Longitudinal Assessment of Outcome From Prenatal Diagnosis Through Fontan Operation for Over 500 Fetuses With Single Ventricle-Type Congenital Heart Disease: The Philadelphia Fetus-to-Fontan Cohort Study

Overview

Journal J Am Heart Assoc

Specialty Cardiology & Vascular Diseases

Date 2018 Oct 30

PMID 30371305

Citations 15

Authors

Michael Y Liu

Benjamin Zielonka

Brian S Snarr

Xuemei Zhang

J William Gaynor

Jack Rychik

Affiliations

Soon will be listed here.

Abstract

Background Prenatal diagnosis of single ventricle-type congenital heart disease is associated with improved clinical courses. Prenatal counseling allows for optimal delivery preparations and opportunity for prenatal intervention. Expectant parents frequently ask what the likelihood of survival through staged palliation is and the factors that influence outcome. Our goal was specifically to quantify peri- and postnatal outcomes in this population. Methods and Results We identified all patients with a prenatal diagnosis of single ventricle-type congenital heart disease presenting between July 2004 and December 2011 at our institution. Maternal data, fetal characteristics, and data from the postnatal clinical course were collected for each patient. Kaplan-Meier curves and multivariate analysis with logistic regression were used to evaluate variables associated with decreased transplant-free survival. Five hundred two patients were identified, consisting of 381 (76%) right ventricle- and 121 left ventricle-dominant lesions. After prenatal diagnosis, 42 patients did not follow up at our center; 79 (16%) chose termination of pregnancy, and 11 had intrauterine demise with 370 (74%) surviving to birth. Twenty-two (6%) underwent palliative care at birth. Among 348 surviving to birth with intention to treat, 234 (67%) survived to at least 6 months post-Fontan palliation. Presence of fetal hydrops, right ventricle dominance, presence of extracardiac anomalies, and low birthweight were significantly associated with decreased transplant-free survival. Conclusions In patients with a prenatal diagnosis of single ventricle-type congenital heart disease and intention to treat, 67% survive transplant-free to at least 6 months beyond Fontan operation. An additional 5% survive to 4 years of age without transplant or Fontan completion. Fetuses with right ventricle-dominant lesions, extracardiac anomalies, hydrops, or low birthweights have decreased transplant-free survival.

Citing Articles

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