Valvular Heart Disease: Assessment and Timing of Intervention. Graham Cole Consultant Cardiologist Imperial College Healthcare NHS Trust
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1 Valvular Heart Disease: Assessment and Timing of Intervention Graham Cole Consultant Cardiologist Imperial College Healthcare NHS Trust
2 Disclosures: Speaker fee: Bayer Acknowledgements: Matt Shun-Shin Nilesh Sutaria Ben Ariff
3 20% of EEGC questions Valvular Endocarditis Myocardial Disease Heart Failure + Overlap with imaging (another 14%) + Overlap with general (another 20%)
4 Useful guidelines and (my favourite) papers
5 Aims Principles of assessment AS, AR, MR, MS Interpreting data Management according to guidelines High yield or challenging areas New developments All via best of five questions
6 AS Commonest valve disease in UK ¼ over 65s have valve thickening, 3% over 75s have severe AS Chest pain / breathlessness / dizziness or syncope Systolic murmur, soft S2, slow rising pulse
7 Normal aortic valve
8 Natural history 11% p.a 13-4 % % Ross, Braunwald Circ 1968
9 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 1.2cm 2. What is the most appropriate strategy? A. No follow up needed B. Follow up in 3 months C. Follow up in 6 months D. Follow up in 1 year E. Refer for SAVR/TAVR
10 Learn
11 Learn Asymptomatic severe Mild or moderate Mild (no calcification) and young 6 months 12 months 2-3 years
12 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 0.9cm 2. 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 findings B. Refer for SAVR/TAVR because LVEF <60% C. Refer for SAVR/TAVR because of BNP result D. Follow up in 6 months E. Follow up in 1 year
13 Learn
14 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 0.6cm 2. BNP was 115pg/ml. What is the most appropriate strategy? A. Refer for SAVR/TAVR because of hypertension & diabetes B. Refer for SAVR/TAVR because of peak velocity C. Refer for SAVR/TAVR because of BNP result D. Follow up in 6 months E. Follow up in 1 year
15 Learn Excuses for intervention in patients with asymptomatic severe AS with LVEF >50% who can t exercise Peak >5.5m/s Progression >0.3m/s/year Neurohormones >3 x ULN PASP > 60mmHg
16 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/m 2. What is the most likely diagnosis? A. High gradient AS B. Low-flow low-gradient AS with reduced ejection fraction C. Low-flow low-gradient AS with preserved ejection fraction D. Moderate AS E. Hypertrophic cardiomyopathy
17 Be aware of (!)
18 Cardiac CT to clarify low-flow low-gradient AS Pseudo-severe Severe AVC >2000 males AVC >1200 females
19 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. Age B. Previous radiotherapy C. Apical thrombus D. Euroscore II of 6% E. Porcelain aorta
20 Learn TAVR vs SAVR
21 AR Marfans Marfans
22 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. Marfans B. Infective endocarditis C. Rheumatic D. Degenerative E. Dilated aortic root
23 8 Vena contracta = 8mm PHT = 190ms 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 49mm B. LVEF 70%, LVEDD 72mm, LVESD 45mm C. LVEF 51%, LVEDD 60mm, LVESD 45mm D. The LV size isn t an indication E. It doesn t matter because the AR isn t severe
24 Learn
25 Learn (ideally!)
26 Definitely learn LVEF <50% LVEDD >70mm LVESD > 50mm
27 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. 40mm B. 45mm C. 50mm D. 55mm E. 60mm
28 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)
29 10 49mm Regurgitant fraction 50% 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 replacement B. Refer for AVR only C. Refer for root replacement only D. Follow up 6 months E. No follow up required
30 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)
31 11 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 A. The AS was underestimated and is definitely severe B. He has hypertrophic cardiomyopathy C. He has as subaortic membrane D. He has an ASD E. He also has a coarctation
32 MR Complex Keep perspective Main question is it primary (i.e. a valve problem) or secondary to LV issue?
33 Distinguish between primary and secondary MR
34 13 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? A. LVEF 55% B. LVESD 46mm C. Recent diagnosis of AF D. PASP 52mmHg E. LVEDD 63mm
35 Learn PRIMARY Essentially Symptoms as long as not heart failure If asymptomatic, find an excuse - LVEF <60% - LVESD > 45mm - New AF - SPAP > 50mmHg - Fudge factors (risk vs benefit)
36 Spectrum of degenerative mitral valve disease (Reproduced, with permission, from Castillo et al 15). + rarely found++frequently found +++ most frequently found. Copyright BMJ Publishing Group Ltd & British Cardiovascular Society. All rights reserved. Gonçalo F Coutinho, and Manuel J Antunes Heart 2017;103:
37 61 year old female with long-standing murmur and increasing breathlessness
38 14 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? A. Severe annular dilatation (55mm) B. Large central jet of MR C. Minimal excess tissue D. P2 rather than A2 prolapse E. Extensive calcification
39 Be aware of (!)
40 15 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? A. Previous anterior MI B. Previous posterior MI C. Barlow s D. Perforated posterior leaflet E. Dilated cardiomyopathy
41 16 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 atheromatous but 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? A. Uptitrate medical therapy B. Refer for CRT-D C. Refer for mitral valve surgery D. P2 rather than A2 prolapse E. Calcification
42 Learn SECONDARY 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
43 For bonus points
44 17 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 1.4cm 2, severe bicommissural calcification and mild aortic stenosis. There is no left atrial thrombus. Which of the following is the best strategy and why? A. PMC because MVA is >1cm 2 B. MVR because no LA thrombus C. MVR because of age D. MVR because of MV calcification E. PMC because of AF
45 Learn
46 Revision AS
47 Revision AR
48 Revision Primary MR
49 Revision MS
50 If you get stuck Triggers for intervention 1. Severe lesion + symptoms 2. Moderate lesion + another reason for cardiac surgery 3. Severe lesion without symptoms + evidence of damage to rest of heart
51 Summary Curriculum is huge You re all busy You can t learn absolutely everything A little of everything is better than everything about only something If you were setting questions what would you write? Learn the flow charts for interventions
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