Table 4.
Surgery performed according to the time period[51] n (%)
|
Time period |
||||||
| Total |
Earlier period |
Later period |
P | |||
| 1997-1990 | 1991-2000 | 2001-2005 | 2006-2010 | |||
| Number of patients resected | 574 | 72 | 116 | 168 | 218 | |
| Resectability | 574/754 (76.1) | 72/93 (77.4) | 116/148 (78.4) | 168/216 (77.8) | 218/297 (73.4) | 0.406 |
| Type of hepatectomy1 | < 0.001 | |||||
| S1,4,5,6,7,8 | 43 (7.5) | 5 (6.9) | 11 (9.5) | 4 (2.4) | 23 (10.6) | |
| S1,5,6,7,8 | 177 (30.8) | 17 (23.6) | 40 (34.5) | 53 (31.5) | 67 (30.7) | |
| S1,2,3,4,5,8, | 110 (19.2) | 4 (5.6) | 12 (10.3) | 29 (17.3) | 65 (29.8) | |
| S1,2,3,4 | 187 (32.6) | 27 (37.5) | 35 (30.2) | 68 (40.5) | 57 (26.1) | |
| S1,4,5,8/S1,5,8/S1,4/S1 | 38 (6.6) | 13 (18.1) | 10 (8.6) | 11 (6.5) | 4 (1.8) | |
| Without hepatectomy | 19 (3.3) | 6 (8.3) | 8 (6.9) | 3 (1.8) | 2 (0.9) | |
| Combined resection | ||||||
| Pancreatoduodenectomy | 74 (12.9) | 9 (12.5) | 13 (11.2) | 20 (11.9) | 32 (14.7) | 0.553 |
| Portal vein resection | 206 (35.9) | 23 (31.9) | 36 (31.0) | 58 (34.5) | 89 (40.8) | 0.116 |
| Wedge resection | 36 | 15 | 6 | 10 | 5 | |
| Segmental resection | 170 | 8 | 30 | 48 | 84 | |
| Hepatic artery resection | 76 (13.2) | 0 | 5 (4.3) | 25 (14.9) | 46 (21.1) | < 0.001 |
| Operative time, min2 | 668 ± 134 | 664 ± 162 | 787 ± 170 | 675 ± 145 | 605 ± 134 | < 0.001 |
| Blood loss, mL2 | 2491 ± 2156 | 4414 ± 2791 | 3773 ± 3024 | 1898 ± 1268 | 1768 ± 1130 | < 0.001 |
| Homologous blood transfusion | 271 (47.2) | 68 (94.4) | 93 (80.2) | 46 (27.4) | 64 (29.4) | < 0.001 |
Homologous blood includes packed red blood cell and fresh-frozen plasma. Note that P indicates the statistical difference between the earlier period (1977-2000) and the later period (2001-2010).
1
Expressed as Couinaud’s hepatic segments resected;
2
Excluding 19 patients who did not undergo hepatectomy.