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  • Title: Intrapartum fetal heart rate monitoring in cases of congenital heart disease.
    Author: Ueda K, Ikeda T, Iwanaga N, Katsuragi S, Yamanaka K, Neki R, Yoshimatsu J, Shiraishi I.
    Journal: Am J Obstet Gynecol; 2009 Jul; 201(1):64.e1-6. PubMed ID: 19481721.
    Abstract:
    OBJECTIVE: We evaluated the intrapartum fetal heart rate (FHR) patterns in fetuses with congenital heart disease (CHD). STUDY DESIGN: One hundred sixteen cases of fetal CHD were identified at our institute between 2000-2007; 464 fetuses without CHD were used as controls. The incidences of abnormal FHR patterns and umbilical blood gases were compared. RESULTS: More fetuses with CHD showed variant FHR than did control fetuses (46.6% vs 17.7%; P < .01). Cesarean section deliveries that were based on fetal indications were performed more frequently in fetuses with CHD than in control fetuses (12.9% vs 3.2%; P < .01). Isomerism and tetralogy of Fallot were observed frequently with variant FHR. When chromosomal abnormalities and intrauterine growth restriction were excluded, the fetuses with CHD showed more variant FHR than did the control fetuses. CONCLUSION: Fetuses with CHD are more likely to show abnormal FHR patterns than are control fetuses. We suggest that cardiac abnormalities are associated with abnormalities in FHR patterns.
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