Dilutional acidosis during whole lung lavage under general anesthesia due to excessive absorption of normal saline

JA Clinical Reports

Table 1 Arterial blood gas analysis before, during, and after lavage of the left lung

	Spontanous ventilation under room air	After degassing	After 12th lavage	After completion of lavages	10 hours after lavage in ICU
		(FiO₂= 1.0, BLV)	(FiO₂=1.0, OLV)	(FiO₂= 1.0, BLV)	(FiO2 = 0.4 BLV)
pH	7.425	7.387	7.349	7.337	7.366
PaO2 (mmHg)	57.5	94.9	249.7	326.8	188
PaCO2 (mmHg)	36.3	41.9	26.3	36.8	39.3
Na (mEq/l)	139.8	136.4	138	138.8	136.5
Cl (mEq/l)	105	104	116	113	109
HCO3- (mEq/l)	23.3	24.6	14.2	19.3	22
K (mEq/l)	3.87	3.41	2.77	3.41	3.95
SID (mEq/l)	38.67	35.81	24.77	29.21	31.45
base excess (mEq/l)	-0.7	-0.4	-10.2	-5.9	-2.6
Hb (g/dl)	12.9	11.6	8.8	9.9	11.6
glucose (mg/dl)	97	201	50	87	141

ABG arterial blood gas examination, BLV bilateral ventailation, OLV one lung ventilation