Table 5.
Comparison of pre- and post-operative routine coagulation tests and thromboelastography parameters among bleeders (n=6) and nonbleeders (n=44)
| Parameters | Preoperative | P | Postoperative | P | ||
|---|---|---|---|---|---|---|
| Nonbleeders | Bleeders | Nonbleeders | Bleeders | |||
| RCT | ||||||
| PT (s) | 15.5±1.8 | 15.4±2.3 | 0.12 | 20±2.8 | 20.2±4.9 | 0.08 |
| APTT (s) | 34.7±7.5 | 31.7±3.0 | 0.19 | 41.0±8.8 | 37.8±9.7 | 0.34 |
| FIB (mg/dl) | 244±84 | 202±54 | 0.06 | 182±85 | 132±43 | 0.04 |
| D-dimer | 0.54±0.6 | 1.2±2.2 | 0.06 | 1.2±0.8 | 1.8±1.2 | 0.08 |
| PLT | 222±76 | 164±63 | 0.08 | 149±41 | 125±52 | 0.08 |
| TEG | ||||||
| r-Time | 7.3±1.9 | 6.2±1.4 | 0.98 | 6.2±1.6 | 8.7±3.7 | 0.06 |
| k-Time | 2.7±1.0 | 2.6±1.0 | 0.43 | 2.3±0.9 | 2.8±1.1 | 0.52 |
| Alpha angle | 54.0±10.3 | 56.9±9.5 | 0.92 | 58.9±9 | 56.2±9.2 | 0.52 |
| MA | 65.8±9.4 | 62.5±6.5 | 0.54 | 61.7±6.3 | 56.0±4.0 | 0.34 |
| LY 30 | 0.13±0.3 | 0.6±1.5 | 0.10 | 0.4±2.1 | 0.8±2.0 | 0.08 |
RCT: Routine coagulation tests, TEG: Thromboelastography, APTT: Activated partial thromboplastin time, PT: Prothrombin time, PLT: Platelet, FIB: Fibrinogen, LY: Lysis, MA: Maximum amplitude