Talk:Cardiovascular System - Ductus Venosus

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On this website the Discussion Tab or "talk pages" for a topic has been used for several purposes: References - recent and historic that relates to the topic Additional topic information - currently prepared in draft format Links - to related webpages Topic page - an edit history as used on other Wiki sites Lecture/Practical - student feedback Student Projects - online project discussions. Links: Pubmed Most Recent | Reference Tutorial | Journal Searches Glossary Links Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers | Symbols | Term Link Cite this page: Hill, M.A. (2024, April 18) Embryology Cardiovascular System - Ductus Venosus. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Talk:Cardiovascular_System_-_Ductus_Venosus

2014

Ductus Venosus Doppler Flow Velocity after Transplacental and Non-transplacental Amniocentesis during Midtrimester

Pak J Med Sci. 2014 Sep;30(5):992-5. doi: 10.12669/pjms.305.5065.

Artunc Ulkumen B1, Pala HG2, Baytur YB3, Koyuncu FM4.

Abstract

OBJECTIVE: We aimed to evaluate ductus venosus Doppler waveforms before and after amniocentesis in order to investigate any effect of amniocentesis on fetal myocardial hemodynamics. We also evaluated the umbilical artery, uterine artery and fetal mid-cerebral artery Doppler waveforms in order to investigate any relationship with ductus venosus Doppler changes. METHODS: The study population consisted of 56 singleton pregnancies having genetic amniocentesis. Twenty seven of them had transplacental needle insertion; whereas 29 of them had non-transplacental amniocentesis. Uterine artery, umbilical artery, mid-cerebral artery and ductus venosus pulsatiliy index and resistance index were measured just before and after amniocentesis. RESULTS: Amniocentesis does not cause any significant changes in fetal ductus venosus Doppler waveforms. There is also no significant changes in uterine artery, umbilical artery, mid-cerebral artery pulsatility and resistance index. CONCLUSION: Amniocentesis-whether transplacental or not- does not cause any significant effect on fetal myocardial hemodynamics. KEYWORDS: Amniocentesis; Ductus venosus Doppler; Mid-cerebral artery Doppler; Umbilical artery Doppler; Uterine artery Doppler

PMID 25225513

2013

Percutaneous device closure of persistent ductus venosus presenting with hemoptysis

Ann Pediatr Cardiol. 2013 Jul;6(2):173-5. doi: 10.4103/0974-2069.115274.

Subramanian V1, Kavassery MK1, Sivasubramonian S1, Sasidharan B1.

Abstract

An eight-year-old boy was evaluated for unexplained hemoptysis and cyanosis. A contrast echocardiogram was suggestive of pulmonary arteriovenous fistula. Further evaluation revealed persistent ductus venosus (PDV) and aortopulmonary collaterals. Both the PDV and aortopulmonary collaterals were closed percutaneously. PDV is amenable for device closure after detailed anatomical evaluation. Prior to closure, it is important to ensure adequate portal vein arborization into the liver and normal portal pressure after test balloon occlusion. KEYWORDS: Pulmonary arteriovenous fistula; persistent ductus venosus; portal vein and device

PMID 24688239

1997

Ultrasonographic study of ductus venosus in healthy neonates

Arch Dis Child Fetal Neonatal Ed. 1997 Sep;77(2):F131-4.

Fugelseth D1, Lindemann R, Liestøl K, Kiserud T, Langslet A.

Abstract

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 time, in 76% before day 7, and in all infants before day 18. A closed ductus venosus or ductus arteriosus did not show signs of reopening. Pulsed and colour Doppler flow could be detected across the foramen ovale in all infants during the sequential investigation. At day 1, when the pulmonary vascular resistance was still high, a reversed Doppler flow velocity signal was seen in ductus venosus in 10 infants (20%) and a bidirectional flow in ductus arteriosus in 26 (52%). Closure of the ductus venosus was not significantly correlated with closure of the ductus arteriosus nor related to sex nor weight loss. CONCLUSIONS: The time of closure of the ductus venosus evaluated by ultrasonography is much later than that of the ductus arteriosus. The flow pattern in ductus venosus reflects the portocaval pressure gradient and the pressure on the right side of the heart and in the pulmonary arteries. Both the flow pattern in the ductus venosus as well as that in the ductus arteriosus may be an indication of compromised neonatal haemodynamics.

PMID 9377136