valvular heart disease: assessment and timing of intervention · e. refer for tavi in mitral...
TRANSCRIPT
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Valvular Heart Disease: Assessment and Timing of
Intervention
Graham ColeConsultant Cardiologist
Imperial College Healthcare NHS Trust
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Honoraria received from Bayer
Acknowledgements:
Matt Shun-ShinNilesh Sutaria
Ben Ariff
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20% of EEGC questions
ValvularEndocarditisMyocardial DiseaseHeart Failure
+ Overlap with imaging (another 14%)+ Overlap with general (another 20%)
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Useful guidelines and (my favourite) papers
https://tinyurl.com/bjca-valves-2019
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Aims
Principles of assessmentAS, AR, MR, MSInterpreting dataManagement according to guidelinesHigh yield or challenging areasNew developments
All via “best of five” questions
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Basic Principles
before
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ASCommonest valve disease in UK.¼ over 65s have valve thickening. 3% over 75’s have severe AS.Chest pain / breathlessness / dizziness or syncope.Systolic murmur. Soft S2, slow rising pulse.
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Normal aortic valve
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Aortic stenosis : aetiologies
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Ross, Braunwald Circ 1968
11% p.a
13-4 %
17-12 %
Natural history
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1 A 71 year-old man with hypertension was referred to outpatients because of a murmur. He is asymptomatic, being able to run 5k.
An echocardiogram revealed good biventricular systolic function. IVSd was 10mm. The aortic valve was trileaflet and calcified with peak velocity 3.6m/s, velocity ratio 0.3, AVA 1.2cm2.
What is the most appropriate strategy?
A. No follow-up neededB. Follow up in 3 monthsC. Follow up in 6 monthsD. Follow up in 1 yearE. Refer for SAVR/TAVR
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Learn
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Learn
Mild or moderate
12 months
Asymptomaticsevere
6 months
Mild (no calcification)and young
2-3years
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2 A 79 year-old man with hypertension was referred to outpatients because of a murmur. He had no symptoms.
An echocardiogram showed LVEF 55%. The aortic valve was trileaflet and calcified with peak velocity 4.3m/s, velocity ratio 0.23, AVA 0.9cm2. BNP was 100pg/ml. He managed 4 minutes of ETT before stopping due to chest pain and fatigue.What is the most appropriate strategy?
A. Refer for SAVR/TAVR because of ETT findingsB. Refer for SAVR/TAVR because LVEF <60%C. Refer for SAVR/TAVR because of BNP resultD. Follow up in 6 monthsE. Follow up in 1 year
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Learn
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3 A 62 year-old man with hypertension and diabetes was referred to outpatients with fatigue and a murmur. He was unable to ETT satisfactorily due to a previous leg injury.
An echocardiogram showed LVEF 60%. The aortic valve was trileaflet and calcified with peak velocity 5.8m/s, velocity ratio 0.17, AVA 0.6cm2. BNP was 115pg/ml. What is the most appropriate strategy?
A. Refer for SAVR/TAVR because of hypertension & diabetesB. Refer for SAVR/TAVR because of peak velocityC. Refer for SAVR/TAVR because of BNP resultD. Follow up in 6 monthsE. Follow up in 1 year
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Learn“Excuses” for intervention in patients with asymptomatic severe AS with LVEF >50% who can’t exercisePeak >5.5m/sProgression >0.3m/s/yearNeurohormones >3 x ULNPASP > 60mmHg
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4 An 84 year-old woman with a long history of hypertension is seen with exertional breathlessness. Please review her echo images. Her indexed stroke volume is 29ml/m2.
What is the most likely diagnosis?
A. High gradient ASB. Low-flow low-gradient AS with reduced ejection fractionC. Low-flow low-gradient AS with preserved ejection fractionD. Moderate AS E. Hypertrophic cardiomyopathy
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Be aware of (!)
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Cardiac CT to Clarify Low-Flow Low-Gradient AS
Pseudo-severe severe
AVC >2000 malesAVC >1200 females
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5 A 77 year-old woman with diabetes, peripheral vascular disease and previous breast cancer treated with radiotherapy many years ago is found to have symptomatic severe AS. She had a PPCI to LAD two years ago.Echocardiography shows, in addition to severe AS, moderately impaired LV function with anteroapical akinesis and an apical thrombus. Coronary angiography shows the stent is widely patent with non-obstructive atheroma only.
All of the following favour TAVR over SAVR except:
A. AgeB. Previous radiotherapyC. Apical thrombusD. Euroscore II of 6%E. Porcelain aorta
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Learn TAVR vs SAVR
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6 A 92-year old man presents with increasing exertional breathlessness and dizziness on standing. An echocardiogram shows severe aortic stenosis with severe LVH. A CMR following late gadolinium administration is shown
A. This is isolated aortic stenosisB. He also has late onset HCMC. He also has triple vessel disease with
subendocardial infarctionD. The CMR was technically suboptimalE. He also has amyloid
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Marfans
Marfans
AR
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7
A 39 year-old woman who originally lived in Africa but came to the UK 5 years ago is noted by her GP to have a murmur. Please review the echocardiogram.
What is the most likely aetiology of her aortic regurgitation?
A. MarfansB. Infective endocarditisC. RheumaticD. DegenerativeE. Dilated aortic root
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8
A 73 year-old woman with hypertension was noted to have a murmur. She had no symptoms. Her aortic valve is trileaflet.Which LV measurements would be an indication for intervention?
A. LVEF 53%, LVEDD 65mm, LVESD 49mmB. LVEF 70%, LVEDD 72mm, LVESD 45mmC. LVEF 51%, LVEDD 60mm, LVESD 45mmD. The LV size isn’t an indicationE. It doesn’t matter because the AR isn’t
severe
Vena contracta=8mm
PHT = 190ms
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Learn
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Learn (ideally!)
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Definitely Learn
LVEF <50%
LVEDD >70mm
LVESD > 50mm
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9
The same lady is found to have an indication for an AVR. What is the threshold for the maximum size of her aorta above which aortic root replacement should also be considered?
A. 40mmB. 45mmC. 50mmD. 55mmE. 60mm
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Learn>45mm Marfan and “risk factors”
>50mm all Marfan
>50mm bicuspid with coarcation or “risk factors”
>55mm all others
(>45mm if needs surgery for aortic valve)
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10
A 45 year-old woman is seen with shortness of breath on exertion and is noted to have an enlarged aorta on CXR.Please review her CMR images.What is the best strategy?
A. Refer for AVR + root replacementB. Refer for AVR onlyC. Refer for root replacement onlyD. Follow up 6 monthsE. No follow up required
Regurgitantfraction 50%
49mm
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Learn>45mm Marfan and “risk factors”
>50mm all Marfan
>50mm bicuspid with coarctation or “risk factors”
>55mm all others
(>45mm if needs surgery for aortic valve)
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11
A. The AS was underestimated and is definitely severe
B. He has hypertrophic cardiomyopathy
C. He has as subaortic membraneD. He has an ASDE. He also has a coarctation
A 65 year-old man presents is seen with shortness of breath and chest tightness on exertion. His GP (and cardiologist) thought his echo would show severe AS. Peak velocity was 3.5m/s, but velocity index was 0.6 and valve morphology wasn’t consistent with severe AS. What is the explanation?
Planimetry 1.7cm2
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For bonus points…
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MR
Complex. Keep perspective.Main question –is it primary (i.e. a valve problem) or secondary to LV issue?
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Anterior leaflet
P2
P1 P3LAA
Aorta
Posterior leaflet
A1A2
A3
Anterolateral
Posteromedial
Surgeon’s view
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Distinguish between primary and secondary MR
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12
A. LAD territory infarctionB. Severe LVSDC. Acute prosthetic valve thrombosis
D. Perforated anterior mitral valve leaflet
E. Right heart dilatation due to PE
A 70 year-old man with a previous aortic prosthetic valve for severe AS four years ago presents to the ED with acute breathlessness and hypotension. What cause is demonstrated in the echo?
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13
A. LVEF 55%B. LVESD 46mmC. Recent diagnosis of AF
D. PASP 52mmHgE. LVEDD 63mm
A 58 year old man is seen with a murmur but no symptoms. His echocardiogram is shown below. All of the following are indications for intervention except?
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LearnPRIMARYEssentiallySymptoms as long as not heart failure
If asymptomatic, ”find an excuse”- LVEF <60%- LVESD > 45mm- New AF- SPAP > 50mmHg- Fudge factors (risk vs benefit)
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Spectrum of degenerative mitral valve disease (Reproduced, with permission, from Castillo et al 15). + rarely found++frequently found +++ most frequently found.
Gonçalo F Coutinho, and Manuel J Antunes Heart 2017;103:1663-1669
Copyright © BMJ Publishing Group Ltd & British Cardiovascular Society. All rights reserved.
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61 year-old female with long-standing murmur and increasing breathlessness
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14
A. Severe annular dilatation (55mm)B. Large central jet of MRC. Minimal excess tissueD. P2 prolapseE. Extensive calcification
A 61 year-old woman with severe MR due to degenerative valvular disease is referred for mitral valve surgery.Which of the following makes a successful repair (avoiding replacement) more likely?
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Be aware of (!)
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15
A. Previous anterior MIB. Previous posterior MIC. Barlow’s
D. Perforated posterior leafletE. Dilated cardiomyopathy
A 52 year-old man with diabetes presents with shortness of breath and is noted to have a murmur. Review the echocardiogram images below. What is the most likely cause of his mitral regurgitation?
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16
A. Uptitrate medical therapyB. Refer for CRT-DC. Refer for mitral valve surgery
D. Refer for transplantationE. Refer for TAVI in mitral position
A 52 year-old man with diabetes and previous PCI complains of worsening exertional breathlessness. An echocardiogram shows LVEF 31% with posteriorly-directed MR with a dominant E-wave (1.6m/s) and evidence of systolic flow reversal in the pulmonary veins. Angiography shows atheromatousbut unobstructed arteries with patent stents. ECG shows LBBB. BNP is 900. BP is 136/72. P 80/min and regular. He takes ramipril 1.25mg od, bisoprolol 2.5mg od, aspirin 75mg od and furosemide 20mg od. What is the most appropriate next step?
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LearnSECONDARY
If having CABG
If LVEF <30% and needs revascularisation of viable territories
If LVEF >30% and “everything else has been done” and you can persuade a surgeon
If LVEF <30% and “everything else has been done” and you can really persuade a surgeon
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For bonus points…
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17
A. PMC because MVA is >1cm2
B. MVR because no LA thrombusC. MVR because of age
D. MVR because of MV calcificationE. PMC because of AF
A 41 year-old woman who came to the UK six years ago complains of shortness of breath and chest pain on exertion. On examination her pulse is irregularly irregular with a rate of ~80/min.Echocardiography shows MVA 1.4cm2, severe bicommissuralcalcification and mild aortic stenosis. There is no left atrial thrombus. Which of the following is the best strategy and why?
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Learn
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Revision
AS
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Revision
AR
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Revision
PrimaryMR
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Revision
MS
![Page 57: Valvular Heart Disease: Assessment and Timing of Intervention · E. Refer for TAVI in mitral position. A 52 year -old man with diabetes and previous PCI complains of worsening exertional](https://reader036.vdocuments.us/reader036/viewer/2022071214/60428462bced6260a46120b0/html5/thumbnails/57.jpg)
If you get stuck
Triggers for intervention
1. Severe lesion + symptoms2. Moderate lesion + another reason for cardiac surgery3. Severe lesion without symptoms + evidence of damage to rest of heart
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Summary
Curriculum is hugeYou’re all busyYou can’t learn absolutely everything A little of everything is better than everything about only somethingIf you were setting questions – what would you write?
Learn the flow charts for interventions