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- W2003787342 abstract "Background: Recently, three-dimensional speckle tracking echocardiography (3DSTE) have developed and could provide an objective quantification of left atrial (LA) longitudinal myocardial deformation dynamics. Although the global LA longitudinal strain (LALS) in patients with paroxysmal atrial fibrillation (PAF) was reduced compared to that in patients with normal sinus rhythm (NSR), the difference of the segmental LALS between patients with and without PAF was unknown.Methods: To assess the feasibility of the segmental LALS evaluated by 3DSTE for identification of PAF, we studied 51 patients (age: 65±7 years, 31males) with NSR during echocardiographic examination, including 24 PAF patients who had documented AF before. The peak value of LALS (pLALS) derived by segmentally averaging values recorded in each of annular, mid and level of LA were measured in all patients (figure).![Figure][1] Results: In patients with PAF, pLALS in roof level was significantly lower than that in patients without PAF (15.6±11.2% vs 23.6±11.4%, p 32ml/m2: n=21), ROC analysis revealed that the cutoff value of pLALS in roof level <17.4% had the sensitivity of 91% and the specificity of 67% for identification of PAF.Conclusion: Our findings suggest that segmental LA reservoir function in PAF patients was impaired only in roof level and segmental LALS analysis evaluated by 3DSTE may play a incremental role to suspect the presence of PAF, especially in patients with LA dilatation. [1]: pending:yes" @default.
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- W2003787342 date "2013-08-02" @default.
- W2003787342 modified "2023-09-24" @default.
- W2003787342 title "The usefulness of left atrial longitudinal myocardial dysfunction segmentally evaluated by three-dimensional speckle tracking echocardiography for identification of paroxysmal atrial fibrillation" @default.
- W2003787342 doi "https://doi.org/10.1093/eurheartj/eht308.p1123" @default.
- W2003787342 hasPublicationYear "2013" @default.
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