Gallardo MY, Puga BMV, Román RPA, Pérez TJE, Vasallo PR, Guerra PBM

Language: Spanish
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ABSTRACT

Introduction: There are no data in Cuba on the monitoring during pregnancy in patients with long QT syndrome (LQTS).
Objectives: Share the experience of the National Service of Cardiopathy and Pregnancy in the management of pregnant women with LQTS.
Method: All patients treated in the service with LQTS were included in the period 2000-2017. We used the database that includes: clinical characteristics, electrocardiogram, echocardiogram, monitoring during pregnancy as well as newborn data. Cardiac events were considered to be the presence of syncope, malignant ventricular arrhythmias (MVA) or sudden cardiac death.
Results: A retrospective analysis of five pregnancies was performed in a total of four patients. The QTc was 579 ± 88 ms. Two patients had presented symptoms prior to pregnancy: the first with a history of MVA carrying an implantable cardioverter defibrillator (ICD) and the second with a permanent pacemaker due to syncopal events. All patients were treated with propranolol during pregnancy. There were no cardiac events during pregnancy or immediate postpartum in any patient.
Conclusions: According to our experience, pregnant women with LQTS who were treated with B-blockers (propranolol) did not have cardiac events during pregnancy.