Table 3. Comparison of hemodynamic parameters among three groups.
| CO | CI | SVI | SVR | PVR | LVSW | RVSW | |
| (L/min) | (L/min/m2) | (mL/beat/m2) | (dyne/sec/cm-5) | (dyne/sec/cm-5) | (gxm) | (gxm) | |
| Mean±SD | Mean±SD | Mean±SD | Mean±SD | Mean±SD | Mean±SD | Mean±SD | |
| Group A (n=20) | |||||||
| Before CPB | 3.9±0.6 | 2.2±0.2 | 23.4±0.6 | 1827.4±135.6 | 156.8±21.5 | 39.5±3.5 | 5.8±0.6 |
| After CPB | 4.6±0.5 | 2.9±0.1* | 27.6±0.3 | 1435.8±115.5 | 215.7±15.7 | 54.3±3.2* | 11.7±0.5* |
| Postoperative 1st hour | 4.7±0.3 | 2.8±0.2* | 28.2±0.4 | 1365.7±108.2 | 231.6±14.9 | 54.6±3.8* | 11.5±0.8* |
| Postoperative 6th hour | 4.9±0.1 | 2.7±0.1 | 29.1±0.5 | 1314.3±113.5 | 214.5±15.6 | 52.5±3.1 | 10.3±0.9 |
| Postoperative 12th hour | 5.0±0.3 | 2.7±0.2 | 29.3±0.4 | 1295.3±112.3 | 207.9±13.8 | 51.8±3.5 | 10.0±0.7 |
| Postoperative 24th hour | 5.0±0.2 | 2.6±0.6 | 29.4±0.5 | 1280.7±104.7 | 204.1±15.5 | 52.0±3.2 | 9.1±0.5 |
| Postoperative 48th hour | 5.1±0.1 | 2.5±0.3 | 29.5±0.5 | 1230.7±118.5 | 202.1±12.4 | 52.3±4.2 | 9.3±0.5 |
| Group B (n=20) | |||||||
| Before CPB | 4.2±0.6 | 2.5±0.1 | 24.6±0.6 | 1617.4±120.2 | 160.8±12.8 | 45.6±0.6 | 8.0±0.8 |
| After CPB | 5.1±0.8 | 2.9±0.1* | 29.7±0.4 | 1307.8±119.9 | 214.3±14.3 | 55.0±1.3* | 12.2±0.5* |
| Postoperative 1st hour | 4.9±0.1 | 2.9±0.1* | 29.3±0.5 | 1301.7±117.2 | 222.6±15.3 | 55.1±1.0* | 12.5±0.9* |
| Postoperative 6th hour | 5.0±0.1 | 2.7±0.1 | 29.3±0.4 | 1282.3±116.3 | 210.1±15.3 | 53.4±3.1 | 10.9±0.9 |
| Postoperative 12th hour | 5.1±0.1 | 2.7±0.2 | 29.3±0.5 | 1284.6±102.5 | 205.9±16.3 | 53.8±23.5 | 10.5±0.7 |
| Postoperative 24th hour | 5.1±0.1 | 2.7±0.8 | 29.3±0.5 | 1272.7±113.6 | 206.1±16.2 | 53.7±3.2 | 10.3±0.5 |
| Postoperative 48th hour | 5.2±0.1 | 2.6±0.2 | 29.5±0.5 | 1216.7±115.9 | 212.1±13.5 | 53.6±4.3 | 10.1±0.6 |
| Group C (n=20) | |||||||
| Before CPB | 4.1±0.5 | 2.4±0.1 | 24.3±0.6 | 1637.2±92.3 | 163.3±14.5 | 45.4±2.3 | 8.0±.04 |
| After CPB | 5.4±0.8† | 3.2±0.1*† | 29.4±0.4 | 1283.0±112.4 | 209.9±18.6 | 56.5±2.3*† | 12.9±0.6*† |
| Postoperative 1st hour | 5.3±0.4† | 3.0±0.9*† | 29.6±0.3 | 1269.4±123.8 | 218.1±14.3 | 56.4±2.4*† | 12.8±0.9 *† |
| Postoperative 6th hour | 4.9±0.6 | 2.8±0.2 | 26.5±0.4 | 1276.5±123.6 | 203.6±10.9 | 54.4±2.5 | 10.9±0.7 |
| Postoperative 12th hour | 5.0±0.5 | 2.7±0.1 | 29.5±0.4 | 1263.8±105.6 | 218.8±17.1 | 54.2±2.0 | 10.8±0.7 |
| Postoperative 24th hour | 5.0±0.4 | 2.7±0.1 | 29.4±0.0 | 1303.9±120.6 | 213.4±20.6 | 54.1±4.2 | 10.6±0.6 |
| Postoperative 48th hour | 4.9±1.0 | 2.8±0.1 | 29.4±0.4 | 1269.3±121.1 | 211.9±10.3 | 54.3±4.5 | 10.4±0.6 |
| CO: Cardiac output; CI: Cardiac index; SVI: Stroke volume index; SVR: Systemic vascular resistance; PVR: Pulmonary vascular resistance; LVSW: Left ventricular stroke work; RVSW: Right ventricular stroke work; SD: Standard deviation; CPB: Cardiopulmonary bypass; * p=0.01; Statistically significant for both preoperative and postoperative 1st, 6th, 12th, 24th and 48th hours; † p=0.01; statistically significant difference in terms of postoperative hemodynamic values. | |||||||