| Occurrence of Atrial Fibrillation during Dobutamine Stress Echocardiography: Incidence, Risk Factors, and Outcomes. | |
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MedLine Citation:
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PMID: 21172598 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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BACKGROUND: The reported incidence of atrial fibrillation (AF) occurring during dobutamine stress echocardiography (DSE) ranges from 0.5% to 4%. The aim of this study was to characterize the incidence, risk factors, and outcomes of AF precipitated during DSE. METHODS: The clinical and echocardiographic data of consecutive patients over a 50-month period who were in sinus rhythm and underwent DSE were retrospectively reviewed. RESULTS: A total of 11,806 consecutive patients underwent DSE and met all inclusion criteria. AF developed during DSE in 122 patients (1%), 71 of whom had histories of AF. The duration of AF was <1 hour in 74 patients (61%) and <24 hours in 117 patients (96%). Of the 47 patients who were still in AF when dismissed from the echocardiography laboratory, 21 had outpatient follow-up within 24 hours, eight were already inpatients, and 18 were triaged to the emergency department or hospital. Spontaneous cardioversion occurred in 114 patients (93%). There were no reported complications. The clinical characteristic most strongly associated with the development of AF during DSE was a history of AF (odds ratio, 18.4 if no history of congestive heart failure; P < .001). The presence or extent of stress-induced myocardial ischemia was not predictive of the development of AF. CONCLUSIONS: AF is an infrequent complication of DSE. Most patients return to sinus rhythm spontaneously within 1 hour. Patients with persistent AF can be safely dismissed from the echocardiography laboratory to have outpatient follow-up within 24 hours unless they have suboptimal heart rate control, hypotension, significant symptoms, or markedly abnormal findings on DSE. |
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Authors:
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Seth H Sheldon; J Wells Askew; Kyle W Klarich; Christopher G Scott; Patricia A Pellikka; Robert B McCully |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of the American Society of Echocardiography : official publication of the American Society of Echocardiography Volume: 24 ISSN: 1097-6795 ISO Abbreviation: J Am Soc Echocardiogr Publication Date: 2011 Jan |
Date Detail:
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Created Date: 2010-12-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8801388 Medline TA: J Am Soc Echocardiogr Country: United States |
Other Details:
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Languages: eng Pagination: 86-90 Citation Subset: IM |
Copyright Information:
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Copyright © 2011 American Society of Echocardiography. Published by Mosby, Inc. All rights reserved. |
Affiliation:
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Department of Internal Medicine, Mayo Clinic, Rochester, Minnesota. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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