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Fetal arrhythmias: a 3-year experience.
1Department of Paediatrics and Cardiology, Monash Medical Centre, Melbourne, Clayton, Victoria, Australia.
The Australian & New Zealand Journal of Obstetrics & Gynaecology
|February 1, 1992
Summary
Fetal arrhythmia, including extrasystoles and tachyarrhythmias, can occur in structurally normal hearts. Prompt diagnosis and management of fetal arrhythmias lead to successful outcomes in most cases.
Area of Science:
- Cardiology
- Fetal Medicine
- Neonatology
Background:
- Fetal arrhythmias are uncommon but can lead to significant complications.
- Early identification and management are crucial for improving fetal and neonatal outcomes.
Purpose of the Study:
- To review cases of fetal arrhythmia over a three-year period.
- To analyze the types of arrhythmias, their presentations, and outcomes.
- To emphasize the importance of timely diagnosis and tertiary care referral.
Main Methods:
- Retrospective review of eight cases of fetal arrhythmia.
- Classification of arrhythmias including extrasystoles, atrioventricular block, and tachyarrhythmias.
- Assessment of associated conditions like nonimmune hydrops fetalis.
- Evaluation of treatment and outcomes.
Main Results:
- Eight cases of fetal arrhythmia were identified, including atrial/ventricular extrasystoles, complete atrioventricular block, and various tachyarrhythmias.
- Five cases presented with tachyarrhythmias, three with supraventricular tachycardia.
- Three of the five tachyarrhythmia cases initially presented with nonimmune hydrops fetalis.
- Two deaths occurred (stillbirth and neonatal), and two neonates required intensive care; six survivors remain well.
Conclusions:
- Fetal arrhythmias, even in structurally normal hearts, require careful diagnosis and management.
- Successful outcomes are achievable with prompt assessment and intervention.
- Complex cases may benefit from early referral to a specialized tertiary center for comprehensive care.