Τίτλος:
Acute cardiorespiratory responses to different exercise modalities in chronic heart failure patients—a pilot study
Γλώσσες Τεκμηρίου:
Αγγλικά
Περίληψη:
The purpose of this study was to compare the acute cardiorespiratory responses and time spent above different %VO2peak intensities between three “iso-work” protocols: (a) a high intensity interval training protocol (HIIT), (b) a higher intensity continuous protocol (CON70) and (c) a lower intensity continuous protocol (CON50) in patients with chronic heart failure (CHF). Ten male CHF patients (aged 55.1 ± 16.2 years) performed in separate days a single session of a HIIT protocol consisted of 4 sets × 4 min cycling at 80% VO2peak with 3 min of recovery at 50% VO2peak, a CON70 protocol corresponding to 70% VO2peak and a CON50 protocol corresponding to 50% VO2peak. Cardiopulmonary data were collected by an online gas analysis system. The HIIT and CON70 elicited higher cardiorespiratory responses compared to CON50 with no differences between them (p > 0.05). In HIIT and CON70, patients exercised longer at >80% and >90% VO2peak. The completion rate was 100% for the three protocols. Not any adverse events were observed in either protocol. Both HIIT and CON70 elicited a stronger physiological stimulus and required shorter time than CON50. Both HIIT and CON70 also induced comparable hemodynamic responses and ventilatory demand. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.
Συγγραφείς:
Karatzanos, E.
Ferentinos, P.
Mitsiou, G.
Dimopoulos, S.
Ntalianis, A.
Nanas, S.
Περιοδικό:
Journal of Cardiovascular Development and Disease
Λέξεις-κλειδιά:
amiodarone; beta adrenergic receptor blocking agent; dipeptidyl carboxypeptidase inhibitor; loop diuretic agent; nitric acid derivative; spironolactone, adult; aerobic exercise; Article; body height; body mass; body weight; cardiorespiratory fitness; clinical article; comparative effectiveness; congestive cardiomyopathy; continuous training; controlled study; cycling; exercise intensity; heart failure; heart rate; hemodynamics; high intensity interval training; human; intermethod comparison; ischemic heart disease; kinesiotherapy; low intensity exercise; lung gas exchange; lung minute volume; male; middle aged; New York Heart Association class; patient compliance; peak oxygen uptake; pilot study; pulse rate; recovery time constant; stimulus response; treatment duration; treatment response; valvular heart disease
