indication for risperidone for behavioural management in vascular dementia
if aggression ongoing for 6 weeks which has not responded to initial behavioural approaches.
Behavioural management is first line for behavioural problems in dementia
small doses of lorazepam can also be used with close supervison.
what percentage of elderly people who fall in a given year get a fracture or hospitalisation
5%
what drugs are licensed for dementia
Donepazil, memantine, galantamine are licensed for Alzheimer’s disease
Rivastigmine licensed for mild to mod parkinsons dementia
should you use antipsychotic drugs in patients with dementia
antipsychotics such as risperidone have a small increased risk of mortality and stroke or TIA.
DVLA for dementia
driving may continue in those with early and slow-to-progress dementia subject to annual review. There is no single assessment for ability to drive in cognitive impairment and early dementia; however, in-car assessments may be used to assess driving ability/safety. Those with poor short-term memory, disorientation and lack of insight are almost certainly not fit to drive.
reversible causes of congnitive impairment
hypercalcaemia, hyponatraemia, thyroid dysfunction, hypogylcaemia, B12 folate deficiency, delirium, depression, wernickes encephalopathy, drug toxicity eg lithium.
What is PRISMA7
7 item postal questionnaire to assess for frailty/disability, score of 3 or more identifies frailty.
what medical treatment can be used for refractory orthostatic hypotension
midodrine.
also desmopressin and fludrocortisone under specialist supervision.
but first line is increasing fluid and salt intake.
What tool can be used to identify frail patients based on routine information in the patients electronic record
This is the electronic frailty index.
This uses presentations of frailty syndromes and other conditions and a score categorises into fit, mildly frail, mod frail or sev frail. This is a stratification tool not a diagnostic tool.
Then assessment of frailty can be made using other tools such as the Clinical frailty scale, fait speed test, timed get up and go.
What is osteoporosis
T score of <-2.5 at femoral neck.
Severe OP if also history of fragility fracture
T score is number of standard deviations below healthy woman.
Osteopenia is -1 to -2.5
What is post operative delirium
Post operative delirium develops in the few days after surgery with fluctuating consciousness, cognition and awareness.
What is post operative cognitive decline
Cause is unclear - likely inclused reduction in blood pressure during surgery, increased stress levels in hospital, genetic susceptibility and increased inflammation in the body. Recovery can take months to years.
Manage with reassurance, consider social problem, offer formal assessment of cognition with onward referral to memory clinic if necessary.