2002
DOI: 10.1016/s1470-0328(02)01572-0
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Cord blood sampling at delivery: do we need to always collect from both vessels?

Abstract: The literature suggests that up to 19% of umbilical cord blood samples are invalid. Accordingly, it has been proposed that blood should be universally collected from both vessels. We prospectively collected paired arterial and venous blood to examine whether our centre, where staff were experienced in single vessel collection, was more accurate. Of 289 paired samples, 53 (18.3%) were considered invalid. Despite this significant error rate, we propose that routinely, only arterial sampling is needed and that an… Show more

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Cited by 11 publications
(19 citation statements)
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“…Dans les autres é tudes ré alisé es concernant la validation des gazomé tries, ce pourcentage varie entre 6 % pour Arikan et al [15], 13 % pour Victory et al [7], 14 % pour Kro et al [11], 18,3 % pour Tong et al [16], et 19,4 % pour Westgate et al [10]. Une diffé rence est cependant à noter concernant notre é tude ; nous avons utilisé des critè res plus restrictifs que Westgate et al [10], Arikan et al [15], Victory et al [7] et Tong et al [16], ce qui pourrait expliquer que nous avons un pourcentage de gazomé tries non fiables un peu plus é levé que la moyenne.…”
Section: Discussionunclassified
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“…Dans les autres é tudes ré alisé es concernant la validation des gazomé tries, ce pourcentage varie entre 6 % pour Arikan et al [15], 13 % pour Victory et al [7], 14 % pour Kro et al [11], 18,3 % pour Tong et al [16], et 19,4 % pour Westgate et al [10]. Une diffé rence est cependant à noter concernant notre é tude ; nous avons utilisé des critè res plus restrictifs que Westgate et al [10], Arikan et al [15], Victory et al [7] et Tong et al [16], ce qui pourrait expliquer que nous avons un pourcentage de gazomé tries non fiables un peu plus é levé que la moyenne.…”
Section: Discussionunclassified
“…Dans un premier temps il est primordial de bien identifier l'artè re et la veine afin de ne pas se tromper dans les pré lè vements, de bien é tiqueter les tubes et de ne pas les inverser une fois pré levé s [16].…”
Section: Discussionunclassified
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“…Vessel sampling errors occur in approximately 20% of umbilical cord blood collections where either a mixed arterial/venous sample is collected, or the sample was inadvertently taken from the opposite vessel to that intended (i.e. vein instead of artery) 10,11 . Therefore, only validated samples, using previously proposed criteria, 10,11 were utilised in this study.…”
Section: Methodsmentioning
confidence: 99%
“…vein instead of artery) 10,11 . Therefore, only validated samples, using previously proposed criteria, 10,11 were utilised in this study. Briefly, samples were considered valid only when umbilical vein pH was >0.02 and CO 2 < −4 mmHg, relative to the artery.…”
Section: Methodsmentioning
confidence: 99%