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Vasa previa: an avoidable obstetric tragedy

K O Oyelese¹, M Turner, C Lees

¹Department of Obstetrics & Gynaecology, St George's Hospital, London, United Kingdom.

Obstetrical & Gynecological Survey

|February 9, 1999

Summary

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Vasa previa, a condition with high fetal mortality, requires high suspicion for antenatal diagnosis. Transvaginal ultrasound with color Doppler aids in early detection, enabling timely cesarean delivery and improved outcomes.

Area of Science:

Obstetrics and Gynecology
Fetal Medicine
Diagnostic Imaging

Background:

Vasa previa involves fetal blood vessels traversing membranes below the presenting part.
This condition carries a high risk of fetal exsanguination due to vessel rupture.
Antenatal diagnosis is crucial for reducing fetal mortality.

Purpose of the Study:

Identify risk factors and associated conditions for vasa previa.
Outline clinical presentations and management strategies.
Highlight diagnostic tools for antepartum diagnosis.

Main Methods:

Transvaginal ultrasound with color Doppler for antenatal diagnosis.
Risk assessment in patients with specific placental conditions and IVF pregnancies.

Related Experiment Videos

Diagnostic tests for fetal blood in vaginal secretions.

Amnioscopy prior to amniotomy.

Main Results:

Transvaginal ultrasound and color Doppler are effective for antenatal diagnosis.
Early detection allows for elective cesarean delivery.
Aggressive neonatal resuscitation can be life-saving.

Conclusions:

A high index of suspicion is vital for identifying vasa previa.
Antenatal diagnosis via transvaginal sonography with color Doppler is recommended.
Elective cesarean delivery and prompt neonatal resuscitation significantly reduce mortality.