Table 1 Inclusion criteria

Population: heart transplant patients > 18 years old

Intervention: generic and disease specific instruments developed, validated and tested for measuring patient-reported outcomes

Primary outcomes:

Survival rates at 1 month, 6 months, 1 year

Readmissions at 1 month, 6 months, 1 year

Secondary outcomes:

Proportion of heart transplant complications: infections, graft vascular disease, organ rejection, etc

Proportion of onset of new comorbidities

Studies: Randomized clinical trials, observational studies such as case series and case reports involving >  = 10 patients, case–control studies, and cohort studies