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Abstract
Objective: In this study we investigated the hemodynamics of the feto-placental circulation in normal and pre-eclamptic near term pregnancies using the biomagnetometer SQUID. Thirteen abnormal and 25 normal pregnancies were included in this study. Study design: The biomagnetic signals were analyzed using nonlinear analysis in order to differentiate these two types of pregnancies. Results: The application of nonlinear analysis reveal a clear saturation dimension value for pre-eclamptic and non-saturation for normal pregnancies. These findings were statistically significant and were correlated with fetal heart rate monitoring, pH and Apgar score: high biomagnetic cases (140–300 fT /√Hz) were related with normal patterns, pH>7.25 and Apgar >7, while low biomagnetic recordings (50–110 fT /√Hz) were connected with abnormal patterns, pH<7.25 and Apgar<7. Conclusions: It is suggested that the biomagnetic measurements with SQUID and the application of nonlinear analysis, is a promising procedure in assessing fetal health, especially in high risk pregnancies.
Published Version
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