Journal
JOURNAL OF CLINICAL MEDICINE
Volume 11, Issue 3, Pages -Publisher
MDPI
DOI: 10.3390/jcm11030804
Keywords
arrhythmia; fetal; transplacental medication; management; treatment protocol
Categories
Funding
- University of Medicine, Pharmacy, Science [10126/4/17.12.2020]
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The optimal management of intrauterine tachyarrhythmias is still not well-established. Thorough evaluation of both the fetus and the mother is crucial prior to medication initiation. Different medications may be recommended for different types of tachyarrhythmias. However, these data require further validation through larger studies and should be handled with caution.
Sustained fetal tachycardias are rare but represent a high risk of mortality and morbidity. Consensus has yet to be found regarding their optimal management. The aim of this narrative review is to summarize the data available in the current literature regarding the efficacy and safety of medications used in the management of intrauterine tachyarrhythmias and to provide possible treatment protocols. In this review, we would like to emphasize the importance of a thorough evaluation of both the fetus and the mother, prior to transplacental antiarrhythmic drug initiation. Factors such as the hemodynamic status of the fetus, possible mechanisms of fetal arrhythmia, and concomitant maternal conditions are of primordial importance. As a possible treatment protocol, we would like to recommend the following: due to the risk of sustained supraventricular tachycardia (SVT), fetuses with frequent premature atrial beats should be evaluated more frequently by echocardiography. A careful hemodynamic evaluation of a fetus with tachycardia is primordial in forestalling the appearance of hydrops. In the case of atrial flutter (AFL), sotalol therapy could represent a first choice, whereas when dealing with SVT patients, flecainide should be considered, especially for hydropic patients. These data require consolidation through larger scale, non-randomized studies and should be handled with caution.
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