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Table 4 Hemodynamic and Tissue Doppler Echocardiography parameters in the AVDOPT, AVDOPT-50 and AVDOPT+50 modes.

From: Influence of the atrio-ventricular delay optimization on the intra left ventricular delay in cardiac resynchronization therapy

Hemodynamics

 

AVDOPT

AVDOPT-50

AVDOPT+50

p

SV [ml]

89,2 (± 27.7)

89,7 (± 36.9)

95,3 (± 36.9)

n.s.

LVEF

0,28 (± 0.12)

0,20 (± 0.07)*

0,23 (± 0.07)**

*0.03 / **0.11

CI

3,0 (± 0.9)

3,2 (± 0.8)

3,4 (± 0.9)

n.s.

HR

65,4 (± 8.8)

65,6 (± 9.4)

65,8 (± 9.4)

n.s.

Tissue Doppler

 

AVDOPT

AVDOPT-50

AVDOPT+50

p

TDI max. delay in basal segments [ms]

122,9 (± 95,6)

125,0 (± 109,2)

131,7 (± 85,2)

n.s.

TSI segments with asynchrony

2,08 (± 1,24)

2,27 (± 1.19)

2,41 (± 1.43)

n.s.

Strain max. delay in basal segments [ms]

148,3 (± 74.9)

167,5 (± 90.2)

151,7 (± 54.1)

n.s.

Strain [%]

    

4AC lateral

13,7 (± 6,5)

14.5 (± 9.8)

13,4 (± 9.8)

n.s.

4 AC septal

15,6 (± 7,3)

13.9 (± 9.3)

15.0 (± 9.8)

n.s.

A2C anterior

16,8 (± 9,7)

17.2 (± 10.5)

16.1 (± 9.1)

n.s.

A2C inferior

20,0 (± 11,5)

15.0 (± 11.4)

16.1 (± 9.8)

n.s.

A3C anterior

19,7 (± 9,5)

12.4 (± 9.7)

18.1 (± 9.8)

n.s.

A3C interior

19,1 (± 9,8)

14.1 (± 12.7)

19.2 (± 10.1)

n.s.