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Acardiac twins

C M Acton1, C S Woodward

  • 1Department of Radiology and Ultrasound, Mercy Hospital for Women, East Melbourne Vic., Australia.

Australasian Radiology
|November 1, 1993
PubMed
Summary
This summary is machine-generated.

A rare twin pregnancy complication, acardiac twin, involves a vascular connection where the normal

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Area of Science:

  • Obstetrics and Gynecology
  • Fetal Medicine
  • Reproductive Biology

Background:

  • Twin pregnancies present unique challenges, including rare malformations like the acardiac twin.
  • Acardiac twin (ectopagus parasiticus) is a severe congenital anomaly in which the parasitic twin lacks a developed heart and often other organs.

Observation:

  • Vascular anastomosis between the twins is the hallmark of this condition.
  • The 'pump' twin, supplying blood to the acardiac twin, is at risk of cardiac failure.
  • The acardiac twin typically exhibits severe reduction anomalies, especially of the upper body, and significant edema.

Findings:

  • Misdiagnosis of fetal death in utero can occur if acardiac twin is not identified.
  • Failure to recognize this condition can lead to unpredicted complications in the pump twin.

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  • In the reported cases, only one survivor was achieved, highlighting the condition's severity.

    • Implications:

    • Early recognition of acardiac twin is crucial for appropriate management and prediction of pump twin complications.
    • Understanding the pathophysiology aids in developing targeted interventions for high-risk twin pregnancies.
    • Improved diagnostic strategies are needed to enhance outcomes in cases of twin reversed arterial perfusion sequence.