Management of Agitation in Dementia - Oregon Health & · PDF file ·...
Transcript of Management of Agitation in Dementia - Oregon Health & · PDF file ·...
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Management of Agitation in Dementia
Christina Trevino MD
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Disclosures
Nothing to disclose
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Objectives
Review common presentations of behavioral disturbance in dementia
Evaluation of the agitated patient with dementia
Review efficacy for pharmacologic interventions (No FDA approved agents)
Briefly discuss nonpharmacologic interventions
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Terminology
Neuropsychiatric symptoms (NPS)
Behavioral Disturbance
Behavioral and Psychological Symptoms of Dementia (BPSD)
Discussion relates to Alzheimer’s Dementia
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Neuropsychiatric symptoms (NPS)
Most pressing treatment issue for patients/families presenting for care
Distressing for patients
Primary factor in caregiver burden
Catalyst for longterm placement
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Neuropsychiatric symptoms
Affect nearly all patients
Very difficult to treat
lack of insight
communication and cognitive barriers
sensitivity to adverse effects of psychotropic medication
symptoms are fluctuating
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Symptom clusters of NPS
Mood symptoms- apathy, depression, irritability, anxiety
Psychosis- delusions, hallucinations
Agitation-aggression, motor restlessness, verbal, resistiveness to care
Disinhibition
Sleep disturbance
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Evaluation
Define and describe target behaviors (e.g. reactive v. spontaneous)
Evaluate for environmental/unmet physical needs/psychological triggers
Rule out medical causes
Track symptoms with rating scale
NPI-Q Behavioral assessment scale
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Medical causes
Medication side effects
Metabolic/electrolyte disturbances
Dehydration
Infections
Poorly controlled chronic conditions: COPD, hypertension, diabetes mellitus, BPH
Pain
Constipation
Occult head trauma
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Causes, cont
Unmet physical needs-hunger, sleep disturbance
Sensory deficits
Psychological-
Anxiety, fear, depression
Boredom
Impaired speech/Frustration
Lack of autonomy/privacy
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Environmental contributors
Chaotic living environment/high stimulation
Untrained or impaired caregiver
Change in environment
Complex tasks beyond abilities
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Pharmacological interventions
Psychotropics should be given only when non pharmacological interventions have failed, with 3 exceptions :
Major depression with or without suicidal ideation
Psychosis causing harm or with great potential of harm
Aggression causing risk of harm to self or others
Kales et al, J Am Geriatr Soc, 2014 Apr;62(4):762-769
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Medication Interventions
For mild to moderate symptoms of agitation, or mood related symptoms:
SSRI- citalopram/lexapro; sertraline
For aggression, risk of harm, or distressing psychotic symptoms in Alzheimer’s Dementia
Atypical antipsychotic
Risperidone- 0.25 mg qhs, max 2 mg qhs
Olanzapine- 2.5 mg qhs, max 7.5 mg qhs
Abilify- 2 mg qd, max 10 mg qd
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Dementia Medications
Meta-analyses of cholinesterase inhibitors and memantine suggested benefit for agitation in dementia
secondary analysis
lower NPI scores on entry
RCTs of memantine v. placebo, and donepezil v. placebo did not show benefit
1 McShane R, Cochrane Database Syst Rev, 2006 2 Trinh N, JAMA, 2003 3 Fox C, PLoS One, 2012 4 Howard R, N Engl J Med, 2007
1,2
3 4
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Mood Stabilizers
Valproic Acid/Depakote- studies have not shown benefit
Carbamazepine- two small studies of 6 week duration showed benefit
drug interactions and adverse effects complicate use
Open label/case reports support Gabapentin, No RCTs
1,2
1 Tariot PN, Am J Psychiatry, 1998 2 Olin JT, Am J Geriatr Psychiatry 2001
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Adverse effects of Antipsychotics
Movement side effects: akathisia, TD, parkinsonism
Metabolic- hyperglycemia, hyperlipidemia, weight gain
CNS effects- sedation, cognitive decline, delirium
Orthostasis- fall risk
Geri symptoms: gait changes, edema, UTIs
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FDA Black box warnings, 2005
Increased risk of cerebrovascular events in atypicals
1.6-1.7 fold higher rate mortality for people with AD treated with atypicals compared to placebo
Important to consent patient and family to these risks, and document target symptoms
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Lewy Body Dementia/Parkinson’s
Lewy Body Dementia- cognitive impairment, visual hallucinations, parkinsonism
cholinesterase inhibitors first line
neuroleptic sensitivity- quetiapine, clozapine
Parkinson’s Disease Psychosis
lower dopamine agonists/Sinemet
cholinesterase inhibitor (rivastigmine)
quetiapine for psychosis
Pimavanserin-currently in Phase III
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Summary
Define target behaviors, document what has been tried, track symptoms
Rule out reversible causes
Environmental/Behavioral interventions
Simplify medications when possible
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Behavioral Interventions
Advance care planning
Education of family re: progressive nature of illness, strong likelihood of behavioral symptoms at some point
Caregiver support and education
predictable routine, low stimulation, structure
Continue to revisit goals of care
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Resources
For providers:
Alzheimer’s Association- alz.org
IA-ADAPT-University of Iowa GEC
NPI-Q:http://www.medafile.com/cln/NPI-Qa.htm
For caregivers
alz.org
‘36 hour day’- Peter Rabins MD
Savvy caregiver-DVD course