Introduction
Heart failure (HF) costs the National Health Service (NHS) £625 million per year and accounts for 5% of all emergency medical hospital admissions in the UK.1,2 Interventions with the potential to reduce admissions and lessen this economic burden are always of clinical interest; however, any such potential for cost-avoidance must always be balanced against the financial cost of the intervention.
While there is evidence to suggest that exercise training may reduce emergency admissions in HF,3,4 this research invariably focuses on training that includes a hospital-based component. Though exercising at home may offer a more practic