cardiovascular care of older adults: acute myocardial infarction
DESCRIPTION
Cardiovascular Care of Older Adults: Acute Myocardial Infarction. Karen P. Alexander MD Associate Professor Medicine Duke Clinical Research Institute Duke University Medical Center Durham, NC. Outline. Understand the presentation of ACS in older adults - PowerPoint PPT PresentationTRANSCRIPT
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Cardiovascular Care of Older Adults:Acute Myocardial Infarction
Karen P. Alexander MD
Associate Professor Medicine
Duke Clinical Research Institute
Duke University Medical Center
Durham, NC
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Outline• Understand the presentation of ACS in older adults• Safe and effective therapies for ACS in older adults.• Assess likely health outcomes among older adults with
ACS• Appreciate the role of discharge planning in optimizing
medication safety and return to independent functioning.• Needs for future research
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Population Incidence of Heart Disease Cardiovascular Health Study
Rat
e/1,
000
Pers
on-Y
ears
Age (Yrs)
REF: Arnold AM, et al, JAGS 2005;53:211-218CHD = Fatal and Non-fatal MI, Angina, coronary revascularization
Caucasian Male: 10 year follow up
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Risk Factors for First MIINTERHEART Case- Control Acute MI; 52 countries; >30,000
ptsYoung Old*
Smoking 3.33 (2.86 - 3.87) 2.44 (2.10 – 2.84)
HTN 2.24 (1.93 – 2.60) 1.72 (1.52 – 1.95)
Diabetes 2.96 (2.40 – 3.64) 2.05 (1.71 – 2.45)
Abdominal Obesity 1.79 ( 1.52 – 2.09) 1.50 (1.29 – 1.74)
Lipids: ApoB/ApoA1 4.35 ( 3.49 – 5.42) 2.50 (2.05 – 3.05)
Fruits and Vegetables 0.69 (0.58 – 0.81) 0.72 (0.61 – 0.85)
Exercise 0.95 (0.79 – 1.14) 0.79 ( 0.66 – 0.94)
Alcohol 1.00 (0.85 – 1.17) 0.85 (0.73 – 1.00)
Psychosocial Stress 2.87 ( 2.19 – 3.77) 2.43 (1.86 – 3.18)
93.9% 87.9%Pop. Attributable Risk
REF: Yusuf et al, Lancet 2004;364:937-52 * Old = Men >55 yrs; Women >65 yrs
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Age ≥ 85 among the Myocardial Ischemia National Audit Project (MINAP) Registry
Rosengren EHJ 2012:33:562Year
% ≥
85
year
s
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MINAP: Final MI Diagnosis
Gale, EHJ 2012;33:630-639
AGE AGE
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1975/78 (REF) – 1993/95 Worcester Heart Attack Study
OR for In-hospital MortalityControlling for gender, med history, AMI type, complications
MI Type Age (yrs) QW NQWMI 55-64 65-74 75-84 ≥85
(REF)
1975/78 1.0 1.0 1.0 1.0 1.0 1.0Case Fatality = 21%Median Age = 66 yrs
1993/95 0.33* 0.89 0.23* 0.55* 0.48* 0.93Case Fatality = 11%Median Age = 74 yrs
REF: Goldberg, AJC 1998:82:1311-1317; Furman, J ACC 2001;37:1571-80*Significant
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Time Trends2003 (REF) – 2011 (MINAP Registry)
OR In-Hospital Mortality By Age
Gale, EHJ 2012;33:630-639
NSTEMI <55 yrs >85 yrs
(2003) 1.9% 31.5%(2010) 0.9% 20.4%Mort. RR 0.89 (0.48-1.34) 0.56 (0.42-0.73)
STEMI <55 yrs >85 yrs
(2003) 2.0% 30.1%(2010) 1.5% 19.4%Mort. RR 0.72 (0.39-1.25) 0.56 (0.38-0.75)
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MINAP: NSTEMI In-Hospital MortalityAdj. for Age, DM, HTN, CAD hx, HF, ward (REF: Age <55yr)
MEN
Years Years
Adj.
Odd
Rati
o (9
5% C
I)
Gale, EHJ 2012;33:630-639
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050
100150200250300350400450
<50 50-64 65-74 75+0
5
10
15
20
25
3010%
25%
1 Yr mortality
Efficacy (RRR)
Efficacy (RRR)
Num
ber N
eede
d to
Tre
at1 year M
ortality*
Patient Age (Yrs)
Alter, AJM, 2004*Mortality Estimates based on AMI patients treated in Ontario from 1997-2000
Mortality and NNT Relationships
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Age
Com
orbi
dity
Dise
ase
Seve
rity
62 69
Benefits Risks
Applying Guidelines Out of the Box
– Do they resemble patients in trials?– Is dosing and delivery of treatment similar?– Do conditions of aging dynamically alter treatment effect?– Do treatment risks outweigh benefits?– Do expected outcomes match desired outcomes?
REF: Tinetti, NEJM 2004; 351: 2870-2874
Trials
Community
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0
5
10
15
20
25
30
35
40
45
50
<65 65-74 75-84 85+
CHFRenal InsuffStrokeFrailty*Cognitive Impairment
Older Adults: Comorbidity and Dysfunction
Patient Age
% o
f pop
ulat
ion
REFS: JACC 2005;46: 1479-87; CHS J Geront Biol Sci 2001; Canadian Health and Aging
* Frailty: Fatigue, Slow Gait, Weak Grip, Wt loss >10 lbs,
Low Activity
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Older Adults: Disability
REF: Griffith L, et al. Age and Ageing 2010;39:738-745
Canadian Study of Health and Aging 9,008 Community Dwelling Seniors
Basic (physical) and Instrumental (functional) ADLs
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Frailty
Frailty PhenotypeFeatures: Weakness, Muscle Wasting, Cognitive Impairment,
Depression, Nutrition, Isolation, Low Physical Function, Fatigue
Comorbidity(>2 conditions)
Disability(>1 ADL)25%66%
27%
Age (yrs)
Life Years Prevalence
>65 >25 ~8%
70 19.3 15%
75 11.7 28%
80 8.9 32%
85 6.6 38%
90 4.8 40%
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Heterogeneity of Aging• Biological Phenotype
– Cumulative comorbidity counts– Cognitive Impairment– Disability – Functional Status– Visual and Hearing Impairments
• Physiologic Phenotype– ↓ Blood vessel integrity and response to injury– ↓ Vascular Compliance – D-dimer and inflammatory markers increase – Altered Clotting (low platelet turnover)– ↑ Thrombin, Fibrinogen, Factors IX, X
Jeanne Calment
(Photo Age 113)
Lived to 122 years, Arles France
REF: http://entomology.ucdavis.edu/courses/hde19/lecture3.html
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Unmasking Narrow Reserves
• Less resilient to acute disease• Less resilient to drug effects
DECLINES OFFUNCTION
CHALLENGESTO HOMEOSTASIS
Fries, 1981
NSTEMI
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CAD Limiting Reserves
• Cardiac disease was major health limitation• Treatment enables resumption of function
CHALLENGESTO HOMEOSTASIS
Fries, 1981
CAD Treatment
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Non-CAD Limiting Reserves
CHALLENGESTO HOMEOSTASIS
Fries, 1981
• Underlying comorbidity impairs function• Non-cardiac disease limits survival
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Unmasking Narrow Reserves
• Less resilient to acute disease• Less resilient to drug effects
DECLINES OFFUNCTION
CHALLENGESTO HOMEOSTASIS
Fries, 1981
NSTEMI
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Presentation Atypical Yes
Under treated (Under studied)Yes
Independent risk Mortality YesIndependent risk Bleeding
YesMultiple Coexisting Conditions
Yes
Older Adults (≥75 y) = Special Population
REF: Anderson J, NSTEMI Guidelines. JACC 2007;50:652–726; Tinetti, NEJM 2004; 351: 2870
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Presenting Signs by Age CRUSADE : Signs of CHF
NRMI 2-4 : EKG non-diagnostic (RBBB or other)
05
101520253035404550
<65 yrs 65-74 yrs 75-84 yrs >84 yrs
Signs of CHFEKG non-diagnostic
Patient Age
% P
opul
ation
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0102030405060708090
100
Chest Pain Other* Hypoxia or Tachy Anemia
<75 Years>=75 Years
ED Presenting Signs and Symptoms Chart Review from CRUSADE (n=607)
*Other: Dizziness, Palpitations, Abdominal Pain, Headache, Altered Mentation
Nursing Home: 10 v. 2% (p<0.01)
All P<0.05
N=182
N=468
Krashnewski, AHA Outcomes Abs. Submitted
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Heart Failure
Tachyarrhythmia
Procedures
Renal FailureAnemia
TYPE I
TYPE 2
Thrombus
Universal MI Definition
REF: Thygesen K, JACC 2007;27:2173-95
Type I: Spontaneous MIatherosclerotic plaque rupture with thrombus in one or more of the coronary arteries.Type 2: Secondary MIa condition other than CAD contributes to increased myocardial oxygen demand or decreased myocardial blood flow.
Type 3: Sudden Death MISudden cardiac death with or without ECG changes or biomarkers can be obtained. Type 4/5: Revasc MIPeri-procedural injury associated with instrumentation of the heart during revascularization, either PCI or CABG.
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Older adults with UA/NSTEMI should be evaluated and treated for acute and discharge therapies in a similar manner as younger adults
IIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIII
2011 UA/NSTEMI Guidelines : Special Population Section
REF: Circulation. 2011;123:000-000.
Attention should be given to adjusting anti-platelet and anticoagulant doses based on weight and renal function (eg. estimated creatinine clearance) in older adults.
Decisions on management of older adults should not be based solely on chronologic age but should be patient-centered, with consideration given to general health, functional and cognitive status, comorbidities, life expectancy, and patient preferences
IIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIII
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NSTEMI – Case55yo ♀ 85yo ♀
Presents with SOB, CP no prior cardiac hx
BP: 130/89 mmHgWeight: 238 lbsEKG: Sinus 95, TWI laterallyCreat 1.0, HCT 33%
BP: 165/75 mmHgWeight: 108 lbsEKG: Sinus 95, LVH, TWI laterallyCreat 1.0, HCT 33%
Comorbidities: HTN GERD Obesity Smoking
Comorbidities: HTN Prior stroke HF NEF OA
ASA, 2L O2 NC, Nitro, Beta Blocker Troponin +
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Older Adults: Conservative v. Invasive
Older patients face increased early procedural risks with revascularization relative to younger patients, yet the overall benefits from invasive strategies are equal to or perhaps greater in older adults.
III IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIII IIaIIaIIa IIbIIbIIb IIIIIIIIIIIaIIaIIa IIbIIbIIb IIIIIIIII
REF: Anderson J. J Am Coll Cardiol 2007;50:652-726
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Older Adults: Benefit of Invasive Care (TACTICS TIMI 18)
Source: Bach AIM 2004; 141:186-195
DEATH or MI at 6 mo
Age Group (n)
≤55 y (716)
56-65 y (614)
66-75 y (612)
≥75 y (278)
1 2.01.50.50
Conservative BetterInvasive Better
Event Rate (%) OR
Cons. Inv. (Inv v. Cons)
4.8 5.0 1.07
9.1 7.6 0.82
10.3 7.8 0.73
21.6 10.8 0.44** P <0.016
NNT = 9
NNT = 67
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NSTEMI – Case55yo ♀ 85yo ♀
IV heparin: 5000 U then 1000 U/hr Cath Lab: LCX 95% hazy
IV Integrelin, Drug-eluting stent
Appropriate HeparinAppropriate Integrilin CrCl=98 ml/min
Excess Heparin (3000 U/ 600 U/hr) Excess Integrelin CrCl = 30 ml/min
*Based on Heparin 60 U/kg bolus and 12 U/kg infusion, cap 4000/1000 and Integrilin reduced infusion dose if CrCl <50ml/min
Creatinine 1.0 mg/dl Creatinine 1.0 mg/dl
Weight 238 lbs Weight 108 lbs
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2011 UA/NSTEMI Guidelines : Special Population Section
REF: Circulation. 2011;123:000-000.
Attention should be given to adjusting anti-platelet and anticoagulant doses based on weight and renal function (eg. estimated creatinine clearance) in older adults.
IIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIII
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Excess Antithrombotic Dosing
12.5
28.7
8.512.8
3733.1
16.5
38.5
64.5
0
10
20
30
40
50
60
70
LMW Heparin UF Heparin GP IIb/IIIa
% E
xces
sive
Dos
e
< 65 yrs 65-75 yrs >75 yrs
REF: Alexander KA, JAMA 2005
Avoidable Risk
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NSTEMI – Case55yo ♀ 85yo ♀
Mortality = 0.8%Bleeding = 6.5%Low Crusade Bleeding Risk
Mortality = 3.9%Bleeding = 18.2%Very High Crusade Bleeding Risk
D/C home day 3 Major Bleed, transfusion, volume overload, HFNEF, bouts of afib, hemodynamic instability, Confusion, ↑ LOS
*Based on Heparin 60 U/kg bolus and 12 U/kg infusion, cap 4000/1000 and Integrilin reduced infusion dose if CrCl <50ml/min
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CRUSADE Bleeding Score
REF: Subherwal S. The Crusade Bleeding Score. Circulation 2009;119: Epub
HCT (%)CrCl (mL/min)
DM
FemaleSigns of CHFPVDHeart rate
SBP
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REF: Subherwal S. The Crusade Bleeding Score. Circulation 2009;119: Epub
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Major Bleeding with Antithrombotic therapy
≥2 Antithrombotics (anti-platelet [aspirin or clopidogrel], anti-coagulant, or GP IIb/IIIa; n=50,969; c-index 0.72)<2 Antithrombotics (anti-platelet, anti-coagulant, or GP IIb/IIIa; n=5,931; c-index 0.73)
REF: Subherwhal, Circ 2009;119: 1872-1882
Unavoidable Risk
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Therapeutics in ACS Among Patients >90 Years Old
In-hospital Mortality by Number of Therapies
0
5
10
15
20
25
30
None One Two Three Four FiveNumber of Recommended Therapies*
(p<0.001 for trend)
% m
orta
lity
Age 75-89Age 90 and older
Major Bleeding by Number of Therapies
0
2
4
6
8
1012
14
16
18
20
None One Two Three Four FiveNumber of Recommended Therapies*
(p<0.01 for trend) (CABG Pts and contraindications excluded)
% m
ajor
ble
edin
g**
Age 75-89Age 90 and older
Mortality Major Bleeding
Even among oldest old – better outcomes with better adherence to ACC/AHA Guidelines
Optimal
- Skolnick et al, JACC 2007
(1) Acute Aspirin, (2) Acute Beta-blockers, (3) Acute Heparin, (4) GP IIb/IIIa inhibitors with PCI, (5) Cardiac Catheterization <48 hours
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ACUITY: Major Bleeding in PCI CohortStrategy Matters
0%
2%
4%
6%
8%10%
12%
14%
16%
18%
<55 55-64 65-74 >=75
Hep + GPI Biv + GPI Biv alone
4.3 4.2
1.7
5.76.6
3.0
6.75.5
4.2
12.3
16.5
6.1
Patient AgeN=1376N=2121N=2240N=2052
P=0.006
P=0.001 P=NS
P<0.001
P=0.007
P=0.010 P=0.033
P=0.001
Excluding CABG-related bleeding REF: Lopes JACC 2009
NNT to prevent one major bleedAge <55 – NNT 38
Age >75 – NNT 16
% M
ajor
Ble
edin
g E
vent
s
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Quality of Care for Hospitalized Elders and Post-Discharge Mortality
6,392 Vulnerable Elderly Patients identified a using VES-13 Survey
One year mortality based on adherence to Geriatric ACOVE Measures
REF: Aurora JAGS 2010;58: 1642-1648
ACOVE Quality of Care above Median = 18% reduction in 1 year death
Discharge PlanningAssess NutritionAssess CognitionAssess Mobility
Mobility interventionDelerium Management
Pressure Ulcer Management
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Quality of Care for Hospitalized Elders and Post-Discharge Mortality
6,392 Vulnerable Elderly Patients identified a using VES-13 Survey
One year mortality based on adherence to ACOVE Measures
REF: Aurora JAGS 2010;58: 1642-1648
ACOVE Quality of Care above Median = 18% reduction in 1 year
death
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MI – Discharge55yo ♀ 85yo ♀
ASA, Plavix, BB, Statin ASA, Plavix, BB, ACEi, Statin+
6 other medications
5 days returned to workFollow up appointment 1 weekEnrolled in Cardiac Rehab
At home alone during the dayNo follow up appointmentSedentary, weak
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Discharge: Take-off and Landing• Successful Outpatient visit plan
– Early Follow up Appointment (Cardiology or Medicine)– Successful communication
• Return to Independent Function– Consider caregiver support, home safety
• Avoid Complications, Rehospitalization– Medication Review, Education, Simplification– Symptom Education– Clear Contact Information
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Cardiac Rehab and Survival In Older Cardiac Patients
REF: Suaya JA et al, JACC 2009;54:25-33
>600,000 Medicare Beneficiaries (ICD-9: AMI, ACS, Stable CAD, CABG, PCI)
70,040 Propensity Matched Pairs; Regression Modeling; Instrumental Variable Analysis
Cardiac Rehab Participation = 21% to 34% lower Mortality
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2011 UA/NSTEMI Guidelines : Special Population Section
REF: Circulation. 2011;123:000-000.
Consideration should be given to patient and family preferences, quality-of-life issues, end-of-life preferences, and sociocultural differences in older patients with UA/NSTEMI.
IIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIIIII IIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIIIIIaIIaIIaIIaIIaIIa IIbIIbIIbIIbIIbIIb IIIIIIIIIIIIIIIIII
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“What are the most important goals from the treatment of your heart disease?”
0
10
20
30
40
50
60
70
80
45-59 60-69 70-79 80+
Lengthen LifeMaintain Mental AbilityMaintain Independence
REF: Alexander ACC Abstract
Patient Age
% R
epor
ting
in T
op 3 N=626
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STEMI Reperfusion
REF: Bueno, EHJ 2010;54:25-33
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Conclusions Chronologic age ≠ biologic age
– Age 75 is cut point for altered paradigm of care– Comorbidities, altered physiology, function alter risk/benefit
Treatment recommendations similar….– Avoid errors of omission and commission– Dosing and delivery matter…perhaps more– Avoid hazards of hospitalization, transitions of care
Extending EBM to personalized care …– More representative trials– Best practice recommendations– Explicit discussions of patient goals for treatment– Transitions of Care, Goals of Care
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Corinth Canal: Isthmus 5 miles long between Greece and Peloponnesus
Older Adult
Cardiologist
OUTCOMES
COMORBIDITYCOMPLICATIONS
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Future Directions– Advance Science
• Adding Key data elements to large registry work• Comorbidity: non-cardiac issues that alter cardiac management• Physiology (Vascular Stiffness, HF NEF, Sinus node
dysfunction)• Genetics (Telomere length, genetic aging)
– Advance “Best Practice” and systems research• Drug Safety• Care models, collaboration• Transitions of care
– Broaden perspectives on goals of care• Functional Status and recurrent procedures