Inclusion criteria for identified literature
| Categories | Inclusion criteria |
| Document types | All documents focused on palliative care for advanced heart failure patients. |
| Study design | All study designs. Non-empirical data (eg, from opinion/commentary pieces) which help direct/shape theory development. |
| Types of settings | All documents about inpatient or outpatient or home-based care settings. |
| Types of participant | All adult patients (18 years and over). The majority of research has involved patients with advanced heart failure (defined as NYHA class III and IV). |
| Types of intervention | Any combination of palliative care strategies for the management of patients with advanced heart failure. |
| Outcome measures | All integrated palliative care and heart failure related outcome measures. |
NYHA, New York Heart Association.