Table 3.
Characteristics of patients with pure LRH vs. HALS/open conversion
| Characteristic | Pure LRH (n = 34) | HALS/open conversion (n = 6) | P |
|---|---|---|---|
| Sex (male), n (%) | 26 (76%) | 3 (50%) | 0.18 |
| Age (years) | 71.3 ± 1.9 | 67.3 ± 4.5 | 0.43 |
| BMI (kg/m2) | 22.8 ± 0.5 | 24.6 ± 1.2 | 0.17 |
| Diagnosis | 0.4 | ||
| CRLM, n (%) | 11 (32%) | 3 (50%) | |
| HCC, n (%) | 23 (68%) | 3 (50%) | |
| Frequency of hepatectomy (2 times/≥3 times), n (%) | 27 (79%)/7 (21%) | 3 (50%)/3 (50%) | 0.13 |
| Tumor location (S2-6/S7-8), n (%) | 26 (76%)/8 (24%) | 3 (50%)/3 (50%) | 0.18 |
| Maximum tumor size (mm) | 20.7 ± 1.5 | 26.8 ± 3.5 | 0.11 |
| Number of tumors | 1.3 ± 0.1 | 1.8 ± 0.2 | 0.01 |
| Previous hepatectomy | |||
| Laparoscopy/open, n (%) | 27 (79%)/7 (21%) | 3 (50%)/3 (50%) | 0.13 |
| Extent of resection (Hr0/HrS-1/Hr2-3), n (%) | 26 (76%)/7 (21%)/1 (2.9%)* | 3 (50%)/1 (17%)/2 (33%)* | 0.033 |
| The use of anti-adhesive agents, n (%) | 5 (15%) | 1 (17%) | 0.9 |
| Relationship to previous hepatectomy | |||
| Same/opposite lobe, n (%) | 23 (68%)/11 (32%) | 5 (83%)/1 (17%) | 0.44 |
| Adjacent/non-adjacent section, n (%) | 26 (76%)/8 (24%) | 6 (100%)/0 (0%) | 0.18 |
| RH (Hr0/HrS/Hr1-2), n (%) | 31 (91%)/1 (2.9%)*/2 (5.9%) | 4 (67%)/2 (33%)*/0 | 0.03 |
| RH requiring a repeat hepatic hilar approach, n (%) | 0 | 2 (33%) | 0.0006 |
| Tumor proximity to major vessels, n (%) | 1(2.9%) | 0 | 0.67 |
| IWATE criteria difficulty score | 3.5 ± 0.3 | 5.3 ± 0.8 | 0.04 |
| Operative time (min) | 194.1 ± 14.8 | 302.2 ± 35.1 | 0.007 |
| Blood loss (mL) | 97.3 ± 34.9 | 261.7 ± 81.9 | 0.07 |
| Complications after surgery (CD ≥ III), n (%) | 1 (2.9%) | 0 | 0.67 |
| Postoperative hospital stay (days) | 8.9 ± 0.6 | 9.0 ± 1.4 | 0.97 |
Abbreviations: BMI, body mass index; CD, Clavien-Dindo classification; CRLM, colorectal liver metastasis; HALS, hand-assisted laparoscopic surgery; HCC, hepatocellular carcinoma; LRH, laparoscopic repeat hepatectomy; RH, repeat hepatectomy
* Significant difference by post hoc analysis