Resuscitation of haemorrhagic shock with normal saline vs. lactated Ringer's: effects on oxygenation, extravascular lung water and haemodynamics

Table 1 Laboratory values at study end

	Normal saline	Lactated Ringer's solution	p value
Sodium	137.9 ± 10.8	127.0 ± 8.2	0.432
Potassium	3.5 ± 0.2	4.1 ± 0.06	0.010
Calcium	1.22 ± 0.06	1.34 ± 0.01	0.039
Lactate	1.3 ± 0.3	6.0 ± 0.7	< 0.001
Bicarbonate	16.7 ± 1.7	27.8 ± 0.9	< 0.001
Partial pressure of arterial carbon dioxide	44.7 ± 3.0	43.3 ± 0.6	0.647
pH	7.17 ± 0.03	7.41 ± 0.02	< 0.001
Haemoglobin	4.7 ± 0.39	5.9 ± 0.35	0.039
Haematocrit	12.7 ± 1.1	16.56 ± 1.2	0.028

Results are reported as means ± standard error of the mean. Animals resuscitated with normal saline were more acidaemic (despite having lower lactates), were more anaemic and had lower serum calcium and potassium levels.

ISSN: 1364-8535