Table 2 Hemodynamic data at rest and peak stress during dobutamine stress echocardiography

Mitral valve area (cm²)

2.8 ± 0.4

3.4 ± 0.3

0.0005

2.8 ± 0.3

3.2 ± 0.3

0.0010

2.5 ± 0.1

2.9 ± 0.1

0.0220

4.1 ± 0.4

5.1 ± 0.5

0.0001

MVmaxPG (mmHg)

9.2 ± 3.0

16.3 ± 6.0

0.0079

12.0 ± 2.5

22.3 ± 5.0

0.0077

9.3 ± 4.2

17.5 ± 4.7

0.0071

3.8 ± 0.9

9.4 ± 3.7

0.0003

MVmeanPG (mmHg)

3.3 ± 1.1

7.4 ± 4.1

0.0026

5.5 ± 1.0

10.5 ± 2.4

0.0058

3.5 ± 1.7

8.8 ± 3.1

0.0146

1.1 ± 0.3

3.6 ± 0.7

0.0222

sPAP (mmHg)

25.7 ± 4.7

49.1 ± 4.1

0.0000

30 ± 1.4

47.0 ± 1.4

^a

28.3 ± 1.9

44.8 ± 2.1

0.0034

26.9 ± 2.3

43.9 ± 7.6

0.0001

MR grade (mean)

0.1 ± 0.3

0.1 ± 0.3

-

0

0

-.

0.3 ± 0.5

0

0.3910

0

0

-

HR (beats/min)

73 ± 16

107 ± 24

0.0002

76 ± 2

127 ± 25

0.0225

68 ± 3

111 ± 19

0.0138

64 ± 11

115 ± 16

0.0000

sBP (mmHg)

115 ± 13

150 ± 20

0.0008

127 ± 14.0

143.3 ± 26.5

0.1495

115 ± 14

145 ± 33

0.1991

104 ± 8

153 ± 18

0.0000

dBP (mmHg)

69 ± 13

71 ± 13

0.5426

76.3 ± 9.2

71 ± 6.9

0.1261

69 ± 16

75 ± 17

0.6440

53 ± 9

65 ± 9

0.0069

CO (L/min)

4.4 ± 1.0

7.9 ± 1.4

0.0000

5.0 ± 0.4

9.6 ± 2.5

0.0234

4.2 ± 0.3

7.5 ± 1.0

0.0023

3.9 ± 0.7

9.2 ± 1.4

0.0000

EF (%)

64.7 ± 2.9

81.9 ± 2.5

0.0000

61.9 ± 6.7

81.9 ± 4.5

0.0006

62.8 ± 1.5

83.9 ± 4.7

0.0045

62.6 ± 3.6

82.0 ± 2.7

0.0000

LVEDV (ml)

92.5. ± 10.3

91.3 ± 8.0

0.5931

107.9 ± 19.6

89.4 ± 13.5

0.0262

98.3 ± 10.7

82.7 ± 16.2

0.0323

99.6 ± 13.4

99.0 ± 14.0

0.8726

LVESV (ml)

31.7 ± 4.7

16.6 ± 3.4

0.0000

42.3 ± 15.0

15.0 ± 4.6

0.0195

36.5 ± 3.7

13.9 ± 5.7

0.0015

38.0 ± 6.7

18.1 ± 5.4

0.0000