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dc.contributor.authorGarcía-Talavera, Camila S
dc.contributor.authorAceña, Álvaro
dc.contributor.authorAndrés López, Alberto
dc.contributor.authorGarcía Torres, María Araceli
dc.contributor.authorOlivié García, Laura
dc.contributor.authorde la Cruz Berlanga, Elena
dc.contributor.authorde Los Reyes Oliva Encabo, María
dc.contributor.authorFranco-Peláez, Juan
dc.contributor.authorTuñón, José
dc.contributor.authorRubio, José Manuel
dc.identifier.citationJ Electrocardiol.2019;(57):1-5
dc.description.abstractThe presence of interatrial block (IAB) has been directly related to the appearance of various atrial tachyarrhythmias and therefore could be a risk factor for stroke. The objective of this study is to establish whether the presence of IAB could predict stroke recurrence in patients with a previous episode. We included all patients discharged from our hospital in 2011 following treatment for stroke, excluding those of cardioembolic or lacunar etiology. For all patients we analyzed the ECG recordings, determined whether the patient presented cardiovascular risk factors, and determined the presence and type of IAB. An IAB was defined as partial if the P-wave duration was ≥120 ms, and advanced if the duration was ≥120 ms and presented biphasic morphology in the inferior leads. The primary endpoint was the recurrence of stroke and the secondary endpoint was the incidence of atrial tachyarrhythmias after the first episode. A total of 149 patients were identified (80 (71.5-86.0) years, 41% men). After a median follow-up of 3.96 (0.63-5.35) years, 54 deaths (36%) were observed, 27 patients (18%) had experienced stroke recurrence, and 20 (13%) had developed atrial tachyarrhythmias. On multivariate analysis, the presence of advanced IAB [HR: 2.3, 95% CI (1.0-5.5); p = 0.043] and diabetes [HR: 2.5, 95% CI (1.1-5.4); p = 0.018] were significantly associated with stroke recurrence. The presence of advanced IAB predicts the recurrence of stroke in patients with a previous episode. Further studies should be performed to investigate possible interventions.
dc.subjectAtrial tachyarrhythmias
dc.subjectInteratrial block
dc.subject.meshAtrial Fibrillation
dc.subject.meshHeart Atria
dc.subject.meshInteratrial Block
dc.titleAdvanced interatrial block: An electrocardiographic marker for stroke recurrence.
dc.identifier.journalJournal of electrocardiology
dc.identifier.journalabbreviationJ Electrocardiol
dc.pubmedtypeJournal Article
Appears in Collections:Hospitales > H. U. Infanta Sofía > Artículos

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