Aneurysm of the Great Vein of Galen

Agee, O F; Musella, R; Tweed, Carol

doi:10.3171/jns.1969.31.3.0346

Cited by 25 publications

(6 citation statements)

References 3 publications

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“…Angiography demonstrated AVG and an occluded straight sinus. In 1969, Agee et al [25]reported a 37-year-old male with shunted hydrocephalus and an AVG that regressed spontaneously with associated occlusion of the straight sinus, similar to a case reported by Zingesser et al [46], with nonvisualization of the straight sinus at angiography.…”

Section: Development/thrombosismentioning

confidence: 69%

“…However, obstruction alone might be a cause of hydrocephalus since ventricular dilatation has continued to develop despite thrombosis of the aneurysm and its venous system [24]. The effect of shunting on thrombosis, as in Case 1, is not known; however, in the literature, most lesional thromboses occurred without, or prior to, intracranial intervention [25]. …”

Section: Symptoms/presentationmentioning

confidence: 99%

“…Among the factors mentioned in the literature leading to an acute or gradual thrombosis of an AVG are: (1) compression by hematoma or posthemorrhagic edema (hematomas within or adjacent to the malformation might conceivably collapse vessels within the lesion to initiate the process of intravascular thrombosis [25]), (2) vascular spasm and (3) regressive changes in the vessel walls. In our cases, there was no sign of perianeurysmal hematoma or edema, but there were blood clots within the aneurysmal sac.…”

Section: Development/thrombosismentioning

confidence: 99%

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Spontaneous Thrombosis of Vein of Galen Aneurysmal Malformation

1999

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Two cases of aneurysmal malformations of the vein of Galen (AVG) with spontaneous thrombosis are reported. Angiogram and MRI before thrombosis demonstrated AVGs with slow arteriovenous shunts and associated stagnation of contrast in the venous sac secondary to severe outflow restriction. Based on these findings, one patient was managed conservatively, and the other underwent placement of a ventriculoperitoneal shunt. Surveillance of the lesions with subsequent MRIs revealed spontaneous thrombosis of the AVGs with excellent clinical outcomes. Proposed mechanisms of spontaneous thrombosis include slow flow shunts, obstruction of the venous outflow or obstruction of the feeding artery. Similar cases in the literature are reviewed with special emphasis on diagnostic tests, symptomatology, mechanisms of thrombosis and therapeutic options.

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Section: Development/thrombosismentioning

confidence: 69%

Section: Symptoms/presentationmentioning

confidence: 99%

Section: Development/thrombosismentioning

confidence: 99%

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Spontaneous Thrombosis of Vein of Galen Aneurysmal Malformation

1999

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“…Pun KK et al [63] Not available / VP shunt Improved Not available O ' Reilly GV et al [64] M, 56 / Oral dexamethasone Improved ? Rosenfeld JV et al [65] F, 57 / External drainage, VP shunt Improved 2 years Askenazy HM et al [66] M, 39 Not available Not available Not available Not available Agee OF et al [67] M, 37 / VA shunt Improved ? Hernesniemi J [68] M, 46 / Surgery, occipital catheter Improved 3 years Kleindienst A et al [69] M, 48 / Shunt Improved ?…”

Section: Discussionmentioning

confidence: 99%

Endoscopic Treatment of Hydrocephalus Due to Aneurysm of the Vein of Galen: Case Report and Literature Review

Feletti

Denaro²,

Marton³

et al. 2007

Minim Invasive Neurosurg

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Aneurysms of the vein of Galen are uncommon vascular malformations. They are most frequently seen in infants and children, leading to heart failure and hydrocephalus. Exceptionally, they are detected in adults. Several theories have been proposed to explain hydrocephalus in these patients: obstruction of the cerebral aqueduct, impaired absorption of CSF after subarachnoid hemorrhage, passive ex-vacuo mechanism, or thrombosis of an aneurysm. Hydrocephalus has been treated mainly with cerebrospinal shunt procedures, but also direct surgery, radiosurgery and embolisation of the malformation have proved to be effective. We report the case of a partially thrombosed ectasia of the vein of Galen in a 44-year-old male, with huge hydrocephalus successfully treated with an endoscopic third ventriculostomy.

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“…By the late 1940s and early 1950s, advances in cerebral angiography had facilitated several important descriptive papers that served to increase awareness of the condition of vein of Galen aneurysmal malformation, which is reflected in a significant number of individual case reports in the 1950s and 1960s. 1,6,8,21,35,36 Silverman and colleagues 31,32 communicated important observations about the pathophysiological features of the fistula in a vein of Galen aneurysmal malformation and its causative role in prompting high-output cardiac failure in neonates and infants. Before birth, the low-resistance placental circulation absorbs as much as 40% of cardiac output, so that the right ventricle supplies the placenta and lower body while the left ventricle supplies the head.…”

Section: Historical Eramentioning

confidence: 96%

History of surgery for cerebrovascular disease in children. Part II. Vein of Galen malformations

Blount

Oakes

Tubbs

et al. 2006

FOC

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✓ Vein of Galen aneurysmal malformations are a mixed group of lesions characterized by an abnormal fistula between abnormal distal branches of the choroidal and/or posterior cerebral arteries and the great vein of Galen. In this paper the authors trace the historical evolution of the current approach to diagnosis and treatment, and the literature is reviewed comprehensively. During the historical era, vein of Galen malformations were described in individual case reports and an early classification system was developed. In the early era of treatment, open surgery was the preferred approach, although morbidity and mortality rates were high. The development of neurointerventional techniques allowed the introduction of occlusive materials into the fistula, with pronounced improvements in clinical outcome.

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Aneurysm of the Great Vein of Galen

Cited by 25 publications

References 3 publications

Spontaneous Thrombosis of Vein of Galen Aneurysmal Malformation

Spontaneous Thrombosis of Vein of Galen Aneurysmal Malformation

Endoscopic Treatment of Hydrocephalus Due to Aneurysm of the Vein of Galen: Case Report and Literature Review

History of surgery for cerebrovascular disease in children. Part II. Vein of Galen malformations

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