kusunose - stress echo · contractile reserve: 5% increase in ef j am socechocardiogr. 2017...
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![Page 1: Kusunose - Stress Echo · Contractile reserve: 5% increase in EF J Am SocEchocardiogr. 2017 Feb;30(2):101‐138. doi: 10.1016/j.echo.2016.10.016. Case 2 •72 y.o. female •With](https://reader033.vdocument.in/reader033/viewer/2022050514/5f9df0f772c98e2f064624a6/html5/thumbnails/1.jpg)
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Role of Stress Echoin Valvular Heart Disease
Kenya Kusunose, MD, PhD, FASETokushima University Hospital
Japan
ECHOHAWAII
January 15‐19, 2018
Not only ischemia!
Valvular Heart Disease
Cardiomyopathy
Pulmonary hypertension
Prosthetic Valve
Diastolic Dysfunction
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Not only ischemia!
Aortic regurgitation
Valvular Heart Disease
Aortic stenosis
Mitral regurgitation
Mitral stenosis
Case 1
• 68 y.o. male
• With a history of hypertension and mitral
regurgitation.
• He presented for a second opinion regarding
surgical management of mitral regurgitation.
• He had no symptom during any activities.
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Case 1
Case 1Moderate to severe MR TEE
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Case 1
Question 1
Your recommendation is…
1. Surgical MV repair2. Percutaneous MV replacement3. Anticoagulation therapy4. Stress echocardiography
• 68 y.o. asymptomatic male with moderate to severe MR
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Question 1
Your recommendation is…
1. Surgical MV repair2. Percutaneous MV replacement3. Anticoagulation therapy4. Stress echocardiography
• 68 y.o. asymptomatic male with moderate to severe MR
Baseline
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25W
50W (peak)
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Doppler
Pre Peak
SPAP: 37 mmHg SPAP: 60 mmHg
MR severity
Pre Peak
PISA radius: 6 mm PISA radius: 10 mm
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• Exercise induced pulmonary hypertension:
SPAP: 60 mmHg
• Significant increase in simple PISA radius
from 6 mm to 10 mm (Severe MR)
• Good contractile reserve: EF 62→74%
• Symptom was occurred during exercise.
Recommendation is…
Summary
Decision
Surgery (repair if low risk)
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2017 updated ACC/AHA Guideline
Nishimura RA et al. J Am Coll Cardiol. 2017 Jul 11;70(2):252‐289.
Stress Echocardiography and Mitral RegurgitationExercise ESVI and Post operative EF
Leung DY et al. J Am Coll Cardiol. 1996 Nov 1;28(5):1198‐205.
74 patients with severe MR who underwent exercise echocardiography and mitral valve surgery.
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Prognostic Importance of Exercise-Induced Changes in Mitral regurgitation
Lancellotti P et al. Circulation. 2003 Oct 7;108(14):1713‐7.
98 consecutive patients with MR who underwent exercise echocardiography.
No significant change in MR
Increase in MR
Increase in MR
0 24 480
20
40
60
80
100
Event-free survival (%)
Follow-up, months
Log-rank testP <0.001
12 36
PH (-) and RV dysfunction (-)
PH (+) andRV dysfunction (+)
Predictors of outcomes in Patients with MR undergoing exercise echocardiography
Kusunose K et al. Circ Cardiovasc Imaging. 2013 Mar 1;6(2):167‐76.
196 consecutive patients with moderate to severe MR who underwent exercise echocardiography.
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Mitral regurgitation
Cut offMR grade: an increase by ≥1 gradeSystolic pulmonary artery pressure: 60 mmHgContractile reserve: 5% increase in EF
J Am Soc Echocardiogr. 2017 Feb;30(2):101‐138. doi: 10.1016/j.echo.2016.10.016.
Case 2
• 72 y.o. female
• With a history of hypertension and mitral
stenosis.
• She presented for a second opinion
regarding management of mitral stenosis.
• She noted a slight fatigue.
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Case 2
Wall motion: normal
Mitral stenosis
MVA: 1.7 cm2
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Mitral stenosis
Mean PG: 5.7 mmHg SPAP: 33 mmHg
Question 2
Your recommendation is…
1. Cardiac CT2. Coronary angiography3. Cardiac MRI4. Stress Echocardiography
• 72 y.o. mild symptomatic female with moderate MS
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Question 2
Your recommendation is…
1. Cardiac CT2. Coronary angiography3. Cardiac MRI4. Stress Echocardiography
• 72 y.o. mild symptomatic female with moderate MS
Case 2
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Case 2Mean PG: 5.7 mmHg Mean PG: 14 mmHg
SPAP: 33 mmHg SPSP: 56 mmHg
Summary
• Exercise induced pulmonary
hypertension: SPAP: 56 mmHg
• Significant increase in MV gradient
from baseline of 6 to 14 mmHg
• No wall motion abnormality
• Symptom was not increased
Your recommendation is…
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Decision
• Carefully periodic monitoring
2017 updated ACC/AHA Guideline
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Mitral stenosis
Cut offMean pressure gradient: 15 mmHgSystolic pulmonary artery pressure: 60 mmHg
J Am Soc Echocardiogr. 2017 Feb;30(2):101‐138. doi: 10.1016/j.echo.2016.10.016.
Case 3
• 82 y.o. male
• With a history of aortic stenosis and
coronary artery disease (post PCI to LAD).
• He noted a fatigue.
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Case 3
LVEF: 25%
Case 3
RCC
NCC
LCC
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Case 3
Ao‐V: 3.0 m/sec
Mean PG: 24 mmHgAVA: 0.8 cm2
Stroke volume index: 34 ml/m2
Question 3
Your recommendation is…
1. AVR2. TAVI3. Exercise echocardiography4. Dobutamine echocardiography
• 82 y.o. mild symptomatic male with low gradient and low flow AS
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Question 3
Your recommendation is…
1. AVR2. TAVI3. Exercise echocardiography4. Dobutamine echocardiography
• 82 y.o. mild symptomatic male with low gradient and low flow AS
Chart
J Am Soc Echocardiogr. 2017 Feb;30(2):101‐138. doi: 10.1016/j.echo.2016.10.016.
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Dobutamine 20γ
EF: 30%Mean PG: 41 mmHgAVA: 0.82 cm2
Stroke volume index: 44 ml/m2
ΔSV: 23%
Case 3Pre Peak
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Chart
• Preserved contractile reserve:
SVi 34→42 ml/m2 (ΔSV>20%)
• True severe AS
Your recommendation is…
Summary
• 82 y.o. mild symptomatic male with low flow low gradient AS
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Decision
Intervention
(surgical AVR or TAVI)
Aortic stenosis (low gradient)
LV flow reserveTrue AS or pseud‐severe AS
J Am Soc Echocardiogr. 2017 Feb;30(2):101‐138. doi: 10.1016/j.echo.2016.10.016.
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Problem of AVA in low gradient AS
J Am Soc Echocardiogr. 2017 Feb;30(2):101‐138. doi: 10.1016/j.echo.2016.10.016.
Projected AVA
Clavel MA et al. JACC Cardiovasc Imaging. 2013 Feb;6(2):175‐83.
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Projected AVA
Yamada H. JACC Cardiovasc Imaging. 2014 Jul;7(7):641‐9.
Projected AVA
DOB‐AVAproj: 1.11 cm2
0.7
0.8
0.9
1
1.1
1.2
1.3
150 200 250
AVA (cm2)
Flow rate (ml/sec)
Rest
Baseline
Peakvelocity
LVOTflow
LVOTdiameter
DOB 20γ
DOB‐AVAproj
DOB
Kusunose K, et al. Circ Cardiovasc Imaging. 2017 Oct;10(10). pii: e006690.
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Projected AVA
LPP‐AVAproj: 1.08 cm2
Baseline
Peakvelocity
LVOTflow
LVOTdiameter
LPP
0.7
0.8
0.9
1
1.1
1.2
1.3
150 200 250
AVA (cm2)
Flow rate (ml/sec)
Rest
LPP LPP‐AVAproj
DOB
DOB‐AVAproj
Kusunose K, et al. Circ Cardiovasc Imaging. 2017 Oct;10(10). pii: e006690.
Projected AVA
Event free survival (%)
0
20
40
60
80
100
5 10 15 20 25
MonthsNumber at riskNF-LG
LF-LG
Low flow - low gradient
Normal flow - low gradient
p =0.18
47 43 33 21 7
32 28 20 14 9
0
20
40
60
80
100
5 10 15 20 25
MonthsNumber at riskAVAiproj ≥0.72
AVAiproj <0.72
Event free survival (%)
p <0.001 LPP-AVAiproj <0.72
LPP-AVAiproj ≥0.72
35 35 28 20 11
44 36 25 15 5
Kusunose K, et al. Circ Cardiovasc Imaging. 2017 Oct;10(10). pii: e006690.
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Management of Low gradient AS
Pibarot P, Clavel MA. Circ Cardiovasc Imaging. 2017 Oct;10(10). pii: e007035.
Management of Low gradient AS
Pibarot P, Clavel MA. Circ Cardiovasc Imaging. 2017 Oct;10(10). pii: e007035.
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Aortic regurgitation
Very few data in this field.
Contractile reserve (>5% change in LVEF)
J Am Soc Echocardiogr. 2017 Feb;30(2):101‐138. doi: 10.1016/j.echo.2016.10.016.
Take Home MessageStress echocardiography is…
• Documenting functional capacity
• Determining severity of valve disease
• Timing of intervention
• Determining Prognosis
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