Table 2 Global ventricular function parameters.

From: Feature tracking strain analysis detects the onset of regional diastolic dysfunction in territories with acute myocardial injury induced by transthoracic electrical interventions

 

Controls

Shocked

Baseline

5 h

p

Baseline

5 h

p

Global LV measures

Ejection fraction (%)

58 ± 8

55 ± 10

0.30

58 ± 10

55 ± 8

0.26

Peak strain (%)

− 16.5 ± 0.8

− 15.0 ± 2.3

0.22

− 15.6 ± 3.3

− 13.0 ± 3.6

< 0.01*

Time to peak strain (ms)

292 ± 39

264 ± 32

0.27

299 ± 28

303 ± 56

0.88

Mechanical dispersion (ms)

45 [38–65]

36 [27–59]

0.31

42 [37–45]

56 [31–68]

0.02*

Early diastolic strain rate (/s)

1.11 ± 0.17

1.22 ± 0.19

0.30

1.19 ± 0.35

0.95 ± 0.37

0.02*

Global RV measures

Ejection fraction (%)

48 ± 12

45 ± 10

0.46

48 ± 13

49 ± 15

0.64

Peak strain (%)

− 13.0 ± 3.6

− 12.4 ± 3.7

0.68

− 16.1 ± 2.3

− 12.8 ± 4.2

0.03*

Time to peak strain (ms)

284 ± 29

274 ± 26

0.55

291 ± 38

290 ± 27

0.99

Early diastolic strain rate (/s)

0.84 ± 0.20

0.94 ± 0.27

0.27

1.06 ± 0.22

0.93 ± 0.33

0.30

  1. Mean ± SD, or median [interquartile range] are shown for global measures at baseline and the 5 h time point. *p < 0.05 represents a significant difference between baseline and 5 h measures. Significant values are in bold.
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