Non-invasive Measurement of Hemoglobin in Infants and Neonates

Non-invasive Measurement of Hemoglobin in Infants and Neonates: Comparison With CO-oximetrie and Point-of-care Devices.

Non-invasive measurement of hemoglobin in infants and neonates scheduled for elective congenital heart surgery, weighing between 3kg and 20 kg. SpHb measurement will be compared to the gold standard of hemoglobin measurement - CO-oximetrie - and to the point-of-care (GEM 3500 premiere).

Non-invasive measurement of hemoglobin in infants and neonates scheduled for elective congenital heart surgery, weighing between 3kg and 20 kg. SpHb measurement will be compared to the gold standard of hemoglobin measurement - CO-oximetrie - and to the point-of-care (GEM 3500 premiere). Data collection whenever an arterial blood gas analysis is indicated by the experienced attending anesthetist - before and after cardiopulmonary bypass.

Inclusion Criteria:

• scheduled for elective congenital heart surgery
• routine use of an arterial line
• weight >= 3000g

Exclusion Criteria:

• urgent surgery
• premature birth
• parents refuse