Utility of liver surface-guided encirclement of hepatoduodenal ligament for the Pringle maneuver in minimally invasive repeat liver resection

Table 3 Clinicopathological characteristics and perioperative outcomes of cases with history of open liver, median (range)/n (%)

Variable	Initial group, n = 9	LSEH group, n = 11	P value
Age, years	68 (57-86)	70 (58-80)	0.939
Male sex	8 (88.9)	9 (81.8)	1.000
HCC
History of anatomical resection	1 (11.1)	6 (54.5)	0.070
History of multiple liver resection	3 (33.3)	5 (45.5)	0.670
Previous liver resection involved S1/4/5/6	6 (66.7)	8 (72.7)	1.000
Number of histories of liver resection ≥ 2	2 (22.2)	4 (36.4)	0.642
Anti-adhesion barrier use in prior liver resection	6 (66.7)	9 (81.8)	0.617
Recurrent tumor diameter, mm	15 (8-35)	20 (6-40)	0.219
Approaches of MISRLR
Laparoscopic	9 (100)	10 (90.9)	1.000
Robotic	0 (0)	1 (9.1)	0.219
Types of MISRLR
Partial hepatectomy	9 (100)	6 (54.5)	0.068
Sectionectomy	0 (0)	0 (0)
Left lateral sectionectomy	0 (0)	2 (18.2)
Segmentectomy	0 (0)	3 (27.3)
Pringle maneuver	0 (0)	11 (100)	< 0.001
Open conversion	0	0	NA
Blood loss, mL	30 (0-865)	90 (2-1005)	0.195
Operative time in minutes	240 (170-532)	379 (213-644)	0.026
Morbidity: ≥ Clavien-Dindo III	0	0	NA
Postoperative hospital stay, days	8 (6-21))	8 (6-13)	0.531
30-day mortality	0	0	NA
In-hospital mortality	0	0	NA

HCC: Hepatocellular carcinoma; LSEH: Liver surface-guided encirclement of hepatoduodenal ligament; MISRLR: Minimally invasive repeat liver resection; NA: Not available.