Infl uence of cardiac rehabilitation on natriuretic peptides

Objective Cardiac rehabilitation programmes result in reduced morbidity and mortality and improvement of functional class. Behaviour of natriuretic peptides coupled to these programmes is not well established. Our study's objective is to evaluate the behaviour of natriuretic peptides in a sampl...

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Published in:Acta Cardiologica 2011-10, Vol.66 (5), p.641-643
Main Authors: Montiel-Trujillo, Ángel, Isasti-Aizpurua, Guillermo, Carrasco-Chinchilla, Fernando, Jiménez-Navarro, Manuel F., Gómez-González, Adela, Bravo Navas, José C., Jimeno, Cristina, De Teresa-Galván1, Eduardo
Format: Article
Language:English
Subjects:
exercise
myocardial ischaemia
Natriuretic peptides
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Summary:Objective Cardiac rehabilitation programmes result in reduced morbidity and mortality and improvement of functional class. Behaviour of natriuretic peptides coupled to these programmes is not well established. Our study's objective is to evaluate the behaviour of natriuretic peptides in a sample of patients undergoing a cardiac rehabilitation programme. Methods and results Moderate to high-risk patients undergoing a cardiac rehabilitation programme were included. Demographic and clinical characteristics were recorded. We performed four N-terminal pro-brain natriuretic peptide (NT-proBNP) plasma determinations: on the fi rst and last programme day, before and after training. To evaluate functional capacity, a stress test before and after the exercise programme was performed. Eighty-three patients were included. Exercise produces increased levels of NT-proBNP, although in the last exercise session the increase was lower (35.91 vs 31.49 ng/ml (P= 0.71)). Patients with left ventricular dysfunction present higher NT-proBNP levels. After the rehabilitation programme we observed a signifi cant improvement of functional capacity by 1.5 METS on average (P= 0.001), but not in the subgroup with lower NT-proBNP levels. Conclusions Basal levels of peptides did not change signifi cantly after the programme but rose with the workout, especially in patients with left ventricular dysfunction. Patients with higher baseline levels obtained greater functional recovery. We conclude that NT-proBNP measurement may be useful in selecting patients to perform a cardiac rehabilitation programme.
ISSN:0001-5385
0373-7934
DOI:10.1080/AC.66.5.2131091