Old age psychiatry – 2

Published on 23/05/2015 by admin

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Last modified 23/05/2015

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39 Old age psychiatry – 2

Alan Murtagh

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1. The prevalence of depression in old age is 13%.
2. Visual hallucinations are common in elderly depressed patients.
3. The relapse rate of depression in the elderly is significantly reduced by maintenance medication.
4. One-third of neurotic disorder of the elderly starts before age 65 years.
5. The prevalence of psychotic symptoms in those aged above 70 years is 10%.
6. Visual hallucinations are common in elderly people with paraphrenia.
7. Diogenes syndrome is associated with fronto-temporal dementia.
8. Low IQ is a risk factor for dementia.
9. Determining Apoprotein E genotype is useful for counselling relatives of the risk of Alzheimer’s disease.
10. A similarity between impaired cognition in old age and Alzheimer’s disease is an impaired visuospatial sketchpad.
11. Antipsychotic drugs can cause lethal side-effects in Lewy body dementia.
12. Spontaneous speech is fluent in semantic dementia.
13. Emotional lability indicates vascular dementia rather than Alzheimer’s disease.
14. Urinary incontinence suggests vascular dementia rather than Alzheimer’s disease.
15. Shrinkage of cells in the cerebral cortex occurs in normal ageing.
16. The latency of evoked responses is decreased in Alzheimer’s disease.
17. A normal MRI is possible in Alzheimer’s disease.
18. Neurofibrillary tangles are seen in dementia due to boxing.
19. Multi-infarct dementia may be diagnosed despite a normal CT brain scan.
20. Non-pharmacological interventions can delay institutional care in dementia.
21. Paraphrenia responds well to antipsychotic drug treatment.
22. In co-morbid epilepsy and depression in the elderly, improved control of epilepsy improves depression.
23. SSRIs have proven value in treating non-cognitive features of dementia.
24. Donepezil has a short biological half-life.
25. Memantine is useful in vascular dementia.