title: Double stopcock technique for blood sampling from umbilical artery catheters.
abstract: Umbilical artery catheters have an established place in neonatal intensive care. A double stopcock technique is described for sampling blood from umbilical catheters. This method improves accuracy in blood withdrawal, avoids contamination of samples, and reduces blood loss to a minimum.
mesh_terms: D001800:Blood Specimen Collection / Q000379:methods*; D002404:Catheterization; D006801:Humans; D007231:Infant, Newborn; D014469:Umbilical Arteries