esus: embolic strokes of undetermined source Γεώργιος Ντάιος Παθολογική...
TRANSCRIPT
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ESUS: Embolic Strokes of Undetermined Source
Γ ε ώ ρ γ ι ο ς Ν τ ά ι ο ς
Π α θ ο λ ο γ ι κ ή Κ λ ι ν ι κ ή , Π α ν ε π ι σ τ ή μ ι ο Θ ε σ σ α λ ί α ς
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TOAST classification
Adams. Stroke 1993
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TOAST classification
?
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Cryptogenic stroke: not rare
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Cryptogenic stroke: not innocent
Ntaios, Vemmos. Eur J Neurol. 2014; 21:1108-14
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Cryptogenic stroke: what actually do you mean?
Cryptogenic
Not investigated Multiple causes Really cryptogenic
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Hart. Lancet Neurol 2014; 13: 429–38
ESUS: Embolic Strokes of Undetermined Source
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ESUS: Embolic Strokes of Undetermined Source
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ESUS: potential causes
Hart. Lancet Neurol 2014; 13: 429–38
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ESUS: diagnostic criteria
Hart. Lancet Neurol 2014; 13: 429–38
Stroke detected by CT or MRI that is not lacunar.
Absence of extracranial or intracranial atherosclerosis causing >50% luminal stenosis in arteries supplying the area of ischemia.
No major-risk cardioembolic source of embolism (permanent or paroxysmal AF, sustained atrial flutter, intracardiac thrombus, prosthetic cardiac valve, atrial myxoma or other cardiac tumours, mitral stenosis, recent (<4 weeks) MI, LVEF<30%, valvular vegetations, or infective endocarditis).
No other specific cause of stroke identified.
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ESUS: diagnostic algorithm
Hart. Lancet Neurol 2014; 13: 429–38
Brain CT or MRI
12-lead ECG
Precordial echocardiography
Imaging of both extra- and intracranial arteries supplying the area of brain ischemia
Cardiac monitoring for ≥24hours with automated rhythm detection
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Sanna. N Engl J Med 2014;370:2478-86
CRYSTAL-AF
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12.4% vs. 2.0%
30.0% vs. 3.0%
CRYSTAL-AF: the more you look, the more you find
Sanna. N Engl J Med 2014;370:2478-86
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EMBRACE: the more you look, the more you find
Gladstone. N Engl J Med 2014;370:2467-77
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Gladstone. N Engl J Med 2014;370:2467-77
EMBRACE: the more you look, the more you find
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EMBRACE: the more you look, the more you find
Gladstone. N Engl J Med 2014;370:2467-77
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ESUS in the Athens Stroke Registry
Ntaios, Vemmos. Stroke 2015; 46:176-81
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Ntaios, Vemmos. Stroke 2015; 46:176-81
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Mitral valve Myxomatous valvulopathy with prolapse 5 (1.8%)Mitral annular calcification 8 (2.9%)
Aortic valve Aortic valve stenosis 3 (1.1%)Calcific aortic valve 12 (4.4%)
Non-atrial fibrillation atrial dysrhythmias and stasis Atrial asystole and sick-sinus syndrome 3 (1.1%)Atrial high-rate episodes 7 (2.6%)Atrial appendage stasis with reduced flow velocities or spontaneous echodensities 6 (2.2%)
Atrial structural abnormalities Atrial septal aneurysm 10 (3.6%)Chiari network 0
Left ventricle Moderate systolic or diastolic dysfunction (global or regional) 42 (15.4%)Ventricular non-compaction 12 (4.4%)Endomyocardial fibrosis 1 (0.4%)
Covert paroxysmal atrial fibrillation (detected during follow-up) Atrial fibrillation detected on stroke recurrence-30 30 (11.0%)Atrial fibrillation detected on monitoring during follow-up 50 (18.3%)Atrial fibrillation not confirmed but strongly suspected 38 (13.9%)
Cancer-associated Covert non-bacterial thrombotic endocarditis 1 (0.4%)Tumor emboli from occult cancer 2 (0.8%)
Arteriogenic emboli Aortic arch atherosclerotic plaques 9 (3.3%)Cerebral artery non-stenotic plaques with ulceration 29 (10.6%)
Paradoxical embolism Patent foramen ovale 11 (4.0%)Atrial septal defect 3 (1.1%)
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ESUS: 5-yrs stroke recurrence
Ntaios, Vemmos. Stroke, in press
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ESUS & AF at follow-up: how much causality is there?
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AF-related strokes are more severe
Patient characteristics Large-artery atherosclerotic
stroke
n=496
Cardioembolic stroke
n=993
Lacunar stroke
n=647
Stroke of undetermined
origin
n=533
Stroke of miscellaneous
causes
n=61
NIHSS on admission 8.6 12.8 3.4 9.7 7.6
Ntaios, Vemmos. Eur J Neurol. 2014; 21:1108-14
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ESUS & AF: how much of a causality?
Ntaios, Vemmos, in preparation
AF ESUS(n=80)
Non-AF ESUS(n=195)
p-value
NIHSS score 5 (2-13) 5 (2-14) 0.998
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Statins for AF-related stroke?
Ntaios, Vemmos. International Journal of Cardiology, 2014
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So, how to treat my ESUS patient?
Furie. Stroke 2010
Approach 1
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So, how to treat my ESUS patient?
Approach 2
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So, how to treat my ESUS patient?
Approach 3
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NAVIGATE- ESUS
Rivaroxaban 15mg 1x1
Aspirin 100mg 1x1R
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RESPECT - ESUS
Dabigatran 110/150 1x2
Aspirin 100mg 1x1R
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- Everybody gets happy!
- Almost half stroke patients get an anticoagulant!
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Take-home messages
Cryptogenic ESUS
~10% of all stroke patients
ESUS needs a complete (?) diagnostic work-up
Covert AF is frequently detected in ESUS
Perhaps AF is over-estimated as a stroke cause
High recurrence rate
NOACs to replace antiplatelets?