U.S. POPULATION AGE 65 AND OVER Special Considerations in Geriatric Care.
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Transcript of U.S. POPULATION AGE 65 AND OVER Special Considerations in Geriatric Care.
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U.S. POPULATION AGE 65 AND OVER
010203040506070
Population (millions)
1900 1990 Est. 2010 Est 2030
Year
Special Considerations in Geriatric Care
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WHAT’S POTENTIALLY DIFFERENT ABOUT PEOPLE
AS THEY AGE?• Multiple chronic illnesses• Multiple medications• Physiologic changes lead to adverse
drug effects, altered illness presentations
• Cognitive/functional limitations• Increased importance of social/familial
support
Special Considerations in Geriatric Care
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GOALS OF GERIATRIC CARE
• Maintain or improve functional abilities
• Prevent disease• Avoid iatrogenic illness• Cooperate with multidisciplinary
team• Incorporate family into care
Special Considerations in Geriatric Care
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OLDER PATIENT ASSESSMENT
• Medical• Cognitive• Affective• Environmental• Economic• Social• Functional
Special Considerations in Geriatric Care
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FUNCTIONAL STATUS
• Complete functional tasks and fulfill social roles
• Activities of daily living (ADLs)– Personal care tasks
• Instrumental activities of daily living (IADLs)– Home management tasks
Special Considerations in Geriatric Care
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PRESCRIBING FOR OLDER PATIENTS
• Consider nonpharmacologic measures
• Ask about all medication use, including over-the-counter products
• Use lowest effective dose• Increase dose slowly• Consider functional status
Special Considerations in Geriatric Care
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SUMMARY
• Goal of care: maintain or improve function, quality of life
• Assess patient’s status thoroughly• Consider status in therapeutic
regimen• Work with other MDs as needed• Involve family caregivers
Special Considerations in Geriatric Care
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VISUAL LOSS ASSOCIATED WITH AGING
• 1 in 3 may face some visual loss by age 65
• Potential consequences– Daily activities curtailed– Social isolation, depression– Less mobility, falls and fractures– Loss of independent living
Principal Problems of the Aging Eye
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POTENTIAL EFFECTS OF AGING
ON VISION• Decline in visual acuity • Increase in visual impairment • Legal blindness
Principal Problems of the Aging Eye
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AGING AND THE CRYSTALLINE LENS
• Lens– Yellows: May affect color discrimination– Opacifies: Cataract– Hardens: Nuclear sclerosis
• Ciliary body/lens– Loses accommodative ability: presbyopia
Principal Problems of the Aging Eye
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SYSTEMIC DISEASES AND THE
AGING EYE• Hypertension: retinal vein occlusion• Arthritis: dry eye• Diabetes: glaucoma, cataracts,
diabetic retinopathy
Principal Problems of the Aging Eye
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VISION LOSS IN THE AGING EYE:
LEADING CAUSES• Age-related macular degeneration• Glaucoma• Cataract• Diabetic retinopathy
Principal Problems of the Aging Eye
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VISUAL IMPAIRMENT OFTEN UNTREATED
• Leading causes of blindness in the aging eye (Baltimore Study):– Unoperated cataract– Primary open-angle glaucoma– Age-related macular degeneration
• 1/3 of new blindness is avoidable
Principal Problems of the Aging Eye
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EVALUATION: HISTORY
• Problems with vision?• Was vision decrease sudden or
gradual?• Any pain with vision loss?• Any eye operations?• Using any eyedrops?
Principal Problems of the Aging Eye
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EVALUATION: EXAMINATION
• Visual acuity• Lids and orbits• Pupils• Visual fields• Motility• Anterior segment• Intraocular pressures • Posterior segment
Principal Problems of the Aging Eye
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EVALUATION: FREQUENCY
• Asymptomatic patients 65+: Every 1–2 years
• Symptomatic patients: Evaluate and refer on presentation
• Decreased visual acuity: Routinely refer
• Treatment goal: Optimize visual function
Principal Problems of the Aging Eye
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Principal Problems of the Aging Eye
Blepharitis
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Principal Problems of the Aging Eye
Entropion of left lower lid
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Principal Problems of the Aging Eye
Ectropion
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Principal Problems of the Aging Eye
Ptosis
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Principal Problems of the Aging Eye
Basal cell carcinoma
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Principal Problems of the Aging Eye
Corneal damage: severe dry eye
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Principal Problems of the Aging Eye
Herpes zoster ophthalmicus
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AGE-RELATED MACULAR DEGENERATION (AMD)
• Most common cause of irreversible visual loss in the aging eye
• Loss of central vision• Risk factors
– Advanced age– Family history of AMD– Smoking, CV disease
Principal Problems of the Aging Eye
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Medium-sizedrusen
Principal Problems of the Aging Eye
Large drusen inferonasal to
macular center
Large drusen(125 + μm)
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AMD: RISK OF PROGRESSION
• Early AMD– May not have any increased risk of advanced AMD
compared to people without drusen
• 1 eye intermediate AMD, 1 eye without AMD– 5% risk of progression to advanced AMD within 5 years
• Both eyes intermediate AMD– 25% risk of progression to advanced AMD within 5 years
• 1 eye advanced AMD– 50% risk of advanced AMD in second eye within 5 years
Principal Problems of the Aging Eye
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AMD: CENTRAL VISION LOSS IN ADVANCED STAGES
• “Dry” AMD– Atrophy of photoreceptors and choriocapillaris– Gradual vision loss
• “Wet” AMD– Neovascularization between retina and choroid– Disc edema, disciform scar– More sudden visual loss
Principal Problems of the Aging Eye
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AMD: SYMPTOMS
• Intermediate stage– No symptoms or slight
difficulty with reading, driving, etc, due to atrophy not yet involving center of macula
– Straight lines may appear crooked
• Advanced stage – Central blind spot– Peripheral vision usually
remains intact
Principal Problems of the Aging Eye
Central blind spot
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Principal Problems of the Aging Eye
Fluorescein angiogram: neovascular AMD
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TREATMENTS FOR AMD
• Aim to reduce risk of progression in intermediate to advanced stage– Dietary supplements such as used in the Aged-Related Eye
Disease Study (vitamin C 500 mg, vitamin E 400 IU, beta carotene 15 mg, and zinc oxide 80 mg)
• Reducing risk of vision loss in selected cases of neovascular AMD– Laser photocoagulation– Photodynamic therapy with verteporfin– Intraocular injection therapy with anti-VEGF drugs (some
may increase chance of improving vision)
Principal Problems of the Aging Eye
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AMD: MINIMIZING VISION LOSS
Patients with intermediate stage of AMD:•Consider dietary supplement such as that used in AREDS•Periodic monitoring at home and office for progression to CNV•Prompt notification of vision changes suggesting CNV•Periodic educational update
Principal Problems of the Aging Eye
Normal appearance
Abnormal distortion
Home Monitoring with Amsler Grid
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AMD: DEALING WITH VISION LOSS
• Low vision aids• Treatment of
depression and anxiety when indicated
Principal Problems of the Aging Eye
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GLAUCOMA
• Second most common cause of visual loss in older people
• Affects– 10% African-Americans 70– 2% Caucasians 70
• Early detection and treatment can prevent blindness
Principal Problems of the Aging Eye
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GLAUCOMA: RISK FACTORS
• IOP may be high• African racial heritage• Advanced age• Family history of glaucoma• Hypertension, diabetes, myopia
Principal Problems of the Aging Eye
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Glaucomatous optic nerve Normal optic nerve
Principal Problems of the Aging Eye
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TYPES OF GLAUCOMA
• Primary open-angle glaucoma (POAG)– Most common type in people over age 50
• Angle-closure glaucoma
Principal Problems of the Aging Eye
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Primary open-angle glaucoma
Principal Problems of the Aging Eye
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Principal Problems of the Aging Eye
Visual field testing
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POAG: MANAGEMENT
• Halt visual field loss• Prevent further optic nerve damage• Use medications to lower IOP• Consider laser surgery, glaucoma
filtration surgery, other interventions where warranted
Principal Problems of the Aging Eye
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ANGLE-CLOSURE GLAUCOMA
• Approximately 10% of glaucoma cases in U.S.
• More common in ages 50+• More common in some Asian groups• Risk factors: female with hyperopia
Principal Problems of the Aging Eye
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Angle-closure glaucoma
Principal Problems of the Aging Eye
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Principal Problems of the Aging Eye
Acute angle-closure glaucoma
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Laser iridotomy
Principal Problems of the Aging Eye
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AGE-RELATED CATARACT
• Third most common cause of visual loss in older people
• Decreased vision (Framingham Eye Study)– 65–74 years = 18%– 75–85 years = 46%
Principal Problems of the Aging Eye
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Dense cataract causing pupil to appear gray rather than black
Principal Problems of the Aging Eye
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CATARACT: SYMPTOMS
• Disturbance of near or distance vision at first
• Progresses to diminution of vision• Cataract severity and location
determine impairment • Glare is bothersome
Principal Problems of the Aging Eye
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CATARACT: TREATMENT
• Surgery indicated if – Significant visual impairment– Daily activities curtailed (eg, problems driving,
reading, etc.)
• No current medical treatment
Principal Problems of the Aging Eye
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CATARACT: PRE-OP EVALUATION
• Often done in consultation with PCP• Factors to consider
– Local (retrobulbar, peribulbar, or topical) anesthesia– May use IV sedation– Requires lying supine–optimize pulmonary function
Principal Problems of the Aging Eye
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Principal Problems of the Aging Eye
Implantation of an artificial intraocular lens within the capsular bag
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CATARACT: PROGNOSIS & FOLLOW-UP
• 90% achieve 20/40 vision or better• Infrequent complications
– Infection– Glaucoma– Retinal swelling or detachment
• Capsular bag opacifies, requiring Nd:YAG laser capsulotomy in 15%
Principal Problems of the Aging Eye
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DIABETIC RETINOPATHY (DR)
• Fourth most common cause of visual loss in people over age 55
• Type II diabetes more likely in people over age 55
• Macular edema more common with type II
Principal Problems of the Aging Eye
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Principal Problems of the Aging Eye
Hard exudates and macular edema
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Neovascularization of the disc (NVD)
Principal Problems of the Aging Eye
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DR: MINIMIZING EFFECTS
• PCP and ophthalmologist work together– Type I: Annual eye exam beginning 5 years after
diagnosis– Type II: Eye exam at time of diagnosis, and then
annually
• Good glycemic control– Type I: Insulin– Type II: Diet, exercise, weight loss
Principal Problems of the Aging Eye
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RETINAL VASCULAR OCCLUSIONS
• Cause sudden visual loss• Transient or permanent• Refer to ophthalmologist, and
possibly neurologist or vascular surgeon
Principal Problems of the Aging Eye
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Principal Problems of the Aging Eye
Central retinal artery occlusion
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Principal Problems of the Aging Eye
Branch retinal artery occlusion
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Principal Problems of the Aging Eye
Central retinal vein occlusion
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Principal Problems of the Aging Eye
Branch retinal vein occlusion
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Principal Problems of the Aging Eye
Posterior vitreous detachment
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Principal Problems of the Aging Eye
Retinal detachment
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Principal Problems of the Aging Eye
Retinal detachment
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CRANIAL NERVE PALSIES
• Systemic ischemic disease can lead to palsies
• Cranial nerves III, IV and VI control extraocular movements
• PCP and ophthalmologist manage together
Principal Problems of the Aging Eye
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Principal Problems of the Aging Eye
Third-nerve palsy of right eye: patient attempting to look up
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Principal Problems of the Aging Eye
Sixth-nerve palsy of right eye: patient attempting to look to the right
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Principal Problems of the Aging Eye
Ischemic optic neuropathy
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TEMPORAL ARTERITIS
• Vasculitis affecting medium-sized vessels
• May cause– Ischemic optic neuropathy– Cranial nerve palsies– Retinal vascular occlusions
Principal Problems of the Aging Eye
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TEMPORAL ARTERITIS: SYMPTOMS
• Headaches• Malaise• Night sweats• Weight loss• Jaw claudication• Polymyalgia rheumatica
Principal Problems of the Aging Eye
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TEMPORAL ARTERITIS: DIAGNOSIS
• A diagnosis based on history and clinical findings
• Sedimentation rate often elevated, but test has low sensitivity and specificity
• C-reactive protein level may also be elevated.
• Temporal artery biopsy usually confirms giant cell infiltration
• If untreated, may progress to vision loss
Principal Problems of the Aging Eye
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TEMPORAL ARTERITIS: TREATMENT
• Oral corticosteroids• Start treatment on diagnosis• Biopsy not affected if performed
within 1 week of beginning treatment
Principal Problems of the Aging Eye
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MODERATE LOW VISION (~ 20/70 to 20/160)
• Refractive devices– Special spectacles– Contact lenses– Telescopes– Electronic magnification
• Increased lighting– General for ambulation– Intense for near vision tasks
Principal Problems of the Aging Eye
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SEVERE LOW VISION(20/200 to 20/400 or worse)
• Magnifiers for near vision tasks• Electronic magnification• Special household appliances
– “Talking” clocks– Computers with voice-recognition capability
Principal Problems of the Aging Eye
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CARE OF THE AGING EYE
• Decreased vision with age• Common eye conditions affect people
over the age of 50• Many conditions are preventable or
treatable• Improve or maintain visual function• Coordination between PCPs and
ophthalmologists ensures best care
Conclusion