Formulation and application of the "hospital-to-home + online-to-offline" treatment scheme in caring for and supporting vulnerable patients with chronic heart failure.

Background: Chronic heart failure (CHF) is the terminal stage of cardiovascular disease.

Objective: In this study, the "hospital-to-home + online-to-offline" (H2H + O2O) care scheme was implemented for patients with CHF during vulnerable periods, and its effect was evaluated.

Methods: Patients with CHF in the cardiovascular department of a Class III/Grade A hospital in Jiangxi Province from January to December 2020 were selected using a convenience sampling method and randomly divided into a control and intervention group (n= 100 each).