Ligamentum teres hepatis as a graft for portal and/or superior mesenteric vein reconstruction: From bench to bedside

Table 1 Diameter of the dilated ligamentum teres hepatis

Measure point1	Cases	Diameter in mm
1	104	12.82 ± 1.32
2	104	12.10 ± 1.29
3	104	11.19 ± 1.15
4	104	10.30 ± 1.09
5	104	9.55 ± 1.09
6	103	8.87 ± 1.12
7	84	8.19 ± 1.30
8	67	7.60 ± 1.32
9	44	7.37 ± 1.16
10	20	7.06 ± 1.88

¹At 1 cm intervals from the cranial end to the caudal end.

Table 2 Relative content and stiffness index of fibers in the ligamentum teres hepatis and portal vein

	EF (%)	CF (%)	SM (%)	C/E
LTH	11.23 ± 3.40	33.51 ± 7.71	15.61 ± 5.26	3.27 ± 1.22
PV	11.57 ± 2.80	32.11 ± 4.82	16.74 ± 4.83	3.94 ± 0.85
P value	0.62	0.33	0.32	0.16

P < 0.05 was considered statistically significant. C/E: Collagen/elastic (stiffness index); CF: Collagen fiber; EF: Elastic fiber; LTH: Ligamentum teres hepatis; PV: Portal vein; SM: Smooth muscle.

Table 3 Intraoperative data from 26 total patients

Variable	Value
Type of venous resection + reconstruction
Tangential + patch, n (%)	5 (19.23)
Segmental + interposition, n (%)	21 (80.77)
Length of the segmental resected vein in mm	40 (35-50)
Length of the interposition graft in mm	40 (30-40)
Operative time in min	485 (397.50-572.75)
Blood loss at surgery in mL	200 (150-300)
Vein clamping time in min	50 (40-60)

Data are expressed as medians and interquartile ranges unless otherwise indicated.

Table 4 Postoperative outcomes

Postoperative complications	Patients
Grade I	3
Bile leakage	2
Pulmonary infection	1
Grade II	5
Pancreatic leakage	1
Delayed gastric emptying, grade B	1
Pulmonary infection	2
Gastrointestinal hemorrhage	1
Grade III	2
Gastrointestinal bleeding	1
Lymphorrhea requiring abdominocentesis	1
Grade IV	0
Grade V, death	2
Overall morbidity, n/total (%)	10/26 (38.46)
Overall mortality, n/total (%)	2/26 (7.69)

Data are expressed as n, unless otherwise indicated.