e-journal
Fetal cardiac function measured by myocardial performance index of small-for-gestational age fetuses
(MPI) in small-for-gestational age (SGA) fetuses during 28–40 weeks of gestation.
Material and Methods: Singleton pregnant women during 28–40 weeks of gestation were enrolled. Estimated metal weight was used to classify the subjects into appropriate-for-gestational age (AGA) and SGA groups. The Doppler indices of umbilical and middle cerebral arteries, including amniotic fluid index, were used to distinguish constitutional SGA (both normal Doppler indices and amniotic fluid index) from intrauterine growth restriction (IUGR) fetuses (abnormal Doppler indices and/or oligohydramnios). MPI was obtained and compared between the groups. Inter- and intra-observer variations were also assessed.
Results: Fifty women had AGA fetuses whereas another 50 cases had SGA fetuses (41 constitutional SGA and nine IUGR). Right MPI in AGA fetuses was constant whereas left MPI was slightly increased. The MPI of SGA fetuses were significantly greater than those of AGA fetuses starting from 30 weeks gestation until delivery(P
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