Vascular Healthcare Focused on Evolving Issues
Transcript of Vascular Healthcare Focused on Evolving Issues
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Vascular Healthcare
Focused on Evolving Issues
울산의대
서울아산병원
심장병원
심장내과
이철환Where did the first life come from?(Universal common ancestor (oldest fossils-3.5 billion years)
1837
횡설수설울산의대
서울아산병원
심장병원
심장내과
이철환
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Why Atherosclerosis Matter?
Statins: Riddle to Magic Pill
Goodbye to Old Solutions
Unsettled Issues
PCI and Vascular Health
Presentation
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0
20
40
60
80
100
120
140
암 뇌혈관 심장질환 당뇨 사고
2008년
한국인 5대 사망원인
Causes of Death Worldwide, 2008
A top healthcare priority
사망/인구10만
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유전vs.
환경
The origin of sexual reproduction is still a hot topic
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10 Year CHD Risk in Korean Men
Using FHS Functions, 30-74
0
0.05
0.1
0.15
0.2
0.25
0.3
1 2 3 4 5 6 7 8 9 10
Predicted Acutal%
Korean Heart Study, 2010N=433,745 ; 19 centers
FHS: Framingham Heart Study10-year probability: Men (3 women); Men (1/10 USA), Women (1/7 USA)
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NEJM2000:343;78
Site of Cancer
Colorectum
Breast (women)
Prostate
Monozygotic
0.11
0.13
0.18
Dizygotic
0.05
0.09
0.03
Concordance Rates in Twins of an Affected Person up to the Age of 75 Years (44,788 pairs)
Inherited genetic factors make a minor contribution to susceptibility to most types of neoplasms.
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Postgrad Med J 2008;84:100
A pair of monozygotic identical twins presenting near simultaneously with CAD and identical atherosclerotic lesions despite significant differences in environmental risk factors & being divided geographically by 12 000 miles (England, Malaysia; 46/M).
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36-55 56-65 66-75 76-85 86 years
CHD Death (Hazard Ratio)
NEJM1994:330;1041
Relative Hazard of CHD Death in Subjects
according to the Age of Their Twins at CHD Death
N=21,004 Swedish twins
26 years follow-up
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Circulation 2005;111:855
The most hazardous localizations, like left main or proximal disease, display a high heritability.
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Like Father, Like Son Y-chromosome Variant May Explain CAD
Carriers of one haplogroup I had about a 50% higher age-adjusted risk of CAD than did
men with other Y chromosome lineages. Specifically, in the BHF study, the odds ratio was
1.75 (p=0.004); in WOSCOPS it was 1.45 (p=0.012); and in a joint analysis of both
populations it was 1.56 (p=0.0002). Lancet 2012 (in press)
No Hope for Y’s Future
Y So Lonely!Scientists theorize that the X and Y chromosome started
out with about the same amount of genes -- about 1,000.
Today, the Y chromosome has less than 80 genes.
End of Sexual Reproduction
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Why Atherosclerosis Matter?
Statins: Riddle to Magic Pill
Goodbye to Old Solutions
Unsettled Issues
PCI and Vascular Health
Presentation
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P2Y12 receptor: clopidogrel, prasugrel, ticagrelor
HMGCoA reductase: statins
Two Great Drugs
Kingof CV Medicine
Statins and Anti-platelet Agents
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Unsupportive
trials
Supportive
trials
Mea
n a
nn
ual
cita
tion
s
100
10
1
BMJ 1992;305:15-19
Cholesterol Lowering Trials before Statin Era
Lowering serum cholesterol
concentrations does not reduce
mortality and is unlikely to
prevent coronary heart disease.
The initial road to cholesterol treatments was rather bumpy.
1898
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Revolution
Lancet 1994;344:1383
15
10
5
00 1 2 3 4 5 6
Years since randomization
Pro
po
rtio
n o
f p
atie
nts
dea
d
placebo
simvastatin
30%risk reduction
p = 0.0003
Pre-S & S Era 4S
King of CV Medicine
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Heart Protection Study
0.4 0.6 0.8 1.0 1.2 1.4
Baseline
Feature
LDL (mg/dl)
< 100 (2.6 mmol/l)
100 < 130
130 (3.4 mmol/l)
ALL PATIENTS
STATIN
(10269)
285
670
1087
2042
(19.9%)
PLACEBO
(10267)
360
881
1365
2606
(25.4%)
Risk ratio and 95% CI
STATIN better STATIN worse
Lancet 2002:360:7
n=20,536
40-80 y
Every patients with atherosclerosis has
LDL-C that is too high for him or her.
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“seemingly healthy people”normal LDL-C & high CRP
N=17,802 1.9 years follow-up
Rosuvastatin 20mg/d Vs. Placebo
JUPITER Trial
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No doubt, it is definitively positive!
Primary endpointSecondary endpoints
CV Death/MI/StrokeTotal deathMyocardial infarctionStroke
44% ↓
47% ↓20% ↓54% ↓48% ↓
Relative Risk
LDL 50%
CRP 37%
Fling toJUPITER
A home run
for the public health!
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Statin is Anti-atherosclerotic Drug!
So Luxurious …
Clinical End-Point Trials: “The Only One_Statin Trials”AFCAPS/TexCaps, WOSCOPS, ALLHAT, CARE, LIPID, PROSPER, 4S, HPS, A-to-Z, MIRACL, CARDS, PROVE-IT, ALLIANCE, 4D, ASCOT-LLA, IDEAL, TNT, SPARCL, AURORA, CORONA, GISSI-HF, JUPITER, SEAS, SHARP, IMPROVE-IT (ongoing).
Landmark Statin Trials
Save life!: The only proven medicine in 1 & 2 prevention
…the only proven medicine
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Statin Benefits, Why?
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Expression of HMG-CoA Reductase in Human Coronary Atherosclerotic Plaques & Relationship to Plaque Destabilization
MacrophagesHMGCo-A R
FilipinHMGCo-A R
UA
SA
HMGCo-A R
HMGCo-A R
UA
UA
Heart 2011;97:715-20
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Why Atherosclerosis Matter?
Statins: Riddle to Magic Pill
Goodbye to Old Solutions
Unsettled Issues
PCI and Vascular Health
Presentation
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Primary prevention
Vit E
Vit C
Folate/B6,12
Multivit
Vitamins Therapy
Secondary prevention
PHSII (n=14,641)
PHSII (n=14,641)
PHSII (n=14,641)
PHSII (n=14,641)
HOPE (n=9,541)
HPS (n=20,536)
NORVIT (n=3,749)
SEARCH (n=12,064)
Vitamins under fire!Class IIIA recommendation
“Potential Harm, No Benefit”
It’s time to forget about the saying“a vitamin a day keeps heart attack/cancer away”
Medical decisions should be guided by"science, and not by strongly held opinion”.
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Circulation 2010;122:2152-2159
OMEGA, a Randomized, Placebo-Controlled
Trial to Test the Effect of Omega-3 FA After MI
Guideline-adjusted treatment of AMI results in a low rate of SCD and other clinical events within 1 year of F/U, which could not be shown to be further reduced by the application of omega-3 fatty acids.
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The Greater Truth:Just a hollow weapon
Fenofibrate did not significantly reduce the risk of the primary outcome of coronary events.
Long-term Fenofibrate Therapy on CV Events in 9,795 Pts with Type 2 DM: FIELD Study
Lancet 2005;366:1849
Improves the lab findings, but harms the patients
80% power to detect a 22% reduction
0 1 2 3 4 5 6
5
0
10
15 CHD events (non-fatal MI plus CHD death)
Cu
mu
lati
ve
risk
(%
) Placebo
Fenofibrate
HR 0.89(95% CI 0.75-1.05), p=0.16
0 1 2 3 4 5 6
5
0
10
15 Coronary revascularization
HR 0.79(95% CI 0.68-0.93); p=0.003
Number
Population
Drug
CHD events
Mortality
15,745
1
C
-20
30
WHO CDP HHS VA-HIT BIP
1,103
2
C
-9
-4
4,081
1
G
-34
7
2,560
2
G
-22
-11
3,090
2
B
-9
0.5
LEADER
1,568
2
B
-19
3
FIELD
9,775
1
F
-11
11
B: bezafibrate, C: clofibrate, F: fenofibrate, G: gemfibrozil
We have to think why we treat diabetes patients. It is not to lower a number for triglyceride in a test tube, but to reduce complications!
Summary of the Fibrate Trials
Effects of Combination Lipid Therapy
in Type 2 DM ACCORD Trial - Lipid Arm
N=5,518
LDL<180 mg/dl
HDL<50 mg/dl
TG<750 mg/dl
1 endpoint (4.7 years):CV death/MI/stroke
Market 1.3billion$Fenofibrate - since 1974- It lowers TG, but no evidence that lowering TG affects outcomes
TIDE trial (2015: rosiglitazone vs pioglitazone vs placebo), >50 PPAR agonists failed (regulate TF & influence >100 genes)
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HDL-Targeted Therapies
Futile Strategies?
Estrogen (↑15%): WHI trial
Fibrates (↑15%): ACCORD Lipid trial
Nicotinic acids (↑20%)Extended release niacin: AIM-HIGH trialTredaptive (nicotinic acid/laropiprant) : HPS-2 trial
CETP inhibitors (↑30%-140%)Torcetrapib: Illuminate trial (↑death: discarded) Anacetrapib: Define trial (safe), HPS-3 (REVEAL) trialDalcetrapib: Dal-Outcomes trial
We have reached the limit of what we can do by lowering LDL-C?.
The Story So Far …
high-risk project
15,871 Recent ACS↑HDL 31-40%, ↑0.6mmHg
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HPS2-THRIVE: Randomized placebo-controlled trial of
ER niacin & laropiprant in 25,673 pts with CV disease
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lost its shine but not its worth. Things May Not Be as They Seem
Here today, gone tomorrow!
ACEI
Estrogen
Fibrate
Folate/B6,12/C,E
Glitazone
Omega-3*
Nicotinic acid
Yes
No
No
No
No
Probable
Yes
No
-
No
No
No
No
No
Without Statin With Statin
*Statin: GISSI-Prevention (5%, Lancet 1995;354:447), -Omega trial (85%, NEJM 2010 on line)
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Why Atherosclerosis Matter?
Statins: Riddle to Magic Pill
Goodbye to Old Solutions
Unsettled Issues
PCI and Vascular Health
Presentation
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연구팀은
종교인이 장수하는 이유로
가족관계로 인한
스트레스가 적고 과욕이
없으며 규칙적인 활동과
정신수양, 절식, 금연,
금주의 실천 등이라고
분석했다.
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To E or
Not to E
A dietary intervention that reduced total fat intake and increased intakes of vegetables, fruits, and grains did not significantly reduce the risk of CHD, stroke, CVD or breast, colorectal cancer in postmenopausal women (no beneficial or adverse effects of the dietary changes)
48,835 postmenopausal women
aged 50 to 79 years
JAMA 2006;295:655
LDL-C 2.7mg/dl ↓
DBP 0.31mmHg ↓
HDL, TG, glucose, insulin: no change
MI, CHD Death, or Revasoularization
Cu
mu
lati
ve
Ha
zard
Time, y
Unnecessary concern!
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Atherosclerosis was noted in 34% of 137 mummiesin in 4 preindustrial populations, suggesting that it is an inherent component of human ageing & not characteristic of any specific diet or lifestyle..
Lancet 2013 (on line)
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ECAD (Eliminate Coronary Artery Disease) Trial
Objective:
To determine whether pharmacologic lowering of serum LDL-C, initiated in healthy middle-aged adults, can “eliminate”, or markedly reduce, all cause mortality, myocardial infarction (MI), or coronary revascularization.
Comparison: Standard therapy vs. standard therapy + Lipitor 40 mg daily
Target Study Population: 15,000 patients
• Men 35-50 years of age
• Women of non-child bearing potential, 35-59 years of age
• No prior history of CVD
• One additional risk factor (hypertension, family history of premature coronary atherosclerosis, smoking, or diabetes)
• LDL-C from 70 mg/dL (3.9 mmol/L) to the minimum LDL-C for which the current ACC/AHA Guidelines recommend pharmacologic treatment in the presence of a single additional risk factor
Primary Endpoint: Composite of death, MI or coronary revascularization
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Why Atherosclerosis Matter?
Statins: Riddle to Magic Pill
Goodbye to Old Solutions
Unsettled Issues
PCI and Vascular Health
Presentation
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Therapeutic Approach
Revascularization
- stenting/bypass surgery
Infarct prevention
- medical treatment
The misconception: Coronary intervention of a coronary stenosis is “prevent an impending heart attack”
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PCI/CABG
Beginning of the road……
I Fixed You?
Circulation 2001;103:2705
The Wall Disease, Not Lumen..
0
10
20
30
40
50
60
70
<50% 50-70% >70%
Low grade stenoses cause most infarctions
You can’t find itYou can treat it!
“Vulnerable Plaque”
(death/MI/revascularization)
(CV death/target vessel MI/TLR)
Lancet2011;377:1241
RESOLUTE All Comers Trial(n=2292)
Target-vessel MI: 4.6%Non-target-vessel MI: 0.65%
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…the only proven medicine
How to Beat It?
Just Statin It!Disease-Based Approach
1991
LADLCX
RCA
stent
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Trials have shown reductions in cardiovascular events of 30~40% with the use of a statin.
For most healthy people, the data show that statins do not prevent heart disease.
United Stain of America?
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Trends in the USA: CABG Down, PCI Stable
JAMA 2011;305:1769
CABG: 38%
POBA
BMS DES
Revascularization: 12%/year (2001-2008)
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감사합니다.…born to love statinMy Personal Note
Hope Through Research
People start life with clean arteries, live with atherosclerosis and die of acute vascular events.