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Related Concept Videos

Fetal Circulation01:14

Fetal Circulation

Fetal circulation is a unique system that facilitates the exchange of gases, nutrients, and waste products between the developing fetus and the mother. This intricate process takes place through a special organ called the placenta.
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Mitral Valve Prolapse III: Nursing Management

The nursing management of Mitral Valve Prolapse, or MVP, centers around patient education, symptom monitoring, and lifestyle modifications.Patient Education on MVP Diagnosis and Heredity: Nurses should provide comprehensive education about MVP, a condition where the mitral valve does not close appropriately during heartbeats. This education often includes the condition's pathophysiology, symptoms, and potential complications, like arrhythmias or mitral regurgitation. Though not fully...
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Mitral Stenosis II: Clinical features and Diagnostic Tests

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Related Experiment Video

Updated: Jun 5, 2026

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
09:04

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas

Published on: September 5, 2011

Maternal cardiac function in complicated twin pregnancy: a longitudinal study.

T Ghi1, M Kuleva, A Youssef

  • 1Department of Obstetrics and Gynecology, S.Orsola Malpighi Hospital, University of Bologna, Bologna, Italy. tullioghi@yahoo.com

Ultrasound in Obstetrics & Gynecology : the Official Journal of the International Society of Ultrasound in Obstetrics and Gynecology
|January 13, 2011
PubMed
Summary

Maternal cardiac output and stroke volume are significantly higher in uncomplicated twin pregnancies compared to those with complications. Cardiac function in complicated twin pregnancies does not show the same longitudinal changes as in uneventful pregnancies.

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Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction
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Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction

Published on: June 29, 2013

Related Experiment Videos

Last Updated: Jun 5, 2026

Guide Wire Assisted Catheterization and Colored Dye Injection for Vascular Mapping of Monochorionic Twin Placentas
09:04

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Published on: September 5, 2011

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction
14:19

Fetal Echocardiography and Pulsed-wave Doppler Ultrasound in a Rabbit Model of Intrauterine Growth Restriction

Published on: June 29, 2013

Area of Science:

  • Cardiology
  • Maternal-Fetal Medicine
  • Obstetrics

Background:

  • Twin pregnancies present unique physiological challenges.
  • Adverse pregnancy outcomes in twins, such as pre-eclampsia and small-for-gestational age (SGA) neonates, require further understanding of maternal adaptations.
  • Maternal cardiac function plays a crucial role in adapting to the demands of pregnancy.

Purpose of the Study:

  • To longitudinally evaluate maternal cardiac function in twin pregnancies.
  • To determine if adverse pregnancy outcomes are associated with specific maternal cardiac findings.
  • To compare cardiac parameters between uncomplicated and complicated twin gestations.

Main Methods:

  • Prospective enrollment of women with twin pregnancies.
  • Serial maternal echocardiography performed at 20-23, 26-29, and 30-33 weeks of gestation.
  • Exclusion of deliveries prior to 34 weeks; comparison of cardiac findings in uneventful versus complicated pregnancies (pre-eclampsia, gestational hypertension, SGA).

Main Results:

  • Uncomplicated twin pregnancies exhibited significantly higher cardiac output (CO) and stroke volume (SV) compared to complicated pregnancies at all measured time points.
  • Total vascular resistance (TVR) was significantly lower in uncomplicated twin pregnancies.
  • Maternal cardiac parameters (CO, blood pressure, heart rate) remained stable in complicated pregnancies, while uncomplicated pregnancies showed significant longitudinal changes.

Conclusions:

  • Maternal cardiac function in twin pregnancies complicated by pre-eclampsia or SGA neonates does not exhibit the significant longitudinal adaptations seen in uneventful twin pregnancies.
  • Specific maternal cardiac findings may be linked to adverse pregnancy outcomes in twin gestations.
  • Further research into maternal cardiovascular adaptations in high-risk pregnancies is warranted.