Umbilical cord blood gases for term healthy newborns.
Examination of paired umbilical arterial and umbilical venous blood gases for 147 term, healthy newborns revealed a strong correlation of pH, bicarbonate, and base excess with the 1-minute Apgar score. Although significantly different from each other, a strong correlation existed between the gas measurements of the two vessels. The lower limit of pH for the umbilical artery was 7.12 and for the vein, 7.25. The arterial-venous difference for bicarbonate but not pH, oxygen or carbon dioxide tension, or base excess was correlated with the 1-minute Apgar score.
Miller
J M
JM
Department of Obstetrics, Louisiana State University, New Orleans 70112.
Bernard
M
M
Brown
H L
HL
St Pierre
J J
JJ
Gabert
H A
HA
D001034:Apgar Score; D001639:Bicarbonates / Q000097:blood*; D002245:Carbon Dioxide / Q000097:blood*; D005312:Fetal Blood / Q000032:analysis*; D006801:Humans; D006863:Hydrogen-Ion Concentration; D007231:Infant, Newborn; D010100:Oxygen / Q000097:blood*; D012015:Reference Standards
D001639:Bicarbonates; D002245:Carbon Dioxide; D010100:Oxygen