Geriatric Population. The 3 D’s Geriatric Dementia, Delirium & Depression
Delirium and geriatric syndromes: an additive or ......Delirium and geriatric syndromes: an additive...
Transcript of Delirium and geriatric syndromes: an additive or ......Delirium and geriatric syndromes: an additive...
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Delirium and geriatric syndromes: an additive or multiplicative effect?
Trial lectureSigurd Evensen, 11 December 2019
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Outline• Definitions
– Delirium– Syndrome– Geriatric syndromes
• Questions with discussion– Do geriatric syndromes influence outcomes in delirium?– Does delirium aggravate geriatric syndromes in long term?– Do delirium and geriatric syndrome complications interact during illness?
• Conclusions
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Delirium (DSM-5)A. A disturbance in attention (i.e reduced ability to direct, focus, sustain or shift
attention) and awareness (reduced orientation to the environment)B. The disturbance develops over a short period of time (usually hours to a few
days), represents a change from baseline attention and awareness and tendsto fluctuate in severity during the course of the day
C. An additional disturbance in cognition (e.g. memory deficit, visuospatial ability, or perception).
D. The disturbances in criteria A and C are not better explained by a pre-existing, established or evolving neurocognitive disorder and do not occurin the context of a severely reduced level of arousal, such as coma.
E. There is evidence from the history, physical examination or laboratory findingsthat the disturbance is a direct physiological consequence of anothermedical condition, substance intoxication or withdrawal, or exposure to a toxin, or is due to multiple etiologies
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Delirium is common
Ryan et al. BMJ Open, 2013
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Risk factors for deliriumPrecipitating factors• Medical illness• Surgery• Trauma • Drugs
Predisposing factors• Advanced age• Cognitive impairment• Visual and hearing
impairments• Low pADL function• Malnutrition• Frailty• Sarcopenia
Elie et al. J Gen Intern Med, 1998Vasilievskis et al. Best Pract Res Clin Anesthesiol, 2012 Ahmed et al. Age Ageing, 2014Persico et al. J Am Geriatr Soc, 2018Bellelli et al. Clinical Nutrition, 2019
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Inouye and Charpentier, JAMA 1996
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The impact of delirium• Poor outcomes
– Increased risk of mortality, institutionalization and dementia Witlox et al. 2010, JAMA
– Increased risk of functional declineQuinlan et al. 2011, J Am Geriatr Soc
– Increased risk of falls and loss of physical functionMazur et al. 2016, Clin Interv Aging, Ogava et al. 2017, PLoS One
• Delirium – the most important complication after surgery?Gleason et al. 2015, JAMA Surg
• Delirium is frightening, demanding and expensiveInstenes et al. 2017, Heart, Lung and CirculationMorandi et al. 2015, J Psychosom Res Pezullo et al. 2019, BMJ Open
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Predictors of poor outcomes
• Hypoactive subtype• Duration of delirium• Delirium severity• Comorbid dementia and/or depression
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A syndrome… a pattern of symptoms and signs with an underlying cause that may not (yet) be known
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Inouye et al. J Am Geriatr Soc, 2007
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What is a geriatric syndrome?«Multifactorial health conditions that occur when the accumulatedeffects of impairments in multiple systems render an older person vulnerable to situational challenges»
Inouye et al. J Am Geriatr Soc, 2007
«Common clinical conditions in advanced age not fitting into discretedisease categories, because they involve underlying factors and organ systems»
Meyer et al. Aging Clin Exp Res, 2019
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«Multifactorial conditions that are prevalent in older adults»Magnuson et al. Am Soc Clin Oncol Educ Book, 2019
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Inouye et al. J Am Geriatr Soc, 2007
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Geriatric giantsIsaacs 1965• Impaired vision and
hearing• Instability and falls• Incontinence• Intellectual disability• Iatrogenic conditions
Morley 2017• Frailty• Sarcopenia• The anorexia of ageing• Cognitive impairment
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Geriatric syndromes• Dementia• Falls and mobility problems• Delirium• Vision and hearing impairment• Incontinence• Frailty, fatigue, sarcopenia• Functional decline• Pressure ulcers• Chronic pain• Impaired homeostasis• Swallowing disorders/aspiration• Malnutrition, dehydration• Urinary retention, constipation• Social isolation• Iatrogenic disease• Insomnia• Depression• Impoverishment• Irritable bowel• Dizziness• Syncope• Chronic inflammation• POLYPHARMACY
Inouye, Meyer, Mecocci, Dasgupta, Magnuson, Anderson
Geriatric Syndrome Complications• Pressure ulcers• Incontinence• Falls• Nutrition, dehydration, aspiration• Pain• Retention, constipation
Anderson et al. J Am Geriatr Soc,2012
Chronic geriatric syndromes• Dementia• Depression• Frailty• Malnutrition
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Why are geriatric syndromes relevant?
Functional limitations and geriatric syndromes are goodpredictors of health outcomes, better than chronicconditions.
Kane et al. J Am Geriatr Soc, 2012 Koroukian et al. J Gen Intern Med, 2016
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Kane et al. J Am Geriatr Soc, 2012
Geriatric syndromes predictsurvival in the «youngest old» but not in the very old
Reuters
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DELIRIUM AND DEMENTIA
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What is dementia?• (A syndrome) «defined by chronic aquired loss of 2 or more
cognitive abilities caused by brain disease or injury»
• Brain disease: Alzheimer’s disease, vascular disease, Lewy-body disease
Arvanitakis et al. 2019, JAMA
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Delirium and dementia
«…dementia is the leading risk factor for delirium; and delirium is an independent risk factor for subsequent dementia. However, a major area of controversy is whether delirium is solely related to its precipitating factors, or whether delirium itself can cause permanent neuronal damage and lead to dementia. Ultimately, it is likely that all of these hypotheses are true.»
Delirium and dementia
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DELIRIUM SUPERIMPOSED ONDEMENTIA (DSD)
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DSD• Common, affects ≥ 50% of hospitalized patients with
dementia• A diagnostical challenge• Underdiagnosed• Associated with elevated mortality, rehospitalization,
institutionalization and worsening of cognitive function
Fick et al. J Am Geriatr Soc, 2002Morandi et al. J Am Med Dir Asoc, 2017
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Morandi et al. J Gerontol A Biol Sci Med Sci, 2019
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DSD and mortalityIncreased mortality compared to delirium alone and dementia alone
• Bellelli et al. Journal of gerontology, Medical sciences, 2007– Patients with DSD have increased one-year mortality
• Juliebø et al. Dement Geriatr Cogn Disorder, 2010– Patients with DSD have increased risk of death after hip fractures
• Morandi et al. JAMDA, 2014– Mortality– Institutionalization– Walking dependency
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Other studies, different conclusions…
• McCusker et al. Arch Intern Med, 2002– Delirium has strongest effect on mortality in patients without
dementia
• Pitkälä et al. Dement Geriatr Cogn Disord, 2005– Patients with dementia prior to delirium tended to have better
prognosis
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DSD and cognitive function
Increased risk of worsening cognitivefunction
Gross et al. Arch Intern Med, 2012Patients with DSD have an increased risk of cognitive deterioration
Krogseth et al. Arch Gerontol Geriatr, 2016DSD is a predictor of further cognitivedecline
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Delirium and depressionGivens et al. J Am Geriatr Soc, 2009
Medical patients with overlap syndrome of depression and delirium had higher risk of loss of ADL function at one month and nursinghome placement/death at one year.
Delirium Depression
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Cognitive impairment, depression and delirium
Givens et al. J Am Geriatr Soc, 2008Cognitive impairment, depressive symptoms and delirium were associated with adverse outcomes
For patients with more than one condition, therewas a greater risk of poor outcomes for eachadditional disorder
(Outcomes: ADL decline, functional decline, nursinghome placement and death)
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DELIRIUM AND FRAILTY
(Amazon.in)
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What is frailty?« a state of increased vulnerability to poor resolution of homeostasis after a stressor event, which increases therisk of adverse outcomes» Clegg et al. Lancet, 2013
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Different frailty criteria• Phenotype
Fried et al. J Gerontol A Biol Sci Med, 2001
• Accumulated deficitsRockwood and Mitniski J Gerontol A Biol Sci Med, 2007
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Delirium, frailty and mortality• Eeles et al. Age and Ageing, 2012
– Longer median survival for fit than frail patients with delirium
• Nguyen et al. Heart, Lung Circ, 2016– Coexistence of frailty and delirium significantly increased the risk
of mortality in patients with atrial fibrillation
• Dani et al. J Gerontol A Biol Med Sci, 2018– Greatest impact of delirium on survival at lower levels of frailty
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Delirium, frailty and other outcomes• Chew et al. Geriatr Gerontol Int, 2017
– Frailty associated with poor recovery from delirium and therebyresults in poor functional outcome after 12 months
• Nomura et al. Anesth Analg, 2019– Frail patients with delirium had increased cognitive decline 1
month after surgery compared to non-frail patients, no effectafter 12 months
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DELIRIUM AND GERIATRICSYNDROME COMPLICATIONS
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• Geriatric syndrome complications were more common than medicalcomplications
• Geriatric syndrome complications were associated with persistent delirium
• No association between medical complications and persistent delirium
«Vicious spiral to bad outcomes»
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New occurrence of falls, pressure ulcers, poor oral intakeor aspiration were associated with poor functional recoveryafter delirium
Outcomes: Death, permanent institutionalization and loss in ADL function
Dasgupta and Brymer, International Psychogeriatrics, 2015
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• Malnourished patients had increased risk of delirium
• Patients with both malnutrition and delirium hadincreased risk of death and being discharged to nursinghomes.
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Increasing severity of geriatric syndrome
Increasingimportanceof delirium
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Conclusions• Delirium is associated with poor outcomes
• Geriatric syndromes are better predictors of health related outcomesthan specific diseases
• There is likely an interaction effect between delirium and– Dementia– Depression– Frailty– Malnutrition– Geriatric syndrome complications during illness
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