95% HRmax divided by 3x3min of active recovery at 60-70% HRmax, making it a total of 25min

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Individual maximum power output in watt (Pmax)
Time Frame: 6 weeks
Change of individual maximum power output in watt (Pmax) on a bicycle ergometer after the training intervention of controlled physical activity within 6 weeks
6 weeks

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Power output in watt at lactate threshold of 2 and 4 mmol/l
Time Frame: 6 weeks
Change of power output in watt at lactate thresholds at 2 and 4 mmol/l
6 weeks

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Paracelsus Medical University

Investigators

  • Study Chair: Josef Niebauer, MD, PhD, MBA, Paracelsus Medical University
  • Principal Investigator: Marcus Tschentscher, MSc, Paracelsus Medical University

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start

November 1, 2011

Primary Completion (Actual)

February 1, 2013

Study Completion (Actual)

May 1, 2013

Study Registration Dates

First Submitted

December 13, 2011

First Submitted That Met QC Criteria

December 13, 2011

First Posted (Estimate)

December 15, 2011

Study Record Updates

Last Update Posted (Estimate)

August 1, 2013

Last Update Submitted That Met QC Criteria

July 31, 2013

Last Verified

July 1, 2013

More Information

Terms related to this study

Additional Relevant MeSH Terms

Other Study ID Numbers

  • UISM-5

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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