Extracorporeal membrane oxygenation in near-drowning patients with cardiac or pulmonary failure

Table 2 Patients’ laboratory findings and severity scores according to time sequences

Patients	1	2	3	4	5	6	7	8	9	Mean	SD
Initial ABGA
pH	7.28	7.24	6.93		6.8	7.3	6.99	7.23	7.23	7.13	0.19
PaCO₂ (mmHg)	33	36	51		105	42	103	36	34	55.0	30.8
PaO₂ (mmHg)	40	34	101		37	33	10	38	42	41.9	25.9
SaO₂ (%)	67	53	92	48		56		60	66	63.1	14.4
ABGA after ventilator support
pH	7.01	7.06	7.01	7.06		7.34		7.24	7.14	7.12	0.13
PaCO₂	94	74	61	55		37		38	40	57.0	21.3
PaO₂	67	57	50	39		155		69	52	69.9	38.9
PaO₂/FiO₂	67	57	50	39		155		69	52	69.9	38.9
ABGA prior to ECMO and severity scores
pH	7.28	7.21	7.38	7.04	6.8	7.28	6.88	7.26	7.2	7.15	0.20
PaCO₂	39	46	40	80	92	42	67	28	39	52.6	21.8
PaO₂	69	65	39	58	71	64	75	59	64	62.7	10.4
PaO₂/FiO₂	69	65	39	58		64		59	64	59.7	9.9
Lactate (mmol/l)	6.3	8.1	10.2	6.7	15	5.9	9.8	5.5	5.2	8.1	3.2
Murray score	3.3	3.7	3.3	4	4	2.3	4	4	3	3.5	0.6
SOFA score	12	14	10	13	13	9	13	10	9	11.4	1.9
SAPS-II	58	81	76	81	76	67	84	73	61	73.0	9.2
ABGA after ECMO and severity scores
pH	7.41	7.34	7.5	7.19	6.68	7.35	7.27	7.3	7.3	7.26	0.23
PaCO₂	29	23	28	41	33	30	26	26	26	29.1	5.3
PaO₂	87	92	97	82	548	250	243	138	102	182.1	152.1
PaO₂/FiO₂	290	153	149	182	1095	250	405	344	254	346.9	293.3
SaO₂	97	99	98	94	100	100	100	99	98	98.3	1.9
lactate (24 h)	1.8	5.3		1.8	4.9	2.5	6	1.9	3.1	3.4	1.7
SOFA score (24 h)	8	15	9	11	10	5	5	7	7	8.6	3.2
SAPS-II (24 h)	45	55	47	45	51	38	48	41	48	46.4	5.1

SD, standard deviation; ABGA, arterial blood gas analysis; PaCO₂, partial arterial carbon dioxide pressure; PaO₂, partial arterial oxygen pressure; SaO₂, arterial oxygen saturation; FiO₂, the fraction of inspired oxygen; ECMO, extracorporeal membrane oxygenation SOFA, sequential organ failure assessment; SAPS-II, simplified acute physiology score; lactate, normal range 0.7-2.1 mmol/l; 24 h, 24 h post-ECMO.

ISSN: 1757-7241