https://pubmed.ncbi.nlm.nih.gov/?term=((heart+failure[tw]+OR+ventricular+dysfunction,+left[mh%3Anoexp]+OR+cardiomyopathy[tw]+OR+left+ventricular+ejection+fraction[tw])+AND+(advance+care+planning[mh]+OR+attitude+to+death[mh]+OR+bereavement[mh]+OR+terminal+care[mh]+OR+hospices[mh]+OR+life+support+care[mh]+OR+palliative+care[mh]+OR+terminally+ill[mh]+OR+death[mh%3Anoexp]+OR+palliat*[tw]+OR+hospice*[tw]+OR+terminal+care[tw]+OR+1049-9091[is]+OR+1472-684X[is]+OR+1357-6321[is]+OR+1536-0539[is]+OR+0825-8597[is]+OR+1557-7740[is]+OR+1552-4264[is]+OR+1478-9523[is]+OR+1477-030X[is]+OR+0749-1565[is]+OR+0742-969X[is]+OR+1544-6794[is]+OR+0941-4355[is]+OR+1873-6513[is]+OR+0145-7624[is]+OR+1091-7683[is]+OR+0030-2228[is])+AND+Medline[sb])+OR+((heart+failure[tw]+OR+left+ventricular+dysfunction[tw]+OR+cardiomyopathy[tw]+OR+left+ventricular+ejection+fraction[tw]+OR+cardiac+failure[tw]+OR+cardiac+resynchronization[tw]+OR+LV+dysfunction[tw]+OR+left+ventricular+systolic+dysfunction[tw]+OR+left+ventricular+diastolic+dysfunction[tw])+AND+(advance+care+plan*[tw]+OR+attitude+to+death[tw]+OR+bereavement[tw]+OR+terminal+care[tw]+OR+life+supportive+care[tw]+OR+terminally+ill[tw]+OR+palliat*[tw]+OR+hospice*[tw]+OR+1049-9091[is]+OR+1472-684X[is]+OR+1357-6321[is]+OR+1536-0539[is]+OR+0825-8597[is]+OR+1557-7740[is]+OR+1552-4264[is]+OR+1478-9523[is]+OR+1477-030X[is]+OR+0749-1565[is]+OR+0742-969X[is]+OR+1544-6794[is]+OR+0941-4355[is]+OR+1873-6513[is]+OR+0145-7624[is]+OR+1091-7683[is]+OR+0030-2228[is])+NOT+medline[sb])+AND+english[la]+AND+(systematic[sb]+OR+((clinical[tiab]+AND+trial[tiab])+OR+clinical+trial[pt]+OR+random*[tiab]+OR+random+allocation[mh]+OR+therapeutic+use[sh]))+AND+free+full+text[sb]