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Vein of galen

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https://www.readbyqxmd.com/read/28479804/dos-and-don-ts-of-venous-accidents-around-the-vein-of-galen
#1
Chandramouli Balasubramanian, Bhoresh Dhamija, Luis Rafael Moscote-Salazar, Amit Agrawal
No abstract text is available yet for this article.
April 2017: Journal of Neurosciences in Rural Practice
https://www.readbyqxmd.com/read/28445905/prenatal-diagnosis-of-galen-vein-aneurysm-using-ultrasonography-and-magnetic-resonance-imaging-and-perinatal-and-long-term-neurological-outcomes-a-case-series
#2
Pedro Pires, Larisse de Brito Aurélio Martins, Norma Maria Tenório Brito Pires, Heron Werner, Adilson Cunha Ferreira, Edward Araujo Júnior
Objective To describe the prenatal diagnosis of Galen vein aneurysm (GVA) based on ultrasonography and magnetic resonance imaging (MRI) in a series of cases, as well as its postnatal outcomes and follow-up until 4 years of age. Methods A retrospective longitudinal study was performed, analyzing a database comprising seven cases of prenatal diagnosis of GVA at two Brazilian institutions from February of 2000 to May of 2012. The following data were evaluated: gestational age at diagnosis, GVA dimensions on ultrasonography, associated fetal changes, findings on fetal echocardiography, gestational age at delivery, type of delivery, birth weight, Apgar score at the 1st and 5th minutes, neonatal outcomes, and survival with follow-up until 4 years of age...
April 26, 2017: Revista Brasileira de Ginecologia e Obstetrícia
https://www.readbyqxmd.com/read/28433974/hypoactive-hypoalert-behaviour-and-thalamic-hypometabolism-due-to-intracranial-hypotension
#3
Seamus Kearney, Peter Flynn, Simon Hughes, Wendy Spence, Mark Owen McCarron
A 47-year-old man presented with a 9-year history of a hypoalert hypoactive behaviour syndrome, caused by the deep brain swelling variant of spontaneous intracranial hypotension. Along with apathy with retained cognition, he had stable ataxia, impaired upgaze and episodes of central apnoea. MRI brain showed a sagging brainstem, pointed ventricles and reduced angle between the vein of Galen and the straight sinus, but no meningeal enhancement or subdural collections. A dopamine transporter scan showed preganglionic dopamine receptor deficiency; a fluorodeoxy glucose positron emission tomography scan showed bilateral hypothalamic hypometabolism...
April 22, 2017: Practical Neurology
https://www.readbyqxmd.com/read/28338447/vein-of-galen-malformation-treated-with-the-micro-vascular-plug-system-case-report
#4
Woojin Joo, Philippe Mercier, Shiva Kheradmand, Peyman Shirani, Ahmed Sarhan, Samer K Elbabaa, Randall C Edgell
This case report describes the use of the Micro Vascular Plug (MVP) system in a mural-type vein of Galen aneurysmal malformation, resulting in successful occlusion of the cerebrovascular fistula. This result was confirmed with immediate cessation in blood flow and 6-month follow-up angiography. The unique characteristics of the MVP provide potential advantages over current embolic techniques for occlusion of high-flow, fistulous, intracranial vessels such as those seen in the vein of Galen aneurysmal malformation, and may represent a valuable addition to the currently available options...
March 24, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28324875/unilateral-postoperative-deep-cerebral-venous-thrombosis-with-complete-recovery-a-report-of-2-cases
#5
Mony Benifla, Suzzanne Laughlin, Zulma S Tovar-Spinoza, James T Rutka, Peter B Dirks
Postsurgical deep brain venous thrombosis has not been well described in children before. When approaching thalamic or intraventricular lesions, extra care should be taken to prevent injury to the internal cerebral veins (ICVs) and the vein of Galen. However, even when they are well preserved during surgery, postoperative hemodynamic changes, mainly in the first 24 h, or surgical manipulation can cause thrombosis of these veins. We report 2 children with unilateral postoperative ICV thrombosis; in 1 of the patients the vein of Galen was also thrombosed...
March 22, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28304197/endovascular-treatment-of-a-dural-arteriovenous-fistula-in-a-patient-with-loeys-dietz-syndrome-a-case-report
#6
Rie Aoki, Kittipong Srivatanakul, Takahiro Osada, Kazuko Hotta, Takatoshi Sorimachi, Mitsunori Matsumae, Hiroko Morisaki
Background Loeys-Dietz syndrome (LDS) is a recently recognized autosomal dominant connective tissue disease. The manifestations of LDS include vascular tortuosity, scoliosis, craniosynostosis, aneurysm and aortic dissections. Clinical presentation A 35-year-old woman treated with Stanford type B aortic dissection and breast cancer was referred to us for Borden type II dural arteriovenous fistula (dAVF) draining to the vein of Galen, involving the midline of tentorium cerebelli. The dAVF was treated successfully by combined transarterial and transvenous embolization...
April 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28224101/vein-of-galen-malformation-in-a-neonate-a-case-report-and-review-of-endovascular-management
#7
Surasak Puvabanditsin, Rajeev Mehta, Kristy Palomares, Natalie Gengel, Christina Ferrucci Da Silva, Sudipta Roychowdhury, Gaurav Gupta, Arun Kashyap, David Sorrentino
Vein of Galen malformation (VOGM) is a rare congenital vascular malformation caused by the maldevelopment of its embryonic precursor, the median prosencephalic vein of Markowski. VOGM results in neonatal morbidity and mortality, and premature delivery does not improve the outcome. We report a term female neonate in whom a vein of Galen malformation was diagnosed prenatally at 37 wk of gestation during a growth ultrasound and confirmed by fetal magnetic resonance imaging. Signs of cardiac decompensation were evident in the fetus...
February 8, 2017: World Journal of Clinical Pediatrics
https://www.readbyqxmd.com/read/28186112/localization-of-short-chain-polyphosphate-enhances-its-ability-to-clot-flowing-blood-plasma
#8
Ju Hun Yeon, Nima Mazinani, Travis S Schlappi, Karen Y T Chan, James R Baylis, Stephanie A Smith, Alexander J Donovan, Damien Kudela, Galen D Stucky, Ying Liu, James H Morrissey, Christian J Kastrup
Short-chain polyphosphate (polyP) is released from platelets upon platelet activation, but it is not clear if it contributes to thrombosis. PolyP has increased propensity to clot blood with increased polymer length and when localized onto particles, but it is unknown whether spatial localization of short-chain polyP can accelerate clotting of flowing blood. Here, numerical simulations predicted the effect of localization of polyP on clotting under flow, and this was tested in vitro using microfluidics. Synthetic polyP was more effective at triggering clotting of flowing blood plasma when localized on a surface than when solubilized in solution or when localized as nanoparticles, accelerating clotting at 10-200 fold lower concentrations, particularly at low to sub-physiological shear rates typical of where thrombosis occurs in large veins or valves...
February 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28180030/serial-measurement-of-superior-vena-cava-flow-in-evaluation-of-the-clinical-severity-of-pial-arteriovenous-fistula-in-an-infant
#9
Mako Ago, Kenichi Masumoto, Atsushi Uchiyama, Yasuo Aihara, Yoshikazu Okada, Satoshi Kusuda
Background Pial arteriovenous fistula (AVF) is composed of one or more direct arterial feeding vessels with a single draining vein without nidus. A patient with the disease with high-flow AV shunting in the neonatal period not only suffers from high-output cardiac failure but also shows secondary neurological sequelae. In vein of Galen aneurysmal malformation, superior vena cava (SVC) flow measurements provide useful prognostic information. Case Presentation We measured serial SVC flow in a male infant with pial AVF...
January 2017: American Journal of Perinatology Reports
https://www.readbyqxmd.com/read/28110544/intracranial-structural-alteration-predicts-treatment-outcome-in-patients-with-spontaneous-intracranial-hypotension
#10
Hanna Choi, Mi Ji Lee, Hyun Ah Choi, Jihoon Cha, Chin-Sang Chung
Background Intracranial structural dislocation in spontaneous intracranial hypotension (SIH) can be measured by various intracranial angles and distances. We aimed to identify the clinical significance of structural dislocation in relation to treatment outcome in patients with SIH. Methods In this retrospective analysis, we identified patients with SIH who received an epidural blood patch (EBP) at Samsung Medical Center from January 2005 to March 2015. Structural dislocation in pretreatment MRIs of SIH patients was assessed by measuring tonsillar herniation, mamillopontine distance, the angle between the vein of Galen and straight sinus (vG/SS angle), the pontomesencephalic angle, and the lateral ventricular angle...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28092907/sinus-thrombosis-after-endovascular-treatment-of-vein-of-galen-aneurysmal-malformation
#11
Zeferino Demartini, Marcio Luis Tostes Dos Santos, Gelson Luis Koppe, Adriane de Andre Cardoso-Demartini
No abstract text is available yet for this article.
2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28076893/pseudofeeders-on-fetal-magnetic-resonance-imaging-predict-outcome-in-vein-of-galen-malformations
#12
Guillaume Saliou, Irène Vraka, Jean-Paul Teglas, Marie-Victoire Senat, Philippe Durand, Claire Colmant, Augustin Ozanne, Jelena Martinovic, Pierre Tissiere, Catherine Adamsbaum
OBJECTIVE: Although vein of Galen aneurysmal malformations (VGAM) can be diagnosed in the fetus, the challenge is predicting the occurrence of its 2 major complications: cardiopulmonary failure and encephalomalacia. This study attempts to determine which fetal brain magnetic resonance imaging (MRI) features might be used to predict the development of these complications at birth. METHODS: The cohort was extracted from a prospectively assembled database of VGAM cases managed at a single referral center from 2000 to 2014...
February 2017: Annals of Neurology
https://www.readbyqxmd.com/read/27857804/spontaneous-thrombosis-of-vein-of-galen-malformation
#13
Kalpana Devi Kariyappa, Murali Krishnaswami, Francis Gnanaprakasam, Madan Ramachandran, Visvanathan Krishnaswamy
Vein of Galen malformation (VOGM) is a rare intracranial vascular malformation. Before the advent and advancement of various endovascular techniques, there was dismal prognosis. Rarely, this condition may spontaneously thrombose without the need for surgical or endovascular treatment with good prognosis. We report a case of an 8-month-old infant who had serial imaging, suggestive of VOGM and presented to us for further management, wherein the imaging revealed spontaneous thrombosis.
July 2016: Journal of Pediatric Neurosciences
https://www.readbyqxmd.com/read/27837112/endovascular-treatment-of-vein-of-galen-aneurysmal-malformation-using-rapid-ventricular-pacing-a-case-report
#14
Birgitta Ramgren, Olof Rask, Jan Gelberg, Petru Liuba, Per Undrén, Johan Wassélius
The treatment of choice of vein of Galen aneurysmal malformation (VGAM) involves endovascular procedures that can be difficult to perform in high-flow fistulas. We describe the use of rapid ventricular pacing (RVP), a well-known cardiologic technique, to safely treat a high-flow fistula in an infant with VGAM.
February 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/27798855/retreatment-of-a-choroidal-vein-of-galen-malformation-with-embolization-42%C3%A2-years-after-open-surgical-treatment-in-the-neonatal-period
#15
Lucas Elijovich, Asim F Choudhri, Adam S Arthur, Paul Klimo, Frederick A Boop, Alejandro Berenstein
In 1976 an infant boy initially presented with a choroidal vein of Galen malformation (cVOGM). Craniotomy and clipping of the anterior cerebral artery and posterior choroidal arteries was performed, which was reported in the literature 40 years ago. The patient remained asymptomatic until age 42 when he re-presented with an isolated intraventricular hemorrhage. Angiography demonstrated cVOGM with venous sinus occlusive disease leading to venous hypertension and subsequent intraventricular hemorrhage. The angiogram also demonstrated a 'pseudo-nidus' composed of multiple arterial-to-arterial anastomoses that had developed as a result of the original surgical treatment...
May 2017: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/27715436/midline-and-off-midline-infratentorial-supracerebellar-approaches-to-the-pineal-gland
#16
Satoshi Matsuo, Serhat Baydin, Abuzer Güngör, Koichi Miki, Noritaka Komune, Ryota Kurogi, Koji Iihara, Albert L Rhoton
OBJECTIVE A common approach to lesions of the pineal region is along the midline below the torcula. However, reports of how shifting the approach off midline affects the surgical exposure and relationships between the tributaries of the vein of Galen are limited. The purpose of this study is to examine the microsurgical and endoscopic anatomy of the pineal region as seen through the supracerebellar infratentorial approaches, including midline, paramedian, lateral, and far-lateral routes. METHODS The quadrigeminal cisterns of 8 formalin-fixed adult cadaveric heads were dissected and examined with the aid of a surgical microscope and straight endoscope...
October 7, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27702926/retreatment-of-a-choroidal-vein-of-galen-malformation-with-embolization-42%C3%A2-years-after-open-surgical-treatment-in-the-neonatal-period
#17
Lucas Elijovich, Asim F Choudhri, Adam S Arthur, Paul Klimo, Frederick A Boop, Alejandro Berenstein
In 1976 an infant boy initially presented with a choroidal vein of Galen malformation (cVOGM). Craniotomy and clipping of the anterior cerebral artery and posterior choroidal arteries was performed, which was reported in the literature 40 years ago. The patient remained asymptomatic until age 42 when he re-presented with an isolated intraventricular hemorrhage. Angiography demonstrated cVOGM with venous sinus occlusive disease leading to venous hypertension and subsequent intraventricular hemorrhage. The angiogram also demonstrated a 'pseudo-nidus' composed of multiple arterial-to-arterial anastomoses that had developed as a result of the original surgical treatment...
October 4, 2016: BMJ Case Reports
https://www.readbyqxmd.com/read/27689921/diagnosis-of-vein-of-galen-aneurysmal-malformation-using-fetal-mri
#18
Li-Xia Zhou, Su-Zhen Dong, Ming-Feng Zhang
PURPOSE: To present three fetal vein of Galen aneurysmal malformations (VGAMs), which were diagnosed through magnetic resonance imaging (MRI), and highlight these cardiovascular findings. MATERIALS AND METHODS: We retrospectively reviewed three fetuses with VGAM at 31, 32, and 33 weeks of gestation. Feeding arteries and draining veins were observed by MRI. Secondary changes in the brain and high-output heart failure caused by high blood flow in the lesion were evaluated...
September 30, 2016: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/27645455/ep02-09-early-and-uncommon-prenatal-diagnosis-of-vein-of-galen-aneurysm
#19
N Meirowitz, A Yukhayev, R Madankumar
No abstract text is available yet for this article.
September 2016: Ultrasound in Obstetrics & Gynecology
https://www.readbyqxmd.com/read/27601322/endovascular-treatment-of-pediatric-intracranial-arteriovenous-shunting
#20
Yasunari Niimi
Intracranial arteriovenous shunts (ICAVSs) in young children are characterized with frequent high flow fistulas. In association of high flow fistulas and physiological condition of the developing brain and heart, each disease tends to present at a certain age with unique symptoms. Vein of Galen aneurysmal malformation (VGAM) and dural sinus malformation (DSM) with arteriovenous (AV) shunts tend to present in neonate with high output cardiac failure. In infancy, VGAM, pial AVF and infantile dural AVF tend to present with hydrodynamic disorder such as macrocephaly, ventriculomegaly, prominent facial veins, and developmental delay...
September 7, 2016: Pediatrics International: Official Journal of the Japan Pediatric Society
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