Non Alzheimer Dementias Talk 2007 - Texas Department of ... · Dr. Schiffer is on no industry...
Transcript of Non Alzheimer Dementias Talk 2007 - Texas Department of ... · Dr. Schiffer is on no industry...
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9/11/2007
Non Alzheimer DementiasRandolph B SchifferDepartment of Neuropsychiatry and Behavioral ScienceTexas Tech University Health Sciences Center
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Statement of Financial DisclosureStatement of Financial DisclosureRandolph B Schiffer, MD, MD
Dr. Schiffer is on no industry speakers bureaus
Dr. Schiffer also acknowledges that he has not received other compensation including honoraria, consultant fees and educational program development funds from industry sources
Dr. Schiffer is not a major stockholder in any of the pharmaceutical companies
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ObjectivesTo familiarize the audience with the clinical features and diagnostic criteria for the most common non-Alzheimer dementiasTo review available treatment information for these non-AD dementias
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Factual Statement Number 1EVERYBODY WITH A MEMORY DISORDER DOES NOT HAVE ALZHEIMER DISEASE (AD)
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Types of Non-AD Memory DisordersNon-AD Neurodegenerative SyndromesVascular SyndromesNon-Neurodegenerative, Non-Vascular
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Non-AD Neurodegenerative DisordersFronto-Temporal DisordersParkinson’s Disease (PD) Spectrum Disorders
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The Frontotemporal Lobar Dementia Syndromes (FTLD)
Frontotemporal Dementia syndromesProgressive Semantic DementiaProgressive Non-Fluent aphasiaMotor Neuron SyndromesPersistent Psychotic Syndromes
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FTLD – Clinical FeaturesPersonality change of “frontal lobe type;” apathy, disinhibition, fronto-executive type cognitive lossAffective symptoms; depression, emotional dysregulationSpeech/language disorder; mutism, aphasiaMotor neuron loss
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FTLD – Clinical Course and TreatmentMay be younger than AD patientsMay be older than AD patientsMay progress faster than AD patientsMay progress slower than Ad patientsCholinesterase inhibitors contraindicatedSSRI psychiatry drugs may help
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PD Spectrum DisordersIdiopathic PDMulti-System AtrophyLewy Body DementiaEssential TremorCortico-basal ganglionicDegenerationProgressive Supranuclear Palsy
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Dementia with Lewy Bodies (DLB) – Clinical Features
Cortical dementiaAtypical parkinsonismHallucinations and delusionsDepressionPsychotropic drug sensitivityFluctuations in consciousnessFalls
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DLB – Diagnostic CriteriaA. Cortical dementiaB. Two of the following; fluctuating cognition, recurrent visual hallucinations, parkinsonismC. Supportive featuresD. Warning features; stroke, other neuromedical illness
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DLB – Clinical Course and TreatmentClinical progression probably faster than AD Positive response to cholinesterase inhibitors (most of them have Ad neuropathology, too)L-DOPA Lazarus responses
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Vascular Dementia – What is it?Cognitive Loss Syndrome attributable to some combination of; thromboembolic stroke(s), small vessel lacunar strokes, chronic ischemia with neuronal loss (Binswanger’s disease), hemorrhages
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Problems with Vascular Dementia Syndrome
We have competing sets of diagnostic criteria for Vascular dementiaAt autopsy, most people with “Vascular Dementia” have ADMRI scans are not very reliable in sorting vascular dementia from ADThe most powerful disease modulators for AD may be vascular risk factors
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Vascular Dementia – It Must be Out There
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Vascular Dementia – Criteria at Texas TechCognitive decline in two domainsNeurovascular disease, indicated by focal exam findings, imagingRelationship between vascular disease and dementiaExclusion criteria
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Vascular Dementia – Clinical Course and Treatment
Median survival from onset 3.3 yearsPositive response to cholinesterase inhibitorsRisk factor management
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Non-Degenerative Non-Vascular SyndromesPsychodementiasTraumaInfectionAutoimmune Brain SyndromesToxin exposureMetabolic syndromes
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PsychodementiaCognitive loss syndrome in association with a general psychiatric disorder, sufficient to cause impairment of psychosocial or vocational function
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PsychodementiaClinical Criteria
Subjective complaint of memory loss, with or without other cognitive domain affectedDemonstrated cognitive dysfunction on standardized test(s)Causal association of intercurrent general psychiatric disorder, in judgment of clinician
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Frequency Rates of Psychodementia in Texas Tech Memory Disorders Program
N=13; Depression=4; Psychosocial stress=2; Subjective cognitive loss=2; GAD=1; Bereavement=1; Conversion=1Sensory deprivation=1; Sleep disorder=1Non AD psych syndromes=11% of total; “Psychodementia”
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SummaryNon-Alzheimer syndromes account for about 20% of subjects in University Memory Disorder programsThey are a heterogeneous groupTheir treatments are substantially different from AD