Risk factors for myocardial injury during living donor liver transplantation in pediatric patients with biliary atresia

Table 2 Intraoperative recipient-related data and donor-related data

Variable	Non-myocardial injury (n = 160)	Myocardial injury (n = 142)	P value
Vital signs immediately before reperfusion
HR (bpm/min)	118 ± 13	117±13	0.515
MAP (mmHg)	60 (54-67)	56 (51-62)	0.001
CVP (mmHg)	5 (4-7)	5 (3-7)	0.454
Temperature (°C)	36.5 (35.9-37.0)	36.5 (35.8-37.0)	0.652
Laboratory findings before reperfusion
pH	7.39 ± 0.07	7.39 ± 0.07	0.952
PCO2 (mmHg)	34 (30-39)	33 (30-38)	0.148
PO2 (mmHg)	257 (176-309)	242 (170-312)	0.472
Lactate (mmol/L)	2.5 (1.8-3.2)	2.7 (2.2-3.8)	0.002
Base excess (mmol/L)	-4.2 (-6.5--1.7)	-4.8 (-6.8--3.1)	0.102
Ca (mmol/L)	1.08 (1.01-1.17)	1.09 (1.00-1.15)	0.648
K (mmol/L)	3.8±0.6	3.8±0.5	0.448
Hemoglobin (g/L)	84 (75-93)	81 (72-91)	0.038
Duration of anhepatic phase (min)	56 (47-67)	62 (50-76)	0.019
Donor-related data
Cold ischemic time (min)	80 (64-106)	90 (71-111)	0.023
Graft weight (g)	244 (217-277)	243 (208-278)	0.654
PRS (%)	54 (33.8)	76 (53.5)	0.001
The data at the end of the surgery
Duration of surgery (min)	542 (495-600)	540 (484-593)	0.814
Duration of anesthesia (min)	616 (555-651)	610 (559-650)	0.984
Blood loss (mL)	300 (200-400)	350 (200-400)	0.378
Urine output (mL)	400 (300-600)	400 (248-600)	0.909
RBCs transfusion (units)	2.0 (1.5-3.0)	2.0 (2.0-3.0)	0.078
FFP transfusion (mL)	0 (0-100)	0 (0-200)	0.009

HR: Heart rate; MAP: Mean arterial pressure; CVP: Central venous pressure; PRS: Postreperfusion syndrome; RBCs: Red blood cells; FFP: Fresh frozen plasma.