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Table 2 Comparison of the LV function of asthmatic children and controls by conventional echocardiography and TDE

From: Evaluation of cardiac function in asthmatic children by Tissue Doppler Echocardiography

Left ventricular function

Group I “Control”

(n = 35)

Group II “Asthma”

(n = 35)

p

Min.–Max

Mean ± SD

Min.–Max

Mean ± SD

Conventional echocardiography

 EF %

56.0–78.0

66.43 ± 5.98

60.0–75.0

64.97 ± 11.98

0.522

 FS %         

28.0–44.0

34.46 ± 4.03

27.0–44.0

33.54 ± 4.25

0.359

 E velocity (cm/sec)

78.0–105.0

91.41 ± 7.2

84.0–105.0

93.64 ± 5.64

0.154

 A velocity (cm/sec)

38.0–65.0

53.94 ± 7.30

38.70–62.0

50.56 ± 5.98

0.329

 E/A ratio

1.30–2.0

1.71 ± 0.18

1.44–2.39

1.79 ± 0.21

0.093

Pulsed-wave Tissue Doppler

Medial leaflets of mitral annulus

 S' velocity(cm/sec)

11.80–18.10

15.68 ± 1.96

9.70–17.20

14.55 ± 2.30

0.044*

 E' velocity (cm/sec)

10.90–18.0

15.69 ± 1.76

9.60–17.60

14.69 ± 2.30

0.045*

 A' velocity(cm/sec)

8.10–15.20

11.51 ± 1.80

1.30–14.30

10.65 ± 2.59

0.109

 E'/A' ratio

1.10–1.70

1.36 ± 0.17

1.10–1.80

1.36 ± 0.18

0.920

 IVRT msec

54.90–69.0

62.15 ± 3.58

56.80–79.80

68.50 ± 5.39

< 0.001*

 E/E'

4.62–8.84

5.92 ± 1.0

4.94–9.90

6.56 ± 1.32

< 0.025*

Lateral leaflets of mitral annulus

 S' velocity(cm/sec)

10.90–18.10

15.04 ± 1.94

10.20–18.0

14.76 ± 2.41

0.591

 E' velocity (cm/sec)

11.30–18.20

15.11 ± 1.91

11.20–19.0

14.84 ± 2.03

0.574

 A' velocity(cm/sec)

8.90–14.10

11.26 ± 1.51

7.80–14.40

10.79 ± 1.56

0.203

 E'/A' ratio

1.04–1.60

1.32 ± 0.13

1.10–1.90

1.36 ± 0.19

0.228

 IVRT msec

51.90–70.0

59.67 ± 3.68

58.80–75.0

65.99 ± 5.40

 < 0.001*

 E/E'

4.41–8.50

6.16 ± 0.99

4.94–9.03

6.43 ± 0.98

 < 0.258

  1. Mitral value peak E velocity (cm/sec), Mitral value peak A velocity (cm/sec), Mitral value E/A ratio
  2. p: p value for comparing between the studied groups
  3. *Statistically significant at p ≤ 0.05