Article

Aerobic interval training (AIT) and aerobic continuous training (ACT)
both improve physical fitness (peak VO2) in coronary artery disease patients.
However, little is known about the long-term effects of AIT and ACT on peak VO2
and exercise adherence. DESIGN: This study is a randomized clinical multicenter
trial. METHODS: In total, 163 patients were assessed after 12 weeks of AIT or ACT
and 12 months after their enrollment. Physical fitness and physical activity
measures served as the primary outcomes, and peripheral endothelial function,
cardiovascular risk factors and quality of life (QoL) served as the secondary
outcomes. RESULTS: Twenty-six patients dropped out during the intervention; 11
were lost during the follow-up period. Dropouts (n = 37) consisted of more women
(p = 0.001) compared to completers (n = 163). Physical fitness (VO2, heart rate
and workload at peak and at thresholds) and physical activity (steps, active
energy expenditure [kcal], physical activity duration [minutes]) were preserved
at the 1-year follow-up (p-time > 0.05) after both AIT and ACT (p-interaction >
0.05). Forty percent of patients showed increased peak VO2, 52% showed increased
active energy expenditure and 91.2% met the recommended levels of 150
minutes/week of moderate physical activity (p-group > 0.05). Further, peripheral
endothelial function, QoL and cardiovascular risk factors, except systolic blood
pressure (p-time < 0.05), remained stable (p-time > 0.05) after both AIT and ACT
(p-interaction > 0.05). CONCLUSION: The short-term improvements of center-based
AIT and ACT on physical fitness, physical activity, peripheral endothelial
function, cardiovascular risk factors and QoL are sustained after a 1-year
follow-up period. The majority of patients (>90%) met the recommended physical
activity levels of 150 minutes/week.
CI - (c) The European Society of Cardiology 2016.

Langue : ANGLAIS