True Cord Knot Means True Fetal Risk – Comment on the Title Image of Ultraschall in Med 2018; 39(02):127–128

Ultraschall Med 2020; 41(01): 80-81
DOI: 10.1055/a-0770-2850

Letter to the Editor

Cathrine Ebbing

¹Department of Obstetrics and Gynecology, Haukeland Universitetssjukehus, Bergen, Norway

,

Jörg Kessler

¹Department of Obstetrics and Gynecology, Haukeland Universitetssjukehus, Bergen, Norway

,

Svein Rasmussen

²Department of Clinical Science, University of Bergen, Norway

References
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2 Linde LE, Rasmussen S, Kessler J. et al. Extreme umbilical cord lengths, cord knot and entanglement: Risk factors and risk of adverse outcomes, a population-based study. PloS one 2018; 13: e0194814 . Epub 2018/03/28. doi: 10.1371/journal.pone.0194814. PubMed PMID: 29584790; PubMed Central PMCID: PMCPMC5870981
3 Moessinger AC, Blanc WA, Marone PA. et al. Umbilical cord length as an index of fetal activity: experimental study and clinical implications. PediatrRes 1982; 16: 109-112
4 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 . Epub 1996/07/01. doi: 10.1046/j.1469-0705.1996.08010053.x. PubMed PMID: 8843621
5 Baergen RN, Malicki D, Behling C. et al. Morbidity, mortality, and placental pathology in excessively long umbilical cords: retrospective study. PediatrDevPathol 2001; 4: 144-153 . doi: 10.1007/s100240010135 [pii]