High-intensity interval training dosage for heart failure and coronary artery disease cardiac rehabilitation: a systematic review and meta-analyses
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Autor/esBallesta García, Ismael; Rubio Arias, J. A.; Ramos Campo, D. J.; Martínez González-Moro, Ignacio; Carrasco Poyatos, María
Disciplina/sActividad Física y Deporte
Materia/sHigh-interval intensity training
Coronary artery disease
Introduction and objectives High-interval intensity training (HIT) has been suggested to improve peak VO2 in cardiac rehabilitation programs. However, the optimal HIT protocol is unknown. The objective of this study was to identify the most effective doses of HIT to optimize peak VO2 in coronary artery disease (CAD) and heart failure (HF) patients. Methods A search was conducted in 6 databases (MEDLINE, Web of Science, LILACS, CINAHL, Academic Search Complete, and SportDiscus). Studies using a HIT protocol in CAD or HF patients and measuring peak VO2 were included. The PEDro Scale and Cochrane Collaboration tools were used. Results Analyses reported significant improvements in peak VO2 after HIT in both diseases (P = .000001), with a higher increase in HF patients (P = .03). Nevertheless, in HF patients, there were no improvements when the intensity recovery was ≤ 40% of peak VO2 (P = .19) and the frequency of training was ≤ 2 d/wk (P = .07). There were significant differences...