In a different vein: the ductus venosus could yield much valuable information
نویسندگان
چکیده
منابع مشابه
Numerical investigation of the haemodynamics in the human fetal umbilical vein/ductus venosus based on the experimental data
Abortion of the fetus due to a disease, in an early stage of pregnancy, has been dramatically increased in the last decades. There is a still lack of knowledge on the various types of diseases which lead fetus to a vulnerable circumstance. The transport of oxygenated blood from the placenta to the human fetus has been an important clinical feature in Doppler velocimetry studies, especially the ...
متن کاملThe ductus venosus and the mechanism of its closure.
Although recognized since Vesalius as one of the distinguishing features of the foetal circulation, the precise function of the ductus venosus is uncertain. Anatomically, it provides a direct connexion between the umbilical vein and the inferior vena cava. Functionally, it represents a bypass through which part of the oxygenated umbilical blood flows directly into the inferior vena cava. Howeve...
متن کاملHepatic manifestations of familial patent ductus venosus in adults.
BACKGROUND The ductus venosus connects the umbilical vein to the inferior vena cava during fetal life and subsequently closes rapidly after birth. It is known as patent ductus venosus when it remains patent in adulthood. PATIENTS A 43 year old man with a history of panhypopituitarism presented with recurrent bouts of pedal oedema associated with fatigue, hypoalbuminaemia, and elevated prothro...
متن کاملFunctional morphology of ductus venosus in human fetus.
OBJECTIVES The morphology of region umbilical vein, umbilical sinus and ductus venosus of human fetuses have been investigated. MATERIAL AND METHODS 26 human fetuses between 20 and 40 weeks' gestation were examined by morphological methods. The umbilical vein, DV and the portal vein were obtained after termination of gestation. Tissue samples have been fixed in phormaldehyde solution (pH 7,2)...
متن کاملUltrasonographic study of ductus venosus in healthy neonates.
AIM To assess ultrasonographically the flow pattern and the time of postnatal closure of ductus venosus related to the other fetal shunts. METHODS Fifty healthy, term neonates were studied from day 1 up to day 18 using a VingMed CFM 800A ultrasound scanner. RESULTS Ductus arteriosus was closed in 94% of the infants before day 3. Ductus venosus, however, was closed in only 12% at the same ti...
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ژورنال
عنوان ژورنال: Ultrasound in Obstetrics and Gynecology
سال: 1997
ISSN: 0960-7692
DOI: 10.1046/j.1469-0705.1997.09060369.x