Table 1. Patient characteristics and correlation with grade of non-malignant PVT.
| Variables | Grade of PVT | ||
|---|---|---|---|
| Non-complex PVT (n=22) | Complex PVT (n=16) | P valuea | |
| Pre-LT characteristics | |||
| Male, gender, n (%) | 17 (77.3) | 11 (68.8) | 0.556 |
| Age, >50 years, n (%) | 16 (72.7) | 10 (62.5) | 0.503 |
| HBV etiology, n (%) | 15 (68.2) | 13 (81.3) | 0.366 |
| Child score at LT, C, n (%) | 11 (50.0) | 9 (56.3) | 0.816 |
| Pre-LT operation, n (%) | 7 (31.8) | 6 (37.5) | 0.715 |
| Pre-LT variceal bleeding, n (%) | 11 (50.0) | 5 (31.3) | 0.248 |
| Pre-LT ascites, n (%) | 20 (90.9) | 15 (93.8) | 0.748 |
| Pre-LT encephalopathy, n (%) | 6 (27.3) | 1 (6.3) | 0.099 |
| Splenorenal shunt, n (%) | 0 (0.0) | 6 (37.5) | 0.002 |
| Surgical characteristics | |||
| Portal anastomosis, PPA, n (%) | 22 (100.0) | 0 (0.0) | <0.001 |
| Interposed graft, n (%) | 0 (0.0) | 7 (43.8) | 0.001 |
| Operative time (min) (mean, SD) | 311.77 (81.03) | 366.06 (70.36) | 0.038 |
| Anhepatic time (min) (mean, SD) | 73.36 (33.98) | 85.31 (47.55) | 0.372 |
| Estimated blood loss (mL) (mean, SD) | 1,769.55 (1430.29) | 2,225 (870.63) | 0.267 |
| RBC transfusion (units) (mean, SD) | 3.93 (3.82) | 8.97 (5.63) | 0.002 |
| Fresh frozen plasma (ml) (mean, SD) | 983.18 (376.2) | 1,118.13 (330.62) | 0.259 |
| Post-LT complications | |||
| Anastomotic thrombosis, n (%) | 1 (4.5) | 0 (6.3) | 0.816 |
| Anastomotic stricture, n (%) | 1 (4.5) | 4 (25) | 0.066 |
| Related to portal hypertension, n (%) | 1 (4.5) | 0 (0.0) | 0.387 |
| Not related to portal hypertension, n (%) | 7 (31.8) | 7 (43.8) | 0.452 |
| Survival after excluding death not related to surgical complication, n (%) | 22 (100.0) | 16 (100.0) | 1.000 |
| Overall Survival, n (%) | 22 (100.0) | 13 (81.3) | 0.034 |
a, Chi-square test. PVT, portal vein thrombosis; LT, liver transplantation; HBV, hepatitis B virus; PPA, porto-portal anastomosis; SD, standard deviation.