Total creatine kinase (CK) and CK-B activity in maternal blood and cord-blood samples after vaginal and cesarean births.
We studied variations in the activity of total creatine kinase (CK; EC 2.7.3.2) and of CK-B in maternal and cord-blood samples, comparing data obtained for vaginal and cesarean births. CK-B activity was determined with an immunoinhibition assay. In all cases, there was a significant postpartum increase in total CK and in CK-B activity in maternal sera, whereas cord-blood samples showed no significant differences between activities in arterial and venous blood for either vaginal or cesarean births. Statistically significant differences were found in CK-B activity, but not in total CK, between cord-blood samples from vaginal births and those from cesareans.
Liras
G
G
Laboratorio de Urgencias, Hospital 1 de Octubre, Madrid, Spain.
Diaz
V
V
Alvarez
C
C
Arenas
J
J
Sanz
R
R
Martinez
V
V
D002585:Cesarean Section; D003402:Creatine Kinase / Q000097:blood*; D005260:Female; D005312:Fetal Blood / Q000032:analysis*; D006801:Humans; D007231:Infant, Newborn; D007527:Isoenzymes; D007743:Labor, Obstetric; D011247:Pregnancy
D007527:Isoenzymes; D003402:Creatine Kinase