Discrepancy in Doppler waveforms between two umbilical arteries in fetuses with absent or reversed end-diastolic flow: A prospective observational study

Jeong W. Park, Seung M. Lee, Hye S. Kang, Soon S. Shim, Jong K. Jun

Research output: Contribution to journalArticle

Abstract

Purpose: To asses the occurrence of discrepancies between the Doppler waveforms of the left and right umbilical arteries in their paravesical part in fetuses with absent or reversed end-diastolic flow in the free-floating umbilical cord. Methods: This prospective observational study included pregnant women with fetal growth restriction or twin-to-twin transfusion syndrome. Umbilical arterial Doppler waveforms were obtained from both umbilical arteries in their intra-abdominal paravesical part. Doppler findings were recorded as present end-diastolic flow (PEDF)/absent end-diastolic flow (AEDF); AEDF/AEDF; AEDF/reversed end-diastolic flow (REDF); or REDF/REDF pattern. Results: There were 49 fetuses with AEDF or REDF at the free-floating umbilical cord. Of these, 20 (40.8%) had a discrepancy in Doppler waveforms between the two umbilical arteries, with 14 (28.6%) showing PEDF/AEDF, 17 (34.7%) AEDF/AEDF, 6 (12.2%) AEDF/REDF, and 12 (24.5%) REDF/REDF pattern. Conclusion: Doppler waveforms showed discrepancies between the two umbilical arteries in 40.8% of pregnant women with AEDF or REDF in the free-floating umbilical cord. The presence of end-diastolic flow in one umbilical artery cannot exclude the possibility of AEDF in the other.

Original languageEnglish
Pages (from-to)526-530
Number of pages5
JournalJournal of Clinical Ultrasound
Volume47
Issue number9
DOIs
StatePublished - 1 Nov 2019

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Umbilical Arteries
Observational Studies
Fetus
Prospective Studies
Umbilical Cord
Pregnant Women
Fetofetal Transfusion
Umbilicus
Equidae
Fetal Development

Keywords

  • Doppler velocimetry
  • absent end-diastolic flow
  • reversed end-diastolic flow
  • umbilical artery

Cite this

@article{16298f552f4a4197b1b8360197addd75,
title = "Discrepancy in Doppler waveforms between two umbilical arteries in fetuses with absent or reversed end-diastolic flow: A prospective observational study",
abstract = "Purpose: To asses the occurrence of discrepancies between the Doppler waveforms of the left and right umbilical arteries in their paravesical part in fetuses with absent or reversed end-diastolic flow in the free-floating umbilical cord. Methods: This prospective observational study included pregnant women with fetal growth restriction or twin-to-twin transfusion syndrome. Umbilical arterial Doppler waveforms were obtained from both umbilical arteries in their intra-abdominal paravesical part. Doppler findings were recorded as present end-diastolic flow (PEDF)/absent end-diastolic flow (AEDF); AEDF/AEDF; AEDF/reversed end-diastolic flow (REDF); or REDF/REDF pattern. Results: There were 49 fetuses with AEDF or REDF at the free-floating umbilical cord. Of these, 20 (40.8{\%}) had a discrepancy in Doppler waveforms between the two umbilical arteries, with 14 (28.6{\%}) showing PEDF/AEDF, 17 (34.7{\%}) AEDF/AEDF, 6 (12.2{\%}) AEDF/REDF, and 12 (24.5{\%}) REDF/REDF pattern. Conclusion: Doppler waveforms showed discrepancies between the two umbilical arteries in 40.8{\%} of pregnant women with AEDF or REDF in the free-floating umbilical cord. The presence of end-diastolic flow in one umbilical artery cannot exclude the possibility of AEDF in the other.",
keywords = "Doppler velocimetry, absent end-diastolic flow, reversed end-diastolic flow, umbilical artery",
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Discrepancy in Doppler waveforms between two umbilical arteries in fetuses with absent or reversed end-diastolic flow : A prospective observational study. / Park, Jeong W.; Lee, Seung M.; Kang, Hye S.; Shim, Soon S.; Jun, Jong K.

In: Journal of Clinical Ultrasound, Vol. 47, No. 9, 01.11.2019, p. 526-530.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Discrepancy in Doppler waveforms between two umbilical arteries in fetuses with absent or reversed end-diastolic flow

T2 - A prospective observational study

AU - Park, Jeong W.

AU - Lee, Seung M.

AU - Kang, Hye S.

AU - Shim, Soon S.

AU - Jun, Jong K.

PY - 2019/11/1

Y1 - 2019/11/1

N2 - Purpose: To asses the occurrence of discrepancies between the Doppler waveforms of the left and right umbilical arteries in their paravesical part in fetuses with absent or reversed end-diastolic flow in the free-floating umbilical cord. Methods: This prospective observational study included pregnant women with fetal growth restriction or twin-to-twin transfusion syndrome. Umbilical arterial Doppler waveforms were obtained from both umbilical arteries in their intra-abdominal paravesical part. Doppler findings were recorded as present end-diastolic flow (PEDF)/absent end-diastolic flow (AEDF); AEDF/AEDF; AEDF/reversed end-diastolic flow (REDF); or REDF/REDF pattern. Results: There were 49 fetuses with AEDF or REDF at the free-floating umbilical cord. Of these, 20 (40.8%) had a discrepancy in Doppler waveforms between the two umbilical arteries, with 14 (28.6%) showing PEDF/AEDF, 17 (34.7%) AEDF/AEDF, 6 (12.2%) AEDF/REDF, and 12 (24.5%) REDF/REDF pattern. Conclusion: Doppler waveforms showed discrepancies between the two umbilical arteries in 40.8% of pregnant women with AEDF or REDF in the free-floating umbilical cord. The presence of end-diastolic flow in one umbilical artery cannot exclude the possibility of AEDF in the other.

AB - Purpose: To asses the occurrence of discrepancies between the Doppler waveforms of the left and right umbilical arteries in their paravesical part in fetuses with absent or reversed end-diastolic flow in the free-floating umbilical cord. Methods: This prospective observational study included pregnant women with fetal growth restriction or twin-to-twin transfusion syndrome. Umbilical arterial Doppler waveforms were obtained from both umbilical arteries in their intra-abdominal paravesical part. Doppler findings were recorded as present end-diastolic flow (PEDF)/absent end-diastolic flow (AEDF); AEDF/AEDF; AEDF/reversed end-diastolic flow (REDF); or REDF/REDF pattern. Results: There were 49 fetuses with AEDF or REDF at the free-floating umbilical cord. Of these, 20 (40.8%) had a discrepancy in Doppler waveforms between the two umbilical arteries, with 14 (28.6%) showing PEDF/AEDF, 17 (34.7%) AEDF/AEDF, 6 (12.2%) AEDF/REDF, and 12 (24.5%) REDF/REDF pattern. Conclusion: Doppler waveforms showed discrepancies between the two umbilical arteries in 40.8% of pregnant women with AEDF or REDF in the free-floating umbilical cord. The presence of end-diastolic flow in one umbilical artery cannot exclude the possibility of AEDF in the other.

KW - Doppler velocimetry

KW - absent end-diastolic flow

KW - reversed end-diastolic flow

KW - umbilical artery

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JO - Journal of Clinical Ultrasound

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SN - 0091-2751

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