P638High intensity interval exercise training improves endothelial function in patients with heart failure with preserved ejection fraction

Background Cardiac rehabilitation has traditionally invoved low-to moderate intensity continuous exercise training (MICT). There is growing evidence that high intensity interval exercise training (HIIT) shows similar or greater efficacy compared with MICT. However, the relationship between the training modality and its effects on endothelial function still remains to be elucidated. Purpose To evaluate the impact of high intensity interval...