Importance of recognising disease trajectories and anticipating when patients are nearing end-of-life phase

Why recognition matters

Recognising that a patient has entered the end-of-life phase of their illness trajectory is a distinct clinical skill that directly shapes the appropriate intensity and focus of care - and disease trajectories differ meaningfully by underlying condition, affecting how predictable this recognition is
Cancer typically shows a relatively predictable decline in the final weeks-months, while organ failure (heart failure, COPD, CKD) follows a more fluctuating trajectory with acute exacerbations and partial recoveries, and frailty/dementia shows a more gradual, prolonged decline - each pattern makes end-of-life recognition differently challenging

Cancer trajectory: relatively stable function maintained until a fairly rapid, predictable decline in the final weeks
Organ failure trajectory (heart failure, COPD, CKD): a series of acute exacerbations with partial recovery between them, each exacerbation carrying a real risk of death - making it genuinely difficult to identify which exacerbation is "the terminal one" until it has happened
Frailty/dementia trajectory: slow, gradual functional decline over a much longer period, with death often precipitated by an intercurrent acute event (e.g. pneumonia) rather than a clearly identifiable terminal decline phase

Clinical markers suggesting entry into the end-of-life phase: progressive functional decline despite optimised treatment, recurrent hospital admissions with diminishing recovery between them, weight loss/reduced appetite, and (a useful heuristic) the "surprise question" - would the clinician be surprised if this patient died within the next 6-12 months?

Recognition should trigger a shift toward proactive advance care planning, symptom-focused management, and earlier palliative care involvement - before a crisis forces the issue, particularly important given how much harder these conversations are in an acute, unplanned deterioration
Understanding the specific trajectory type for the patient's underlying condition helps calibrate expectations and the timing of these conversations appropriately

The "surprise question," palliative care referral triggers, goals-of-care conversations, advance care planning timing

Because organ failure and frailty/dementia trajectories are far less predictable than the classic cancer trajectory, clinicians caring for these patients must actively look for trajectory-recognition triggers rather than waiting for an obviously "terminal" presentation that may never occur before death

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