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85 Cards in this Set

  • Front
  • Back
What are the manifestations of alzheimer's disease?
loss of cognitive function, memory deterioration, impairment in activities of daily living, neuropsychiatric symptoms, behavior issues
Define dementia
Any 2:
-difficulties learning/retaining new information
-impairment in completing complex tasks and reasoning abilities
-impairment in visuspatial function and geographic orientation
-language difficulties
What does impairment in episodic declarative memory mean?
difficulties in learning/retaining new information
What does impairment in executive cognitive functions mean?
impairment in completing complex tasks and reasoning abilities
What is the pathophysiology in AD?
senile plaques (beta amyloid and amyloid precursor protein) and neurotibrillary tangles (tau)
What is the cholinergic hypothesis of AD?
cognitive deterioration due to loss of cns acetylcholine
What are the epidemiologic risk factors for AD?
age, female sex, head trauma, midlife hypertension, stroke, small head circumference
What are the genetic risk factors for AD?
ApoE-e4 genotype, SORL1 genotype, family hx of dementia
What are the physiologic risk factors for AD?
hypothyroidism, high cholesterol, diabetes, low diastolic BP, increased homocysteine levels
Secondary causes of dementia?
CNS drugs, systemic metabolic disorders, endocrine disorders, neoplasms, subdural hematomas, normal pressure hydrocephalus, meningitis
What are the causes of primary dementias?
alzheimers, vascular dementia, dementia with lewy bodies, frontotemporal lobar degenerations, Creutzfeldt Jakob disease
What are the s/sx of Creutzfeldt Jakob disease?
rapid onset, neurological signs, abnormal CSF or MR
What are the s/sx of frontotemporal lobar degeneration?
aphasia or disorder of behavior, comportment or executive function
What are the s/sx of dementia with lewy bodies?
extrapyramadial signs, hallucinations, sleep disorders
What are the s/sx of vascular dementia?
cognitive impairment related to stroke or infarcts on imaging
Core diagnostic features that are included in episodic memory impairment of AD pts early on?
-memory loss over more than 6 months
-significantly impaired episodic memory on objective testing
Supportive diag features in AD?
-medial temporal lobe atrophy
-CSF biomarker
-PET imaging
-AD genotyping (autosomal dominant) in immediate family member
Drugs that can impair cognitive function in AD pts?
BAAMC - barbiturates, anticholinergics, antispasmodics, muscle relaxants, cns stimulants
antidepressant anticholinergic to avoid in AD pts?
amitriptylline
antiarrhytmic anticholinergic to avoid in AD pts?
quinidine, disopyramide
antiemetic anticholinergic to avoid in AD pts?
diphenhydrinate, meclizine, promethazine
typical and atypical antipsychotics anticholinergic to avoid in AD pts?
chlopromazine, clozapine, olazapine, quetiapine
bronchodilators anticholinergic to avoid in AD pts?
ipratropium
gi antispasmotics anticholinergic to avoid in AD pts?
hyoscyamine
mydiatics/cycloplegics anticholinergic to avoid in AD pts?
atropine, cyclopentolate
overactive bladder rx anticholinergic to avoid in AD pts?
oxybutynin
parkinson's rx anticholinergic to avoid in AD pts?
bentropine
skeletal muscle relaxant anticholinergic to avoid in AD pts?
cyclobenzaprine
Tx goal in AD?
-temporarily improve, stabilize or slow the decline of cognitive functional, and behavioral symptoms
-reduce caregiver burden and delay nursing home placement
MOA of donepezil (aricept)?
selective ach inhibitor
moa of galantamine?
selective ach'ase inhibitor and nicotinic receptor modulator
trade name for galantamine?
Razadyne
moa of rivastigmine?
dual ach'ase and butyrylcholinesterase inhibitor
trade name of rivastigmine?
exelon
Clinical benefits of cholinesterase inhibitors?
improved or delayed decline in cognition, preserved functional ability, improved disturbed behaviors, reduce caregiver burden, delayed nursing home placement
SEs of donepezil?
N/V, diarrhea, anorexia, insomnia, muscle cramps, fatigue, syncope
SEs of rivastigmine?
N/V, anorexia, weight loss, dyspepsia, asthenia, dizziness, fatigue, diarrhea
SEs of galantamine?
N/V, anorexia, weight loss, syncope, fatigue, dizziness, dyspepsia, diarrhea
MOA of memantine?
non-competitive n-methyl-D-aspartate (NMDA) antagonist
What is the trade name for memantine?
namenda
Clinical benefits of memantine?
memantine added to donepezil in moderate to severe AD resulted in significantly better outcomes than donepezil plus placebo over 6 months
adverse effects of memantine?
confusion, somnolence, falls, HA
initial dose for donepezil?
5mg/day
target dose for donepezil?
10mg/day
initial dose for galantamine?
8mg/day
target dose for galantamine?
16-24mg/day
initial dose for rivastigmine?
3mg/day
target dose for rivastigmine?
6-12mg/day
initial dose for memantine?
5mg/day
target dose for memantine?
20mg/day
CYP metabolism for donepezil
2d6 & 3a4
CYP metabolism for galantamine?
2d6 & 3a4
CYP metabolism for rivastigmine?
no
CYP metabolism for memantine?
no
doses per day for donepezil?
one
doses per day for galantamine?
two (imm), one (ER)
doses per day for rivastigmine?
two
doses per day for memantine?
two (1st wk is one/d)
time to change dose for donepezil?
q 4-6wks
time to change dose for galantamine?
q4 wks to target dose or SEs
time to change dose for rivastigmine?
q 2 wks to target or SEs
time to change dose for memantine?
q wk to target or SEs
Therapy for use in vascular dementia?
possibly cholinesterase inhibitors or memantine. Importance is to get early tx of HTN and vascular disease
Therapy for use in dementia with lewy bodies?
cholinesterase inhibitors in mild-to-moderate disease
Therapy for use in dementia of parkinson's disease?
cholinesterase inhibiotrs (only to use rivastigmine) in mild-to-moderate
Is intended to improve our ability to rapidly deploy light, lean and lethal elements of air and space forces anywhere on the globe, while providing predictibility and stability for all airmen, To meet this challenge, the Air Force assigned people and equipment from active duty, Air National Guard and Air Force Reserve units into 10 Air and Space expeditionary forces, two crisis-response air and space expeditionary wings and five lead mobility wings.
EAF
Treatment failure washout period length?
no washout period
AEs to donepezil washout period?
1-2 wks
AEs to rivastigmine or galantamine washout period?
1 day
MOA of secretase modulators?
decrease beta amyloid production
name of secretase modulator discussed?
bryostatin-1
name of vaccine for beta amyloid?
vaccine AN1792
name of beta amyloid fibrilization inhibitors?
NC-531 (alzhemed), PBT-1 (Clioquinol), PBT-2
name of anti-tau medications?
CDK5, GSK-3B
Purpose of mini-mental exam?
measures cognition
what does the mini-mental assess?
orientation, registration, recall, language, and attention (for medical personel to use)
On average, how much does the mini-mental score decrease per year in pts with AD?
2-4 pts
what is the purpose of the function activities questionnaire?
intended to quantify level of disability (for caregivers to use)
what is the purpose of the neuropsychiatric inventory?
measures disturbed behaviors
what does neuropsychiatric inventory assess?
frequency and severity of 12 symptoms (agitation, irritability, depression, hallucinations, etc)
MMSE score of 30?
no dementia
MMSE score of 26-29?
questionable dementia
MMSE score of 21-25?
mild dementia
MMSE score of 11-20?
moderate dementia?
MMSE of 0-10?
severe dementia