Old Age Psychiatry Flashcards
What are the outcomes of older adults (over 70) with co-morbid mental health problems after an acute hospital admission?
27% do not return to own home
After 180 days 31% died and 42% readmitted
What is the ABCD of dementia?
A - activities of daily living
B - behavioural and psychiatric symptoms of dementia
C - cognitive impairment
D - decline
Describe dementia
6 month duration and usually progressive
Diagnosis based on history
Cognitive testing with emphasis on relevant lobes
What are the cognitive features of dementia?
Memory - dysmnesia
Plus one or more of dysphasia, dyspraxia, dysgnosia (not recognising objects) and dysexecutive functioning
Describe fitness to drive and dementia
Notify DVLA at diagnosis
If early diagnosis then license may be yearly
What imaging is used in dementia?
CT, CT/ SPECT, DAT scan and MRI
How is AD diagnosed in primary care?
Symptoms suggesting cognitive impairment - clinical history, MMSE, physical and bloods - exclude delirium and depression - confirm with specialist referral
What is the aetiology of dementia?
Frontotemporal
Alcohol and ARBD
Subcortical - Parkinson’s, Huntington’s and HIV
Prion protein - CJD
What are the reversible causes of dementia?
Delirium, normal pressure hydrocephalus, subdural haemorrhage, tumours, vitamin B12 deficiency, hypothyroidism, hypercalcaemia, alcohol misuse and drugs
Describe the course of dementia
In the early stages - generally will be symptom free
As the illness progresses cognitive impairment becomes noticeable
Leads to functional decline and behavioural symptoms
Progressive condition
Describe Alzheimer’s disease
Early impairment of memory and executive function
Gradual progression with often unclear onset
Amyloid plaques and tau tangles
Atrophy following neuron death and reduction in ACh
Describe vascular dementia
Unequal distribution of deficits
Focal impairments and evidence of cerebrovascular disease
Step wise decline with sudden changes
Small vessel disease can give gradual decline
What are the key features of lewy body dementia?
Visual hallucination, fluctuations and Parkinsonism
What are the supportive features of lewy body dementia?
Sensitivity to antipsychotics, reduced uptake on SPECT or PET scan, increased falls and REM sleep disorder
What questionnaire is used in lewy body dementia?
DIAMOND