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Association of baseline infarct size, reperfusion grade and intracranial hemorrhage in patients undergoing thrombectomy

Journal of NeuroInterventional Surgery
2025-03-23 | Journal article
Contributors: Alexander Stebner; Salome Lou Bosshart; Satoru Fujiwara; Donald Frei; Jason Tarpley; Dariush Dowlatshahi; Jeremy L Rempel; Michael D Hill; Mayank Goyal; Johanna M Ospel
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Crossref

Modified Rankin Scale at 90 Days Versus National Institutes of Health Stroke Scale at 24 Hours as Primary Outcome in Acute Stroke Trials

Journal of the American Heart Association
2025-03-04 | Journal article
Contributors: Johanna M. Ospel; Scott Brown; Salome Bosshart; Alexander Stebner; Kazutaka Uchida; Andrew Demchuk; Jeffrey L. Saver; Philip White; Keith W. Muir; Diederik W. J. Dippel et al.
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Crossref

A visual journey through medium vessel occlusion strokes: From diagnosis to treatment

Interventional Neuroradiology
2025-02-27 | Journal article
Contributors: Alexander Stebner; Salome L Bosshart; Satoru Fujiwara; Roberto Souza; Mariana Bento; Johanna Ospel
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Crossref

Factors Influencing Nerinetide Effect on Infarct Volume in Patients Without Alteplase in the Randomized ESCAPE-NA1 Trial

Stroke
2025-01 | Journal article
Contributors: Johanna M. Ospel; Mayank Goyal; Bijoy K. Menon; Mohammed A. Almekhlafi; Charlotte Zerna; Raul G. Nogueira; Ryan A. McTaggart; Andrew M. Demchuk; Alexandre Y. Poppe; Jeremy L. Rempel et al.
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Crossref

Evolution of Imaging Techniques in Ischemic Stroke

Stroke
2025-01-08 | Journal article
Contributors: Johanna M. Ospel; Bijoy K. Menon
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Crossref

Statistical principles in neurointervention part 1: basic principles, descriptive statistics and univariable analysis

Journal of NeuroInterventional Surgery
2025-01-03 | Journal article
Contributors: William Diprose; Megan Harmon; Scott B Brown; Jessalyn K Holodinsky; Johanna M Ospel
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Crossref

Statistical principles in neurointervention part 2. Multivariable analysis: generalized linear models, modification, confounding, and mediation

Journal of NeuroInterventional Surgery
2025-01-03 | Journal article
Contributors: Megan Harmon; William Diprose; Scott B Brown; Johanna M Ospel; Jessalyn K Holodinsky
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Crossref

A Multitask Deep Learning Model for Voxel-Level Brain Age Estimation

2024 | Book chapter
Contributors: Neha Gianchandani; Johanna Ospel; Ethan MacDonald; Roberto Souza
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Crossref

Designing clinical trials for bridging cerebroprotection in the era of mechanical thrombectomy: are we missing the point?

Journal of NeuroInterventional Surgery
2024-12 | Journal article
Contributors: Mayank Goyal; Michael D Hill; Johanna M Ospel
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Crossref

European Stroke Organisation and European Society for Minimally Invasive Neurological Therapy guideline on acute management of basilar artery occlusion

European Stroke Journal
2024-12 | Journal article
Contributors: Daniel Strbian; Georgios Tsivgoulis; Johanna Ospel; Silja Räty; Petra Cimflova; Georgios Georgiopoulos; Teresa Ullberg; Caroline Arquizan; Jan Gralla; Kamil Zeleňák et al.
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Crossref

An Introduction to Bayesian Approaches to Trial Design and Statistics for Stroke Researchers

Stroke
2024-11 | Journal article
Contributors: Johanna M. Ospel; Scott Brown; Jessalyn K. Holodinsky; Leon Rinkel; Aravind Ganesh; Shelagh B. Coutts; Bijoy Menon; Benjamin R. Saville; Michael D. Hill; Mayank Goyal
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Crossref

Cost-Effectiveness of Late Endovascular Thrombectomy vs. Best Medical Management in a Clinical Trial Setting and Real-World Setting

Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques
2024-11 | Journal article
Contributors: Johanna Maria Ospel; Charlotte Zerna; Emma Harrison; Timothy J. Kleinig; Volker Puetz; Daniel P. O. Kaiser; Brett Graham; Amy Y.X. Yu; Brian van Adel; Jai J. Shankar et al.
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Crossref

Invited Commentary: Detecting Medium-Vessel Occlusions: Back to the Basics

RadioGraphics
2024-11-01 | Journal article
Contributors: Johanna Maria Ospel; Thanh N. Nguyen
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Crossref

Neurointerventional surveys between 2000 and 2023: a systematic review

Journal of NeuroInterventional Surgery
2024-10-08 | Journal article
Contributors: Salome Lou Bosshart; Alexander Stebner; Charlotte Sabine Weyland; Răzvan Alexandru Radu; Johanna Maria Ospel
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Crossref

European Stroke Organisation (ESO) and European Society for Minimally Invasive Neurological Therapy (ESMINT) guideline on acute management of basilar artery occlusion

Journal of NeuroInterventional Surgery
2024-09 | Journal article
Contributors: Daniel Strbian; Georgios Tsivgoulis; Johanna Ospel; Silja Räty; Petra Cimflova; Georgios Georgiopoulos; Teresa Ullberg; Caroline Arquizan; Jan Gralla; Kamil Zelenak et al.
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Crossref

Challenges to Widespread Implementation of Stroke Thrombectomy

Stroke
2024-08 | Journal article
Contributors: Johanna Maria Ospel; William K. Diprose; Aravind Ganesh; Sheila Martins; Thanh Nguyen; Marios Psychogios; Ossama Mansour; Fahad Al-Ajlan; Pengfei Yang; Jeyaraj Pandian et al.
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Crossref

Effect of incomplete reperfusion patterns on clinical outcome: insights from the ESCAPE-NA1 trial

Journal of NeuroInterventional Surgery
2024-08 | Journal article
Contributors: Petra Cimflova; Nishita Singh; Manon Kappelhof; Johanna M Ospel; Arshia Sehgal; Nima Kashani; Mohammed A Almekhlafi; Andrew M Demchuk; Joerg Berrouschot; Franziska Dorn et al.
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Crossref

Reader Response: Factors Associated With Fast Early Infarct Growth in Patients With Acute Ischemic Stroke With a Large Vessel Occlusion

Neurology
2024-08-27 | Journal article
Contributors: Umberto Pensato; Andrew Demchuk; Johanna M. Ospel
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Crossref

Association between CT Perfusion Parameters and Hemorrhagic Transformation after Endovascular Treatment in Acute Ischemic Stroke: Results from the ESCAPE-NA1 Trial

American Journal of Neuroradiology
2024-07 | Journal article
Contributors: Rosalie V. McDonough; Nathaniel B. Rex; Johanna M. Ospel; Nima Kashani; Leon A. Rinkel; Arshia Sehgal; Joachim C. Fladt; Ryan A. McTaggart; Raul Nogueira; Bijoy Menon et al.
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Crossref

No Sex Differences in Mechanical Thrombectomy Time Metrics and Outcomes in Saskatchewan

Canadian Journal of Neurological Sciences / Journal Canadien des Sciences Neurologiques
2024-07 | Journal article
Contributors: Johanna M. Ospel; Nima Kashani; Nishita Singh; Amy Zhou; Petra Cimflova; Manon Kappelhof; Eva Liu; Nicole Pendleton; Kristen Marciniuk; Patrick Toyota et al.
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Crossref

Influence of Infarct Morphology and Patterns on Cognitive Outcomes After Endovascular Thrombectomy

Stroke
2024-05 | Journal article
Contributors: Johanna Maria Ospel; Leon Rinkel; Aravind Ganesh; Andrew Demchuk; Manish Joshi; Alexandre Poppe; Ryan McTaggart; Raul Nogueira; Bijoy Menon; Michael Tymianski et al.
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Crossref

What Is a Meaningful Difference When Using Infarct Volume as the Primary Outcome?: Results From the HERMES Database

Stroke
2024-04 | Journal article
Contributors: Leon A. Rinkel; Johanna M. Ospel; Scott B. Brown; Bruce C.V. Campbell; Diederik W.J. Dippel; Andrew M. Demchuk; Charles B.L.M. Majoie; Peter J. Mitchell; Serge Bracard; Francis Guillemin et al.
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Crossref

A voxel-level approach to brain age prediction: A method to assess regional brain aging

Machine Learning for Biomedical Imaging
2024-04-25 | Journal article
Contributors: Neha Gianchandani; Mahsa Dibaji; Johanna Ospel; Fernando Vega; Mariana Bento; M. Ethan MacDonald; Roberto Souza
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Crossref

Cost-effectiveness of endovascular treatment versus best medical management in basilar artery occlusion stroke: A U.S. healthcare perspective

European Stroke Journal
2024-03 | Journal article
Contributors: Dirk Mehrens; Matthias P Fabritius; Paul Reidler; Thomas Liebig; Saif Afat; Johanna M Ospel; Matthias F Fröhlich; Julian Schwarting; Jens Ricke; Konstantinos Dimitriadis et al.
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Crossref

Endovascular Treatment of Medium Vessel Occlusion Stroke

Stroke
2024-03 | Journal article
Contributors: Johanna M. Ospel; Thanh N. Nguyen; Ashutosh P. Jadhav; Marios-Nikos Psychogios; Frédéric Clarençon; Bernard Yan; Mayank Goyal
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Crossref

Evolving Role of Imaging in Acute Ischemic Stroke Care

Stroke
2024-03 | Journal article
Contributors: Johanna Maria Ospel; Grégoire Boulouis
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Crossref

Prevalence of “Ghost Infarct Core” after Endovascular Thrombectomy

American Journal of Neuroradiology
2024-03 | Journal article
Contributors: Johanna M. Ospel; Nathaniel Rex; Leon Rinkel; Nima Kashani; Brian Buck; Jeremy Rempel; Demetrios Sahlas; Michael E. Kelly; Ron Budzik; Michael Tymianski et al.
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Crossref

What should neurointerventionalists know about cost-effectiveness research, and why should they care?

Journal of NeuroInterventional Surgery
2024-03 | Journal article
Contributors: Johanna M Ospel; Wolfgang G Kunz; Leon A Rinkel; Pina C Sanelli; Joshua A Hirsch
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Crossref

Intravenous Thrombolysis Prior to Endovascular Treatment for Large Ischemic Cores: Need for Qualitative Assessment of the Ischemic Core

Radiology
2024-01-01 | Journal article
Contributors: Leon A. Rinkel; Johanna M. Ospel; Kazutaka Uchida; William K. Diprose; Mayank Goyal
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Crossref

Recent developments in pre-hospital and in-hospital triage for endovascular stroke treatment

Journal of NeuroInterventional Surgery
2023-11 | Journal article
Contributors: Johanna M Ospel; Adam A Dmytriw; Robert W Regenhardt; Aman B Patel; Joshua A Hirsch; Martin Kurz; Mayank Goyal; Aravind Ganesh
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Crossref

Cost-effectiveness of Endovascular Treatment for Acute Stroke with Large Infarct: A United States Perspective

Radiology
2023-10-01 | Journal article
Contributors: Johanna Maria Ospel; Wolfgang Gerhard Kunz; Rosalie Victoria McDonough; Mayank Goyal; Kazutaka Uchida; Nobuyuki Sakai; Hiroshi Yamagami; Shinichi Yoshimura
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Crossref

CT Perfusion Does Not Modify the Effect of Reperfusion in Patients with Acute Ischemic Stroke Undergoing Endovascular Treatment in the ESCAPE-NA1 Trial

American Journal of Neuroradiology
2023-09 | Journal article
Contributors: N.B. Rex; R.V. McDonough; J.M. Ospel; N. Kashani; A. Sehgal; J.C. Fladt; R.A. McTaggart; R. Nogueira; B. Menon; A.M. Demchuk et al.
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Crossref

Optimizing Patient-Centered Stroke Care and Research in the Prehospital Setting

Stroke
2023-09 | Journal article
Contributors: Joachim Fladt; Johanna M. Ospel; Nishita Singh; Jeffrey L. Saver; Marc Fisher; Mayank Goyal
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Crossref

Challenges and opportunities in research funding for neurovascular diseases from a clinical researcher's perspective

Interventional Neuroradiology
2023-08 | Journal article
Contributors: Johanna Maria Ospel; Rosalie McDonough; Aravind Ganesh; Arshia Sehgal; Manon Kappelhof; Nima Kashani; Catharina JM Klijn; Michael Hill; Jeffrey Saver; Mayank Goyal
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Crossref

Influence of geography, stroke timing, and weather conditions on transport and workflow times: Results from a longitudinal 5-year Canadian provincial registry

Interventional Neuroradiology
2023-08-22 | Journal article
Contributors: Nima Kashani; Johanna Maria Ospel; Nishita Singh; Amy Zhou; Aravind Ganesh; Jessalyn Kathryn Holodinsky; Mohammed Almekhlafi; Saman Fouladirad; Adam Frost; Lotus Yang et al.
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Crossref

Health economic impact of Nerinetide in addition to mechanical thrombectomy without concurrent alteplase

Interventional Neuroradiology
2023-08-17 | Journal article
Contributors: Johanna M Ospel; Corey Adams; Michael Tymianski; Mayank Goyal; Michael Hill
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Crossref

Treatment practice of vasospasm during endovascular thrombectomy: an international survey

2023-08-04 | Preprint
Contributors: J. Jesser; T. N. Nguyen; A. A. Dmytriw; H. Yamagami; Z. Miao; L. J. Sommer; A. Stockero; J. A. R. Pfaff; J. M. Ospel; M. Goyal et al.
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Crossref

Infarcts in a New Territory: Insights From the ESCAPE-NA1 Trial

Stroke
2023-06 | Journal article
Contributors: Nishita Singh; Petra Cimflova; Johanna Maria Ospel; Nima Kashani; Martha Marko; Arnuv Mayank; Raul G. Nogueira; Ryan A. McTaggart; Andrew M. Demchuk; Alexandre Y. Poppe et al.
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Crossref

Prevalence and Predictors of Multivessel Occlusions at Baseline Imaging in ESCAPE-NA1 Trial

Stroke
2023-06 | Journal article
Contributors: Nishita Singh; Petra Cimflova; Johanna Maria Ospel; Nima Kashani; Martha Marko; Arnuv Mayank; Michael D. Hill
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Crossref

Clinical outcome of patients with mild pre-stroke morbidity following endovascular treatment: a HERMES substudy

Journal of NeuroInterventional Surgery
2023-03 | Journal article
Contributors: Rosalie V McDonough; Johanna M Ospel; Charles B L M Majoie; Jeffrey L Saver; Philip White; Diederik W J Dippel; Scott B Brown; Andrew M Demchuk; Tudor G Jovin; Peter J Mitchell et al.
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Crossref

Distal Embolization in Relation to Radiological Thrombus Characteristics, Treatment Details, and Functional Outcome

Stroke
2023-02 | Journal article
Contributors: Fouzi Bala; Manon Kappelhof; Johanna M. Ospel; Petra Cimflova; Wu Qiu; Nishita Singh; Kairan Zhu; Beom Joon Kim; Ankur Wadhwa; Mohammed A. Almekhlafi et al.
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Genetically Determined Blood Pressure, Antihypertensive Medications, and Risk of Intracranial Aneurysms and Aneurysmal Subarachnoid Hemorrhage: A Mendelian Randomization Study

2023-02-23 | Preprint
Contributors: Hanchen Liu; Huiqin Zuo; Ospel Johanna; Rui Zhao; Pengfei Yang; Qiang Li; Xiaolei Lin; Yu Zhou; Jianmin Liu
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Crossref

Cost-Effectiveness of Endovascular Treatment in Large Vessel Occlusion Stroke With Mild Prestroke Disability: Results From the HERMES Collaboration

Stroke
2023-01 | Journal article
Contributors: Johanna M. Ospel; Wolfgang G. Kunz; Rosalie V. McDonough; Wim van Zwam; Floor Pinckaers; Jeffrey L. Saver; Michael D. Hill; Andrew M. Demchuk; Tudor G. Jovin; Peter Mitchell et al.
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Evaluating the Diagnostic Performance of Prehospital Stroke Scales Across the Range of Deficit Severity: Analysis of the Prehospital Triage of Patients With Suspected Stroke Study

Stroke
2022-12 | Journal article
Contributors: Aravind Ganesh; Ruben M. van de Wijdeven; Johanna M. Ospel; Martijne H.C. Duvekot; Esmee Venema; Anouk D. Rozeman; Walid Moudrous; Kirsten R.I.S. Dorresteijn; Jan-Hein Hensen; Adriaan C.G.M. van Es et al.
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Crossref

Influence of recent direct-to-EVT trials on practical decision-making for the treatment of acute ischemic stroke patients

Interventional Neuroradiology
2022-12 | Journal article
Contributors: Rosalie McDonough; Johanna Ospel; Nima Kashani; Manon Kappelhof; Jianmin Liu; Pengfei Yang; Charles Majoie; Yvo Roos; Mayank Goyal
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Validation of a machine learning software tool for automated large vessel occlusion detection in patients with suspected acute stroke

Neuroradiology
2022-12 | Journal article
Contributors: Petra Cimflova; Rotem Golan; Johanna M. Ospel; Alireza Sojoudi; Chris Duszynski; Ibukun Elebute; Houssam El-Hariri; Seyed Hossein Mousavi; Luis A. Souto Maior Neto; Najratun Pinky et al.
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CT Hyperdense Artery Sign and the Effect of Alteplase in Endovascular Thrombectomy after Acute Stroke

Radiology
2022-11 | Journal article
Contributors: Yu Zhou; Yantao Jing; Johanna Ospel; Mayank Goyal; Rosalie McDonough; Xincan Yue; Yuwei Ren; Yan Sun; Biao Li; Wenkai Yu et al.
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Association of Stent-Retriever Characteristics in Establishing Successful Reperfusion During Mechanical Thrombectomy

Clinical Neuroradiology
2022-09 | Journal article
Contributors: Petra Cimflova; Nishita Singh; Johanna M. Ospel; Martha Marko; Nima Kashani; Arnuv Mayank; Ricardo Hanel; Diogo C. Haussen; Aditya Bharatha; David Volders et al.
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Predictors and clinical impact of infarct progression rate in the ESCAPE-NA1 trial

Journal of NeuroInterventional Surgery
2022-09 | Journal article
Contributors: Johanna Maria Ospel; Rosalie McDonough; Andrew M Demchuk; Bijoy K Menon; Mohammed A Almekhlafi; Raul G Nogueira; Ryan A McTaggart; Alexandre Y Poppe; Brian H Buck; Daniel Roy et al.
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Crossref

Worldwide anaesthesia use during endovascular treatment for medium vessel occlusion stroke

Interventional Neuroradiology
2022-08 | Journal article
Contributors: Manon Kappelhof; Johanna M Ospel; Petra Cimflova; Nima Kashani; Nishita Singh; Rosalie McDonough; Arshia Sehgal; Mohammed A Almekhlafi; Jens Fiehler; Michael Chen et al.
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Peer review (9 reviews for 3 publications/grants)

Review activity for BMC neurology (3)
Review activity for Klinische Neuroradiologie. (3)
Review activity for PloS one. (3)