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Delirium in Older Hospital Patients: Signs and the Companion's Preventive Role
Sudden confusion and agitation in an older patient in hospital may be delirium. Symptoms, risk factors and how families and companions help prevent it.
An older patient who becomes suddenly confused within days of admission, restless at night, unable to recognise relatives or seeing things that are not there is frightening. This is often delirium, an acute, fluctuating brain dysfunction. It must be taken seriously, but much of it is preventable and it usually resolves when the cause is treated.
| Feature | Delirium | Dementia |
|---|---|---|
| Onset | Hours to days, sudden | Months to years, gradual |
| Course | Fluctuates during the day | Slowly progressive |
| Attention | Markedly impaired | Relatively preserved early |
| Alertness | Drowsy or hyper-alert | Usually normal |
| Reversibility | Usually improves with treatment | Usually permanent |
People with dementia are more prone to delirium, so a sudden worsening should raise suspicion.
Signs
Sudden inattention, confusion about time and place, fluctuating alertness, agitation or pulling at lines, or the opposite: drowsiness and withdrawal (hypoactive delirium, easily missed), hallucinations, fear, suspicion, and reversed sleep–wake cycle.
Risk factors
Older age, dementia, vision or hearing loss, surgery (especially hip fracture and heart surgery), infection, dehydration, electrolyte problems, pain, constipation, urinary retention, many medicines, sleeping pills and some painkillers, the ICU, sleep deprivation and physical restraint.
How companions and families help
- Support orientation: gently remind the date, time and place; keep a visible clock and calendar.
- Make sure glasses and hearing aids are used.
- Bring familiar items such as photos or a favourite blanket.
- Support day awake, night asleep: open curtains and talk by day; reduce light and noise at night.
- Encourage fluids and food as allowed.
- Encourage early mobility with the team's approval.
- Keep a familiar face present.
- Report changes immediately, as something new, not "just old age".
Delirium should be treated as a medical emergency; the team needs to look for infection, medicine effects or metabolic causes.
With an agitated patient, speak calmly in short sentences, reassure rather than argue, simplify the surroundings and ask the team for help to protect lines; restraint should be a last resort.
Recovery may take weeks after discharge; familiar surroundings, routine and home care support help.
We provide experienced companions for older patients in hospitals across Yalova, applying orientation, sleep and mobility measures, with companions available in Bursa, Istanbul and Kocaeli–Gebze.
