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  • Title: [Electric cardioversion in pregnant patients with obstructive hypertrophic cardiomyopathy. A clinical case].
    Author: Coven G, Zizzi S, Cimino F, Demartini L, Noli S, Giordano A, Mapelli A.
    Journal: Minerva Anestesiol; 1994 Dec; 60(12):725-8. PubMed ID: 7770139.
    Abstract:
    A case of atrial fibrillation during pregnancy in a woman at 30 weeks of gestation is described. She was affected by obstructive hypertrophic myocardiopathy, a rare disease usually non interfering with the normal course of pregnancy. The mortality rate is of 2-4% per year. The most frequent cause is "cardiac sudden death". High frequency atrial fibrillation can lead to right and left cardiac failure. The treatment of atrial fibrillation is to be chosen between a pharmacological or electrical therapy. However, during pregnancy, pharmacological cardioversion, although not excluded, could cause damaging side effects to the fetus. Conversely, according to literature, electrical cardioversion is effective on the mother and safer for the fetus. At admission the patient showed dyspnea, palpitations, tachycardia and hypotensions; ECG showed an atrial fibrillation at high frequency that required an immediate therapeutic decision. In the case we studied, we reported the recovery of cardiac rhythm with a single synchronized electric shock. Non alteration of fetal cardiac rhythm or uterine contractility was observed. Pregnancy went on without accidents until the 36th week, when a cesarean section was performed under general anaesthesia. We described our experience reviewing previous literature on the account of the rareness of the disease, its association to a pregnancy and the serious alterations of cardiac rhythm at the admission, which led us to take an immediate decision, safeguarding both the mother and the fetus.
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