Efficiency and safety of laparoscopic left hemihepatectomy: A study of intrathecal vs extrathecal Glissonean pedicle techniques

Table 1 Comparisons of general data and tumor status between the two groups

	EGP group	IGP group	Statistics	P value
Age (years)	54.9 ± 11.4	54.6 ± 12.9	t = 0.103	0.919
Sex (male/female)	16/8	17/8	χ2 = 0.01	0.921
BMI (kg/m2)	23.5 ± 1.8	24.4 ± 2.2	t = 1.642	0.107
ASA grade (I-II)	17/7	21/4	χ2 = 1.219	0.26
Child-Pugh class (A/B)	16/8	16/9	χ2 = 0.038	0.845
Tumor diameters (cm)	4.46 ± 0.83	4.20 ± 0.68	t = 1.150	0.256
HBsAg (negative/positive)	8/16	5/20	χ2 = 1.117	0.291

EGP: Extrathecal Glissonean pedicle transection; IGP: Intrathecal Glissonean pedicle transection; BMI: Body mass index; ASA: American Society of Anesthesiologists; HBsAg: Hepatitis B surface antigen.

Table 2 Comparison of perioperative indicators between the two groups

	EGP group	IGP group	Statistics	P value
Operation time (minute)	129.6 ± 19.0	184.8 ± 26.0	t = 8.444	0.000
Hepatic pedicle transection time (minute)	16.1 ± 2.3	25.5 ± 2.4	t = 14.016	0.000
Intraoperative blood loss (mL)	347.1 ± 118.3	306.0 ± 110.2	t = 1.259	0.214
Time to anal exhaust (hour)	33.7 ± 10.7	31.0 ± 8.6	t = 0.945	0.349
Drain indwelling time (day)	2.25 (2.3)	3.0 (2.3)	Z = 0.991	0.322
Hospital stay (day)	7 (6.8)	7 (6.7)	Z = 1.730	0.084

EGP: Extrathecal Glissonean pedicle transection; IGP: Intrathecal Glissonean pedicle transection.

Table 3 Comparison of postoperative liver function indexes between the two groups

	Groups	Post-op day 1	Post-op day 3	Post-op day 5
TBIL (μmoL/L)	EGP group	57.80 ± 1.72	48.46 ± 5.45	32.46 ± 1.56
	IGP group	57.02 ± 2.56	47.6 ± 3.04	32.82 ± 1.51
	Statistics	t = 1.253	t = 0.707	t = 0.814
	P value	0.216	0.483	0.420
AST (U/L)	EGP group	240.13 ± 6.48	157.73 ± 9.67	124.96 ± 2.46
	IGP group	237.09 ± 9.32	155.40 ± 7.93	125.22 ± 4.05
	Statistics	1.320	0.871	0.259
	P value	0.193	0.388	0.797
ALP (U/L)	EGP group	164.45 ± 2.84	145.46 ± 3.19	93.91 ± 4.60
	IGP group	163.35 ± 3.12	143.67 ± 3.19	92.36 ± 4.04
	Statistics	t = 1.281	t = 1.967	t = 1.259
	P value	0.206	0.055	0.214

EGP: Extrathecal Glissonean pedicle transection; IGP: Intrathecal Glissonean pedicle transection; Post-op: Postoperative; TBIL: Total bilirubin; ALP: Alkaline phosphatase; AST: Aspartate aminotransferase.