Table 2. Perioperative and operative management characteristics of the included studies.
| Authors | Group | Pre-operative chemotherapy [n, (%)] | Post-operative chemotherapy [n, (%)] | Vascular clamping | Major liver resection [n, (%)] | Abdominal drain |
|---|---|---|---|---|---|---|
| Montalti et al. (32) | LLR/OLR | 41 (72.0)/39 (68.0) | 35 (58.0)/33 (58.0) | Selective | 13 (22.8)*/13 (22.8) | Selective |
| Iwahashi et al. (26) | LLR/OLR | NR | NR | Selective | 3 (14.3)/2 (9.5) | Selective, for major resections |
| Cheung et al. (27) | LLR/OLR | 4 (20.0)/10 (25.0) | NR | No | 1 (5.0)*/2 (5.0) | Selective |
| Guerron et al. (30) | LLR/OLR | 27 (68.0)/26 (65.0) | 18 (45.0)/16 (40.0) | Selective | 5 (12.5)/9 (22.5) | Selective, for major resections |
| Cannon et al. (31) | LLR/OLR | 31 (89.0)/117 (84.0) | NR | NR | 19 (54.3)*/71 (50.7) | NR |
| Topal et al. (28) | LLR/OLR | 55 (67.9)/119 (61.7) | 50 (61.7)/124 (64.2) | Selective | 18 (22.2)/82 (42.5) | NR |
| Welsh et al. (29) | LLR/OLR | 65 (24.4)/217 (24.5) | NR | Selective | 165 (62.0)/553 (62.4) | NR |
| Castaing et al. (25) | LLR/OLR | 34 (56.7)/34 (56.7) | 34 (57.0)/50 (83.0) | Selective | 26 (43.3)/25 (41.7) | NR |
*, groups matched on extent of hepatectomy. LLR, laparoscopic liver resection; OLR, open liver resection; NR, not reported.