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Table 4 Global values of ventricular mechanical contraction analysis obtained from left ventricular short axis (basal, middle and apical)

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)

SAX – MV

 CS (%)

−21.11 ± 4.57

−18.79 ± 3.47

−13.12 ± 2.67

−9.84 ± 2.52

−18.42 ± 2.96

−13.38 ± 2.28

−8.83 ± 2.81

 RS (%)

48.92 ± 16.90

53.89 ± 21.25

34.23 ± 22.37

24.84 ± 11.48

47.50 ± 14.64

26.01 ± 15.36

20.91 ± 13.38

 CSR (1/s)

−1.56 ± 0.18

−1.50 ± 0.38

−1.04 ± 0.22

−0.82 ± 0.18

−1.47 ± 0.29

−1.17 ± 0.26

−0.83 ± 0.28

 RSR (1/s)

2.00 ± 0.35

2.12 ± 0.58

1.46 ± 0.50

1.44 ± 0.46

2.00 ± 0.44

1.73 ± 0.44

1.50 ± 0.62

 RD (mm)

6.93 ± 1.37

6.45 ± 1.14

4.84 ± 1.16

4.39 ± 1.43

6.44 ± 1.03

4.64 ± 0.96

3.67 ± 1.23

 Rot (o)

−8.03 ± 4.64

−6.15 ± 2.55

−4.84 ± 2.41

−2.50 ± 2.38

−5.86 ± 2.38

−4.66 ± 1.63

−3.35 ± 2.50

 RotVel (o/s)

−66.66 ± 12.87

−52.61 ± 13.66

−41.13 ± 18.90

−27.85 ± 21.27

−64.91 ± 21.11

−48.07 ± 11.20

−33.33 ± 19.40

SAX – PM

 CS (%)

−20.61 ± 4.43

−18.49 ± 2.38

−12.96 ± 3.52

−9.13 ± 1.67

−19.05 ± 3.52

−12.42 ± 2.30

−8.03 ± 2.10

 RS (%)

57.19 ± 20.60

50.00 ± 18.72

37.92 ± 17.35

17.11 ± 11.38

50.63 ± 15.37

28.67 ± 15.21

12.88 ± 8.70

 CSR (1/s)

−1.48 ± 0.24

−1.36 ± 0.24

−1.07 ± 0.26

−0.82 ± 0.33

−1.41 ± 0.25

−1.03 ± 0.18

−0.73 ± 0.18

 RSR (1/s)

2.00 ± 0.46

1.92 ± 0.59

1.52 ± 0.43

1.26 ± 0.45

1.85 ± 0.45

1.57 ± 0.49

1.23 ± 0.62

 RD (mm)

7.14 ± 1.75

6.20 ± 0.76

4.90 ± 1.49

3.47 ± 0.80

6.43 ± 1.06

4.40 ± 0.83

3.14 ± 1.17

SAX – AP

 CS (%)

−27.64 ± 6.06

−25.14 ± 4.06

−17.13 ± 4.04

−9.26 ± 4.96

−26.20 ± 6.41

−15.22 ± 3.55

−7.48 ± 3.25

 RS (%)

24.20 ± 14.43

15.44 ± 14.01

16.57 ± 12.70

3.62 ± 10.61

25.92 ± 20.46

18.01 ± 18.51

7.86 ± 6.43

 CSR (1/s)

−1.51 ± 0.34

−1.63 ± 0.33

−1.09 ± 0.38

−0.71 ± 0.27

−1.76 ± 0.43

−1.10 ± 0.32

−0.68 ± 0.26

 RSR (1/s)

1.32 ± 0.46

1.46 ± 0.64

1.19 ± 0.53

1.13 ± 0.77

1.53 ± 0.79

1.13 ± 0.54

0.87 ± 0.37

 RD (mm)

4.89 ± 1.14

4.55 ± 1.18

4.13 ± 1.28

2.49 ± 0.83a

5.43 ± 1.38

3.47 ± 0.99

1.54 ± 1.18

 Rot (o)

12.73 ± 2.95

12.89 ± 3.91

6.47 ± 3.71

3.24 ± 4.51

13.15 ± 4.18

6.05 ± 2.99

3.00 ± 3.26

 RotVel (o/s)

67.65 ± 15.52

80.34 ± 25.54

44.88 ± 15.64

25.65 ± 35.00

85.82 ± 29.84

47.57 ± 27.36

31.25 ± 20.89

  1. Data expressed as mean ± SD. SAX-MV short axis, mitral valve, SAX-PM short axis, papillary muscles, SAX-AP short axis, apical, CS circumferential strain, RS radial strain, CSR circumferential strain rate, RSR radial strain rate, RD radial displacement, Rot rotation, Rot Vel rotational velocity
  2. aStudent t-test, p = 0.04, vs. C3
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Cardiovascular Ultrasound

ISSN: 1476-7120

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