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Kang M, Kim S. Usefulness of sectional images in dural AVF for the interpretation of venous anatomy. J Cerebrovasc Endovasc Neurosurg 2024; 26:119-129. [PMID: 38152841 PMCID: PMC11220301 DOI: 10.7461/jcen.2023.e2022.10.001] [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: 10/11/2022] [Revised: 09/21/2023] [Accepted: 09/27/2023] [Indexed: 12/29/2023] Open
Abstract
Knowledge of the venous anatomy is essential for appropriately treating dural arteriovenous fistulas (AVFs). It is challenging to determine the overall venous structure despite performing selective angiography for dural AVFs with feeder from multiple selected arteries. This is because only a part of the veins can be observed through the shunt in the selected artery. Therefore, after performing selective angiography of all vessels to understand the approximate venous anatomy, the venous anatomy can be easily understood by closely examining the source image of computed tomographic angiography or magnetic resonance angiography. Through this, it is possible to specify the vein that is to be blocked (target embolization), thereby avoiding extensive blocking of the vein and avoiding various complications. In the case of dural AVF with feeder from single selected artery, if the multiplanar reconstruction image of the three-dimensional rotational computed tomography obtained by performing angiography is analyzed thoroughly, a shunted pouch can be identified. If embolization is performed by targeting this area, unnecessary sinus total packing can be avoided.
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Affiliation(s)
- Myongjin Kang
- Department of Radiology, Dong-A University Hospital, Busan, Korea
| | - Sanghyeon Kim
- Department of Radiology, Dong-A University Hospital, Busan, Korea
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2
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Lim J, Donnelly BM, Jaikumar V, Kruk MD, Kuo CC, Monteiro A, Siddiqi M, Baig AA, Patel D, Raygor KP, Snyder KV, Davies JM, Levy EI, Siddiqui AH. Transvenous embolization of noncavernous dural arteriovenous fistulas (dAVFs): A systematic review and meta-analysis. Interv Neuroradiol 2024:15910199241234098. [PMID: 38414437 DOI: 10.1177/15910199241234098] [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: 02/29/2024] Open
Abstract
BACKGROUND Intracranial dural arteriovenous fistulas (dAVFs) are abnormal connections between arteries and veins within the dura mater. Various treatment modalities, such as surgical ligation, endovascular intervention, and radiosurgery, aim to close the fistulous connection. Although transvenous embolization (TVE) is the preferred method for carotid-cavernous fistulas, its description and outcomes for noncavernous dAVFs vary. This has prompted a systematic review and meta-analysis to comprehensively assess the effectiveness of TVE in treating noncavernous dAVFs, addressing variations in outcomes and techniques. METHODS We searched PubMed and Embase, spanning from the earliest records to December 2022, to identify pertinent English-language articles detailing the utilization of TVE. We focused on specific procedural details, outcomes, and complications in patients older than 18 years. The data collected and analyzed comprised the sample size, number of fistulas, publication specifics, presenting symptoms, fistula grades, and pooled rates of embolizations, outcomes, follow-up information, and complications. RESULTS From a total of 565 screened articles, 15 retrospective articles encompassing 166 patients spanning across seven countries met the inclusion criteria. Their Newcastle-Ottawa scores ranged from 6 to 8. Intraprocedural complication rate was 10% (95% confidence interval [CI] = 5.9-17.1) and in-hospital postprocedural complication rate was 5.4% (95% CI = 2.8-10.6). Prevalence of in-hospital mortality was 5.5% (95% CI = 2.9-10.6). Complication rate during follow-up was 8.6% (95% CI = 4.7-15.7) with fistula rupture occurring in 5.5% (95% CI = 2.6-11.6) of patients. Complete obliteration rate at final angiographic follow-up was 94.9% (95% CI = 90.3-99.9). Symptoms improved in 95% (95% CI = 89.8-100) of patients at final follow-up. CONCLUSION To our knowledge, we present the first meta-analysis assessing obliteration rates, outcomes, and complications of TVE for dAVFs. Our analysis highlights the higher (>90%) complete obliteration rates. Large prospective multicenter studies are needed to better define the utility of TVE for noncavernous dAVFs.
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Affiliation(s)
- Jaims Lim
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, NY, USA
| | | | - Vinay Jaikumar
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, NY, USA
| | - Marissa D Kruk
- Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Cathleen C Kuo
- Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Andre Monteiro
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, NY, USA
| | - Manhal Siddiqi
- Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Ammad A Baig
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, NY, USA
| | - Devan Patel
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, NY, USA
| | - Kunal P Raygor
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, NY, USA
| | - Kenneth V Snyder
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Canon Stroke and Vascular Research Center, University at Buffalo, Buffalo, NY, USA
- Jacobs Institute, Buffalo, NY, USA
| | - Jason M Davies
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, NY, USA
- Canon Stroke and Vascular Research Center, University at Buffalo, Buffalo, NY, USA
- Jacobs Institute, Buffalo, NY, USA
- Department of Bioinformatics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Elad I Levy
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, NY, USA
- Canon Stroke and Vascular Research Center, University at Buffalo, Buffalo, NY, USA
- Jacobs Institute, Buffalo, NY, USA
- Department of Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
| | - Adnan H Siddiqui
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, NY, USA
- Canon Stroke and Vascular Research Center, University at Buffalo, Buffalo, NY, USA
- Jacobs Institute, Buffalo, NY, USA
- Department of Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, USA
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3
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Tong X, Ye M, Li J, Hu P, Hong T, Zhang P, Zhang H. Transvenous Onyx embolization for dural arteriovenous fistula with concomitant transvenous balloon protection of the venous sinus. J Neurosurg Sci 2024; 68:89-100. [PMID: 32347677 DOI: 10.23736/s0390-5616.20.04937-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
BACKGROUND The purpose of this study was to evaluate the technical efficacy and safety of transvenous Onyx embolization for dural arteriovenous fistulas (DAVFs) with concomitant transvenous balloon protection of the venous sinus when transarterial route failed or was not feasible. METHODS Between September 2010 and December 2016, thirty-six patients presenting with intracranial DAVFs underwent transvenous balloon-assisted Onyx embolization. The technical efficacy, treatment-related complications, and angiographic and clinical outcomes were reviewed from our prospectively maintained DAVF database. RESULTS According to the Cognard Classification, 11 patients presented with clinically symptomatic Cognard type I; 11 cases with Cognard type IIa; 10 cases with Cognard type IIb; and 4 cases with Cognard type IIa+b. Complete angiographic occlusion of the DAVFs at the latest follow-up (mean 18 months after transvenous embolization) was achieved in 28 patients (77.8%), near-complete angiographic occlusion with minimal residual fistula in 5 patients (13.9%) and significant flow reduction of the DAVF in 2 patients (5.6%) and residual fistula for further treatment in 1 (2.8%) patient. Total clinical cure or remission of the pretreatment symptoms was achieved in 31 patients (31/36, 86.1%; 26 and 5 cases respectively). Affected venous sinus was preserved in 28 patients, intentionally occluded in 7 patients and gradually occluded in 1 patient. There were no immediate or long-term persistent complications after treatment. CONCLUSIONS Transvenous Onyx embolization of dural arteriovenous fistulas with combined transvenous balloon protection of the venous sinus is safe and effective in achieving high occlusion rate, low embolization-related complications and satisfactory clinical outcomes.
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Affiliation(s)
- Xianzeng Tong
- Department of Neurosurgery, China International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Ming Ye
- Department of Neurosurgery, China International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Jingwei Li
- Department of Neurosurgery, China International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Peng Hu
- Department of Neurosurgery, China International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Tao Hong
- Department of Neurosurgery, China International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Peng Zhang
- Department of Neurosurgery, China International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China
| | - Hongqi Zhang
- Department of Neurosurgery, China International Neuroscience Institute (China-INI), Xuanwu Hospital, Capital Medical University, Beijing, China -
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Fujita A, Kohta M, Sasayama T, Kohmura E. Endovascular Treatment of Borden Type III Transverse-sigmoid Sinus Dural Arteriovenous Fistulas: a Single-center 12-year Experience. Clin Neuroradiol 2023; 33:161-169. [PMID: 35857059 DOI: 10.1007/s00062-022-01197-4] [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: 04/13/2022] [Accepted: 07/06/2022] [Indexed: 11/03/2022]
Abstract
PURPOSE The objective of this study was to evaluate our 12-year experience in treating Borden type III transverse-sigmoid sinus (TSS) dural arteriovenous fistulas (DAVFs) and discuss the technical aspects of ipsilateral and contralateral transvenous embolization (TVE) approaches. METHODS We retrospectively reviewed charts of consecutive patients with TSS DAVF treated with multimodal treatment between April 2008 and March 2020. The baseline patient characteristics, imaging data, details of procedure, data sets of sinus pressure monitoring, and clinical results were systematically collected. RESULTS Of 44 patients with TSS DAVF who were treated during study periods, 23 patients of Borden type III were extracted. Among the 23 patients, 18 with transfemoral TVE were included for analysis. TVE was performed using an ipsilateral approach in 8 patients and a contralateral approach in 10. Pressure monitoring data revealed that initial mean sinus pressure (43.5 mmHg vs. 29.5 mmHg; P = 0.033), maximum sinus pressure during the procedure (69.0 mmHg vs. 40.5 mmHg; P = 0.011), and sinus pressure gradient (22.5 mmHg vs. 5.5 mmHg; P = 0.021) were significantly higher in the ipsilateral approach group. The complete obliteration rate by primary embolization was 94% in our cohort with the recurrence rate of 5.6% with a median follow-up period of 57 months. CONCLUSION Our study showed the durability of TVE for patients with Borden type III TSS DAVF. TVE performed via the contralateral approach might prevent a potentially dangerous increase in intraprocedural sinus pressure and cortical venous reflux.
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Affiliation(s)
- Atsushi Fujita
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan.
| | - Masaaki Kohta
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan
| | - Takashi Sasayama
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan
| | - Eiji Kohmura
- Department of Neurosurgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, 650-0017, Kobe, Japan
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Kim J, Kim BM, Park KY, Lee JW, Kim YB, Chung J, Kim DJ. Angioarchitectural Analysis of Arteriovenous Shunts in Dural Arteriovenous Fistulas and Its Clinical Implications. Neurosurgery 2022; 91:782-789. [PMID: 36001786 DOI: 10.1227/neu.0000000000002121] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 06/12/2022] [Indexed: 11/19/2022] Open
Abstract
BACKGROUND Detailed understanding of the angioarchitecture of arteriovenous shunts in dural arteriovenous fistulas (DAVFs) is essential when planning endovascular treatment. OBJECTIVE To analyze shunt patterns and their clinical implications in transverse-sigmoid sinus and superior sagittal sinus DAVFs. METHODS A total of 48 DAVFs treated with endovascular embolization between January 2010 and June 2021 were investigated. The preprocedural and intraprocedural digital subtraction angiograms were examined to characterize the shunt patterns of DAVFs in terms of anatomic relations to the sinuses and cortical veins. Treatment characteristics and outcomes were evaluated. RESULTS The shunt patterns were categorized into 4 types: the direct sinus fistula (n = 8/48, 16.7%), compartmental sinus channel (n = 14/48, 29.1%), mural channel (n = 13/48, 27.1%), and bridging vein shunt (n = 13/48, 27.1%). Mural channel lesions revealed direct (n = 4/13, 30.8%) and indirect (n = 6/13, 46.2%) cortical venous connections. Multiple shunt types were seen in 7 patients. Overall, complete or near-complete occlusion was achieved in 43 patients (89.6%) after the final embolization. Patients with mural channels received the most embolization sessions (1.4 sessions per patient). Procedural venous drainage-related complications occurred in patients with multiple shunt types including mural channel shunts (n = 3). All bridging vein shunts were completely occluded during a single transarterial embolization session. CONCLUSION The 4 shunt patterns of DAVFs demonstrate distinct characteristics for the fistula, sinus and cortical vein connection. Meticulous analysis of the angioarchitectural characteristics and clinical implications is warranted for safe and effective treatment.
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Affiliation(s)
- Junhyung Kim
- Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea.,Department of Neurosurgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Byung Moon Kim
- Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Keun Young Park
- Department of Neurosurgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jae Whan Lee
- Department of Neurosurgery, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin-si, Republic of Korea
| | - Yong Bae Kim
- Department of Neurosurgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Joonho Chung
- Department of Neurosurgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Dong Joon Kim
- Department of Radiology, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
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6
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Shapiro M, Raz E, Nossek E, Srivatanakul K, Young M, Narayan V, Ali A, Sharashidze V, Esparza R, Nelson PK. Cerebral venous anatomy: implications for the neurointerventionalist. J Neurointerv Surg 2022; 15:452-460. [PMID: 35803732 DOI: 10.1136/neurintsurg-2022-018917] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 06/12/2022] [Indexed: 11/03/2022]
Abstract
Meaningful contributions to neurointerventional practice may be possible by considering the dynamic aspects of angiography in addition to fixed morphologic information. The functional approach to venous anatomy requires integration of the traditional static anatomic features of the system-deep, superficial, posterior fossa, medullary veins, venous sinuses, and outflow routes into an overall appreciation of how a classic model of drainage is altered, embryologically, or pathologically, depending on patterns of flow-visualization made possible by angiography. In this review, emphasis is placed on balance between alternative venous networks and their redundancy, and the problems which arise when these systems are lacking. The role of veins in major neurovascular diseases, such as dural arteriovenous fistulae, arteriovenous malformations, pulsatile tinnitus, and intracranial hypertension, is highlighted, and deficiencies in knowledge emphasized.
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Affiliation(s)
- Maksim Shapiro
- Department of Radiology and Neurology, NYU, New York, New York, USA .,Department of Radiology and Neurology, Bellevue Hospital Center, New York, New York, USA
| | - Eytan Raz
- Department of Radiology, NYU, New York, New York, USA.,Department of Radiology, Bellevue Hospital Center, New York, New York, USA
| | - Erez Nossek
- Department of Neurosurgery, NYU, New York, New York, USA.,Department of Neurosurgery, Bellevue Hospital Center, New York, New York, USA
| | - Kittipong Srivatanakul
- Department of Neurosurgery, Tokai University School of Medicine Graduate School of Medicine, Isehara, Japan
| | - Matthew Young
- Department of Radiology, NYU, New York, New York, USA.,Department of Radiology, Bellevue Hospital Center, New York, New York, USA
| | - Vinayak Narayan
- Department of Radiology, NYU, New York, New York, USA.,Department of Radiology, Bellevue Hospital Center, New York, New York, USA
| | - Aryan Ali
- Department of Radiology, NYU, New York, New York, USA.,Department of Radiology, Bellevue Hospital Center, New York, New York, USA
| | - Vera Sharashidze
- Department of Radiology, NYU, New York, New York, USA.,Department of Radiology, Bellevue Hospital Center, New York, New York, USA
| | - Rogelio Esparza
- Department of Neurosurgery, NYU, New York, New York, USA.,Department of Neurosurgery, Bellevue Hospital Center, New York, New York, USA
| | - Peter Kim Nelson
- Department of Radiology and Neurology, Bellevue Hospital Center, New York, New York, USA.,Department of Radiology and Neurosurgery, NYU, New York, New York, USA
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7
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Shapiro M, Raz E, Nossek E, Srivatanakul K, Walker M, Mir O, Nelson PK. Dural venous system: angiographic technique and correlation with ex vivo investigations. J Neurointerv Surg 2021; 14:196-201. [PMID: 33727412 DOI: 10.1136/neurintsurg-2020-017237] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 02/22/2021] [Accepted: 02/23/2021] [Indexed: 11/03/2022]
Abstract
BACKGROUND The dural vasculature plays a key role in several important conditions, including dural fistulas and subdural collections. While in vivo investigations of intrinsic dural arterial angioarchitecture are rare, no angiographic studies of dural venous drainage exist to our knowledge. OBJECTIVE To describe methods by which dural venous drainage might be visualized with current angiographic equipment and technique, and to correlate our results with existing ex vivo literature. METHODS Digital subtraction angiography and 3D angiography (rotational and Dyna CT) of dural neurovasculature were acquired in the context of subdural hematoma embolization and normal dura. Protocols for visualization of dural venous drainage were established, and findings correlated with ex vivo studies. RESULTS Meningeal arteries supply both the skull and dura. Normal dural enhancement is accentuated by the presence of hypervascular membranes. Intrinsic meningeal veins/sinuses parallel outer layer arteries with well-known tram-tracking appearance. Dura adjacent to main arterial trunks drains via skull base foramina into the pterygopalatine venous plexus, or via emissary veins into the temporalis venous plexus. Dura near the sinuses drains into venous pouches adjacent to the sinus, before emptying into the sinus proper-possibly the same pouches implicated in the angioarchitecture of dural fistulas. Finally, posterior temporoparietal convexity dura, situated in a watershed-like region between middle and posterior meningeal territories, frequently empties into diploic and emissary veins of the skull. Wide variation in balance is expected between these three routes. Drainage patterns appear to correlate with venous embryologic investigations of Padget and ex vivo studies in adults. CONCLUSIONS Continued attention to dural venous drainage may prove useful in the diagnosis and management of dural-based vascular diseases.
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Affiliation(s)
- Maksim Shapiro
- Department of Radiology, New York University Langone Medical Center, New York, New York, USA
| | - Eytan Raz
- Department of Radiology, New York University Langone Medical Center, New York, New York, USA
| | - Erez Nossek
- Department of Neurosurgery, NYU School of Medicine, New York, New York, USA
| | | | - Melanie Walker
- Department of Neurological Surgery, University of Washington School of Medicine, Seattle, Texas, USA
| | - Osman Mir
- Department of Radiology, New York University Langone Medical Center, New York, New York, USA
| | - Peter Kim Nelson
- Department of Radiology, New York University Langone Medical Center, New York, New York, USA
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8
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Qureshi AM, Bhatia K, Kostynskyy A, Krings T. Clinical and Angioarchitectural Features of Ruptured Dural Arteriovenous Fistulas. World Neurosurg 2020; 147:e476-e481. [PMID: 33383199 DOI: 10.1016/j.wneu.2020.12.091] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 12/16/2020] [Accepted: 12/17/2020] [Indexed: 10/22/2022]
Abstract
BACKGROUND Hemorrhage is a feared complication of cranial dural arteriovenous fistulas (DAVFs). Traditional grading systems including the Cognard and Borden classifications assess for this risk. We sought to define the specific angioarchitecture of ruptured lesions. METHODS A total of 41 cases between 2004 and 2019 with ruptured cranial DAVFs were retrospectively analyzed. Information reviewed from records and imaging included hematoma location, fistula anatomy and architecture, classification, venous pouches, common collecting veins, downstream stenosis, treatment, and outcomes. RESULTS Mean age at presentation was 60 years, and 61% of patients were male. Hemorrhage was most commonly intraparenchymal, and the majority of fistulae were transverse-sigmoid, tentorial, or convexity. We noted that 71% of lesions had a multi-feeder-common-hole configuration. Venous aneurysms (present in 64% of patients) were in direct communication with the hematoma in 88%; 72% of cases were treated by endovascular means; 64% of patients were treated within 7 days. Five patients re-bled between diagnosis and treatment. A total of 83% of patients were functionally independent at last follow-up. CONCLUSIONS Hemorrhage from cranial DAVFs is mostly intraparenchymal. Venous aneurysms are common and very often responsible for the bleed. Embolization yields high cure rates and should be performed early because of risk of re-hemorrhage. However, in spite of hemorrhage, DAVFs have a relatively favorable clinical outcome.
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Affiliation(s)
- Ayman M Qureshi
- Department of Medical Imaging, Toronto Western Hospital, University Health Network, Toronto, ON, Canada.
| | - Kartik Bhatia
- Department of Medical Imaging, Toronto Western Hospital, University Health Network, Toronto, ON, Canada
| | - Alex Kostynskyy
- Department of Medical Imaging, Toronto Western Hospital, University Health Network, Toronto, ON, Canada
| | - Timo Krings
- Department of Medical Imaging, Toronto Western Hospital, University Health Network, Toronto, ON, Canada
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Bhatia KD, Kortman H, Lee H, Waelchli T, Radovanovic I, Schaafsma JD, Pereira VM, Krings T. Facial Nerve Arterial Arcade Supply in Dural Arteriovenous Fistulas: Anatomy and Treatment Strategies. AJNR Am J Neuroradiol 2020; 41:687-692. [PMID: 32193191 DOI: 10.3174/ajnr.a6449] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2019] [Accepted: 01/14/2020] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Endovascular treatment of petrous dural AVFs may carry a risk of iatrogenic facial nerve palsy if the facial nerve arterial arcade, an anastomotic arterial arch that supplies the geniculate ganglion, is not respected or recognized. Our purpose was to demonstrate that the use of a treatment strategy algorithm incorporating detailed angiographic anatomic assessment allows identification of the facial nerve arterial arcade and therefore safe endovascular treatment. MATERIALS AND METHODS This was a retrospective cohort study of consecutive petrous dural AVF cases managed at Toronto Western Hospital between 2006 and 2018. Our standard of care consists of detailed angiographic assessment followed by multidisciplinary discussion on management. Arterial supply, primary and secondary treatments undertaken, angiographic outcomes, and clinical outcomes were assessed by 2 independent fellowship-trained interventional neuroradiologists. RESULTS Fifteen patients had 15 fistulas localized over the petrous temporal bone. Fistulas in all 15 patients had direct cortical venous drainage and received at least partial supply from the facial nerve arterial arcade. Following multidisciplinary evaluation, treatment was performed by endovascular embolization in 8 patients (53%) and microsurgical disconnection in 7 patients (47%). All patients had long-term angiographic cure, and none developed iatrogenic facial nerve palsy. CONCLUSIONS By means of our treatment strategy based on detailed angiographic assessment and multidisciplinary discussion, approximately half of our patients with petrous AVFs were cured by endovascular treatment, half were cured by an operation, and all had preserved facial nerve function.
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Affiliation(s)
- K D Bhatia
- From the Division of Neuroradiology (K.D.B., H.K., H.L., V.M.P., T.K.), Joint Department of Medical Imaging
| | - H Kortman
- From the Division of Neuroradiology (K.D.B., H.K., H.L., V.M.P., T.K.), Joint Department of Medical Imaging
| | - H Lee
- From the Division of Neuroradiology (K.D.B., H.K., H.L., V.M.P., T.K.), Joint Department of Medical Imaging
| | - T Waelchli
- Division of Neurosurgery (T.W., I.R., V.M.P., T.K.), Department of Surgery
| | - I Radovanovic
- Division of Neurosurgery (T.W., I.R., V.M.P., T.K.), Department of Surgery
| | - J D Schaafsma
- Division of Neurology (J.D.S.), Department of Medicine, Toronto Western Hospital, Toronto, Ontario, Canada
| | - V M Pereira
- From the Division of Neuroradiology (K.D.B., H.K., H.L., V.M.P., T.K.), Joint Department of Medical Imaging.,Division of Neurosurgery (T.W., I.R., V.M.P., T.K.), Department of Surgery
| | - T Krings
- From the Division of Neuroradiology (K.D.B., H.K., H.L., V.M.P., T.K.), Joint Department of Medical Imaging.,Division of Neurosurgery (T.W., I.R., V.M.P., T.K.), Department of Surgery
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10
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Hou K, Li G, Luan T, Xu K, Yu J. Endovascular treatment of the cavernous sinus dural arteriovenous fistula: current status and considerations. Int J Med Sci 2020; 17:1121-1130. [PMID: 32410842 PMCID: PMC7211155 DOI: 10.7150/ijms.45210] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Accepted: 04/17/2020] [Indexed: 12/23/2022] Open
Abstract
A cavernous sinus dural arteriovenous fistula (CS-DAVF) is an abnormal arteriovenous communication involving the dura mater within or near the CS wall. The dural arteries from the internal carotid artery and external carotid artery supply the CS-DAVF, and the superior ophthalmic vein (SOV) and inferior petrous sinus (IPS) are frequent venous drainers. In CS-DAVF cases, high-risk lesions require treatment. Endovascular treatment (EVT) has been the first-line option for CS-DAVFs. To our knowledge, a review of the EVT of CS-DAVFs is lacking. Therefore, in this paper, we review the available literature on this issue. In addition, some illustrative cases are also provided to more concisely expound the EVT of CS-DAVFs. According to the recent literature, transvenous embolization via the IPS is considered the most effective method for EVT of CS-DAVFs. In addition, the transorbital approach is another reasonable choice. Other venous approaches can also be tried. Because of the low cure rate, transarterial embolization for CS-DAVFs is limited to only highly selected patients. In the EVT of CS-DAVFs, various agents have been used, including coil, Onyx, and n-butyl cyanoacrylate, with coil being the preferred one. In addition, when EVT cannot obliterate the CS-DAVF, stereotactic radiotherapy may be considered. In general, despite various complications, EVT is a feasible and effective method to manage CS-DAVFs by way of various access routes and can yield a good prognosis.
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Affiliation(s)
- Kun Hou
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Guichen Li
- Department of Neurology, The First Hospital of Jilin University, Changchun, 130021, China
| | - Tengfei Luan
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Kan Xu
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Jinlu Yu
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
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Kotsugi M, Nakagawa I, Takamura Y, Wada T, Kichikawa K, Nakase H. Transarterial Embolization of Dural Arteriovenous Fistula in Superior Sagittal Sinus Under Bilateral External Carotid Artery Flow Control: Technical Note. World Neurosurg 2019; 130:227-230. [PMID: 31295596 DOI: 10.1016/j.wneu.2019.07.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 06/29/2019] [Accepted: 07/01/2019] [Indexed: 11/28/2022]
Abstract
BACKGROUND Transarterial embolization (TAE) using liquid embolic material is a standard treatment for non-sinus-type dural arteriovenous fistula (DAVF). However, to reach embolic material over a shunt point for complete obliteration of DAVF is often difficult. We present a technical case report of the efficacy of bilateral external carotid artery (ECA) flow control for the TAE of superior sagittal sinus DAVF. CASE DESCRIPTION A 64-year-old man presented with dizziness and left hemiparesis. Computed tomography imaging showed right parietal subcortical hemorrhage, and cerebral angiography revealed a DAVF in the superior sagittal sinus fed by bilateral occipital artery, bilateral superficial temporal artery and bilateral middle meningeal artery (MMA), with cortical venous reflux and without connection to the superior sagittal sinus. We therefore planned TAE using glue via MMA under bilateral ECA flow control. A 7-Fr balloon guide catheter was positioned in the bilateral ECA origins, and a microcatheter was introduced distal to the MMA. Heated 20% n-butyl-2-cyanoacrylate was slowly injected via the left MMA under bilateral ECA origin flow control. The n-butyl-2-cyanoacrylate reached the shunt point and obliterated the shunt in a single session. The patient was discharged without neurological symptoms. CONCLUSIONS Bilateral ECA flow control using balloon guide catheter is safe and effective for a DAVF in the superior sagittal sinus with multiple and tortuous scalp feeders.
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Affiliation(s)
- Masashi Kotsugi
- Department of Neurosurgery, Nara Medical University, Nara, Japan
| | - Ichiro Nakagawa
- Department of Neurosurgery, Nara Medical University, Nara, Japan.
| | | | - Takeshi Wada
- Department of Radiology, Nara Medical University, Nara, Japan
| | | | - Hiroyuki Nakase
- Department of Neurosurgery, Nara Medical University, Nara, Japan
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Guo Y, Chen H, Chen X, Yu J. Clinical importance of the occipital artery in vascular lesions: A review of the literature. Neuroradiol J 2019; 32:366-375. [PMID: 31188082 DOI: 10.1177/1971400919857245] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The occipital artery (OA) is a critical artery in vascular lesions. However, a comprehensive review of the importance of the OA is currently lacking. In this study, we used the PubMed database to perform a review of the literature on the OA to increase our understanding of its role in vascular lesions. We also provided our typical cases to illustrate the importance of the OA. The OA has several variations. For example, it may arise from the internal carotid artery or anastomose with the vertebral artery. Therefore, the OA may provide a crucial collateral vascular supply source and should be preserved in these cases. The OA is a good donor artery. Consequently, it is used in extra- to intracranial bypasses for moyamoya disease (MMD) or aneurysms. The OA can be involved in dural arteriovenous fistula (DAVF) and is a feasible artery for the embolisation of DAVF. True aneurysms and pseudoaneurysms can occur in the OA; surgical resection and embolisation are the effective treatment approaches. Direct high-flow AVF can occur in the OA; embolisation treatment is a good option in such cases. The OA can also be involved in MMD and brain arteriovenous malformation (AVM) by forming transdural collaterals. For a patient in the prone position, if occipital and suboccipital craniotomies are performed, the OA can also be used for intraoperative angiography. In brief, the OA is a very important artery in vascular lesions.
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Affiliation(s)
- Yunbao Guo
- Department of Neurosurgery, The First Hospital of Jilin University, PR China
| | - Hao Chen
- Department of Neurosurgery, The First Hospital of Jilin University, PR China
| | - Xuan Chen
- Department of Neurosurgery, The First Hospital of Jilin University, PR China
| | - Jinlu Yu
- Department of Neurosurgery, The First Hospital of Jilin University, PR China
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Wang G, Yu J, Hou K, Guo Y, Yu J. Clinical importance of the posterior meningeal artery: a review of the literature. Neuroradiol J 2019; 32:158-165. [PMID: 30924401 DOI: 10.1177/1971400919840843] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The posterior meningeal artery, which arises from the vertebral artery, is a critical artery in neurological lesions. However, a comprehensive review of the importance of the posterior meningeal artery is currently lacking. In this study, we used the PubMed database to perform a review of the literature on the posterior meningeal artery to increase our understanding of its role in vascular lesions. The posterior meningeal artery provides the main blood supply to the paramedial and medial portions of the dura covering the cerebellar convexity. The posterior meningeal artery is often involved in dural arteriovenous fistulas occurring near the posterior fossa, and the posterior meningeal artery can be the path for transarterial embolisation or a path through which to monitor the degree of dural arteriovenous fistula embolisation. In posterior circulation ischaemia and moyamoya disease, the posterior meningeal artery can form transdural anastomoses with pial arteries at the surface of the brain, and these can help prevent ischemia. The posterior meningeal artery can also develop aneurysms, most of which are traumatic pseudoaneurysms; patients should therefore be treated in a timely manner or followed up carefully in cases of rebleeding. In addition, during a craniotomy, the posterior meningeal artery should be protected intraoperatively to avoid damaging any transdural anastomosis that may be present. In addition, when the posterior meningeal artery is the main feeding artery of an intracranial tumour, that artery is a satisfactory path for preoperative embolisation. Briefly, the posterior meningeal artery is a very important artery in neurosurgery.
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Affiliation(s)
- Guangming Wang
- 1 Department of Neurosurgery, The First Hospital of Jilin University, China
| | - Jing Yu
- 2 Department of Operation Room, The First Hospital of Jilin University, China
| | - Kun Hou
- 1 Department of Neurosurgery, The First Hospital of Jilin University, China
| | - Yunbao Guo
- 1 Department of Neurosurgery, The First Hospital of Jilin University, China
| | - Jinlu Yu
- 1 Department of Neurosurgery, The First Hospital of Jilin University, China
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Hou K, Ji T, Guo Y, Xu B, Xu K, Yu J. Current Status of Endovascular Treatment for Dural Arteriovenous Fistulas in the Superior Sagittal Sinus Region: A Systematic Review of the Literature. World Neurosurg 2019; 122:133-143. [DOI: 10.1016/j.wneu.2018.10.145] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2018] [Revised: 10/19/2018] [Accepted: 10/22/2018] [Indexed: 10/27/2022]
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Relationship between Injection Rate and Contrast Enhancement on Three-dimensional Digital Subtraction Angiography of the Cerebral Arteries. J Belg Soc Radiol 2018; 102:76. [PMID: 30533599 PMCID: PMC6284140 DOI: 10.5334/jbsr.1619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Objective: Three-dimensional (3D) digital subtraction angiography (DSA) is becoming a common technique for the assessment of the cerebral arteries. Nevertheless, the injection parameters for each artery are not standardized among institutions. The objective of this study was to analyze the relationship between injection rate and contrast enhancement on 3D DSA of the common carotid artery. Materials and methods: Twenty-four patients who underwent 3D DSA of the common carotid artery from June 2013 to March 2015 were included in this retrospective study. Contrast enhancement of each patient was analyzed for four cerebral arteries segments (A1, A2, M1 and M2) by measuring the average pixel value on the source rotational two-dimensional DSA images. Linear regression analysis was used to investigate the correlation between injection rate and contrast enhancement. Results: All four regression lines showed that a higher injection rate led to higher contrast enhancement. There was a significant relationship for the A1, A2 and M1 segments (P = 0.008, 0.03 and < 0.001) but not for the M2 segment (P = 0.13). The goodness-of-fit of the regression lines was high for the M1 segment (R2 = 0.63). However, as the size of the vascular lumen became narrower, the value for the A1 (R2 = 0.28) and A2 (R2 = 0.19) segments became lower. Conclusion: In 3D DSA of the common carotid artery, contrast enhancement of a relatively wide lumen could be optimized by adjusting the injection rate. However, it is difficult to optimize the contrast enhancement of a relatively narrow lumen only by adjusting the injection rate.
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Xu K, Yang X, Li C, Yu J. Current status of endovascular treatment for dural arteriovenous fistula of the transverse-sigmoid sinus: A literature review. Int J Med Sci 2018; 15:1600-1610. [PMID: 30588182 PMCID: PMC6299407 DOI: 10.7150/ijms.27683] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Accepted: 09/14/2018] [Indexed: 12/27/2022] Open
Abstract
Most intracranial dural arteriovenous fistulae (DAVFs) involve the transverse-sigmoid sinus (TSS), and various types of endovascular treatment (EVT) have been involved in managing TSS DAVFs. A current, comprehensive review of the EVT of TSS DAVFs is lacking. This study used the PubMed database to perform a literature review on TSS DAVFs to increase the current understanding of this condition. For high-grade TSS DAVFs such as Borden type 3, the goal of EVT is curative treatment. However, for low-grade TSS DAVFs such as Borden type 1 and some Borden type 2 TSS DAVFs, symptom relief or elimination of cortical reflux may be sufficient. Currently, EVT has become the first-line treatment for TSS DAVFs, including transarterial embolization (TAE), transvenous embolization (TVE) or both. TAE alone and TSS balloon-assisted TAE are also commonly used. However, TVE for TSS DAVFs is recognized as the most effective treatment, including coil direct packing TSS, Onyx® (ethylene vinyl alcohol copolymer) TVE, and balloon-assisted Onyx® TVE, which are commonly applied. In addition, TSS reconstructive treatment can be an effective procedure to treat TSS DAVFs. EVT is accompanied with complications, including technique- and treatment-related complications. Although complications may occur, TSS DAVFs have an acceptable prognosis after EVT.
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Affiliation(s)
- Kan Xu
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Xue Yang
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
| | - Chao Li
- Department of Neurology, The First Hospital of Jilin University, Changchun, 130021, China
| | - Jinlu Yu
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, 130021, China
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Shapiro M, Raz E, Litao M, Becske T, Riina H, Nelson PK. Toward a Better Understanding of Dural Arteriovenous Fistula Angioarchitecture: Superselective Transvenous Embolization of a Sigmoid Common Arterial Collector. AJNR Am J Neuroradiol 2018; 39:1682-1688. [PMID: 30115674 DOI: 10.3174/ajnr.a5740] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2018] [Accepted: 06/06/2018] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Our aim was to propose a conceptually new angioarchitectural model of some dural arteriovenous fistulas based on subset analysis of transverse and sigmoid type lesions. The "common collector" notion argues for convergence of multiple smaller caliber arterial vessels on a common arterial collector vessel within the sinus wall. Communication of this single collector (or constellation of terminal collectors) with the sinus proper defines the site of arteriovenous fistula, which can be closed by highly targeted embolization, preserving the sinus and avoiding unnecessary permeation of indirect arterial feeders. MATERIALS AND METHODS One hundred consecutive dural arteriovenous shunts were examined. Thirty-six transverse/sigmoid fistulas were identified within this group and analyzed for the presence of a common arterial collector as well as other parameters, including demographics, grade, treatment approach, and outcome. RESULTS A common collector was identified in nearly all Cognard type I lesions (15 fistulas with 14 single collector vessels seen) and progressively less frequently in higher grade fistulas. Identification of the common collector requires careful angiographic analysis, including supraselective and intraprocedural angiographies during treatment, and final embolic material morphology. CONCLUSIONS Detailed evaluation of imaging studies allows frequent identification of a vascular channel in the sinus wall, which we argue reflects a compound, common arterial channel (rather than a venous collector) with 1 or several discrete fistulous points between this vessel and the sinus proper. Targeted closure of this channel is often feasible, with sinus preservation and avoidance of embolic material penetration into arteries remote from fistula site.
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Affiliation(s)
- M Shapiro
- From the Departments of Radiology (M.S., E.R., H.R., P.K.N.) .,Neurology (M.S., M.L.)
| | - E Raz
- From the Departments of Radiology (M.S., E.R., H.R., P.K.N.)
| | | | - T Becske
- Department of Neurology (T.B.), Rochester Regional Health, Rochester, New York
| | - H Riina
- From the Departments of Radiology (M.S., E.R., H.R., P.K.N.).,Neurosurgery (H.R., P.K.N.), NYU School of Medicine, New York, New York
| | - P K Nelson
- From the Departments of Radiology (M.S., E.R., H.R., P.K.N.).,Neurosurgery (H.R., P.K.N.), NYU School of Medicine, New York, New York
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Kiyosue H, Tanoue S, Hongo N, Sagara Y, Mori H. Artery of the Superior Orbital Fissure: An Undescribed Branch from the Pterygopalatine Segment of the Maxillary Artery to the Orbital Apex Connecting with the Anteromedial Branch of the Inferolateral Trunk. AJNR Am J Neuroradiol 2015. [PMID: 26206808 DOI: 10.3174/ajnr.a4331] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Some branches of the internal maxillary artery have anastomoses with the inferolateral trunk that are important as intracranial-extracranial collateral pathways and as dangerous anastomoses for transarterial embolization of these branches. We present here an undescribed branch potentially anastomosing with the anteromedial branch of the inferolateral trunk, which is provisionally named the artery of the superior orbital fissure, defined as an arterial branch from the pterygopalatine segment of the maxillary artery to the orbital apex at the superior orbital fissure. MATERIALS AND METHODS Two neuroradiologists reviewed 3D and MPR images of the external and/or common carotid artery with particular interest paid to the artery of the superior orbital fissure in 54 patients who underwent 3D angiography with a field of view covering the pterygopalatine fossa and the cavernous sinus. The underlying diseases in these patients were 17 parasellar hypervascular lesions (including 13 cavernous sinus dural arteriovenous fistulas and 4 meningiomas), 18 internal carotid artery stenoses/occlusions, and 19 other diseases. RESULTS The artery of the superior orbital fissure was identified in 20 of 54 patients; it arose at the pterygopalatine segment of the maxillary artery, either singly or from a common trunk with the artery of the foramen rotundum, and ran upward to reach the superior orbital fissure. It anastomosed with the anteromedial branch of the inferolateral trunk at the superior orbital fissure with blood flow toward the cavernous sinus (n = 14) and/or the ophthalmic artery (n = 2). It was more prominent in parasellar hypervascular lesions and internal carotid artery stenoses/occlusions than in other diseases. CONCLUSIONS The artery of the superior orbital fissure, a remnant of the anastomotic artery, was often identified, especially in patients with parasellar hypervascular lesions.
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Affiliation(s)
- H Kiyosue
- From the Department of Radiology, Oita University Faculty of Medicine, Oita, Japan.
| | - S Tanoue
- From the Department of Radiology, Oita University Faculty of Medicine, Oita, Japan
| | - N Hongo
- From the Department of Radiology, Oita University Faculty of Medicine, Oita, Japan
| | - Y Sagara
- From the Department of Radiology, Oita University Faculty of Medicine, Oita, Japan
| | - H Mori
- From the Department of Radiology, Oita University Faculty of Medicine, Oita, Japan
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Kiyosue H, Tanoue S, Hori Y, Hongo N, Mori H. Shunted pouches of cavernous sinus dural AVFs: evaluation by 3D rotational angiography. Neuroradiology 2014; 57:283-90. [PMID: 25471664 DOI: 10.1007/s00234-014-1474-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Accepted: 11/25/2014] [Indexed: 12/01/2022]
Abstract
INTRODUCTION The aims of this study were to evaluate the angioarchitecture of cavernous sinus dural arteriovenous fistulas (CSdAVFs), including the number and location of shunted pouches (SPs), and to evaluate whether the location and number of the SPs affect the outcomes of transvenous embolization of CSdAVFs. METHODS Nineteen consecutive cases of CSdAVFs that underwent rotational angiography and transvenous embolization were reviewed. Multiplanar reconstruction images of rotational angiography and selective angiography were reviewed with particular interest in the SPs. Relationships of the locations and number of SPs with the results of transvenous embolization were statistically analyzed. RESULTS All cases showed SPs, with numbers ranging from 1 to 4 (mean, 2.2). The location of the SPs was "posteromedial" in 16, "posterolateral" in 13, "lateral" in 6, and "medial" in 3 patients. Six cases showed posteromedial SPs alone, and three cases showed posterolateral SPs alone. The other 10 cases showed multiple locations of SPs. All cases were treated by transvenous embolization with sinus packing (n = 11) or selective embolization of the SP (n = 8). Complete occlusion of dAVF was obtained in 16 cases immediately after embolization. Locations of SPs and drainage types were significantly associated with the immediate angiographic results (p < 0.01). CONCLUSION The SP of CSdAVFs is often multiple and is located posteriorly to the CS. The number and location of SPs affect immediate angiographic results of transvenous embolization.
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Affiliation(s)
- Hiro Kiyosue
- Department of Radiology, Oita University Faculty of Medicine, 1-1 Idaigaoka, Hasama, Yufu City, Oita, Japan, 879-5593,
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Fusion imaging using subtracted and unsubtracted rotational angiography for pretherapeutic evaluation of dural arteriovenous fistulas. Jpn J Radiol 2014; 32:600-7. [DOI: 10.1007/s11604-014-0351-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2014] [Accepted: 08/06/2014] [Indexed: 10/24/2022]
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