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Titre : | Effect of self-tailored high-intensity interval training versus moderate-intensity continuous exercise on cardiorespiratory fitness after myocardial infarction: A randomised controlled trial (2022) |
Auteurs : | Thimo Marcin ; Lukas D. Trachsel ; Michelle Dysli ; Jean-Paul Schmid ; Prisca Eser ; Matthias Wilhelm |
Type de document : | Article |
Dans : | Annals of Physical and Rehabilitation Medicine (Vol. 65, n° 1, January 2022) |
Article en page(s) : | 7 p. |
Note générale : | https://doi.org/10.1016/j.rehab.2021.101490 |
Langues: | Français |
Descripteurs : |
HE Vinci Auto-évaluation diagnostique ; Entrainement d'endurance ; Essais cliniques comme sujet ; Exercice physique ; Infarctus du myocarde ; Réadaptation cardiaque |
Mots-clés: | Echelle de Borg |
Résumé : | Background Whether high-intensity interval training (HIIT) is more efficient than moderate-intensity continuous exercise (MICE) to increase cardiorespiratory fitness in patients with acute coronary syndrome at moderate-to-high cardiovascular risk is controversial. The best approach to guide training intensity remains to be determined. Objective We aimed to assess intensities achieved with self-tailored HIIT and MICE according to perceived exertion and to compare the effect on cardiorespiratory fitness in patients early after ST-elevation myocardial infarction (STEMI). Methods We included 69 males starting cardiac rehabilitation within 4 weeks after STEMI. After a 3-week run-in phase with MICE, 35 patients were randomised to 9 weeks of HIIT (2*HIIT and 1*MICE per week) and 34 patients to MICE (3*MICE). Training workload for MICE was initially set at the patients? first ventilatory threshold (VT). HIIT consisted of 4*4-min intervals with a workload above the second VT in high intervals. Training intensity was adjusted weekly to maintain the perceived exertion (Borg score 13?14 for MICE, ?15 for HIIT). Session duration was 38min in both groups. Peak oxygen consumption (VO2) was measured by cardiopulmonary exercise testing pre- and post-intervention. Results Both groups improved peak VO2 (ml/kg/min) (HIIT +1.9, P |
Disponible en ligne : | Oui |
En ligne : | https://login.ezproxy.vinci.be/login?url=https://www.sciencedirect.com/science/article/pii/S1877065721000087 |