High Hematocrits in Newborns with Down's Syndrome: A Hitherto Undescribed Finding

An extremely high capillary hematocrit is a characteristic of newborn infants with Down's syndrome. These infants with extremely high hematocrits also had lower whole blood pro- thrombin values, probably reflecting the smaller proportion of plasma in the blood samples tested. Nevertheless, beca...

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Veröffentlicht in:	Clinical pediatrics 1972-08, Vol.11 (8), p.472-474
Hauptverfasser:	Lappalainen, J., Kouvalainen, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Down Syndrome - blood Down Syndrome - complications Hematocrit Hemorrhage - drug therapy Humans Infant, Newborn Prothrombin Thrombosis - chemically induced Vitamin K - adverse effects
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Zusammenfassung:	An extremely high capillary hematocrit is a characteristic of newborn infants with Down's syndrome. These infants with extremely high hematocrits also had lower whole blood pro- thrombin values, probably reflecting the smaller proportion of plasma in the blood samples tested. Nevertheless, because vitamin K given to newborns with extremely high hematocrits may aggravate the risk of thrombosis, the authors advise not giving it to such infants who have no signs of hemorrhages.
ISSN:	0009-9228 1938-2707
DOI:	10.1177/000992287201100813