Incidence and Postnatal Profile of Fontan Patients by Adolescence from a Nationwide Birth Cohort

Acta Cardiologica Sinica
Meng-Chang LeeSan-Kuei Huang

Abstract

Although the Fontan procedure is associated with a variety of long-term complications, it is the mainstay treatment for congenital heart disease with a functioning single ventricle. Data concerning the epidemiological profile are scarce. We investigated the current epidemiological profile using a 2000-2008 nationwide birth cohort from a 2000-2014 database (1,967,991 live births), with complete postnatal data for at least 6 years. We identified 363 patients (2792 patient-years of follow-up) who had received the Fontan procedure, giving an incidence of 0.184/1000 live births. The overall Fontan surgical survival rate was 81.8%. In post-Fontan patients, the 10-year survival was 0.822 (±0.026). Causes of death included cardiac (43.8%), infection (20.8%), out-of-hospital death (16.7%), sudden death (8.3%), cerebral vascular accident (8.3%) and malignancy (2.1%). The risk of unexpected death (sudden death and out-of-hospital death) was 4.0%, or 0.55% per post-Fontan patient-year. Arrhythmias were common (12.1%). Supraventricular tachycardia was the most common type of arrhythmia, and occurred prior to the Fontan procedure in 22 patients, with a cumulative risk of 2.2%, 6.3%, and 11.6% by the age of 1, 5 and 10 years, respectively. Ar...Continue Reading

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