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3. International controlled study of revascularization and outcomes following COVID‐positive mechanical thrombectomy

Author

Dmytriw, Adam A, Ghozy, Sherief, Sweid, Ahmad, Piotin, Michel, Bekelis, Kimon, Sourour, Nader, Raz, Eytan, Vela‐Duarte, Daniel, Linfante, Italo, Dabus, Guilherme, Kole, Max, Martínez‐Galdámez, Mario, Nimjee, Shahid M, Lopes, Demetrius K, Hassan, Ameer E, Kan, Peter, Ghorbani, Mohammad, Levitt, Michael R, Escalard, Simon, Missios, Symeon, Shapiro, Maksim, Clarençon, Fréderic, Elhorany, Mahmoud, Tahir, Rizwan A, Youssef, Patrick P, Pandey, Aditya S, Starke, Robert M, Naamani, Kareem El, Abbas, Rawad, Mansour, Ossama Y, Galvan, Jorge, Billingsley, Joshua T, Mortazavi, Abolghasem, Walker, Melanie, Dibas, Mahmoud, Settecase, Fabio, Heran, Manraj KS, Kuhn, Anna L, Puri, Ajit S, Menon, Bijoy K, Sivakumar, Sanjeev, Mowla, Ashkan, D'Amato, Salvatore, Zha, Alicia M, Cooke, Daniel, Vranic, Justin E, Regenhardt, Robert W, Rabinov, James D, Stapleton, Christopher J, Goyal, Mayank, Wu, Hannah, Cohen, Jake, Turkel‐Parella, David, Xavier, Andrew, Waqas, Muhammad, Tutino, Vincent, Siddiqui, Adnan, Gupta, Gaurav, Nanda, Anil, Khandelwal, Priyank, Tiu, Cristina, Portela, Pere C, de la Ossa, Natalia Perez, Urra, Xabier, Lera, Mercedes, Arenillas, Juan F, Ribo, Marc, Requena, Manuel, Piano, Mariangela, Pero, Guglielmo, Sousa, Keith, Al‐Mufti, Fawaz, Hashim, Zafar, Nayak, Sanjeev, Renieri, Leonardo, Du, Rose, Aziz‐Sultan, Mohamed A, Liebeskind, David, Nogueira, Raul G, Abdalkader, Mohamad, Nguyen, Thanh N, Vigilante, Nicholas, Siegler, James E, Grossberg, Jonathan A, Saad, Hassan, Gooch, Michael R, Herial, Nabeel A, Rosenwasser, Robert H, Tjoumakaris, Stavropoula, Patel, Aman B, Tiwari, Ambooj, Jabbour, Pascal, and Investigators, North American Neurovascular COVID‐19 Consortium Society of Vascular and Interventional Neurology

Subjects
Biomedical and Clinical Sciences, Neurosciences, Clinical Sciences, Stroke, Clinical Research, Good Health and Well Being, Brain Ischemia, COVID-19, Cross-Sectional Studies, Endovascular Procedures, Humans, Male, Retrospective Studies, Thrombectomy, Treatment Outcome, large vessel occlusion, morbidity, mortality, stroke, North American Neurovascular COVID-19 (NAN-C) Consortium &amp, Society of Vascular and Interventional Neurology (SVIN) Investigators, Neurology & Neurosurgery, Clinical sciences
Abstract

Background and purposePrevious studies suggest that mechanisms and outcomes in patients with COVID-19-associated stroke differ from those in patients with non-COVID-19-associated strokes, but there is limited comparative evidence focusing on these populations. The aim of this study, therefore, was to determine if a significant association exists between COVID-19 status with revascularization and functional outcomes following thrombectomy for large vessel occlusion (LVO), after adjustment for potential confounding factors.MethodsA cross-sectional, international multicenter retrospective study was conducted in consecutively admitted COVID-19 patients with concomitant acute LVO, compared to a control group without COVID-19. Data collected included age, gender, comorbidities, clinical characteristics, details of the involved vessels, procedural technique, and various outcomes. A multivariable-adjusted analysis was conducted.ResultsIn this cohort of 697 patients with acute LVO, 302 had COVID-19 while 395 patients did not. There was a significant difference (p

Published
2022

4. Characteristics of a COVID-19 Cohort With Large Vessel Occlusion: A Multicenter International Study

Author

Jabbour, Pascal, Dmytriw, Adam A, Sweid, Ahmad, Piotin, Michel, Bekelis, Kimon, Sourour, Nader, Raz, Eytan, Linfante, Italo, Dabus, Guilherme, Kole, Max, Martínez-Galdámez, Mario, Nimjee, Shahid M, Lopes, Demetrius K, Hassan, Ameer E, Kan, Peter, Ghorbani, Mohammad, Levitt, Michael R, Escalard, Simon, Missios, Symeon, Shapiro, Maksim, Clarençon, Frédéric, Elhorany, Mahmoud, Vela-Duarte, Daniel, Tahir, Rizwan A, Youssef, Patrick P, Pandey, Aditya S, Starke, Robert M, Naamani, Kareem El, Abbas, Rawad, Hammoud, Bassel, Mansour, Ossama Y, Galvan, Jorge, Billingsley, Joshua T, Mortazavi, Abolghasem, Walker, Melanie, Dibas, Mahmoud, Settecase, Fabio, Heran, Manraj KS, Kuhn, Anna L, Puri, Ajit S, Menon, Bijoy K, Sivakumar, Sanjeev, Mowla, Ashkan, D'Amato, Salvatore, Zha, Alicia M, Cooke, Daniel, Goyal, Mayank, Wu, Hannah, Cohen, Jake, Turkel-Parrella, David, Xavier, Andrew, Waqas, Muhammad, Tutino, Vincent M, Siddiqui, Adnan, Gupta, Gaurav, Nanda, Anil, Khandelwal, Priyank, Tiu, Cristina, Portela, Pere C, de la Ossa, Natalia Perez, Urra, Xabier, de Lera, Mercedes, Arenillas, Juan F, Ribo, Marc, Requena, Manuel, Piano, Mariangela, Pero, Guglielmo, De Sousa, Keith, Al-Mufti, Fawaz, Hashim, Zafar, Nayak, Sanjeev, Renieri, Leonardo, Aziz-Sultan, Mohamed A, Nguyen, Thanh N, Feineigle, Patricia, Patel, Aman B, Siegler, James E, Badih, Khodr, Grossberg, Jonathan A, Saad, Hassan, Gooch, M Reid, Herial, Nabeel A, Rosenwasser, Robert H, Tjoumakaris, Stavropoula, and Tiwari, Ambooj

Subjects
Biomedical and Clinical Sciences, Clinical Sciences, Neurosciences, Clinical Research, Brain Disorders, Stroke, Good Health and Well Being, Brain Ischemia, COVID-19, Cerebral Infarction, Humans, Retrospective Studies, Thrombectomy, Treatment Outcome, SARS-CoV-2, Central nervous system, Cerebrovascular disease, Hypercoagulable, Neurology & Neurosurgery, Clinical sciences, Biological psychology
Abstract

BackgroundThe mechanisms and outcomes in coronavirus disease (COVID-19)-associated stroke are unique from those of non-COVID-19 stroke.ObjectiveTo describe the efficacy and outcomes of acute revascularization of large vessel occlusion (LVO) in the setting of COVID-19 in an international cohort.MethodsWe conducted an international multicenter retrospective study of consecutively admitted patients with COVID-19 with concomitant acute LVO across 50 comprehensive stroke centers. Our control group constituted historical controls of patients presenting with LVO and receiving a mechanical thrombectomy between January 2018 and December 2020.ResultsThe total cohort was 575 patients with acute LVO; 194 patients had COVID-19 while 381 patients did not. Patients in the COVID-19 group were younger (62.5 vs 71.2; P < .001) and lacked vascular risk factors (49, 25.3% vs 54, 14.2%; P = .001). Modified thrombolysis in cerebral infarction 3 revascularization was less common in the COVID-19 group (74, 39.2% vs 252, 67.2%; P < .001). Poor functional outcome at discharge (defined as modified Ranklin Scale 3-6) was more common in the COVID-19 group (150, 79.8% vs 132, 66.7%; P = .004). COVID-19 was independently associated with a lower likelihood of achieving modified thrombolysis in cerebral infarction 3 (odds ratio [OR]: 0.4, 95% CI: 0.2-0.7; P < .001) and unfavorable outcomes (OR: 2.5, 95% CI: 1.4-4.5; P = .002).ConclusionCOVID-19 was an independent predictor of incomplete revascularization and poor outcomes in patients with stroke due to LVO. Patients with COVID-19 with LVO were younger, had fewer cerebrovascular risk factors, and suffered from higher morbidity/mortality rates.

Published
2022

8. Endovascular thrombectomy first-pass reperfusion and ancillary device placement.

Author

Navia, Pedro, Espinosa de Rueda, Mariano, Rodriguez-Benitez, Amado, Ballenilla Marco, Federico, Pumar, José Manuel, Gallego-Leon, Jose Ignacio, Diaz-Valiño, Jose Luis, Mendez, Jose Carlos, Hernández Fernández, Francisco, Rodriguez-Paz, Carlos Manuel, Hernandez, David, Maynar, Franscisco Javier, Vega-Villar, Juan, García-Benassi, Juan Manuel, Martínez-Galdámez, Mario, Larrea, Jose-Angel, and Fernandez-Prieto, Andres

Subjects
NIH Stroke Scale, SCIENTIFIC observation, ENDOVASCULAR surgery, TREATMENT effectiveness, CATHETERIZATION, ODDS ratio, ISCHEMIC stroke, RESEARCH, THROMBECTOMY, REPERFUSION, CONFIDENCE intervals
Abstract

Background Recent randomized trials have demonstrated the efficacy of mechanical thrombectomy in treating acute ischemic stroke, however, further research is required to optimize this technique. We aimed to evaluate the impact of guide catheter position and clot crossing on revascularization rates using A Direct Aspiration First Pass Technique (ADAPT). Methods Data were collected between January 2018 and August 2019 as part of the Spanish ADAPT Registry on ACE catheters (SARA), a multicenter observational study assessing real-world thrombectomy outcomes. Demographic, clinical, and angiographic data were collected. Subgroup analyses assessed the relationship between guide catheter/microguidewire position and modified Trombolysis in Cerebral Infarction (mTICI) scores. First pass effect (FPE) was defined as mTICI 3 after single pass of the device. Results From a total of 589 patients, 80.8% underwent frontline aspiration thrombectomy. The median score on the National Institutes of Health Stroke Scale (NIHSS) was 16.0. After adjusting for confounders, the likelihood of achieving FPE (adjusted Odds Ratio (aOR), 0.587; 95% confidence interval (CI), 0.38 to 0.92; p=0.0194) were higher among patients with more distal petrocavernous placement of guide catheter. The likelihood of achieving FPE (aOR, 0.592; 95% CI, 0.39 to 0.90; p=0.0138) and final angiogram complete reperfusion (aOR, 0.465; 95% CI, 0.30 to 0.73; p=0.0008) were higher among patients without microguidewire crossing the clot. No difference was noted for time from arterial puncture to reperfusion in any study group. At the 90-day follow-up, the mortality rate was 9.2% and 65.8% of patients across the entire study cohort were functionally independent (modified Rankin Scale (mRS) 0-2). Conclusions Petrocavernous guide catheter placement improved first-pass revascularization. Crossing the occlusion with a microguidewire lowered the likelihood of achieving FPE and complete reperfusion after final angiogram. [ABSTRACT FROM AUTHOR]

Published
2024
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9. Transcirculation Approach for Endovascular Embolization of Intracranial Aneurysms, Arteriovenous Malformations, and Dural Fistulas: A Multicenter Study

Author

Roa, Jorge A., Ortega-Gutierrez, Santiago, Martinez-Galdamez, Mario, Maud, Alberto, Dabus, Guilherme, Pazour, Avery, Dandapat, Sudeepta, Arteaga, Miguel Schüller, Fernandez, Jorge Galvan, Paez-Granda, Diego, Kalousek, Vladimir, Pons, Roger Barranco, Mowla, Ashkan, Duckwiler, Gary, Szeder, Viktor, Jabbour, Pascal, Hasan, David M., and Samaniego, Edgar A.

Published
2020
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10. Abstract WP212: Site vs. Core Lab Adjudicated eTICI Scores Compared During Off and Normal Hours - Insights From the ASSIST Registry

Author

Gupta, Rishi, primary, Miralbes, Salvador, additional, Naravetla, Bharath R, additional, Spiotta, Alejandro M, additional, Loehr, Christian, additional, Martínez-Galdámez, Mario, additional, McTaggart, Ryan, additional, Defreyne, Luc, additional, VEGA, PEDRO, additional, Zaidat, Osama O, additional, Price, Lori Lyn, additional, Liebeskind, David S, additional, and Moehlenbruch, Markus, additional

Published
2024
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12. Technique and impact on first pass effect primary results of the ASSIST global registry

Author

Gupta, Rishi, primary, Miralbés, Salvador, additional, Calleja Bonilla, Angel, additional, Naravetla, Bharath, additional, Majjhoo, Aniel Q, additional, Rayes, Mahmoud, additional, Spiotta, Alejandro M, additional, Loehr, Christian, additional, Cioltan, Andreea, additional, Vollherbst, Dominik F, additional, Martínez-Galdámez, Mario, additional, Galván-Fernandez, Jorge, additional, Khaldi, Ahmad, additional, McTaggart, Ryan A., additional, Jayaraman, Mahesh V, additional, Defreyne, Luc, additional, Dhondt, Elisabeth, additional, Vega, Pedro, additional, Murias, Eduardo, additional, Lin, Eugene, additional, Chaubal, Varun, additional, Price, Lori Lyn, additional, Liebeskind, David S, additional, and Möhlenbruch, Markus A, additional

Published
2024
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13. Predictors of aneurysm occlusion after treatment with flow diverters: a systematic literature review.

Author

Meyer, Lukas, Stracke, Christian Paul, Bester, Maxim, Kallmes, Kevin M., Zeleňák, Kamil, Rouchaud, Aymeric, Martínez-Galdámez, Mario, Jabbour, Pascal, Thanh N. Nguyen, Siddiqui, Adnan H., Fiehler, Jens, and Gellissen, Susanne

Subjects
INTRACRANIAL aneurysms, THERAPEUTIC embolization, LOGISTIC regression analysis, SEX distribution, SURGICAL stents, TREATMENT effectiveness, MULTIVARIATE analysis, AGE distribution, SYSTEMATIC reviews, MEDLINE, ONLINE information services, CONFIDENCE intervals
Abstract

Background Flow diverters (FDs) have become an integral part of treatment for brain aneurysms. Aim To summarize available evidence of factors associated with aneurysm occlusion (AO) after treatment with a FD. Methods References were identified using the Nested Knowledge AutoLit semi-automated review platform between January 1, 2008 and August 26, 2022. The review focuses on preprocedural and postprocedural factors associated with AO identified in logistic regression analysis. Studies were included if they met the inclusion criteria of study details (ie, study design, sample size, location, (pre)treatment aneurysm details). Evidence levels were classified by variability and significancy across studies (eg, low variability ≥5 studies and significance in ≥60% throughout reports). Results Overall, 2.03% (95% CI 1.22 to 2.82; 24/1184) of screened studies met the inclusion criteria for predictors of AO based on logistic regression analysis. Predictors of AO with low variability in multivariable logistic regression analysis included aneurysm characteristics (aneurysm diameter), particularly complexity (absence of branch involvement) and younger patient age. Predictors of moderate evidence for AO included aneurysm characteristics (neck width), patient characteristics (absence of hypertension), procedural (adjunctive coiling) and post-deployment variables (longer follow-up; direct postprocedural satisfactory occlusion). Variables with a high variability in predicting AO following FD treatment were gender, FD as re-treatment strategy, and aneurysm morphology (eg, fusiform or blister). Conclusion Evidence of predictors for AO after FD treatment is sparse. Current literature suggests that absence of branch involvement, younger age, and aneurysm diameter have the highest impact on AO following FD treatment. Large studies investigating high-quality data with well-defined inclusion criteria are needed for greater insight into FD effectiveness. [ABSTRACT FROM AUTHOR]

Published
2024
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15. Evaluation of effectiveness and safety of the CorPath GRX robotic system in endovascular embolization procedures of cerebral aneurysms

Author

Mendes Pereira, Vitor, primary, Rice, Hal, additional, De Villiers, Laetitia, additional, Sourour, Nader, additional, Clarencon, Frédéric, additional, Spears, Julian, additional, Tomasello, Alejandro, additional, Hernandez, David, additional, Cancelliere, Nicole M, additional, Liu, Xiao Yu Eileen, additional, Nicholson, Patrick, additional, Costalat, Vincent, additional, Gascou, Gregory, additional, Mordasini, Pasquale, additional, Gralla, Jan, additional, Martínez-Galdámez, Mario, additional, Galvan Fernandez, Jorge, additional, Killer-Oberpfalzer, Monika, additional, Liebeskind, David S, additional, Turner, Raymond D, additional, Blanc, Raphael, additional, and Piotin, Michel, additional

Published
2023
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16. Endovascular thrombectomy first-pass reperfusion and ancillary device placement

Author

Navia, Pedro, primary, Espinosa de Rueda, Mariano, additional, Rodriguez-Benitez, Amado, additional, Ballenilla Marco, Federico, additional, Pumar, José Manuel, additional, Gallego-Leon, Jose Ignacio, additional, Diaz-Valiño, Jose Luis, additional, Mendez, Jose Carlos, additional, Hernández Fernández, Francisco, additional, Rodriguez-Paz, Carlos Manuel, additional, Hernandez, David, additional, Maynar, Franscisco Javier, additional, Vega-Villar, Juan, additional, García-Benassi, Juan Manuel, additional, Martínez-Galdámez, Mario, additional, Larrea, Jose-Angel, additional, and Fernandez-Prieto, Andres, additional

Published
2023
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18. Evaluation of effectiveness and safety of the CorPath GRX robotic system in endovascular embolization procedures of cerebral aneurysms.

Author

Mendes Pereira, Vitor, Rice, Hal, De Villiers, Laetitia, Sourour, Nader, Clarencon, Frédéric, Spears, Julian, Tomasello, Alejandro, Hernandez, David, Cancelliere, Nicole M., Xiao Yu Eileen Liu, Nicholson, Patrick, Costalat, Vincent, Gascou, Gregory, Mordasini, Pasquale, Gralla, Jan, Martínez-Galdámez, Mario, Galvan Fernandez, Jorge, Killer-Oberpfalzer, Monika, Liebeskind, David S., and Turner, Raymond D.

Subjects
INTRACRANIAL aneurysm surgery, SURGICAL robots, INTRACRANIAL aneurysms, CEREBRAL angiography, PEARSON correlation (Statistics), PATIENT safety, STATISTICAL significance, RESEARCH funding, THERAPEUTIC embolization, ENDOVASCULAR surgery, TREATMENT effectiveness, SURGICAL stents, DESCRIPTIVE statistics, LONGITUDINAL method, RESEARCH, CONFIDENCE intervals, DATA analysis software
Abstract

Background Robotic-assisted neurointervention was recently introduced, with implications that it could be used to treat neurovascular diseases. Objective To evaluate the effectiveness and safety of the robotic-assisted platform CorPath GRX for treating cerebral aneurysms. Methods This prospective, international, multicenter study enrolled patients with brain aneurysms that required endovascular coiling and/or stent-assisted coiling. The primary effectiveness endpoint was defined as successful completion of the robotic-assisted endovascular procedure without any unplanned conversion to manual treatment with guidewire or microcatheter navigation, embolization coil(s) or intracranial stent(s) deployment, or an inability to navigate vessel anatomy. The primary safety endpoint included intraprocedural and periprocedural events. Results The study enrolled 117 patients (74.4% female) with mean age of 56.6 years from 10 international sites,. Headache was the most common presenting symptom in 40/117 (34.2%) subjects. Internal carotid artery was the most common location (34/122, 27.9%), and the mean aneurysm height and neck width were 5.7±2.6 mm and 3.5±1.4 mm, respectively. The overall procedure time was 117.3±47.3 min with 59.4±32.6 min robotic procedure time. Primary effectiveness was achieved in 110/117 (94%) subjects with seven subjects requiring conversion to manual for procedure completion. Only four primary safety events were recorded with two intraprocedural aneurysm ruptures and two strokes. A Raymond-Roy Classification Scale score of 1 was achieved in 71/110 (64.5%) subjects, and all subjects were discharged with a modified Rankin Scale score of ≤2. Conclusions This first-of-its-kind robotic-assisted neurovascular trial demonstrates the effectiveness and safety of the CorPath GRX System for endovascular embolization of cerebral aneurysm procedures. [ABSTRACT FROM AUTHOR]

Published
2024
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19. Brain Atrophy and the Risk of Futile Endovascular Reperfusion in Acute Ischemic Stroke

Author

Pedraza, María I., de Lera, Mercedes, Bos, Daniel, Calleja, Ana I., Cortijo, Elisa, Gómez-Vicente, Beatriz, Reyes, Javier, Coco-Martín, María Begoña, Calonge, Teodoro, Agulla, Jesús, Martínez-Pías, Enrique, Talavera, Blanca, Pérez-Fernández, Santiago, Schüller, Miguel, Galván, Jorge, Castaño, Miguel, Martínez-Galdámez, Mario, and Arenillas, Juan F.

Published
2020
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20. Effect of anesthetic strategies on distal stroke thrombectomy in the anterior and posterior cerebral artery

Author

Meyer, Lukas, primary, Stracke, Christian Paul, additional, Broocks, Gabriel, additional, Wallocha, Marta, additional, Elsharkawy, Mohamed, additional, Sporns, Peter B, additional, Piechowiak, Eike I, additional, Kaesmacher, Johannes, additional, Maegerlein, Christian, additional, Hernandez Petzsche, Moritz Roman, additional, Zimmermann, Hanna, additional, Naziri, Weis, additional, Abdullayev, Nuran, additional, Kabbasch, Christoph, additional, Behme, Daniel, additional, Thormann, Maximilian, additional, Maus, Volker, additional, Fischer, Sebastian, additional, Möhlenbruch, Markus A, additional, Weyland, Charlotte Sabine, additional, Langner, Soenke, additional, Ernst, Marielle, additional, Jamous, Ala, additional, Meila, Dan, additional, Miszczuk, Milena, additional, Siebert, Eberhard, additional, Lowens, Stephan, additional, Krause, Lars Udo, additional, Yeo, Leonard LL, additional, Tan, Benjamin Y Q, additional, Gopinathan, Anil, additional, Gory, Benjamin, additional, Galvan Fernandez, Jorge, additional, Schüller Arteaga, Miguel, additional, Navia, Pedro, additional, Raz, Eytan, additional, Shapiro, Maksim, additional, Arnberg, Fabian, additional, Zeleňák, Kamil, additional, Martínez-Galdámez, Mario, additional, Alexandrou, Maria, additional, Kastrup, Andreas, additional, Papanagiotou, Panagiotis, additional, Dorn, Franziska, additional, Kemmling, André, additional, Psychogios, Marios-Nikos, additional, Andersson, Tommy, additional, Chapot, René, additional, Fiehler, Jens, additional, and Hanning, Uta, additional

Published
2023
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22. Uncooled TATO microwave system for liver ablation

Author

Crespo, Eduardo, primary, Hermosín, Antonio, additional, Villalba, Álvaro, additional, Daguer, Eduardo, additional, Flores, José, additional, Periañez, Javier, additional, Martínez-Galdámez, Mario, additional, and Santos, Ernesto, additional

Published
2023
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24. Thrombectomy versus Medical Management for Isolated Anterior Cerebral Artery Stroke: An International Multicenter Registry Study

Author

Meyer, Lukas, Stracke, Paul, Broocks, Gabriel, Elsharkawy, Mohamed, Sporns, Peter, Piechowiak, Eike I, Kaesmacher, Johannes, Maegerlein, Christian, Hernandez Petzsche, Moritz Roman, Zimmermann, Hanna, Naziri, Weis, Abdullayev, Nuran, Kabbasch, Christoph, Diamandis, Elie, Thormann, Maximilian, Maus, Volker, Fischer, Sebastian, Möhlenbruch, Markus, Weyland, Charlotte S, Ernst, Marielle, Jamous, Ala, Meila, Dan, Miszczuk, Milena, Siebert, Eberhard, Lowens, Stephan, Krause, Lars Udo, Yeo, Leonard, Tan, Benjamin, Gopinathan, Anil, Arenillas-Lara, Juan F, Navia, Pedro, Raz, Eytan, Shapiro, Maksim, Arnberg, Fabian, Zeleňák, Kamil, Martínez-Galdámez, Mario, Alexandrou, Maria, Kastrup, Andreas, Papanagiotou, Panagiotis, Kemmling, André, Dorn, Franziska, Psychogios, Marios, Andersson, Tommy, Chapot, René, Fiehler, Jens, and Hanning, Uta

Subjects
610 Medizin und Gesundheit
Abstract

Background Evidence supporting a potential benefit of thrombectomy for distal medium vessel occlusions (DMVOs) of the anterior cerebral artery (ACA) is, to the knowledge of the authors, unknown. Purpose To compare the clinical and safety outcomes between mechanical thrombectomy (MT) and best medical treatment (BMT) with or without intravenous thrombolysis for primary isolated ACA DMVOs. Materials and Methods Treatment for Primary Medium Vessel Occlusion Stroke, or TOPMOST, is an international, retrospective, multicenter, observational registry of patients treated for DMVO in daily practice. Patients treated with thrombectomy or BMT alone for primary ACA DMVO distal to the A1 segment between January 2013 and October 2021 were analyzed and compared by one-to-one propensity score matching (PSM). Early outcome was measured by the median improvement of National Institutes of Health Stroke Scale (NIHSS) scores at 24 hours. Favorable functional outcome was defined as modified Rankin scale scores of 0-2 at 90 days. Safety was assessed by the occurrence of symptomatic intracerebral hemorrhage and mortality. Results Of 154 patients (median age, 77 years; quartile 1 [Q1] to quartile 3 [Q3], 66-84 years; 80 men; 94 patients with MT; 60 patients with BMT) who met the inclusion criteria, 110 patients (median age, 76 years; Q1-Q3, 67-83 years; 50 men; 55 patients with MT; 55 patients with BMT) were matched. DMVOs were in A2 (82 patients; 53%), A3 (69 patients; 45%), and A3 (three patients; 2%). After PSM, the median 24-hour NIHSS point decrease was -2 (Q1-Q3, -4 to 0) in the thrombectomy and -1 (Q1-Q3, -4 to 1.25) in the BMT cohort (P = .52). Favorable functional outcome (MT vs BMT, 18 of 37 [49%] vs 19 of 39 [49%], respectively; P = .99) and mortality (MT vs BMT, eight of 37 [22%] vs 12 of 39 [31%], respectively; P = .36) were similar in both groups. Symptomatic intracranial hemorrhage occurred in three (2%) of 154 patients. Conclusion Thrombectomy appears to be a safe and technically feasible treatment option for primary isolated anterior cerebral artery occlusions in the A2 and A3 segment with clinical outcomes similar to best medical treatment with and without intravenous thrombolysis. © RSNA, 2023 Supplemental material is available for this article. See also the editorial by Zhu and Wang in this issue.

Published
2023
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25. Operator Technique and Impact on First Pass Effect Primary Results of the Assist Global Registry

Author

Gupta, Rishi, primary, Miralbés, Salvador, additional, Bonilla, Angel Calleja, additional, Naravetla, Bharath, additional, Majjhoo, Aniel, additional, Rayes, Mahmoud, additional, Spiotta, Alejandro, additional, Loehr, Christian, additional, Cioltan, Andreea, additional, Vollherbst, Dominik, additional, Martínez-Galdámez, Mario, additional, Galván-Fernandez, Jorge, additional, Khaldi, Ahmad, additional, McTaggart, Ryan A., additional, Jayaraman, Mahesh, additional, Defreyne, Luc, additional, Dhondt, Elisabeth, additional, Vega, Pedro, additional, Murias, Eduardo, additional, Lin, Eugene, additional, Chaubal, Varun, additional, Price, Lori Lyn, additional, Liebeskind, David S., additional, and Mohlenbruch, Markus, additional

Published
2023
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26. International controlled study of revascularization and outcomes following COVID-positive mechanical thrombectomy

Author

North American Neurovascular COVID-19 (NAN-C) Consortium &amp, Dmytriw, Adam A, Ghozy, Sherief, Sweid, Ahmad, Piotin, Michel, Bekelis, Kimon, Sourour, Nader, Raz, Eytan, Vela-Duarte, Daniel, Linfante, Italo, Dabus, Guilherme, Kole, Max, Martínez-Galdámez, Mario, Nimjee, Shahid M, Lopes, Demetrius K, Hassan, Ameer E, Kan, Peter, Ghorbani, Mohammad, Levitt, Michael R, Escalard, Simon, Missios, Symeon, Shapiro, Maksim, Clarençon, Fréderic, Elhorany, Mahmoud, Tahir, Rizwan A, Youssef, Patrick P, Pandey, Aditya S, Starke, Robert M, El Naamani, Kareem, Abbas, Rawad, Mansour, Ossama Y, Galvan, Jorge, Billingsley, Joshua T, Mortazavi, Abolghasem, Walker, Melanie, Dibas, Mahmoud, Settecase, Fabio, Heran, Manraj KS, Kuhn, Anna L, Puri, Ajit S, Menon, Bijoy K, Sivakumar, Sanjeev, Mowla, Ashkan, D'Amato, Salvatore, Zha, Alicia M, Cooke, Daniel, Vranic, Justin E, Regenhardt, Robert W, Rabinov, James D, Stapleton, Christopher J, Goyal, Mayank, Wu, Hannah, Cohen, Jake, Turkel-Parella, David, Xavier, Andrew, Waqas, Muhammad, Tutino, Vincent, Siddiqui, Adnan, Gupta, Gaurav, Nanda, Anil, Khandelwal, Priyank, Tiu, Cristina, Portela, Pere C, Perez de la Ossa, Natalia, Urra, Xabier, de Lera, Mercedes, Arenillas, Juan F, Ribo, Marc, Requena, Manuel, Piano, Mariangela, Pero, Guglielmo, De Sousa, Keith, Al-Mufti, Fawaz, Hashim, Zafar, Nayak, Sanjeev, Renieri, Leonardo, Du, Rose, Aziz-Sultan, Mohamed A, Liebeskind, David, Nogueira, Raul G, Abdalkader, Mohamad, Nguyen, Thanh N, Vigilante, Nicholas, Siegler, James E, Grossberg, Jonathan A, Saad, Hassan, Gooch, Michael R, Herial, Nabeel A, Rosenwasser, Robert H, Tjoumakaris, Stavropoula, Patel, Aman B, Tiwari, Ambooj, and Jabbour, Pascal

Subjects
North American Neurovascular COVID-19 (NAN-C) Consortium &amp, Male, Neurology & Neurosurgery, Endovascular Procedures, Clinical Sciences, Neurosciences, COVID-19, morbidity, mortality, stroke, Society of Vascular and Interventional Neurology (SVIN) Investigators, Brain Ischemia, Treatment Outcome, Cross-Sectional Studies, Good Health and Well Being, Clinical Research, large vessel occlusion, Humans, Thrombectomy, Retrospective Studies
Abstract

Background and purposePrevious studies suggest that mechanisms and outcomes in patients with COVID-19-associated stroke differ from those in patients with non-COVID-19-associated strokes, but there is limited comparative evidence focusing on these populations. The aim of this study, therefore, was to determine if a significant association exists between COVID-19 status with revascularization and functional outcomes following thrombectomy for large vessel occlusion (LVO), after adjustment for potential confounding factors.MethodsA cross-sectional, international multicenter retrospective study was conducted in consecutively admitted COVID-19 patients with concomitant acute LVO, compared to a control group without COVID-19. Data collected included age, gender, comorbidities, clinical characteristics, details of the involved vessels, procedural technique, and various outcomes. A multivariable-adjusted analysis was conducted.ResultsIn this cohort of 697 patients with acute LVO, 302 had COVID-19 while 395 patients did not. There was a significant difference (p

Published
2022

28. Neutrophil–Lymphocyte ratio is associated with poor clinical outcome after mechanical thrombectomy in stroke in patients with COVID-19.

Author

Al-Mufti, Fawaz, Khandelwal, Priyank, Sursal, Tolga, Cooper, Jared B., Feldstein, Eric, Amuluru, Krishna, Moré, Jayaji M., Tiwari, Ambooj, Singla, Amit, Dmytriw, Adam A, Piano, Mariangela, Quilici, Luca, Pero, Guglielmo, Renieri, Leonardo, Limbucci, Nicola, Martínez-Galdámez, Mario, Schüller-Arteaga, Miguel, Galván, Jorge, Arenillas-Lara, Juan Francisco, and Hashim, Zafar

Subjects
COVID-19, NEUTROPHIL lymphocyte ratio, ISCHEMIC stroke, COVID-19 pandemic, THROMBECTOMY
Abstract

Background: The neutrophil–lymphocyte ratio (NLR) is emerging as an important biomarker of acute physiologic stress in a myriad of medical conditions, and is a confirmed poor prognostic indicator in COVID-19. Objective: We sought to describe the role of NLR in predicting poor outcome in COVID-19 patients undergoing mechanical thrombectomy for acute ischemic stroke. Methods: We analyzed NLR in COVID-19 patients with large vessel occlusion (LVO) strokes enrolled into an international 12-center retrospective study of laboratory-confirmed COVID-19, consecutively admitted between March 1, 2020 and May 1, 2020. Increased NLR was defined as ≥7.2. Logistic regression models were generated. Results: Incidence of LVO stroke was 38/6698 (.57%). Mean age of patients was 62 years (range 27–87), and mortality rate was 30%. Age, sex, and ethnicity were not predictive of mortality. Elevated NLR and poor vessel recanalization (Thrombolysis in Cerebral Infarction (TICI) score of 1 or 2a) synergistically predicted poor outcome (likelihood ratio 11.65, p =.003). Patients with NLR > 7.2 were 6.8 times more likely to die (OR 6.8, CI95% 1.2–38.6, p =.03) and almost 8 times more likely to require prolonged invasive mechanical ventilation (OR 7.8, CI95% 1.2–52.4, p =.03). In a multivariate analysis, NLR > 7.2 predicted poor outcome even when controlling for the effect of low TICI score on poor outcome (NLR p =.043, TICI p =.070). Conclusions: We show elevated NLR in LVO patients with COVID-19 portends significantly worse outcomes and increased mortality regardless of recanalization status. Severe neuro-inflammatory stress response related to COVID-19 may negate the potential benefits of successful thrombectomy. [ABSTRACT FROM AUTHOR]

Published
2023
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29. Effect of anesthetic strategies on distal stroke thrombectomy in the anterior and posterior cerebral artery

Author

Meyer, Lukas, Stracke, Christian Paul, Broocks, Gabriel, Wallocha, Marta, Elsharkawy, Mohamed, Sporns, Peter B, Piechowiak, Eike I, Kaesmacher, Johannes, Maegerlein, Christian, Hernandez Petzsche, Moritz Roman, Zimmermann, Hanna, Naziri, Weis, Abdullayev, Nuran, Kabbasch, Christoph, Behme, Daniel, Thormann, Maximilian, Maus, Volker, Fischer, Sebastian, Mo¨hlenbruch, Markus A, Weyland, Charlotte Sabine, Langner, Soenke, Ernst, Marielle, Jamous, Ala, Meila, Dan, Miszczuk, Milena, Siebert, Eberhard, Lowens, Stephan, Krause, Lars Udo, Yeo, Leonard LL, Tan, Benjamin Y Q, Gopinathan, Anil, Gory, Benjamin, Galvan Fernandez, Jorge, Schu¨ller Arteaga, Miguel, Navia, Pedro, Raz, Eytan, Shapiro, Maksim, Arnberg, Fabian, Zeleňák, Kamil, Martínez-Galdámez, Mario, Alexandrou, Maria, Kastrup, Andreas, Papanagiotou, Panagiotis, Dorn, Franziska, Kemmling, André, Psychogios, Marios-Nikos, Andersson, Tommy, Chapot, René, Fiehler, Jens, and Hanning, Uta

Abstract

BackgroundNumerous questions regarding procedural details of distal stroke thrombectomy remain unanswered. This study assesses the effect of anesthetic strategies on procedural, clinical and safety outcomes following thrombectomy for distal medium vessel occlusions (DMVOs).MethodsPatients with isolated DMVO stroke from the TOPMOST registry were analyzed with regard to anesthetic strategies (ie, conscious sedation (CS), local (LA) or general anesthesia (GA)). Occlusions were in the P2/P3 or A2–A4 segments of the posterior and anterior cerebral arteries (PCA and ACA), respectively. The primary endpoint was the rate of complete reperfusion (modified Thrombolysis in Cerebral Infarction score 3) and the secondary endpoint was the rate of modified Rankin Scale score 0–1. Safety endpoints were the occurrence of symptomatic intracranial hemorrhage and mortality.ResultsOverall, 233 patients were included. The median age was 75 years (range 64–82), 50.6% (n=118) were female, and the baseline National Institutes of Health Stroke Scale score was 8 (IQR 4–12). DMVOs were in the PCA in 59.7% (n=139) and in the ACA in 40.3% (n=94). Thrombectomy was performed under LA±CS (51.1%, n=119) and GA (48.9%, n=114). Complete reperfusion was reached in 73.9% (n=88) and 71.9% (n=82) in the LA±CS and GA groups, respectively (P=0.729). In subgroup analysis, thrombectomy for ACA DMVO favored GA over LA±CS (aOR 3.07, 95% CI 1.24 to 7.57, P=0.015). Rates of secondary and safety outcomes were similar in the LA±CS and GA groups.ConclusionLA±CS compared with GA resulted in similar reperfusion rates after thrombectomy for DMVO stroke of the ACA and PCA. GA may facilitate achieving complete reperfusion in DMVO stroke of the ACA. Safety and functional long-term outcomes were comparable in both groups.

Published
2024
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30. Rescue Maneuver of Migrated Coil Using the ERIC Device after Previous Attempts with Conventional Stentrievers

Author

Schüller-Arteaga, Miguel, Galván-Fernández, Jorge, Jiménez-Arribas, Paloma, Nogales-Martin, Leonor, Rodríguez-Arias, Carlos, and Martínez-Galdámez, Mario

Subjects
Medicine (General), medicine.medical_specialty, education, Neurosciences. Biological psychiatry. Neuropsychiatry, 030218 nuclear medicine & medical imaging, Aneurysm embolization, 03 medical and health sciences, R5-920, 0302 clinical medicine, Embolus, Technical Note, medicine, humans, Stent retriever, Therapeutic embolization, Retrospective review, business.industry, intracranial aneurysm, Surgery, retrospective studies, stents, thrombectomy, Electromagnetic coil, therapeutic embolization, business, 030217 neurology & neurosurgery, RC321-571
Abstract

Coil prolapse or migration is a rare but potentially serious complication that may occur during aneurysm embolization, with no standard management currently described. Here we describe our experience with the Embolus Retriever with Interlinked Cages (ERIC) device® (Microvention, Aliso Viejo, CA, USA) for the retrieval of prolapsed or migrated coils in a case series and Flow-Model analysis. First, a retrospective review was performed using our institution database for patients in which coil prolapse or migration occurred during aneurysm embolization, and data was collected and analyzed. Second, an in vitro Flow-Model analysis was performed comparing the ERIC device® with other stent retrievers for coil retrieval. In 2 cases, the ERIC device® successfully retrieved the displaced coil from intracranial circulation in 1 pass, after failure with other devices. In the Flow-Model, again the ERIC device® achieved success for retrieving a detached coil, whereas 2 other different stent retrievers failed to capture the coil after 2 attempts. The ERIC device® appears to be a safe and effective tool for retrieving a prolapsed or migrated coil from the intracranial circulation.

Published
2021
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31. Economic impact of the first pass effect in mechanical thrombectomy for acute ischaemic stroke treatment in Spain: a cost-effectiveness analysis from the national health system perspective

Author

González Diaz, Eva, primary, Rodríguez-Paz, Carlos, additional, Fernandez-Prieto, Andres, additional, Martínez-Galdámez, Mario, additional, Martínez-Moreno, Rosa, additional, Ortega Quintanilla, Joaquín, additional, Tomasello, Alejandro, additional, Zamarro, Joaquín, additional, Liebeskind, David, additional, Zaidat, Osama O, additional, and Mueller-Kronast, Nils H, additional

Published
2022
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33. Neutrophil–Lymphocyte ratio is associated with poor clinical outcome after mechanical thrombectomy in stroke in patients with COVID-19

Author

Al-Mufti, Fawaz, primary, Khandelwal, Priyank, additional, Sursal, Tolga, additional, Cooper, Jared B., additional, Feldstein, Eric, additional, Amuluru, Krishna, additional, Moré, Jayaji M., additional, Tiwari, Ambooj, additional, Singla, Amit, additional, Dmytriw, Adam A, additional, Piano, Mariangela, additional, Quilici, Luca, additional, Pero, Guglielmo, additional, Renieri, Leonardo, additional, Limbucci, Nicola, additional, Martínez-Galdámez, Mario, additional, Schüller-Arteaga, Miguel, additional, Galván, Jorge, additional, Arenillas-Lara, Juan Francisco, additional, Hashim, Zafar, additional, Nayak, Sanjeev, additional, Desousa, Keith, additional, Sun, Hai, additional, Agarwalla, Pankaj K., additional, Sudipta Roychowdhury, J, additional, Nourollahzadeh, Emad, additional, Prakash, Tannavi, additional, Xavier, Andrew R, additional, Diego Lozano, J, additional, Gupta, Gaurav, additional, Yavagal, Dileep R, additional, Elghanem, Mohammad, additional, Gandhi, Chirag D., additional, and Mayer, Stephan A., additional

Published
2022
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34. First clinical multicenter experience with the new Pipeline Vantage flow diverter

Author

Vollherbst, Dominik F, primary, Cekirge, H Saruhan, additional, Saatci, Isil, additional, Baltacioglu, Feyyaz, additional, Onal, Baran, additional, Koc, Osman, additional, Rautio, Riitta, additional, Sinisalo, Matias, additional, Tomasello, Alejandro, additional, Vega, Pedro, additional, Martínez-Galdámez, Mario, additional, Lynch, Jeremy, additional, Mendes Pereira, Vitor, additional, Bendszus, Martin, additional, and Möhlenbruch, Markus A, additional

Published
2022
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38. Mechanical Thrombectomy of the Fetal Posterior Cerebral Artery

Author

Abdalkader, Mohamad, primary, Sahoo, Anurag, additional, Dmytriw, Adam A., additional, Brinjikji, Waleed, additional, Dabus, Guilherme, additional, Raz, Eytan, additional, Renieri, Leonardo, additional, Laiso, Antonio, additional, Maud, Alberto, additional, Martínez‐Galdámez, Mario, additional, Galván‐Fernández, Jorge, additional, Schüller‐Arteaga, Miguel, additional, Al‐Mufti, Fawaz, additional, Amuluru, Krishna, additional, Fifi, Johanna T., additional, Majidi, Shahram, additional, Khandelwal, Priyank, additional, Moore, Justin M., additional, Ortega‐Gutierrez, Santiago, additional, Hassan, Ameer E., additional, Siegler, James E., additional, Nagel, Simon, additional, Zaidat, Osama O., additional, and Nguyen, Thanh N., additional

Published
2021
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39. Incidence, Characteristics and Outcomes of Large Vessel Stroke in COVID-19 Cohort: An International Multicenter Study

Author

Khandelwal, Priyank, primary, Al-Mufti, Fawaz, additional, Tiwari, Ambooj, additional, Singla, Amit, additional, Dmytriw, Adam A, additional, Piano, Mariangela, additional, Quilici, Luca, additional, Pero, Guglielmo, additional, Renieri, Leonardo, additional, Limbucci, Nicola, additional, Martínez-Galdámez, Mario, additional, Schüller-Arteaga, Miguel, additional, Galván, Jorge, additional, Arenillas-Lara, Juan Francisco, additional, Hashim, Zafar, additional, Nayak, Sanjeev, additional, Desousa, Keith, additional, Sun, Hai, additional, Agarwalla, Pankaj K, additional, Nanda, Anil, additional, Roychowdhury, J Sudipta, additional, Nourollahzadeh, Emad, additional, Prakash, Tannavi, additional, Gandhi, Chirag D, additional, Xavier, Andrew R, additional, Lozano, J Diego, additional, Gupta, Gaurav, additional, and Yavagal, Dileep R, additional

Published
2021
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40. First clinical multicenter experience with the new Pipeline Vantage flow diverter.

Author

Vollherbst, Dominik F., Cekirge, H. Saruhan, Saatci, Isil, Baltacioglu, Feyyaz, Onal, Baran, Koc, Osman, Rautio, Riitta, Sinisalo, Matias, Tomasello, Alejandro, Vega, Pedro, Martínez-Galdámez, Mario, Lynch, Jeremy, Mendes Pereira, Vitor, Bendszus, Martin, and Möhlenbruch, Markus A.

Subjects
RESEARCH, SCIENTIFIC observation, THERAPEUTIC embolization, RETROSPECTIVE studies, TREATMENT effectiveness, INTRACRANIAL aneurysms, PATIENT safety
Abstract

Background Flow diversion is an innovative and increasingly used technique for the treatment of intracranial aneurysms. New flow diverters (FDs) are being introduced to improve the safety and efficacy of this treatment. The aim of this study was to assess the safety, feasibility, and efficacy of the new Pipeline Vantage (PV) FD. Methods Patients with intracranial aneurysms treated with the PV at 10 international neurovascular centers were retrospectively analyzed. Patient and aneurysm characteristics, procedural parameters, complications, and the grade of occlusion were assessed. Results 60 patients with 70 aneurysms (5.0% with acute hemorrhage, 90.0% located in the anterior circulation) were included. 82 PVs were implanted in 61 treatment sessions. The PV could be successfully implanted in all treatments. Additional coiling was performed in 18.6%, and in- stent balloon angioplasty (to enhance the vessel wall apposition) in 24.6%. Periprocedural technical complications occurred in 24.6% of the treatments, were predominantly FD deployment problems, and were all asymptomatic. The overall symptomatic complication rate was 8.2% and the neurological symptomatic complication rate was 3.3%. Only one symptomatic complication was device- related (perforator artery infarctions leading to stroke). After a mean follow- up of 7.1 months, the rate of complete aneurysm occlusion was 77.9%. One patient (1.7%) died due to aneurysmal subarachnoid hemorrhage which occurred before treatment, unrelated to the procedure. Conclusions The new PV FD is safe and feasible for the treatment of intracranial aneurysms. The shortterm occlusion rates are promising but need further assessment in prospective long- term follow- up studies. [ABSTRACT FROM AUTHOR]

Published
2023
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44. Severe Epistaxis after Tissue Plasminogen Activator administration for Acute Ischemic Stroke in SARS-COV-2 Infection

Author

Khandelwal, Priyank, Martínez-Pías, Enrique, Bach, Ivo, Prakash, Tannavi, Hillen, Machteld E., Martínez-Galdámez, Mario, and Arenillas, Juan F.

Subjects
intravenous recombinant tissue plasminogen activator, Acute ischemic stroke, cerebral bleed, COVID-19, Case Report, Cerebral bleed, Epistaxis, RC666-701, Medical technology, Diseases of the circulatory (Cardiovascular) system, Intravenous recombinant tissue plasminogen activator, Severe acute respiratory syndrome coronavirus 2, R855-855.5, severe acute respiratory syndrome coronavirus 2
Abstract

Patients with COVID-19 may suffer from hemorrhagic complications. Our article highlights two cases of COVID-19-infected patients, who suffered severe epistaxis after initiation of intravenous recombinant tissue plasminogen activator (IV-rtPA) for acute ischemic stroke, followed by a sudden decline in their clinical status and ultimately leading to death within days. Given the global impact and mortality of COVID-19, it is essential to be aware of its unusual presentation and improve therapeutic strategies. We present two cases of individuals who suffered from a large vessel occlusion of and were candidates for both IV-rtPA and mechanical thrombectomy. They received IV-rtPA but had epistaxis so severe that they were not able to receive MT and died within the next few days. There are many potential mechanisms by which epistaxis can happen in an individual with COVID-19 who received IV-rtPA including invasion of the nasal mucosa and endothelium through angiotensin-converting enzyme 2 receptors by the virus. We also hypothesize that the coagulation abnormality seen in COVID-19 patients can be potentiated by the use of treatments such as IV-rtPA. We review these issues with a diagram illustrating the possible mechanisms.

Published
2021

45. Thrombectomy for secondary distal, medium vessel occlusions of the posterior circulation: seeking complete reperfusion

Author

Meyer, Lukas, primary, Stracke, Christian Paul, additional, Wallocha, Marta, additional, Broocks, Gabriel, additional, Sporns, Peter B, additional, Piechowiak, Eike I, additional, Kaesmacher, Johannes, additional, Maegerlein, Christian, additional, Dorn, Franziska, additional, Zimmermann, Hanna, additional, Naziri, Weis, additional, Abdullayev, Nuran, additional, Kabbasch, Christoph, additional, Behme, Daniel, additional, Jamous, Ala, additional, Maus, Volker, additional, Fischer, Sebastian, additional, Möhlenbruch, Markus, additional, Weyland, Charlotte Sabine, additional, Langner, Soenke, additional, Meila, Dan, additional, Miszczuk, Milena, additional, Siebert, Eberhard, additional, Lowens, Stephan, additional, Krause, Lars Udo, additional, Yeo, Leonard LL, additional, Tan, Benjamin YQ, additional, Gopinathan, Anil, additional, Gory, Benjamin, additional, Arenillas, Juan F, additional, Navia, Pedro, additional, Raz, Eytan, additional, Shapiro, Maksim, additional, Arnberg, Fabian, additional, Zeleňák, Kamil, additional, Martínez-Galdámez, Mario, additional, Kastrup, Andreas, additional, Papanagiotou, Panagiotis, additional, Kemmling, Andre, additional, Psychogios, Marios N, additional, Andersson, Tommy, additional, Chapot, René, additional, Fiehler, Jens, additional, and Hanning, Uta, additional

Published
2021
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47. First multicenter experience using the Silk Vista flow diverter in 60 consecutive intracranial aneurysms: technical aspects

Author

Martínez-Galdámez, Mario, primary, Onal, Yilmaz, additional, Cohen, José E, additional, Kalousek, Vladimir, additional, Rivera, Rodrigo, additional, Sordo, Juan Gabriel, additional, Echeverria, Daniel, additional, Pereira, Vitor M, additional, Blasco, Jordi, additional, Mardighian, Dikran, additional, Velioglu, Murat, additional, van Adel, Brian, additional, Wang, Bill Hao, additional, Gomori, J Moshe, additional, Filioglo, Andrei, additional, Čulo, Branimir, additional, Lynch, Jeremy, additional, Binboga, Ali Burak, additional, Onay, Mehmet, additional, Galvan Fernandez, Jorge, additional, Schüller Arteaga, Miguel, additional, Guio, Jose David, additional, Bhogal, Pervinder, additional, Makalanda, Levan, additional, Wong, Ken, additional, Aggour, Mohamed, additional, Gentric, Jean Christophe, additional, Gavrilovic, Vladimir, additional, Navia, Pedro, additional, Fernandez Prieto, Andrés, additional, González, Eva, additional, Aldea, Jesus, additional, López, Jose Luis, additional, Lorenzo-Gorriz, Antonio, additional, Madelrieux, Thomas, additional, Rouchaud, Aymeric, additional, and Mounayer, Charbel, additional

Published
2021
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48. Upper extremity transvenous access for neuroendovascular procedures: an international multicenter case series

Author

Abecassis, Isaac Josh, primary, Saini, Vasu, additional, Phillips, Timothy John, additional, Osbun, Joshua W, additional, Martínez-Galdámez, Mario, additional, Nada, Ahmed, additional, Levitt, Michael R, additional, Crowley, R Webster, additional, Sattur, Mithun G, additional, Spiotta, Alejandro M, additional, Luther, Evan, additional, Chen, Stephanie H, additional, Burks, Joshua, additional, Jabbour, Pascal, additional, Sweid, Ahmad, additional, Psychogios, Marios N, additional, Park, Min S, additional, Yavagal, Dileep R, additional, Peterson, Eric C, additional, Waqas, Muhammad, additional, Dossani, Rimal Hanif, additional, Davies, Jason M, additional, Brehm, Alex, additional, Selkirk, Gregory D, additional, Fox, W Christopher, additional, Abud, Daniel Giansante, additional, Galvan Fernandez, Jorge, additional, Schüller Arteaga, Miguel, additional, and Starke, Robert M, additional

Published
2021
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