Donor preoperative oxygen delivery and post-extubation hypoxia impact donation after circulatory death hypoxic cholangiopathy

Table 3 Comparison of patients with preoperative multiple pressors or red blood cell transfusion

	(-) Multiple-pressor/RBC	(+) Multiple-pressor/RBC	P value
n	29 (67.4%)	14 (32.6%)
Hypoxic cholangiopathy	19 (65.5%)	2 (14.3%)	0.001
Initial pH	7.33 ± 0.14	7.25 ± 0.12	0.08
Pre-op pH	7.43 ± 0.06	7.39 ± 0.08	0.07
Initial PaO2	156.4 ± 84.0	133.6 ± 117.6	0.48
Pre-op PaO2	171.5 ± 106.1	191.2 ± 129.8	0.60
Initial SpO2 (%)	97.5 ± 2.7	92.2 ± 9.9	0.012
Pre-op SpO2 (%)	97.9 ± 2.0	95.9 ± 8.8	0.41
Initial P/F O2	228.5 ± 116	191.4 ± 93	0.40
Pre-op P/F O2	212.5 ± 101	243.8 ± 126	0.41
Initial PEEP (cmH2O)	6.0 ± 2.7	5.6 ± 3.9	0.69
Pre-op PEEP (cmH2O)	7.1 ± 4.6	7.0 ± 4.5	0.96
Pre-op hemoglobin (g/dL)	11.8 ± 1.9	11.8 ± 2.5	0.99
Arterial O2 content (mL/100 mL)	16.2 ± 2.5	16.1 ± 4.0	0.93
Pre-op systolic pressure (mmHg)	133.6 ± 21.9	123.5 ± 26.8	0.19
Pre-op diastolic pressure (mmHg)	74.3 ± 15.7	64.3 ± 18.1	0.06
Pre-op mean pressure (mmHg)	92.1 ± 16.6	82.1 ± 19.2	0.08
Pre-op heart rate (bpm)	92.3 ± 20.2	96.9 ± 22.3	0.49

Complete data available for 43/45 (95.6%) patients. RBC: Red blood cell; PEEP: Positive end-expiratory pressure.