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2017 ; 5
(3
): 93-101
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Bayés syndrome and acute cardioembolic ischemic stroke
#MMPMID28352633
Arboix A
; Martí L
; Dorison S
; Sánchez MJ
World J Clin Cases
2017[Mar]; 5
(3
): 93-101
PMID28352633
show ga
Bayés syndrome is an under-recognized clinical condition characterized by
advanced interatrial block. Bayés syndrome is a subclinical disease that
manifests electrocardiographically as a prolonged P wave duration > 120 ms with
biphasic morphology ± in the inferior leads. The clinical relevance of Bayés
syndrome lies in the fact that is a clear arrhythmological syndrome and has a
strong association with supraventricular arrhythmias, particularly atypical
atrial flutter and atrial fibrillation. Likewise, Bayés syndrome has been
recently identified as a novel risk factor for non-lacunar cardioembolic ischemic
stroke and vascular dementia. Advanced interatrial block can be a risk for
embolic stroke due to its known sequelae of left atrial dilation, left atrial
electromechanical dysfunction or atrial tachyarrhythmia (paroxysmal or persistent
atrial fibrillation), conditions predisposing to thromboembolism. Bayés syndrome
may be responsible for some of the unexplained ischemic strokes and shall be
considered and investigated as a possible cause for cryptogenetic stroke. In
summary, Bayés syndrome is a poorly recognized cardiac rhythm disorder with
important cardiologic and neurologic implications.