Speckle echocardiographic left atrial strain and stiffness index as predictors of maintenance of sinus rhythm after cardioversion for atrial fibrillation: a prospective study
Authors
Shaikh, Amir Y.Mann, Abhishek
Khan, Umar A.
Aurigemma, Gerard P.
Hill, Jeffrey C.
Kane, Jennifer L.
Tighe, Dennis A.
Mick, Eric
McManus, David D.
UMass Chan Affiliations
Department of Internal MedicineDepartment of Medicine, Division of Cardiovascular Medicine
Department of Quantitative Health Sciences
Document Type
Journal ArticlePublication Date
2012-12-03
Metadata
Show full item recordAbstract
BACKGROUND: Echocardiographic left atrial (LA) strain parameters have been associated with atrial fibrillation (AF) in prior studies. Our goal was to determine if strain measures [peak systolic longitudinal strain (LAS) and stiffness index (LASt)] changed after cardioversion (CV); and their relation to AF recurrence. METHODS AND RESULTS: 46 participants with persistent AF and 41 age-matched participants with no AF were recruited. LAS and LASt were measured before and immediately after CV using 2D speckle tracking imaging (2DSI). Maintenance of sinus rhythm was assessed over a 6-month follow up. Mean LAS was lower, and mean LASt higher, in participants with AF before CV as compared to control group (11.9 +/- 1.0 vs 35.7 +/- 1.7, p CONCLUSIONS: LAS and LASt differed between participants with and without AF, irrespective of the rhythm at the time of echocardiographic assessment. Baseline LAS and LASt were not associated with AF recurrence. However, change in LAS after CV may be a useful predictor of recurrent arrhythmia.Source
Cardiovasc Ultrasound. 2012 Dec 3;10(1):48. Link to article on publisher's site
DOI
10.1186/1476-7120-10-48Permanent Link to this Item
http://hdl.handle.net/20.500.14038/37211PubMed ID
23199055Related Resources
Link to Article in PubMedRights
© 2012 Shaikh et al. This is an open access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
ae974a485f413a2113503eed53cd6c53
10.1186/1476-7120-10-48