Abnormal ductus venosus streaming toward the right heart offers a new and plausible explanation for left heart hypoplasia in human fetuses with left diaphragmatic hernia
T Kohl, A Franz, A Geipel, R Stressig, C Berg, K Tchatcheva, U Gembruch · Ultraschall in der Medizin - European Journal of Ultrasound · 2008 · Heft 05
Bibliografische Angaben
Zusammenfassung
Aims: Underdevelopment of left heart structures is common in fetuses with left diaphragmatic hernia. This finding has been explained with external compression of the left heart by herniated organs and/or low pulmonary venous return from the hypoplastic lungs. As right or left heart underdevelopment is usually no feature in right diaphragmatic hernias, we refuted the previously proposed explanations for left heart hypoplasia and searched for an alternative cause. Since in normal fetuses the major fraction of left heart filling is provided by the ductus venosus, our study focused in particular on ductus venosus st…