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Related Experiment Videos

Doppler in non-immune hydrops fetalis.

G Tulzer1, S Gudmundsson, D C Wood

  • 1Division of Cardiology, Children's Hospital of Philadelphia, Philadelphia, Pennsylvania, USA.

Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology
|July 1, 1994
PubMed
Summary

Abnormal umbilical vein pulsations in fetal ultrasound are key indicators of non-immune hydrops, significantly differing between survivors and non-survivors. This finding aids in predicting fetal outcomes.

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Area of Science:

  • Perinatology
  • Fetal Cardiology
  • Medical Imaging

Background:

  • Non-immune hydrops fetalis is a serious condition with high mortality.
  • Assessing fetal hemodynamics is crucial for predicting outcomes in affected pregnancies.
  • Echocardiographic and Doppler parameters require further evaluation for prognostic value.

Purpose of the Study:

  • To evaluate echocardiographic and cardiovascular Doppler parameters for assessing hemodynamics in fetuses with non-immune hydrops.
  • To identify parameters useful in predicting outcomes for these fetuses.

Main Methods:

  • Fetal ultrasound studies were performed on 24 fetuses diagnosed with non-immune hydrops.
  • Echocardiographic and cardiovascular Doppler parameters were analyzed.
  • Umbilical vein pulsations and inferior vena cava waveforms were specifically examined.

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Main Results:

  • Abnormal umbilical vein pulsations were the only cardiovascular parameter significantly different between survivors and non-survivors (p < 0.001).
  • Survivors showed a lower percentage of retrograde flow in the inferior vena cava and a higher E/V velocity ratio.
  • Fetuses with abnormal umbilical venous pulsations had poorer outcomes, particularly those with hydrops due to twin-to-twin transfusion or congenital heart disease.

Conclusions:

  • Abnormal umbilical vein pulsations are a significant predictor of outcome in non-immune hydrops fetalis.
  • Doppler assessment of umbilical venous flow and inferior vena cava can provide valuable prognostic information.
  • Further research into specific hemodynamic alterations may improve management strategies for non-immune hydrops.