medical management of lv aneurysm and subsequent cardiac ... · cardiac remodeling in heart failure...
TRANSCRIPT
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Medical management of LV
aneurysm and subsequent cardiac
remodeling: is it enough?
J. Parissis
Attikon University Hospital
Athens, Greece
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Disclosures
• Grants: ALARM investigator received research
grants by Abbott US and Orion Pharma
• Horonaria: received horonaria for advisory
boards and lectures from Novartis, Pfizer,
Menarini and Servier
• Journals: Associate Editor of EJHF
• ESC HF GLs: Member of task force
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LV aneurysm: Main Clinical
Consequences
- Cardiac remodeling- Systolic cardiac dysfunction
-Ischemia/ Angina
-Thromboembolic events
(LV thrombus formation)
-Arrhythmias
(ventricular tachycardias, sudden death)
-Cardiac rupture
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LV aneurysm: Main diagnostic
approaches
-Physical examination
-ECG
-Chest X rays
-ECHO (2-D, contrast, TEE)
-Radionuclide ventriculography
-Angiography
-MRI
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The Influence of Apical Aneurysm on Left Ventricular
Geometry and Clinical Outcomes: 3-Year Follow-Up
Using Echocardiography
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Molecular and structural basis of
cardiac remodeling in heart failure
• CARDIAC INSULT
pressure overload
hypoxia, ischemia,
infection
• MEDIATORS
Increased wall stress
sub-endocardial ischemia
neurohormonal activation
cytokines/oxidative stress
iNOS expression
• MOLECULAR/CELLULAR
alterations in cardiomyocyte biology
cardiomyocyte loss (apoptosis, necrosis, auto-phagocytocis)
alterations in ECM turnover
• STRUCTURAL/ FUNCTIONAL
myocyte hypertrophy
myocyte slippage
cardiac fibrosis
cardiac dilatation
systolic/diastolic dysfunction
Jugdutt BI. Circulation . 2003; 108:1395-1403.
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Neurohormonal model of HF
Ventricular remodeling
• Neurohormonal activation
– RAAS, SNS
• Increased cytokine
expression
• Immune and
inflammatory changes
• Altered fibrinolysis
• Oxidative stress
• Apoptosis
• Altered gene expression
• Energy starvation
Injury to myocytes and extracellular matrix
Electrical, vascular, renal,
pulmonary muscle, and other effects
Heart failureMcMurray J, et al. Circulation. 2002;105:2099-106.
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Initial Infarct Infarct Expansion
(hours to days)
Global Remodeling
(days to months)
Remodeling following MI
Modified from Jessup M, et al. N Engl J Med. 2003;348:2007-18.
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Left ventricular (LV) remodeling after transmural anteroseptal myocardial infarction (MI):2D echocardiographic evaluation at 1 week and 3 months.
St John Sutton MG, et al. Circulation. 2000;101:2981-2988
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0.6
0.7
0.8
0.9
1.0
0 20 40 60 80 100
Months after infarction
EDV > 101 ml/m2
EDV < 101 ml/m2
Su
rviv
ors
hip
Adapted from Gaurdon P, et al. J Am Coll Cardiol. 2001; 38(1):33-40.
LV remodeling:
Independent determinant of post-MI survival
N = 37
N = 97
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Treatment of remodelling
Established
• Accepted approaches
(Improve prognosis)
• ACEi (or ARBs) or ARNI
• Beta blockers
• Aldo antagonists
• Ivabradine
• CRTs
• Revascularization in cases
with viable cardiac tissue
• Exercise training?
Questionable/Future
Individualised therapy
– BNP guided therapy?
– Pharmacogenetics?
Pharmacological interventions
– MMP inhibition ?
– Anabolics ?
Cell technology
– manipulation of healing
LVADs (plus drugs)
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Evidence-Based Treatment for Heart
Failure with Reduced LVEF
Control VolumeReduce Mortality
Sodium Restriction*
Diuretics*
Digoxin*
-Blocker
ivabradine
ACEI
or ARB or
LCZ696
MRAs
Treat Residual SymptomsCRT
an ICD*Hyd/ISDN*
*For select indicated patients.
ICD*
Treat Comorbidities
Aspirin*
Warfarin*
Statin*
Enhance Adherence
Education
Disease Management
Performance Improvement Systems
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Angiotensin Converting Enzyme
Inhibitor Effects on Ventricular Volumes
J A C C : C A R D I O V A S C U L A R I M A G I N G , V O L . 4 , N O . 1 , 2 0 1 1
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Effects of Carvedilol on Left Ventricular Remodeling After
Acute Myocardial Infarction
The CAPRICORN Echo Substudy
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Mineralocorticoid Receptor Antagonists
(MRAs) in Heart Failure
Months
0
20
10
363024181260
Total Mortality 15% RR, P=0.008
Eplerenone
Placebo
EPHESUS (LVSD + HF after MI)Pitt B, Remme W, Zannad F, et al. N Engl J Med. 2003
1.00
0.90
0.80
0.70
0.60
0.50
0.400 6 12 18 24 30 36
Placebo
Spironolactone
Survival30% RR , P < 0.001
Months
RALES (LVSD, CHF severe symptoms)Pitt B, Zannad F, Remme WJ, et al. N Engl J Med. 1999
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EPHESUS:
Cardiovascular death / hospitalizationZannad F, Ali A, Filippatos G, et al. Eur J Heart Fail 2010
Early initiation Late initiation
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EPHESUS: Eplerenone Reduced SuddenCardiac Death by 37% at 30 days
37%C
um
ula
tiv
e In
cid
ence
(%
)
Sudden cardiac death
RR=0.63 (95% CI, 0.40-1.00)
Pitt et al. JACC 2005;46;425-431
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
0.9
1.4
Eplerenone
Placebo
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Mineralocorticoid Receptor Antagonists Modulate Galectin-3 and
Interleukin-33/ ST2 Signaling in Left Ventricular Systolic
Dysfunction After Acute Myocardial Infarction
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Anti-remodelling effect of canrenone in patients with mild
chronic heart failure (AREA IN-CHF study)
Boccanelli A et al. Eur J Heart Fail 2009;11:68-76
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SHIFT:Effect of ivabradine on primary outcome
(CV death or HF hospitalization)
0 6 12 18 24 30
40
10
0
Hazard ratio=0.76
P<0.0001
Pa
tie
nts
with
prim
ary
co
mp
osite e
nd
po
int (%
)
Time (months)
20
30
Placebo
Ivabradine
Böhm M, et al. Clin Res Cardiol. 2012 ;102:1-12.
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Impact of Ivabradine on Inflammatory
Markers in Chronic Heart Failure
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Cardioprotective Effect of LCZ696
(sacubitril/valsartan) After Experimental
Acute Myocardial Infarction
ESC congress 2017, Barcelona, Spain
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Cardioprotective Effect of LCZ696
(sacubitril/valsartan) After Experimental
Acute Myocardial Infarction
ESC congress 2017, Barcelona , Spain
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Targeting Fibrosis for the Treatment of Heart Failure: A Role for
Transforming Growth Factor-β
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Hydrogel anti-fibrotic interventions
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Reverse remodeling in CRT trials
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The three components of the Virchow's triad in left ventricular
thrombus formation.
Ronak Delewi et al. Heart 2012;98:1743-1749
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Sensitivities and specificities of different
diagnostic modalities for the detection of left
ventricular thrombus formation
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Left ventricular (LV) thrombus formation on delayed
gadolinium contrast cardiac MRI and transthoracic
echocardiography.
Ronak Delewi et al. Heart 2012;98:1743-1749
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Conditions that increase the risk of
systemic embolization in patients
with LV thrombus are:
(1)severe congestive heart failure,
(2) diffuse LV dilatation and systolic dysfunction,
(3) previous embolization,
(4) advanced age,
(5) presence of LV protruding or mobile thrombi
(6) presence of AF
Ronak Delewi et al. Heart 2012;98:1743-1749
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WARFARIN ANTI-PLATELETS
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Summary- main interventions (I)
Medical treatment should contain:
• ACEi or ARBs or ARNI
• Beta blockers
• MRAs
• Ivabradine (in selected pts)
• ICD/CRT (in selected pts)
• Amiodarone (in selected pts)
• Anti-coagulant therapy (in the presence of thrombus and/or
history of embolic events and/or AF)
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Summary- main interventions (II)
Surgical treatment should be considered:
In Large LV aneurysms / pseudoaneurysms
In progressive cardiac remodeling despite OMT
In LV aneurysms with recurrent severe arrhythmias (resistant to
drugs)
In LV aneurysms and recurrent embolic events despite medical
therapy