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The success of cardiotocography in predicting perinatal outcome

Author(s): Alpaslan Kaban | Hüseyin Cengiz | Işık Kaban | Alim Özcan | Sema KarakaşBakirköy Dr. Sadi Konuk Teaching and Research Hospital, Department of Gynecology and Obstetrics, Istanbul, Turkey

Journal: Journal of Clinical and Experimental Investigations
ISSN 1309-8578

Volume: 3;
Issue: 2;
Start page: 168;
Date: 2012;
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Keywords: Apgar score | blood gas analysis | caesarean

Objectives: The determination of the fetal condition duringlabor is important to minimize fetal death due to asphyxiaand the neurological sequelae of fetal hypoxia.This study evaluated the success of fetal cardiotocographyin predicting perinatal consequences.Materials and methods: This study enrolled 101 full-termpregnant women admitted for delivery to Vakif GurebaTraining and Research Hospital between October 2009and February 2010. Women were included if they wereaged 18-45 years and within 36-41 weeks of gestation.During a 20-min period of fetal monitoring, a change inFHR (fetal heart rate) lasting for 15 s or two elevated runsof 15 beats was evaluated as a reactive NST (non-stresstest). The umbilical artery pH was used as the “gold standard”for assessing fetal asphyxia.Results: The mean age of the women included in thestudy was 27.82 ± 5.29 years, the average parity was1.09± 0.96. The pH was normal in 85 neonates, while 13 hadfetal asphyxia. No significant difference in umbilical cordblood pH, pO2, or pCO2 was observed between these twogroups (p = 0.497, p = 0.722, and p = 0.053, respectively.No significant difference in maternal age, parity, or birthweight was found between the group with fetal distressbased on CTG (cardiotocography) and the normal group.Conclusion: Cardiotocography is an important test duringlabor for labor management, it is insufficient for predictingthe perinatal outcome. Therefore, labor should beevaluated on an individualized basis. J Clin Exp Invest2012; 3(2): 168-171
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