Publications by authors named "Olvert Berkhemer"

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National trends in patient characteristics, interventional techniques and outcomes of endovascular treatment for acute ischaemic stroke: Final results of the MR CLEAN Registry (2014-2018).
Wouter H Hinsenveld, Josje Brouwer, Sanne J den Hartog, Agnetha Bruggeman, Manon Kappelhof, Olvert A Berkhemer

Eur Stroke J· December 2025

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Arterial collateral status and treatment effect of intravenous alteplase thrombolysis prior to endovascular treatment in patients with anterior circulation large vessel occlusion: prespecified analysis of the MR CLEAN-NO IV trial.
Wenjin Yang, Fabiano Cavalcante, Kilian M Treurniet, Manon Kappelhof, Agnetha A E Bruggeman, Olvert A Berkhemer

J Neurointerv Surg· September 2025

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Changes in hemorrhage pattern on consecutive non-contrast CT scans in non-aneurysmal subarachnoid hemorrhage patients.
René van den Berg, Wouter Dronkers, Olvert Berkhemer, Arian Karbe, Menno Germans

Brain Spine· September 2025

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Thrombectomy for Stroke With Large Infarct on Noncontrast CT: The TESLA Randomized Clinical Trial.

JAMA· September 2024

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Costs and health effects of CT perfusion-based selection for endovascular thrombectomy within 6 hours of stroke onset: a model-based health economic evaluation.
Henk van Voorst, Jan W Hoving, Miou S Koopman, Jasper D Daems, Daan Peerlings, Olvert A Berkhemer

J Neurol Neurosurg Psychiatry· May 2024

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Cost-effectiveness of CT perfusion for the detection of large vessel occlusion acute ischemic stroke followed by endovascular treatment: a model-based health economic evaluation study.
Henk van Voorst, Jan W Hoving, Miou S Koopman, Jasper D Daems, Daan Peerlings, Olvert A Berkhemer

Eur Radiol· April 2024

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Budget impact of endovascular treatment for acute ischaemic stroke patients in the Netherlands for 2015-2021.
Lucie A van den Berg, Olvert A Berkhemer, Puck S S Fransen, Debbie Beumer, Charles B L Majoie

Neth Heart J· June 2023

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Accuracy of Four Different CT Perfusion Thresholds for Ischemic Core Volume and Location Estimation Using IntelliSpace Portal.
Miou S Koopman, Jan W Hoving, Manon L Tolhuisen, Peng Jin, Frank O Thiele, Olvert A Berkhemer

J Cardiovasc Dev Dis· May 2023

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Endovascular treatment versus no endovascular treatment after 6-24 h in patients with ischaemic stroke and collateral flow on CT angiography (MR CLEAN-LATE) in the Netherlands: a multicentre, open-label, blinded-endpoint, randomised, controlled, phase 3 trial.
Susanne G H Olthuis, F Anne V Pirson, Florentina M E Pinckaers, Wouter H Hinsenveld, Daan Nieboer, Olvert A Berkhemer

Lancet· April 2023

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Successful reperfusion in relation to the number of passes: comparing outcomes of first pass expanded Treatment In Cerebral Ischemia (eTICI) 2B with multiple-pass eTICI 3.
Agnetha A E Bruggeman, Manon Kappelhof, Sanne J den Hartog, James F Burke, Olvert A Berkhemer

J Neurointerv Surg· February 2023

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Accuracy of CT perfusion ischemic core volume and location estimation: A comparison between four ischemic core estimation approaches using syngo.via.
Jan W Hoving, Miou S Koopman, Manon L Tolhuisen, Henk van Voorst, Marcus Brehm, Olvert A Berkhemer

PLoS One· December 2022

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Prehospital transdermal glyceryl trinitrate in patients with presumed acute stroke (MR ASAP): an ambulance-based, multicentre, randomised, open-label, blinded endpoint, phase 3 trial.
Sophie A van den Berg, Simone M Uniken Venema, Hendrik Reinink, Jeannette Hofmeijer, Wouter J Schonewille, Olvert A Berkhemer

Lancet Neurol· November 2022

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Risk factors of late lesion growth after acute ischemic stroke treatment.
Praneeta Konduri, Amber Bucker, Anna Boers, Bruna Dutra, Noor Samuels, Olvert Berkhemer

Front Neurol· October 2022

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Outcome Prediction Based on Automatically Extracted Infarct Core Image Features in Patients with Acute Ischemic Stroke.
Manon L Tolhuisen, Jan W Hoving, Miou S Koopman, Manon Kappelhof, Henk van Voorst, Olvert A Berkhemer

Diagnostics (Basel)· July 2022

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Cost-effectiveness of CT perfusion for patients with acute ischemic stroke (CLEOPATRA)-Study protocol for a healthcare evaluation study.
Miou S Koopman, Jan W Hoving, Henk van Voorst, Jasper D Daems, Daan Peerlings, Olvert A Berkhemer

Eur Stroke J· June 2022

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Value of infarct location in the prediction of functional outcome in patients with an anterior large vessel occlusion: results from the HERMES study.
Manon L Tolhuisen, Marielle Ernst, Anne M M Boers, Scott Brown, Ludo F M Beenen, Olvert A Berkhemer

Neuroradiology· March 2022

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Economic Evaluation of Endovascular Treatment for Acute Ischemic Stroke.
Lucie A van den Berg, Olvert A Berkhemer, Puck S S Fransen, Debbie Beumer, Hester Lingsma

Stroke· March 2022

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Safety and efficacy of aspirin, unfractionated heparin, both, or neither during endovascular stroke treatment (MR CLEAN-MED): an open-label, multicentre, randomised controlled trial.
Wouter van der Steen, Rob A van de Graaf, Vicky Chalos, Hester F Lingsma, Pieter Jan van Doormaal, Olvert Berkhemer

Lancet· March 2022

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Added Value of a Blinded Outcome Adjudication Committee in an Open-Label Randomized Stroke Trial.
Nadinda A M van der Ende, Bob Roozenbeek, Olvert A Berkhemer, Peter J Koudstaal, Jelis Boiten

Stroke· January 2022

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Association of Ischemic Core Imaging Biomarkers With Post-Thrombectomy Clinical Outcomes in the MR CLEAN Registry.
Miou S Koopman, Jan W Hoving, Manon Kappelhof, Olvert A Berkhemer, Ludo F M Beenen

Front Neurol· January 2022

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Posttreatment Ischemic Lesion Evolution Is Associated With Reduced Favorable Functional Outcome in Patients With Stroke.
Praneeta Konduri, Henk van Voorst, Amber Bucker, Katinka van Kranendonk, Anna Boers, Olvert Berkhemer

Stroke· November 2021

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Associations of thrombus perviousness derived from entire thrombus segmentation with functional outcome in patients with acute ischemic stroke.
Emilie M M Santos, Nerea Arrarte Terreros, Manon Kappelhof, Jordi Borst, Anna M M Boers, Olvert A Berkhemer

J Biomech· November 2021

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A Randomized Trial of Intravenous Alteplase before Endovascular Treatment for Stroke.
Natalie E LeCouffe, Manon Kappelhof, Kilian M Treurniet, Leon A Rinkel, Agnetha E Bruggeman, Olvert A Berkhemer

N Engl J Med· November 2021

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Prediction of Outcome and Endovascular Treatment Benefit: Validation and Update of the MR PREDICTS Decision Tool.
Esmee Venema, Bob Roozenbeek, Maxim J H L Mulder, Scott Brown, Charles B L M Majoie, Olvert A Berkhemer

Stroke· August 2021

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The Role of Edema in Subacute Lesion Progression After Treatment of Acute Ischemic Stroke.
Praneeta Konduri, Katinka van Kranendonk, Anna Boers, Kilian Treurniet, Olvert Berkhemer

Front Neurol· July 2021

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