Dobutamine administration | |||
---|---|---|---|
Variable | Baseline | 5 μg/kg/min (n=14) | 10 μg/kg/min (n=18) |
Values are mean (SD). | |||
*p<0.001; †p<0.01 v baseline. | |||
CPMA, distance between the coaptation point and the mitral annulus; EPSS, E point septal separation. | |||
Diastolic diameter (mm) | 70.18 (11.20) | 66.10 (11.57)* | 68.00 (11.34)* |
Systolic diameter (mm) | 59.23 (11.71) | 54.30 (11.84)* | 54.75 (11.36)* |
Fractional shortening (%) | 16.00 (5.30) | 19.20 (6.50)* | 20.00 (5.61)* |
Ejection fraction (%) | 27.00 (6.18) | 29.9 (7.67)* | 33.4 (6.86)* |
EPSS (mm) | 29.13 (6.60) | 26.35 (7.01)* | 24.81 (7.38)* |
Mitral annulus diameter (mm) | 40.28 (6.51) | 36.74 (5.36)† | 38.13 (4.05)† |
CPMA (mm) | 12.04 (3.64) | 9.08 (2.57)* | 8.92 (2.56)* |