PATHOPHYSIOLOGICAL MECHANISMS OF EXTENSION OF THE COLLAR SPACE


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Abstract

The paper gives an update on the mechanisms responsible for the extension of the embryonic collar space in the first trimester and on the association of this phenomenon with hemodynamic changes during intrauterine development (abnormal blood flow in the fetal venous duct). It discusses an algorithm for fetal ultrasound study when such malformations are found.

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About the authors

V. V KOVALEV

Research Institute of Maternal and Infant Care, Russian Agency of Medical Technologies; Ural State Medical Academy

Email: Omm-dir@k66.ru

P. B TSYVYAN

Research Institute of Maternal and Infant Care, Russian Agency of Medical Technologies; Ural State Medical Academy

N. V KOVALEVA

Research Institute of Maternal and Infant Care, Russian Agency of Medical Technologies

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