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9/18/2015 THE M ANY FACES OF DEM ENTI A S H A R O N B E N J A M I N R N , M S N / A N P, A C H P N Statistics In 2012 The Alzheimers Society reported 36 million people with dementia world wide 4.5 million people in US with

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  1. 9/18/2015 THE M ANY FACES OF DEM ENTI A S H A R O N B E N J A M I N R N , M S N / A N P, A C H P N  Statistics In 2012 The Alzheimer’s Society reported 36 million people • with dementia world wide 4.5 million people in US with dementia • • Estimated 646 million new cases in the next 40 years O ne person in eight has AD if over 65 years • Underweight persons ages 40-60 have 64% higher risk of • dementia  Demographics Half of elders over 85 have some form of dementia • Likelihood of developing dementia doubles every five years • after age 65 Depression increases risk of dementia • 25% of people with dementia live in nursing homes, the • remaining 75% live either in private residence or residential care facilities. 1

  2. 9/18/2015 DEM ENTI A I S NOT A SPECI FI C DI SEASE Memory loss is a common symptom however not all memory loss is dementia. People with dementia have serious problems with two or more brain functions, such as memory and language • Unable to think well enough to do normal activities • Lose of ability to solve problems or control emotions • Personality changes • Agitation or hallucinations 2

  3. 9/18/2015 TYPES, CHARACTERI STI CS & PATHOPHYSI OLOGY ALZHEI M ER’S DEM ENTI A • Most common type of dementia -- 50-60% • Brain changes: deposits of protein fragments called plaques and twisted stands of protein called tangles . • Alzheimer’s Society 2011 recommendations call it a three stage disease beginning before onset of symptoms • Characteristics include apathy, depression, short term memory impairment, aphasia, agnosia (recognition of objects), apraxia (motor activity) and difficulty with executive functions of abstract thinking, making sound judgments, and planning tasks. • Progresses through distinct stages, prolonged disease trajectory, 12 years from onset of symptoms • Patients do not regain lost functions 3

  4. 9/18/2015 VASCULAR DEM ENTI A AKA--multi-infarct, subcortical vascular dementia, cerebral autosomal dominant arteriopathy with subcortical infarcts (CADASIL) and leukencephalopathy • 20-30 % of all dementias—second most common type • Brain changes: microscopic bleeding and blood vessel blockage, clinical stroke or subclinical vascular brain injury Stair step decline trajectory • Common to be concurrent with Alzheimer’s- “mixed dementia” • Characteristics include impaired judgment and inability to plan steps to execute a task, • usually present first as opposed to memory loss. Location of brain injury determines how thinking and physical functioning are affected. Uncontrolled laughing and crying; declining ability to pay attention; impaired function in social situations; and difficulty finding the right words. 4

  5. 9/18/2015 LEW Y BODY DEM ENTI A 10-15% of all dementias • Brain Changes: Abnormal clumps or aggregations of protein alpha synuclein which causes degeneration of nerves that produce dopamine When found in the cortex, dementia is the result When found in the substantia nigra, Parkinson’s disease is the result • Characteristics include cognitive fluctuations in attention and alertness, visual hallucinations, spontaneous features of Parkinsonism, REM sleep disturbances, severe sensitivity to side effects of neuroleptic drugs, frequent falls, autonomic dysfunction, apathy, and cogwheeling in extremities • Early appearance of behavior changes as opposed to AD • Waxing and waning decline trajectory 5

  6. 9/18/2015 PARKI NSON’S DEM ENTI A • 50-80% of patients with Parkinson’s disease will develop dementia which is essentially indistinguishable from Lewy Body Dementia (LBD) • Changes in brain cells in the cortex from clumps of alpha synuclein proteins similar to LBD • Characteristics similar to LBD with a decline in thought processes and reasoning in a person who has been diagnosed with Parkinson’s disease for at least a year. Sleep disturbances, delusions with paranoia, changes in memory, concentration and judgment, visual hallucinations, anxiety, irritability, cogwheeling in extremities • Disease trajectory much like LBD FRONTOTEM PORAL DEM ENTI A • AKA – Picks Disease, Primary Progressive Aphasia (PPA), Progressive Supranuclear Palsy (PSP), Behavioral variant (bvFTD), corticobasal syndrome • Accounts for about 10% of dementia cases • Unknown cause, no distinguishing microscopic cause in all cases • Generally people with FTD are younger, around 60 • Characteristics include lack of insight, difficulty assessing social expectations, impulsive behaviors, swearing, compulsive or repetitive behavior, may have body stiffness similar to Parkinson’s. • Loss of language skills is greater than memory loss • Gradual and progressive decline trajectory, but steeper than AD M I XED DEM ENTI A • More than one type of dementia occurring simultaneously • 40% of dementia population likely has some vascular compromise • 15% of all dementias • Survival can vary widely, depending on such factors as the cause of the dementia, age at diagnosis and coexisting health conditions 6

  7. 9/18/2015 RARE CONDI TI ONS • Creutzfeldt-Jakob Disease • Huntington’s Disease • Wernicke-Korsakoff syndrome • Normal pressure hydrocephalus • Binswanger’s (subcortical vascular dementia) • Down’s syndrome-early onset Alzheimer’s • Multiple Sclerosis • HIV • Subdural Hematoma • Cancer and treatment KEY QUESTI ONS FOR DETERM I NI NG DEM ENTI A TYPE • What were the first symptoms (evidence of confusion, memory loss, personality change)? When? • Was decline gradual or stepwise (change, then stable for a time, then change again)? • Is there a history stroke or TIAs? (If yes, then did it start after the stroke or TIA?) • History of atrial fibrillation? Longstanding high blood pressure? Significant alcohol intake? • Does the patient have or did he/she have stiffness, rigidity, or shuffling gait when able to walk? W HEN SOM ETHI NG HAS CHANGED… • Dementia-chronic, progressive fatal disease • Delirium-sudden change in ability the think clearly • Depression-mood changes more prominent than other changes in thinking, anhedonia • Brain Damaging Events – Chronic traumatic encephalopathy? – Anoxia? – Hypoperfusion? – Hypoglycemia? – Alcohol or drug abuse? 7

  8. 9/18/2015 EVALUATI ON TOOLS Palliative Performance Scale (PPS) http://consultgerirn.org/uploads/File/trythis/try_this_32.pdf Mini Mental Status Exam (MMSE) http://www.mountsinai.on.ca/care/psych/on-call-resources/on-call-resources/mmse.pdf St Louise University Mental Status (SLUMS) http://medschool.slu.edu/agingsuccessfully/pdfsurveys/slumsexam_05.pdf Activities of Daily Living Scale (ADLs) http://consultgerirn.org/uploads/File/trythis/try_this_2.pdf Functional Assessment Staging Test (FAST) http://alzheimersworkshop.com/index.php?view=article&catid=27%3Aalzheimers-disease&id=54%3Afast- scale&format=pdf CHI M BOP~ A DELI RI UM ASSESSM ENT TOOL C - Constipation H - Hypovolemia, hypoglycemia I - Infection M - Medications B - catheter and bladder outlet obstruction O - Oxygen deficiency P - Pain (created by staff at Legacy Hopewell House Hospice Center) M EDI CATI ON M ANAGEM ENT 8

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