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  • Title: Fetal case of right atrial isomerism with infracardiac total anomalous pulmonary venous connection and agenesis of the ductus venosus.
    Author: Kitagawa Y, Kim KS, Kawataki M, Ono S, Yanagi S, Ueda H.
    Journal: J Obstet Gynaecol Res; 2019 Nov; 45(11):2275-2279. PubMed ID: 31397516.
    Abstract:
    After birth, the ductus venosus becomes an important route connecting the pulmonary and systemic venous systems for survival in infracardiac total anomalous pulmonary venous connection. We encountered a fetal case of right atrial isomerism with infracardiac total anomalous pulmonary venous connection and agenesis of ductus venosus. Prenatal echocardiography suggested that the fetus had severe pulmonary venous obstruction; however, no obstructive lesions were detected at the level of the vertical vein that drained into the portal veins. Therefore, we concluded that emergency surgical pulmonary venous obstruction release was the only way for the fetus to survive. However, the saturation level was maintained above 70% due to the abundant communications via the hepatic sinusoid over 1 week after birth. In conclusion, hepatic sinusoids can be a sufficient route for pulmonary venous return and may not cause severe pulmonary venous obstruction in infracardiac total anomalous pulmonary venous connection with agenesis of ductus venosus.
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