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Updated: May 19, 2026

A Novel Digital Platform for a Monitored Home-based Cardiac Rehabilitation Program
Published on: April 19, 2019
Weber classification in cardiac rehabilitation.
1Cardiac Rehabilitation Centre, Department of Cardiology, CHR of Liège, Belgium. daniel.soumagne@CHRcitadelle.be
The Weber classification effectively tracks functional capacity improvements during cardiac rehabilitation. However, initial low classifications in patients post-cardiac event may underestimate rehabilitation outcomes.
Area of Science:
- Cardiology
- Exercise Physiology
- Rehabilitation Medicine
Background:
- Stationary cycle ergometry is standard for assessing aerobic capacity (peak oxygen uptake [peak VO2]) and anaerobic threshold in cardiac rehabilitation.
- The Weber classification uses peak VO2 and anaerobic threshold to define functional physical capacity.
Purpose of the Study:
- To evaluate the utility of the Weber classification in patients initiating cardiac rehabilitation.
- To assess how Weber classification correlates with different cardiac conditions and its changes post-rehabilitation.
Main Methods:
- Assessed peak VO2 and anaerobic threshold in 275 cardiac rehabilitation patients.
- Compared Weber classification and VO2 values across patient groups: percutaneous intervention (PCI), myocardial infarction, coronary artery bypass graft (CABG), and heart failure.
- Measured parameters before and after cardiac rehabilitation.
Main Results:
- Most patients presented with low Weber classifications (Class C for women, Class B for men) at the start of rehabilitation.
- Peak VO2 was highest in PCI patients and lowest in heart failure patients before rehabilitation.
- Cardiac rehabilitation improved Weber class by one level for most patient groups, except for men with heart failure.
Conclusions:
- The Weber classification is valuable for monitoring functional capacity changes throughout cardiac rehabilitation.
- While rehabilitation improves physical function, initial low Weber classifications may obscure the full extent of these gains.
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