True or false umbilical cord knot? Differentiation via 3D/4D color Doppler ultrasound

Eberhard Merz; Sonila Pashaj

doi:10.1055/a-0571-8608

Ultraschall in der Medizin - European Journal of Ultrasound, Table of Contents

Ultraschall Med 2018; 39(02): 127-128
DOI: 10.1055/a-0571-8608

Title Page

True or false umbilical cord knot? Differentiation via 3D/4D color Doppler ultrasound

Echter oder falscher Nabelschnurknoten? Differenzierung mittels 3D/4D-Farbdoppler-Sonografie

Eberhard Merz

Center for Ultrasound and Prenatal Medicine, Frankfurt am Main, Germany

,

Sonila Pashaj

Center for Ultrasound and Prenatal Medicine, Frankfurt am Main, Germany

› Author Affiliations

Abstract

Full Text

References

References
1 Sepulveda W, Shennan AH, Bower S. et al. True knot of the umbilical cord: a difficult prenatal ultrasonographic diagnosis. Ultrasound Obstet Gynecol 1995; 5: 106-108
2 Hershkovitz R, Silberstein T, Sheiner E. et al. Risk factors associated with true knots of the umbilical cord. Eur J Obstet Gynecol Reprod Biol 2001; 98: 36-39
3 Spellacy WN, Gravem H, Fisch RO. The umbilical cord complications of true knots, nuchal coils, and cords around the body. Report from the collaborative study of cerebral palsy. Am J Obstet Gynecol 1966; 94: 1136-1142
4 Sørnes T. Umbilical cord knots. Acta Obstet Gynecol Scand 2000; 79: 157-159
5 Airas U, Heinonen S. Clinical significance of true umbilical knots: A population-based analysis. Am J Perinatol 2002; 19: 127-132
6 Sherer DM, Dalloul M, Zigalo A. et al. Power Doppler and 3-dimensional sonographic diagnosis of multiple separate true knots of the umbilical cord. J Ultrasound Med 2005; 24: 1321-1323
7 Guzikowski W, Kowalczyk D, Więcek J. Diagnosis of true umbilical cord knot. Arch Med Sci 2014; 1: 91-95
8 Srinivasan A, Graves L. Four true umbilical cord knots. J Obstet Gynaecol Can 2006; 28: 32-35
9 Bohîlțea RE, Turcan N, Cîrstoiu M. Prenatal ultrasound diagnosis and pregnancy outcome of umbilical cord knot – debate regarding ethical aspects of a series of cases. J Med Life 2016; 9: 297-301
10 Collins JC, Muller RJ, Collins CL. Prenatal observation of umbilical cord abnormalities: a triple knot and torsion of the umbilical cord. Am J Obstet Gynecol 1993; 169: 102-104
11 Ramón YCajal CL, Martínez RO. Prenatal diagnosis of true knot of the umbilical cord. Ultrasound Obstet Gynecol 2004; 23: 99-100
12 Gembruch U, Baschat AA. True knot of the umbilical cord: transient constrictive effect to umbilical venous blood flow demonstrated by Doppler sonography. Ultrasound Obstet Gynecol 1996; 8: 53-56