Table 1.
Baseline and operative characteristics
| PVE (n = 298) | No PVE (n = 1186) | p Value | |
|---|---|---|---|
| Age, years [median (IQR); n = 1484] | 64 (56–71) | 65 (57–72) | 0.302 |
| Male sex (n = 1484) | 150 (50) | 700 (59) | 0.007 |
| ASA classification (n = 1386) | 0.574 | ||
| I | 24 (8) | 127 (12) | |
| II | 155 (54) | 554 (50) | |
| III | 104 (36) | 404 (37) | |
| IV | 4 (1) | 14 (1) | |
| Jaundice at presentation (n = 1370) | 233 (86) | 861 (78) | 0.001 |
| Baseline bilirubin level [median (IQR); n = 1108] | 86 (16–207) | 58 (15–171) | < 0.001 |
| Biliary drainage (n = 1370) | < 0.001 | ||
| None | 22 (8) | 213 (18) | |
| PTBD | 74 (25) | 300 (25) | |
| EBD | 138 (47) | 502 (43) | |
| Both | 61 (21) | 165 (14) | |
| Preoperative cholangitis (n = 1400) | 63 (21) | 238 (22) | 1.000 |
| Bismuth classification (n = 1452) | < 0.001 | ||
| Left/right duct | 4 (1) | 32 (3) | |
| I | 16 (6) | 41 (4) | |
| II | 23 (8) | 117 (10) | |
| IIIA | 139 (48) | 329 (28) | |
| IIIB | 12 (4) | 367 (32) | |
| IV | 95 (33) | 277 (24) | |
| Resection type (n = 1484) | < 0.001 | ||
| Left hemihepatectomy | 18 (6) | 442 (37) | |
| Extended left hemihepatectomy | 3 (1) | 233 (20) | |
| Right hemihepatectomy | 56 (19) | 191 (16) | |
| Extended right hemihepatectomy | 221 (74) | 265 (22) | |
| Other | – | 55 (5) | |
| Portal vein reconstruction (n = 1481) | 148 (50) | 327 (28) | < 0.001 |
| Future liver remnant volume share [median (IQR)] | |||
| Baseline (n = 510) | 23 (19–29) | – | |
| After PVE (n = 131) | 33 (27–39) | 42 (31–66) | < 0.001 |
| Preoperative bilirubin level [median (IQR); n = 1068] | 15 (8–35) | 21 (10–44) | < 0.001 |
Data are expressed as n (%) unless otherwise specified
PVE Portal vein embolization, IQ R interquartile range, ASA American Society of Anesthesiologists, PTBD percutaneous transhepatic biliary drainage, EBD endoscopic biliary drainage