2003
DOI: 10.1159/000073133
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Prenatal Diagnosis of Vein of Galen Aneurysmal Malformations

Abstract: Vein of Galen aneurysmal malformations are rarely seen intracranial malformations. They represent less than 1% of the cerebral arteriovenous malformations. Prenatal diagnosis of an arteriovenous fistula malformation may be achieved by real-time and Doppler sonography with color flow imaging, by identifying dilated veins and arteriovenous shunts with turbulent flow. In addition, an elevated cardiac output may be observed and correlated with the magnitude of the cerebral arteriovenous shunt. The high incidence o… Show more

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Cited by 28 publications
(23 citation statements)
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“…178 It may also occur as a consequence of right heart pathology that leads to an increased volume load to the right heart, including tricuspid 158,159 or pulmonary insufficiency, 160 severe pulmonary outflow obstruction, 220 or ductus arteriosus constriction. 173 Right heart dilation may also be observed in the presence of arteriovenous malformations such as vein of Galen aneurysm 221 or in agenesis of the ductus venosus where umbilical venous return results in preferential streaming to the right heart. 129 Valve and chamber size can be assessed qualitatively or quantitatively.…”
Section: Cardiac Biometrymentioning
confidence: 99%
“…178 It may also occur as a consequence of right heart pathology that leads to an increased volume load to the right heart, including tricuspid 158,159 or pulmonary insufficiency, 160 severe pulmonary outflow obstruction, 220 or ductus arteriosus constriction. 173 Right heart dilation may also be observed in the presence of arteriovenous malformations such as vein of Galen aneurysm 221 or in agenesis of the ductus venosus where umbilical venous return results in preferential streaming to the right heart. 129 Valve and chamber size can be assessed qualitatively or quantitatively.…”
Section: Cardiac Biometrymentioning
confidence: 99%
“…This rare congenital abnormality can cause severe morbidity and mortality-up to 100% in some reports on neonates with heart failure. [9][10][11][12][13][14][15] However, the prenatal natural history of VGAM and its complications is still unclear, and fetal echocardiography can be difficult to assess. Several prenatal findings are considered poor prognostic factors; these include evidence of heart failure (cardiomegaly and tricuspid insufficiency), polyhydramnios, pericardial and pleural effusion, edema and ascites, brain porencephaly, and ventriculomegaly.…”
mentioning
confidence: 99%
“…Fetal anemia is the most common pathology in this category, and intrauterine transfusions, one of the first successful forms of invasive intrauterine intervention [101,102]. More recently, various groups have explored such therapy for less common lesions associated with high output states including arteriovenous malformations [103][104][105] and acardiac twin gestations [97,106]. From observations made in fetuses with arteriovenous MR1 formations, it has been suggested that when the fetal combined output exceeds nearly 2-fold the normal combined cardiac output the fetus may evolve hydrops or demise [107], an observation which may be applicable to other fetal high output states.…”
Section: Extracardiac Malformations With Cardiac Consequencesmentioning
confidence: 99%