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Table 7 Analysis of mid-left ventricular radial strain and strain rate

From: Comprehensive left ventricular mechanics analysis by speckle tracking echocardiography in Chagas disease

Variables

Chagas

Controls

Ch1A (n = 8)

Ch1B (n = 13)

Ch2 (n = 17)

Ch3 (n = 9)

C1 (n = 58)

C2 (n = 7)

C3 (n = 19)

RS (%)

 AntSept

48.38 ± 12.84

48.40 ± 15.41

45.89 ± 24.70

29.15 ± 25.06a

44.85 ± 14.55

28.57 ± 15.97

8.79 ± 6.80

 Ant

49.92 ± 18.57

50.64 ± 26.51

35.28 ± 18.42

18.43 ± 14.55

43.75 ± 14.18

30.06 ± 17.27

8.39 ± 7.80

 Lat

58.15 ± 25.71

55.33 ± 33.18

30.87 ± 18.68

12.52 ± 11.90

49.90 ± 17.34

30.94 ± 22.50

13.14 ± 12.50

 Post

65.07 ± 30.01

54.06 ± 27.20

32.78 ± 19.12

7.49 ± 8.54

55.53 ± 20.00

29.66 ± 22.76

17.02 ± 14.11

 Inf

63.98 ± 26.45

48.18 ± 18.74

37.84 ± 18.37

11.09 ± 15.96

56.98 ± 19.69

26.82 ± 18.03

16.58 ± 12.16

 Sept

57.64 ± 17.73

45.75 ± 17.14

44.86 ± 20.87b

23.98 ± 19.59

53.69 ± 18.42

25.95 ± 11.45

13.36 ± 8.83

RSR (1/s)

 AntSept

1.78 ± 0.34

1.87 ± 0.83

1.35 ± 0.62

1.35 ± 0.59

1.69 ± 0.43

1.70 ± 1.20

1.04 ± 0.86

 Ant

1.81 ± 0.47

1.94 ± 0.85

1.53 ± 0.45

1.44 ± 0.48

1.75 ± 0.47

1.75 ± 0.68

1.24 ± 1.00

 Lat

2.11 ± 0.59

2.04 ± 0.69

1.52 ± 0.45

1.41 ± 0.77

1.88 ± 0.49

1.65 ± 0.43

1.47 ± 0.84

 Post

2.24 ± 0.68

1.96 ± 0.59

1.45 ± 0.55

1.08 ± 0.48

1.96 ± 0.51

1.50 ± 0.40

1.28 ± 0.55

 Inf

2.12 ± 0.66

1.91 ± 0.51

1.50 ± 0.82

0.93 ± 0.31

1.92 ± 0.50

1.41 ± 0.24

1.22 ± 0.63

 Sept

1.91 ± 0.49

1.89 ± 0.77

1.64 ± 0.58

1.33 ± 0.61

1.80 ± 0.46

1.42 ± 0.68

1.15 ± 0.58

  1. Continuos variables expressed as mean ± SD
  2. RS radial strain, RSR radial strain rate
  3. at-Student test; p = 0.02; vs C3
  4. bt-Student test; p = 0.04; vs C2