Table 2.
Results of Pre-operative Hemodynamic and Laboratory Examinations
| Variablea | Group non-NC (n = 264) |
Group NC (n = 43) |
p-value (Non-NC vs NC) |
Group CVA (n = 35) |
p-value (Non-NC vs CVA) |
|---|---|---|---|---|---|
| Hemodynamic variables | |||||
| Cardiac index, liters/min/m2 | 1.8 ± 0.4 | 1.7 ± 0.3 | 0.118 | 1.7 ± 0.5 | 0.179 |
| PAWP, mm Hg | 28.4 ± 8.1 | 2.3 ± 8.9 | 0.268 | 28.8 ± 10.0 | 0.790 |
| Mean pressure, mm Hg | |||||
| Pulmonary artery | 36.2 ± 9.4 | 38.5 ± 9.7 | 0.140 | 37.2 ± 12.0 | 0.568 |
| Right atrial | 12.9 ± 7.9 | 13.2 ± 7.8 | 0.817 | 12.6 ± 8.0 | 0.833 |
| Atrial | 79.1 ± 12.8 | 76.3 ± 9.6 | 0.171 | 77.1 ± 10.0 | 0.375 |
| Vascular resistance, WU | |||||
| Peripheral | 3.8 ± 2.2 | 3.9 ± 2.4 | 0.785 | 3.7 ± 2.5 | 0.804 |
| Systemic | 23.1 ± 6.3 | 23.8 ± 9.2 | 0.530 | 23.8 ± 7.9 | 0.550 |
| Laboratory examinations | |||||
| White cell count, ×103/µl | 8.2 ± 2.3 | 9.0 ± 3.9 | 0.060 | 9.0 ± 3.8 | 0.078 |
| Lymphocytes, % | 11.4 ± 5.2 | 10.9 ± 3.7 | 0.545 | 10.3 ± 4.6 | 0.234 |
| Hematocrit, % | 33.2 ± 5.9 | 32.4 ± 6.2 | 0.304 | 32.1 ± 6.3 | 0.414 |
| Platelets, ×103/µl | 191 ± 86 | 190 ± 80 | 0.898 | 189 ± 85 | 0.876 |
| Bilirubin, mg/dl | |||||
| Total | 1.7 ± 1.3 | 1.8 ± 1.5 | 0.678 | 1.6 ± 1.6 | 0.375 |
| Direct | 0.6 ± 0.5 | 0.7 ± 0.7 | 0.254 | 0.7 ± 0.9 | 0.322 |
| Sodium, mEq/L | 132.1 ± 8.1 | 129.0 ± 7.0 | 0.018 | 129.1 ± 7.1 | 0.038 |
| Potassium, mEq/L | 4.3 ± 0.5 | 4.4 ± 0.5 | 0.225 | 4.4 ± 0.4 | 0.257 |
| Blood urea nitrogen, mg/dl | 37 ± 18 | 35 ± 19 | 0.460 | 34 ± 18 | 0.442 |
| Creatinine, mg/dl | 1.6 ± 0.4 | 1.5 ± 0.9 | 0.224 | 1.5 ± 0.7 | 0.212 |
| Albumin, mg/dl | 3.7 ± 0.6 | 3.5 ± 0.7 | 0.049 | 3.5 ± 0.7 | 0.030 |
| ALT, IU/liter | 99 ± 100 | 88 ± 96 | 0.509 | 91 ± 91 | 0.661 |
| AST, IU/liter | 72 ± 86 | 55 ± 77 | 0.231 | 60 ± 77 | 0.428 |
| BNP, pg/ml | 1835 ± 1117 | 2101 ± 1046 | 0.145 | 1921 ± 946 | 0.663 |
| International normalized ratio | 1.4 ± 0.5 | 1.3 ± 0.4 | 0.213 | 1.3 ± 0.3 | 0.249 |
| Echocardiographic parameters | |||||
| LVEDD, mm | 69.5 ± 12.1 | 71.9 ± 12.8 | 0.240 | 70.7 ± 12.5 | 0.588 |
| LVEF, % | 18.4 ± 10.0 | 20.0 ± 12.4 | 0.353 | 19.1 ± 10.8 | 0.713 |
ALT, Alanine aminotransferase; AST, aspartate aminotransferase; BNP, brain natriuretic peptide; CVA, cerebrovascular accident; LVEDD, left ventricular end-diastolic diameter; LVEF, left ventricular ejection fraction; NC, neurologic complication; PAWP, pulmonary arterial wedge pressure.
a
Data are presented as mean ± standard deviation.