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A protocol for the routine measurement of lactate and pyruvate in cord blood
A Prentice1, P Vadgama, D R Appleton
1University Department of Obstetrics and Gynaecology, Princess Mary Maternity Hospital, Newcastle upon Tyne.
British Journal of Obstetrics and Gynaecology
|July 1, 1989
Abstract:
The influence of the site of sampling and the delay in sample collection on cord blood concentrations of lactate and pyruvate were investigated. A delay in sample collection of greater than 1 min after cord clamping could invalidate the results obtained. Samples from umbilical artery had higher lactate values (mean 3.13 mmol/l) than paired vein samples (mean 2.32 mmol/l) but there were no significant differences in lactate values between different sites sampled within the umbilical vein. A calculation was devised to circumvent the need to take cord blood samples immediately after delivery.