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

  title={True or false umbilical cord knot? Differentiation via 3D/4D color Doppler ultrasound.},
  author={E. Merz and S. Pashaj},
  journal={Ultraschall in der Medizin},
  volume={39 2},
  • E. Merz, S. Pashaj
  • Published 2018
  • Medicine
  • Ultraschall in der Medizin
  • True umbilical cord knots are actual knots in the umbilical cord formed during pregnancy, while a false umbilical cord knot is a bulge in the umbilical cord due to twisting of the vein around the arteries or around an overlap of umbilical cord loops lying against one another. True umbilical cord knots are relatively rare. Based on births, an incidence of 0.3 – 1.2 % is specified [1, 2]. Various factors are associated with the occurrence of an umbilical cord knot: grandmultiparity, chronic… CONTINUE READING
    5 Citations

    Topics from this paper


    Umbilical cord knots.
    • T. Sørnes
    • Medicine
    • Acta obstetricia et gynecologica Scandinavica
    • 2000
    • 61
    True knot of the umbilical cord: transient constrictive effect to umbilical venous blood flow demonstrated by Doppler sonography
    • Ulrich Gembruch, A. Baschat
    • Medicine
    • Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology
    • 1996
    • 46
    • Highly Influential
    Diagnosis of true umbilical cord knot
    • 16
    • PDF
    Power Doppler and 3‐Dimensional Sonographic Diagnosis of Multiple Separate True Knots of the Umbilical Cord
    • 18
    Four true umbilical cord knots.
    • A. Srinivasan, L. Graves
    • Medicine
    • Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC
    • 2006
    • 9
    True knot of the umbilical cord: a difficult prenatal ultrasonographic diagnosis
    • 43
    • Highly Influential
    Risk factors associated with true knots of the umbilical cord.
    • 103
    • Highly Influential
    Prenatal ultrasound diagnosis and pregnancy outcome of umbilical cord knot – debate regarding ethical aspects of a series of cases
    • 7
    • Highly Influential
    Clinical significance of true umbilical knots: a population-based analysis.
    • 75