Clinical Significance of Ductus Venosus Waveform as Generated by Pressure-volume Changes in the Fetal Heart

被引：16

作者：

Braga, Madalena ^{[1
]}

Moleiro, Maria Lucia ^{[2
]}

Guedes-Martins, Luis ^{[1
,2
,3
,4
]}

机构：

[1] Univ Porto, Inst Ciencias Biomed Abel Salazar, Porto, Portugal

[2] Ctr Hosp Porto EPE, Ctr Materno Infantil Norte, Dept Mulher & Med Reprod, Porto, Portugal

[3] Ctr Hosp Porto, Ctr Materno Infantil Norte, Unidade Invest & Formacao, Porto, Portugal

[4] Univ Porto, Inst Invest & Inovacao Saude, Porto, Portugal

来源：

CURRENT CARDIOLOGY REVIEWS | 2019年 / 15卷 / 03期

关键词：

Ductus venosus; fetal venous circulation; ductus venosus shunting; ultrasound; doppler velocimetry; heart; TWIN TRANSFUSION SYNDROME; BLOOD-FLOW DISTRIBUTION; NUCHAL TRANSLUCENCY; REFERENCE RANGES; 1ST TRIMESTER; CHROMOSOMAL-ABNORMALITIES; CARDIAC DEFECTS; 2ND TRIMESTER; HIGH-RISK; PERINATAL OUTCOMES;

D O I：

10.2174/1573403X15666190115142303

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

The ductus venosus is a vascular shunt situated within the fetal liver parenchyma, connecting the umbilical vein to the inferior vena cava. This vessel acts as a bypass of the liver microcirculation and plays a critical role in the fetal circulation. The ductus venosus allows oxygenated and nutrient-rich venous blood to flow from the placenta to the myocardium and brain. Increased impedance to flow in the fetal ductus venosus is associated with fetal aneuploidies, cardiac defects and other adverse pregnancy outcomes. This review serves to improve our understanding of the mechanisms that regulate the blood flow redistribution between the fetal liver circulation and fetal heart and the clinical significance of the ductus venosus waveform as generated by pressure-volume changes in the fetal heart.

引用

页码：167 / 176

页数：10

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