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