Our study has demonstrated that flecainide is an effective first-line treatment for fetal SVT with high success rate (88.2%), low side effect profile and relatively easy utilization. Based on the current study and recently published article results, flecainide can be recommended as the drug of first choice for treatment of fetal SVT cases.
Yılmaz-Semerci S, Bornaun H, Kurnaz D, Cebeci B, Babayiğit A, Büyükkale G, Çetinkaya M. Neonatal atrial flutter: Three cases and review of the literature. Turk J Pediatr 2018; 60: 306-309. Atrial flutter (AFl) is known to be a seldom type of fetal and neonatal arrhythmia. Although it could end in severe morbidities such as hydrops fetalis or even death, with early prenatal diagnosis and prompt therapeutic approaches the majority of AFl cases show good prognosis. Neonatal AFl might be resistant to first step therapies. Therefore, secondary agents like flecainide, amiodarone, sotalol and cardioversion, if required, could be influent in perinatal tachyarrhythmia. In addition, close follow-up even after discharge is very important to keep all follow-up appointments. Herein, we present three cases of fetal/neonatal AFl in light of the literature and discuss the characteristics, diagnosis and treatment options.
Objective:
To evaluate the long-term follow-up of patients with fetal cardiac tumors (FCTs), and to review the literature regarding advances in diagnosis and management of FCTs in the last decade.
Material and Methods:
In this retrospective study, pregnant women referred to a single center maternal-fetal medicine unit between 2013 and 2018 for advanced ultrasonography, were reviewed. Pediatric cardiology counseling was offered to women whose fetuses had FCTs. All patients were evaluated according to revised diagnostic criteria for tuberous sclerosis complex (TSC). Medical treatment was administered to patients with FCTs ≥30 mm or if they were symptomatic. Everolimus therapy at a dose of 2x0.25 mg twice a week for three months was started in the postnatal period.
Results:
Out of the 75,312 patients referred 18 (0.024%) were diagnosed with FCTs. Six were referred with fetal arrhythmias and the others were diagnosed with FCTs during routine follow-up. Ten patients (55%) with FCTs were diagnosed with TSC. All tumors were assessed to be rhabdomyoma. Mean tumor diameter in fetuses with TSC was significantly larger than those without TSC (29.8±14.1 mm versus 9.3±4.8 mm, respectively; p=0.004). All patients (n=2) who received medical therapy had a diagnosis of TSC and multiple FCTs and a reduction in tumor size occurred. Tumor size decreased in eight patients spontaneously during follow-up, but increased in one patient who had multiple locations but no TCS. No change in size was observed in the remaining seven cases. None of the fetuses died during the 1-5 year follow-up period.
Conclusion:
Rhabdomyoma are usually multiple and associated with TSC. Rhabdomyomas with TSC are larger, but most regress spontaneously or respond well to medical treatment after birth, and have an excellent long-term prognosis.
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