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Murine Fetal Echocardiography
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[Sonographic evaluation of the circulation in the ductus venosus Arantii]

Akos Jakobovits1

  • 1Toldy Ferenc Kórhaz, Szülészeti es Nogyógyászati Osztály, Cegléd.

Orvosi Hetilap
|July 20, 2005
PubMed

Insights

Assessing fetal well-being is possible by measuring blood flow velocity waveforms in the ductus venosus. This ultrasound technique helps identify fetuses at risk for newborn diseases.

Area of Science:

  • Fetal Medicine
  • Diagnostic Ultrasound
  • Cardiovascular Physiology

Background:

  • The ductus venosus is a crucial fetal shunt directing umbilical vein blood to the fetal heart's left atrium.
  • This blood supplies the myocardium and central nervous system, making the ductus venosus vital for fetal development.

Purpose of the Study:

  • To evaluate the feasibility of assessing fetal well-being using sonographic measurements.
  • Specifically, to analyze pulsatility index and blood flow velocity waveforms in the ductus venosus.

Main Methods:

  • Color Doppler ultrasound was used to investigate blood flow velocity waveforms.
  • The study included 102 normal fetuses and 14 fetuses with growth retardation during routine antenatal examinations.

Main Results:

  • Blood flow velocity waveforms in the ductus venosus exhibit two distinct peaks.
  • The primary peak occurs during ventricular systole, while a secondary, smaller peak reflects ventricular diastole or atrial contraction.

Conclusions:

  • Evaluating ductus venosus blood flow offers insights into fetal physiological and pathological processes.
  • This ultrasound technique can identify fetuses predisposed to or endangered by neonatal diseases.
Abstract

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