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Table 3 Comparison of longitudinal global strain (εlong) in responders and non-responders at mid-systole (50 % systole), end-systole (100 % systole) and early post-systole (125 % systole)

From: Strain-time curve analysis by speckle tracking echocardiography in cardiac resynchronization therapy: Insight into the pathophysiology of responders vs. non-responders

 

Responders

Non-responders

% systole

50 %

100 %

125 %

50 %

100 %

125 %

Pre

-1.68 ± 0.78

-5.97 ± 2.73

-6.11 ± 3.05

-0.47± 0.46

-2.91 ± 0.96†

-3.48 ± 1.58†

Post

-2.49 ± 0.9

-9.94 ± 3.11*

-9.27 ± 4.08*

-0.17 ± 0.58†

-3.69 ± 2.47‡

-4.39 ± 3.22†

  1. *: p < 0.05 versus pre; †: p < 0.05 versus Responders; ‡: p < 0.001 versus Responders
  2. εlong, longitudinal global strain
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Cardiovascular Ultrasound

ISSN: 1476-7120

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