M-Sign in Middle Cerebral Artery Doppler Waveforms: A Sign of Fetal Vasoconstriction Before and After Open Fetal Spina Bifida Repair

Vonzun, L; Gonser, M; Moehrlen, U; Mazzone, L; Meuli, M; Kandler, L; Wille, D; Kraehenmann, F; Zimmermann, R; Ochsenbein-Kölble, N

Vonzun, L (通讯作者)，Univ Hosp Zurich, Dept Obstet, Frauenklin Str 10, CH-8091 Zurich, Switzerland.

ULTRASCHALL IN DER MEDIZIN, 2023; 44 (1): 68

Abstract

Background Increased pulse wave reflection in the fetal arterial system, illustrated by a second systolic peak (M-sign) in middle cerebral artery (MCA......

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