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Colloid Osmotic Pressure at BirthEffect of Sample Site, Type, and Mode of Delivery
Peter Loeb;
Garth I. Leslie, MB, BSc(Med), FRACP;
Michael McDevitt;
George Cassady, MD
Am J Dis Child. 1983;137(7):674-677.
Abstract
Colloid osmotic pressure was measured at birth in 102 newborns. Umbilical vein plasma colloid osmotic pressure correlated with total serum protein, birth weight, and gestational age. Mean colloid osmotic pressure of 11 infants who were small for gestational age was less than, and that of seven infants who were large for gestational age was more than, that of average-sized infants of similar gestation. For infants weighing 1,501 to 3,000 g, mean (±SD) colloid osmotic pressure following cesarean section (15.1±1.6 mm Hg) was lower than that following vaginal delivery (18.4±2.2 mm Hg). This may reflect the fact that use of maternal fluid therapy preceding cesarean section was greater than before vaginal delivery. The definition of normative values for neonatal plasma colloid osmotic pressure makes it possible to investigate changes in relation to disease, therapy, and subsequent outcome in sick neonates.
(Am J Dis Child 1983;137:674-677)
Author Affiliations
From the Perinatal Research Laboratory, Division of Perinatal Medicine, Department of Pediatrics, University of Alabama Medical Center, Birmingham.
Footnotes
Reprint requests to the Division of Perinatal Medicine, Department of Pediatrics, University of Alabama Medical Center, University Station, Birmingham, AL 35294 (Dr Cassady).
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