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Factors to predict recurrence of atrial fibrillation in patients with hypertension.
MedLine Citation:
PMID:  19452484     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
BACKGROUND: Patients with essential hypertension had a higher recurrence rate of atrial fibrillation (AF) than patients without hypertension. This study evaluated the role of various parameters for predicting recurrence after conversion of AF in patients with essential hypertension. METHODS: We retrospectively analyzed 136 patients with essential hypertension and a known history of AF. P-wave duration and dispersion were measured in a 12-lead electrocardiograph. The size and function of the left atrium (LA) and left atrial appendage (LAA) were assessed by transthoracic and transesophageal echocardiography. The time interval from initiation of P-wave to the start of LAA ejection flow (P-LAA) was measured at the same time. All the patients were followed up for a period of 12 +/- 6 months for the recurrence of AF. RESULTS: In the follow-up period, 38.2%of patients underwent AF recurrence. Age, P-LAA, P(max), P-wave dispersion, left atrium diameter (LAD), and maximum and minimum LAA volume were significantly higher in patients with AF recurrence than in patients without AF recurrence, while EF-LAA and LAA peak emptying velocity were much lower in patients with AF recurrence. P-LAA had positive correlation with LAD and P-wave dispersion (r = 0.501, p < 0.0001; r = 0.713, p < 0.0001). CONCLUSION: These results indicated that increased P-wave dispersion, P-LAA in addition to the dilated LA, and the depressed LAA function may be useful to identify patients with hypertension at risk of recurrent AF.
Authors:
Xiaojing Ma; XingHua Zhang; WenBin Guo
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Clinical cardiology     Volume:  32     ISSN:  0160-9289     ISO Abbreviation:  Clin Cardiol     Publication Date:  2009 May 
Date Detail:
Created Date:  2009-05-25     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7903272     Medline TA:  Clin Cardiol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  264-8     Citation Subset:  IM    
Copyright Information:
(c) 2009 Wiley Periodicals, Inc.
Affiliation:
Department of Cardiology, Provincial Hospital affiliated to Shandong University, Jinan, P.R. China;
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