Table 2.
Perioperative hemodynamic data in both groups.
| Before induction | Before CPB | 2 hours after CPB | 24 hours after CPB | ||
|---|---|---|---|---|---|
| MAP, mmHg | |||||
| DEX group | 90±18 | 69±12* | 80±17* | 93±24 | |
| Non-DEX group | 91±20 | 71±10* | 83±21 | 92±21 | |
| HR, beats/minute | |||||
| DEX group | 86±13 | 75±12* | 90±24 | 95±24* | |
| Non-DEX group | 82±15 | 77±11 | 93±25* | 93±26* | |
| CVP, mmHg | |||||
| DEX group | 9±2 | 8±3 | 7±3# | ||
| Non-DEX group | 10±3 | 9±3 | 8±3# | ||
| CI, L/min/m2 | |||||
| DEX group | 3.58±0.75 | 2.78±0.54# | 3.49±0.82 | ||
| Non-DEX group | 3.40±0.78 | 2.74±0.65# | 3.25±0.75 | ||
Values are presented as mean ± standard deviation. DEX, dexmedetomidine; CPB, cardiopulmonary bypass; MAP, mean arterial pressure; HR, heart rate; CVP, central venous pressure; CI, cardiac index. *p<0.05 compared with before induction; #p<0.05 compared with before CPB.