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 |