SUCCESSFUL TREATMENT OF SUPRAVENTRICULAR TACHYCARDIA WITH FLECAINIDE ACETATE - A CASE-REPORT

Background: Efficacy of flecainide acetate for the treatment of fetal supraventricular tachycardia with cardiac failure was reported. Case: For a case in which maternal digoxin therapy failed, flecainide acetat e (400 mg/day) is used from 27 weeks. Cardioversion with improved card iac function occurred 6 days after treatment. Fetal serum flecainide a cetate level was 292 ng/ml which was 64% of the maternal level (453 ng /ml). No adverse maternal side effects were noted with 11 weeks of the rapy. A vigorous male baby, weighing 3,610 g, Apgar 8/9, Ua-pH 7.24, w as born. He is now 1 year of age and in good condition with medication of 5 mg/kg flecainide acetate. Conclusion: Flecainide acetate seemed to be safe for bath mother and fetus, and effective for the treatment of fetal supraventricular tachycardia which is refractory to transplac ental digoxin therapy.