Ventricular dyssynchrony at echo: Detection by two-dimensional tracking and tissue doppler imaging in candidates to biventricular pacing

Author

Valzania, C. ; Bertini, Marco ; Pedri, S. ; Domenichini, G. ; Frizoni, J. ; Ziacchi, M. ; Biffi, M. ; Martignani, C. ; Diemberger, I. ; Corazza, I. ; Pedrizzetti, G. ; Boriani, G.

Author_Institution

Cardiovascular Dept., Univ. of Bologna, Bologna

fYear

2008

fDate

14-17 Sept. 2008

Firstpage

113

Lastpage

116

Abstract

Left ventricular (LV) dyssynchrony is a predictor of response to biventricular (BIV) pacing in patients with heart failure (HF) and LV dysfunction. In this study we compared a novel two-dimensional speckle tracking technique to standard Tissue Doppler Imaging (TDI) with regard to LV dyssynchrony assessment in 10 HF patients candidated to BiV pacing. Substantial correlation was found between the two techniques in measuring LV dyssynchrony (r=0.69; pLt0,05). Two-dimensional speckle tracking was able to detect variations in LV dyssynchrony induced by simultaneous BiV pacing. This pilot evaluation suggests that two-dimensional speckle tracking may be a valuable alternative to standard TDI to assess LV dyssynchrony before implant and during follow up in candidates to BiV facing.

Keywords

Doppler measurement; biological tissues; biology computing; biomedical ultrasonics; cardiology; medical image processing; LV dysfunction; biventricular pacing; heart failure; left ventricular dyssynchrony; tissue Doppler imaging; two-dimensional speckle tracking; Cardiology;

fLanguage

English

Publisher

ieee

Conference_Titel

Computers in Cardiology, 2008

Conference_Location

Bologna

ISSN

0276-6547

Print_ISBN

978-1-4244-3706-1

Type

conf

DOI

10.1109/CIC.2008.4748990

Filename

4748990