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Devarajan A, Schupper AJ, Rossitto CP, Bonet JM, Sorscher M, Vasan V, Morgenstern PF, Ghatan S, Shigematsu T, Berenstein A, Fifi JT. Use of a mini balloon microcatheter to facilitate penetration of fine vascular networks and curative embolization in vein of Galen malformations. J Neurointerv Surg 2024; 16:698-705. [PMID: 38085160 DOI: 10.1136/jnis-2023-020577] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 07/07/2023] [Indexed: 06/19/2024]
Abstract
Background Patients with vein of Galen malformations (VOGMs) can develop fine angiogenic networks with fistulous connections to the precursor of the vein of Galen. In these cases, transarterial embolization (TAE) with liquid embolic agents (LEAs) is challenging due to reflux in the pedicle leading to the network, causing poor penetration. Transvenous approaches carry a risk of hemorrhage from pathologic vasculature. Dual-lumen balloon microcatheters like the Scepter Mini (Microvention, Aliso Viejo, CA) improve distal pedicle access, preventing reflux. Objective Here, we report on the use of the Scepter Mini for TAE of angiogenic VOGM. Methods A single-institution retrospective chart review identified all VOGMs treated with Scepter Mini microcatheters. Clinical data, angioarchitecture, and technical parameters were reviewed. Results 17 Scepter Mini catheters were used in 12 embolization procedures of 7 patients with VOGM at a median age of 2.1 years. Patients presented with hydrocephalus (100%) and gross motor and speech delays (57.1%). Networks developed extra-axially into the subependymal zone fed by posterior choroidal, posterior cerebral, and thalamoperforator arteries. Posterior choroidal branches (n=7/17, 41.2%) were most frequently catheterized to achieve distal access to the network. Embolization with Onyx-18 and significant network penetration occurred in 17/17 uses. Near tip entrapment with LEA cast displacement occurred in 1/17 uses. Another patient experienced postprocedural intraventricular hemorrhage requiring a third ventriculostomy without permanent neurologic deficit. Conclusion The Scepter Mini provided excellent distal access with penetration to the fistula and extra-axial network reduction with few complications. The Scepter Mini provides a means for successful treatment of technically challenging angiogenic VOGM.
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Affiliation(s)
- Alex Devarajan
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Alexander J Schupper
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Christina P Rossitto
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Jessica M Bonet
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Michelle Sorscher
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Vikram Vasan
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Peter F Morgenstern
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Saadi Ghatan
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Tomoyoshi Shigematsu
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Alejandro Berenstein
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
| | - Johanna T Fifi
- Neurosurgery, Icahn School of Medicine at Mount Sinai, New York City, New York, USA
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Parodi C, Aluffi Valletti M, Tortora D, Buratti S, Mallamaci M, Tuo G, Pistorio A, Moscatelli A, Rossi A, Severino M. Vein of Galen aneurysmal malformation: does size affect outcome? Neuroradiology 2024; 66:1031-1042. [PMID: 38607438 PMCID: PMC11133167 DOI: 10.1007/s00234-024-03347-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 03/25/2024] [Indexed: 04/13/2024]
Abstract
PURPOSE To validate a semiautomated method for segmenting vein of Galen aneurysmal malformations (VGAM) and to assess the relationship between VGAM volume and other angioarchitectural features, cardiological findings, and outcomes. METHODS In this retrospective study, we selected all subjects with VGAM admitted to the Gaslini Children's Hospital between 2009 and 2022. Clinical data were retrieved from electronic charts. We compared 3D-Slicer segmented VGAM volumes obtained by two independent observers using phase-contrast MR venography to those obtained with manual measurements performed on T2-weighted images. The relationship between VGAM volumes and clinical and neuroimaging features was then explored. RESULTS Forty-three subjects with VGAM (22 males, mean age 6.56 days) were included in the study. Manual and semiautomated VGAM volumes were well correlated for both readers (r = 0.86 and 0.82, respectively). Regarding reproducibility, the inter-rater interclass correlation coefficients were 0.885 for the manual method and 0.992 for the semiautomated method (p < 0.001). The standard error for repeated measures was lower for the semiautomated method (0.04 versus 0.40 of manual method). Higher VGAM volume was associated with superior sagittal sinus narrowing, jugular bulb stenosis, and aqueductal stenosis (p < 0.05). A weak correlation was found between VGAM volume and straight sinus dilatation (r = 0.331) and superior sagittal sinus index (r = - 0.325). No significant associations were found with cardiac findings, post-embolization complications, and outcome (p > 0.05). CONCLUSIONS Semiautomated VGAM volumetry is feasible and reliable with improved reproducibility compared to the manual method. VGAM volume is not a prognostic factor for clinical outcome, but it is related to other venous findings with potential hemodynamic effects.
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Affiliation(s)
- Costanza Parodi
- Neuroradiology Unit, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147, Genoa, Italy
| | | | - Domenico Tortora
- Neuroradiology Unit, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147, Genoa, Italy
| | - Silvia Buratti
- Neonatal and Pediatric Intensive Care Unit and Emergency Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Marisa Mallamaci
- Neonatal and Pediatric Intensive Care Unit and Emergency Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Giulia Tuo
- Pediatric Cardiology and Cardiac Surgery Unit, Surgery Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Angela Pistorio
- Biostatistics Unit, Scientific Direction, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Andrea Moscatelli
- Neonatal and Pediatric Intensive Care Unit and Emergency Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Andrea Rossi
- Neuroradiology Unit, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147, Genoa, Italy.
- Department of Health Sciences (DISSAL), University of Genoa, Genoa, Italy.
| | - Mariasavina Severino
- Neuroradiology Unit, IRCCS Istituto Giannina Gaslini, Via Gerolamo Gaslini 5, 16147, Genoa, Italy
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Bogovski S, Sirakova K, Sirakov S. Spontaneous thrombosis of type II vein of Galen aneurysmal malformation: a case report. Folia Med (Plovdiv) 2024; 66:269-276. [PMID: 38690824 DOI: 10.3897/folmed.66.e113248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 11/10/2023] [Indexed: 05/03/2024] Open
Abstract
Vein of Galen malformations (VGAMs) are rare and complex congenital brain vascular anomalies that pose significant diagnostic and treatment challenges. The natural history of this type of vascular anomaly is very poor, with many patients succumbing to complications such as congestive heart failure, hydrocephalus, and brain parenchymal injury. Although the clinical course of most VGAMs was considered unfortunate, with meticulous imaging, a group of lesions with a more placid presentation and course can be identified.
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Ivanov K, Atsev S, Petrov PP, Ilyov I, Penchev P. Epileptic Seizures in a Pediatric Patient With Vein of Galen Aneurysmal Malformation and Obstructive Hydrocephalus: A Rare Case Report. Cureus 2024; 16:e56962. [PMID: 38665762 PMCID: PMC11044896 DOI: 10.7759/cureus.56962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/26/2024] [Indexed: 04/28/2024] Open
Abstract
The vein of Galen aneurysmal malformation (VGAM) is a rare congenital arteriovenous fistula of the embryonic median prosencephalic vein of Markowski, resulting in its pathological dilation. If left untreated, it can lead to multiple severe complications in the neonatal period, among which obstructive hydrocephalus. We present a case report of a six-year-old male patient with severe status epilepticus and a clinical history of VGAM and obstructive hydrocephalus, diagnosed via an MRI and an MR-angiography. The hydrocephalus was treated via a ventriculostomy at the age of six months, while the VGAM underwent a partial transarterial endovascular embolization when the patient was four years old. The procedures were successful, and there were no significant post-operative complications observed. The epileptic seizures began at a later point and were successfully medicated with valproate. However, they resumed due to a lowering of the medication dosage by the patient's parents. The patient was given a new valproic acid regimen with an appropriate dosage, and his parents reported no further seizures. This case report emphasizes the use of appropriate prenatal and neonatal diagnostic methods for VGAM and explores the nature of the multi-procedural therapy approach towards the pathology and its complications in relation to a possibly idiopathic co-pathology, namely epilepsy.
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Affiliation(s)
- Kiril Ivanov
- Faculty of Medicine, Medical University of Plovdiv, Plovdiv, BGR
| | | | - Petar-Preslav Petrov
- Department of Anatomy, Histology and Embryology, Medical University of Plovdiv, Plovdiv, BGR
| | - Ilko Ilyov
- Faculty of Medicine, Medical University of Plovdiv, Plovdiv, BGR
| | - Plamen Penchev
- Faculty of Medicine, Medical University of Plovdiv, Plovdiv, BGR
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Vernon LE, Gano D, Pardo AC. Fetal stroke- etiopathogenesis affecting the maternal-placental-fetal triad and neonate. Semin Fetal Neonatal Med 2024; 29:101527. [PMID: 38679532 DOI: 10.1016/j.siny.2024.101527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Affiliation(s)
- Laura E Vernon
- Department of Pediatrics, Northwestern Feinberg School of Medicine, Northwestern University, Chicago, IL, USA; Division of Neurology, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA
| | - Dawn Gano
- Department of Neurology and Pediatrics, University of California, San Francisco, San Francisco, CA, USA
| | - Andrea C Pardo
- Department of Pediatrics, Northwestern Feinberg School of Medicine, Northwestern University, Chicago, IL, USA; Division of Neurology, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA.
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6
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Rangwala SD, Johnson K, See AP, Smith ER, Orbach DB. Direct Transverse Sinus Puncture for Transvenous Coil Embolization of Vein of Galen Malformations: Innovating Existing Techniques. Oper Neurosurg (Hagerstown) 2023; 25:e352-e358. [PMID: 37819101 DOI: 10.1227/ons.0000000000000883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 06/21/2023] [Indexed: 10/13/2023] Open
Abstract
BACKGROUND AND IMPORTANCE Vein of Galen malformations (VOGMs) are complex arteriovenous malformations in neonates and young children. Recent advances in endovascular interventions have drastically improved treatment and clinical outcomes in what was previously high-morbidity, high-mortality disease. The high-flow shunt pathophysiology in VOGMs can lead to dynamic changes in the malformation angioarchitecture, and over time patients can develop jugular bulb stenosis. In the setting of inaccessible transvenous access to the malformation for endovascular embolization in cases where transarterial embolization is inadequate, a combined surgical and endovascular technique must be used. We present the first successful modern-day application of direct puncture through transverse sinus for transvenous embolization of a VOGM. CLINICAL PRESENTATION We present 2 unique cases of complex VOGM malformations in patients who had previously undergone staged endovascular embolization for reduction of flow within the malformation. On follow-up, in both cases, there was development of severe sigmoid sinus and jugular bulb stenosis, increasing intracranial venous congestion and causing marked clinical deterioration. The stenosis prevented traditional transvenous access and treatment. We describe a direct puncture transverse sinus access using a burr hole approach for endovascular transvenous embolization in both cases with successful clinical outcomes. CONCLUSION Direct access using burr hole craniotomy to the transverse sinus for transvenous endovascular embolization is a safe approach in the setting of severe jugular bulb stenosis for treatment of VOGMs. This technique can be done efficiently to achieve complete flow elimination in the malformation, in cases where that is called for, without significant risks or complications related to the approach.
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Affiliation(s)
- Shivani D Rangwala
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston , Massachusetts , USA
| | - Kristin Johnson
- Vascular Biology Program, Boston Children's Hospital, Boston , Massachusetts , USA
| | - Alfred P See
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston , Massachusetts , USA
- Neurointerventional Radiology, Boston Children's Hospital, Harvard Medical School, Boston , Massachusetts , USA
| | - Edward R Smith
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston , Massachusetts , USA
| | - Darren B Orbach
- Neurointerventional Radiology, Boston Children's Hospital, Harvard Medical School, Boston , Massachusetts , USA
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7
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Zhao S, Mekbib KY, van der Ent MA, Allington G, Prendergast A, Chau JE, Smith H, Shohfi J, Ocken J, Duran D, Furey CG, Hao LT, Duy PQ, Reeves BC, Zhang J, Nelson-Williams C, Chen D, Li B, Nottoli T, Bai S, Rolle M, Zeng X, Dong W, Fu PY, Wang YC, Mane S, Piwowarczyk P, Fehnel KP, See AP, Iskandar BJ, Aagaard-Kienitz B, Moyer QJ, Dennis E, Kiziltug E, Kundishora AJ, DeSpenza T, Greenberg ABW, Kidanemariam SM, Hale AT, Johnston JM, Jackson EM, Storm PB, Lang SS, Butler WE, Carter BS, Chapman P, Stapleton CJ, Patel AB, Rodesch G, Smajda S, Berenstein A, Barak T, Erson-Omay EZ, Zhao H, Moreno-De-Luca A, Proctor MR, Smith ER, Orbach DB, Alper SL, Nicoli S, Boggon TJ, Lifton RP, Gunel M, King PD, Jin SC, Kahle KT. Mutation of key signaling regulators of cerebrovascular development in vein of Galen malformations. Nat Commun 2023; 14:7452. [PMID: 37978175 PMCID: PMC10656524 DOI: 10.1038/s41467-023-43062-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 10/30/2023] [Indexed: 11/19/2023] Open
Abstract
To elucidate the pathogenesis of vein of Galen malformations (VOGMs), the most common and most severe of congenital brain arteriovenous malformations, we performed an integrated analysis of 310 VOGM proband-family exomes and 336,326 human cerebrovasculature single-cell transcriptomes. We found the Ras suppressor p120 RasGAP (RASA1) harbored a genome-wide significant burden of loss-of-function de novo variants (2042.5-fold, p = 4.79 x 10-7). Rare, damaging transmitted variants were enriched in Ephrin receptor-B4 (EPHB4) (17.5-fold, p = 1.22 x 10-5), which cooperates with p120 RasGAP to regulate vascular development. Additional probands had damaging variants in ACVRL1, NOTCH1, ITGB1, and PTPN11. ACVRL1 variants were also identified in a multi-generational VOGM pedigree. Integrative genomic analysis defined developing endothelial cells as a likely spatio-temporal locus of VOGM pathophysiology. Mice expressing a VOGM-specific EPHB4 kinase-domain missense variant (Phe867Leu) exhibited disrupted developmental angiogenesis and impaired hierarchical development of arterial-capillary-venous networks, but only in the presence of a "second-hit" allele. These results illuminate human arterio-venous development and VOGM pathobiology and have implications for patients and their families.
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Affiliation(s)
- Shujuan Zhao
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Kedous Y Mekbib
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Martijn A van der Ent
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Garrett Allington
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Pathology, Yale School of Medicine, New Haven, CT, USA
| | - Andrew Prendergast
- Yale Zebrafish Research Core, Yale School of Medicine, New Haven, CT, USA
| | - Jocelyn E Chau
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, USA
| | - Hannah Smith
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - John Shohfi
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Jack Ocken
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Daniel Duran
- Department of Neurosurgery, University of Mississippi Medical Center, Jackson, MS, USA
| | - Charuta G Furey
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
- Department of Neurosurgery, Barrow Neurological Institute, Phoenix, AZ, USA
- Ivy Brain Tumor Center, Department of Translational Neuroscience, Barrow Neurological Institute, Phoenix, AZ, USA
| | - Le Thi Hao
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Phan Q Duy
- Department of Neurosurgery, University of Virginia School of Medicine, Charlottesville, VA, USA
| | - Benjamin C Reeves
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Junhui Zhang
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
| | | | - Di Chen
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Boyang Li
- Department of Biostatistics, Yale School of Public Health, New Haven, CT, USA
| | - Timothy Nottoli
- Yale Genome Editing Center, Department of Comparative Medicine, Yale School of Medicine, New Haven, CT, USA
| | - Suxia Bai
- Yale Genome Editing Center, Department of Comparative Medicine, Yale School of Medicine, New Haven, CT, USA
| | - Myron Rolle
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Xue Zeng
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, USA
- Laboratory of Human Genetics and Genomics, The Rockefeller University, New York, NY, USA
| | - Weilai Dong
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
- Laboratory of Human Genetics and Genomics, The Rockefeller University, New York, NY, USA
| | - Po-Ying Fu
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA
| | - Yung-Chun Wang
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA
| | - Shrikant Mane
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
| | - Paulina Piwowarczyk
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Katie Pricola Fehnel
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Alfred Pokmeng See
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Bermans J Iskandar
- Department of Neurological Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Beverly Aagaard-Kienitz
- Department of Neurological Surgery, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
- Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Quentin J Moyer
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Evan Dennis
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Emre Kiziltug
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Adam J Kundishora
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Tyrone DeSpenza
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Ana B W Greenberg
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | | | - Andrew T Hale
- Department of Neurosurgery, University of Alabama School of Medicine, Birmingham, AL, USA
| | - James M Johnston
- Department of Neurosurgery, University of Alabama School of Medicine, Birmingham, AL, USA
| | - Eric M Jackson
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Phillip B Storm
- Department of Neurosurgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
- Division of Neurosurgery, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Shih-Shan Lang
- Department of Neurosurgery, Hospital of the University of Pennsylvania, Philadelphia, PA, USA
- Division of Neurosurgery, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - William E Butler
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Bob S Carter
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Paul Chapman
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Christopher J Stapleton
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Aman B Patel
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Georges Rodesch
- Service de Neuroradiologie Diagnostique et Thérapeutique, Hôpital Foch, Suresnes, France
- Department of Interventional Neuroradiology, Hôpital Fondation A. de Rothschild, Paris, France
| | - Stanislas Smajda
- Department of Interventional Neuroradiology, Hôpital Fondation A. de Rothschild, Paris, France
| | - Alejandro Berenstein
- Department of Neurosurgery, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Tanyeri Barak
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | | | - Hongyu Zhao
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
- Department of Biostatistics, Yale School of Public Health, New Haven, CT, USA
| | - Andres Moreno-De-Luca
- Department of Radiology, Autism & Developmental Medicine Institute, Genomic Medicine Institute, Geisinger, Danville, PA, USA
| | - Mark R Proctor
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Edward R Smith
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Darren B Orbach
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
- Department of Neurointerventional Radiology, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Seth L Alper
- Division of Nephrology and Center for Vascular Biology Research, Beth Israel Deaconess Medical Center, and Department of Medicine, Harvard Medical School, Boston, MA, USA
| | - Stefania Nicoli
- Department of Genetics, Yale School of Medicine, New Haven, CT, USA
- Department of Pharmacology, Yale School of Medicine, New Haven, CT, USA
- Yale Cardiovascular Research Center, Department of Internal Medicine, Section of Cardiology, Yale School of Medicine, New Haven, CT, USA
| | - Titus J Boggon
- Department of Molecular Biophysics and Biochemistry, Yale School of Medicine, New Haven, CT, USA
- Department of Pharmacology, Yale School of Medicine, New Haven, CT, USA
| | - Richard P Lifton
- Laboratory of Human Genetics and Genomics, The Rockefeller University, New York, NY, USA
| | - Murat Gunel
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA
| | - Philip D King
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA.
| | - Sheng Chih Jin
- Department of Genetics, Washington University School of Medicine, St. Louis, MO, USA.
- Department of Pediatrics, Washington University School of Medicine, St. Louis, MO, USA.
| | - Kristopher T Kahle
- Department of Neurosurgery, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA.
- Department of Neurosurgery, Yale School of Medicine, New Haven, CT, USA.
- Division of Genetics and Genomics, Boston Children's Hospital, Boston, MA, US.
- Broad Institute of MIT and Harvard, Cambridge, MA, USA.
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Buratti S, Orbach DB, Muthusami P, Robertson F. Editorial: Vein of galen malformation: a scientific and clinical journey targeting the best outcome. Front Pediatr 2023; 11:1323889. [PMID: 38027306 PMCID: PMC10656608 DOI: 10.3389/fped.2023.1323889] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Affiliation(s)
- Silvia Buratti
- Neonatal and Pediatric Intensive Care Unit, Acceptance and Emergency Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Darren B. Orbach
- Neurointerventional Radiology, Boston Children’s Hospital, Boston, MA, United States
| | - Prakash Muthusami
- Interventional Radiology, University of Toronto and the Hospital for Sick Children, Toronto, ON, Canada
| | - Fergus Robertson
- Department of Radiology, Great Ormond Street Hospital, London, United Kingdom
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9
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Landolfo F, Giliberti P, De Rose DU, Pugnaloni F, Santisi A, Columbo C, Martini L, Ronchetti MP, Di Chiara L, Toscano A, Gandolfo C, Dotta A, Capolupo I. Use of levosimendan in hemodynamic management of heart failure in two neonates with intracranial arteriovenous shunts: a case series. Ital J Pediatr 2023; 49:141. [PMID: 37840126 PMCID: PMC10577993 DOI: 10.1186/s13052-023-01537-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 09/21/2023] [Indexed: 10/17/2023] Open
Abstract
BACKGROUND The hemodynamic status of newborns with intracranial arteriovenous shunts (AVSs) may be extremely complex. Mini-invasive hemodynamic monitoring through innovative techniques such as Near-Infrared Spectroscopy (NIRS) and Pressure Recording Analytical Method (PRAM) may help in understanding hemodynamics in newborns with AVSs. Levosimendan is a calcium sensitizer and inodilator, and it is known to improve ventricular function, but its use in newborns is limited. In our cases, we evaluated the effect of levosimendan on hemodynamics through NIRS and PRAM. CASE PRESENTATION Herein, we report the cases of two neonates with intracranial arteriovenous shunts, in whom we used levosimendan to manage cardiac failure refractory to conventional treatment. Levosimendan was used at a dosage of 0.1 mcg/kg/min for 72 h. Combined use of NIRS and PRAM helped in real-time monitoring of hemodynamic effects; in particular, levosimendan determined significant improvement in myocardium contractility as well as a reduction of heart rate. CONCLUSION In two neonatal cases of AVSs, levosimendan led to an overall hemodynamic stabilization, documented by the combination of NIRS and PRAM. Our results suggest introducing levosimendan as a second-line treatment in cases of severe cardiac dysfunction due to AVSs without improvement using standard treatment strategies. Future prospective and larger studies are highly warranted.
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Affiliation(s)
- Francesca Landolfo
- Neonatal Intensive Care Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | - Paola Giliberti
- Neonatal Intensive Care Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | | | - Flaminia Pugnaloni
- Neonatal Intensive Care Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | - Alessandra Santisi
- Neonatal Intensive Care Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | - Claudia Columbo
- Neonatal Intensive Care Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | - Ludovica Martini
- Neonatal Intensive Care Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | - Maria Paola Ronchetti
- Neonatal Intensive Care Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | - Luca Di Chiara
- Pediatric Cardiac Intensive Care Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | - Alessandra Toscano
- Perinatal Cardiology Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | - Carlo Gandolfo
- Neuroradiology Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | - Andrea Dotta
- Neonatal Intensive Care Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
| | - Irma Capolupo
- Neonatal Intensive Care Unit, "Bambino Gesù" Children's Hospital IRCCS, Rome, 00165, Italy
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10
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Nurimanov C, Makhambetov Y, Menlibayeva K, Nurakay N, Makhambetov N, Zholdybayeva E, Akshulakov S. Long-Term Outcomes of Endovascular Embolization in a Vein of Galen Aneurysmal Malformation: A Single-Center Experience. Diagnostics (Basel) 2023; 13:2704. [PMID: 37627963 PMCID: PMC10453383 DOI: 10.3390/diagnostics13162704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/16/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023] Open
Abstract
BACKGROUND A vein of Galen aneurysmal malformation (VGAM) is a rare congenital cerebral vascular condition with a high mortality rate if left untreated. This study describes the long-term outcomes of patients with VGAM, who were treated with endovascular embolization. METHODS This retrospective analysis focused on VGAM patients who underwent one or more endovascular embolization sessions between January 2008 and December 2022. The study included newborns and children under 18 years. Data encompassed clinical and demographic characteristics, types of endovascular embolization, treatment complications, mortality rates, and long-term outcomes. RESULTS Out of 22 VGAM cases, the majority were boys (86.36%), and the average age of the participants was 38 months, ranging from 25 days to 17 years. Endovascular embolization using liquid embolizing agents was the most common intervention (50%), and around 73% of patients underwent multiple sessions. Some patients underwent ventriculoperitoneal shunting (VPS) due to persistent hydrocephalus. In long-term outcomes, four patients (18.2%) showed developmental delays, and 16 patients (72.7%) had a positive outcome. CONCLUSIONS Combining endovascular therapy with a comprehensive management strategy significantly reduces mortality rates and improves the possibility of normal neurological development in patients.
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Affiliation(s)
- Chingiz Nurimanov
- Vascular and Functional Neurosurgery Department, National Center for Neurosurgery, Astana 010000, Kazakhstan; (Y.M.); (N.N.); (N.M.); (S.A.)
| | - Yerbol Makhambetov
- Vascular and Functional Neurosurgery Department, National Center for Neurosurgery, Astana 010000, Kazakhstan; (Y.M.); (N.N.); (N.M.); (S.A.)
| | - Karashash Menlibayeva
- Hospital Management Department, National Center for Neurosurgery, Astana 010000, Kazakhstan;
| | - Nurtay Nurakay
- Vascular and Functional Neurosurgery Department, National Center for Neurosurgery, Astana 010000, Kazakhstan; (Y.M.); (N.N.); (N.M.); (S.A.)
| | - Nursultan Makhambetov
- Vascular and Functional Neurosurgery Department, National Center for Neurosurgery, Astana 010000, Kazakhstan; (Y.M.); (N.N.); (N.M.); (S.A.)
| | - Elena Zholdybayeva
- National Scientific Shared Laboratory, National Center for Biotechnology, Astana 010000, Kazakhstan;
| | - Serik Akshulakov
- Vascular and Functional Neurosurgery Department, National Center for Neurosurgery, Astana 010000, Kazakhstan; (Y.M.); (N.N.); (N.M.); (S.A.)
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11
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Plut D, Prutki M, Slak P. The Use of Contrast-Enhanced Ultrasound (CEUS) in the Evaluation of the Neonatal Brain. CHILDREN (BASEL, SWITZERLAND) 2023; 10:1303. [PMID: 37628302 PMCID: PMC10453292 DOI: 10.3390/children10081303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 07/18/2023] [Accepted: 07/27/2023] [Indexed: 08/27/2023]
Abstract
In recent years, advancements in technology have allowed the use of contrast-enhanced ultrasounds (CEUS) with high-frequency transducers, which in turn, led to new possibilities in diagnosing a variety of diseases and conditions in the field of radiology, including neonatal brain imaging. CEUSs overcome some of the limitations of conventional ultrasounds (US) and Doppler USs. It allows the visualization of dynamic perfusion even in the smallest vessels in the whole brain and allows the quantitative analysis of perfusion parameters. An increasing number of articles are published on the topic of the use of CEUSs on children each year. In the area of brain imaging, the CEUS has already proven to be useful in cases with clinical indications, such as hypoxic-ischemic injuries, stroke, intracranial hemorrhages, vascular anomalies, brain tumors, and infections. We present and discuss the basic principles of the CEUS and its safety considerations, the examination protocol for imaging the neonatal brain, and current and emerging clinical applications.
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Affiliation(s)
- Domen Plut
- Clinical Radiology Institute, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia
- Department of Radiology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
| | - Maja Prutki
- Clinical Department of Diagnostic and Interventional Radiology, University Hospital Center Zagreb, School of Medicine, University of Zagreb, 10000 Zagreb, Croatia
| | - Peter Slak
- Clinical Radiology Institute, University Medical Centre Ljubljana, 1000 Ljubljana, Slovenia
- Department of Radiology, Faculty of Medicine, University of Ljubljana, 1000 Ljubljana, Slovenia
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12
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Buratti S, Mallamaci M, Tuo G, Severino M, Tortora D, Parodi C, Rossi A, Pasetti F, Castellan L, Capra V, Romano F, De Marco P, Pavanello M, Piatelli G, Paladini D, Calevo MG, Moscatelli A. Vein of Galen aneurysmal malformation in newborns: a retrospective study to describe a paradigm of treatment and identify risk factors of adverse outcome in a referral center. Front Pediatr 2023; 11:1193738. [PMID: 37587977 PMCID: PMC10426803 DOI: 10.3389/fped.2023.1193738] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 07/03/2023] [Indexed: 08/18/2023] Open
Abstract
Background Vein of Galen aneurysmal malformation (VGAM) is a rare cerebral vascular malformation associated with significant morbidity and mortality. Newborns with VGAM without adequate treatment may develop rapidly deteriorating high output heart failure (HOHF) and are at risk for severe neurological outcomes. Objective To describe the clinical course and management of newborns with VGAM, and identify which echocardiographic and neuroradiologic factors may be associated with severe heart failure at birth and adverse short term outcomes. Methods This is a single center retrospective cohort study including all consecutive newborns with VGAM admitted to Gaslini Children's Hospital between 2009 and 2022. We reviewed clinical data, intensive care support, fetal and neonatal cardiologic and neuroradiologic findings and we studied the association with severe HOHF, endovascular complications and death. Results Out of 40 newborns, 17 (42.5%) developed severe HOHF requiring early endovascular procedures. Medical treatment was focused on the main components of HOHF by providing inotropic support and peripheral vasodilation. Pulmonary vasodilators were avoided to reduce the negative effects of pulmonary overflow and prevent vascular remodeling. Reduction of the obligatory left to right shunt through the VGAM was possible only through endovascular treatment. Fetal cardiothoracic ratio was significantly associated with severe HOHF at birth and death. Cardiologic parameters of right ventricular overload, pulmonary hypertension and systemic steal were the leading findings associated with haemodynamic compromise at birth. The mediolateral diameter of the straight or falcine sinus at its shortest section (SS-MD), and arterial pseudofeeders were significantly associated with severe HOHF at birth in prenatal and postnatal assessments. None of the postnatal echocardiographic and MRI variables, nor a higher inotropic support were associated with major periprocedural complications or death. Mortality was due to palliation for congenital severe brain damage (4/40, 10%), or major periprocedural complications (3/40, 7.5%). None of the patients died due to HOHF and multiorgan failure. Overall survival at discharge was 82.5% (33/40). Conclusions The complexity of neonatal VGAM pathophysiology requires a multidisciplinary approach, specialized intensive care management, and early endovascular treatment to reduce mortality and optimize clinical outcomes. Cardiologic and neuroradiologic parameters are key to define risk stratification and treatment strategies.
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Affiliation(s)
- Silvia Buratti
- Neonatal and Pediatric Intensive Care Unit, Acceptance and Emergency Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Department of Neuroscience (DINOGMI), University of Genoa, Genoa, Italy
| | - Marisa Mallamaci
- Neonatal and Pediatric Intensive Care Unit, Acceptance and Emergency Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Giulia Tuo
- Pediatric Cardiology and Cardiac Surgery Unit, Surgery Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Mariasavina Severino
- Department of Neuroscience (DINOGMI), University of Genoa, Genoa, Italy
- Neuroradiology Unit, Services Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Domenico Tortora
- Neuroradiology Unit, Services Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Costanza Parodi
- Neuroradiology Unit, Services Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Andrea Rossi
- Pediatric Cardiology and Cardiac Surgery Unit, Surgery Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
- Neuroradiology Unit, Services Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Francesco Pasetti
- Pediatric Radiology Unit, Services Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Lucio Castellan
- Neuroradiology Unit, Diagnostic Imaging and Radiotherapy Department, San Martino Polyclinic Hospital, Genoa, Italy
| | - Valeria Capra
- Genomics and Clinical Genetics Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Ferruccio Romano
- Genomics and Clinical Genetics Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Patrizia De Marco
- Medical Genetics Unit, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Marco Pavanello
- Neurosurgery Unit, Surgery Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Gianluca Piatelli
- Neurosurgery Unit, Surgery Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
| | - Dario Paladini
- Fetal Medicine and Surgery Unit, Department Mother and Child, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Maria Grazia Calevo
- Epidemiology, Biostatistics Unit, Scientific Direction, IRCCS Istituto Giannina Gaslini, Genova, Italy
| | - Andrea Moscatelli
- Neonatal and Pediatric Intensive Care Unit, Acceptance and Emergency Department, IRCCS Istituto Giannina Gaslini, Genoa, Italy
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13
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Khurana J, Orbach DB, Gauvreau K, Collins SL, Tella JB, Agrawal PB, Christou HA, Mullen MP. Pulmonary Hypertension in Infants and Children with Vein of Galen Malformation and Association with Clinical Outcomes. J Pediatr 2023; 258:113404. [PMID: 37023946 DOI: 10.1016/j.jpeds.2023.113404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Revised: 03/09/2023] [Accepted: 03/27/2023] [Indexed: 04/08/2023]
Abstract
OBJECTIVE To assess the extent and resolution of pulmonary hypertension (PH), cardiovascular factors, and echocardiographic findings associated with mortality in infants and children with vein of Galen malformation (VOGM). STUDY DESIGN We performed a retrospective review of 49 consecutive children with VOGM admitted to Boston Children's Hospital from 2007 to 2020. Patient characteristics, echocardiographic data, and hospital course were analyzed for 2 cohorts based on age at presentation to Boston Children's Hospital: group 1 (age ≤60 days) or group 2 (age >60 days). RESULTS Overall hospital survival was 35 of 49 (71.4%); 13 of 26 (50%) in group 1 and 22 of 23 (96%) in group 2 (P < .001). High-output PH (P = .01), cardiomegaly (P = .011), intubation (P = .019), and dopamine use (P = .01) were significantly more common in group 1 than group 2. Among patients in group 1, congestive heart failure (P = .015), intubation (P < .001), use of inhaled nitric oxide (P = .015) or prostaglandin E1 (P = .030), suprasystemic PH (P = .003), and right-sided dilation were significantly associated with mortality; in contrast, left ventricular volume and function, structural congenital heart disease, and supraventricular tachycardia were not associated. Inhaled nitric oxide achieved no clinical benefit in 9 of 11 treated patients. Resolution of PH was associated with overall survival (P < .001). CONCLUSIONS VOGM remains associated with substantial mortality among infants presenting at ≤60 days of life owing to factors associated with high output PH. Resolution of PH is an indicator associated with survival and a surrogate end point for benchmarking outcomes.
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Affiliation(s)
- Jai Khurana
- Department of Cardiology, Boston Children's Hospital, Boston, MA
| | - Darren B Orbach
- Department of Neurosurgery, Boston Children's Hospital, Boston, MA; Neurointerventional Radiology, Department of Radiology, Boston Children's Hospital, Boston, MA; Harvard Medical School, Boston, MA
| | - Kimberlee Gauvreau
- Department of Cardiology, Boston Children's Hospital, Boston, MA; Harvard Medical School, Boston, MA
| | - Shane L Collins
- Department of Cardiology, Boston Children's Hospital, Boston, MA
| | - Joseph B Tella
- Department of Cardiology, Boston Children's Hospital, Boston, MA
| | - Pankaj B Agrawal
- Harvard Medical School, Boston, MA; Division of Newborn Medicine, Department of Pediatrics, Boston Children's Hospital, Boston, MA
| | - Helen A Christou
- Harvard Medical School, Boston, MA; Department of Pediatric Newborn Medicine, Brigham & Women's Hospital, Boston, MA
| | - Mary P Mullen
- Department of Cardiology, Boston Children's Hospital, Boston, MA; Harvard Medical School, Boston, MA.
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14
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Liddle D, Ibrahim B, Isibor C, Judge J, Orbach DB, Saleeb SF. Heart Failure Following Sinus Venosus Defect Closure in a Patient With Vein of Galen Malformation. JACC Case Rep 2023; 14:101831. [PMID: 37077875 PMCID: PMC10106996 DOI: 10.1016/j.jaccas.2023.101831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 03/11/2023] [Accepted: 03/20/2023] [Indexed: 04/21/2023]
Abstract
This case concerns an 18-month-old with masked congestive heart failure (CHF) from an unrepaired vein of Galen malformation and superior sinus venosus defect who progressed to severe, refractory CHF following superior sinus venosus defect repair. Partial transvenous coil embolization of a very-high-risk vein of Galen malformation resolved CHF symptoms. (Level of Difficulty: Advanced.).
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Affiliation(s)
- David Liddle
- Department of Cardiology, Boston Children’s Hospital, Boston, Massachusetts, USA
| | - Bishoy Ibrahim
- University of Connecticut School of Medicine, Farmington, Connecticut, USA
| | - Christopher Isibor
- Department of Neurosurgery, Boston Children’s Hospital, Boston, Massachusetts, USA
| | - Jennifer Judge
- Department of Neurosurgery, Boston Children’s Hospital, Boston, Massachusetts, USA
| | - Darren B. Orbach
- Department of Neurosurgery, Boston Children’s Hospital, Boston, Massachusetts, USA
- Neurointerventional Radiology, Boston Children’s Hospital, Boston, Massachusetts, USA
| | - Susan F. Saleeb
- Department of Cardiology, Boston Children’s Hospital, Boston, Massachusetts, USA
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts, USA
- Address for correspondence: Dr Susan Saleeb, Department of Cardiology, Boston Children’s Hospital, Boston, Massachusetts 02115, USA.
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15
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Zhao S, Mekbib KY, van der Ent MA, Allington G, Prendergast A, Chau JE, Smith H, Shohfi J, Ocken J, Duran D, Furey CG, Le HT, Duy PQ, Reeves BC, Zhang J, Nelson-Williams C, Chen D, Li B, Nottoli T, Bai S, Rolle M, Zeng X, Dong W, Fu PY, Wang YC, Mane S, Piwowarczyk P, Fehnel KP, See AP, Iskandar BJ, Aagaard-Kienitz B, Kundishora AJ, DeSpenza T, Greenberg ABW, Kidanemariam SM, Hale AT, Johnston JM, Jackson EM, Storm PB, Lang SS, Butler WE, Carter BS, Chapman P, Stapleton CJ, Patel AB, Rodesch G, Smajda S, Berenstein A, Barak T, Erson-Omay EZ, Zhao H, Moreno-De-Luca A, Proctor MR, Smith ER, Orbach DB, Alper SL, Nicoli S, Boggon TJ, Lifton RP, Gunel M, King PD, Jin SC, Kahle KT. Genetic dysregulation of an endothelial Ras signaling network in vein of Galen malformations. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.03.18.532837. [PMID: 36993588 PMCID: PMC10055230 DOI: 10.1101/2023.03.18.532837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/15/2023]
Abstract
To elucidate the pathogenesis of vein of Galen malformations (VOGMs), the most common and severe congenital brain arteriovenous malformation, we performed an integrated analysis of 310 VOGM proband-family exomes and 336,326 human cerebrovasculature single-cell transcriptomes. We found the Ras suppressor p120 RasGAP ( RASA1 ) harbored a genome-wide significant burden of loss-of-function de novo variants (p=4.79×10 -7 ). Rare, damaging transmitted variants were enriched in Ephrin receptor-B4 ( EPHB4 ) (p=1.22×10 -5 ), which cooperates with p120 RasGAP to limit Ras activation. Other probands had pathogenic variants in ACVRL1 , NOTCH1 , ITGB1 , and PTPN11 . ACVRL1 variants were also identified in a multi-generational VOGM pedigree. Integrative genomics defined developing endothelial cells as a key spatio-temporal locus of VOGM pathophysiology. Mice expressing a VOGM-specific EPHB4 kinase-domain missense variant exhibited constitutive endothelial Ras/ERK/MAPK activation and impaired hierarchical development of angiogenesis-regulated arterial-capillary-venous networks, but only when carrying a "second-hit" allele. These results illuminate human arterio-venous development and VOGM pathobiology and have clinical implications.
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16
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Lu VM, Luther EM, Silva MA, Rangwala SD, Starke RM, Smith ER, See AP. The composition of landmark vein of Galen malformation research: the emergence of endovascular treatments. Childs Nerv Syst 2023; 39:733-741. [PMID: 36149485 DOI: 10.1007/s00381-022-05687-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 09/19/2022] [Indexed: 11/25/2022]
Abstract
BACKGROUND Since the advent of endovascular treatment, the long-term prognosis of vein of Galen malformation (VOGM) has markedly improved; however, the nature of research leading to this point is unclear. The objective of this study was to define the composition of VOGM research to date, by means of a bibliometric analysis of the 100 most cited VOGM articles. METHODS An electronic search of Elsevier's Scopus database was performed to identify the 100 most cited articles on VOGM screened against predetermined criteria. Data were then compared. RESULTS The 100 most cited VOGM articles were published between 1974 and 2017 in 38 unique journals and originated from 16 unique countries. Mean citation count and rate were 59.4 citations and 2.9 citations/year, respectively. The USA (n = 42); Hôpital de Bicêtre, France (n = 15); and Dr. Pierre Lasjaunias (n = 16) were the largest individual country, institutional, and author contributors. Compared to the older articles (published < 2000), key differences for newer articles were statistically higher citation rates (P < 0.01), more authors (P < 0.01), higher proportion of endovascular treatment descriptions (P = 0.01), and more originating from Asia Pacific (P < 0.01). CONCLUSIONS From the 100 most cited VOGM articles to date, there has been a noticeable shift from diagnosing VOGM based on the foundational work by Dr. Lasjaunias to understanding how we can model clinical outcomes now that endovascular treatment has become the standard of care. Significant shifts in prognosis are pending, and the current bibliometric data implicate we are on the precipice of more recent works making an impact in the near future.
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Affiliation(s)
- Victor M Lu
- Department of Neurological Surgery, University of Miami School of Medicine, 1095 NW 14th Terrace, Miami, FL, 33136, USA.
| | - Evan M Luther
- Department of Neurological Surgery, University of Miami School of Medicine, 1095 NW 14th Terrace, Miami, FL, 33136, USA
| | - Michael A Silva
- Department of Neurological Surgery, University of Miami School of Medicine, 1095 NW 14th Terrace, Miami, FL, 33136, USA
| | - Shivani D Rangwala
- Department of Neurosurgery, University of Southern California, Los Angeles, CA, USA
| | - Robert M Starke
- Department of Neurological Surgery, University of Miami School of Medicine, 1095 NW 14th Terrace, Miami, FL, 33136, USA
| | - Edward R Smith
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
| | - Alfred P See
- Department of Neurosurgery, Boston Children's Hospital, Harvard Medical School, Boston, MA, USA
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17
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Udine M, Croci D, Wasserman J, A Noureldine MH, Monsour M, Vakharia K, Agazzi S. Vein of Galen Malformations in Adults. Clin Neurol Neurosurg 2023; 228:107671. [PMID: 36996672 DOI: 10.1016/j.clineuro.2023.107671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 02/21/2023] [Accepted: 03/11/2023] [Indexed: 03/18/2023]
Abstract
OBJECTIVE Vein of Galen Malformations (VoGM) are rare vascular malformations, typically seen in pediatric age groups. Even more rarely, VoGM's may be seen later in adulthood. In this case report and systematic review, we provide a thorough description of the current literature as well as provide a case example exploring the diagnosis, imaging, treatment, and management of VoGM in adults. METHODS In accordance with PRISMA guidelines, we performed a systematic literature search for all relevant cases and case series of VoGM in adult patients. The reference list of all articles were reviewed for additional relevant cases. Articles were included if they described a VoGM of a patient over the age of 18 years old and published in English. 149 articles were originally identified and 26 described cases met our inclusion criteria. RESULTS In our literature review we found 26 patients that met our inclusion criteria. We found 14 male patients and 12 female patients. The mean age at presentation was 37.2 years (median=34 years, SD= 13.6 years). The most common presenting symptoms of patient were headache (n = 9), seizure (n = 6), and vomiting (n = 4). Of the 12 cases which clearly reported the subtype of VoGM, the choroidal type was more frequently seen (n = 10) compared to the mural type (n = 2). In 3 patients, the VoGM was thrombosed at time of diagnosis. Of the 26 patients, endovascular treatment was performed most frequently (n = 8) but some received microsurgical treatment (n = 4) or were treated conservatively (n = 6). Other treatment modalities included (ventriculoperitoneal shunt, ventriculostomy) (n = 5). In 3 cases treatment was not specified. In comparison to VoGM seen in pediatric or neonatal populations, VoGM in adults generally resulted in more favorable outcomes with only 2 patients reported to have passed away following treatment. CONCLUSION VoGM remains a rare finding amongst the adult population. Hence, we described the clinical presentation, treatment modalities, and outcomes of the cases described in the English literature. Perhaps due to the rate of thrombosis and the unique angioarchitecture seen in adult VoGM patients, outcomes were generally more favorable than those described in the literature in pediatric or neonate VoGM patients.
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Affiliation(s)
- Matthew Udine
- Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Davide Croci
- Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Jacob Wasserman
- Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | | | - Molly Monsour
- Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Kunal Vakharia
- Department of Neurosurgery and Brain Repair, University of South Florida, Tampa, FL, USA
| | - Siviero Agazzi
- Department of Neurosurgery and Brain Repair, University of South Florida, Tampa, FL, USA.
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18
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Baranoski JF, Catapano JS, Albuquerque FC, Abruzzo TA. Rapid ventricular overdrive pacing and other advanced flow-control techniques for the endovascular embolization of vein of galen malformations. Front Pediatr 2023; 11:1082318. [PMID: 37056948 PMCID: PMC10089121 DOI: 10.3389/fped.2023.1082318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 02/03/2023] [Indexed: 04/15/2023] Open
Abstract
Endovascular embolization is the primary strategy in the management for vein of Galen malformations (VOGM). However, despite significant advances in endovascular embolization technologies and techniques, VOGMs remain very technically challenging lesions largely due to the high-flow arteriovenous shunts present in these malformations. A variety of advanced flow-control techniques can be implemented to mitigate the risk of venous escape and increase the safety and efficacy of endovascular treatment. These techniques include regionally targeted strategies (transvenous embolization and balloon-assisted transarterial embolization) and global flow-control methods (pharmacologic cardiac arrest and rapid ventricular overdrive pacing). Each of these strategies are associated with unique advantages and disadvantages, highlighting the importance of a patient-specific approach when treating these challenging lesions.
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Affiliation(s)
- Jacob F. Baranoski
- Department of Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, United States
| | - Joshua S. Catapano
- Department of Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, United States
| | - Felipe C. Albuquerque
- Department of Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, United States
| | - Todd A. Abruzzo
- Department of Neurological Surgery, Barrow Neurological Institute, Phoenix, AZ, United States
- Department of Neuroradiology, Phoenix Children’s Hospital, Phoenix, AZ, United States
- Correspondence: Todd A. Abruzzo
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19
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Campi F, De Rose DU, Pugnaloni F, Ronci S, Calì M, Pro S, Longo D, Lucignani G, Raho L, Pisaneschi E, Digilio MC, Savarese I, Bersani I, Amante PG, Conti M, De Liso P, Capolupo I, Braguglia A, Gandolfo C, Dotta A. Neurodevelopmental and genetic findings in neonates with intracranial arteriovenous shunts: A case series. Front Pediatr 2023; 11:1111527. [PMID: 37063679 PMCID: PMC10090511 DOI: 10.3389/fped.2023.1111527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Accepted: 03/15/2023] [Indexed: 04/18/2023] Open
Abstract
Background Despite the latest advances in prenatal diagnosis and postnatal embolization procedures, intracranial arteriovenous shunts (AVSs) are still associated with high mortality and morbidity rates. Our aim was to evaluate the presentation and clinical course, the neurodevelopmental outcome, and the genetic findings of neonates with AVSs. Methods In this retrospective observational study, medical records of neonates with cerebral AVSs admitted to our hospital from January 2020 to July 2022 were revised. In particular, we evaluated neuroimaging characteristics, endovascular treatment, neurophysiological features, neurodevelopmental outcomes, and genetic findings. Results We described the characteristics of 11 patients with AVSs. Ten infants (90.9%) required embolization during the first three months of life. In 5/9 infants, pathological electroencephalography findings were observed; of them, two patients presented seizures. Eight patients performed Median Nerve Somatosensory Evoked Potentials (MN-SEPs): of them, six had an impaired response. We found normal responses at Visual Evoked Potentials and Brainstem Auditory Evoked Potentials. Eight patients survived (72.7%) and were enrolled in our multidisciplinary follow-up program. Of them, 7/8 completed the Bayley-III Scales at 6 months of corrected age: none of them had cognitive and language delays; conversely, a patient had a moderate delay on the Motor scale. The remaining survivor patient developed cerebral palsy and could not undergo Bayley-III evaluation because of the severe psychomotor delay. From the genetic point of view, we found a novel pathogenic variant in the NOTCH3 gene and three additional genomic defects of uncertain pathogenicity. Conclusion We propose SEPs as an ancillary test to discern the most vulnerable infants at the bedside, particularly to identify possible future motor impairment in follow-up. The early identification of a cognitive or motor delay is critical to intervene with personalized rehabilitation treatment and minimize future impairment promptly. Furthermore, the correct interpretation of identified genetic variants could provide useful information, but further studies are needed to investigate the role of these variants in the pathogenesis of AVSs.
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Affiliation(s)
- Francesca Campi
- Neonatal Intensive Care Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
- Correspondence: Francesca Campi
| | | | - Flaminia Pugnaloni
- Neonatal Intensive Care Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Sara Ronci
- Neonatal Intensive Care Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Monica Calì
- Neonatal Intensive Care Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Stefano Pro
- Development Neurology Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Daniela Longo
- Neuroradiology Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Giulia Lucignani
- Neuroradiology Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Laura Raho
- Clinical Psychology Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Elisa Pisaneschi
- Translational Cytogenomics Research Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Maria Cristina Digilio
- Genetics and Rare Diseases Research Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Immacolata Savarese
- Neonatal Intensive Care Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Iliana Bersani
- Neonatal Intensive Care Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | | | - Marta Conti
- Clinical and Experimental Neurology Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Paola De Liso
- Clinical and Experimental Neurology Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Irma Capolupo
- Neonatal Intensive Care Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Annabella Braguglia
- Neonatal Sub-Intensive Care Unit and Follow-up, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Carlo Gandolfo
- Neuroradiology Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
| | - Andrea Dotta
- Neonatal Intensive Care Unit, “Bambino Gesù” Children’s Hospital IRCCS, Rome, Italy
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20
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Matsoukas S, Shigematsu T, Bazil MJ, Fifi J, Berenstein A. Transvenous embolization of vein of galen aneurysmal malformations with coils as a final procedure for cure: A single-institution experience of 18 years. Interv Neuroradiol 2022:15910199221135066. [PMID: 36314435 DOI: 10.1177/15910199221135066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/16/2023] Open
Abstract
INTRODUCTION Staged, transarterial embolization (TAE) is currently considered the gold standard for the treatment of vein of Galen aneurysmal malformation (VGAM); however, as transarterial access becomes restricted, further staged TAE may become ineffective or carry an increased risk of hemorrhagic or ischemic stroke when attempting complete obliteration. OBJECTIVE To describe the first consecutive, retrospective series of VGAM treated with transvenous embolization (TVE) with coils alone, as the final treatment in staged endovascular therapy, at a single institution between January 2004 and September 2021. RESULTS A total of 10 patients with a median age of 5.5 (IQR: 9.25) years were treated with coiling TVE. Patients were treated with a median number of 5 (IQR: 2.75) TAEs prior to the final TVE treatment. Complete or near-complete immediate angiographic obliteration was achieved in eight patients. Immediate post-procedural (within 48 h) hemorrhagic complications were noted in two patients (20%), one of whom passed away while the second suffered from hemiparesis. Stereotactic radiosurgery was performed in two patients with incomplete obliteration after TVE. The median follow-up time after TVE was 17 (IQR: 9) months. At long-term follow up (17 months) for the remaining nine patients, all VGAMs were completely obliterated. Long-term clinical deterioration compared to pre-TVE was noticed in one case. CONCLUSION Transvenous coil embolization is a technically feasible but risky option, as a final-stage treatment for cure of VGAMs with restricted trans-arterial access. Although TVE with coils remains an effective therapeutic modality, we recommend continuing investigation of safer TVE techniques to achieve cure.
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Affiliation(s)
- Stavros Matsoukas
- Department of Neurosurgery, 5925Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Tomoyoshi Shigematsu
- Department of Neurosurgery, 5925Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Maximilian J Bazil
- Department of Neurosurgery, 5925Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Johanna Fifi
- Department of Neurosurgery, 5925Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Alejandro Berenstein
- Department of Neurosurgery, 5925Icahn School of Medicine at Mount Sinai, New York, New York, USA
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21
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Yarden JA, Hauck LI, Athavale KV, McCrary AW, Campbell MJ, Hauck EF. Tricuspid regurgitation and left ventricular eccentricity as a measure of heart failure in the newborn patient with a vein of Galen malformation: illustrative case. JOURNAL OF NEUROSURGERY. CASE LESSONS 2022; 4:CASE22323. [PMID: 36461836 PMCID: PMC9552681 DOI: 10.3171/case22323] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 08/31/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Successful management of a vein of Galen malformation (VoGM) in the newborn patient requires a highly coordinated team approach involving neonatologists, pediatric cardiologists, pediatric neurologists, neurosurgeons, and interventionalists. Indication and timing of catheter intervention are topics of ongoing debate. OBSERVATIONS The authors highlighted two key echocardiographic markers believed to be practical indicators regarding the need for urgent catheter embolization in neonates with a VoGM. The first and preferred parameter was the tricuspid valve regurgitation (TR) gradient, an estimate of pulmonary artery hypertension. If the TR gradient exceeds systolic blood pressure (suprasystemic pulmonary hypertension [PH], i.e., >60 mm Hg), urgent intervention should be considered in eligible newborns. The second parameter was the left ventricular end-systolic eccentricity index (EI), a newly emerging echocardiographic marker and indirect correlate of PH. As an alternative to the TR gradient, an increased eccentricity index (>1.6) suggests severe right heart compromise, requiring emergency catheter embolization of the malformation. Postoperatively, the progressive reduction of both the TR gradient and the EI correlated with recovery. LESSONS In eligible newborns, urgent embolization of a VoGM is recommended in the presence of suprasystemic TR gradients and/or increased EI >1.6.
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Affiliation(s)
| | | | | | | | - M. Jay Campbell
- Pediatric Cardiology, Duke University, Durham, North Carolina
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22
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Shigematsu T, Bazil MJ, Fifi JT, Berenstein A. Fine, Vascular Network Formation in Patients with Vein of Galen Aneurysmal Malformation. AJNR Am J Neuroradiol 2022; 43:1481-1487. [PMID: 36137661 PMCID: PMC9575532 DOI: 10.3174/ajnr.a7649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Accepted: 07/27/2022] [Indexed: 01/26/2023]
Abstract
BACKGROUND AND PURPOSE A vein of Galen aneurysmal malformation is known to present with recruitment of dural feeders and, in our cohort, a fine, vascular network formation. The vessels we have observed differ from dural vascular recruitment in that they produce a hairlike, collateral network of vessels. We reviewed treatment courses of vein of Galen aneurysmal malformation treatments in a series of 36 cases that displayed a fine, vascular network formation. MATERIALS AND METHODS We retrospectively analyzed 36 cases of vein of Galen aneurysmal malformation, including tectal/thalamic AVMs, treated at our center from January 2004 to September 2021, and reviewed fine, vascular network formations in the subarachnoid space and subependymal zone alongside the vein of Galen aneurysmal malformation. RESULTS Patients at first endovascular treatment ranged from neonates to 157 months (median age, 4.3 months). Patients with preinterventional fine, vascular network formations were significantly older at the initial angiogram than patients with postinterventional fine, vascular network formations (P < .05). On average, for 20 control choroidal/mural vein of Galen aneurysmal malformations whose treatment course had been completed and in which no plexiform network was visualized, a mean of 2.63 (SD, 1.64) treatments were required to achieve a radiographic cure. For the 36 choroidal/mural vein of Galen aneurysmal malformations whose treatment course had been completed and in which a fine, vascular network formation was visualized, a mean of 5.94 (SD, 2.73) treatments were required to achieve a radiographic cure (P < .01). CONCLUSIONS Development of a fine, vascular network formation is an acquired and reversible phenomenon that differs from typical dural vessel recruitment, given the hairlike nature of the network and its rapid onset postinterventionally. It typically resolves after completion of treatment, and this resolution correlates with closure of the vein. We recommend that neurointerventionalists avoid delays in treatment wherever possible to reduce the likelihood of a fine, vascular network formation.
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Affiliation(s)
- T Shigematsu
- From the Departments of Neurosurgery (T.S., M.J.B., J.T.F., A.B.)
| | - M J Bazil
- From the Departments of Neurosurgery (T.S., M.J.B., J.T.F., A.B.)
| | - J T Fifi
- From the Departments of Neurosurgery (T.S., M.J.B., J.T.F., A.B.)
- Neurology (J.T.F.), Icahn School of Medicine at Mount Sinai, New York, New York
| | - A Berenstein
- From the Departments of Neurosurgery (T.S., M.J.B., J.T.F., A.B.)
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23
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Savage C, Hale AT, Parr MS, Hedaya A, Saccomano BW, Tsemo GB, Hafeez MU, Tanweer O, Kan P, Solomon LJ, Meila D, Dirks PB, Blount JP, Johnston JM, Rocque BG, Rozzelle CJ, Bhatia K, Muthusami P, Krings T, Jones J. Outcomes of endovascular embolization for Vein of Galen malformations: An individual participant data meta-analysis. Front Pediatr 2022; 10:976060. [PMID: 36245731 PMCID: PMC9561813 DOI: 10.3389/fped.2022.976060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 09/15/2022] [Indexed: 11/17/2022] Open
Abstract
Introduction Understanding outcomes after Vein of Galen malformation (VOGM) embolization has been limited by small sample size in reported series and predominantly single center studies. To address these limitations, we perform an individual-participant meta-analysis (IPMA) to identify risk factors associated with all-cause mortality and clinical outcome after VOGM endovascular embolization. Methods We performed a systematic review and IPMA of VOGM endovascular outcomes according to PRISMA guidelines. Individual patient characteristics including demographic, intra/post-operative adverse events, treatment efficacy (partial or complete occlusion), and clinical outcome were collected. Mixed-effects logistic regression with random effects modeling and Bonferroni correction was used (p ≤ 0.003 threshold for statistical significance). The primary and secondary outcomes were all-cause mortality and poor clinical outcome (moderate/severe developmental delay or permanent disabling injury), respectively. Data are expressed as (mean ± standard deviation (SD)) or (odds ratio (OR), 95% confidence interval (CI), I 2, p-value). Results Thirty-five studies totaling 307 participants quantifying outcomes after endovascular embolization for VOGM were included. Follow up time was 42 (±57) months. Our analysis contained 42% neonates (<1 month) at first embolization, 45% infants (1 month ≤2 years), and 13% children (>2 years). Complete occlusion was reported in 48% of participants. Overall all-cause mortality was 16%. Overall, good clinical outcome was achieved in 68% of participants. First embolization as a neonate [OR = 6.93; 95% CI (1.99-24.08); I 2 < 0.01; p < 0.001] and incomplete embolization [OR = 10.87; 95% CI (1.86-63.55); I 2 < 0.01; p < 0.001] were associated with mortality. First embolization as a neonate [OR = 3.24; 95% CI (1.47-7.15); I 2 < 0.01; p < 0.001], incomplete embolization [OR = 5.26; 95% CI (2.06-13.43); I 2 < 0.01; p < 0.001], and heart failure at presentation [OR = 3.10; 95% CI (1.03-9.33); I 2 < 0.01; p = 0.002] were associated with poor clinical outcomes. Sex, angioarchitecture of lesion, embolization approach (transvenous vs. transarterial), and single or multistage embolization were not associated with mortality or clinical outcome. Conclusions We identify incomplete VOGM embolization independently associated with mortality and poor clinical outcome. While this study provides the highest level of evidence for VOGM embolization to date, prospective multicenter studies are needed to understand the optimal treatment strategies, outcomes, and natural history after VOGM embolization.
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Affiliation(s)
- Cody Savage
- Heersink School of Medicine, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Andrew T. Hale
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Matthew S. Parr
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Alexander Hedaya
- Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Benjamin W. Saccomano
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Georges Bouobda Tsemo
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Muhammad U. Hafeez
- Department of Neurology, Baylor College of Medicine, Houston, TX, United States
| | - Omar Tanweer
- Department of Neurosurgery, Baylor College of Medicine, Houston TX, United States
| | - Peter Kan
- Department of Neurosurgery, University of Texas Medical Branch at Galveston, Galveston, TX, United States
| | - Laurent J. Solomon
- Department of Obstetrics and Fetal Medicine, Paris Descartes University, Assistance Publique-Hôpitaux de Paris, Hôpital Necker Enfants, Paris, France
| | - Dan Meila
- Department of Interventional Radiology, Helois Klinikum Krefeld, Johanna-Etienne Hospital Neuss, Neuss, Germany
| | - Peter B. Dirks
- Division of Pediatric Neurosurgery, The Hospital for Sick Children, Toronto, ON, Canada
| | - Jeffrey P. Blount
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - James M. Johnston
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Brandon G. Rocque
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Curtis J. Rozzelle
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
| | - Kartik Bhatia
- Department of Medical Imaging, Sydney Children’s Hospital Network, Westmead, NSW, Australia
| | - Prakash Muthusami
- Division of Interventional Radiology, University of Toronto and the Hospital for Sick Children, Toronto, ON, Canada
| | - Timo Krings
- Division of Interventional Radiology, University of Toronto and the Hospital for Sick Children, Toronto, ON, Canada
| | - Jesse Jones
- Department of Neurosurgery, University of Alabama at Birmingham, Birmingham, AL, United States
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24
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Cornet MC, Li Y, Simmons RL, Baker A, Fullerton HJ, Hetts SW, Glass HC. Outcome of Neonates Presenting With Severe Cardiac Failure due to Cerebral Arteriovenous Fistula. Pediatr Neurol 2022; 131:25-29. [PMID: 35462109 DOI: 10.1016/j.pediatrneurol.2022.04.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 03/25/2022] [Accepted: 04/06/2022] [Indexed: 10/18/2022]
Abstract
BACKGROUND Congenital cerebral arteriovenous fistulas (AVFs), including vein of Galen malformations, presenting in infancy carry variable mortality and morbidity. This study aimed to describe the outcome of neonates with cerebral AVFs who present with refractory cardiac failure. METHODS Retrospective chart review of neonates with refractory cardiac failure due to cerebral AVFs presenting before 28 days of age in a single-center neuro-intensive care nursery over a 12-year period (2008-2020) was conducted. RESULTS Seventeen neonates were included. Twelve had a vein of Galen malformation, four a non-galenic pial AVF, and one a dural AVF. Seven neonates (41%) died without receiving an embolization procedure. The remaining ten were critically ill. Seven (70%) were mechanically ventilated and on nitric oxide, 5 (50%) were on pressors, and 6 (60%) had renal and/or hepatic dysfunction. Seven (70%) had pre-existing brain injury on imaging. The first embolization procedure occurred at a median age of 4 days (range: 0-8 d). Complications included intracranial hemorrhage in 8 of 10 (80%) and seizures in 5 of 8 (62%). Five (50%) neonates who underwent embolization died. Among the 5 neonates who survived, all have motor impairment. Four (80%) developed hydrocephalus requiring a ventriculoperitoneal shunt, and 2 (40%) developed epilepsy and are nonverbal. CONCLUSION In this cohort of critically ill neonates with cerebral AVF, all seven who did not receive embolization and half of ten who were treated died. The five survivors all have neurodevelopmental impairment. This information may be helpful to parents and providers who make decisions regarding life-sustaining treatments for neonates with cerebral AVFs and refractory cardiac failure.
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Affiliation(s)
- Marie-Coralie Cornet
- Department of Pediatrics and Benioff Children's Hospital, University of California San Francisco, San Francisco, California
| | - Yi Li
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Roxanne L Simmons
- Department of Pediatrics and Benioff Children's Hospital, University of California San Francisco, San Francisco, California; Department of Neurology and Weill Institute for Neurosciences, University of California San Francisco, San Francisco, California
| | - Amanda Baker
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Heather J Fullerton
- Department of Pediatrics and Benioff Children's Hospital, University of California San Francisco, San Francisco, California; Department of Neurology and Weill Institute for Neurosciences, University of California San Francisco, San Francisco, California
| | - Steven W Hetts
- Department of Radiology and Biomedical Imaging, University of California San Francisco, San Francisco, California
| | - Hannah C Glass
- Department of Pediatrics and Benioff Children's Hospital, University of California San Francisco, San Francisco, California; Department of Neurology and Weill Institute for Neurosciences, University of California San Francisco, San Francisco, California.
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25
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Reddy R, Lucke-Wold B. Primer of vein of galen malformation management. JOURNAL OF PEDIATRIC HEALTH CARE AND MEDICINE 2022; 5:30-34. [PMID: 35727720 PMCID: PMC9202819] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Vein of Galen Malformations offer a unique clinical challenge that can present as heart failure and hydrocephalus. The mainstay of treatment is embolization and management of systemic issues. Recently, radiation treatment has also offered some benefit. Herein we review the literature and present common findings, pathophysiology, and management strategies. This user-friendly guide can help clinicians and researchers tackle this important topic.
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Affiliation(s)
- Ramya Reddy
- Department of Neurosurgery, University of Florida, Gainesville, Florida
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26
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Stracke CP, Meyer L, Schwindt W, Ranft A, Straeter R. Case Report: Successful Mechanical Thrombectomy in a Newborn With Basilar Artery Occlusion. Front Neurol 2022; 12:790486. [PMID: 35273551 PMCID: PMC8901581 DOI: 10.3389/fneur.2021.790486] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Accepted: 12/23/2021] [Indexed: 11/29/2022] Open
Abstract
Background Neonatal stroke remains a rare condition that has not yet been assessed in the field of endovascular treatment. Case We present the first case report of a successful mechanical thrombectomy in a newborn with a basilar occlusion the treatment was 14 hours after birth. Complete reperfusion of the basilar artery was achieved after the two thrombectomy maneuvers with stent retrievers. Imaging follow-up proved patency of the target vessel and at day 30, the patient showed no neurologic deficits. Conclusions Mechanical thrombectomy appears to be technically feasible and can be an individual option in selected cases to treat stroke in neonates with proven persistent proximal cerebral artery occlusion.
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Affiliation(s)
- Christian Paul Stracke
- Section of Interventional Neuroradiology, University Hospital Muenster, Muenster, Germany.,Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Lukas Meyer
- Department of Diagnostic and Interventional Neuroradiology, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Wolfram Schwindt
- Section of Interventional Neuroradiology, University Hospital Muenster, Muenster, Germany
| | - Alexander Ranft
- Department of Interventional Radiology and Neuroradiology, Klinikum Hochsauerland, Arnsberg, Germany
| | - Ronald Straeter
- Department of Pediatrics, University Hospital Muenster, Muenster, Germany
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27
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Choque-Velasquez J, Colasanti R, Muhammad S, Chioffi F, Hernesniemi J. Vascular Lesions of the Pineal Region: A Comprehensive Review of the Therapeutic Options. World Neurosurg 2022; 159:298-313. [PMID: 35255631 DOI: 10.1016/j.wneu.2021.09.061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/12/2021] [Accepted: 09/13/2021] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Vascular lesions of the pineal region comprise aneurysms of the pineal region, arteriovenous malformations, cavernous malformations, and vein of Galen malformations. In the present report, we have offered an extensive review of each vascular pineal region lesion. METHODS We performed an extensive literature review, focusing on the current therapeutic options available for the different vascular lesions of the pineal region. RESULTS Vascular lesions of the pineal region are rare. Microneurosurgery remains a valid treatment of cavernomas, arteriovenous malformations, and aneurysms. Endovascular treatments seem to be the first option for the vein of Galen malformations, followed by microneurosurgery. Radiosurgery seems beneficial for small-size arteriovenous malformations. Complex and large vascular lesions will require a combination of multiple treatments. CONCLUSIONS Vascular lesions of the pineal region are complex, uncommon diseases. Thus, definitive therapeutic modalities for these lesions require further research.
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Affiliation(s)
- Joham Choque-Velasquez
- Department of Neurosurgery, University of Helsinki and Helsinki University Hospital, Helsinki, Finland; Department of Neurosurgery, University Hospital Düsseldorf, Düsseldorf, Germany.
| | - Roberto Colasanti
- Department of Neurosurgery, Umberto I General Hospital, Università Politecnica delle Marche, Ancona, Italy; Department of Neurosurgery, Padua University Hospital, Padua, Italy
| | - Sajjad Muhammad
- Department of Neurosurgery, University Hospital Düsseldorf, Düsseldorf, Germany
| | - Franco Chioffi
- Department of Neurosurgery, Padua University Hospital, Padua, Italy
| | - Juha Hernesniemi
- Juha Hernesniemi International Center for Neurosurgery, Henan Provincial People's Hospital, Zhengzhou, China
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28
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Ramdani H, Sahri IE, Elharras Y, Haddad SE, Allali N, Chat L. Vein of Galen aneurysmal malformation presenting as severe heart failure in a neonate. Radiol Case Rep 2021; 16:3961-3964. [PMID: 34745403 PMCID: PMC8551785 DOI: 10.1016/j.radcr.2021.09.054] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 09/20/2021] [Indexed: 11/21/2022] Open
Abstract
The vein of Galen aneurysmal malformation (VGAM) is a rare cerebral arteriovenous malformation that can be life-threatening if not diagnosed and treated early. VGAM usually presents in the neonatal period with high-output cardiac failure. We report the case of a full-term male neonate who presented with respiratory distress, and a fontanel bruit soon after birth. A chest radiograph revealed marked cardiomegaly. Transthoracic echocardiography showed dilatation of all four cardiac chambers and a patent ductus arteriosus. Transfontanellar doppler ultrasound and brain computed tomography confirmed the diagnosis of a VGAM. Clinical worsening took place despite aggressive hemodynamic and ventilatory support. The patient's Bicêtre Neonatal Evaluation Score for embolization was 2. Endovascular treatment could not be performed. The patient regretfully passed away. VGAM should be considered in the differential diagnosis of neonatal congestive heart failure with a structurally normal heart. Early diagnosis and treatment improve prognosis considerably.
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Affiliation(s)
- Hanae Ramdani
- Radiology department, Childrens’ hospital - Ibn Sina university hospital-Rabat, Lamfadel Cherkaoui street-10010 Rabat, MOROCCO
- Corresponding author.
| | - Imad-eddine Sahri
- Neurosurgery department - Mohammed Vth military hospital-Rabat, Ryad street-10010 Rabat, MOROCCO
| | - Yahya Elharras
- Radiology department, Childrens’ hospital - Ibn Sina university hospital-Rabat, Lamfadel Cherkaoui street-10010 Rabat, MOROCCO
| | - Siham El Haddad
- Radiology department, Childrens’ hospital - Ibn Sina university hospital-Rabat, Lamfadel Cherkaoui street-10010 Rabat, MOROCCO
| | - Nazik Allali
- Radiology department, Childrens’ hospital - Ibn Sina university hospital-Rabat, Lamfadel Cherkaoui street-10010 Rabat, MOROCCO
| | - Latifa Chat
- Radiology department, Childrens’ hospital - Ibn Sina university hospital-Rabat, Lamfadel Cherkaoui street-10010 Rabat, MOROCCO
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Pulido LF, Murcia Salazar D, Gómez Amarillo D, Useche JN, Ghotme KA. Spontaneous thrombosis of a vein of Galen malformation associated with acute sinusitis: a case report. Childs Nerv Syst 2021; 37:3271-3276. [PMID: 33595709 DOI: 10.1007/s00381-021-05072-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Accepted: 02/04/2021] [Indexed: 11/25/2022]
Abstract
The vein of Galen malformation is caused by an abnormal shunting between choroidal arteries and the median prosencephalic vein during embryological development, leading to increased blood flow to the deep cerebral veins, intracranial damage, and systemic repercussions. Idiopathic spontaneous thrombosis of a vein of Galen malformation is rare, and its association with acute sinusitis has not been reported in the literature. We present the case of a girl with a postnatal diagnosis of a vein of Galen malformation at the age of 16 months, with secondary pulmonary hypertension that was adequately controlled with spironolactone. At 3 years old, while expecting elective endovascular treatment, the patient developed spontaneous thrombosis of the vein of Galen malformation, concomitant to an acute sinusitis episode, with complete resolution of the vascular malformation and secondary pulmonary hypertension. The patient continued with normal neurological development over a 5-year follow-up. We discuss the main pathophysiologic mechanisms that can explain spontaneous thrombosis of VOGMs and the patient's outcome. Awareness of different mechanisms that can lead to spontaneous thrombosis can help in the decision-making process and prompt targeted approaches to individual patients with a vein of Galen malformation.
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Affiliation(s)
- Luis Fernando Pulido
- Faculty of Medicine, Universidad de los Andes, Cra 1 N° 18A - 12, Bogotá, Colombia
| | - Diana Murcia Salazar
- Department of Radiology, Lahey Hospital and Medical Center, 41 Mall Road, Burlington, MA, USA
| | - Diego Gómez Amarillo
- Department of Neurosurgery, Fundación Santafé de Bogotá, Carrera 7 No. 117 - 15, Bogotá, Colombia
| | - Juan Nicolás Useche
- Radiology and Diagnostic Imaging Department, Fundación Santa Fe de Bogotá, Carrera 7 No. 117 - 15, Bogotá, Colombia
| | - Kemel A Ghotme
- Department of Neurosurgery, Fundación Santafé de Bogotá, Carrera 7 No. 117 - 15, Bogotá, Colombia.
- Translational Neuroscience Research Lab, Universidad de La Sabana, Autopista Norte, KM 7, Chía, Colombia, 250001.
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White TG, Dehdashti AR, Woo HH. Scepter mini assisted angiographic cure of a Vein of Galen Malformation with n-butyl cyanoacrylate. Interv Neuroradiol 2021; 27:663-666. [PMID: 33611967 PMCID: PMC8493341 DOI: 10.1177/1591019921993368] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 12/24/2020] [Accepted: 01/16/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Even in the modern endovascular era, the treatment of Vein of Galen Malformations (VOGM) is extremely challenging. While their natural history is very poor, endovascular embolization has emerged as the standard of care. These lesions often require multiple treatment sessions to decrease shunting, with each treatment including multiple pedicles. Here we present the first reported use of the Scepter Mini (Microvention, Aliso Viejo, CA) in the treatment of vein of Galen malformations. CLINICAL PRESENTATION A 7 month old female presented with an enlarging VOGM that was initially identified on prenatal ultrasound. Given the enlarging size of the lesion and failure to meet developmental milestones, the patient underwent planned endovascular embolization of the VOGM. The novel Scepter Mini balloon catheter was used for treatment of this lesion affording easy access to the target pedicle and immediate flow arrest which allowed for immediate cure of the lesion. CONCLUSION The novel Scepter Mini Balloon (Microvention, Aliso Viejo, CA) afforded excellent distal access with subsequent immediate flow arrest therefore facilitating endovascular cure. Initially, a staged approach was favored for the treatment of the lesion, but the flow arrest achieved by the Scepter mini facilitated immediate occlusion from a single pedicle.
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Affiliation(s)
- Timothy G White
- Department of Neurosurgery, North Shore University Hospital, Manhasset, NY, USA
| | - Amir R Dehdashti
- Department of Neurosurgery, North Shore University Hospital, Manhasset, NY, USA
| | - Henry H Woo
- Department of Neurosurgery, North Shore University Hospital, Manhasset, NY, USA
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31
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Primikiris P, Hadjigeorgiou G, Tsamopoulou M, Biondi A, Iosif C. Review on the current treatment status of vein of Galen malformations and future directions in research and treatment. Expert Rev Med Devices 2021; 18:933-954. [PMID: 34424109 DOI: 10.1080/17434440.2021.1970527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
INTRODUCTION Vein of Galen malformations (VOGMs) represent a rare pathologic entity with often catastrophic natural history. The advances in endovascular treatment in recent years have allowed for a paradigm shift in the treatment and outcome of these high-flow shunts, even though their pathogenetic mechanisms and evolution remain in part obscure. AREAS COVERED The overall management of VOGMs requires a tailored case-to-case approach, starting with in utero detection and reserving endovascular treatment for indicated cases. Lately, the advances in translational research with whole-genome sequencing and the coupling with cellular-level hemodynamics attempt to shed more light in the pathogenesis and evolution of these lesions. At the same time the advances in endovascular techniques allow for more safety and tailored technical strategy planning. Furthermore, the advances in MRI techniques allow a better understanding of their vascular anatomy. In view of these recent advances and by performing a PUBMED literature review of the last 15 years, we attempt a review of the evolutions in the imaging, management, endovascular treatment and understanding of underlying mechanisms for VOGMs. EXPERT OPINION The progress in the fields detailed in this review appears very promising in better understanding VOGMs and expanding the available therapeutic arsenal.
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Affiliation(s)
- Panagiotis Primikiris
- Department of Interventional Neuroradiology, Jean Minjoz University Hospital, Besancon, France
| | | | - Maria Tsamopoulou
- School of Medicine, National Kapodistrian University of Athens, Greece
| | - Alessandra Biondi
- Department of Interventional Neuroradiology, Jean Minjoz University Hospital, Besancon, France
| | - Christina Iosif
- School of Medicine, European University of Cyprus, Nicosia, Cyprus.,Department of Interventional Neuroradiology, Henry Dunant Hospital, Athens, Greece
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Brevis Nuñez F, Dohna-Schwake C. Epidemiology, Diagnostics, and Management of Vein of Galen Malformation. Pediatr Neurol 2021; 119:50-55. [PMID: 33895584 DOI: 10.1016/j.pediatrneurol.2021.02.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 02/16/2021] [Accepted: 02/22/2021] [Indexed: 10/22/2022]
Abstract
BACKGROUND Vein of Galen malformation (VGM) is a rare congenital intracerebral vascular malformation. The aim of this study was to gain reliable data about epidemiology; clinical manifestations; and pre-, peri- and postinterventional treatment strategies in Germany. METHODS This prospective epidemiologic study was conducted by Erhebungseinheit für Seltene Pädiatrische Erkrankungen in Deutschland, a hospital-based German nationwide surveillance unit for rare pediatric diseases. Patients aged upto 18 years with a new diagnosis of VGM were prospectively included between January 1, 2014 and December 31, 2015. RESULTS In the two-year study period, 30 individuals with newly diagnosed VGM were identified, resulting in an estimated annual incidence rate of VGM in Germany of at least 1: 58,100 live births. The main symptoms were age dependent. Neonates presented with mainly cardiac manifestations of high output failure; infants and older children mainly suffered from neurological complications. Of the patients with endovascular treatment 95% survived, but only 41% of these patients were discharged home without any complications. The Bicêtre Neonatal Evaluation Score was a good predictor for poor outcome but could have led to palliative care in some patients with good outcome. CONCLUSIONS The incidence of VGM in Germany is estimated to be 1:58,100 live births. The majority of patients were eligible for endovascular treatment. Nevertheless, due to side effects and long-term sequelae in the majority of patients, further improvement in care of children with VGM is needed.
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Affiliation(s)
- Francisco Brevis Nuñez
- Department of Neonatology & Pediatric Intensive Care, Sana-Kliniken Duisburg GmbH, Duisburg, Germany.
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Mishra A, Kumar A, Mathur A, Kumar V, Sreen A. Coil assisted glue embolization to improve safety and accuracy in endovascular management of Vein of Galen patients. Clin Neurol Neurosurg 2021; 205:106652. [PMID: 33957409 DOI: 10.1016/j.clineuro.2021.106652] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Revised: 02/28/2021] [Accepted: 04/10/2021] [Indexed: 10/21/2022]
Abstract
BACKGROUND Vein of Galen malformation (VOGM) patients present in neonatal age with cardiac failure or significant neurologic consequences. The most established method of treatment has been transarterial embolization with high concentration glue (N-Butyl Cyano Acrylate) which may be difficult to control due to very high flow rates and may migrate to the venous side with undesirable consequences. We describe our experience in four patients in whom initial coil placement in prominent feeding arteries helped inflow reduction thereby facilitating controlled glue injection with a good result and no incidence of non-target embolization. MATERIALS AND METHODS Four neonates who had presented during the last three years with cardiac failure were included in the study. Prominent feeders identified on imaging or DSA were treated with transarterial helical coil placement in the terminal segment just before the VOGM sac followed by controlled glue injection. The outcome was assessed by detailed clinical and imaging follow-up. RESULTS A total of 10 most prominent feeders were embolized in four patients. Complete embolization of the VOGM was achieved in two patients in a single session. One patient with residual small feeders showed subsequent thrombosis of these feeders, possibly secondary to flow reduction in the sac. One patient still shows thin residual feeders but good clinical improvement and is being planned for follow-up and a second session at one year of age. No complications were observed. All patients showed immediate improvement in cardiac failure and good neurological development on follow-up. On imaging, the VOGM sac regressed completely (3 patients) or significantly in size (1 patient). CONCLUSION Planned coil placement in the terminal part of prominent feeding arteries reduced the flow and provided lattice on which glue deposits in a controlled manner without any incidence of non-target embolization in our study. This relatively less described technique increases the safety and accuracy of the endovascular treatment in VOGM patients.
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Affiliation(s)
- Atul Mishra
- Army Hospital (Referral & Research), Delhi Cantt, New Delhi 110010, India
| | - Ashutosh Kumar
- Army Hospital (Referral & Research), Delhi Cantt, New Delhi 110010, India
| | - Ankit Mathur
- Army Hospital (Referral & Research), Delhi Cantt, New Delhi 110010, India
| | - Vivek Kumar
- Army Hospital (Referral & Research), Delhi Cantt, New Delhi 110010, India
| | - Amit Sreen
- Army Hospital (Referral & Research), Delhi Cantt, New Delhi 110010, India.
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Bhatia K, Mendes Pereira V, Krings T, Ter Brugge K, Kortman H, Dirks P, Armstrong D, Shroff M, Muthusami P. Factors Contributing to Major Neurological Complications From Vein of Galen Malformation Embolization. JAMA Neurol 2021; 77:992-999. [PMID: 32338714 DOI: 10.1001/jamaneurol.2020.0825] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Importance Major neurological complications from the embolization of vein of Galen malformations (VOGMs) are poorly understood. We provide a detailed analysis of contributors to periprocedural neurological complications and lessons learned. Objective To assess the rate of major periprocedural neurological complications following VOGM embolization with major procedural and strategic contributors. Design, Setting, and Participants This retrospective cohort study was conducted at a quarternary referral pediatric hospital (Hospital for Sick Children; Toronto, Ontario, Canada) from January 1999 to December 2018 with a mean clinical follow-up of 44.7 months; all children with VOGM diagnosed and/or treated were eligible (n = 48). Thirty-three patients who underwent endovascular treatment were included. Interventions Endovascular staged transarterial embolization performed in 33 patients over 91 sessions. Main Outcomes and Measures The primary outcome was the rate of periprocedural neurological complications (occurring within 1 week of embolization). The secondary outcomes were mortality, long-term neurological outcomes, and contributing anatomical and management factors to neurological complications. Results Of 33 patients who underwent embolization (31 boys [64.6%]; 17 girls [35.4%]; median age at first embolization, 4 months [range, 0-29 months]), 10 patients (30.3%) developed major periprocedural neurological complications. Five of these patients died. Univariate logistic regression analyses identified internal cerebral vein drainage to the main venous sac of the VOGM and use of a microcatheter with a distal outer diameter of more than 2.0F as significant predictors of poor neurological outcomes. Lessons learned from our experience include the need to assess the internal cerebral vein drainage pattern on preprocedural magnetic resonance venography, avoidance of excessive embolization into the venous sac, treatment of more distal fistulae before proximal fistulae to avoid a sump effect, and preferably use of smaller (<2.0F outer diameter) microcatheters in neonatal embolization procedures. Conclusions and Relevance In this cohort, 10 patients with VOGM treated with embolization (30.3%) experienced major periprocedural neurological complications, half of whom died. While these outcomes are superior to historic conservative and surgical treatment results, ongoing improvements in treatment and pretreatment diagnostic approaches are needed. Awareness of the lessons learned from our experience can help to avoid similar complications in the future for this vulnerable population.
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Affiliation(s)
- Kartik Bhatia
- Department of Medical Imaging, Sydney Children's Hospital Network, Westmead, Australia.,Division of Neuroradiology, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Vitor Mendes Pereira
- Division of Neuroradiology, Toronto Western Hospital, Toronto, Ontario, Canada.,Division of Neurosurgery, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Timo Krings
- Division of Neuroradiology, Toronto Western Hospital, Toronto, Ontario, Canada.,Division of Neurosurgery, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Karel Ter Brugge
- Division of Neuroradiology, Toronto Western Hospital, Toronto, Ontario, Canada.,Division of Neurosurgery, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Hans Kortman
- Division of Neuroradiology, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Peter Dirks
- Division of Neurosurgery, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Derek Armstrong
- Image-Guided Therapy, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Manohar Shroff
- Image-Guided Therapy, Hospital for Sick Children, Toronto, Ontario, Canada
| | - Prakash Muthusami
- Image-Guided Therapy, Hospital for Sick Children, Toronto, Ontario, Canada
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Wagner KM, Ghali MGZ, Srinivasan VM, Lam S, Johnson J, Chen S, Kan P. Vein of Galen Malformations: The Texas Children's Hospital Experience in the Modern Endovascular Era. Oper Neurosurg (Hagerstown) 2020; 17:286-292. [PMID: 31111161 DOI: 10.1093/ons/opy369] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Accepted: 11/06/2018] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Vein of Galen malformations (VOGM) comprise nearly a third of pediatric cerebrovascular anomalies, with potentially devastating neurological and systemic complications. Advances in endovascular therapies have dramatically improved outcomes compared to historical surgical treatments, and neurosurgeons are an essential component of the multidisciplinary critical care team. OBJECTIVE To retrospectively review pediatric patients with VOGM treated at Texas Children's Hospital (TCH), a quaternary referral center, over 15 yr, and present lessons learned in treating children with modern endovascular techniques. METHODS Charts from TCH were retrospectively reviewed for the past 15 yr. Patients with diagnosis including "Vein of Galen," "Vein of Galen malformation," "Vein of Galen aneurysmal malformation," or any abbreviations (ie, VOG, VOGM, VOGAM) were reviewed. Presentation, imaging, treatment specifics, and clinical outcomes were reported. RESULTS There were 18 patients with VOGM managed at TCH from 2002 to 2018 with a total of 29 embolizations. Seventeen were performed with a single embolisate (NBCA or Onyx), and 12 with a combination. A dual lumen balloon catheter was used as an adjunct in 3 embolizations. Complications occurred in 5 embolizations (24%), including hemorrhage, embolisate migration, and femoral vessel occlusion. Surviving patients were followed for a mean of 38 mo, with 12 having normal or near-normal neurological development. CONCLUSION VOGM can present with a myriad of neurological and systemic symptoms, potentially in extremis. Neurosurgical involvement in these cases is critical, as urgent treatment can be lifesaving. Patients may require multiple treatment sessions using a variety of endovascular tools and techniques.
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Affiliation(s)
- Kathryn M Wagner
- Department of Neurosurgery, Baylor College of Medicine, Houston, Texas
| | - Michael G Z Ghali
- Department of Neurosurgery, Baylor College of Medicine, Houston, Texas
| | | | - Sandi Lam
- Department of Neurosurgery, Texas Children's Hospital, Houston, Texas
| | - Jeremiah Johnson
- Department of Neurosurgery, Baylor College of Medicine, Houston, Texas
| | - Stephen Chen
- Department of Radiology, Baylor College of Medicine, Houston, Texas
| | - Peter Kan
- Department of Neurosurgery, Baylor College of Medicine, Houston, Texas
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Cordova EG, Levy P, Kheir JN, Orbach DB, Barnewolt C, Estroff JA. Vein of Galen Malformation. Neoreviews 2020; 21:e678-e686. [PMID: 33004561 DOI: 10.1542/neo.21-10-e678] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Affiliation(s)
- Erika G Cordova
- Department of Newborn Medicine, Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - Philip Levy
- Department of Newborn Medicine, Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - John N Kheir
- Department of Cardiology, Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - Darren B Orbach
- Division of Neurointerventional Radiology, Maternal Fetal Medicine Center, Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - Carol Barnewolt
- Department of Radiology, Maternal Fetal Medicine Center, Boston Children's Hospital and Harvard Medical School, Boston, MA
| | - Judy A Estroff
- Department of Radiology, Maternal Fetal Medicine Center, Boston Children's Hospital and Harvard Medical School, Boston, MA
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Lubicz B, Christiaens F. Endovascular treatment of intracranial vascular malformations in children. Dev Med Child Neurol 2020; 62:1124-1130. [PMID: 32533582 DOI: 10.1111/dmcn.14589] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/04/2020] [Indexed: 11/26/2022]
Abstract
Paediatric intracranial vascular malformations are rare and different from adult ones in vascular anatomy, pathophysiology, and symptoms. Their impact on the brain and their symptoms will differ in the antenatal period, in neonates, infants, and children. Clinical presentation includes seizures, focal neurological deficit, haemorrhage, congestive heart failure, hydrovenous disorder, and developmental delays. These malformations are thus associated with a poor prognosis if left untreated. Therefore, aggressive management is generally recommended and must be performed by a multidisciplinary team with extensive experience. Endovascular treatment is the first-choice treatment for most paediatric intracranial vascular malformations. Indication and timing for treatment should be decided on the basis of a careful assessment of neurological symptoms, growth and development, cardiac and other systemic manifestations, and imaging of the malformation and the brain tissue. WHAT THIS PAPER ADDS: Paediatric intracranial vascular malformations are rare, but their prognosis is poor if left untreated. Improved clinical, anatomical, and pathophysiological understanding of these complex lesions has improved prognosis.
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Affiliation(s)
- Boris Lubicz
- Department of Interventional Neuroradiology, Erasme University Hospital, Brussels, Belgium
| | - Florence Christiaens
- Department of Pediatric Neurology, Erasme University Hospital, Brussels, Belgium
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Guerrero WR, Dandapat S, Ortega-Gutierrez S. Hemorrhagic Cerebrovascular Pathology in the Pediatric Population. Front Neurol 2020; 11:1055. [PMID: 33041990 PMCID: PMC7527474 DOI: 10.3389/fneur.2020.01055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 08/11/2020] [Indexed: 01/10/2023] Open
Abstract
Hemorrhagic cerebrovascular disease in the pediatric population can have devastating and long-term effects. Progress in the fields of genetics, neuroimaging, pharmacology, and surgical techniques has led to improved diagnosis and management of pediatric cerebrovascular diseases. In this review we discuss the current etiologies and medical and surgical treatments of hemorrhagic cerebrovascular pathology affecting infants and children. A special emphasis is placed on neuroendovascular treatment options. Increased knowledge about this unique pathology and the medical and therapeutic options will empower practitioners to more quickly and accurately identify and accurately treat hemorrhagic diseases in the pediatric population.
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Affiliation(s)
- Waldo R Guerrero
- Department of Neurosurgery, University of South Florida Morsani College of Medicine, Tampa, FL, United States
| | - Sudeepta Dandapat
- Department of Neurology, Radiology, and Neurosurgery, University of Iowa Carver College of Medicine, Comprehensive Stroke Center, Iowa City, IA, United States
| | - Santiago Ortega-Gutierrez
- Department of Neurology, Radiology, and Neurosurgery, University of Iowa Carver College of Medicine, Comprehensive Stroke Center, Iowa City, IA, United States
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Setiawan CT, Landrigan-Ossar M. Pediatric Anesthesia Outside the Operating Room: Case Management. Anesthesiol Clin 2020; 38:587-604. [PMID: 32792186 DOI: 10.1016/j.anclin.2020.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Anesthesiology teams care for children in diverse locations, including diagnostic and interventional radiology, gastroenterology and pulmonary endoscopy suites, radiation oncology units, and cardiac catheterization laboratories. To provide safe, high-quality care, anesthesiologists working in these environments must understand the unique environmental and perioperative considerations and risks involved with each remote location and patient population. Once these variables are addressed, anesthesia and procedural teams can coordinate to ensure that patients and families receive the same high-quality care that they have come to expect in the operating room. This article also describes some of the considerations for anesthetic care in outfield locations.
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Affiliation(s)
- Christopher Tan Setiawan
- Department of Anesthesiology and Pain Management, University of Texas Southwestern Medical Center, Dallas, TX, USA; Department of Anesthesiology, Children's Medical Center, 1935 Medical District Drive, Dallas, TX 75235, USA
| | - Mary Landrigan-Ossar
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA 02115, USA; Harvard Medical School, Boston, MA, USA.
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Arko L, Lambrych M, Montaser A, Zurakowski D, Orbach DB. Fetal and Neonatal MRI Predictors of Aggressive Early Clinical Course in Vein of Galen Malformation. AJNR Am J Neuroradiol 2020; 41:1105-1111. [PMID: 32467186 DOI: 10.3174/ajnr.a6585] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 04/03/2020] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Neonates with vein of Galen malformations are split into 2 cohorts: one needing urgent neonatal embolization, with relatively high mortality and morbidity even with expert care, and a cohort in which embolization can be deferred until infancy, with far better prognosis. We aimed to identify brain MR imaging characteristics obtained from fetal and early neonatal scans that can predict the clinical presentation. MATERIALS AND METHODS Patients with vein of Galen malformations were stratified into a neonatal at-risk cohort if the patient needed urgent neonatal intervention or if neonatal death occurred; or an infantile treatment cohort if they were stable enough not to require treatment until >1 month of age. Twelve vascular MR imaging parameters, measured by 2 independent observers, were systematically correlated with the need for early neonatal intervention and/or neonatal mortality. RESULTS A total of 32 neonatal patients (21 patients in the neonatal at-risk cohort, 11 in the infantile treatment cohort) were identified. Maximal mediolateral diameter (area under the curve = 0.866, P < .001) and cross-sectional area (area under the curve = 0.836, P = .002) at the narrowest point of the straight or falcine sinus were most predictive of clinical evolution into the neonatal at-risk cohort. There were 15 patients who had fetal MRIs (10 in the neonatal at-risk cohort and 5 in the infantile treatment cohort). Here too, maximal mediolateral diameter (area under the curve = 0.980, P = .003) and cross-sectional area (area under the curve = 0.941, P = .007) at the narrowest point of the straight or falcine sinus were highly predictive of the neonatal at-risk cohort. CONCLUSIONS Early neonatal and fetal MR imaging can be readily used for accurate early risk stratification, assisting in directing resources, timing treatment decisions, and identifying appropriate cohorts for novel interventions.
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Affiliation(s)
- L Arko
- From the Departments of Neurosurgery (L.A., M.L., A.M., D.B.O.)
| | - M Lambrych
- From the Departments of Neurosurgery (L.A., M.L., A.M., D.B.O.)
| | - A Montaser
- From the Departments of Neurosurgery (L.A., M.L., A.M., D.B.O.)
| | | | - D B Orbach
- From the Departments of Neurosurgery (L.A., M.L., A.M., D.B.O.) .,Neurointerventional Radiology (D.B.O.), Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts
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Giorgi L, Durand P, Morin L, Miatello J, Merchaoui Z, Lambert V, Boithias C, Senat MV, Stos B, Maurey H, Adamsbaum C, Tissières P, Saliou G, Spelle L, Ozanne A. Management and Outcomes of Neonatal Arteriovenous Brain Malformations with Cardiac Failure: A 17 Years' Experience in a Tertiary Referral Center. J Pediatr 2020; 218:85-91.e2. [PMID: 31870606 DOI: 10.1016/j.jpeds.2019.10.090] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 10/27/2019] [Accepted: 10/31/2019] [Indexed: 11/29/2022]
Abstract
OBJECTIVES To assess the management and outcomes of neonatal arteriovenous brain malformations (mostly vein of Galen malformations) complicated by cardiac failure in the era of prenatal diagnosis and endovascular treatment in a tertiary referral center. STUDY DESIGN This observational study included 77 living newborn infants with arteriovenous brain malformations with cardiac failure, admitted to our referral center from 2001 to 2017. All infants underwent cardiovascular evaluation including echocardiogram and brain magnetic resonance imaging. Long-term survivors had standard neurocognitive assessments. RESULTS Infants were admitted to the neonatal intensive care unit at a median of 5 days of age (including 18 inborn patients since 2009). Sixty transarterial shunt embolizations were performed in 46 patients during their first month (at a median age of 7.5 days) or postponed beyond the first month in another 10 long-term survivors. Embolization was not performed in 21 infants, including 19 nonsurvivors with severe brain injury, uncontrolled cardiac failure, or multiple organ failure. Cardiac failure requiring vasopressor infusion occurred in 48 patients (64%) during the hospitalization. Infants who survived the first month underwent a median of 3 embolization sessions. Among the 51 survivors, 21 had a good outcome and 19 had a poor outcome at follow-up (median age, 5.3 years); 11 children were lost to follow-up. CONCLUSIONS In the era of multidisciplinary prenatal diagnosis, using a standardized care protocol, 47% of liveborn infants with an arteriovenous shunt malformation with cardiac failure experienced a favorable outcome.
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Affiliation(s)
- Laetitia Giorgi
- Division of Pediatrics and Neonatal Intensive Care, Paris-Saclay University Hopsitals, Bicêtre Medical center Assistance publique-hôpitaux de Paris, France; Department of Pediatrics Neurology, Paris-Saclay University Hospitals, Bicêtre medical center, Assistance Publique Hôpitaux de Paris, France
| | - Phillippe Durand
- Division of Pediatrics and Neonatal Intensive Care, Paris-Saclay University Hopsitals, Bicêtre Medical center Assistance publique-hôpitaux de Paris, France.
| | - Luc Morin
- Division of Pediatrics and Neonatal Intensive Care, Paris-Saclay University Hopsitals, Bicêtre Medical center Assistance publique-hôpitaux de Paris, France
| | - Jordi Miatello
- Division of Pediatrics and Neonatal Intensive Care, Paris-Saclay University Hopsitals, Bicêtre Medical center Assistance publique-hôpitaux de Paris, France
| | - Zied Merchaoui
- Division of Pediatrics and Neonatal Intensive Care, Paris-Saclay University Hopsitals, Bicêtre Medical center Assistance publique-hôpitaux de Paris, France
| | - Virginie Lambert
- Department of Obstetrics and Gynecology, Paris-Saclay University Hospitals, Bicêtre medical center, Assistance publique-hôpitaux de Paris, France
| | - Claire Boithias
- Department of Obstetrics and Gynecology, Paris-Saclay University Hospitals, Bicêtre medical center, Assistance publique-hôpitaux de Paris, France
| | - Marie Victoire Senat
- Department of Obstetrics and Gynecology, Paris-Saclay University Hospitals, Bicêtre medical center, Assistance publique-hôpitaux de Paris, France
| | - Bertrand Stos
- Department of Obstetrics and Gynecology, Paris-Saclay University Hospitals, Bicêtre medical center, Assistance publique-hôpitaux de Paris, France
| | - Hélène Maurey
- Department of Pediatrics Neurology, Paris-Saclay University Hospitals, Bicêtre medical center, Assistance Publique Hôpitaux de Paris, France
| | - Catherine Adamsbaum
- Department of Pediatrics Radiology, Paris-Saclay University Hospitals, Bicêtre medical center, Assistance publique-hôpitaux de Paris, France
| | - Pierre Tissières
- Division of Pediatrics and Neonatal Intensive Care, Paris-Saclay University Hopsitals, Bicêtre Medical center Assistance publique-hôpitaux de Paris, France
| | - Guillaume Saliou
- Department of Interventional Neuroradiology Neuro Brain vascular center, Paris-Saclay University Hospitals, Bicêtre medical center, Assistance publique-hôpitaux de Paris, France; Department of Diagnostic and Interventional Neuroradiology, Lausanne University Hospital, CHUV-UNIL, Lausanne, Switzerland
| | - Laurent Spelle
- Department of Interventional Neuroradiology Neuro Brain vascular center, Paris-Saclay University Hospitals, Bicêtre medical center, Assistance publique-hôpitaux de Paris, France
| | - Augustin Ozanne
- Department of Interventional Neuroradiology Neuro Brain vascular center, Paris-Saclay University Hospitals, Bicêtre medical center, Assistance publique-hôpitaux de Paris, France
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Lv X, Jiang C, Wang J. Pediatric intracranial arteriovenous shunts: Advances in diagnosis and treatment. Eur J Paediatr Neurol 2020; 25:29-39. [PMID: 31996298 DOI: 10.1016/j.ejpn.2019.12.025] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 11/24/2019] [Accepted: 12/29/2019] [Indexed: 02/07/2023]
Abstract
Pediatric intracranial arteriovenous shunts (IAVSs) comprise a wide range of lesions, including pial arteriovenous malformation (AVM) and arteriovenous fistula (AVF), dural arteriovenous fistula (DAVF) and vein of Galen aneurysmal malformation (VGAM). We provide an overview of pediatric IAVSs, encompassing both diagnosis and endovascular treatment. We include references from pertinent literature and representative cases from our hospital. Pediatric IAVS are frequently associated two broader conditions, such as capillary malformation-arteriovenous malformation (CM-AVM) and hereditary hemorrhagic telangiectasia (HHT). These conditions and the associated genetic mutations have only recently been described. Their impact on the brain will be different in the prenatal period, in neonates, in infants, and in children, with variable symptoms according to each age group and the current strategies of endovascular treatment in the management of these vascular lesions will be discussed. This review could improve the understanding of pediatric IAVSs and their diagnosis and treatment.
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Affiliation(s)
- Xianli Lv
- Neurosurgery Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China.
| | - Chuhan Jiang
- Neurosurgery Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
| | - James Wang
- Neurosurgery Department, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing, China
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Abstract
Neuroendovascular surgery and interventional neuroradiology both describe the catheter-based (most often) endovascular diagnosis and treatment of vascular lesions affecting the brain and spinal cord. This article traces the evolution of these techniques and their current role as the dominant and frequently standard approach for many of these conditions. The article also discusses the important changes that have been brought to bear on open cerebrovascular neurosurgery by neuroendovascular surgery and their effects on resident and fellow training and describes new concepts for clinical care.
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44
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Malarbi S, Gunn-Charlton JK, Burnett AC, Prentice TM, Williams A, Mitchell P, Wray A, Hunt RW. Outcome of vein of Galen malformation presenting in the neonatal period. Arch Dis Child 2019; 104:1064-1069. [PMID: 31122925 DOI: 10.1136/archdischild-2018-316495] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Revised: 04/30/2019] [Accepted: 04/30/2019] [Indexed: 11/03/2022]
Abstract
OBJECTIVE Vein of Galenaneurysmal malformation (VGAM) is a rare but important congenital malformation presenting to neonatal intensive care units (NICUs), and with a change from surgical to endovascular management, survival for this condition has improved. However, there is little reported about the medical management decisions of infants with this condition and the associated long-term neurodevelopmental outcomes. We aim to report a single centre experience of both acute treatment and long-term outcomes of VGAM for those infants admitted to our NICU soon after birth. DESIGN Retrospective cohort study over a 15-year period from 2001 to 2015 inclusive. SETTING A quaternary NICU at The Royal Children's Hospital, Melbourne, Australia. PARTICIPANTS 24 newborn infants referred for management of VGAM. There were no eligibility criteria set for this study; all presenting infants were included. INTERVENTIONS None. MAIN OUTCOMES MEASURES Clinical neuroimaging data were gathered. Surviving children were formally assessed with a battery of tests administered by a neuropsychologist and occupational therapist/physiotherapist at various ages across early to middle childhood. RESULTS Fifteen neonates with VGAM did not survive beyond their NICU admission. 10 of these were not offered endovascular intervention. Of the nine surviving infants, only one had a normal neurodevelopmental outcome. CONCLUSIONS The mortality of VGAM presenting in the neonatal period was high, and rates of normal neurodevelopmental outcome for survivors were low. These findings contribute to our understanding of which neonates should be treated and highlights the importance of providing clinical neurodevelopmental follow-up to survivors beyond their infant years.
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Affiliation(s)
- Stephanie Malarbi
- Neonatal Medicine, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
| | - Julia K Gunn-Charlton
- Neonatal Medicine, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia.,Clinical Sciences, Murdoch Children's Research Institute, Melbourne, VIC, Australia
| | - Alice C Burnett
- Neonatal Medicine, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia.,Clinical Sciences, Murdoch Children's Research Institute, Melbourne, VIC, Australia
| | - Trisha M Prentice
- Neonatal Medicine, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia.,Clinical Sciences, Murdoch Children's Research Institute, Melbourne, VIC, Australia.,School of Population and Global Health, University of Melbourne, Parkville, Victoria, Australia
| | - Amy Williams
- Neonatal Medicine, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia
| | - Peter Mitchell
- Department of Radiology, The Royal Melbourne Hospital, Melbourne, VIC, Australia
| | - Alison Wray
- Department of Neurosurgery, The Royal Children's Hospital, Melbourne, VIC, Australia
| | - Rod W Hunt
- Neonatal Medicine, The Royal Children's Hospital Melbourne, Parkville, Victoria, Australia.,Clinical Sciences, Murdoch Children's Research Institute, Melbourne, VIC, Australia.,Department of Paediatrics, University of Melbourne, Melbourne, VIC, Australia
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45
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Runck F, Maurer CJ, Bode M, Lochbihler H, Kuršumović A, Berlis A. Occlusion of a mural type vein of Galen malformation in a 10-month-old boy with three Woven EndoBridge (WEB 17) and two coils. BMJ Case Rep 2019; 12:12/4/e014652. [PMID: 30988102 DOI: 10.1136/bcr-2018-014652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
We report the case of a 10-month-old boy with an enlarged head circumference and severe motor developmental delay. MRI showed a vein of Galen malformation (VGAM) with a heavily dilated median prosencephalic vein. Digital subtraction angiography confirmed a mural type VGAM with three feeding arteries arising from the posterior cerebral arteries. Due to the short length of the feeding arteries and the high flow, occlusion of the feeding vessels with detachable coils was not possible because of repeated coil dislocation into the dilated vein. Embolization of the three feeding vessels was then performed with a Woven EndoBridge single layer device (WEB SL17). In two arteries complete occlusion was accomplished with the WEB alone and in one artery additional deployment of two coils was necessary. Follow-up imaging at day 1 after treatment as well as 3 and 9 months after embolization showed persistent occlusion.
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Affiliation(s)
- Frank Runck
- Department of Diagnostic and Interventional Radiology and Neuroradiology, Universitätsklinikum Augsburg, Augsburg, Germany
| | - Christoph J Maurer
- Department of Diagnostic and Interventional Radiology and Neuroradiology, Universitätsklinikum Augsburg, Augsburg, Germany
| | - Markus Bode
- Department of Neurosurgery, Universitätsklinikum Augsburg, Augsburg, Germany
| | - Harald Lochbihler
- Department of Pediatric Surgery, Universitätsklinikum Augsburg, Augsburg, Germany
| | - Adisa Kuršumović
- Department of Neurosurgery, Donauisar Klinikum Deggendorf, Deggendorf, Germany
| | - Ansgar Berlis
- Department of Diagnostic and Interventional Radiology and Neuroradiology, Universitätsklinikum Augsburg, Augsburg, Germany
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46
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Puccinelli F, Tran Dong MNTK, Iacobucci M, Mazoit JX, Durand P, Tissieres P, Saliou G. Embolization of cerebral arteriovenous shunts in infants weighing less than 5 kg. J Neurosurg Pediatr 2019; 23:597-605. [PMID: 30797209 DOI: 10.3171/2018.11.peds1865] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 11/08/2018] [Indexed: 11/06/2022]
Abstract
OBJECTIVE Endovascular treatment in children, especially neonates, can be more challenging than analogous procedures in adults. This study aimed to describe the clinical and radiological findings, type and timing of endovascular treatment, and early outcomes in children who present with neurovascular malformations, who are treated with embolization, and who weigh less than 5 kg. METHODS The authors carried out a retrospective review of all consecutively treated children weighing less than 5 kg with neurovascular arteriovenous malformations (AVMs) at a single institution over a 10-year period. RESULTS Fifty-two patients were included in the study. Thirty-eight had a vein of Galen aneurysmal malformation, 3 a pial AVM, 6 a pial arteriovenous fistula, and 5 a dural sinus malformation. The endovascular treatment goals were control of cardiac failure or hydrocephalus in cases of nonhemorrhagic malformations or to prevent new bleeding in cases of previous hemorrhage. A hemorrhagic complication occurred in 12 procedures and an ischemic complication in 2. Both complication types were correlated with the age of the infant (age cutoff at 3 months) (p = of 0.015 and 0.049, respectively). No correlation was found with the weight of the infant or the duration of the procedure. CONCLUSIONS The embolization of AVMs in these patients prevented adverse cardiac effects, hydrovenous disorders, and rebleeding. The risk of major cerebral complications seems mainly correlated with age, with a threshold at 3 months. A multidisciplinary team involved in the treatment of these children may help to improve treatment success and management.
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Affiliation(s)
- Francesco Puccinelli
- 1Neuroradiologie Interventionnelle, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
| | | | | | - Jean-Xavier Mazoit
- 4Anesthésie Pédiatrique, Hôpital Bicêtre; Laboratoire d'Anesthésie UMR788 "Neuroprotection, Régénération des Axones et de la Myéline," Université Paris-Sud, Faculté de Médecine du Kremlin-Bicêtre; and
| | - Philippe Durand
- 5Réanimation Pédiatrique, Hôpital Bicêtre, Le Kremlin Bicêtre, France
| | - Pierre Tissieres
- 5Réanimation Pédiatrique, Hôpital Bicêtre, Le Kremlin Bicêtre, France
| | - Guillaume Saliou
- 1Neuroradiologie Interventionnelle, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
- 3Service de Neuroradiologie, Hôpital Bicêtre
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47
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Mochizuki Y, Niimi Y, Sato S, Inoue T, Kuwamoto K, Shima S, Mochizuki T, Kawamata T, Okada Y. Clinical Course and Management of Vein of Galen Varix of the Neonate: A Case Report and Literature Review. Pediatr Neurosurg 2019; 54:281-287. [PMID: 31266039 DOI: 10.1159/000500768] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 05/05/2019] [Indexed: 11/19/2022]
Abstract
A 28-year-old pregnant woman underwent an emergency caesarian section after 39 weeks of gestation because of decreased fetal movement and baseline fetal heart rate variability. The neonate was diagnosed with neonatal asphyxia and presented with right cardiac failure due to pulmonary hypertension. The neonate presented convulsion, and plane computed tomography (CT) showed dilation of the vein of Galen and sinuses on day 3. Magnetic resonance imaging and CT with contrast were performed after cardiac failure subsided, and there was no evidence of arteriovenous shunt and normalization of the vein of Galen. The patient was diagnosed with vein of Galen varix (VGV). In the previous literature, only 3 cases of VGV have been reported. VGV is considered to be caused by right cardiac failure without the presence of an arteriovenous shunt and requires treatment only for cardiac failure and its cause. Therefore, it is important to differentiate VGV from vein of Galen aneurysmal malformation.
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Affiliation(s)
- Yuichi Mochizuki
- Department of Neuroendovascular Therapy, St. Luke's International Hospital, Tokyo, Japan, .,Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan, .,Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan,
| | - Yasunari Niimi
- Department of Neuroendovascular Therapy, St. Luke's International Hospital, Tokyo, Japan
| | - Shinsuke Sato
- Department of Neuroendovascular Therapy, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
| | - Tatsuya Inoue
- Department of Neuroendovascular Therapy, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
| | - Kentaro Kuwamoto
- Department of Neuroendovascular Therapy, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan
| | - Shogo Shima
- Department of Neuroendovascular Therapy, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan
| | - Tatsuki Mochizuki
- Department of Neuroendovascular Therapy, St. Luke's International Hospital, Tokyo, Japan.,Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan
| | - Takakazu Kawamata
- Department of Neurosurgery, Tokyo Women's Medical University, Tokyo, Japan
| | - Yoshikazu Okada
- Department of Neurosurgery, St. Luke's International Hospital, Tokyo, Japan
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48
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Patel PA, Flouri D, Rennie A, Robertson F, Davies L, Ganesan V, Bhate S, De Coppi P, Vercauteren T, Melbourne A. Quantifying the Intra-Operative Hemodynamic Effects of Glue Embolization in Vein of Galen Malformations. PROCEEDINGS. IEEE INTERNATIONAL SYMPOSIUM ON BIOMEDICAL IMAGING 2019; 2019:754-758. [PMID: 34136068 DOI: 10.1109/isbi.2019.8759485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Vein of Galen malformation is a rare congenital pathological intracranial arteriovenous shunt which carries 30% risk of death before 28 days-of-age. Treatment is by high risk minimally invasive endovascular glue embolization of shunt feeding arteries under angiographic control. A tool to support intra-operative decision making would be useful. We present a novel method for visualizing angiography data to demonstrate the effect of the intervention based upon change the after embolization in the delay in time of peak contrast density relative to the injected artery and a novel method for quantifying the immediate effect of embolization on the hemodynamics of the shunt. The method is demonstrated on the angiograms of five neonates who underwent embolization. We show consistent results including a post-embolization increase in the delay in time of peak contrast density relative to the injected artery at the venous outflow in keeping with reduced shunting and redistribution of blood following embolization.
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Affiliation(s)
- Premal A Patel
- Wellcome EPSRC Centre for Interventional and Surgical Sciences, University College London, UK.,Radiology, Great Ormond Street Hospital for Children, UK
| | - Dimitra Flouri
- Wellcome EPSRC Centre for Interventional and Surgical Sciences, University College London, UK.,School of Biomedical Engineering & Imaging Sciences, King's College London, UK
| | - Adam Rennie
- Radiology, Great Ormond Street Hospital for Children, UK
| | | | - Lauren Davies
- Radiology, Great Ormond Street Hospital for Children, UK
| | - Vijeya Ganesan
- Neurology and Great Ormond Street Hospital for Children, UK
| | - Sanjay Bhate
- Neurology and Great Ormond Street Hospital for Children, UK
| | - Paolo De Coppi
- Wellcome EPSRC Centre for Interventional and Surgical Sciences, University College London, UK.,Surgery Departments, Great Ormond Street Hospital for Children, UK
| | - Tom Vercauteren
- School of Biomedical Engineering & Imaging Sciences, King's College London, UK.,Wellcome EPSRC Centre for Interventional and Surgical Sciences, University College London, UK
| | - Andrew Melbourne
- School of Biomedical Engineering & Imaging Sciences, King's College London, UK.,Wellcome EPSRC Centre for Interventional and Surgical Sciences, University College London, UK
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49
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Lecce F, Robertson F, Rennie A, Heuchan AM, Lister P, Bhate S, Bhattacharya J, Brew S, Kanagarajah L, Kuczynski A, Peters MJ, Ridout D, Schmitt A, Toolis C, Vargha-Khadem F, Ganesan V. Cross-sectional study of a United Kingdom cohort of neonatal vein of galen malformation. Ann Neurol 2018; 84:547-555. [PMID: 30155909 PMCID: PMC6221157 DOI: 10.1002/ana.25316] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 08/22/2018] [Accepted: 08/23/2018] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Describe the course and outcomes in a UK national cohort of neonates with vein of Galen malformation identified before 28 days of life. METHODS Neonates with angiographically confirmed vein of Galen malformation presenting to 1 of 2 UK treatment centers (2006-2016) were included; those surviving were invited to participate in neurocognitive assessment. Results in each domain were dichotomized into "good" and "poor" categories. Cross-sectional and angiographic brain imaging studies were systematically interrogated. Logistic regression was used to explore potential outcome predictors. RESULTS Of 85 children with neonatal vein of Galen malformation, 51 had survived. Thirty-four participated in neurocognitive assessment. Outcomes were approximately evenly split between "good" and "poor" categories across all domains, namely, neurological status, general cognition, neuromotor skills, adaptive behavior, and emotional and behavioral development. Important predictors of poor cognitive outcome were initial Bicêtre score ≤ 12 and presence of brain injury, specifically white matter injury, on initial imaging; in multivariate analysis, only Bicêtre score ≤ 12 remained significant. INTERPRETATION Despite modern supportive and endovascular treatment, more than one-third of unselected newborns with vein of Galen malformation did not survive. Outcome was good in around half of survivors. The importance of white matter injury suggests that abnormalities of venous as well as arterial circulation are important in the pathophysiology of brain injury. Ann Neurol 2018;84:547-555.
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Affiliation(s)
- Francesca Lecce
- Developmental Neurosciences Programme, UCL Great Ormond Street Institute of Child Health, London
| | - Fergus Robertson
- Radiology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | - Adam Rennie
- Radiology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | | | - Paula Lister
- Critical Care Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | - Sanjay Bhate
- Neurology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | - Jo Bhattacharya
- Radiology Department, Royal Hospital for Sick Children, Glasgow
| | - Stefan Brew
- Radiology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | - Lakshmi Kanagarajah
- Radiology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | - Adam Kuczynski
- Department of Neuropsychology, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | - Mark J Peters
- Radiology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | - Deborah Ridout
- Population, Policy, and Practice Programme, UCL Great Ormond Street Institute of Child Health, London, United Kingdom
| | - Anne Schmitt
- Radiology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | - Claire Toolis
- Neurology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | - Faraneh Vargha-Khadem
- Developmental Neurosciences Programme, UCL Great Ormond Street Institute of Child Health, London.,Department of Neuropsychology, Great Ormond Street Hospital for Children NHS Foundation Trust, London
| | - Vijeya Ganesan
- Developmental Neurosciences Programme, UCL Great Ormond Street Institute of Child Health, London.,Neurology Department, Great Ormond Street Hospital for Children NHS Foundation Trust, London
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50
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Dürr NR, Brinjikji W, Pohrt A, Lanfermann H, Brassel F, Meila D. Non-enhanced MR imaging for preinterventional assessment of the angioarchitecture in vein of Galen malformations. J Neurointerv Surg 2018; 10:999-1004. [PMID: 29436506 DOI: 10.1136/neurintsurg-2017-013611] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 01/10/2018] [Accepted: 01/12/2018] [Indexed: 11/04/2022]
Abstract
BACKGROUND AND PURPOSE Endovascular treatment of vein of Galen malformations (VGMs) requires sufficient preceding MR imaging. Standardized, preinterventional, non-invasive imaging has not been established. Our study is the first to examine the role of a dedicated, standardized, non-invasive imaging protocol in the evaluation of VGM angioarchitecture by non-contrast MRI/MR angiography. MATERIALS AND METHODS We retrospectively evaluated a consecutive series of VGM patients who underwent a 1.5 T MRI protocol, including standard T2 weighted images (T2WI), arterial time of flight (TOF), and thin T2WI without flow compensation (T2OffPh). The primary outcome was the proportion of patients in whom VGM subtypes and all arterial feeders (anterior (AChA) and posterior (PChA) choroidal arteries, pericallosal arteries, basilar tip, and leptomeningeal supply) could be accurately identified compared with a DSA gold standard. RESULTS A total of 26 VGM patients who underwent 108 studies were used in the statistical analysis. VGM subtype was best seen in axial T2OffPh (92.1%) and TOF (89.8%). AChA feeders were best seen in TOF (86.5%) and axial T2OffPh (72.2%). PChA feeders were best seen in TOF (95.1%) and axial T2OffPh (88.1%). Pericallosal feeders were best seen in axial T2OffPh (95.4%) and TOF (95.1%). Basilar tip feeders were best seen in TOF (90.6%) and axial T2OffPh (88.4%). CONCLUSION VGM angioarchitecture is best seen in TOF and axial T2OffPh. It can be used as an alternative to global angiographic series.
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Affiliation(s)
- Nikola Reinhard Dürr
- Department of Radiology and Neuroradiology, Sana Kliniken Duisburg, Zu den Rehwiesen, Duisburg, Germany
| | - Waleed Brinjikji
- Department of Radiology and Neurosurgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Anne Pohrt
- Federal Institute for Occupational Safety and Health, Berlin, Germany
| | - Henrich Lanfermann
- Department of Diagnostic and Interventional Neuroradiology, Medical School Hannover, Hannover, Germany
| | - Friedhelm Brassel
- Department of Radiology and Neuroradiology, Sana Kliniken Duisburg, Zu den Rehwiesen, Duisburg, Germany
| | - Dan Meila
- Department of Diagnostic and Interventional Neuroradiology, Medical School Hannover, Hannover, Germany.,Department of Interventional Neuroradiology, Johanna-Etienne-Krankenhaus Neuss, Neuss, Germany
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