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Approaches to behavioral and psychological symptoms of Dementia

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Presentation on theme: "Approaches to behavioral and psychological symptoms of Dementia"— Presentation transcript:

1 Approaches to behavioral and psychological symptoms of Dementia
Marie-France Rivard, MD, FRCPC Division of Geriatric Psychiatry University of Ottawa

2 Objectives Describe the causes of common psychological and behavioral symptoms in dementia (BPSD) Introduce the purpose of the PIECES program Identify appropriate interventions Advise on the role of pharmacotherapy

3 Disclosure slide Over last 28 years, received honoraria for Continuing education activities from most pharmaceutical companies and some grants for research. Over last 7 years, no direct funding for research or Continuing Education: honoraria by organizing committees who may have, in turn, received un-restricted grants. Currently Chair, Seniors Advisory Co to MHCC, mostly volunteer work.

4 Prevalence of BPSD 90% of patients affected by dementia will experience Behavioral and Psychological Symptoms of Dementia (BPSD) that are severe enough to be labeled as a problem during the course of their illness. Agitation (75%) Wandering (60%) Depression (50%) Psychosis (30%) Screaming and violence (20%) are most common

5 Impact of BPSD 50 – 90% of caregivers considered physical aggression as the most serious problem they encountered and a factor leading to institutionalization. (Rabins et al. 1982) Front-line staff working in LTC report that physical assault contributes to significant work related stress (Wimo et al. 1997) Agitation, depression, anxiety, paranoid ideation cause significant suffering.

6 BPSD Symptom Clusters Aggression Agitation Apathy Mania Psychosis
Physical aggression Verbal Aggression Aggressive resistance to care Pacing Repetitive actions Dressing/undressing Restless/anxious Apathy Withdrawn Lacks interest Amotivation Euphoria Pressured speech Irritable Hallucinations Delusions Misidentification Suspicious Sad Tearful Hopeless Guilty Anxious Irritable/screaming Suicidal Mania Psychosis Depression Adapted from McShane R. Int Psychogeriatr 2000;12(suppl 1): 147

7 Causes of BPSD What is P.I.E.C.E.S.
Person-centered assessment and care planning approach, using the care team to develop hypotheses and test the implementation of possible solutions. An acronym that conveys the individuality and importance of the various factors that contribute to BPSD in dementia. These factors are: Physical, Intellectual, Emotional, Capabilities, Environment and Social

8 P.I.E.C.E.S. Taught in Ontario since 1998 to LTC registered staff
From expanded to include administrators of LTC, unregistered staff, acute care hospitals, CCAC case managers : PIECES program for physicians: Soon available for distribution To be tested with family health teams and utilized by Peer Presenters and Preceptors of Ontario’s Alzheimer strategy

9 Why use the P.I.E.C.E.S. approach?
Identification of target behaviors which present risk or urgency Flags possible delirium Framework for synthesis of non-pharmacologic approaches Nutrition, comfort, hydration, sleep, etc… Environment, personhood, social, stimulation Guide the pharmacologic approach

10 PIECES Template The Three Question Template 1. What has changed?
2. What are the RISKS and possible causes (using the PIECES framework)? 3. What is/are the action (s)?

11 P - Physical Drugs Disease Delirium – 30% mortality if undetected
Anticholinergics, benzos, Include OTC, alcohol Disease Atypical presentations, hypoxia, pain, infections Delirium – 30% mortality if undetected Hypoactive and hyperactive Basics Hydration, bowels, bladder, fatigue, sleep

12 Delirium I – infectious W - withdrawal
A – acute metabolic, dehydration, renal, bowels T –toxins, drugs C – CNS pathology H – hypoxia, D - deficiencies E - endocrine A – acute vascular T - trauma H – heavy metals

13 Delirium work up and intervention
History and physical Bowel/bladder/pain/mobility Caregivers re what has changed Review medications including prns Investigations to identify and correct underlying causes: Vitals, O2 sat, glucose, chest X-ray CBC, Na, K, Creatinine, Albumin, Drug levels, Ca, Mg, TSH, B12, Folate, Urine, etc…. CT head if warranted

14 Intellectual/cognitive changes
Memory loss, Amnesia: Annoying repetitive questioning. Accusing others of not telling them about upcoming events. Being “uncooperative” with previous requests. Agnosia Accusing family member of being an imposter when cannot quite recognize face… Failing to recognize one’s image in the mirror. Utilizing objects inappropriately.

15 Intellectual/cognitive changes
Apraxia Dressing inappropriately—upset with assistance provided/required Needing assistance to eat Aphasia Frustration/anxiety Inappropriate requests/comments Reacting concretely to abstract concept

16 Intellectual/cognitive changes
Anosognosia Not recognizing that one is no longer knows about or how to do some things, being unaware of deficits and need for help Impaired executive functions: poor planning/initiation unable to appreciate consequences of things said or done before saying/doing them, impulsive behavior Return to a place back in time

17 Intellectual/cognitive changes
Perceptual difficulties (distances, depth, time elapsed, gaps) Resisting a bath or toileting, running over others. Apathy and “perseveration” May be confused with depression or “ill-will”. Return of primitive reflexes, perseverative behaviors Grabbing caregiver’s clothing or body part and being unable to let go.

18 E - Emotions Delusions/Hallucinations/agitation
Dopamine and cholinergic mediated Depression/irritability/anxiety Serotonergic, adrenergic, cholinergic mediated. Adjustment Disorder Reactivation of past psychiatric illness with stress of dementia, placement Emotional Memory, past trauma, losses

19 C - Capabilities Balance of Physical Demands and Capabilities
Capacities too low to do a task? Resistive behaviours, Frustration Catastrophic reactions Withdrawal Able to do more but assumed incapable Boredom, “attention-seeking” behaviors Be sensitive to changes in function Acute change – rule out reversible component Gradual change – Adapt care to progression of dementia

20 E - Environment Environmental structure Ambience Familiarity
design, lighting (glare), physical space, temperature Ambience Sounds, smells, colour, noise Familiarity Noise – excessive, distressing, confusing, unfamiliar Over/under stimulation Changing environment Relocation, routines, caregivers

21 S - Social Life story, life accomplishments Social network
‘All about me’, personhood Social network Relationships of family Lifelong coping strategies Interactions with caregivers who may not know you as a person Interaction with other residents, roommates, others with dementia…

22 P.I.E.C.E.S. tools Daily Observation Sheet (DOS), A-B-C charting
Shows frequency, severity, patterns of behaviours, can be individualized Cohen Mansfield Agitation Inventory (CMAI) Identifies behaviours and severity over 7 day period Confusion Assessment Method (CAM) Delirium screen MMSE, MOCA, Clock Sig: E Caps, Cornell Depression Scale

23 DOS Behavior Map Time MON TUE WED THU FRI SAT SUN 6am 7am 8am 9am 10a
1pm 2pm 3pm 4pm

24 Other Common Tools Scale Assessment CMAI NPI-NH BEHAVE-AD
The Cohen-Mansfield Agitation Inventory 29 agitated behaviors rated by caregiver on 7 point frequency scale NPI-NH Neuro-psychiatric Inventory-Nursing Home Version 12 items rated by caregiver on a 4 point frequency and a 3 point severity scale BEHAVE-AD The Behavioral Pathology in Alzheimer’s Disease Rating Scale 25 symptoms rated by caregiver on a 4 point severity scale

25 Caregiver Scales Useful for patients in the community
Self report can be used in office setting or home visit Allow caregivers to identify behaviours they may not be comfortable talking about in front of their loved one ie - Kingston Behavioural Assessment

26 Pharmacological treatment
Clear indication, potential benefits Expected time to response Risks associated with and without Rx Appropriate dose range Monitoring for side effects and response When to consider dose reduction, discontinuation.

27 Top Ten Behaviors not (usually) responsive to medication
Aimless wandering Inappropriate urination /defecation Inappropriate dressing /undressing Annoying perseverative activities Vocally repetitious behavior Hiding/hoarding Pushing wheelchair bound co-patient Eating in-edibles Inappropriate isolation Tugging at/ removal of restraints

28 Top Ten Behaviors responsive (perhaps!) to medication
Physical aggression Verbal aggression Anxious, restless Sadness, crying, anorexia Withdrawn, apathetic Sleep disturbance Wandering with agitation/aggression Vocally repetitious behavior Delusions and hallucinations Sexually inappropriate behavior with agitation

29 Pharmacological treatment: When (indications)
Behaviors that have not responded to non-pharmacological treatment. Persistent despite P.I.E.C.E.S. approach Imminent and severe risk to self or others E.g. delirium needing to be investigated Behaviors that can respond to medication: listed previously Target appropriate symptom cluster: depression, anxiety (acute or chronic), difficulty falling asleep, psychosis…

30 Pharmacological treatment: Choosing best drug
Correct underlying cause, deficiency: Optimize treatment of dementia, CEIs, memantine Target appropriate symptom cluster: Depression: Antidepressant Anxiety (longer term): antidepressant Difficulty falling asleep: Trazodone Psychosis: antipsychotic Aggression: antipsychotic Choose least likely to worsen dementia and medical problems E.g. Least anticholinergic Choose drugs without problematic interaction

31 Best choices: antidepressants
SSRI for depression or anxiety Citalopram (Celexa) and Escitalopram (Cipralex) Sertraline (Zoloft) When noradrenergic properties may be wanted (pain, activation) Venlafaxine (Effexor XR) *not if unstable BP Bupropion (not if unstable BP) When sedation may be needed urgently Trazodone *watch for hypotension Mirtazapine (some anticholinergic properties) When important to have a drug well tolerated Moclobemide (Manerix) * drug interactions

32 Best Choices - anxiety Cholinesterase inhibitor SSRIs
particularly for anxiety of early dementia. SSRIs first line treatment for anxiety disorders will take a few weeks to work check drug interactions. Consider trazodone (watch for hypotension)

33 Best choices: anti-psychotics
For acute delirium– very short term (days) Haloperidol (0.5 mg that may be repeated) Loxapine (2.5 mg that may be repeated) For persistent psychosis/agitation Risperidone (Risperdal): start with mg daily and increase slowly as needed/tolerated over weeks to max. 2 mg per day Olanzapine (Zyprexa): start with 2.5 mg daily and increase slowly as needed/tolerated over weeks, to max 10 mg daily Quetiapine (Seroquel): start with 12.5 mg daily or BID and increase slowly over weeks to max 200 mg daily

34 Meds for BPSD Target Symptoms Medication Starting Dose
(mg/day) Average Target Dose Delusions Hallucination Aggression “Agitation” Atypical Antipsychotics: risperidone olanzapine quetiapine 2.5-5 50-400 Sadness Irritability Anxiety Insomnia Antidepressants citalopram sertraline venlafaxine mirtazapine trazodone 10 25 37.5 7.5 10-40 50-100 15-45

35 Meds for BPSD Target symptoms Medication Starting Dose (mg/day)
Average Target Dose (mg/day) Mood swings Euphoria Impulsivity Mood stabilizers: valproic acid carbamazepine 250 50-100 Agitation Apathy Irritability Cholinesterase Inhibitors. Memantine As directed 5 mg daily 10 mg BID Anxiety (short term use in predictable situations) Anxiolytics: lorazepam oxazepam 5-10 10-30

36 Risks present when there is no pharmacological Rx
Risks of injury (self and others), exhaustion, severe and prolonged suffering, increased risk of death with depression, etc. Need to present the risks of not treating with medications to pt or SDM when obtaining informed consent.

37 Risks associated with pharmacological Rx
Risks of antidepressants: Hyponatremia Increased agitation/insomnia/suicide in first few weeks GI upset and bleed if previous ulcers Headaches Risks of anti-psychotics Increase risk of death (all antipsychotics), increased QT, cerebrovascular accident EPS and tardive dyskinesia Worsening of vascular risk factors (increased weight, lipids, diabetes) Risks of benzodiazepines: Falls, ataxia, worsening dementia, memory, disinhibition

38 Using minimal effective dose, only for the duration required
Consider dose reduction for antipsychotic as soon as there is clear therapeutic response to prevent development of side effects Review anti-psychotic medication for possible discontinuation Q 6 months Maintain full dose of antidepressant but review if still needed after 1-2 years? Only if no prior history of depression

39 Family physicians are at the core of the treatment team, working with:
Patients and substitute decision makers Other caregivers (home care, LTC staff) Community resources (Alzheimer Society, First Link programs) Consultants such as PRCs, Outreach teams, Specialized geriatric medicine and mental health services

40 Questions and further readings
Program for physicians should be available in the coming months: distribution strategies? CCSMH guidelines on LTC issues, depression, delirium and suicide New Canadian Consensus guidelines on Dementia.

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