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Dementia PowerPoint Presentation

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Description : dementia and management

Tags : dementia,dementia disease

Published on : Jun 30, 2022 | Views : 1954 | Downloads : 3

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Dementia
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Introduction Cognition is that operation of the mind process by which we become aware of objects of thought and perception, including all aspects of perceiving, thinking & remembering. Organic brain syndrome is general term referring to many physical disorders that cause impaired mental function
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Classification of organic brain disorders: Organic, including symptomatic, mental disorders Dementia in Alzheimer’s disease Vascular dementia Dementia in other diseases classified elsewhere Unspecified dementia Organic amnestic syndrome, not induced by alcohol and other psychoactive substances Delirium not induced by alcohol and other psychoactive substances Other mental disorders due to brain damage and dysfunction and to physical disease Personality and behavioural disorders due to brain disease, damage and dysfunction Unspecified organic or symptomatic mental disorder.
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History of dementia Dementia was first described in a book about mental illness in 183. In 1894, dr. alois Alzheimer, a German neuropathologist who has a particular interest in “nervous disorders” described changes in the brain caused by vascular disease (now known as vascular dementia).
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Definition Dementia is an acquired global impairment of intellect, memory and personality but without impairment of consciousness
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Incidence Dementia occurs more commonly in the elderly than in the middle-aged
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Etiology Significant loss of neurons and volume in brain regions devoted to memory and higher mental functioning Neurofibrillary angles (twisted nerve cell fibers that are the damaged remains of microtubules Environmental factors: infection, metals and toxins. Excessive amount of metal ions, such as zinc and copper, in brain Deficiencies of vitamin B6,B12 And Folate Possible Risk Factor Due To Increased Levels Of Hemocysteine (amino acid that may interfere with nerve cell repair) Early depression: common genetic factors seen in those with early depression and Alzheimer's disease
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Untreatable and irreversible cause of dementia Degenerating disorders of CNS Alzheimer’s disease (this is the most common of all dementing illnesses) Pick’s disease Huntington’s chorea Parkinson’s disease
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Treatable and reversible causes of dementia Vascular-multi-infarct dementia Intracranial space occupying lesions Metabolic disorders Hepatic failure Renal failure Infections AIDS Meningitis Encephalitis Intoxication- Alcohol, heavy metals (lead, arsenic), Anoxia- Anemia, Post-anesthesia Chronic respiratory failure Vitamin deficiency, especially deficiency of thiamine and nicotine Physiologic: Normal pressure hydrocephalus Metabolic: Endocrinopathies Hypothyroidism Myxedema Addison’s disease Tumor: Primary or metastatic (e.g. meningioma or metastatic breast or lung cancer) Traumatic: Subdural hematoma
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Types of dementia Cortical dementia: Dementia where the brain damage primarily affects the brain’s cortex, or outer layer. Cortical dementias tend to cause problems with memory, language, thinking, and social behavior Subcortical dementia: Dementia that affects parts of the brain below the cortex. Subcortical dementia tends to cause changes in emotions and emotions and movement in addition to problems with memory. Progressive dementia: Dementia that gets worse over time, gradually interfering with more and more cognitive abilities. Primary dementia: Dementia such as Alzheimer's disease that does not result from any other disease. Secondary dementia: Dementia that occurs as a result of a physical disease or injury
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Stages of dementia Stage I: Early stage (2 to 4 years): • Forgetfulness Declining interest in environment Hesitancy in initiating actions Poor performance at work Stage II: Middle stage (2 to 12 years): Progressive memory loss Hesitates in response to questions Has difficulty in following simple instructions Irritable, anxious Wandering Neglects personal hygiene Social isolation Stage III: Final stage (up to a year): Marked loss of weight because of inadequate intake of food Unable to communicate Does not recognize family Incontinence of urine and feces Loses the ability to stand and walk Death is caused by aspiration pneumonia
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Warning signs of Alzheimer’s dementia: Memory loss Difficulty performing familiar tasks Problems with language Disorientation to time and place Poor or decreased judgement Problems with abstract thinking Misplacing things Changes in mood or behaviour Changes in personality Loss of initiative
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Clinical features (For Alzheimer’s type) Personality changes: Lack of interest in day-to-day activities Easy mental fatigability Self-centred Withdrawn Decreased self-care. Memory impairment: Recent memory is prominently affected. • Cognitive impairment: Disorientation poor judgement Difficulty in abstraction Decreased attention span Affective impairment: Labile mood, irritableness, depression Behavioral impairment: Stereotyped behavior, alteration in sexual drives and activities, psychotic behavior. Neurological impairment: Alteration in sexual drives and activities.
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Clinical features (For Alzheimer’s type) Although there are some decreases in metabolism associated with age, in most patients with Alzheimer’s disease, there are marked decreases in the temporal lobe, an area important in memory functions.
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Diagnosis Following test are used for diagnosis: Cognitive assessment evaluation- mini mental status examination (MMSE) – shows cognitive impairment Functional dementia scale (to indicate the degree of dementia) Magnetic resonance imaging (MRI): of the brain shows structural and neurologic changes. Spinal fluid analysis shows increased beta amyloid deposits
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Treatment modalities Tacrine hydrochloride (Cognex) Donepezil hydrochloride (Aricept) NMDA ANTAGONISTS. Memantine ANTIPSYCHOTIC AGENTS Risperidone, quetiapine, and olanzapine ANTIDEPRESSANT AGENTS AND MOOD STABILIZERS Low doses of the selective serotonin reuptake inhibitors and other newer ant depressive agents should be considered.
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Assessment of dementia patients: • Level of mobility, wandering behavior • Judgement ability • Sleep disturbances • Speech or language impairment • Hallucinations, illusions or delusions • Bowel and bladder incontinence • Apathy • Any decline in nutritional status • Recognition of family members • Identify primary care giver, support system and the knowledge base of the family members. Disorientation Mood changes Fear Suspiciousness Self-care deficit Social behavior Assessment data for the patient with dementia should include a past health and medication history Data to be included for assessment :
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conclusion • Dementia is a serious cognitive disorder all together dementia is a far common in the geriatric population, it may be occur in any stage of childhood. • So we need to get aware about the preventive measures of dementia and educative the individuals about its signs and symptoms with its treatment.