Cardiovascular response to dobutamine
| Group A | Group B | p Value | |
|---|---|---|---|
| Rest | |||
| HR (beats/min) | 88 (15) | 72 (15) | NS |
| Systolic BP (mm Hg) | 120 (16) | 122 (16) | NS |
| LVEF (%) | 27 (9) | 29 (11) | NS |
| 5 μg/kg/min 2-150 | |||
| HR | 92 (13) | 76 (15) | NS |
| Systolic BP | 138 (25) | 131 (17) | NS |
| LVEF | 43 (10) | 39 (12) | NS |
| 10 μg/kg/min2-150 | |||
| HR | 106 (18) | 84 (16) | < 0.05 |
| Systolic BP | 147 (29) | 142 (21) | NS |
| LVEF | 52 (13) | 41 (15) | NS |
| 20 μg/kg/min2-150 | |||
| HR | 130 (32) | 109 (22) | NS |
| Systolic BP | 142 (30) | 147 (22) | NS |
| LVEF | 51 (9) | 44 (16) | NS |
Values are mean (SD).
↵2-150 Dobutamine dose.
BP, blood pressure; HR, heart rate; LVEF, left ventricular ejection fraction.