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Vivanco-Suarez J, Mendez-Ruiz A, Farooqui M, Bekelis K, Singer JA, Javed K, Altschul DJ, Fifi JT, Matsoukas S, Cooper J, Al-Mufti F, Gross B, Jankowitz B, Kan PT, Hafeez M, Orru E, Dajles A, Galecio-Castillo M, Zevallos CB, Wakhloo AK, Ortega-Gutierrez S. Safety and efficacy of the surpass streamline for intracranial aneurysms (SESSIA): A multi-center US experience pooled analysis. Interv Neuroradiol 2023; 29:589-598. [PMID: 35934939 PMCID: PMC10549718 DOI: 10.1177/15910199221118148] [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: 05/03/2022] [Revised: 07/09/2022] [Accepted: 07/17/2022] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND AND PURPOSE Flow diversion has established as standard treatment for intracranial aneurysms, the Surpass Streamline is the only FDA-approved braided cobalt/chromium alloy implant with 72-96 wires. We aimed to determine the safety and efficacy of the Surpass in a post-marketing large United States cohort. MATERIALS AND METHODS This is a retrospective multicenter study of consecutive patients treated with the Surpass for intracranial aneurysms between 2018 and 2021. Baseline demographics, comorbidities, and aneurysm characteristics were collected. Efficacy endpoint included aneurysm occlusion on radiographic follow-up. Safety endpoints were major ipsilateral ischemic stroke or treatment-related death. RESULTS A total of 277 patients with 314 aneurysms were included. Median age was 60 years, 202 (73%) patients were females. Hypertension was the most common comorbidity in 156 (56%) patients. The most common location of the aneurysms was the anterior circulation in 89% (279/314). Mean aneurysm dome width was 5.77 ± 4.75 mm, neck width was 4.22 ± 3.83 mm, and dome/neck ratio was 1.63 ± 1.26. Small-sized aneurysms were 185 (59%). Single device was used in 94% of the patients, mean number of devices per patient was 1.06. At final follow-up, complete obliteration rate was 81% (194/239). Major stroke and death were encountered in 7 (3%) and 6 (2%) cases, respectively. CONCLUSION This is the largest cohort study using a 72-96 wire flow diverter. The Surpass Streamline demonstrated a favorable safety and efficacy profile, making it a valuable option for treating not only large but also wide-necked small and medium-sized intracranial aneurysms.
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Affiliation(s)
- Juan Vivanco-Suarez
- Department of Neurology, Neurosurgery & Radiology, The University of Iowa Hospitals and Clinics, Iowa City, IA, United States
| | - Alan Mendez-Ruiz
- Department of Neurology, Neurosurgery & Radiology, The University of Iowa Hospitals and Clinics, Iowa City, IA, United States
| | - Mudassir Farooqui
- Department of Neurology, Neurosurgery & Radiology, The University of Iowa Hospitals and Clinics, Iowa City, IA, United States
| | - Kimon Bekelis
- Department of Neurological Surgery, Good Samaritan Hospital Medical Center, West Islip, NY, United States
| | - Justin A Singer
- Department of Neurological Surgery, Spectrum Health, Grand Rapids, MI, United States
| | - Kainaat Javed
- Department of Neurological Surgery, Montefiore Medical Center, Bronx, NY, United States
| | - David J Altschul
- Department of Neurological Surgery, Montefiore Medical Center, Bronx, NY, United States
| | - Johanna T Fifi
- Department of Neurological Surgery, The Mount Sinai Hospital, New York, NY, United States
| | - Stavros Matsoukas
- Department of Neurological Surgery, The Mount Sinai Hospital, New York, NY, United States
| | - Jared Cooper
- Department of Neurology, Neurosurgery & Radiology, Westchester Medical Center and New York Medical College, Valhalla, NY, United States
| | - Fawaz Al-Mufti
- Department of Neurology, Neurosurgery & Radiology, Westchester Medical Center and New York Medical College, Valhalla, NY, United States
| | - Bradley Gross
- Department of Endovascular Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, United States
| | - Brian Jankowitz
- Department of Endovascular Neurological Surgery, University of Pittsburgh Medical Center, Pittsburgh, PA, United States
| | - Peter T Kan
- Department of Neurological Surgery, University of Texas Medical Branch, Galveston, TX, United States
| | - Muhammad Hafeez
- Department of Neurological Surgery, University of Texas Medical Branch, Galveston, TX, United States
| | - Emanuele Orru
- Department of Interventional Neuroradiology, Lahey Hospital & Medical Center, Burlington, MA, United States
| | - Andres Dajles
- Department of Neurology, Neurosurgery & Radiology, The University of Iowa Hospitals and Clinics, Iowa City, IA, United States
| | - Milagros Galecio-Castillo
- Department of Neurology, Neurosurgery & Radiology, The University of Iowa Hospitals and Clinics, Iowa City, IA, United States
| | - Cynthia B Zevallos
- Department of Neurology, Neurosurgery & Radiology, The University of Iowa Hospitals and Clinics, Iowa City, IA, United States
| | - Ajay K Wakhloo
- Department of Interventional Neuroradiology, Lahey Hospital & Medical Center, Burlington, MA, United States
| | - Santiago Ortega-Gutierrez
- Department of Neurology, Neurosurgery & Radiology, The University of Iowa Hospitals and Clinics, Iowa City, IA, United States
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Cler SJ, Lauzier DC, Chatterjee AR, Osbun JW, Moran CJ, Kansagra AP. Time Line of Occlusion for Intracranial Aneurysms Treated with the Pipeline Embolization Device. World Neurosurg 2022; 166:e750-e757. [PMID: 35931339 DOI: 10.1016/j.wneu.2022.07.084] [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: 06/03/2022] [Revised: 07/16/2022] [Accepted: 07/18/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Rates of aneurysm occlusion following treatment with flow-diverting stents have been quantified at predefined time points in clinical trials, but data characterizing the continuous temporal progression of aneurysm occlusion are lacking. This study used real-world variability in timing of angiographic follow-up to characterize the time line of aneurysm occlusion following treatment with the Pipeline embolization device (PED). METHODS All aneurysms treated with a PED at our institution between 2011 and 2020 were screened. Nonsaccular or ruptured aneurysms were excluded. Aneurysm occlusion status and time since treatment were recorded for each follow-up angiogram. Aneurysm occlusion was characterized using Kaplan-Meier and Cox proportional hazards analysis after censoring at last follow-up or subsequent treatment. RESULTS There were 290 aneurysms in 222 patients analyzed. The median time of observed aneurysm occlusion was 7.5 months, and overall rate of aneurysm occlusion was 77.9%. Larger aneurysms demonstrated a longer median time to occlusion and lower rate of aneurysm occlusion (P = 0.029). There were no observed differences in the time line of occlusion for aneurysms treated with a single PED or multiple PEDs (P = 0.889) or without or with adjunctive coiling (P = 0.771). CONCLUSIONS Aneurysms treated with a PED had a median time to observed occlusion of 7.5 months. Occlusion of larger aneurysms occurred more slowly than occlusion of smaller aneurysms following flow diversion. The number of PEDs deployed or the use of adjunctive coiling did not affect the time line or likelihood of aneurysm occlusion. These findings may guide optimal timing of follow-up after treatment with a PED.
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Affiliation(s)
- Samuel J Cler
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA.
| | - David C Lauzier
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Arindam R Chatterjee
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA; Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri, USA; Department of Neurology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Joshua W Osbun
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA; Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri, USA; Department of Neurology, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Christopher J Moran
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA; Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri, USA
| | - Akash P Kansagra
- Mallinckrodt Institute of Radiology, Washington University School of Medicine, St. Louis, Missouri, USA; Department of Neurological Surgery, Washington University School of Medicine, St. Louis, Missouri, USA; Department of Neurology, Washington University School of Medicine, St. Louis, Missouri, USA; California Center for Neurointerventional Surgery, San Diego, California, USA
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3
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Waqas M, Monteiro A, Cappuzzo JM, Tutino VM, Levy EI. Evolution of the patient-first approach: a dual-trained, single-neurosurgeon experience with 2002 consecutive intracranial aneurysm treatments. J Neurosurg 2022; 137:1751-1757. [PMID: 35364567 DOI: 10.3171/2022.2.jns22105] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 02/10/2022] [Indexed: 11/06/2022]
Abstract
OBJECTIVE The paradigm for intracranial aneurysm (IA) treatment is shifting toward a hybrid approach involving open and endovascular techniques. The authors chronicled the evolution of IA treatment by retrospectively examining a large series of IA cases treated by a single dual-trained neurosurgeon, focusing on evolving technology relative to the choice of treatment options, perioperative morbidity, and mortality. METHODS The aneurysm database at the authors' institution was searched to identify consecutive patients treated with endovascular or open microsurgical approaches by one neurosurgeon during an 18-year time span. Patients were included regardless of IA rupture status, location or morphology, or treatment modality. Data collected were baseline clinical characteristics, aneurysm size, treatment modality, operative complications, in-hospital mortality, and retreatment rate. RESULTS A total of 1858 patients with 2002 IA treatments were included in the study. Three-hundred fifty IAs (17.5%) were ruptured. Open microsurgery was performed in 504 aneurysms (25.2%) and endovascular surgery in 1498 (74.8%). Endovascular IA treatments trended toward a growing use of flow diversion during the last 11 years. In-hospital mortality was 1.7% overall, including 7.0% in ruptured and 0.5% in unruptured cases. The overall complication rate was 3.3%, including 3.4% for microsurgical cases and 3.3% for endovascular cases. The rate of retreatment was 3.6% after clipping and 10.7% for endovascular treatment. CONCLUSIONS This study demonstrates complementary use of open and endovascular approaches for IA treatment. By customizing treatment to the patient, comparable rates of procedural complications, mortality, and retreatment were achieved for both endovascular and microsurgical approaches.
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Affiliation(s)
- Muhammad Waqas
- Departments of1Neurosurgery and.,2Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo
| | - Andre Monteiro
- Departments of1Neurosurgery and.,2Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo
| | - Justin M Cappuzzo
- Departments of1Neurosurgery and.,2Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo
| | - Vincent M Tutino
- Departments of1Neurosurgery and.,3Department of Biomedical Engineering and.,4Department of Pathology and Anatomical Sciences, University at Buffalo, State University of New York, Buffalo; and.,5Canon Stroke and Vascular Research Center, University at Buffalo
| | - Elad I Levy
- Departments of1Neurosurgery and.,2Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo.,5Canon Stroke and Vascular Research Center, University at Buffalo.,6Jacobs Institute, Buffalo, New York.,7Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo
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4
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Nagesh SS, Shields A, Wu X, Ionita C, Bednarek D, Rudin S. Simultaneous Biplane High Speed 1000 fps X-ray Angiography (HSAngio). PROCEEDINGS OF SPIE--THE INTERNATIONAL SOCIETY FOR OPTICAL ENGINEERING 2022; 12031:120313Y. [PMID: 35982765 PMCID: PMC9385173 DOI: 10.1117/12.2611554] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
High-speed 1000-fps x-ray Angiography (HSAngio) images can be used to visualize blood-flow patterns and derive flow velocities during neurointerventional procedures. In this work, we present for the very first-time, orthogonal views of contrast injection in an aneurysm model acquired simultaneously using biplane HSAngio imaging. 3-D printed in-vitro models A and B of two different internal carotid-artery aneurysms were connected to a flow loop (circulation fluid: 60% water, 40% glycerol solution, circulation flow rate: 8 L/s). An automatic programmable injector (KD Scientific Legato 110) injected iodine contrast agent at a rate of 88 mL/min for a duration of 3 sec. With an RQA5 spectrum, 1000 fps HSAngio sequences of the contrast injection were acquired simultaneously on the frontal plane using the Actaeon detector (Direct Conversion, Stockholm) and on the lateral plane using the Aries (Direct Conversion, Stockholm) detector. The start of contrast injection and simultaneous biplane x-ray exposures and detector image acquisitions were manually synchronized to capture the initial inflow of contrast into the aneurysm region. For model A the frontal plane images gave a better visualization of the flow streamlines in the parent artery in the inflow (average velocity 28 cm/s) and outflow (average velocity 24 cm/s) region of the aneurysm. The vortices within the aneurysm region especially within the aneurysm dome were better visualized in the lateral plane images (average velocity 27 cm/s). Biplane HSAngio imaging techniques can give more accurate representations of 3-D blood flow within the complex vascular pathology of the human brain, compared to single-plane imaging.
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5
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Werner CD, Mathkour M, Scullen TA, McCormack EP, Lockwood JD, Amenta PS. Transradial access for anterior circulation deployment of pipeline embolization device: A case report, literature review, and technical note. Brain Circ 2021; 7:118-123. [PMID: 34189355 PMCID: PMC8191533 DOI: 10.4103/bc.bc_13_20] [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: 04/02/2020] [Revised: 11/19/2020] [Accepted: 02/22/2021] [Indexed: 11/17/2022] Open
Abstract
Common femoral artery (CFA) transfemoral access (TFA) has been the traditional route for neuroendovascular intervention with flow diversion including the pipeline embolization device (PED) for the treatment of wide-necked aneurysms. Successful deployment requires significant catheter support, thus making alternative access challenging. A 56-year-old-female presented with subarachnoid hemorrhage secondary to a large ruptured posterior communicating artery (PCOM) aneurysm as well as found to have an unruptured left superior cerebellar artery (SCA) aneurysm. Endovascular embolization of PCOM aneurysm via TFA was complicated by a right CFA pseudoaneurysm. The SCA aneurysm was treated 8 weeks later via left TFA with consequent development of a left CFA pseudoaneurysm. Contrasted magnetic resonance angiography revealed recurrence at the neck of the PCOM aneurysm at 4-month follow-up, treated via transradial access (TRA) PED flow diversion to avoid additional groin complications. Anatomic, procedural, and clinical considerations for TRA anterior circulation flow diversion using the PED are reviewed.
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Affiliation(s)
- Cassidy D Werner
- Department of Neurosurgery, Tulane Medical Center, New Orleans, LA, USA
| | - Mansour Mathkour
- Department of Neurosurgery, Tulane Medical Center, New Orleans, LA, USA
| | - Tyler A Scullen
- Department of Neurosurgery, Tulane Medical Center, New Orleans, LA, USA
| | - Erin P McCormack
- Department of Neurosurgery, Tulane Medical Center, New Orleans, LA, USA
| | - Joseph D Lockwood
- Department of Neurosurgery, Tulane Medical Center, New Orleans, LA, USA
| | - Peter S Amenta
- Department of Neurosurgery, Tulane Medical Center, New Orleans, LA, USA
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6
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Vakharia K, Munich SA, Waqas M, Levy EI, Siddiqui AH. Treatment of Anterior Circulation Aneurysms in the Internal Carotid Artery With Flow Diverters. Neurosurgery 2020; 86:S55-S63. [PMID: 31838527 DOI: 10.1093/neuros/nyz315] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Accepted: 05/30/2019] [Indexed: 11/13/2022] Open
Abstract
Several studies have shown the efficacy and feasibility of flow diversion for the endovascular treatment of wide-necked and otherwise anatomically challenging intracranial aneurysms (IA). Technological advances have led to successful long-term occlusion rates and a safety profile for flow-diverter stents that parallels other endovascular and open surgical options for these lesions. With growing indications for use of the Pipeline Embolization Device (PED, Medtronic, Dublin, Ireland) to include IAs up to the internal carotid artery (ICA) terminus, understanding the nuances of this technology is increasingly relevant. Furthermore, there is a growing body of literature on the use of flow diversion to treat distal (up to A2, M2, and P2), ruptured, and posterior circulation aneurysms, although these applications are "off-label" at present. In this manuscript, we discuss the expanding role of flow diversion in the ICA and compare this technique with other endovascular options for the treatment of ICA IAs. We also discuss technical nuances of the deployment of flow diverters for the treatment of challenging lesions and in difficult and tortuous anatomy.
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Affiliation(s)
- Kunal Vakharia
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York
| | - Stephan A Munich
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York
| | - Muhammad Waqas
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York
| | - Elad I Levy
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York.,Department of Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York.,Canon Stroke and Vascular Research Center, University at Buffalo, Buffalo, New York
| | - Adnan H Siddiqui
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York.,Department of Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York.,Canon Stroke and Vascular Research Center, University at Buffalo, Buffalo, New York.,Jacobs Institute, Buffalo, New York
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7
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Domingo RA, Tripathi S, Perez-Vega C, Vivas-Buitrago T, Lu VM, Todnem ND, Quinones-Hinojosa A, Tawk RG. Treatment of posterior circulation non-saccular aneurysms with flow diversion versus stent-assisted coiling: a systematic review and meta-analysis. J Neurointerv Surg 2020; 13:159-163. [PMID: 32651184 DOI: 10.1136/neurintsurg-2020-016294] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 06/09/2020] [Accepted: 06/14/2020] [Indexed: 11/03/2022]
Abstract
Treatment of non-saccular aneurysms of the posterior circulation poses a great challenge with unpredictable outcomes due to the absence of a true aneurysm neck and the presence of perforating vessels. In this article, we aim to compare endovascular treatment of unruptured posterior circulation non-saccular aneurysms with stent-assisted coiling (SAC) and flow diversion (FD) in terms of occlusion rate and clinical outcomes. A systematic search of electronic databases from inception to August 2019 identified 484 articles for screening. After proper inclusion/exclusion criteria, 15 articles were included and data were extracted and analyzed using meta-analysis of proportions. The pooled cohort consisted of 430 aneurysms: 128 (29.7%) treated with SAC in 5 studies and 302 (70.3%) treated with FD in 11 studies. Complete/near-complete occlusion was achieved in 83% after FD (95% CI 0.75 to 0.90; I2=45%) and 84% after SAC (95% CI 0.72 to 0.91; I2=22%), with no significant difference between techniques (p=0.95). Periprocedural complications were observed in 18% after FD (95% CI 0.14 to 0.23; I2=0%) and 6% after SAC (95% CI 0.02 to 0.13; I2=0%); the subgroup analysis was statistically significant (p=0.008). Furthermore, no statistically significant difference was observed in favorable clinical outcomes between groups. These results suggest similar efficacy in occlusion rate and favorable clinical outcome for posterior circulation non-saccular aneurysms treated with SAC and FD. Stroke was the most common complication regardless of treatment modality, and a lower periprocedural complication rate was noted with SAC. Further studies are needed with the primary focus of reducing the risk of stroke with either modality.
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Affiliation(s)
- Ricardo A Domingo
- Neurosurgery, Mayo Clinic Hospital Jacksonville, Jacksonville, Florida, USA
| | | | - Carlos Perez-Vega
- School of Medicine, Monterrey Institute of Technology and Higher Education - Mexico State Campus, Guadalajara, Mexico
| | | | - Victor M Lu
- Neurosurgery, Mayo Clinic, Rochester, Minnesota, USA
| | - Nathan D Todnem
- Neurosurgery, Mayo Clinic Hospital Jacksonville, Jacksonville, Florida, USA
| | | | - Rabih G Tawk
- Neurosurgery, Mayo Clinic Hospital Jacksonville, Jacksonville, Florida, USA
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8
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Setlur Nagesh SV, Vakharia K, Waqas M, Munich SA, Bednarek DR, Davies JM, Snyder KV, Mokin M, Rudin S, Levy EI, Siddiqui AH. Single-center experience of using high definition (Hi-Def) imaging during neurointervention treatment of intracranial aneurysms using flow diverters. J Neurointerv Surg 2020; 12:897-901. [PMID: 32046993 DOI: 10.1136/neurintsurg-2019-015551] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 12/19/2019] [Accepted: 01/05/2020] [Indexed: 11/04/2022]
Abstract
BACKGROUND A new dual resolution imaging x-ray detector system (Canon Medical Systems Corporation, Tochigi, Japan) has a standard resolution 194 µm pixel conventional flat-panel detector (FPD) mode and a high-resolution 76 µm high-definition (Hi-Def) mode in a single unit. The Hi-Def mode enhances the visualization of the intravascular devices. OBJECTIVE We report the clinical experience and physician evaluation of this new detector system with Hi-Def mode for the treatment of intracranial aneurysms using a Pipeline embolization device (PED). METHODS During intervention at our institute, under large field of view (FOV) regular resolution FPD mode imaging, the catheter systems and devices were first guided to the proximity of the treatment area. Final placement and deployment of the PED was performed under Hi-Def mode guidance. A post-procedure 9-question physician survey was conducted to qualitatively assess the impact of Hi-Def mode visualization on physicians' intraoperative decision-making. One-sample t-test was performed on the responses from the survey. Dose values reported by the x-ray unit were also recorded. RESULTS Twenty-five cases were included in our study. The survey results indicated that, for each of the nine questions, the physicians in all cases indicated that the Hi-Def mode improved visualization compared with the FPD mode. For the 25 cases, the mean cumulative entrance air kerma was 2.35 Gy, the mean dose area product (DAP) was 173.71 Gy.cm2, and the mean x-ray exposure time was 39.30 min. CONCLUSIONS The Hi-Def mode improves visualization of flow diverters and may help in achieving more accurate placement and deployment of devices.
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Affiliation(s)
- Swetadri Vasan Setlur Nagesh
- Canon Stroke and Vascular Research Center, UB Neurosurgery, University at Buffalo, State University of New York, Buffalo, New York, USA.,Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States
| | - Kunal Vakharia
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, United States
| | - Muhammad Waqas
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, United States
| | - Stephan A Munich
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, United States
| | - Daniel R Bednarek
- Canon Stroke and Vascular Research Center, UB Neurosurgery, University at Buffalo, State University of New York, Buffalo, New York, USA.,Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States.,Department of Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States
| | - Jason M Davies
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, United States.,Department of Bioinformatics, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, New York, United States
| | - Kenneth V Snyder
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, United States
| | - Maxim Mokin
- Department of Neurosurgery and Brain Repair, University of South Florida, Tampa, Florida, United States
| | - Stephen Rudin
- Canon Stroke and Vascular Research Center, UB Neurosurgery, University at Buffalo, State University of New York, Buffalo, New York, USA.,Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States.,Department of Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States.,Department of Biomedical Engineering, University at Buffalo, Buffalo, New York, United States.,Department of Mechanical and Aerospace Engineering, University at Buffalo, Buffalo, New York, United States.,Department of Electrical Engineering, University at Buffalo, Buffalo, New York, United States
| | - Elad I Levy
- Canon Stroke and Vascular Research Center, UB Neurosurgery, University at Buffalo, State University of New York, Buffalo, New York, USA.,Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, United States.,Department of Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States
| | - Adnan H Siddiqui
- Canon Stroke and Vascular Research Center, UB Neurosurgery, University at Buffalo, State University of New York, Buffalo, New York, USA .,Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States.,Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, United States.,Department of Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, United States
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9
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Sweid A, Starke RM, Herial N, Chalouhi N, Das S, Baldassari MP, Alexander TD, Tjoumakaris S, Gooch MR, Hasan D, Rosenwasser RH, Romo V, Jabbour P. Predictors of Complications, Functional Outcome, and Morbidity in a Large Cohort Treated With Flow Diversion. Neurosurgery 2019; 87:730-743. [DOI: 10.1093/neuros/nyz508] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 09/20/2019] [Indexed: 11/13/2022] Open
Abstract
Abstract
BACKGROUND
A dramatic improvement in obliteration rates of large, wide-necked aneurysms has been observed after the FDA approved the Pipeline Embolization Device (PED) in 2011.
OBJECTIVE
To assess the predictors of complications, morbidity, and unfavorable outcomes in a large cohort of patients with aneurysms treated with PED.
METHODS
A retrospective chart review of a prospectively maintained database for subjects treated with flow diversion from 2010 to 2019.
RESULTS
A total of 598 aneurysms were treated during a period extending from 2010 to 2019 (84.28% females, mean age 55.5 yr, average aneurysm size 8.49 mm). Morbidity occurred at a rate of 5.8% and mortality at a rate of 2.2%. Ischemic stroke occurred at a rate of 3%, delayed aneurysmal rupture (DAR) at 1.2%, and distal intraparenchymal hemorrhage (DIPH) at 1.5%. On multivariate analysis, the predictor of stroke was aneurysm size >15 mm. Predictors of DAR were previous subarachnoid hemorrhage (SAH), increasing aneurysm size, and posterior circulation aneurysm. Predictors of DIPH were using more than 1 PED and baseline P2Y12 value. Predictors of in-stent stenosis were the increasing year of treatment and balloon angioplasty, whereas increasing age and previous treatment were negatively associated with in-stent stenosis. Predictors of morbidity were posterior circulation aneurysms, increasing aneurysm size, and hypertension, and incidental aneurysm diagnosis was protective for morbidity.
CONCLUSION
Flow diversion is a safe and effective treatment option for aneurysms. A better understanding of predictive factors of complications, morbidity, and functional outcomes is of high importance for a more accurate risk assessment.
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Affiliation(s)
- Ahmad Sweid
- Department of Neurosurgery, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Robert M Starke
- Department of Neurosurgery, University of Miami Hospital, Miami, Florida
| | - Nabeel Herial
- Department of Neurosurgery, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Nohra Chalouhi
- Department of Neurosurgery, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Somnath Das
- Department of Neurosurgery, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Michael P Baldassari
- Department of Neurosurgery, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Tyler D Alexander
- Department of Neurosurgery, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Stavropoula Tjoumakaris
- Department of Neurosurgery, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - M Reid Gooch
- Department of Neurosurgery, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - David Hasan
- Department of Neurosurgery, University of Iowa, Iowa City, Iowa
| | - Robert H Rosenwasser
- Department of Neurosurgery, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Victor Romo
- Department of Anesthesia, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
| | - Pascal Jabbour
- Department of Neurosurgery, Jefferson Hospital for Neuroscience, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania
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10
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Vakharia K, Waqas M, Munich SA, Lim J, Gong A, Chin F, Snyder KV, Siddiqui AH, Levy EI. Is Contrast Stasis After Pipeline Embolization Device Deployment Associated with Higher Aneurysm Occlusion Rates? World Neurosurg 2019; 133:e434-e442. [PMID: 31525478 DOI: 10.1016/j.wneu.2019.09.032] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/06/2019] [Accepted: 09/07/2019] [Indexed: 11/16/2022]
Abstract
OBJECTIVE To assess the association of degree of contrast stasis in intracranial aneurysms (IAs) immediately after Pipeline embolization device (PED; Medtronic, Dublin, Ireland) deployment with 6- and 12-month angiographic occlusion rates. METHODS This retrospective cohort study included consecutive patients undergoing PED deployment for saccular IA treatment at a large-volume cerebrovascular center over a 4-year 9-month period. Angiographic images obtained immediately after PED deployment were graded according to amount of intra-aneurysmal contrast flow during the late venous phase: 0 = no stasis; 1 = <50% contrast stasis; 2 = 50%-75% stasis; and 3 = >75%-99% stasis. Follow-up occlusion rates were determined by digital subtraction angiography, computed tomographic angiography, or magnetic resonance angiography. RESULTS The study included 119 patients in whom 182 PEDs were deployed to treat 141 aneurysms. A single PED was deployed in 105 (74.5%) aneurysms. The internal carotid artery was the commonest aneurysm site (119 [85%]). Fifty-two (36.9%) aneurysms were grade 0; 33 (23.4%) were grade 1; 46 (32.6%) were grade 2; and 10 (7.1%) were grade 3 immediately post-treatment. A 6-month follow-up angiogram available for 101 aneurysms showed complete occlusion (no flow into the aneurysm) in 74 (73.3%) aneurysms. A 12-month follow-up study available for 132 aneurysms showed complete occlusion in 79.5%. At last follow-up, occlusion rates were not significantly different for different contrast stasis grades (P = 0.60). Mean angiographic follow up for all IAs was 23v±v17.7 months. IA size, sex, age, and smoking were not significant predictors of occlusion. CONCLUSIONS The degree of aneurysm contrast stasis immediately after PED deployment is not statistically associated with 6- and 12-month angiographic occlusion rates.
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Affiliation(s)
- Kunal Vakharia
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, USA
| | - Muhammad Waqas
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, USA
| | - Stephan A Munich
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, USA
| | - Jaims Lim
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, USA
| | - Andrew Gong
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, USA; Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA
| | - Felix Chin
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, USA
| | - Kenneth V Snyder
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, USA; Department of Neurology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Canon Stroke and Vascular Research Center, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Jacobs Institute, Buffalo, New York, USA
| | - Adnan H Siddiqui
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, USA; Canon Stroke and Vascular Research Center, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Jacobs Institute, Buffalo, New York, USA
| | - Elad I Levy
- Department of Neurosurgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York, USA; Canon Stroke and Vascular Research Center, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA; Department of Radiology, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, New York, USA.
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11
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Hanel RA, Kallmes DF, Lopes DK, Nelson PK, Siddiqui A, Jabbour P, Pereira VM, Szikora István I, Zaidat OO, Bettegowda C, Colby GP, Mokin M, Schirmer C, Hellinger FR, Given Ii C, Krings T, Taussky P, Toth G, Fraser JF, Chen M, Priest R, Kan P, Fiorella D, Frei D, Aagaard-Kienitz B, Diaz O, Malek AM, Cawley CM, Puri AS. Prospective study on embolization of intracranial aneurysms with the pipeline device: the PREMIER study 1 year results. J Neurointerv Surg 2019; 12:62-66. [PMID: 31308197 PMCID: PMC6996098 DOI: 10.1136/neurintsurg-2019-015091] [Citation(s) in RCA: 161] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Revised: 06/19/2019] [Accepted: 06/21/2019] [Indexed: 11/25/2022]
Abstract
Background Preliminary clinical studies on the safety and efficacy of the pipeline embolization device (PED) for the treatment of small/medium aneurysms have demonstrated high occlusion rates with low complications. Objective To evaluate the safety and effectiveness of the PED for treatment of wide necked small and medium intracranial aneurysms. Methods PREMIER is a prospective, multicenter, single arm trial. Patients were treated with the PED for unruptured wide necked aneurysms, measuring ≤12 mm along the internal carotid artery or vertebral artery, between July 2014 and November 2015. At 1 year post-procedure, the primary effectiveness endpoint was complete occlusion (Raymond grade 1) without major parent vessel stenosis (≤50%) or retreatment, and the primary safety endpoint was major stroke in the territory supplied by the treated artery or neurologic death. Results A total of 141 patients were treated with PEDs (mean age 54.6±11.3 years, 87.9% (124/141) women). Mean aneurysm size was 5.0±1.92 mm, and 84.4% (119/141) measured <7 mm. PED placement was successful in 99.3% (140/141) of patients. Mean number of PEDs implanted per patient was 1.1±0.26; a single PED was used in 92.9% (131/141) of patients. At 1 year, 97.9% (138/141) of patients underwent follow-up angiography with 76.8% (106/138) of patients having met the study’s primary effectiveness endpoint. The combined major morbidity and mortality rate was 2.1% (3/140). Conclusions Treatment of wide necked small/medium aneurysms with the PED results in high rates of complete occlusion without significant parent vessel stenosis and low rates of permanent neurologic complications. Trial registration NCT02186561.
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Affiliation(s)
- Ricardo A Hanel
- Baptist Neurological Institute, Lyerly Neurosurgery, Jacksonville, Florida, USA
| | - David F Kallmes
- Departments of Neurosurgery and Radiology, Mayo Clinic, Rochester, Minnesota, USA
| | | | - Peter Kim Nelson
- Interventional Radiology, New York University Langone Medical Center, New York, New York, USA
| | - Adnan Siddiqui
- Departments of Neurosurgery and Radiology, University at Buffalo Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York, USA
| | - Pascal Jabbour
- Department of Neurosurgery, Thomas Jefferson University Hospital, Philadelphia, Pennsylvania, USA
| | - Vitor M Pereira
- Departments of Medical Imaging and Surgery, Division of Neuroradiology and Neurosurgery, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Istvan Szikora István
- Department of Neuroradiology, National Institute of Neurosciences, Budapest, Hungary
| | - Osama O Zaidat
- Neuroscience Institute, St Vincent Mercy Hospital, Toledo, Ohio, USA
| | - Chetan Bettegowda
- Department of Neurosurgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - Geoffrey P Colby
- Department of Neurosurgery, University of California Los Angeles, Los Angeles, California, USA
| | - Maxim Mokin
- Department of Neurosurgery, University of South Florida, Tampa, Florida, USA
| | - Clemens Schirmer
- Department of Neurological Surgery, Geisinger Clinic, Danville, Pennsylvania, USA
| | - Frank R Hellinger
- Department of Radiology, Florida Hospital Neuroscience Institute, Winter Park, Florida, USA
| | - Curtis Given Ii
- Department of Radiology, Baptist Health Lexington, Lexington, Kentucky, USA
| | - Timo Krings
- Department of Medical Imaging, Toronto Western Hospital, Toronto, Ontario, Canada
| | - Philipp Taussky
- Department of Neurosurgery, University of Utah, Salt Lake City, Utah, USA
| | - Gabor Toth
- Cerebrovascular Center, Cleveland Clinic, Cleveland, Ohio, USA
| | - Justin F Fraser
- Department of Neurological Surgery, University of Kentucky, Lexington, Kentucky, USA
| | - Michael Chen
- Department of Neurological Surgery, Rush University Medical Center, Chicago, Illinois, USA
| | - Ryan Priest
- Charles T Dotter Department of Interventional Radiology, Dotter Interventional Institute, Oregon Health and Science University, Portland, Oregon, USA
| | - Peter Kan
- Department of Neurosurgery, Baylor College of Medicine, Houston, Texas, USA
| | - David Fiorella
- Department of Neurosurgery, Cerebrovascular Center, Stony Brook University, Stony Brook, New York, USA
| | - Don Frei
- Department of Neuroradiology, Swedish Medical Center, Denver, Colorado, USA
| | - Beverly Aagaard-Kienitz
- Department of Neurological Surgery, University of Wisconsin Madison School of Medicine and Public Health, Madison, Wisconsin, USA
| | - Orlando Diaz
- Division of Interventional Neuroradiology, Houston Methodist Research Institute, Houston, Texas, USA
| | - Adel M Malek
- Department of Neurosurgery, Tufts Medical Center, Tufts University School of Medicine, Boston, Massachusetts, USA
| | - C Michael Cawley
- Departments of Neurointerventional Radiology and Neurosurgery, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Ajit S Puri
- New England Center for Stroke Research, Department of Radiology, University of Massachusetts Medical School, Worcester, Massachusetts, USA
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12
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Barletta EA, Gaspar RHML, Araújo JFM, Neves MWF, de Aquino JLB, Belsuzarri TAB. Nonsaccular aneurysms: A wide comparison between the four main types. Surg Neurol Int 2019; 10:30. [PMID: 31528368 PMCID: PMC6499464 DOI: 10.4103/sni.sni_138_18] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 08/20/2018] [Indexed: 11/24/2022] Open
Abstract
Background: The present study aims to present the most important considerations when it comes to patients features, clinical presentation, localization, morphology, pathogenesis, and the best treatment for each type of the nonsaccular aneurysms. Methods: We performed a literature review using PubMed. The search was limited to the studies published in English, from 2010 to 2017. Results: Data about the clinical presentation; the aneurysm pathogenesis, morphology, and localization; the patient features; and about the surgical or endovascular approach were analyzed for the four types of nonsaccular aneurysms presented. Conclusion: All types of nonsaccular aneurysms have a higher prevalence in young adults. Men are more affected by fusiform and mycotic aneurysms while women suffer more with blister-like aneurysms (BLAs). The mycotic and the BLAs affect more the anterior circulation while the fusiform affects more the posterior circulation. Mycotic and blister-like has as its major complication and clinical presentation the hemorrhage; however, the fusiform aneurysms usually present ischemia and/or mass effect. The reconstructive endovascular techniques for all types of nonsaccular aneurysms presented as the treatment with the best outcomes. Among this technique, the flow diversion presented good results in all types of aneurysms and it seems to promote the best outcomes.
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Affiliation(s)
| | | | | | | | | | - Telmo Augusto Barba Belsuzarri
- Medicine Student from Pontifical Catholic University of Campinas, Campinas, SP, Brazil.,Neurosurgery Department from Pontifical Catholic University of Campinas, Campinas, SP, Brazil.,Post-Graduation Department at Pontifical Catholic University of Campinas, Campinas, SP, Brazil
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13
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Dossani RH, Patra DP, Kosty J, Jumah F, Kuybu O, Mohammed N, Waqas M, Riaz M, Cuellar H. Early Versus Delayed Flow Diversion for Ruptured Intracranial Aneurysms: A Meta-Analysis. World Neurosurg 2019; 126:41-52. [PMID: 30822578 DOI: 10.1016/j.wneu.2019.02.044] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 02/03/2019] [Accepted: 02/05/2019] [Indexed: 10/27/2022]
Abstract
OBJECTIVE The use and timing of flow diversion for aneurysmal subarachnoid hemorrhage is controversial. The objective of this study is to perform a meta-analysis and systematic review to compare overall complication rate between early versus delayed flow diversion for ruptured aneurysms. METHODS A literature search for all eligible articles was performed using PubMed, Cochrane, and Web of Science databases. The primary outcome was the overall complication rate (any complication in the perioperative period), and secondary outcomes were 1) hemorrhage and 2) stroke/death (all hemorrhagic/ischemic strokes and/or death). RESULTS Thirteen articles including 142 patients met inclusion criteria. Eighty-nine (62.7%) patients underwent early deployment of flow diverters (i.e., 2 days or less). The odds ratio for overall complication rate with early versus delayed flow diversion was 0.95 (95% confidence interval [CI] 0.36-2.49, P = 0.42). The odds ratio for the secondary outcome of hemorrhagic complication for early versus delayed flow diversion was 1.44 (95% CI 0.45-4.52, P = 0.87) and of stroke/death was 1.67 (95% CI 0.5-4.9, P = 0.69). The odds ratio of early versus delayed flow diversion for blister/dissecting/fusiform aneurysms was 0.82 (95% CI 0.29-2.30) and for saccular/giant aneurysms was 2.23 (95% CI 0.17-29.4). At last follow-up, 71.6% of patients had good performance status (modified Rankin Scale score 0-2), and the rate of angiographic aneurysm occlusion was 90.2%. CONCLUSIONS This meta-analysis did not show a difference in overall complication rate between early versus delayed flow diversion for ruptured aneurysms. Early flow diversion for ruptured blister/fusiform/dissecting aneurysms carries a lower risk of aneurysm rerupture and overall complications as compared with that for ruptured saccular/giant aneurysms.
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Affiliation(s)
- Rimal Hanif Dossani
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA.
| | - Devi P Patra
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
| | - Jennifer Kosty
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
| | - Fareed Jumah
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
| | - Okkes Kuybu
- Department of Neurology, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
| | - Nasser Mohammed
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
| | - Muhammad Waqas
- Section of Neurosurgery, The Aga Khan University Hospital, Karachi, Pakistan
| | - Muhammad Riaz
- Section of Neurosurgery, The Aga Khan University Hospital, Karachi, Pakistan
| | - Hugo Cuellar
- Department of Neurosurgery, Louisiana State University Health Sciences Center, Shreveport, Louisiana, USA
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14
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Setlur Nagesh SV, Fennel V, Krebs J, Ionita C, Davies J, Bednarek DR, Mokin M, Siddiqui AH, Rudin S. High-Definition Zoom Mode, a High-Resolution X-Ray Microscope for Neurointerventional Treatment Procedures: A Blinded-Rater Clinical-Utility Study. AJNR Am J Neuroradiol 2019; 40:302-308. [PMID: 30591511 DOI: 10.3174/ajnr.a5922] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 11/12/2018] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Quality of visualization of treatment devices during critical stages of endovascular interventions, can directly impact their safety and efficacy. Our aim was to compare the visualization of neurointerventional procedures and treatment devices using a 194-μm pixel flat panel detector mode and a 76-μm pixel complementary metal oxide semiconductor detector mode (high definition) of a new-generation x-ray detector system using a blinded-rater study. MATERIALS AND METHODS Deployment of flow-diversion devices for the treatment of internal carotid artery aneurysms was performed under flat panel detector and high-definition-mode image guidance in a neurointerventional phantom simulating patient cranium and tissue attenuation, embedded with 3D-printed intracranial vascular models, each with an aneurysm in the ICA segment. Image-sequence pairs of device deployments for each detector mode, under similar exposure and FOV conditions, were evaluated by 2 blinded experienced neurointerventionalists who independently selected their preferred image on the basis of visualization of anatomic features, image noise, and treatment device. They rated their selection as either similar, better, much better, or substantially better than the other choice. Inter- and intrarater agreement was calculated and categorized as poor, moderate, and good. RESULTS Both raters demonstrating good inter- and intrarater agreement selected high-definition-mode images with a frequency of at least 95% each and, on average, rated the high-definition images as much better than flat panel detector images with a frequency of 73% from a total of 60 image pairs. CONCLUSIONS Due to their higher resolution, high-definition-mode images are sharper and visually preferred compared with the flat panel detector images. The improved imaging provided by the high-definition mode can potentially provide an advantage during neurointerventional procedures.
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Affiliation(s)
- S V Setlur Nagesh
- From the Canon (formerly Toshiba) Stroke and Vascular Research Center (S.V.S.N., J.K., C.I., D.R.B., A.H.S., S.R.)
- Departments of Neurosurgery (S.V.S.N., V.F., C.I., J.D., D.R.B., A.H.S.)
| | - V Fennel
- Department of Neurosurgery (V.F., J.D.), Gates Vascular Institute at Kaleida Health, Buffalo, New York
- Departments of Neurosurgery (S.V.S.N., V.F., C.I., J.D., D.R.B., A.H.S.)
| | - J Krebs
- From the Canon (formerly Toshiba) Stroke and Vascular Research Center (S.V.S.N., J.K., C.I., D.R.B., A.H.S., S.R.)
| | - C Ionita
- From the Canon (formerly Toshiba) Stroke and Vascular Research Center (S.V.S.N., J.K., C.I., D.R.B., A.H.S., S.R.)
- Departments of Biomedical Engineering (C.I., S.R.)
- Departments of Neurosurgery (S.V.S.N., V.F., C.I., J.D., D.R.B., A.H.S.)
| | - J Davies
- Department of Neurosurgery (V.F., J.D.), Gates Vascular Institute at Kaleida Health, Buffalo, New York
- Departments of Neurosurgery (S.V.S.N., V.F., C.I., J.D., D.R.B., A.H.S.)
- Bioinformatics (J.D.)
- Jacobs Institute (J.D., A.H.S.), Buffalo, New York
| | - D R Bednarek
- From the Canon (formerly Toshiba) Stroke and Vascular Research Center (S.V.S.N., J.K., C.I., D.R.B., A.H.S., S.R.)
- Departments of Neurosurgery (S.V.S.N., V.F., C.I., J.D., D.R.B., A.H.S.)
- Radiology (D.R.B., A.H.S., S.R.), Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, New York
| | - M Mokin
- Department of Neurosurgery and Brain Repair (M.M.), University of South Florida, Tampa, Florida
| | - A H Siddiqui
- From the Canon (formerly Toshiba) Stroke and Vascular Research Center (S.V.S.N., J.K., C.I., D.R.B., A.H.S., S.R.)
- Departments of Neurosurgery (S.V.S.N., V.F., C.I., J.D., D.R.B., A.H.S.)
- Radiology (D.R.B., A.H.S., S.R.), Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, New York
- Jacobs Institute (J.D., A.H.S.), Buffalo, New York
| | - S Rudin
- From the Canon (formerly Toshiba) Stroke and Vascular Research Center (S.V.S.N., J.K., C.I., D.R.B., A.H.S., S.R.)
- Departments of Biomedical Engineering (C.I., S.R.)
- Mechanical and Aerospace Engineering (S.R.)
- Electrical Engineering (S.R.), University at Buffalo, State University of New York; Buffalo, New York
- Radiology (D.R.B., A.H.S., S.R.), Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, New York
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15
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Racial and Ethnic Disparities in Treatment Outcomes of Patients with Ruptured or Unruptured Intracranial Aneurysms. J Racial Ethn Health Disparities 2018; 6:345-355. [PMID: 30264335 DOI: 10.1007/s40615-018-0530-x] [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: 06/27/2018] [Revised: 09/10/2018] [Accepted: 09/11/2018] [Indexed: 10/28/2022]
Abstract
OBJECTIVE The aim of this study is to examine how health outcomes varied by treatment selection and race/ethnicity among hospitalized US patients with ruptured or unruptured IAs. METHODS A retrospective cohort study was conducted using a sample of 62,224 hospital discharges from the 2002-2012 Nationwide Inpatient Sample. Logistic regression models evaluated treatment selection as predictor of in-hospital survival (IHS: "yes," "no") and length of stay (LOS ≤ 7 days, > 7 days), overall and across racial/ethnic groups, taking hospital- and patient-level confounders into account, while stratifying by IA rupture status. RESULTS Compared to surgical clipping, endovascular coiling was associated with better IHS, after controlling for confounders. Compared to surgical clipping, LOS ≤ 7 days was less likely in patients with combination of treatments and more likely among patients with endovascular coiling as well as balloon- or stent-assisted coiling. Observed relationships varied significantly by race and ethnicity for IHS, but not for LOS ≤ 7 days. Whereas combination of treatments were associated with worse IHS than surgical clipping among Blacks alone, endovascular coiling was associated with better IHS than surgical clipping among White and Other racial/ethnic subgroups. These relationships were for the most part consistent among patients with and without IA rupture. CONCLUSIONS Racial and ethnic subgroups of IA patients experienced differential IHS by treatment selection, irrespective of IA rupture status. Prospective cohort studies are needed to further elucidate these racial and ethnic disparities, while collecting data on IA size, location, and morphology as well as Hunt and Hess grade for ruptured IA.
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16
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Barletta EA, Ricci RL, Silva RDG, Gaspar RHML, Araújo JFM, Neves MWF, de Aquino JLB, Barba Belsuzarri TA. Fusiform aneurysms: A review from its pathogenesis to treatment options. Surg Neurol Int 2018; 9:189. [PMID: 30294493 PMCID: PMC6169346 DOI: 10.4103/sni.sni_133_18] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2018] [Accepted: 08/09/2018] [Indexed: 12/23/2022] Open
Abstract
Background This study aims to present the most important considerations when it comes to patients features, clinical presentation, localization, and morphology of the aneurysm and the treatments outcomes of the fusiform aneurysms. Methods We performed a literature review using PubMed. The search was limited to the studies published in English, from 2003 to 2017. Results The studies analyzed that showed data about the patient features, clinical presentation, the aneurysm localization, morphology, and pathogenesis didn't present much divergence. The surgical and the endovascular approach showed similar treatments outcomes. The reconstructive techniques seem to be safer than the deconstructive. The flow diversion is a technique that showed great results. Conclusion Most of the patients are men, younger than 50 years old, pediatric patients are the most affected. Surgical procedures still have an important place in this field. Reconstructive and deconstructive techniques are both effective; the reconstructive techniques are possibly safer than deconstructive techniques. The most important feature of an aneurysm to predict a bad prognose is to determine if the aneurysm is ruptured. The reconstructive EVT accompanied by dual antiplatelet after and before the procedure showed the best results to treat the basilar fusiform aneurysms. Deconstructive treatment including posterior inferior cerebellar artery occlusion should be considered.
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Affiliation(s)
| | | | | | | | | | | | | | - Telmo Augusto Barba Belsuzarri
- Department of Neurosurgery from Pontifical Catholic University of Campinas, Brazil.,Post Graduation at the State Server Hospital (IAMSPE), Brazil.,Post Graduation Program, Masters in Health Sciences, Pontifical Catholic University of Campinas, Brazil
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17
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Beydoun HA, Azarbaijani Y, Cheng H, Anderson-Smits C, Marinac-Dabic D. Predicting Successful Treatment of Intracranial Aneurysms with the Pipeline Embolization Device Through Meta-Regression. World Neurosurg 2018; 114:e938-e958. [DOI: 10.1016/j.wneu.2018.03.120] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 03/17/2018] [Accepted: 03/17/2018] [Indexed: 10/17/2022]
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18
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McDougall CM, Khan K, Saqqur M, Jack A, Rempel J, Derksen C, Xi Y, Chow M. Ultrasound for the evaluation of stenosis after flow diversion. J Neurointerv Surg 2017; 10:297-300. [DOI: 10.1136/neurintsurg-2017-013049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 04/10/2017] [Accepted: 04/22/2017] [Indexed: 11/03/2022]
Abstract
Background and purposeFlow diversion is a relatively new strategy used to treat complex cerebral aneurysms. The optimal method for radiographic follow-up of patients treated with flow diverters has not been established. The rate and clinical implications of in-stent stenosis for these devices is unclear. We evaluate the use of transcranial Doppler ultrasound (TCD) for follow-up of in-stent stenosis.Materials and methodsWe analyzed 28 patients treated with the Pipeline embolization device (PED) over the course of 42 months from January 2009 to June 2012. Standard conventional cerebral angiograms were performed in all patients. TCD studies were available in 23 patients.ResultsAngiographic and TCD results were compared and found to correlate well.ConclusionsTCD is a potentially useful adjunct for evaluating in-stent stenosis after flow diversion.
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19
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Damiano RJ, Tutino VM, Paliwal N, Ma D, Davies JM, Siddiqui AH, Meng H. Compacting a Single Flow Diverter versus Overlapping Flow Diverters for Intracranial Aneurysms: A Computational Study. AJNR Am J Neuroradiol 2017; 38:603-610. [PMID: 28057633 DOI: 10.3174/ajnr.a5062] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Accepted: 10/27/2016] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Locally compacting the mesh of a flow diverter by a dynamic push-pull technique can accelerate intracranial aneurysm healing. We asked how this deployment strategy compares with overlapping 2 flow diverters for aneurysmal flow reduction. MATERIALS AND METHODS Using a high-fidelity virtual stent placement method, we simulated 3 flow-diverter strategies (single noncompacted, 2 overlapped, and single compacted) in 3 aneurysms (fusiform, large saccular, and medium saccular). Computational fluid dynamics analysis provided posttreatment hemodynamic parameters, including time-averaged inflow rate, aneurysm-averaged velocity, wall shear stress, total absolute circulation, and turnover time. We examined the relationship between the achieved degree of compaction and aneurysm orifice area. RESULTS Flow-diverter compaction resulted in a compaction coverage of 57%, 47%, and 22% over the orifice of the fusiform, large, and medium saccular aneurysm, respectively. Compaction coverage increased linearly with orifice area. In the fusiform aneurysm, the single compacted flow diverter accomplished more aneurysmal flow reduction than the other 2 strategies, as indicated by all 5 hemodynamic parameters. In the 2 saccular aneurysms, the overlapped flow diverters achieved the most flow reduction, followed by the single compacted and the noncompacted flow diverter. CONCLUSIONS Compacting a single flow diverter can outperform overlapping 2 flow diverters in aneurysmal flow reduction, provided that the compaction produces a mesh denser than 2 overlapped flow diverters and this denser mesh covers a sufficient portion of the aneurysm orifice area, for which we suggest a minimum of 50%. This strategy is most effective for aneurysms with large orifices, especially fusiform aneurysms.
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Affiliation(s)
- R J Damiano
- From the Department of Mechanical and Aerospace Engineering (R.J.D., N.P., D.M., H.M.).,Toshiba Stroke and Vascular Research Center (R.J.D., V.M.T., N.P., D.M., J.M.D., A.H.S., H.M.)
| | - V M Tutino
- Toshiba Stroke and Vascular Research Center (R.J.D., V.M.T., N.P., D.M., J.M.D., A.H.S., H.M.).,Department of Biomedical Engineering (V.M.T., H.M.)
| | - N Paliwal
- From the Department of Mechanical and Aerospace Engineering (R.J.D., N.P., D.M., H.M.).,Toshiba Stroke and Vascular Research Center (R.J.D., V.M.T., N.P., D.M., J.M.D., A.H.S., H.M.)
| | - D Ma
- From the Department of Mechanical and Aerospace Engineering (R.J.D., N.P., D.M., H.M.).,Toshiba Stroke and Vascular Research Center (R.J.D., V.M.T., N.P., D.M., J.M.D., A.H.S., H.M.)
| | - J M Davies
- Toshiba Stroke and Vascular Research Center (R.J.D., V.M.T., N.P., D.M., J.M.D., A.H.S., H.M.).,Department of Neurosurgery (J.M.D., A.H.S., H.M.), University at Buffalo, State University of New York, Buffalo, New York
| | - A H Siddiqui
- Toshiba Stroke and Vascular Research Center (R.J.D., V.M.T., N.P., D.M., J.M.D., A.H.S., H.M.).,Department of Neurosurgery (J.M.D., A.H.S., H.M.), University at Buffalo, State University of New York, Buffalo, New York
| | - H Meng
- From the Department of Mechanical and Aerospace Engineering (R.J.D., N.P., D.M., H.M.) .,Toshiba Stroke and Vascular Research Center (R.J.D., V.M.T., N.P., D.M., J.M.D., A.H.S., H.M.).,Department of Biomedical Engineering (V.M.T., H.M.).,Department of Neurosurgery (J.M.D., A.H.S., H.M.), University at Buffalo, State University of New York, Buffalo, New York
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20
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White TG, O'Donnell D, Rosenthal J, Cohen M, Aygok G, Nossek E, Langer DJ. Trends in Cerebral Revascularization in the Era of Pipeline and Carotid Occlusion Surgery Study. World Neurosurg 2016; 91:285-96. [DOI: 10.1016/j.wneu.2016.03.090] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2015] [Revised: 03/27/2016] [Accepted: 03/29/2016] [Indexed: 11/17/2022]
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21
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Kim SO, Chung YG, Won YS, Rho MH. Delayed Ischemic Stroke after Flow Diversion of Large Posterior Communicating Artery Aneurysm. J Cerebrovasc Endovasc Neurosurg 2016; 18:19-26. [PMID: 27114962 PMCID: PMC4842904 DOI: 10.7461/jcen.2016.18.1.19] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2015] [Revised: 12/21/2015] [Accepted: 03/09/2016] [Indexed: 11/23/2022] Open
Abstract
For securing large, giant, and wide-neck aneurysms, conventional coil embolization has substantial limitations, such as incomplete occlusion, recanalization, and a high recurrence rate. To overcome these limitations, a novel paradigm was suggested and, as a result, flow-diverting device was developed. The flow-diverting device is an innovative and effective technique to allow securing of large, giant, and wide-neck aneurysms. In numerous studies, the flow-diverting device has shown better outcomes than coil embolization. However, the flow-diverting device has also some risks, including rupture of aneurysm, intracerebral hemorrhage, and ischemic stroke. In addition, with more experience, unexpected complications are also reported.5)7) In the present case, we experienced a delayed ischemic stroke at 27 days after endovascular treatment. The patient had multiple aneurysms and, among them, we treated a large posterior communicating artery aneurysm using Pipeline™ Embolization Device. The patient was tolerable for 25 days, but then suddenly presented intermittent right hemiparesis. In the initial diffusion magnetic resonance imaging (MRI), there was no acute lesion; however, in the follow-up MRI, an acute ischemic stroke was found in the territory of anterior choroidal artery which was covered by Pipeline Embolization Device. We suspect that neo-intimal overgrowth or a tiny thrombus have led to this delayed complication. Through our case, we learned that the neurosurgeon should be aware of the possibility of delayed ischemic stroke after flow diversion, as well as, long-term close observation and follow-up angiography are necessary even in the event of no acute complications.
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Affiliation(s)
- Si On Kim
- Department of Neurosurgery, Kangbuk Samsung Hospital, Sungkyunkwan University, Seoul, Korea
| | - Yeon Gu Chung
- Department of Neurosurgery, Kangbuk Samsung Hospital, Sungkyunkwan University, Seoul, Korea
| | - Yu Sam Won
- Department of Neurosurgery, Kangbuk Samsung Hospital, Sungkyunkwan University, Seoul, Korea
| | - Myung Ho Rho
- Department of Radiology, Kangbuk Samsung Hospital, Sungkyunkwan University, Seoul, Korea
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22
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Chen YA, Drake BJ, Chiu AHY, Marotta TR. Pipeline embolization device induced collateral channels in elective flow diversion treatment. J Neurointerv Surg 2016; 9:neurintsurg-2016-012297.rep. [PMID: 26962043 DOI: 10.1136/neurintsurg-2016-012297.rep] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
The pipeline embolization device (PED) is a well recognized treatment for intracranial aneurysms. However, uncertainty remains regarding its effects on flow alteration, which is particularly highlighted by persistently perfused aneurysmal remnants and non-regressing, non-perfused aneurysmal masses. Here we present a 68-year-old woman with an incidental giant fusiform right paraophthalmic aneurysm electively treated with a PED. After lowering her antiplatelet therapy to promote aneurysm thrombosis, she was found to have a progressively enlarging perfused aneurysmal remnant. Angiography revealed PED occlusion, but curiously the development of a peri-construct collateral channel which feeds the aneurysmal remnant, and gives rise to distal branches and contributes to middle cerebral artery flow. The large 'thrombosed' aneurysmal mass showed tiny internal vessels on cone beam CT angiography as well as florid enhancement on MRI, further confirming that apparently thrombosed remnants are biologically active and may be remodeled depending on flow demand.
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Affiliation(s)
- Yingming Amy Chen
- Department of Medical Imaging, St Michael's Hospital, Toronto, Ontario, Canada
| | - Brian J Drake
- Department of Medical Imaging, St Michael's Hospital, Toronto, Ontario, Canada St Michael's Neurovascular Program, St Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Albert Ho Yuen Chiu
- Department of Medical Imaging, St Michael's Hospital, Toronto, Ontario, Canada St Michael's Neurovascular Program, St Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Thomas R Marotta
- Department of Diagnostic and Therapeutic Neuroradiology, St Michael's Hospital, Toronto, Ontario, Canada
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23
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Chen YA, Drake BJ, Chiu AHY, Marotta TR. Pipeline embolization device induced collateral channels in elective flow diversion treatment. BMJ Case Rep 2016; 2016:bcr-2016-012297. [PMID: 26944374 DOI: 10.1136/bcr-2016-012297] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
The pipeline embolization device (PED) is a well recognized treatment for intracranial aneurysms. However, uncertainty remains regarding its effects on flow alteration, which is particularly highlighted by persistently perfused aneurysmal remnants and non-regressing, non-perfused aneurysmal masses. Here we present a 68-year-old woman with an incidental giant fusiform right paraophthalmic aneurysm electively treated with a PED. After lowering her antiplatelet therapy to promote aneurysm thrombosis, she was found to have a progressively enlarging perfused aneurysmal remnant. Angiography revealed PED occlusion, but curiously the development of a peri-construct collateral channel which feeds the aneurysmal remnant, and gives rise to distal branches and contributes to middle cerebral artery flow. The large 'thrombosed' aneurysmal mass showed tiny internal vessels on cone beam CT angiography as well as florid enhancement on MRI, further confirming that apparently thrombosed remnants are biologically active and may be remodeled depending on flow demand.
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Affiliation(s)
- Yingming Amy Chen
- Department of Medical Imaging, St Michael's Hospital, Toronto, Ontario, Canada
| | - Brian J Drake
- Department of Medical Imaging, St Michael's Hospital, Toronto, Ontario, Canada St Michael's Neurovascular Program, St Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Albert Ho Yuen Chiu
- Department of Medical Imaging, St Michael's Hospital, Toronto, Ontario, Canada St Michael's Neurovascular Program, St Michael's Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Thomas R Marotta
- Department of Diagnostic and Therapeutic Neuroradiology, St Michael's Hospital, Toronto, Ontario, Canada
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24
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Safain MG, Roguski M, Heller RS, Malek AM. Flow Diverter Therapy With the Pipeline Embolization Device Is Associated With an Elevated Rate of Delayed Fluid-Attenuated Inversion Recovery Lesions. Stroke 2016; 47:789-97. [DOI: 10.1161/strokeaha.115.010522] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 11/20/2015] [Indexed: 11/16/2022]
Affiliation(s)
- Mina G. Safain
- From the Cerebrovascular and Endovascular Division, Department of Neurosurgery, Tufts Medical Center and Tufts University School of Medicine, Boston, MA
| | - Marie Roguski
- From the Cerebrovascular and Endovascular Division, Department of Neurosurgery, Tufts Medical Center and Tufts University School of Medicine, Boston, MA
| | - Robert S. Heller
- From the Cerebrovascular and Endovascular Division, Department of Neurosurgery, Tufts Medical Center and Tufts University School of Medicine, Boston, MA
| | - Adel M. Malek
- From the Cerebrovascular and Endovascular Division, Department of Neurosurgery, Tufts Medical Center and Tufts University School of Medicine, Boston, MA
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25
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Vega RA, Brzezicki G, Reavey-Cantwell JF. Delayed Collapse of a Pipeline Embolization Device. Oper Neurosurg (Hagerstown) 2016; 12:83-88. [PMID: 29506251 DOI: 10.1227/neu.0000000000001043] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2015] [Accepted: 08/20/2015] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The Pipeline Embolization Device (PED) is a treatment modality for wide-neck complex intracranial aneurysms. There have been recent reports for the use of PEDs in dissecting pseudoaneurysms of the cervical carotid arteries. The use of this flow diversion technology has emerged as a promising alternative; however, there are various risks and complications that one should be aware of. OBJECTIVE To report a rare postoperative complication, identified during follow-up, in a patient initially treated for an internal carotid artery dissection with multiple overlapping PEDs. METHODS A 53-year-old male with unremarkable history presented with acute Horner's syndrome, and imaging findings revealing internal carotid artery dissection and pseudoaneurysm with significant flow-limiting stenosis. He underwent treatment with a PED. RESULTS At 3 months post-operation, a cerebral angiogram demonstrated that one of his pipeline stents in the posterior cavernous segment had collapsed at its central portion. Flow was preserved around the outside of the collapsed device. We performed 4 rounds of balloon angioplasty with modest, but not complete, re-expansion of the stent. The patient has been doing well in the postoperative period with no complications. CONCLUSION The PED's role in the management of aneurysms and other intra- and extra-cranial vascular pathologies continues to expand, and new complications are bound to be discovered, similar to our case. As the use of these devices becomes routine and widespread, the frequency of these complications will increase. The management of unforeseen complications of PEDs, such as a collapsed stent, will need to be determined on an individual basis.
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Affiliation(s)
- Rafael A Vega
- Department of Neurosurgery, Virginia Commonwealth University Health System, Medical College of Virginia, Richmond, Virginia
| | - Grzegorz Brzezicki
- Department of Neurosurgery, Virginia Commonwealth University Health System, Medical College of Virginia, Richmond, Virginia
| | - John F Reavey-Cantwell
- Department of Neurosurgery, Virginia Commonwealth University Health System, Medical College of Virginia, Richmond, Virginia
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26
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[Endovascular treatment of giant intracranial aneurysms]. Neurochirurgie 2015; 62:25-9. [PMID: 26740286 DOI: 10.1016/j.neuchi.2015.10.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2015] [Revised: 09/20/2015] [Accepted: 10/10/2015] [Indexed: 11/22/2022]
Abstract
Giant aneurysms are defined as having a maximal diameter higher than 25mm. The dynamic aspect of giant aneurysms, in particular, is its growth, which was responsible for parenchyma sequellae either due to haemorrhagic complications or a compression of cranial nerves. The treatment of these giant aneurysms was challenging because of its size, the mass effect and the neck diameter. These morphologic conditions required complex endovascular procedures such as remodelling, stenting, using flow diverters. Subsequently, the complex procedures increased the risk of morbidity because of ischemic complications. Despite these procedures, the risk of recurrence was high.
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27
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Alghamdi F, Morais R, Scillia P, Lubicz B. The Silk flow-diverter stent for endovascular treatment of intracranial aneurysms. Expert Rev Med Devices 2015; 12:753-62. [PMID: 26415045 DOI: 10.1586/17434440.2015.1093413] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Flow diverter (FD) stents represent a new endovascular technique developed for the treatment of complex intracranial aneurysms (wide neck, fusiform, large, and giant aneurysms) that are challenging for classic endovascular techniques such as coiling, balloon-assisted coiling and stent-assisted coiling. Low porosity, high metal coverage, and high pore density are the main properties of FD stents. These properties induce hemodynamic changes redirecting the blood flow away from the aneurysm and into the parent artery leading to gradual thrombosis of the aneurysm. FD stents also provide scaffolding for subsequent neoendothelial proliferation, and vessel wall remodeling. This is considered as a paradigm shift compared to prior endovascular methods, which predominantly aimed at providing treatment inside the aneurysmal sac. This paper describes in detail the first released FD stent, the Silk flow-diverter stent (Balt Extrusion, Montmorency, France), its mechanism of action and deployment technique. It reviews the pertinent literature regarding safety, efficacy and potential risks and complications associated with the use of this stent.
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Affiliation(s)
- Faisal Alghamdi
- a 1 Department of Neuroradiology, Erasme University Hospital , Hôpital Erasme, 808 route de Lennik, 1070 Bruxelles, Belgium
| | - Ricardo Morais
- a 1 Department of Neuroradiology, Erasme University Hospital , Hôpital Erasme, 808 route de Lennik, 1070 Bruxelles, Belgium
| | - Pietro Scillia
- b 2 Department of Radiology, Erasme University Hospital , Brussels 1070, Belgium
| | - Boris Lubicz
- a 1 Department of Neuroradiology, Erasme University Hospital , Hôpital Erasme, 808 route de Lennik, 1070 Bruxelles, Belgium
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28
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Tsimpas A, Ashley WW, Germanwala AV. Spontaneous regression of intracranial aneurysm following remote ruptured aneurysm treatment with pipeline stent assisted coiling. J Neurointerv Surg 2015; 8:e39. [PMID: 26293473 DOI: 10.1136/neurintsurg-2015-011931.rep] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/23/2015] [Indexed: 11/04/2022]
Abstract
Spontaneous aneurysm regression is a rare phenomenon. We present the interesting case of a 54-year-old woman who was admitted with a Hunt/Hess grade IV, Fisher grade III subarachnoid hemorrhage and multiple intracranial aneurysms. She was treated with coiling of the largest paraclinoid aneurysm and placement of a flow diverting pipeline embolization device that covered all internal carotid artery (ICA) aneurysms. A follow-up angiogram at 6 months showed remodeling of the ICA with complete obliteration of all treated aneurysms. A distant, untreated, right frontal M2 aneurysm regressed spontaneously, after the flow was diverted away from it with the stent. The literature is reviewed, and potential pathophysiological mechanisms leading to aneurysm regression are discussed.
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Affiliation(s)
- Asterios Tsimpas
- Department of Neurological Surgery, Loyola University Medical Center, Maywood, Illinois, USA
| | - William W Ashley
- Department of Neurological Surgery, Loyola University Medical Center, Maywood, Illinois, USA
| | - Anand V Germanwala
- Department of Neurological Surgery, Loyola University Medical Center, Maywood, Illinois, USA
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29
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Tsimpas A, Ashley WW, Germanwala AV. Spontaneous regression of intracranial aneurysm following remote ruptured aneurysm treatment with pipeline stent assisted coiling. BMJ Case Rep 2015; 2015:bcr-2015-011931. [PMID: 26272955 DOI: 10.1136/bcr-2015-011931] [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
Spontaneous aneurysm regression is a rare phenomenon. We present the interesting case of a 54-year-old woman who was admitted with a Hunt/Hess grade IV, Fisher grade III subarachnoid hemorrhage and multiple intracranial aneurysms. She was treated with coiling of the largest paraclinoid aneurysm and placement of a flow diverting pipeline embolization device that covered all internal carotid artery (ICA) aneurysms. A follow-up angiogram at 6 months showed remodeling of the ICA with complete obliteration of all treated aneurysms. A distant, untreated, right frontal M2 aneurysm regressed spontaneously, after the flow was diverted away from it with the stent. The literature is reviewed, and potential pathophysiological mechanisms leading to aneurysm regression are discussed.
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Affiliation(s)
- Asterios Tsimpas
- Department of Neurological Surgery, Loyola University Medical Center, Maywood, Illinois, USA
| | - William W Ashley
- Department of Neurological Surgery, Loyola University Medical Center, Maywood, Illinois, USA
| | - Anand V Germanwala
- Department of Neurological Surgery, Loyola University Medical Center, Maywood, Illinois, USA
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30
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Munich SA, Cress MC, Levy EI. Flow Diversion for the Treatment of Intracranial Aneurysms. Neurosurgery 2015; 62 Suppl 1:50-5. [DOI: 10.1227/neu.0000000000000804] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Affiliation(s)
- Stephan A. Munich
- Department of Neurosurgery
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York
| | - Marshall C. Cress
- Department of Neurosurgery
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York
| | - Elad I. Levy
- Department of Neurosurgery
- Department of Radiology, School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, New York
- Department of Neurosurgery, Gates Vascular Institute at Kaleida Health, Buffalo, New York
- Toshiba Stroke and Vascular Research Center, University at Buffalo, State University of New York, Buffalo, New York
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31
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Vedantam A, Rao VY, Shaltoni HM, Mawad ME. Incidence and clinical implications of carotid branch occlusion following treatment of internal carotid artery aneurysms with the pipeline embolization device. Neurosurgery 2015; 76:173-8; discussion 178. [PMID: 25549190 DOI: 10.1227/neu.0000000000000595] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The use of flow diverters such as the pipeline embolization device (PED) for treatment of intracranial aneurysms carries the risk of side branch occlusion. OBJECTIVE To determine the incidence and clinical outcomes associated with supraclinoid internal carotid artery (ICA) branch occlusion after deployment of PEDs for ICA aneurysms. METHODS We reviewed patients who underwent endovascular treatment with PEDs for ICA aneurysms between June 2011 and March 2013. Forty-nine patients (43 women, mean age 56.3±1.8 years, 68 aneurysms) in whom PEDs traversed the origin of supraclinoid ICA branches (ophthalmic [OA], posterior communicating [PcommA], and anterior choroidal artery [AChA]) were selected for this study. Follow-up angiograms (mean follow-up, 12.8±0.8 months) were studied to determine the location of PEDs and the patency of ICA branches. RESULTS PEDs were placed across the ostia of 49 OAs, 14 PcommAs, and 11 AChAs. Multiple PEDs were deployed in 16 patients. Rate of branch occlusion was 4% (2/49) for the OA, 7.1% (1/14) for the PcommA, and 0% for the AChA. Patients with branch occlusion did not endure new neurological deficits. ICA branch occlusion was not associated with the number of PEDs covering the ostia (P=.76) or the origin of ICA branches from the aneurysm (P=.24). CONCLUSION The incidence of major supraclinoid ICA branch occlusion after treatment with PEDs was low. These events were not associated with new neurological deficits nor were they related to the number of PEDs deployed or the origin of ICA branches from the aneurysm.
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Affiliation(s)
- Aditya Vedantam
- *Baylor St. Luke's Medical Center, Houston, Texas; ‡Department of Neurosurgery, Baylor College of Medicine, Houston, Texas; §Department of Radiology, Baylor College of Medicine, Houston, Texas
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