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J Matern Fetal Neonatal Med ; 34(8): 1249-1254, 2021 Apr.
Article in English | MEDLINE | ID: mdl-31195859

ABSTRACT

AIM: To evaluate the possible associations between creatine kinase (CK), cardiac troponin T (cTnT), N-terminal-pro-B-type natriuretic peptide (NT-proBNP), and s100B levels in umbilical cord blood and nonstress test results, cord-blood gas analyses and Apgar scores. MATERIAL AND METHODS: A total of 93 cesarean section deliveries after 34 + 0/7 gestational week (GW) were evaluated. The study (n = 50) and control (n = 43) groups consisted of type III and type I nonstress test (NST) according to the 2008 National Institute of Child Health and Human Development workshop report on electronic fetal monitoring. The serum levels of ProBNP II, S100-B, CK-MB, and cTnT were measured in cord blood and were evaluated according to the NST results, cord-blood gas analyses (pH and base-excess values) and 1- and 5-minute Apgar scores. Exclusion criteria for both groups included congenital abnormalities, multiple pregnancy, chorioamnionitis, oligohydramnios, polyhydramnios, intrauterine growth retardation (IUGR), and placental abruption. RESULTS: Mean age, weight, height, gestational age, and birth weight were comparable in type I and III NST groups. 1- and 5- minute Apgar, umbilical artery and vein pH values, and base deficiency were significantly lower in type III NST group compared to the type I NST group. The serum 100B (1616 ± 119 versus 533 ± 95 ng/L, p < .001), CK-MB (28.67 ± 21.17 versus 14.20 ± 11.26 ng/L, p < .001), cTnT (657 ± 396 versus 230 ± 132 ng/L, p < .001) and proBNP (1727 ± 379 versus 1069 ± 721 ng/L, p < .001) levels were significantly elevated in the NST type III compared to the NST type I group. The serum 100B, CK-MB, cTnT and proBNP levels were significantly elevated in the cord pH < 7.00 (n = 10) compared to pH = 7.00-7.15 group (n = 18). The serum 100B and proBNP were significantly elevated in the cord pH = 7.00-7.15 compared to the pH > 7.15 group (n = 65), whereas serum cTnT and proBNP levels were comparable in the latter two groups. In the study group, S100B, cTnT, and proBNP had negative correlations with 1- and 5-minute Apgar scores. All of the four markers showed negative correlations with A. umbilicalis pH and base excess. CONCLUSIONS: Mean S100B, CK-MB, cTnT, and NT-proBNP were significantly higher in the study group compared to the control group. The serum 100B, CK-MB, cTnT, and proBNP levels were significantly elevated in the cord pH < 7.00 compared to pH = 7.00-7.15 group. The serum 100B and proBNP were significantly elevated in the cord pH = 7.00-7.15 compared to the pH > 7.15 group.


Subject(s)
Natriuretic Peptide, Brain , Troponin T , Biomarkers , Cesarean Section , Child , Creatine Kinase , Female , Fetal Blood , Heart Rate, Fetal , Humans , Peptide Fragments , Placenta , Pregnancy , S100 Calcium Binding Protein beta Subunit
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