Portal vein arterialization in 25 liver transplant recipients: A Latin American single-center experience

Table 3 Surgical variables according to the timing of portal vein arterialization

Intraoperative events	Pre-reperfusion PVA	%	Post-reperfusion PVA	%	Overall	%	P value
n	15	60.0	10	40.0	25	100.0
Surgical time (h)	8.60 [7.7-10.90; 3.9]2		5.6 [4.2-8.82; 2.8]2		7.2 [6.8-9.5; 4.30]2		0.004
Arterialization technique							0.130
Supraceliac graft	7	47.0	1	10.0	8	32.0
Infrarenal graft	5	33.0	7	70.0	12	48.0
ARHA	1	7.0	1	10.0	2	8.0
Splenic artery	0	0.0	1	10.0	1	4.0
AMA	2	13.0	0	0.0	2	8.0
Thrombectomy3	6	40.0	3	30.0	9	36.0	0.691
CIT (h)	9.87 [4.0-13.8; 2.4]2		8.81 [4.9-13.7; 2.7]2		9.4 [4.0-13.8; 1.5]2		0.322
CIT > 10 h	6	40.0	3	30.0	9	36.0	0.691
WIT (min)	43.33 [22.0-8.0; 13.8]2		40.50 [24.0-65.0; 12.6]2		42.2 [22.0-78.0; 12.8]2		0.6
WIT > 45 (min)	5		3	30.0	8	32.0	1
PRBCs (Units)	12.00 [6.7-18.0; 13.0]1		4.50 [1.8-12.8; 1]1		10.0 [6.4-14.2; 12.0]1		0.160
Plasma (Units)	18.00 [12.2-3.1;15.0]1		12.00 [8.9-16.5; 8.3]1		12.0 [12.2-22.1; 13.0]1		0.414
Cryoprecipitates (Units)	22.00 [14.0-3.6;1]1		20.00 [7.0-21.4; 20.3]1		20.0 [13.5-3.0; 17.5]1		0.103
Platelets (Units)	12.00 [4.6-4.1; 24.0]1		9.0 [0.0-30.7; 17.0]1		12.0 [7.6-3.1; 27.0]1		0.311
PVA after LT	0	0.0	4	40.0	4	16.0	0.170

¹Continuous variables without normal distribution [median (p5-95; IQR)]. They were compared using Mann-Whitney’s U test.

²Continuous variables with normal distribution [mean (min-max; SD)], they were compared using Student’s T test.

³Whether mechanical thrombectomy or thromboendovenectomy. ARHA: Accessory right hepatic artery; AMA: Accessory mesenteric artery; CIT: Cold ischemia time; WIT: Warm ischemia time; PVA: Portal vein arterialization; LT: Liver transplant; PRBC: Packed red blood cells.