• J. Matern. Fetal. Neonatal. Med. · Jul 2014

    Alterations of natriuretic peptides amino-terminal pro B-type natriuretic peptide and amino-terminal pro C-type natriuretic peptide during the pregnancy.

    • Yeşim Bayoğlu Tekin, Emine Seda Güvendağ Güven, Aynur Kırbaş, Uğur Cobanoğlu, Sabri Colak, Osman Deniz Doğan, and Figen Kir Sahin.
    • Department of Obstetrics and Gynecology and.
    • J. Matern. Fetal. Neonatal. Med. 2014 Jul 1;27(11):1103-7.

    ObjectiveThe aim of this study was to determine the plasma levels of natriuretic peptides amino-terminal pro B-type natriuretic peptide (NT proBNP) and amino-terminal pro C-type natriuretic peptide (NT proCNP) during pregnancy and any possible changes occurring in each trimester.MethodsThis was a prospective longitudinal case-control study conducted in a University Hospital antenatal outpatient clinic. Subjects were all healthy pregnant women without a history of previous cardiac disease, hypertension or preeclampsia, and each patient was assessed during every trimester, and blood samples were collected for the measurement of NT proBNP and NT proCNP levels.ResultsTwenty pregnant women were followed-up during pregnancy without any complications. We obtained longitudinal levels of natriuretic peptides in each trimester. The mean NT proBNP levels were 14.95 ± 16.8, 9.37 ± 10.76, 52.48 ± 126.65 pmol/ml and the mean NT proCNP levels were 44.64 ± 41.64, 45.70 ± 47.03, 47.22 ± 55.09 pmol/l, respectively. No statistically significant alteration of plasma levels of natriuretic peptides was detected between trimesters.ConclusionThis is the first study evaluating the longitudinal levels of NT proCNP during the pregnancy, and demonstrates that NT proCNP remained constant, but NT proBNP levels do not significantly alter during pregnancy.

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