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[Prenatal three-vessel and tracheal view: abnormal features].

E Quarello1, J P Bault2, R Chaoui3

  • 1Unité d'échographies obstétricales et de diagnostic anténatal, hôpital Saint-Joseph, 26, boulevard de Louvain, 13285 Marseille cedex 08, France; Institut de médecine de la reproduction, 6, rue Rocca, 13008 Marseille, France.

Gynecologie, Obstetrique & Fertilite
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PubMed
Summary

Understanding prenatal three-vessel and trachea views is crucial for detecting abnormalities in major vessels like the aorta and pulmonary artery. This knowledge aids in identifying vascular malformations and variants, which may accompany cardiac defects.

Keywords:
Congenital heart defectCoupe des trois vaisseaux et de la trachéeDépistageEchocardiographyGreat vesselsGros vaisseauxMalformation cardiaque congénitaleScreeningThree-vessel and tracheal viewÉchocardiographie

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Area of Science:

  • Medical Imaging
  • Fetal Medicine
  • Cardiovascular Anatomy

Background:

  • Prenatal diagnosis relies on accurate interpretation of fetal anatomical structures.
  • The three-vessels and trachea (3VT) view is a key component of fetal cardiac screening.
  • Knowledge of normal 3VT anatomy is essential for identifying deviations.

Purpose of the Study:

  • To emphasize the importance of understanding normal prenatal 3VT anatomy.
  • To highlight the role of 3VT view in detecting abnormalities of major thoracic vessels.
  • To discuss the spectrum of vascular abnormalities detectable in the anterior-superior mediastinum.

Main Methods:

  • Review of fetal ultrasound imaging protocols focusing on the 3VT view.
  • Analysis of anatomical variations and malformations of the aorta, pulmonary artery, and superior vena cava.
  • Correlation of vascular findings with cardiac anomalies.

Main Results:

  • Normal 3VT view characteristics are key to identifying abnormalities.
  • Abnormalities include variants and malformations of the pulmonary artery, aorta, and superior vena cava.
  • These vascular anomalies can be isolated or associated with other cardiac defects.

Conclusions:

  • Expert knowledge of normal prenatal 3VT anatomy is vital for accurate diagnosis.
  • Early detection of mediastinal vascular abnormalities can be achieved through careful 3VT assessment.
  • Identification of these abnormalities aids in comprehensive prenatal assessment and management planning.