Electrophysiological study as a predictor of mortality in unexplained syncope

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2023

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Background: Electrophysiological study can help in the diagnosis of arrhythmic syncope. According to the electrophysiological study finding, the prognosis of patients with syncope is still a matter of study. Objective: The aim of this study was to assess the survival of patients undergoing electrophysiological study according to their findings and to identify clinical and electrophysiological independent predictors of all-cause mortality. Methods: A retrospective cohort study included patients with syncope who underwent electrophysiological study from 2009 to 2018. A Cox logistic regression analysis was performed to identify independent prognostic factors for all-cause mortality. Results: We included 383 patients in our study. During a mean follow-up of 59 months, 84 (21.9%) patients died. The split His group had the worst survival compared with the control group, followed by sustained ventricular tachycardia and HV interval ≥ 70 ms, respectively (p =.001; p <.001; p =.03). The supraventricular tachycardia group showed no differences compared with the control group (p =.87). In the multivariate analysis, independent predictors of all-cause mortality were Age (OR 1.06; 1.03–1.07; p [removed]

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http://dspace.ucuenca.edu.ec/handle/123456789/42972
 https://www.scopus.com/record/display.uri?eid=2-s2.0-85149533838&origin=resultslist&sort=plf-f&src=s&sid=7e70a81b51fa0323f5942661d131b8e5&sot=b&sdt=b&s=TITLE-ABS-KEY%28Electrophysiological+study+as+a+predictor+of+mortality+in+unexplained+syncope%29&sl=92&sessionSearchId=7e70a81b51fa0323f5942661d131b8e5

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