Document Detail


The prediction of atrial fibrillation recurrence after electrical cardioversion with P wave signal averaged EKG
MedLine Citation:
PMID:  15252741     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
METHOD: A P wave triggered and bidirectional P wave signal averaged ECG was used among 49 patients (35 m/14 w) 24 hours after electrical cardioversion. The measurements were only managed in sinus rhythm. Each patient was followed up for at least 6 months and the mean follow-up was of 9.1 months. RESULTS: A recurrence of atrial fibrillation was observed in 23 patients (47%) after a mean of 9,2 days (range 2-92 days). There was no difference in organic heart disease or in the use of drugs. The filtered P wave duration (FPD) was longer significantly (136.2 +/- 20.1 vs 119.5 +/- 19.8 ms, p < 0.0001) and the root mean square voltage of the last 20 ms of the P wave (RMS 20) was lower (2.77 +/- 1.10 vs 4.17 +/- 1.43 microV, p < 0.0001) in patients with a recurrence of atrial fibrillation. A cut-off point (COP) of FPD > or = 126 ms and RMS 20 < or = 3.1 microV achieved a specificity of 69%, a sensitivity of 74%, a positive predictive value of 68% and a negative predictive value of 75%. CONCLUSION: The results of our study suggest that the recurrence of atrial fibrillation after electrical cardioversion can be detected by P wave signal averaged ECG. The occurrence of COP seems to be a high risk factor of the recurrence of atrial fibrillation. The predictive power of the method has to be examined by prospective investigations of a larger patient population and a longer follow-up. The recurrence of atrial fibrillation after cardioversion has a high incidence. In our study, P wave signal averaged ECG was performed one day after successful electrical cardioversion in order to evaluate the utility of this method to predict atrial fibrillation after cardioversion.
Authors:
M Budeus; M Hennersdorf; C Perings; B E Strauer
Publication Detail:
Type:  Clinical Trial; Comparative Study; Controlled Clinical Trial; English Abstract; Journal Article    
Journal Detail:
Title:  Zeitschrift für Kardiologie     Volume:  93     ISSN:  0300-5860     ISO Abbreviation:  Z Kardiol     Publication Date:  2004 Jun 
Date Detail:
Created Date:  2004-07-14     Completed Date:  2004-09-13     Revised Date:  2009-11-03    
Medline Journal Info:
Nlm Unique ID:  0360430     Medline TA:  Z Kardiol     Country:  Germany    
Other Details:
Languages:  ger     Pagination:  474-8     Citation Subset:  IM    
Affiliation:
Klinik für Kardiologie, Pneumologie und Angiologie, Medizinische Klinik und Poliklinik B der Heinrich-Heine-Universität Düsseldorf, Moorenstr. 5, 40225 Düsseldorf, Germany. budeus@med.uni-duesseldorf.de
Vernacular Title:
Die Prädiktion des Rezidives von Vorhofflimmern nach elektrischer Kardioversion mittels P-Wellen-Signalmittelungs-EKG.
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MeSH Terms
Descriptor/Qualifier:
Algorithms
Atrial Fibrillation / diagnosis*,  therapy*
Diagnosis, Computer-Assisted / methods*
Electric Countershock / methods*
Electrocardiography / methods*
Female
Humans
Male
Middle Aged
Prognosis
Recurrence
Reproducibility of Results
Sensitivity and Specificity

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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