Case 26 of 40
Improvement can occur after delirium has lasted for weeks
Example case for staff education
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Read the case transcript
Page 1
Panel 1: Day 1
Infection and dehydration accompany a sudden loss of attention.
Neil: She was making her own meals last week.
Panel 2: Day 3
Treatment improves her circulation, but confusion persists.
Ward doctor Amira: We will keep checking what may be contributing.
Panel 3: Day 5
Constipation and pain add to her discomfort.
Nurse Tom: Let us assess this before asking you to move again.
Panel 4: Day 8
Sleep improves without an immediate return of cognition.
Agnes: I cannot work out where I am.
Panel 5: Week 2
She needs repeated cues for familiar movements.
Physiotherapist Lin: We will do this together.
Panel 6: Week 3
Repeat assessment finds no new acute illness.
Neil: Her usual conversation has still not come back.
Panel 7: Week 4
She remains dependent despite stable physical health.
Nurse Tom: She needs someone to begin each task with her.
Panel 8: Week 6
A permanent decline is considered, but not established.
Ward doctor Amira: We should not decide the trajectory from today’s assessment alone.
Panel 9: Week 6
Care is arranged while recovery remains uncertain.
Neil: We will keep reviewing how you manage.
Page 2
Panel 10: Week 8
Longer periods of sustained conversation appear.
Neil: You followed that much more easily today.
Panel 11: Week 9
She completes part of dressing without a prompt.
Occupational therapist Ruth: Let us see whether that holds over the next few days.
Panel 12: Week 10
Initiation improves as well as conversation.
Nurse Tom: She started the meal herself this morning.
Panel 13: Month 3
Repeated assessments confirm meaningful cognitive improvement.
Ward doctor Amira: We can reconsider the level of help she needs.
Panel 14: Month 3
Everyday tasks test progress beyond a short conversation.
Agnes: I remember the next step now.
Panel 15: Month 4
A supported visit identifies remaining difficulties.
Physiotherapist Lin: The kettle is manageable. The medicines still need supervision.
Panel 16: Month 4
The proposed return includes help and reassessment.
Agnes: I would like to try living here again.
Panel 17: Month 5
She returns with additional daily support.
Support worker Alex: I will stay until you are settled.
Panel 18: Month 5
Late improvement changes the care plan.
Neil: We needed to leave room to reconsider.
Sources
- [P41] Cole MG. Persistent delirium in older hospital patients. Current Opinion in Psychiatry. 2010;23:250–254.
- [T02] MacLullich AMJ. Persistent delirium. CHG Singapore teaching presentation, 2025. Teaching slides.
- [S39] Spitz, J.J. (2016) ‘I watched, terrified, as hospital delirium stole my sharp-as-a-tack mom from me’, Arizona Daily Star / This Is Tucson, 16 October (updated 1 November).
- [G01] National Institute for Health and Care Excellence. Delirium: prevention, diagnosis and management in hospital and long-term care. CG103.


Commentary
Agnes has prolonged confusion after infection, dehydration, constipation, pain and disrupted sleep. Each problem is assessed and treated, but her thinking does not improve at the same rate as her blood results. At six weeks, staff are considering whether her reduced abilities will be permanent. That conclusion needs evidence from her course and repeated assessments.
Delirium can persist after hospital discharge [P41]. Finding no new cause does not by itself establish that the impairment is irreversible. Possible later improvement also does not remove the need for adequate care now. Agnes moves to supported accommodation and continues to be reassessed. Staff neither send her home without enough help nor promise recovery.
Her later improvement is gradual. She follows conversation, completes part of dressing, starts a meal and repeats these activities on different days. The case does not attribute improvement to a change of setting alone. The cited teaching presentation and family account describe later recovery in other circumstances [T02, S39]. This teaching example illustrates that possibility without copying either person’s history or presenting a transfer as a cure.
At five months, Agnes returns to sheltered housing with additional help. This improvement in daily life does not establish that every aspect of her thinking is normal. Record changes in everyday abilities without relying on repeated long tests. Increase activity safely and reconsider care arrangements as her abilities change.