Table 4.
Preoperative treatment and types of surgery
| Patients with previous CE n = 16 | Patients without previous CE n = 227 | Total n = 243 | P value | |
| Preoperative biliary drainage | 2 (12.5%) | 14 (6.2%) | 16 (6.6%) | 0.2842 |
| Types of surgical procedures | ||||
| Absence of resection | 1 (6.3%) | 5 (2.2%) | 6 (2.5%) | 0.3384 |
| Elective surgery | 14 (87.5%) | 214 (94.3%) | 228 (93.8%) | 0.2583 |
| Emergency surgery | 1 (6.2%) | 9 (4.0%) | 10 (4.1%) | 0.5007 |
| Complete cyst excision | 13 (81.2%) | 199 (87.6%) | 212 (87.2%) | 0.6631 |
| Incomplete cyst excision | 2 (12.5%) | 23 (10.1%) | 25 (10.3%) | |
| Superior excision | 1 (6.3%) | 13 (5.7%) | 14 (5.8%) | |
| Inferior excision | 1 (6.3%) | 9 (4.0%) | 10 (4.1%) | - |
| Unknown | 0 | 1 (0.4%) | 1 (0.4%) | |
| Associated procedures | ||||
| Hepatectomy | 2 (12.5%) | 4 (1.8%) | 6 (2.5%) | 0.0523 |
| Pancreaticoduodenectomy | 4 (25.0%) | 4 (1.8%) | 8 (3.3%) | 0.0008 |
| Stone extraction | 2 (12.5%) | 10 (4.4%) | 12 (4.9%) | 0.2072 |
| Synchronous cancer excision | 5 (31.3%) | 13 (5.7%)1 | 18 (7.8%) | 0.0043 |
| Biliary reconstruction | ||||
| Hepatico-jejunostomy | 13 (81.2%) | 208 (91.6%) | 221 (90.9%) | 0.1658 |
| Hepatico-duodenostomy | 2 (12.5%) | 7 (3.1%) | 9 (3.7%) | 0.1116 |
| Choledoco-duodenostomy | 0 | 1 (0.4%) | 1 (0.4%) | 1.0000 |
| MBC anastomosis | 8/14 (57.1%) | 96/180 (53.3%) | 104/194 (53.6%) | 0.7831 |
CE: Cyst-enterostomy; MBC: Main biliary convergence;
1
secondary central hepatectomy was performed after good response of chemotherapy.