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[Antenatal atrial tachycardia. Two case reports].
M Pavlova1, J M Lupoglazoff, I Denjoy
1Département de périnatologie, cardiologie périnatate, hôpital Robert-Debré, 48, boulevard Serrurier, 75019 Paris.
Archives Des Maladies Du Coeur Et Des Vaisseaux
|July 4, 2001
Summary
Fetal supraventricular tachycardia can indicate atrial tachycardia, potentially causing heart dysfunction. Postnatal monitoring is crucial, especially with foramen ovale aneurysms, for timely treatment and improved outcomes.
Area of Science:
- Cardiology
- Fetal Medicine
- Pediatric Electrophysiology
Context:
- Fetal supraventricular tachycardia (SVT) presents diagnostic challenges.
- 1/1 atrioventricular conduction can mask underlying atrial arrhythmias.
- Prenatal cardiac dysfunction may arise from sustained fetal tachycardias.
Purpose:
- To report two cases of fetal supraventricular tachycardia.
- To highlight the postnatal diagnosis of atrial tachycardias.
- To emphasize the importance of postnatal monitoring in specific fetal cardiac conditions.
Summary:
- Two fetuses with supraventricular tachycardia were diagnosed with atrial tachycardias postnatally.
- One case involved permanent tachycardia leading to fetal left ventricular dysfunction, resolved with postnatal treatment.
- The second case presented with paroxysmal tachycardia and a foramen ovale aneurysm, requiring postnatal rhythm monitoring.
Impact:
- Permanent fetal tachycardia, even below 200 bpm, warrants investigation for arrhythmias.
- Prenatal diagnosis and management of fetal tachycardia can prevent adverse cardiac outcomes.
- Postnatal rhythm monitoring is essential for fetal tachycardia, particularly with coexisting foramen ovale abnormalities.