Κατεύθυνση Καρδιοπνευμονική Αποκατάσταση και Αποκατάσταση Πασχόντων ΜΕΘLibrary of the School of Health Sciences
Κωνσταντίνος Δάβος, Ερευνητής Β', Ακαδημία Αθηνών
Νικόλαος Κουλούρης, Καθηγητής, Ιατρική Σχολή, ΕΚΠΑ
Σπυρίδων Ζακυνθινός, Καθηγητής, Ιατρική Σχολή, ΕΚΠΑ
Σύγκριση διαλειμματικής και συνεχόμενης άσκησης στην καρδιακή ανεπάρκεια
Cardiac rehabilitation with interval vs continuous exercise training for heart failure patients
Background: Heart failure is a complex clinical syndrome that results from any structural or functional impairment of ventricular filling or ejection of blood. Patients with chronic heart failure in which this review focuses on, present severe abnormalities in the cardiovascular, respiratory and musculoskeletal system. Cardiac rehabilitation aims to reduce these alterations and improve quality of life. Two main modalities have been described in cardiac rehabilitation, high-intensity interval training, and moderate-intensity continuous exercise training.The current review aims at comparing interval/intermittent and continuous training in heart failure patients in order to present the most beneficial training protocol for cardiac rehabilitation.
Methods: It was conducted database search (PubMed, Google Scholar, and Cochrane Controlled Register of Trials) for exercise-based trials and meta-analyses in stable patients with chronic heart failure with reduced or preserved ejection fraction with the terms: cardiac rehabilitation, chronic heart failure, high-intensity interval training, and continuous exercise training. Studies evaluated in PEDro in order to be characterized by validity and objectivity.
Results: Most of the trials showed that high-intensity interval exercise training increases peakVO2 to a greater extent than continuous exercise. Additionally, high-intensity interval exercise may reverse left ventricular remodeling, reduce pro-BNP levels and also improve endothelial function, quality of life and respiratory drive. On the other hand, continuous training appears to increase in a lesser extend exercise capacity, but it may improve at an identical level quality of life and all other cardiorespiratory parameters.
Conclusions: Several number of studies demonstrate that interval exercise training increases peak VO2 more than continuous exercise training. However, better- designed studies are still needed to establish the safety and efficiency of interval exercise training.
Main subject category:
Heart failure, Exercise, Interval training, Continuous training, Cardiac rehabilitation
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