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Table 2 Feasibility and reproducibility. Feasibility is expressed as a percentage of analyzable segments in the LV [20,29] and RV [18]. Reproducibility is expressed as 95% limits of agreement in the LV [20] and RV [18]

From: Echocardiographic quantification of myocardial function using tissue deformation imaging, a guide to image acquisition and analysis using tissue Doppler and speckle tracking

  

TDI

2DSE

  

LV

RV

LV

RV

Feasibility

85; 93%

93%

88%

93%

Reproducibility

Interobserver

Strain (%)

-17.1 ; 28.5

-9.2 ; 9.8

-7.5 ; 9.7

-8.6 ; 11.8

 

SR (s-1)

-0.76 ; 0.96

-0.91 ; 0.81

-0.77 ; 0.83

-0.79 ; 0.81

Reproducibility

Intraobserver

Strain (%)

-9.4 ; 9.6

-9.3 ; 9.9

-0.16 ; 2.28

-13.1 ; 15.3

 

SR (s-1)

-0.42 ; 0.54

-0.85 ; 0.91

-0.54 ; 0.54

-0.73 ; 0.75