Table 2 Myocardial work index parameters during normal dobutamine stress echocardiography.
From: Myocardial work index during normal dobutamine stress echocardiography
Baseline | 10 mcg/kg/min | 20 mcg/kg/min | 30 mcg/kg/min | 40 mcg/kg/min | |
|---|---|---|---|---|---|
SBP, mmHg | 149.7 ± 22.7 | 156.9 ± 26.6 p = 0.02 | 159.9 ± 28.9 p < 0.003 | 153.3 ± 26.8 p = 0.32 | 140.6 ± 14.6 p = 0.15 |
DBP, mmHg | 76.3 ± 12.2 | 75.6 ± 14.1 p = 0.7 | 73.2 ± 15.9 p = 0.09 | 71.9 ± 15.8 p = 0.006 | 65.6 ± 16.6 p = 0.007 |
HR, bpm | 71.9 ± 12.2 | 107.2 ± 18.4 p < 0.00001 | 127.1 ± 13.8 p < 0.00001 | 134.8 ± 11.6 p < 0.00001 | 133.4 ± 12.1 p < 0.00001 |
GS, % | − 19.6 ± 2.4 | − 22.1 ± 2.8 p < 0.00001 | − 23.0 ± 2.8 p < 0.00001 | − 23.8 ± 2.8 p < 0.00001 | − 23.7 ± 3.5 p < 0.00001 |
GWI, mmHg% | 2393.3 ± 503.4 | 2262.0 ± 572.8 p = 0.06 | 2189.8 ± 568.1 p < 0.004 | 2060.6 ± 565.2 p = 0.00001 | 1864.7 ± 424.4 p < 0.0004 |
GCW, mmHg% | 2681.7 ± 549. 6 | 2581.6 ± 660.1 p = 0.2 | 2551.9 ± 691.6 p = 0.74 | 2469.9 ± 717.6 p = 0.02 | 2152.6 ± 521.7 p = 0.001 |
GWW, mmHg% | 78.8 ± 56.5 | 110.9 ± 53.1 p < 0.00001 | 131.0 ± 65.6 p < 0.00001 | 142.4 ± 73.7 p < 0.00001 | 128.3 ± 45.2 p < 0.003 |
GWE, % | 96.1 ± 3.1 | 94.2 ± 2.8 p < 0.00001 | 93.0 ± 3.4 p < 0.00001 | 92.3 ± 3.7 p < 0.00001 | 91.9 ± 4.5 p < 0.00001 |