Search Results - "Cognard, Christophe"

Remnants and Recurrences After the Use of the WEB Intrasaccular Device in Large-Neck Bifurcation Aneurysms by Cognard, Christophe, Januel, Anne Christine

“…Abstract BACKGROUND: Flow disruption with the WEB technique has been developed to treat large-neck bifurcation aneurysms. OBJECTIVE: To report our anatomic…”
Get full text

Multisociety Consensus Quality Improvement Revised Consensus Statement for Endovascular Therapy of Acute Ischemic Stroke by Sacks, David, Baxter, Blaise, Campbell, Bruce C.V., Carpenter, Jeffrey S., Cognard, Christophe, Dippel, Diederik, Eesa, Muneer, Fischer, Urs, Hausegger, Klaus, Hirsch, Joshua A., Hussain, Muhammad Shazam, Jansen, Olav, Jayaraman, Mahesh V., Khalessi, Alexander A., Kluck, Bryan W., Lavine, Sean, Meyers, Philip M., Ramee, Stephen, Rüfenacht, Daniel A., Schirmer, Clemens M., Vorwerk, Dierk

Get full text

Stent-Retriever Thrombectomy after Intravenous t-PA vs. t-PA Alone in Stroke by Saver, Jeffrey L, Goyal, Mayank, Bonafe, Alain, Diener, Hans-Christoph, Levy, Elad I, Pereira, Vitor M, Albers, Gregory W, Cognard, Christophe, Cohen, David J, Hacke, Werner, Jansen, Olav, Jovin, Tudor G, Mattle, Heinrich P, Nogueira, Raul G, Siddiqui, Adnan H, Yavagal, Dileep R, Baxter, Blaise W, Devlin, Thomas G, Lopes, Demetrius K, Reddy, Vivek K, du Mesnil de Rochemont, Richard, Singer, Oliver C, Jahan, Reza

“…In acute ischemic stroke, thrombectomy with a stent retriever plus intravenous t-PA was more effective than t-PA in improving functional outcomes. At 90 days,…”
Get full text

Flow diversion treatment of complex bifurcation aneurysms beyond the circle of Willis: complications, aneurysm sac occlusion, reabsorption, recurrence, and jailed branch modification at follow-up by Michelozzi, Caterina, Darcourt, Jean, Guenego, Adrien, Januel, Anne-Christine, Tall, Philippe, Gawlitza, Matthias, Bonneville, Fabrice, Cognard, Christophe

“…The purpose of this study is to present the authors' medium-term results, with special emphasis on complications, occlusion rate of the aneurysm sac (digital…”
Get full text

Predictive Value of RAPID Assessed Perfusion Thresholds on Final Infarct Volume in SWIFT PRIME (Solitaire With the Intention for Thrombectomy as Primary Endovascular Treatment) by Mokin, Maxim, Levy, Elad I, Saver, Jeffrey L, Siddiqui, Adnan H, Goyal, Mayank, Bonafé, Alain, Cognard, Christophe, Jahan, Reza, Albers, Gregory W

“…BACKGROUND AND PURPOSE—Computed tomography perfusion imaging can estimate the size of the ischemic core, which can be used for the selection of patients for…”
Get full text

Ruptured Intracranial Aneurysms: Factors Affecting the Rate and Outcome of Endovascular Treatment Complications in a Series of 782 Patients (CLARITY Study) by PIEROT, Laurent, COGNARD, Christophe, ANXIONNAT, René, RICOLFI, Frédéric

“…To analyze the clinical and anatomic factors that affect the occurrence and outcome of complications (thromboembolic events and intraoperative rupture) in the…”
Get full text

Thrombectomy with or without intravenous thrombolytics in basilar artery occlusion by Maïer, Benjamin, Finitsis, Stephanos, Mazighi, Mikael, Lapergue, Bertrand, Marnat, Gaultier, Sibon, Igor, Richard, Sebastien, Cognard, Christophe, Viguier, Alain, Olivot, Jean-Marc, Gory, Benjamin

“…Two randomized trials demonstrated the benefit of endovascular therapy (EVT) in patients suffering from a stroke due to a basilar artery occlusion (BAO)…”
Get full text

Hydrogel-coated coils versus bare platinum coils for the endovascular treatment of intracranial aneurysms (HELPS): a randomised controlled trial by White, Philip M, Dr, Lewis, Stephanie C, PhD, Gholkar, Anil, FRCR, Sellar, Robin J, FRCR, Nahser, Hans, MD, Cognard, Christophe, Prof, Forrester, Lynn, RGN, Wardlaw, Joanna M, Prof

“…Summary Background Coated coils for endovascular treatment of cerebral aneurysm were developed to reduce recurrence and retreatment rates, and have been in…”
Get full text

Pipeline embolization of posterior circulation aneurysms: a multicenter study of 131 aneurysms by Griessenauer, Christoph J, Ogilvy, Christopher S, Adeeb, Nimer, Dmytriw, Adam A, Foreman, Paul M, Shallwani, Hussain, Limbucci, Nicola, Mangiafico, Salvatore, Kumar, Ashish, Michelozzi, Caterina, Krings, Timo, Pereira, Vitor Mendes, Matouk, Charles C, Harrigan, Mark R, Shakir, Hakeem J, Siddiqui, Adnan H, Levy, Elad I, Renieri, Leonardo, Marotta, Thomas R, Cognard, Christophe, Thomas, Ajith J

“…Flow diversion for posterior circulation aneurysms performed using the Pipeline embolization device (PED) constitutes an increasingly common off-label use for…”
Get full text

Assessment of the hypervascularized fraction of glioblastomas using a volume analysis of dynamic susceptibility contrast-enhanced MRI may help to identify pseudoprogression by Roques, Margaux, Catalaa, Isabelle, Raveneau, Magali, Attal, Justine, Siegfried, Aurore, Darcourt, Jean, Cognard, Christophe, de Champfleur, Nicolas Menjot, Bonneville, Fabrice

“…Purpose Although perfusion magnetic resonance imaging (MRI) is widely used to identify pseudoprogression, this advanced technique lacks clinical reliability…”
Get full text

Parenchymal Hemorrhage Rate Is Associated with Time to Reperfusion and Outcome by Olivot, Jean‐Marc, Finitsis, Stephanos, Lapergue, Bertrand, Marnat, Gaultier, Sibon, Igor, Richard, Sebastien, Viguier, Alain, Cognard, Christophe, Mazighi, Mikael, Gory, Benjamin

“…Objective Despite a 90% reperfusion rate, only 50% of patients with anterior circulation large vessel occlusion‐related acute ischemic stroke (LVO‐AIS) have a…”
Get full text

Ischemic core and hypoperfusion volumes predict infarct size in SWIFT PRIME by Albers, Gregory W., Goyal, Mayank, Jahan, Reza, Bonafe, Alain, Diener, Hans-Christoph, Levy, Elad I., Pereira, Vitor M., Cognard, Christophe, Cohen, David J., Hacke, Werner, Jansen, Olav, Jovin, Tudor G., Mattle, Heinrich P., Nogueira, Raul G., Siddiqui, Adnan H., Yavagal, Dileep R., Baxter, Blaise W., Devlin, Thomas G., Lopes, Demetrius K., Reddy, Vivek K., de Rochemont, Richard du Mesnil, Singer, Oliver C., Bammer, Roland, Saver, Jeffrey L.

“…Objective Within the context of a prospective randomized trial (SWIFT PRIME), we assessed whether early imaging of stroke patients, primarily with computed…”
Get full text

Mechanical thrombectomy in acute ischemic stroke: Consensus statement by ESO-Karolinska Stroke Update 2014/2015, supported by ESO, ESMINT, ESNR and EAN by Wahlgren, Nils, Moreira, Tiago, Michel, Patrik, Steiner, Thorsten, Jansen, Olav, Cognard, Christophe, Mattle, Heinrich P, van Zwam, Wim, Holmin, Staffan, Tatlisumak, Turgut, Petersson, Jesper, Caso, Valeria, Hacke, Werner, Mazighi, Mikael, Arnold, Marcel, Fischer, Urs, Szikora, Istvan, Pierot, Laurent, Fiehler, Jens, Gralla, Jan, Fazekas, Franz, Lees, Kennedy R

“…The original version of this consensus statement on mechanical thrombectomy was approved at the European Stroke Organisation (ESO)-Karolinska Stroke Update…”
Get full text

Characterising acute ischaemic stroke thrombi: insights from histology, imaging and emerging impedance-based technologies by Patil, Smita, Darcourt, Jean, Messina, Pierluca, Bozsak, Franz, Cognard, Christophe, Doyle, Karen

“…Treatment of acute ischaemic stroke (AIS) focuses on rapid recanalisation of the occluded artery. In recent years, advent of mechanical thrombectomy devices…”
Get full text

Predictive Value of Susceptibility Vessel Sign for Arterial Recanalization and Clinical Improvement in Ischemic Stroke by Darcourt, Jean, Withayasuk, Pattarawit, Vukasinovic, Ivan, Michelozzi, Caterina, Bellanger, Guillaume, Guenego, Adrien, Adam, Gilles, Roques, Margaux, Januel, Anne Christine, Tall, Philippe, Meyrignac, Olivier, Rousseau, Vanessa, Garcia, Cédric, Albucher, Jean François, Payrastre, Bernard, Bonneville, Fabrice, Olivot, Jean Marc, Cognard, Christophe

“…BACKGROUND AND PURPOSE—Our goal was to evaluate whether the presence of a low signal intensity known as susceptibility vessel sign (SVS) on T2*-gradient echo…”
Get full text

Risk of Intracerebral Hemorrhage and Mortality After Convexity Subarachnoid Hemorrhage in Cerebral Amyloid Angiopathy by Calviere, Lionel, Viguier, Alain, Patsoura, Sofia, Rousseau, Vanessa, Albucher, Jean-François, Planton, Mélanie, Pariente, Jérémie, Cognard, Christophe, Olivot, Jean-Marc, Bonneville, Fabrice, Raposo, Nicolas

“…BACKGROUND AND PURPOSE—Convexity subarachnoid hemorrhage (cSAH) is an increasingly recognized presentation of cerebral amyloid angiopathy (CAA), usually…”
Get full text

Efficacy of Stent-Retriever Thrombectomy in Magnetic Resonance Imaging Versus Computed Tomographic Perfusion–Selected Patients in SWIFT PRIME Trial (Solitaire FR With the Intention for Thrombectomy as Primary Endovascular Treatment for Acute Ischemic Stroke) by Menjot de Champfleur, Nicolas, Saver, Jeffrey L, Goyal, Mayank, Jahan, Reza, Diener, Hans-Christoph, Bonafe, Alain, Levy, Elad I, Pereira, Vitor M, Cognard, Christophe, Yavagal, Dileep R, Albers, Gregory W

“…BACKGROUND AND PURPOSE—The majority of patients enrolled in SWIFT PRIME trial (Solitaire FR With the Intention for Thrombectomy as Primary Endovascular…”
Get full text

Leptomeningeal enhancement on post-contrast FLAIR images for early diagnosis of Susac syndrome by Bellanger, Guillaume, Biotti, Damien, Adam, Gilles, Darcourt, Jean, Roques, Margaux, Patsoura, Sofia, Savatovsky, Julien, Obadia, Michael, Menjot de Champfleur, Nicolas, Charif, Mahmoud, Labauge, Pierre, Cotton, Francois, Durand Dubief, Françoise, Tourdias, Thomas, Dulau, Cecile, Kremer, Stéphane, De Sèze, Jérôme, Ciron, Jonathan, Varenne, Fanny, Viguier, Alain, Lerebours, Fleur, Larrue, Vincent, Cognard, Christophe, Bonneville, Fabrice

“…Background: Leptomeningeal enhancement (LME) is a key feature of Susac syndrome (SuS) but is only occasionally depicted on post-contrast T1-weighted images…”
Get full text

Flow Diversion for the Treatment of Basilar Apex Aneurysms by Dmytriw, Adam A, Adeeb, Nimer, Kumar, Ashish, Griessenauer, Christoph J, Phan, Kevin, Ogilvy, Christopher S, Foreman, Paul M, Shallwani, Hussain, Limbucci, Nicola, Mangiafico, Salvatore, Michelozzi, Caterina, Krings, Timo, Pereira, Vitor Mendes, Matouk, Charles C, Zhang, Yuchen, Harrigan, Mark R, Shakir, Hakeem J, Siddiqui, Adnan H, Levy, Elad I, Renieri, Leonardo, Cognard, Christophe, Thomas, Ajith J, Marotta, Thomas R

“…Abstract BACKGROUND Flow diversion for basilar apex aneurysms has rarely been reported. OBJECTIVE To assess flow diversion for basilar apex aneurysms in a…”
Get full text

The Woven Endobridge as a treatment for acutely ruptured aneurysms: A review of the literature by Crinnion, William, Bhogal, Pervinder, Makalanda, Hegoda Levansri Dilrukshan, Wong, Ken, Arthur, Adam, Cognard, Christophe, Henkes, Hans, Fiorella, Dave, Pierot, Laurent

“…The Woven Endobridge (WEB; Microvention, Aliso Viejo, California, USA) is a relatively new device which has been shown to be safe and effective for the…”
Get full text