| Outcome of patients with syncope beyond the implantable loop recorder. | |
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MedLine Citation:
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PMID: 23064372 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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AIMS: The implantation of an implantable loop recorder (ILR) leads to the diagnosis in about 35% of patients with syncope of unknown origin. Information on outcome of patients in whom a diagnosis is not reached during the lifetime of the device is scarce. The aim of our study is to determine the outcome of these patients in terms of syncope recurrence and survival.METHODS AND RESULTS: An ILR was implanted to 97 patients with syncope of unknown origin. Patients were classified in groups A and B depending on their high or low risk, respectively, of having arrhythmic syncope. Diagnosis had not been reached in 60 patients (62%) when the ILR battery reached end operational life. Five patients were lost to follow up. During a median follow-up of 48 months after ILR explantation (interquartile range 36-56), 22 patients (40%) had recurrence of syncope (32% in group A vs. 48% in group B, P = 0.3). Syncopes with no neurally mediated profile were more frequent in group A (18 vs. 0%, P = 0.05) and neurally mediated profile syncopes were more frequent in group B (44 vs. 11%, P = 0.007). Five patients died, four of them in group A and 1 in group B (P = 0.4). No sudden or cardiac deaths were detected during follow-up. All deaths were due to non-cardiac causes.CONCLUSION: Recurrent syncope is common in patients in whom a diagnosis is not established after the full battery life of an ILR. The prognosis of these patients seems to be good, without observed sudden or cardiac death. |
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Authors:
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Pilar Merlos; Eva Rumiz; Ricardo Ruiz-Granell; Angel Martínez; Maria Teresa Izquierdo; Angel Ferrero; Eloy Dominguez; Juan Miguel Sánchez; Salvador Morell; Roberto García-Civera |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-10-12 |
Journal Detail:
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Title: Europace : European pacing, arrhythmias, and cardiac electrophysiology : journal of the working groups on cardiac pacing, arrhythmias, and cardiac cellular electrophysiology of the European Society of Cardiology Volume: - ISSN: 1532-2092 ISO Abbreviation: Europace Publication Date: 2012 Oct |
Date Detail:
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Created Date: 2012-10-15 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100883649 Medline TA: Europace Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Cardiology Department, Hospital Clínico Universitario Valencia, Blasco Ibanez, 17, Valencia 46010, Spain. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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