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Objectives uncertainty pervades the complex illness trajectories experienced by older adults with multimorbidity. Uncertainty is experienced by older people, their informal carers and professionals providing care, yet is incompletely understood. We aimed to identify and synthesise systematically the experience of uncertainty in advanced multimorbidity from patient, carer and professional perspectives. Design systematic literature review of published and grey qualitative literature from 9 databases (Prospero CRD 42021227480). Participants older people with advanced multimorbidity, and informal carers/professionals providing care to this group. Exclusion criteria: early multimorbidity, insufficient focus on uncertainty. Analysis weight-of-evidence assessment was used to appraise included articles. We undertook thematic synthesis of multi-perspective experiences and response to uncertainty. Results from 4,738 unique search results, we included 44 articles relating to 40 studies. 22 focused on patient experiences of uncertainty (n  = 460), 15 on carer experiences (n  = 197), and 19 on health professional experiences (n  = 490), with 10 exploring multiple perspectives. We identified a shared experience of 'Total Uncertainty' across five domains: 'appraising and managing multiple illnesses'; 'fragmented care and communication'; 'feeling overwhelmed'; 'uncertainty of others' and 'continual change'. Participants responded to uncertainty by either active (addressing, avoiding) or passive (accepting) means. Conclusions the novel concept of 'Total Uncertainty' represents a step change in our understanding of illness experience in advanced multimorbidity. Patients, carers and health professionals experienced uncertainty in similar domains, suggesting a shared understanding is feasible. The domains of total uncertainty form a useful organising framework for health professionals caring for older adults with multimorbidity. [ABSTRACT FROM AUTHOR]

The article presents a review on the extent to which there is evidence of occurrence of discussions about end of life care between patients and their clinicians for heart failure patients in practice. It is suggested by papers publishing empirical data and other literature that these conversations rarely occur attributed to factors including clinicians being uncomfortable or lacking in confidence, and uncertainty as to whether patients want such discussions.