Background
Heart failure
HEART FAILURE
Heart failure with reduced ejection fraction (HFrEF) is a debilitating condition affecting millions worldwide [Walking can be an especially suitable form of physical activity for patients with HFrEF: it is a low-impact, weight-bearing exercise that can improve patients’ functional capacity and reduce their symptoms [Despite this potential, delivering evidence-based walking interventions for HFrEF patients in clinical settings is not common practice [We have designed the WATCHFUL randomized controlled trial with the aim to determine whether a 6-month pedometer-based walking intervention combining face-to-face sessions and regular telephone contact improves functional capacity assessed by the 6-min walk test (6MWT) in patients with HFrEF compared to usual care [