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Ventricular ejection force in growth-retarded fetuses

G Rizzo1, A Capponi, D Rinaldo

  • 1Department of Obstetrics and Gynecology, University of Rome Tor Vergata, Italy.

Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology
|April 1, 1995
PubMed
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Fetal growth restriction due to uteroplacental insufficiency significantly reduces cardiac ventricular ejection force in both ventricles. This decreased force is linked to poorer perinatal outcomes and increased risk of intrauterine death.

Area of Science:

  • Fetal Medicine
  • Cardiology
  • Perinatology

Background:

  • Uteroplacental insufficiency is a major cause of fetal growth restriction.
  • Cardiac function assessment in growth-restricted fetuses is crucial for predicting outcomes.

Purpose of the Study:

  • To compare ventricular ejection force between appropriately grown and growth-retarded fetuses.
  • To investigate the relationship between ventricular ejection force and perinatal outcomes in growth-restricted fetuses.

Main Methods:

  • Doppler echocardiography was used to measure right and left ventricular ejection force in 156 appropriately grown and 72 growth-retarded fetuses.
  • Ejection force was calculated using velocity waveforms and Newton's second law.
  • Longitudinal follow-up and cordocentesis were performed in subsets of fetuses.

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Main Results:

  • Appropriately grown fetuses showed increased ventricular ejection force with advancing gestation.
  • Growth-retarded fetuses exhibited significantly decreased and symmetrical ventricular ejection force.
  • Lower ejection force correlated with poorer perinatal outcomes and was observed before intrauterine death.

Conclusions:

  • Fetal growth restriction secondary to uteroplacental insufficiency impairs cardiac ventricular ejection force.
  • Reduced ventricular ejection force is a potential indicator of adverse perinatal outcomes and fetal distress.