Abstract
Funding Acknowledgements
Type of funding sources: Public hospital(s). Main funding source(s): Centro Hospitalar Universitário Lisboa Central
Methods
We studied 30 patients (P) with ejection fraction (EF) 40-50%, in a number of 198 P that participated in cardiac rehabilitation program (CRP). Of these P, 24 (80%) male and 6 (20%) female, 20 P were diagnosed myocardial infarction with ST-segment elevation, 2 P myocardial infarction non ST and 8 P with myocardial hypertrophy non ischemic. Of these P 30% were diabetics, 56% hypertension, 70% dyslipidemia, 36% smokers previous to CRP and body mass index 26,3 medium.
All P were submitted to previous echocardiogram, cardiopulmonary exercise testing (CET) and a rehabilitation program minimum 4 sessions and maximum 52 sessions. At the end of the total sessions the echocardiogram and CET were repeated.
Results
Of the 30 P that participated in CRP only 20 completed the program, while the other 10 P dropped out because of social and economic problems. Of the P that completed the CRP, 70% got better on EF, 80% improved VE/VCO2 slope < 33 therefore are classified VC-II in ventilatory classification (VC), 5% VE/VCO2 slope > 40 VC-III classification, and 15% maintained the initial classification. 50% of the P increased at least one level metabolic equivalent of task (MET) from the first CET. Only 3 of the 20 patients came, once, to the hospital after the CRP with heart failure, and one died but did not fulfill the program.
Conclusion
Patients with mid-range heart failure submitted to a CRP can improve cardiorespiratory predictors, leading to a better quality of life. However, it is important to find solutions to minimize the causes that make patients to give up CRP.
Cardiopulmonary exercise testing combined with echocardiography and response after a cardiac rehabilitation program in chronic heart failure patients
