Search Results

You are looking at 1 - 10 of 456 items for :

  • "brain arteriovenous malformation" x
Clear All
Free access

Isaac Josh Abecassis, David S. Xu, H. Hunt Batjer and Bernard R. Bendok

F irst described by Steinheil in 1895, brain arteriovenous malformations (BAVMs) are a complex of abnormal arteries and veins that directly fistualize without an intervening capillary bed. From a purely categorical level, BAVMs differ from other fistulous vascular malformations, such as vein of Galen malformations, dural arteriovenous fistulas, or secondary malformations that arise from trauma, or neovascularization that occurs after chronic cerebral venous occlusion. Because BAVMs can differ in size, location, morphology, and angioarchitecture, clinical

Restricted access

Daniel H. Sahlein, Paloma Mora, Tibor Becske and Peter K. Nelson

the article: Nelson, Sahlein, Mora. Critically revising the article: all authors. Reviewed submitted version of manuscript: all authors. Approved the final version of the manuscript on behalf of all authors: Nelson. Statistical analysis: Sahlein. Administrative/technical/material support: Nelson, Sahlein, Becske. Study supervision: Nelson, Becske. References 1 Atkinson RP , Awad IA , Batjer HH , Dowd CF , Furlan A , Giannotta SL , : Reporting terminology for brain arteriovenous malformation clinical and radiographic features for use in

Full access

Joseph Gabrieli, Frédéric Clarençon, Federico Di Maria, Robert Fahed, Anne-Laure Boch, Vincent Degos, Jacques Chiras and Nader-Antoine Sourour

I ntracranial aneurysms may be observed concomitantly with brain arteriovenous malformations (BAVMs). 1 In some cases, the association of both lesions is fortuitous; in other cases, these aneurysms are either inside the BAVM or related to the increased flow on arterial feeders: the so-called “flow-related” aneurysms (FRAs). Flow-related aneurysms constitute a particular subtype of BAVM-associated aneurysms and they should be considered separately from intranidal and unrelated aneurysms. When unruptured, the management of these aneurysms and the timing for

Restricted access

Eva M. Wu, Tarek Y. El Ahmadieh, Cameron M. McDougall, Salah G. Aoun, Nikhil Mehta, Om James Neeley, Aaron Plitt, Vin Shen Ban, Rafael Sillero, Jonathan A. White, H. Hunt Batjer and Babu G. Welch

E ndovascular embolization has been established as an adjuvant treatment strategy to reduce the size of brain arteriovenous malformations (AVMs) and eliminate high-grade features in preparation for microsurgery. 4 , 22 With the evolution of endovascular equipment and techniques, embolization of AVMs with an intent to cure has become part of treatment discussions at many centers. But this transition of embolization from an adjunctive to a definitive treatment modality remains controversial. Complete obliteration has been reported in up to 40% of AVMs treated

Restricted access

Ichiro Yuki, Robert H. Kim, Gary Duckwiler, Reza Jahan, Satoshi Tateshima, Nestor Gonzalez, Alessandra Gorgulho, Jorge Lee Diaz, Antonio A. De Salles and Fernando Viñuela

predictive of success or complications in arteriovenous malformation radiosurgery . Neurosurgery 52 : 296 – 298 , 2003 9 Gobin YP , Laurent A , Merienne L , Schlienger M , Aymard A , Houdart E , : Treatment of brain arteriovenous malformations by embolization and radiosurgery . J Neurosurg 85 : 19 – 28 , 1996 10 Guo WY , Wikholm G , Karlsson B , Lindquist C , Svendsen P , Ericson K : Combined embolization and gamma knife radiosurgery for cerebral arteriovenous malformations . Acta Radiol 34 : 600 – 606 , 1993 11 Haw

Full access

Yuming Jiao, Fuxin Lin, Jun Wu, Hao Li, Lijun Wang, Zhen Jin, Shuo Wang and Yong Cao

C areful case selection is necessary to minimize postoperative complications and neurological deficits after the resection of brain arteriovenous malformations (BAVMs). When surgery is considered, grading schemes are used to aid in predicting the associated risks. The prediction model most frequently used is the Spetzler-Martin (S-M) grading system 22 in which ordinal scores are assigned to 3 variables: AVM size, eloquence of location, and pattern of venous drainage. The S-M grading system facilitates stratification of BAVM characteristics among patients and

Full access

Hengwei Jin, Stephanie Lenck, Timo Krings, Ronit Agid, Yibin Fang, Youxiang Li, Alex Kostynskyy, Michael Tymianski, Vitor Mendes Pereira and Ivan Radovanovic

T he risk of recurrent hemorrhage and the consequent high morbidity and mortality rates (10%–30% and 0%–10%, respectively) justify the curative treatment of ruptured brain arteriovenous malformations (bAVMs). 8 , 18 However, the optimal timing of such treatment remains unclear. 4 , 11 , 21 , 28 , 31 Technical advances in microsurgery and endovascular techniques may have decreased the surgery-related risks of bAVMs and increased the rate of complete occlusion or resection. 6 , 9 , 23 Otherwise, the rate of recurrent hemorrhage is reported to be as high as 6

Full access

Matthew B. Potts, Darryl Lau, Adib A. Abla, Helen Kim, William L. Young and Michael T. Lawton

R esection is an appealing therapy for brain arteriovenous malformations (AVMs) because of its high cure rate, low complication rate, and immediacy, and has become the first-line therapy or “gold standard” for many AVMs. 4 , 24 Surgical results have improved over time with: 1) the creation of grading systems to select patients likely to experience optimal outcomes; 5 , 11 , 18 , 19 , 42 2) the development of instruments such as bipolar forceps and AVM microclips to coagulate or occlude feeding arteries effectively; 3) the recognition of AVM subtypes that

Restricted access

Y. Pierre Gobin, Alexandre Laurent, Louis Merienne, Maurice Schlienger, Armand Aymard, Emmanuel Houdart, Alfredo Casasco, Dimitri Lefkopoulos, Bernard George and Jean Jacques Merland

A lthough surgery is the gold standard for the treatment of brain arteriovenous malformations (AVMs), surgical techniques may not be suitable for some patients because of anatomical factors or poor medical condition, and alternative methods of treatment may be indicated. Radiosurgery is one alternative that has been proven safe and effective in treating small AVMs. However, radiosurgery has had a lower success rate as well as a higher complication rate when treating large AVMs. 35, 38 Lindqvist and Steiner 31 estimated that only one-third of patients could

Restricted access

Ching-Jen Chen, Cheng-Chia Lee, Hideyuki Kano, Kathryn N. Kearns, Dale Ding, Shih-Wei Tzeng, Ahmet Atik, Krishna Joshi, Gene H. Barnett, Paul P. Huang, Douglas Kondziolka, David Mathieu, Christian Iorio-Morin, Inga S. Grills, Thomas J. Quinn, Zaid A. Siddiqui, Kim Marvin, Caleb Feliciano, Andrew Faramand, L. Dade Lunsford and Jason P. Sheehan

supervision: Sheehan. Supplemental Information Previous Presentations The contents of this study were orally presented at the 67th Annual Meeting of the Congress of Neurological Surgeons, October 19–23, 2019, San Francisco, California. References 1 ApSimon HT , Reef H , Phadke RV , Popovic EA : A population-based study of brain arteriovenous malformation: long-term treatment outcomes . Stroke 33 : 2794 – 2800 , 2002 2 Austin PC , Lee DS , Fine JP : Introduction to the analysis of survival data in the presence of competing risks . Circulation 133