Table 3

Renal function and metabolic effects


Start of ECMO
0 hours
24 hours
48 hours
72 hours

Renal function





     ◦ Creatinine (μmol/l)
35 (19–106)
29.5 (19–106)
40.5 1(6–131)
44 (22–112)
23 (20–41)
     ◦ BUN (mmol/l)
2.05 (1.1–3.8)
2.2 (1.1–3.8)
3.7 (0.9–8)
6 (0.9–7.1)
2.1 (1.5–6)
     ◦ Albumin (g/l)
24 (19–27)
26 (23–35)
28 (25–34)
28 (25–31)
29 (27–29)
Acid-base balance





     ◦ pH
7.3 (6.97–7.47)
7.4 (7.24–7.47)
7.42 (7.38–7.48)
7.48 (7.43–7.6)
7.47 (7.45–7.67)
     ◦ Bicarbonate level (mmol/l)
22.2 (17.4–33.5)
24.2 (17.4–33.5)
29.8 (23.4–35.2)
31.8 (23.8–35.1)
33.9 (26.3–36.5)
     ◦ Base excess
-4 (-12 to 9)
1 (-9 to 9)
5 (-1 to 10)
7 (1–10)
8 (3–14)
Serum electrolytes





     ◦ Sodium (mmol/l)
140 (138–147)
142 (136–147)
136 (132–142)
135 (133–143)
134 (132–141)
     ◦ Potassium (mmol/l)
3.3 (3.1–4.1)
3.3 (2.8–5.4)
3.85 (3.2–6.2)
3.6 (3.1–4.1)
3.9 (3.5–5.7)
     ◦ Chloride (mmol/l)
106.5 (104–109)
104 (104–104)
102 (100–112)
95 (92–98)
99 (95–107)

Data presented as the median (range). ECMO, extracorporeal membrane oxygenation.

van der Vorst et al. Critical Care 2007 11:R111   doi:10.1186/cc6146