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1. Electrical impedance measurements can identify red blood cell–rich content in acute ischemic stroke clots ex vivo associated with first-pass successful recanalization

Author: Sahin, Cansu, Giraud, Alice, Jabrah, Duaa, Patil, Smita, Messina, Pierluca, Bozsak, Franz, Darcourt, Jean, Sacchetti, Federico, Januel, Anne-Christine, Bellanger, Guillaume, Pagola, Jorge, Juega, Jesus, Imamura, Hirotoshi, Ohta, Tsuyoshi, Spelle, Laurent, Chalumeau, Vanessa, Mircic, Uros, Stanarčević, Predrag, Vukašinović, Ivan, Ribo, Marc, Sakai, Nobuyuki, Cognard, Christophe, and Doyle, Karen
Published: 2024
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2. Successful Thrombectomy Improves Functional Outcome in Tandem Occlusions with a Large Ischemic Core

Author: Lapergue, Bertrand, Wang, Adrien, Consoli, Arturo, Coskun, Oguzhan, Maria, Federico Di, Pizzuto, Silvia, Sgreccia, Alessandro, Benoit, Charline, Gorza, Lucas, Weisenburger-Lile, David, Jabeur, Waliyde, Maia, Tchikviladze, Evrard, Serge, Rodesch, Georges, Blanc, Raphaël, Obadia, Michael, Desilles, Jean-Philippe, Piotin, Michel, Seners, Pierre, Smajda, Stanislas, Escalard, Simon, Maier, Benjamin, Sabben, Candice, Redjem, Hocine, Mikaelmazhigi, Adwan, Grace, Delvoye, François, Raaisi, Amira Al, Boisseau, William, Eker, Omer, Cho, Tae-Hee, Derex, Laurent, Fontaine, Julia, Mechtouff, Laura, Nighoghossian, Norbert, Ong, Elodie, Rascle, Lucie, Riva, Roberto, Turjman, Françis, Laubacher, Morgane, Beyragued, Mehdi, Berthezene, Yves, Hermier, Marc, Roxanna, Ameli, Bani-Sadr, Alexandre, Filip, Andrea, Cappucci, Matteo, Bourcier, Romain, Duport, Benjamin Daumas, Alexandre, Pierre Louis, Lenoble, Cédric, Hubertdesal, Gaalon, Solène De, Guillon, Benoît, Preterre, Cécile, Tessier, Guillaume, Lionnet, Arthur, Gory, Benjamin, Humbertjean-Selton, Lisa, Anxionnat, René, Derelle, Anne-Laure, Liao, Liang, Schmitt, Emmanuelle, Planel, Sophie, Richard, Sébastien, Mione, Gioia, Lacour, Jean-Christophe, Douarinou, Marian, Micard, Emilien, Chen, Bailiang, Audibert, Gérard, Masson, Agnès, Alb, Lionel, Beaumont, Marine, Tabarna, Adriana, Voicu, Marcela, Barthel, Grégoire, Podar, Iona, Brezeanu, Madalina, Reitter, Marie, Zhu, François, Marnat, Gaultier, Liegey, Jean-Sébastien, Briau, Pierre, Papillon, Lisa, Sibon, Igor, Barreau, Xavier, Papaxanthos, Jean, Berge, Jérome, Debruxelles, Sabrina, Olindo, Stephane, Poli, Mathilde, Renou, Pauline, Sagnier, Sharmila, Tourdias, Thomas, Courret, Thomas, Lucas, Ludovic, Milnerowicz, Malgorzata, Dargazanli, Cyril, Costalat, Vincent, Mourand, Isabelle, Arquizan, Caroline, Corti, Lucas, Adrien, Schiphorst, Ter, Federico, Cagnazzo, Derraz, Imad, Mahmoudi, Mehdi, Lefevre, Pierre-Henri, Gascou, Grégory, Spelle, Laurent, Caroff, Jildaz, Denier, Christian, Chalumeau, Vanessa, Mihalea, Cristian, Nicolaslegris, Ozanne, Augustin, Ikka, Leon, Chassin, Olivier, Gallas, Sophie, Venditti, Laura, Marianasarov, Cortese, Jonathan, Ferre, Jean-Christophe, Vannier, Stephane, Ronziere, Thomas, Veronica Lassalle, Maria, Gauvrit, Jean-Yves, Tracol, Clément, Boustia, Abdelghani Fakhreddine, Malrain, Cécile, Beaufreton, Edouard, Lapotre, Thibault, Alias, Quentin, Hissier, Julien, Guillen, Maud, Eugene, François, Chivot, Cyril, Courselle, Audrey, Ouin, Elisa, Lamy, Chantal, Delaforge, Kevin, Fernandez, Manuel, Vial, Jérémie, Laferte, Quentin, Desdoit, Xavier, Timsit, Serge, Jourdain, Aurore, Gentric, Jean-Christophe, Ognard, Julien, Viakhireva, Irina, Coris, Jordan, Prud'hon, Sabine, Merrien, François-Mathias, Marechal, Denis, Bruguet, Marie, Rousseau, Pierre Yves, Goas, Philippe, Boulanger, Marion, Touze, Emmanuel, Vivien, Denis, Barbier, Charlotte, Schneckenburger, Romain, Salaris, Fabrizio, Cogez, Julien, Guettier, Sophie, Porte, Estelle La, Bouchart, Jean, Mounayer, Charbel, Rouchaud, Aymeric, Saleme, Suzana, Forestier, Géraud, Clarencon, Frédéric, Rosso, Charlotte, Leder, Sara, Baronnet, Flore, Crozier, Sophie, Leger, Anne, Premat, Kevin, Eimad, Shotar, Lenck, Stéphanie, Sourour, Nader, Bottin, Laure, Ghazanfari, Sam, Yger, Marion, Alamowitch, Sonia, Delorme, Stephen, Wittwer, Aymeric, Vassilev, Christine, Naggara, Olivier, Turc, Guillaume, Hassen, Wagih Ben, Kerleroux, Basile, Trystram, Denis, Rodriguez-Regent, Christine, Ozkul-Wermester, Ozlem, Papagiannaki, Chrysanthi, Massardier, Evelyne, Triquenot, Aude, Lefebvre, Margaux, Burel, Julien, Viguier, Alain, Cognard, Christophe, Januel, Anne Christine, Albucher, Jean-François, Calviere, Lionel, Olivot, Jean-Marc, Darcourt, Jean, Raposo, Nicolas, Bonneville, Fabrice, Bellanger, Guillaume, Fontaine, Louis, Tall, Philippe, Thalamas, Claire, Geerearts, Thomas, Grepon, Antoine Faurie, Bourdain, Frédéric, Bernady, Patricia, Ballan, Guillaume, Bannier, Stéphanie, Ellie, Emmanuel, Flabeau, Olivier, Potenza, Julia, Soulages, Antoine, Lagoarde-Segot, Laurent, Cailliez, Hélène, Veunac, Louis, Higue, David, Lebras, Anthony, Adam, Sarah, Pegat, Benoit, Guen, Arnaud Le, Chedeville, François, Jouan, Jérémy, Demasles, Stéphanie, Richter, Johann Sebastian, Thierry Barroso, Bruno, Dahan, Camille, Gonnet, Alexis, Hubrecht, Régis, Lepine, Zoé, Castagnet, Hélène, Marasescu, Raluca, Heck, Olivier, Cuisenier, Pauline, Detante, Olivier, Wiki, Isabelle Favre, Bonaz, Clémentine, Garambois, Katia, Legris, Loic, Kastler, Adrian, Boubagra, Kamel, Berthet, Corentin, Charara, Stéphane, Wolff, Valérie, Pop, Raoul, Quenardelle, Véronique, Lauer, Valérie, Pierre-Paul, Irène, Roxanagheoca, Trzeciak, Malwina, Moulin, Solène, Tuan, Hua Vi, Pagano, Paolo, Doucet, Alexandre, Gelmini, Christophe, Manceau, Pierrefrançois, Paiusan, Laurentiu, Serre, Isabelle, Soize, Sébastien, Phuong Nguyen, Thi Ngoc, Sahnoun, Maher, Caucheteux, Nathalie, Ferrier, Anna, Zerroug, Abderrahim, Moreno, Ricardo, Chabert, Emmanuel, Lteif, Elie, Paulineparis, Bourgois, Nathalie, Raquin, Marie, Pasco-Papon, Anne, Girot, Jean Baptiste, Lecluse, Alderic, Godard, Sophie, L'allinec, Vincent, Janot, Kevin, Bibi, Richard, Gaudron, Marie, Bretonniere, Arnaud, Annan, Mariam, Ifergan, Héloïse, Boulouis, Grégoire, Pasi, Marco, Debiais, Séverine, Molinier, Elisabeth, Wietrich, Anthony, Ruche, Valérie, Lavandier, Karine, Bejot, Yannick, Lemogne, Brivale, Ricolfi, Fédéric, Baptiste, Laura, Thouant, Pierre, Duloquin, Gaulthier, Olivier Comby, Pierre, Charbonnier, Guillaume, Bonnet, Louise, Raybaud, Nicolas, Bouamra, Benjamin, Moulin, Thierry, Biondi, Alessandra, Finitsis, Stephanos, and Mazighi, Mikael
Published: 2023
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3. Successful thrombectomy is beneficial in patients with pre-stroke disability: Results from an international multicenter cohort study

Author: Piotin, Michel, Blanc, Raphael, Escalard, Hocine Redjem Simon, Desilles, Jean-Philippe, Delvoye, François, Smajda, Stanislas, Maier, Benjamin, Hebert, Solène, Mazighi, Mikael, Obadia, Mikael, Sabben, Candice, Seners, Pierre, Raynouard, Igor, Corabianu, Ovide, de Broucker, Thomas, Manchon, Eric, Taylor, Guillaume, Ben Maacha, Malek, Thion, Laurie-Anne, Lecler, Augustin, Savatovsky, Julien, Wang, Adrien, Evrard, Serge, Tchikviladze, Maya, Ajili, Nadia, Lapergue, Bertrand, Weisenburger-Lile, David, Gorza, Lucas, Buard, Géraldine, Coskun, Oguzhan, Consoli, Arturo, Di Maria, Federico, Rodesh, Georges, Zimatore, Sergio, Leguen, Morgan, Gratieux, Julie, Pico, Fernando, Rakotoharinandrasana, Haja, Tassan, Philippe, Poll, Roxanna, Marinier, Sylvie, Nighoghossian, Norbert, Riva, Roberto, Eker, Omer, Turjman, Francis, Derex, Laurent, Cho, Tae-Hee, Mechtouff, Laura, Lukaszewicz, Anne Claire, Philippeau, Frédéric, Cakmak, Serkan, Blanc-Lasserre, Karine, Vallet, Anne-Evelyne, Marnat, Gaultier, Gariel, Florent, Barreau, Xavier, Berge, Jérôme, Menegon, Patrice, Sibon, Igor, Lucas, Ludovic, Olindo, Stéphane, Renou, Pauline, Sagnier, Sharmila, Poli, Mathilde, Debruxelles, Sabrina, Rouanet, François, Tourdias, Thomas, Liegey, Jean-Sebastien, Briau, Pierre, Pangon, Nicolas, Bourcier, Romain, Detraz, Lili, Daumas-Duport, Benjamin, Alexandre, Pierre-Louis, Roy, Monica, Lenoble, Cédric, Desal, Hubert, Guillon, Benoît, de Gaalon, Solène, Preterre, Cécile, Gory, Benjamin, Bracard, Serge, Anxionnat, René, Braun, Marc, Derelle, Anne-Laure, Tonnelet, Romain, Liao, Liang, Zhu, François, Schmitt, Emmanuelle, Planel, Sophie, Richard, Sébastien, Humbertjean, Lisa, Mione, Gioia, Lacour, Jean-Christophe, Riou-Comte, Nolwenn, Audibert, Gérard, Voicu, Marcela, Alb, Ionel, Reitter, Marie, Brezeanu, Madalina, Masson, Agnès, Tabarna, Adriana, Podar, Iona, Macian-montoro, Francisco, Saleme, Suzanna, Mounayer, Charbel, Rouchaud, Aymeric, Costalat, Vincent, Arquizan, Caroline, Dargazanli, Cyril, Gascou, Grégory, Lefèvre, Pierre-Henri, Derraz, Imad, Riquelme, Carlos, Gaillard, Nicolas, Mourand, Isabelle, Corti, Lucas, Cagnazzo, Federico, ter Schiphorst, Adrien, Francois, Eugene, Vannier, Stéphane, Ferre, Jean-christophe, Raoult, Helene, Ronziere, Thomas, Lassale, Maria, Paya, Christophe, Gauvrit, Jean-Yves, Tracol, Clément, Langnier-Lemercier, Sophie, Samson, Yves, Rosso, Charlotte, Leger, Anne, Deltour, Sandrine, Clarencon, Frederic, Shotar, Eimad, Spelle, Laurent, Denier, Christian, Chassin, Olivier, Chalumeau, Vanessa, Caroff, Jildaz, Venditti, Laura, Naggara, Olivier, Hassen, Wagih Ben, Boulouis, Grégoire, Rodriguez-Régent, Christine, Trystram, Denis, Kerleroux, Basile, Turc, Guillaume, Domigo, Valérie, Lamy, Catherine, Birchenall, Julia, Isabel, Clothilde, Lun, François, Viguier, Alain, Cognard, Christophe, Januel, Anne Christine, Olivot, Jean-Marc, Raposo, Nicolas, Bonneville, Fabrice, Albucher, Jean François, Calviere, Lionel, Darcourt, Jean, Tall, Philippe, Bellanger, Guillaume, Fontaine, Louis, Touze, Emmanuel, Barbier, Charlotte, Schneckenburger, Romain, Boulanger, Marion, Cogez, Julien, Guettier, Sophie, Timsit, Serge, Gentric, Jean-christophe, Ognard, Julien, Merrien, Francois Mathias, Wermester, Ozlem Ozkul, Massardier, Evelyne, Papagiannaki, Chrysanthi, Bourdain, Frédéric, Bernady, Patricia, Lagoarde-Segot, Laurent, Cailliez, Hélène, Veunac, Louis, Higue, David, Wolff, Valérie, Pop, Raoul, Beaujeux, Rémi, Dan-Sorin, Mihoc, Manisor, Monica, Le Bras, Anthony, Evain, Sarah, Le Guen, Arnaud, Richter, Sebastian, Hubrecht, Regis, Demasles, Stéphanie, Barroso, Bruno, Sablot, Denis, Farouil, Geoffroy, Tardieu, Maxime, Smadja, Philippe, Aptel, Sabine, Seiler, Ian, Ducroux, Célina, Nourredine, Mikaïl, Haesebaert, Julie, Buisson, Marielle, Alesefir, Walid, Boisseau, William, Daneault, Nicole, Deschaintre, Yan, Diestro, Jose Danilo B., Eneling, Johanna, Gioia, Laura C., Iancu, Daniella, Jacquin, Grégory, Odier, Céline, Stapf, Christian, Raymond, Jean, Roy, Daniel, Weill, Alain, and Poppe, Alexandre Y.
Published: 2023
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4. Iatrogenic arterial vasospasm during mechanical thrombectomy requiring treatment with intra‐arterial nimodipine might be associated with worse outcomes.

Author: Ferhat, Serine, Bellanger, Guillaume, Milnerowicz, Malgorzata, Kyheng, Maeva, Labreuche, Julien, Sibon, Igor, Khobzi, Mehdi, Abousleiman, Joe‐Marie, Popica, Dan‐Adrian, Moulin, Solene, Dargazanli, Cyril, Consoli, Arturo, Eker, Omer, Veunac, Louis, Premat, Kevin, Gory, Benjamin, Gentric, Jean‐Christophe, Moreno, Ricardo, Hassen, Wagih Ben, and Gauberti, Maxime
Subjects: *CEREBRAL infarction, *INTRACRANIAL hemorrhage, *TREATMENT effectiveness, *ISCHEMIC stroke, *ENDOVASCULAR surgery, *CEREBRAL vasospasm
Abstract: Background and Purpose: Vasospasm is a common iatrogenic event during mechanical thrombectomy (MT). In such circumstances, intra‐arterial nimodipine administration is occasionally considered. However, its use in the treatment of iatrogenic vasospasm during MT has been poorly studied. We investigated the impact of iatrogenic vasospasm treated with intra‐arterial nimodipine on outcomes after MT for large vessel occlusion stroke. Methods: We conducted a retrospective analysis of the multicenter observational registry Endovascular Treatment in Ischemic Stroke (ETIS). Consecutive patients treated with MT between January 2015 and December 2022 were included. Patients treated with medical treatment alone, without MT, were excluded. We also excluded patients who received another in situ vasodilator molecule during the procedure. Outcomes were compared according to the occurrence of cervical and/or intracranial arterial vasospasm requiring intraoperative use of in situ nimodipine based on operator's decision, using a propensity score approach. The primary outcome was a modified Rankin Scale (mRS) score of 0–2 at 90 days. Secondary outcomes included excellent outcome (mRS score 0–1), final recanalization, mortality, intracranial hemorrhage and procedural complications. Secondary analyses were performed according to the vasospasm location (intracranial or cervical). Results: Among 13,678 patients in the registry during the study period, 434 received intra‐arterial nimodipine for the treatment of MT‐related vasospasm. In the main analysis, comparable odds of favorable outcome were observed, whereas excellent outcome was significantly less frequent in the group with vasospasm requiring nimodipine (adjusted odds ratio [aOR] 0.78, 95% confidence interval [CI] 0.63–0.97). Perfect recanalization, defined as a final modified Thrombolysis In Cerebral Infarction score of 3 (aOR 0.63, 95% CI 0.42–0.93), was also rarer in the vasospasm group. Intracranial vasospasm treated with nimodipine was significantly associated with worse clinical outcome (aOR 0.64, 95% CI 0.45–0.92), in contrast to the cervical location (aOR 1.37, 95% CI 0.54–3.08). Conclusion: Arterial vasospasm occurring during the MT procedure and requiring intra‐arterial nimodipine administration was associated with worse outcomes, especially in case of intracranial vasospasm. Although this study cannot formally differentiate whether the negative consequences were due to the vasospasm itself, or nimodipine administration or both, there might be an important signal toward a substantial clinical impact of iatrogenic vasospasm during MT. [ABSTRACT FROM AUTHOR]
Published: 2024
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5. What is the Relevance of the Systematic Use of Gadolinium During the MRI Follow-Up of Multiple Sclerosis Patients Under Natalizumab?

Author: Bellanger, Guillaume, Biotti, Damien, Patsoura, Sofia, Ciron, Jonathan, Ferrier, Marine, Gramada, Raluca, Meluchova, Zuzana, Lerebours, Fleur, Catalaa, Isabelle, Dumas, Hervé, Cognard, Christophe, Brassat, David, and Bonneville, Fabrice
Published: 2020
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6. Remote Rupture of Intradural Carotid Artery During Mechanical Thrombectomy in a Carotid Tandem Occlusion

Author: Lteif, Elie, Darcourt, Jean, Vukanisnovic, Ivan, Bellanger, Guillaume, Januel, Anne-Christine, Bonneville, Fabrice, and Cognard, Christophe
Published: 2020
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7. Rescue intracranial permanent stenting for refractory occlusion following thrombectomy: a propensity matched analysis.

Author: Ifergan, Heloise, Dargazanli, Cyril, Hassen, Wagih Ben, Hak, Jean-Francois, Gory, Benjamin, Ognard, Julien, Premat, Kevin, Marnat, Gaultier, Kerleroux, Basile, Zhu, François, Bellanger, Guillaume, Sporns, Peter B., Charbonnier, Guillaume, Forestier, Géraud, Caroff, Jildaz, Fauché, Cédric, Clarençon, Frédéric, Janot, Kevin, Lapergue, Bertrand, and Boulouis, Gregoire
Subjects: ARTERIAL occlusions, RESEARCH, CEREBRAL hemorrhage, COMBINATION drug therapy, CONFIDENCE intervals, CEREBRAL infarction, INTRACRANIAL arterial diseases, SURGICAL stents, RETROSPECTIVE studies, ACQUISITION of data, TREATMENT effectiveness, HOSPITAL mortality, THROMBECTOMY, STROKE patients, MEDICAL records, DESCRIPTIVE statistics, PLATELET aggregation inhibitors, ODDS ratio, PATIENT safety, LONGITUDINAL method, EVALUATION
Abstract: Background Rescue intracranial stenting (RIS) can be used in refractory large vessel occlusion (LVO) after mechanical thrombectomy (MT). We aimed to assess the safety and efficacy of RIS versus a propensity matched sample of patients with persistent LVO. Methods We retrospectively analysed a multicenter retrospective pooled cohort of patients with anterior LVO (2015-2021) treated with MT, and identified patients with at least three passes and a modified Thrombolysis In Cerebral Infarction (mTICI) score of 0 to 2a. Propensity score matching was used to account for determinants of outcome in patients with or without RIS. The study outcomes included 3 months modified Rankin Scale (mRS) and symptomatic hemorrhagic transformation (HT). Results 420 patients with a refractory anterior occlusion were included, of which 101 were treated with RIS (mean age 69 years). Favorable outcome (mRS 0-2) was more frequent in patients with a patent stent at day 1 (53% vs 6%, P<0.001), which was independently associated with an early dual antiplatelet regimen (P<0.05). In the propensity matched sample, patients treated with RIS versus without RIS had similar rates of favorable outcomes (36.8% vs 30.3%, P=0.606). Patients with RIS showed a favorable shift in the overall mRS distributions (common adjusted OR 0.74, 95% CI 0.60 to 0.91, P=0.006). Symptomatic HT was marginally more frequent in the RIS group (9% vs 3%, P=0.07), and there was no difference in 3-month mortality. Conclusion In selected patients with a refractory intracranial occlusion despite at least three thrombectomy passes, RIS may be associated with an overall shift towards more favorable clinical outcome, and no significant increase in the odds of symptomatic HT or death. [ABSTRACT FROM AUTHOR]
Published: 2024
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8. Rescue intracranial permanent stenting for refractory occlusion following thrombectomy: a propensity matched analysis

Author: Ifergan, Heloise, primary, Dargazanli, Cyril, additional, Ben Hassen, Wagih, additional, Hak, Jean-Francois, additional, Gory, Benjamin, additional, Ognard, Julien, additional, Premat, Kevin, additional, Marnat, Gaultier, additional, Kerleroux, Basile, additional, Zhu, François, additional, Bellanger, Guillaume, additional, Sporns, Peter B, additional, Charbonnier, Guillaume, additional, Forestier, Géraud, additional, Caroff, Jildaz, additional, Fauché, Cédric, additional, Clarençon, Frédéric, additional, Janot, Kevin, additional, Lapergue, Bertrand, additional, and Boulouis, Gregoire, additional
Published: 2023
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9. The reversed umbrella: displacement of a Contour device into an MCA aneurysm 18 months after treatment

Author: Bellanger, Guillaume, primary, Darcourt, Jean, additional, Januel, Anne-Christine, additional, and Cognard, Christophe, additional
Published: 2023
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10. Successful thrombectomy is beneficial in patients with pre-stroke disability: Results from an international multicenter cohort study

Author: Ducroux, Célina, primary, Derex, Laurent, additional, Nourredine, Mikaïl, additional, Haesebaert, Julie, additional, Buisson, Marielle, additional, Alesefir, Walid, additional, Boisseau, William, additional, Daneault, Nicole, additional, Deschaintre, Yan, additional, Diestro, Jose Danilo B., additional, Eker, Omer, additional, Eneling, Johanna, additional, Gioia, Laura C., additional, Iancu, Daniella, additional, Jacquin, Grégory, additional, Odier, Céline, additional, Stapf, Christian, additional, Raymond, Jean, additional, Roy, Daniel, additional, Weill, Alain, additional, Lapergue, Bertrand, additional, Poppe, Alexandre Y., additional, Piotin, Michel, additional, Blanc, Raphael, additional, Escalard, Hocine Redjem Simon, additional, Desilles, Jean-Philippe, additional, Delvoye, François, additional, Smajda, Stanislas, additional, Maier, Benjamin, additional, Hebert, Solène, additional, Mazighi, Mikael, additional, Obadia, Mikael, additional, Sabben, Candice, additional, Seners, Pierre, additional, Raynouard, Igor, additional, Corabianu, Ovide, additional, de Broucker, Thomas, additional, Manchon, Eric, additional, Taylor, Guillaume, additional, Ben Maacha, Malek, additional, Thion, Laurie-Anne, additional, Lecler, Augustin, additional, Savatovsky, Julien, additional, Wang, Adrien, additional, Evrard, Serge, additional, Tchikviladze, Maya, additional, Ajili, Nadia, additional, Weisenburger-Lile, David, additional, Gorza, Lucas, additional, Buard, Géraldine, additional, Coskun, Oguzhan, additional, Consoli, Arturo, additional, Di Maria, Federico, additional, Rodesh, Georges, additional, Zimatore, Sergio, additional, Leguen, Morgan, additional, Gratieux, Julie, additional, Pico, Fernando, additional, Rakotoharinandrasana, Haja, additional, Tassan, Philippe, additional, Poll, Roxanna, additional, Marinier, Sylvie, additional, Nighoghossian, Norbert, additional, Riva, Roberto, additional, Turjman, Francis, additional, Cho, Tae-Hee, additional, Mechtouff, Laura, additional, Lukaszewicz, Anne Claire, additional, Philippeau, Frédéric, additional, Cakmak, Serkan, additional, Blanc-Lasserre, Karine, additional, Vallet, Anne-Evelyne, additional, Marnat, Gaultier, additional, Gariel, Florent, additional, Barreau, Xavier, additional, Berge, Jérôme, additional, Menegon, Patrice, additional, Sibon, Igor, additional, Lucas, Ludovic, additional, Olindo, Stéphane, additional, Renou, Pauline, additional, Sagnier, Sharmila, additional, Poli, Mathilde, additional, Debruxelles, Sabrina, additional, Rouanet, François, additional, Tourdias, Thomas, additional, Liegey, Jean-Sebastien, additional, Briau, Pierre, additional, Pangon, Nicolas, additional, Bourcier, Romain, additional, Detraz, Lili, additional, Daumas-Duport, Benjamin, additional, Alexandre, Pierre-Louis, additional, Roy, Monica, additional, Lenoble, Cédric, additional, Desal, Hubert, additional, Guillon, Benoît, additional, de Gaalon, Solène, additional, Preterre, Cécile, additional, Gory, Benjamin, additional, Bracard, Serge, additional, Anxionnat, René, additional, Braun, Marc, additional, Derelle, Anne-Laure, additional, Tonnelet, Romain, additional, Liao, Liang, additional, Zhu, François, additional, Schmitt, Emmanuelle, additional, Planel, Sophie, additional, Richard, Sébastien, additional, Humbertjean, Lisa, additional, Mione, Gioia, additional, Lacour, Jean-Christophe, additional, Riou-Comte, Nolwenn, additional, Audibert, Gérard, additional, Voicu, Marcela, additional, Alb, Ionel, additional, Reitter, Marie, additional, Brezeanu, Madalina, additional, Masson, Agnès, additional, Tabarna, Adriana, additional, Podar, Iona, additional, Macian-montoro, Francisco, additional, Saleme, Suzanna, additional, Mounayer, Charbel, additional, Rouchaud, Aymeric, additional, Costalat, Vincent, additional, Arquizan, Caroline, additional, Dargazanli, Cyril, additional, Gascou, Grégory, additional, Lefèvre, Pierre-Henri, additional, Derraz, Imad, additional, Riquelme, Carlos, additional, Gaillard, Nicolas, additional, Mourand, Isabelle, additional, Corti, Lucas, additional, Cagnazzo, Federico, additional, ter Schiphorst, Adrien, additional, Francois, Eugene, additional, Vannier, Stéphane, additional, Ferre, Jean-christophe, additional, Raoult, Helene, additional, Ronziere, Thomas, additional, Lassale, Maria, additional, Paya, Christophe, additional, Gauvrit, Jean-Yves, additional, Tracol, Clément, additional, Langnier-Lemercier, Sophie, additional, Samson, Yves, additional, Rosso, Charlotte, additional, Leger, Anne, additional, Deltour, Sandrine, additional, Clarencon, Frederic, additional, Shotar, Eimad, additional, Spelle, Laurent, additional, Denier, Christian, additional, Chassin, Olivier, additional, Chalumeau, Vanessa, additional, Caroff, Jildaz, additional, Venditti, Laura, additional, Naggara, Olivier, additional, Hassen, Wagih Ben, additional, Boulouis, Grégoire, additional, Rodriguez-Régent, Christine, additional, Trystram, Denis, additional, Kerleroux, Basile, additional, Turc, Guillaume, additional, Domigo, Valérie, additional, Lamy, Catherine, additional, Birchenall, Julia, additional, Isabel, Clothilde, additional, Lun, François, additional, Viguier, Alain, additional, Cognard, Christophe, additional, Januel, Anne Christine, additional, Olivot, Jean-Marc, additional, Raposo, Nicolas, additional, Bonneville, Fabrice, additional, Albucher, Jean François, additional, Calviere, Lionel, additional, Darcourt, Jean, additional, Tall, Philippe, additional, Bellanger, Guillaume, additional, Fontaine, Louis, additional, Touze, Emmanuel, additional, Barbier, Charlotte, additional, Schneckenburger, Romain, additional, Boulanger, Marion, additional, Cogez, Julien, additional, Guettier, Sophie, additional, Timsit, Serge, additional, Gentric, Jean-christophe, additional, Ognard, Julien, additional, Merrien, Francois Mathias, additional, Wermester, Ozlem Ozkul, additional, Massardier, Evelyne, additional, Papagiannaki, Chrysanthi, additional, Bourdain, Frédéric, additional, Bernady, Patricia, additional, Lagoarde-Segot, Laurent, additional, Cailliez, Hélène, additional, Veunac, Louis, additional, Higue, David, additional, Wolff, Valérie, additional, Pop, Raoul, additional, Beaujeux, Rémi, additional, Dan-Sorin, Mihoc, additional, Manisor, Monica, additional, Le Bras, Anthony, additional, Evain, Sarah, additional, Le Guen, Arnaud, additional, Richter, Sebastian, additional, Hubrecht, Regis, additional, Demasles, Stéphanie, additional, Barroso, Bruno, additional, Sablot, Denis, additional, Farouil, Geoffroy, additional, Tardieu, Maxime, additional, Smadja, Philippe, additional, Aptel, Sabine, additional, and Seiler, Ian, additional
Published: 2023
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11. Predictive Value of Susceptibility Vessel Sign for Arterial Recanalization and Clinical Improvement in Ischemic Stroke

Author: 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, and Cognard, Christophe
Published: 2019
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12. The reversed umbrella: displacement of a Contour device into an MCA aneurysm 18 months after treatment.

Author: Bellanger, Guillaume, Darcourt, Jean, Januel, Anne-Christine, and Cognard, Christophe
Subjects: INTRACRANIAL aneurysm diagnosis, INTRACRANIAL aneurysm surgery, SURGICAL instruments, MEDICAL equipment reliability, PATIENT aftercare, EVALUATION of medical care, ENDOVASCULAR aneurysm repair, FOREIGN body migration, CEREBRAL arteries, HEALTH care teams, PLATELET aggregation inhibitors, ANGIOGRAPHY
Abstract: The Contour is a promising new device designed to treat large-neck intra-cranial aneurysms. We describe a first case of Contour device displacement 18 months after initial treatment. A patient with a 10 mm unruptured right middle cerebral artery bifurcation aneurysm was treated with a 9 mm Contour. The device was correctly positioned at the neck during treatment and at the 6 month angiography follow-up. At 18 months follow- up we noticed a full displacement of the device into the aneurysm dome. The Contour had a reversed shape and the aneurysm was still fully opacified. No neurological event occurred during the whole follow-up. Contour may be a promising tool but needs to be assessed over a long-term period. [ABSTRACT FROM AUTHOR]
Published: 2024
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13. Antithrombotic therapies for neurointerventional surgery: a 2021 French comprehensive national survey

Author: Caroff, Jildaz, primary, Aubert, Laurent, additional, Lavenu-Bombled, Cécile, additional, Figueiredo, Samy, additional, Habchi, Kamelia, additional, Cortese, Jonathan, additional, Eugene, Francois, additional, Ognard, Julien, additional, Tahon, Florence, additional, Forestier, Géraud, additional, Ifergan, Heloise, additional, Zhu, François, additional, Hak, Jean-Francois, additional, Reyre, Anthony, additional, Laubacher, Morgane, additional, Traore, Abdoulaye, additional, Desilles, Jean Philippe, additional, Derraz, Imad, additional, Moreno, Ricardo, additional, Bintner, Marc, additional, Charbonnier, Guillaume, additional, Le Bras, Anthony, additional, Veunac, Louis, additional, Gariel, Florent, additional, Redjem, Hocine, additional, Sedat, Jacques, additional, Tessier, Guillaume, additional, Dumas, Victor, additional, Gauberti, Maxime, additional, Chivot, Cyril, additional, Consoli, Arturo, additional, Bricout, Nicolas, additional, Tuilier, Titien, additional, Guedon, Alexis, additional, Pop, Raoul, additional, Thouant, Pierre, additional, Bellanger, Guillaume, additional, Zannoni, Riccardo, additional, Soize, Sebastien, additional, Richter, Johann Sebastian, additional, Heck, Olivier, additional, Mihalea, Cristian, additional, Burel, Julien, additional, Girot, Jean-Baptiste, additional, Shotar, Eimad, additional, Gazzola, Sebastian, additional, Boulouis, Gregoire, additional, and Kerleroux, Basile, additional
Published: 2022
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14. Stenting intra-crânien comme stratégie de sauvetage pour les sténoses intra-crâniennes refractaires chez les patients pris en charge pour une occlusion artérielle proximale. cohorte collaborative du jeni et du registre etis.

Author: Ifergan, Héloïse, primary, Dargazanli, Cyril, additional, Benali, Amel, additional, Ognard, Julien, additional, Premat, Kevin, additional, Bottin, Laure, additional, Marnat, Gaultier, additional, Kerleroux, Basile, additional, Rodriguez, Christine, additional, Zhu, François, additional, Bellanger, Guillaume, additional, Darcourt, Jean, additional, Sporns, Peter, additional, Psychogios, Marios, additional, Charbonnier, Guillaume, additional, Biondi, Alessandra, additional, Forestier, Géraud, additional, Caroff, Jildaz, additional, Fauche, Cédric, additional, Janot, Kevin, additional, Bibi, Richard, additional, Herbreteau, Denis, additional, Lapergue, Bertrand, additional, Hak, Jean-François, additional, and Boulouis, Grégoire, additional
Published: 2022
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15. TRAITEMENT PAR ANGIOPLASTIE SEULE DES DISSECTIONS CAROTIDIENNES AVEC ACCIDENT VASCULAIRE CÉRÉBRAL ISCHÉMIQUE

Author: Abousleiman, Joe-Marie, Bellanger, Guillaume, Cognard, Christophe, Bonneville, Fabrice, Viguier, Alain, and Raveneau, Magali
Published: 2024
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16. Thrombectomy Complications in Large Vessel Occlusions: Incidence, Predictors, and Clinical Impact in the ETIS Registry

Author: Ngankou, Emmanuel Happi, Gory, Benjamin, Marnat, Gaultier, Richard, Sébastien, Bourcier, Romain, Sibon, Igor, Dargazanli, Cyril, Arquizan, Caroline, Maïer, Benjamin, Blanc, Raphaël, Lapergue, Bertrand, Consoli, Arturo, Vannier, Stéphane, Spelle, Laurent, Denier, Christian, Boulanger, Marion, Gauberti, Maxime, Saleme, Suzana, Macian, Francisco, Clarençon, Frédéric, Rosso, Charlotte, Naggara, Olivier, Turc, Guillaume, Ozkul-Wermester, Ozlem, Papagiannaki, Chrysanthi, Viguier, Alain, Cognard, Christophe, Lebras, Anthony, Evain, Sarah, Wolff, Valérie, Pop, Raoul, Timsit, Serge, Gentric, Jean Christophe, Bourdain, Frédéric, Veunac, Louis, Eugène, François, Finitsis, Stephanos Nikolaos, Piotin, Michel, Redjem, Hocine, Escalard, Simon, Dessilles, Jean Philippe, Delvoye, François, Smajda, Stanislas, Solène, Hebert, Mazighi, Mikael, Obadia, Mikael, Sabben, Candice, Seners, Pierre, Raynouard, Igor, Corabianu, Ovide, de Broucker, Thomas, Manchon, Eric, Taylor, Guillaume, Maacha, Malek Ben, Thion, Laurie Anne, Lecler, Augustin, Savatovsjy, Julien, Hospital, Foch, Wang, Adrien, Evrard, Serge, Tchikviladze, Maya, Ajili, Nadia, Weisenburgerlile, David, Gorza, Lucas, Buard, Géraldine, Coskun, Oguzhan, Di Maria, Federico, Rodesh, Georges, Zimatore, Sergio, Leguen, Morgan, Gratieux, Julie, Pico, Fernando, Rakotoharinandrasana, Haja, Tassan, Philippe, Poll, Roxanna, Marinier, Sylvie, Gariel, Florent, Barreau, Xavier, Berge, Jerome, Menegon, Patrice, Lucas, Ludovic, Olindo, Stéphane, Renou, Pauline, Sagnier, Sharmila, Poli, Mathilde, Debruxelles, Sabrina, Rouanet, François, Tourdias, Thomas, Liegey, Jean Sebastien, Briau, Pierre, Pangon, Nicolas, Detraz, Lili, Daumas-Duport, Benjamin, Alexandre, Pierre Louis, Roy, Monica, Lenoble, Cédric, Desal, Hubert Armand, Guillon, Benoît, de Gaalon, Solène, Preterre, Cécile, Bracard, Serge, Anxionnat, René, Braun, Marc, Derelle, Anne Laure, Romain, Tonnelet, Liao, Liang, Zhu, François, Schmitt, Emmanuelle, Planel, Sophie, Humbertjean, Lisa, Mione, Gioia, Lacour, Jean Christophe, Riou-Comte, Nolwenn, Audibert, Gérard, Voicu, Marcela, Alb, Lionel, Reitter, Marie, Brezeanu, Madalina, Masson, Agnès, Tabarna, Adriana, Podar, Iona, Guy, Sarah, Bechiri, Fatiha, Bourst, Pauline, Macian-Montoro, Francisco, Saleme, Suzanna, Mounayer, Charbel, Rouchaud, Aymeric, Gimenez, Laetitia, Cosnard, Alexandre, Costalat, Vincent, Gascou, Grégory, Lefèvre, Pierre Henri, Derraz, Imad, Riquelme, Carlos, Gaillard, Nicolas, Mourand, Isabelle, Corti, Lucas, Cagnazzo, Federico, ter Schiphorst, Adrien, Ferré, Jean-Christophe, Raoult, Hélène, Ronziere, Thomas, Lassale, Maria, Paya, Christophe, Gauvrit, Jean Yves, Tracol, Clément, Langnier-Lemercier, Sophie, Maurice, Axelle, Cochennec, Sabrina, Pinault, Mélanie, Shotar, Eimad, Sourour, Nader Antoine, Lenck, Stéphanie, Premat, Kévin, Anne Léger, Yves Samson, Crozier, Sophie, Baronnet, Flore, Alamowitch, Sonia, Bottin, Laure, Yger, Marion, Degos, Vincent, Chassin, Olivier, Chalumeau, Vanessa, Caroff, Jildaz, Venditti, Laura, Sarov, Mariana, Legris, Nicolas, Hassen, Wagih Ben, Boulouis, Grégoire, Rodriguez-Régent, Christine, Trystram, Denis, Kerleroux, Basile, Domigo, Valérie, Lamy, Catherine, Birchenall, Julia, Isabel, Clothilde, Lun, François, Januel, Anne Christine, Olivot, Jean Marc, Fontaine, Louis, Raposo, Nicolas, Bonneville, Fabrice, Albucher, Jean François, Calviere, Lionel, Darcourt, Jean, Bellanger, Guillaume, Tall, Philippe, Touzé, Emmanuel, Barbier, Charlotte, Schneckenburger, Romain, Cogez, Julien, Guettier, Sophie, Ognard, Julien, Merrien, François Mathias, Wermester, Ozlem Ozku, Massardier, Evelyne Guégan, Triquenot, Aude Bagan, Lefebvre, Margeaux, Bernady, Patricia, Lagoarde-Segot, Laurent, Cailliez, Hélène, Higue, David, Quenardelle, Véronique, Lauer, Valérie, Gheoca, Roxana, Pierre-Paul, Irène Nora, Beaujeux, Remy, Mihoc, Dan, Manisor, Monica, Pottecher, Julien, Meyer, Alain, Chamaraux-Tran, Thiên Nga, Le Bras, Anthony, Le Guen, Arnaud, Département de neuroradiologie diagnostique et thérapeutique [CHRU Nancy], Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy), Imagerie Adaptative Diagnostique et Interventionnelle (IADI), Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lorraine (UL), CHU Bordeaux [Bordeaux], Service de neurologie [CHRU Nancy], Centre d'investigation clinique plurithématique Pierre Drouin [Nancy] (CIC-P), Centre d'investigation clinique [Nancy] (CIC), Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lorraine (UL)-Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lorraine (UL), Défaillance Cardiovasculaire Aiguë et Chronique (DCAC), Centre Hospitalier Régional Universitaire de Nancy (CHRU Nancy)-Institut National de la Santé et de la Recherche Médicale (INSERM)-Université de Lorraine (UL), Centre hospitalier universitaire de Nantes (CHU Nantes), Neuroradiologie [Hôpital Gui de Chauliac], Hôpital Gui de Chauliac [CHU Montpellier], Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier)-Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), Centre Hospitalier Régional Universitaire [Montpellier] (CHRU Montpellier), CHU Rothschild [AP-HP], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Sorbonne Université (SU), Service Neuroradiologie diagnostique et interventionnelle [Hôpital Foch], Hôpital Foch [Suresnes], Université de Versailles Saint-Quentin-en-Yvelines - UFR Sciences de la santé Simone Veil (UVSQ Santé), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ), Service de Neurologie [CHU Rennes], CHU Pontchaillou [Rennes], Service de Neuroradiologie [CHU de Bicêtre], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Service de neurologie [Le Kremlin Bicêtre], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Hôpital Bicêtre, Service de Neurologie [CHU Caen], Université de Caen Normandie (UNICAEN), Normandie Université (NU)-Normandie Université (NU)-CHU Caen, Normandie Université (NU)-Tumorothèque de Caen Basse-Normandie (TCBN)-Tumorothèque de Caen Basse-Normandie (TCBN), Départment de Neuroradiologie [CHU Caen], Service de Neuroradiologie interventionnelle [CHU Limoges], CHU Limoges, Service de Neurologie [CHU Limoges], CHU Pitié-Salpêtrière [AP-HP], Service de Neurologie [CH Saint-Anne], Centre Hospitalier Sainte Anne [Paris], Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP)-Assistance publique - Hôpitaux de Paris (AP-HP) (AP-HP), Service de neurologie [Rouen], CHU Rouen, Normandie Université (NU)-Normandie Université (NU)-Université de Rouen Normandie (UNIROUEN), Normandie Université (NU), Département de Neuroradiologie [CHU Rouen], Normandie Université (NU)-Normandie Université (NU), Neurologie Vasculaire [Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Service Neuroradiologie Diagnostique et Thérapeutique [CHU Toulouse], Pôle imagerie médicale [CHU Toulouse], Centre Hospitalier Universitaire de Toulouse (CHU Toulouse)-Centre Hospitalier Universitaire de Toulouse (CHU Toulouse), Service de radiologie [Vannes], Centre hospitalier Bretagne Atlantique (Morbihan) (CHBA), Service de Neurologie [Strasbourg], CHU Strasbourg-Hopital Civil, Département de Neuroradiologie [Strasbourg], Les Hôpitaux Universitaires de Strasbourg (HUS), Service de Neurologie [Brest], Centre Hospitalier Régional Universitaire de Brest (CHRU Brest), Service de Neuroradiologie [Brest], Neurologie - Côte Basque, Centre Hospitalier de la Côte Basque (CHCB), Aristotle University of Thessaloniki, Neuroimagerie: méthodes et applications (Empenn), Institut National de la Santé et de la Recherche Médicale (INSERM)-Inria Rennes – Bretagne Atlantique, Institut National de Recherche en Informatique et en Automatique (Inria)-Institut National de Recherche en Informatique et en Automatique (Inria)-SIGNAUX ET IMAGES NUMÉRIQUES, ROBOTIQUE (IRISA-D5), Institut de Recherche en Informatique et Systèmes Aléatoires (IRISA), Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université de Bretagne Sud (UBS)-École normale supérieure - Rennes (ENS Rennes)-Institut National de Recherche en Informatique et en Automatique (Inria)-CentraleSupélec-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes), Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)-Institut de Recherche en Informatique et Systèmes Aléatoires (IRISA), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Université de Bretagne Sud (UBS)-École normale supérieure - Rennes (ENS Rennes)-CentraleSupélec-Centre National de la Recherche Scientifique (CNRS)-IMT Atlantique (IMT Atlantique), and Institut Mines-Télécom [Paris] (IMT)-Institut Mines-Télécom [Paris] (IMT)
Subjects: Male, medicine.medical_specialty, 2019-20 coronavirus outbreak, Coronavirus disease 2019 (COVID-19), Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), Embolism, Large vessel, Dissection (medical), Brain ischemia, Postoperative Complications, Risk Factors, Thromboembolism, medicine, Humans, Registries, Aged, Ischemic Stroke, Thrombectomy, Advanced and Specialized Nursing, business.industry, Incidence (epidemiology), Dissection, Incidence, Endovascular Procedures, Middle Aged, medicine.disease, Surgery, Cerebrovascular Disorders, Female, Neurology (clinical), Cardiology and Cardiovascular Medicine, business, [SDV.MHEP]Life Sciences [q-bio]/Human health and pathology
Abstract: Background and Purpose: Procedural complications in thrombectomy for large vessel occlusions of the anterior circulation are not well described. We investigated the incidence, risk factors, and clinical implications of thrombectomy complications in daily clinical practice. Methods: We used data from the ongoing prospective multicenter observational Endovascular Treatment in Ischemic Stroke Registry in France. The present study is a retrospective analysis of 4029 stroke patients with anterior large vessel occlusions treated with thrombectomy between January 2015 and May 2020 in 18 centers. We systematically collected procedural data, incidence of embolic complications, perforations and dissections, clinical outcome at 90 days, and hemorrhagic complications. Results: Procedural complications occurred in 7.99% (95% CI, 7.17%–8.87%), and embolus to a new territory (ENT) was the most frequent (5.2%). Predictors of ENTs were terminal carotid/tandem occlusion (odds ratio [OR], 5 [95% CI, 2.03–12.31]; P P =0.006). ENTs were associated to worse clinical outcomes (90-day modified Rankin Scale score, 0–2; adjusted OR, 0.4 [95% CI, 0.25–0.63]; P P P =0.011). Perforations occurred in 1.69% (95% CI, 1.31%–2.13%). Predictors of perforations were terminal carotid/tandem occlusions (39.7% versus 27.6%; P =0.028). 40.7% of patients died at 90 days, and the overall rate of poor outcome was 74.6% in case of perforation. Dissections occurred in 1.46% (95% CI, 1.11%–1.88%) and were more common in younger patients (median age, 64.2 versus 70.2 years; P =0.002). Dissections did not affect the clinical outcome at 90 days. Besides dissection, complications were independent of the thrombectomy technique. Conclusions: Thrombectomy complication rate is not negligible, and ENTs were the most frequent. ENTs and perforations were associated with disability and mortality, and terminal carotid/tandem occlusions were a risk factor. Registration: URL: https://www.clinicaltrials.gov ; Unique identifier: NCT03776877.
Published: 2021
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17. Impact of Prior Antiplatelet Therapy on Outcomes After Endovascular Therapy for Acute Stroke: Endovascular Treatment in Ischemic Stroke Registry Results

Author: Couture, Marie, primary, Finitsis, Stephanos, additional, Marnat, Gaultier, additional, Richard, Sébastien, additional, Bourcier, Romain, additional, Constant-dits-Beaufils, Pacôme, additional, Dargazanli, Cyril, additional, Arquizan, Caroline, additional, Mazighi, Mikaël, additional, Blanc, Raphaël, additional, Eugène, François, additional, Vannier, Stéphane, additional, Spelle, Laurent, additional, Denier, Christian, additional, Touzé, Emmanuel, additional, Barbier, Charlotte, additional, Saleme, Suzana, additional, Macian, Francisco, additional, Rosso, Charlotte, additional, Clarençon, Frédéric, additional, Naggara, Olivier, additional, Turc, Guillaume, additional, Ozkul-Wermester, Ozlem, additional, Papagiannaki, Chrysanthi, additional, Viguier, Alain, additional, Cognard, Christophe, additional, Lebras, Anthony, additional, Evain, Sarah, additional, Wolff, Valérie, additional, Pop, Raoul, additional, Timsit, Serge, additional, Gentric, Jean-Christophe, additional, Bourdain, Frédéric, additional, Veunac, Louis, additional, Lapergue, Bertrand, additional, Consoli, Arturo, additional, Gory, Benjamin, additional, Sibon, Igor, additional, Piotin, Michel, additional, Redjem, Hocine, additional, Escalard, Simon, additional, Dessilles, Jean-Philippe, additional, Delvoye, François, additional, Smajda, Stanislas, additional, Maier, Benjamin, additional, Solène, Hebert, additional, Obadia, Mikael, additional, Sabben, Candice, additional, Seners, Pierre, additional, Raynouard, Igor, additional, Corabianu, Ovide, additional, de Broucker, Thomas, additional, Manchon, Eric, additional, Taylor, Guillaume, additional, Ben Maacha, Malek, additional, Thion, Laurie-Anne, additional, Lecler, Augustin, additional, Savatovsjy, Julien, additional, Wang, Adrien, additional, Evrard, Serge, additional, Tchikviladze, Maya, additional, Ajili, Nadia, additional, WeisenburgerLile, David, additional, Gorza, Lucas, additional, Buard, Géraldine, additional, Coskun, Oguzhan, additional, Di Maria, Federico, additional, Rodesh, Georges, additional, Zimatore, Sergio, additional, Leguen, Morgan, additional, Gratieux, Julie, additional, Pico, Fernando, additional, Rakotoharinandrasana, Haja, additional, Tassan, Philippe, additional, Poll, Roxanna, additional, Marinier, Sylvie, additional, Gariel, Florent, additional, Barreau, Xavier, additional, Berge, Jérôme, additional, Menegon, Patrice, additional, Lucas, Ludovic, additional, Olindo, Stéphane, additional, Renou, Pauline, additional, Sagnier, Sharmila, additional, Poli, Mathilde, additional, Debruxelles, Sabrina, additional, Rouanet, François, additional, Tourdias, Thomas, additional, Liegey, Jean-Sebastien, additional, Briau, Pierre, additional, Pangon, Nicolas, additional, Detraz, Lili, additional, Daumas-Duport, Benjamin, additional, Alexandre, Pierre-Louis, additional, Roy, Monica, additional, Lenoble, Cédric, additional, Desal, Hubert, additional, Guillon, Benoît, additional, de Gaalon, Solène, additional, Preterre, Cécile, additional, Bracard, Serge, additional, Anxionnat, René, additional, Braun, Marc, additional, Derelle, Anne-Laure, additional, Liao, Liang, additional, Tonnelet, Romain, additional, Liao, François, additional, Zhu, Emmanuelle, additional, Schmitt, Sophie, additional, Planel, Sébastien, additional, Richard, Lisa, additional, Humbertjean, Gioia, additional, Mione, Jean-Christophe, additional, Lacour, Nolwenn, additional, Riou-Comte, Gérard, additional, Audibert, Marcela, additional, Voicu, Lionel, additional, Alb, Marie, additional, Reitter, Madalina, additional, Brezeanu, Agnès, additional, Masson, Adriana, additional, Tabarna, Iona, additional, Podar, Sarah, additional, Guy, Fatiha, additional, Bechiri, Fatiha, additional, Mounayer, Charbel, additional, Rouchaud, Aymeric, additional, Gimenez, Laetitia, additional, Cosnard, Alexandre, additional, Costalat, Vincent, additional, Gascou, Grégory, additional, Lefèvre, Pierre-Henri, additional, Derraz, Imad, additional, Riquelme, Carlos, additional, Gaillard, Nicolas, additional, Mourand, Isabelle, additional, Corti, Lucas, additional, Cagnazzo, Federico, additional, ter Schiphorst, Adrien, additional, Ferre, Jean-Christophe, additional, Raoult, Hélène, additional, Ronziere, Thomas, additional, Lassale, Maria, additional, Paya, Christophe, additional, Gauvrit, Jean-Yves, additional, Tracol, Clément, additional, Maurice, Sophie Langnier-Lemercier, Axelle, additional, Cochennec, Sabrina, additional, Pinault, Mélanie, additional, Shotar, Eimad, additional, Sourour, Nader, additional, Lenck, Stéphanie, additional, Premat, Kévin, additional, Anne Léger, Yves Samson, additional, Crozier, Sophie, additional, Baronnet, Flore, additional, Alamowitch, Sonia, additional, Bottin, Laure, additional, Yger, Mathon, additional, Degos, Vincent, additional, Chassin, Olivier, additional, Chalumeau, Vanessa, additional, Caroff, Jildaz, additional, Venditti, Laura, additional, Sarov, Mariana, additional, Legris, Nicolas, additional, Hassen, Wagih Ben, additional, Boulouis, Grégoire, additional, Rodriguez-Régent, Christine, additional, Trystram, Denis, additional, Kerleroux, Basile, additional, Domigo, Valérie, additional, Lamy, Catherine, additional, Birchenall, Julia, additional, Isabel, Clothilde, additional, Lun, François, additional, Januel, Anne Christine, additional, Olivot, Jean-Marc, additional, Raposo, Nicolas, additional, Bonneville, Fabrice, additional, Albucher, Jean François, additional, Calviere, Lionel, additional, Darcourt, Jean, additional, Bellanger, Guillaume, additional, Tall, Philippe, additional, Schneckenburger, Romain, additional, Boulanger, Marion, additional, Cogez, Julien, additional, Guettier, Sophie, additional, Gauberti, Maxime, additional, Ognard, Julien, additional, Mathias Merrien., Francois, additional, Wermester, Ozlem Ozku, additional, Massardier, Evelyne, additional, Triquenot, Aude, additional, Lefebvre, Margeaux, additional, Bernady, Patricia, additional, Lagoarde-Segot, Laurent, additional, Cailliez, Hélène, additional, Higue, David, additional, Quenardelle, Veronique, additional, Lauer, Valerie, additional, Gheoca, Roxana, additional, Pierre-Paul, Irene, additional, Beaujeux, Remy, additional, Mihoc, Dan, additional, Manisor, Monica, additional, Pottecher, Julien, additional, Meyer, Alain, additional, Chamaraux-Tran, Thiên-Nga, additional, Le Bras, Anthony, additional, Le Guen, Arnaud, additional, Nighoghossian, Norbert, additional, Riva, Roberto, additional, Eker, Omer, additional, turjman, Francis, additional, Derex, Laurent, additional, Cho, Tae-Hee, additional, Mechtouff, Laura, additional, Claire Lukaszewicz, Anne, additional, Philippeau, Frédéric, additional, Cakmak, Serkan, additional, Blanc-Lasserre, Karine, additional, and Vallet, Anne-Evelyne, additional
Published: 2021
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18. Thrombectomy Complications in Large Vessel Occlusions: Incidence, Predictors, and Clinical Impact in the ETIS Registry

Author: Happi Ngankou, Emmanuel, primary, Gory, Benjamin, additional, Marnat, Gaultier, additional, Richard, Sébastien, additional, Bourcier, Romain, additional, Sibon, Igor, additional, Dargazanli, Cyril, additional, Arquizan, Caroline, additional, Maïer, Benjamin, additional, Blanc, Raphaël, additional, Lapergue, Bertrand, additional, Consoli, Arturo, additional, Vannier, Stéphane, additional, Spelle, Laurent, additional, Denier, Christian, additional, Boulanger, Marion, additional, Gauberti, Maxime, additional, Saleme, Suzana, additional, Macian, Francisco, additional, Clarençon, Frédéric, additional, Rosso, Charlotte, additional, Naggara, Olivier, additional, Turc, Guillaume, additional, Ozkul-Wermester, Ozlem, additional, Papagiannaki, Chrysanthi, additional, Viguier, Alain, additional, Cognard, Christophe, additional, Lebras, Anthony, additional, Evain, Sarah, additional, Wolff, Valérie, additional, Pop, Raoul, additional, Timsit, Serge, additional, Gentric, Jean-Christophe, additional, Bourdain, Frédéric, additional, Veunac, Louis, additional, Eugène, François, additional, Finitsis, Stephanos, additional, Piotin, Michel, additional, Redjem, Hocine, additional, Escalard, Simon, additional, Dessilles, Jean-Philippe, additional, Delvoye, François, additional, Smajda, Stanislas, additional, Solène, Hebert, additional, Mazighi, Mikael, additional, Obadia, Mikael, additional, Sabben, Candice, additional, Seners, Pierre, additional, Raynouard, Igor, additional, Corabianu, Ovide, additional, de Broucker, Thomas, additional, Manchon, Eric, additional, Taylor, Guillaume, additional, Maacha, Malek Ben, additional, Thion, Laurie-Anne, additional, Lecler, Augustin, additional, Savatovsjy, Julien, additional, Wang, Adrien, additional, Evrard, Serge, additional, Tchikviladze, Maya, additional, Ajili, Nadia, additional, WeisenburgerLile, David, additional, Gorza, Lucas, additional, Buard, Géraldine, additional, Coskun, Oguzhan, additional, Di Maria, Federico, additional, Rodesh, Georges, additional, Zimatore, Sergio, additional, Leguen, Morgan, additional, Gratieux, Julie, additional, Pico, Fernando, additional, Rakotoharinandrasana, Haja, additional, Tassan, Philippe, additional, Poll, Roxanna, additional, Marinier, Sylvie, additional, Gariel, Florent, additional, Barreau, Xavier, additional, Berge, Jérôme, additional, Menegon, Patrice, additional, Lucas, Ludovic, additional, Olindo, Stéphane, additional, Renou, Pauline, additional, Sagnier, Sharmila, additional, Poli, Mathilde, additional, Debruxelles, Sabrina, additional, Rouanet, François, additional, Tourdias, Thomas, additional, Liegey, Jean-Sebastien, additional, Briau, Pierre, additional, Pangon, Nicolas, additional, Detraz, Lili, additional, Daumas-Duport, Benjamin, additional, Alexandre, Pierre-Louis, additional, Roy, Monica, additional, Lenoble, Cédric, additional, Desal, Hubert, additional, Guillon, Benoît, additional, de Gaalon, Solène, additional, Preterre, Cécile, additional, Bracard, Serge, additional, Anxionnat, René, additional, Braun, Marc, additional, Derelle, Anne-Laure, additional, Liao, Liang, additional, Zhu, François, additional, Schmitt, Emmanuelle, additional, Planel, Sophie, additional, Humbertjean, Lisa, additional, Mione, Gioia, additional, Lacour, Jean-Christophe, additional, Riou-Comte, Nolwenn, additional, Audibert, Gérard, additional, Voicu, Marcela, additional, Alb, Lionel, additional, Reitter, Marie, additional, Brezeanu, Madalina, additional, Masson, Agnès, additional, Tabarna, Adriana, additional, Podar, Iona, additional, Guy, Sarah, additional, Bechiri, Fatiha, additional, Bourst, Pauline, additional, Mounayer, Charbel, additional, Rouchaud, Aymeric, additional, Gimenez, Laetitia, additional, Cosnard, Alexandre, additional, Costalat, Vincent, additional, Gascou, Grégory, additional, Lefèvre, Pierre-Henri, additional, Derraz, Imad, additional, Riquelme, Carlos, additional, Gaillard, Nicolas, additional, Mourand, Isabelle, additional, Corti, Lucas, additional, Cagnazzo, Federico, additional, ter Schiphorst, Adrien, additional, Ferre, Jean-Christophe, additional, Raoult, Hélène, additional, Ronziere, Thomas, additional, Lassale, Maria, additional, Paya, Christophe, additional, Gauvrit, Jean-Yves, additional, Tracol, Clément, additional, Langnier-Lemercier, Sophie, additional, Maurice, Axelle, additional, Cochennec, Sabrina, additional, Pinault, Mélanie, additional, Shotar, Eimad, additional, Sourour, Nader, additional, Lenck, Stéphanie, additional, Premat, Kévin, additional, Léger, Yves Samson Anne, additional, Crozier, Sophie, additional, Baronnet, Flore, additional, Alamowitch, Sonia, additional, Bottin, Laure, additional, Yger, Mathon, additional, Degos, Vincent, additional, Chassin, Olivier, additional, Chalumeau, Vanessa, additional, Caroff, Jildaz, additional, Venditti, Laura, additional, Sarov, Mariana, additional, Legris, Nicolas, additional, Hassen, Wagih Ben, additional, Boulouis, Grégoire, additional, Rodriguez-Régent, Christine, additional, Trystram, Denis, additional, Kerleroux, Basile, additional, Domigo, Valérie, additional, Lamy, Catherine, additional, Birchenall, Julia, additional, Isabel, Clothilde, additional, Lun, François, additional, Januel, Anne Christine, additional, Olivot, Jean-Marc, additional, Fontaine, Louis, additional, Raposo, Nicolas, additional, Bonneville, Fabrice, additional, Albucher, Jean François, additional, Calviere, Lionel, additional, Darcourt, Jean, additional, Bellanger, Guillaume, additional, Tall, Philippe, additional, Touze, Emmanuel, additional, Barbier, Charlotte, additional, Schneckenburger, Romain, additional, Cogez, Julien, additional, Guettier, Sophie, additional, Ognard, Julien, additional, Merrien, Francois Mathias, additional, Wermester, Ozlem Ozku, additional, Massardier, Evelyne, additional, Triquenot, Aude, additional, Lefebvre, Margeaux, additional, Bernady, Patricia, additional, Lagoarde-Segot, Laurent, additional, Cailliez, Hélène, additional, Higue, David, additional, Quenardelle, Veronique, additional, Lauer, Valerie, additional, Gheoca, Roxana, additional, Pierre-Paul, Irene, additional, Beaujeux, Remy, additional, Mihoc, Dan, additional, Manisor, Monica, additional, Pottecher, Julien, additional, Meyer, Alain, additional, Chamaraux-Tran, Thiên-Nga, additional, Le Bras, Anthony, additional, and Le Guen, Arnaud, additional
Published: 2021
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19. Flow diversion for internal carotid artery aneurysms with compressive neuro-ophthalmologic symptoms: clinical and anatomical results in an international multicenter study

Author: Boulouis, Gregoire, primary, Soize, Sebastien, additional, Maus, Volker, additional, Fischer, Sebastian, additional, Lobsien, Donald, additional, Klisch, Joachim, additional, Styczen, Hanna, additional, Deuschl, Cornelius, additional, Abdullayev, Nuran, additional, Kabbasch, Christoph, additional, Kaiser, Daniel, additional, Jamous, Ala, additional, Behme, Daniel, additional, Janot, Kevin, additional, Bellanger, Guillaume, additional, Cognard, Cristophe, additional, Pierot, Laurent, additional, and Gawlitza, Matthias, additional
Published: 2021
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20. Flow diversion for internal carotid artery aneurysms with compressive neuro- ophthalmologic symptoms: clinical and anatomical results in an international multicenter study.

Author: Boulouis, Gregoire, Soize, Sebastien, Maus, Volker, Fischer, Sebastian, Lobsien, Donald, Klisch, Joachim, Styczen, Hanna, Deuschl, Cornelius, Abdullayev, Nuran, Kabbasch, Christoph, Kaiser, Daniel, Jamous, Ala, Behme, Daniel, Janot, Kevin, Bellanger, Guillaume, Cognard, Cristophe, Pierot, Laurent, and Gawlitza, Matthias
Subjects: INTRACRANIAL aneurysm surgery, RESEARCH, CAROTID artery dissections, CRANIAL nerve diseases, CONFIDENCE intervals, CRANIAL nerves, SURGICAL stents, RETROSPECTIVE studies, SURGICAL complications, BLOOD circulation, DESCRIPTIVE statistics, ODDS ratio, LONGITUDINAL method
Abstract: Background Scientific data on the safety and efficacy of flow diverter stents (FDS) for the treatment of unruptured internal carotid artery (ICA) aneurysms with compressive neuro-ophthalmological symptoms are scarce. We studied this subject in a retrospective international multicenter series, pooling data of 9 tertiary care neurointerventional departments. Objective To investigate, in a retrospective, multicentric cohort of patients presenting with visual or oculomotor symptoms attributed to a compressive carotid artery in an unruptured intracranial aneurysm, the safety and efficacy profiles of FDS, by analyzing neuro-opthalmologic symptom evolution following FDS placement, complications, and aneurysm obliteration rates. Methods All patients treated since 2015 with a FDS for an unruptured aneurysm of the ICA with signs of compressive cranial nerve symptoms (CN II, III, IV, VI) were included. Results We treated 55 patients with 55 aneurysms; 21 (38.2%) patients had oculomotor and 15 (27.3%) visual symptoms only; 19 (34.5%) presented with a combination of both. Treatment-related morbidity/mortality occurred in 7.2% and 3.6%, respectively. At last imaging follow-up (13.1±10.5 months) rates of complete aneurysm occlusion, neck remnant, and aneurysm remnant were 72%, 14%, and 14%, respectively. At last clinical follow-up after 13±10.5 months, 19/51 (37.3%) patients had recovered completely and 18/51 (35.3%) had recovered at least partially from their neuro-ophthalmological symptoms. In multivariable models, a longer delay between symptom onset and treatment was associated with higher odds for incomplete recovery and lower odds for any improvement (aOR 1.03 (95% CI 1.01 to 1.07), p=0.047 and 0.04 (0--0.81), p=0.020). Incomplete recovery was independently associated with older age and fusiform aneurysms. Conclusion FDS are effective to treat patients with compressive aneurysms of the ICA causing neuroophthalmological symptoms, especially when treatment is initiated early after symptom onset, and aneurysm occlusion is adequate. However, serious complications are not rare. [ABSTRACT FROM AUTHOR]
Published: 2022
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21. Leptomeningeal enhancement on post-contrast FLAIR images for early diagnosis of Susac syndrome

Author: Bellanger, Guillaume, primary, Biotti, Damien, additional, Adam, Gilles, additional, Darcourt, Jean, additional, Roques, Margaux, additional, Patsoura, Sofia, additional, Savatovsky, Julien, additional, Obadia, Michael, additional, Menjot de Champfleur, Nicolas, additional, Charif, Mahmoud, additional, Labauge, Pierre, additional, Cotton, Francois, additional, Durand Dubief, Françoise, additional, Tourdias, Thomas, additional, Dulau, Cecile, additional, Kremer, Stéphane, additional, De Sèze, Jérôme, additional, Ciron, Jonathan, additional, Varenne, Fanny, additional, Viguier, Alain, additional, Lerebours, Fleur, additional, Larrue, Vincent, additional, Cognard, Christophe, additional, and Bonneville, Fabrice, additional
Published: 2021
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22. Antithrombotic therapies for neurointerventional surgery: a 2021 French comprehensive national survey

Author: Caroff, Jildaz, Aubert, Laurent, Lavenu-Bombled, Cécile, Figueiredo, Samy, Habchi, Kamelia, Cortese, Jonathan, Eugene, Francois, Ognard, Julien, Tahon, Florence, Forestier, Géraud, Ifergan, Heloise, Zhu, Francois, Hak, Jean-Francois, Reyre, Anthony, Laubacher, Morgane, Traore, Abdoulaye, Desilles, Jean Philippe, Derraz, Imad, Moreno, Ricardo, Bintner, Marc, Charbonnier, Guillaume, Le Bras, Anthony, Veunac, Louis, Gariel, Florent, Redjem, Hocine, Sedat, Jacques, Tessier, Guillaume, Dumas, Victor, Gauberti, Maxime, Chivot, Cyril, Consoli, Arturo, Bricout, Nicolas, Tuilier, Titien, Guedon, Alexis, Pop, Raoul, Thouant, Pierre, Bellanger, Guillaume, Zannoni, Riccardo, Soize, Sebastien, Richter, Johann Sebastian, Heck, Olivier, Mihalea, Cristian, Burel, Julien, Girot, Jean-Baptiste, Shotar, Eimad, Gazzola, Sebastian, Boulouis, Gregoire, and Kerleroux, Basile
Abstract: BackgroundNeurointerventionists lack guidelines for the use of antithrombotic therapies in their clinical practice; consequently, there is likely to be significant heterogeneity in antithrombotic use between centers. Through a nationwide survey, we aimed to obtain an exhaustive cross-sectional overview of antithrombotic use in neurointerventional procedures in France.MethodsIn April 2021, French neurointerventional surgery centers were invited to participate in a nationwide 51-question survey disseminated through an active trainee-led research collaborative network (the JENI-RC).ResultsAll 40 centers answered the survey. Fifty-one percent of centers reported using ticagrelor and 43% used clopidogrel as premedication before intracranial stenting. For flow diversion treatment, dual antiplatelet therapy was maintained for 3 or 6 months in 39% and 53% of centers, respectively, and aspirin was prescribed for 12 months or more than 12 months in 63% and 26% of centers, respectively. For unruptured aneurysms, the most common heparin bolus dose was 50 IU/kg (59%), and only 35% of centers monitored heparin activity for dose adjustment. Tirofiban was used in 64% of centers to treat thromboembolic complications. Fifteen percent of these comprehensive stroke centers reported using tenecteplase to treat acute ischemic strokes. Cangrelor appeared as an emergent drug in specific indications.ConclusionThis nationwide survey highlights the important heterogeneity in clinical practices across centers. There is a pressing need for trials and guidelines to further evaluate and harmonize antithrombotic regimens in the neurointerventional field.
Published: 2023
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23. Absence of susceptibility vessel sign is associated with aspiration-resistant fibrin/platelet-rich thrombi

Author: Darcourt, Jean, primary, Garcia, Cédric, additional, Phuong, Do M, additional, Michelozzi, Caterina, additional, Bellanger, Guillaume, additional, Adam, Gilles, additional, Roques, Margaux, additional, Januel, Anne C, additional, Tall, Philippe, additional, Albucher, Jean F, additional, Olivot, Jean M, additional, Bonneville, Fabrice, additional, Payrastre, Bernard, additional, and Cognard, Christophe, additional
Published: 2021
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24. Leptomeningeal enhancement on post-contrast FLAIR images for early diagnosis of Susac syndrome.

Author: 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, and Viguier, Alain
Subjects: *EARLY diagnosis, *MAGNETIC resonance imaging, *CHI-squared test
Abstract: Background: Leptomeningeal enhancement (LME) is a key feature of Susac syndrome (SuS) but is only occasionally depicted on post-contrast T1-weighted images (T1-WI). Objective: As post-contrast fluid-attenuated inversion recovery (FLAIR) may be more sensitive, our aim was to assess LME in SuS on this sequence. Methods: From 2010 to 2020, 20 patients with definite SuS diagnosis were retrospectively enrolled in this multicentre study. Two radiologists independently assessed the number of LME on post-contrast FLAIR and T1-WI acquisitions performed before any treatment. A chi-square test was used to compare both sequences and the interrater agreement was calculated. Results: Thirty-five magnetic resonance imagings (MRIs) were performed before treatment, including 19 post-contrast FLAIR images in 17 patients and 25 post-contrast T1-WI in 19 patients. In terms of patients, LME was observed on all post-contrast FLAIR, contrary to post-contrast T1-WI (17/17 (100%) vs. 15/19 (79%), p < 0.05). In terms of sequences, LME was observed on all post-contrast FLAIR, contrary to post-contrast T1-WI (19/19 (100%) vs. 16/25 (64%), p < 0.005). LME was disseminated at both supratentorial (19/19) and infratentorial (18/19) levels on post-contrast FLAIR, contrary to post-contrast T1-WI (3/25 and 9/25, respectively). Interrater agreement was excellent for post-contrast FLAIR (κ = 0.95) but only moderate for post-contrast T1-WI (κ = 0.61). Conclusion: LME was always observed and easily visible on post-contrast FLAIR images prior to SuS treatment. In association with other MRI features, it is highly indicative of SuS. [ABSTRACT FROM AUTHOR]
Published: 2022
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25. What is the Relevance of the Systematic Use of Gadolinium During the MRI Follow-Up of Multiple Sclerosis Patients Under Natalizumab?

Author: Bellanger, Guillaume, primary, Biotti, Damien, additional, Patsoura, Sofia, additional, Ciron, Jonathan, additional, Ferrier, Marine, additional, Gramada, Raluca, additional, Meluchova, Zuzana, additional, Lerebours, Fleur, additional, Catalaa, Isabelle, additional, Dumas, Hervé, additional, Cognard, Christophe, additional, Brassat, David, additional, and Bonneville, Fabrice, additional
Published: 2019
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26. OVERLAP BETWEEN COMPUTED TOMOGRAPHIC FEATURES OF HEMORRHAGIC CEREBRAL VENOUS THROMBOSIS AND AMYLOID ANGIOPATHY

Author: Afifi, Khaled, primary, Zuurbier, Susanna, primary, Garcia Esperon, Carlos, primary, Costa, Paolo, primary, Escudero-Martinez, Irene, primary, Renard, Dimitri, primary, Lemmens, Robin, primary, Giralt-steinhauer, Eva, primary, Hiltunen, Sini, primary, Arauz, Antonio, primary, Pezzini, Alessandro, primary, Weimar, Christian, primary, Gattringer, Thomas, primary, Coutinho, Jonathan, primary, Demaerel, Philippe, primary, Thijs, Vincent, primary, Bellanger, Guillaume, primary, and barboza Elizondo, Miguel, primary
Published: 2019
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27. Abstract TP423: Risk Factors for Intracranial Hemorrhage in Cerebral Venous Thrombosis

Author: Afifi, Khaled, primary, Bellanger, Guillaume, additional, Zuurbier, Yvonne, additional, Garcia Esperon, Carlos, additional, Barboza, Miguel, additional, Buyck, Pieter-Jan, additional, Costa, Paolo, additional, Escudero, Irene, additional, Renard, Dimitri, additional, Lemmens, Robin, additional, Hinteregger, Nicole, additional, Fazekas, Franz, additional, Jimenez Conde, Jordi, additional, Giralt-Steinhauer, Eva, additional, Hiltunen, Sini, additional, Pezzini, Alessandro, additional, Montaner, Joan, additional, Weimar, Christian, additional, Churilov, Leonid, additional, Gattringer, Thomas, additional, Asadi, Hamed, additional, Tatlisumak, Turgut, additional, Coutinho, Jonathan, additional, Demaerel, Philippe, additional, and Thijs, Vincent, additional
Published: 2019
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28. OVERLAP BETWEEN COMPUTED TOMOGRAPHIC FEATURES OF HEMORRHAGIC CEREBRAL VENOUS THROMBOSIS AND AMYLOID ANGIOPATHY

Author: Bellanger, Guillaume
Abstract: Background & purpose:Both amyloid angiopathy and cerebral venous thrombosis are associated with lobar hemorrhage and subarachnoid hemorrhage. The recently developed Edinburgh criteria were developed to allow a CT based diagnosis of cerebral amyloid angiopathy. The specificity of these criteria in patients with cerebral venous thrombosis has however not been established. We studied the prevalence of features of cerebral amyloid angiopathy in a multicenter cohort of patients with hemorrhagic cerebral venous thrombosis.MethodsWe enrolled 285 patients with cerebral venous thrombosis using magnetic resonance imaging, CT venography or digital substraction angiography in a retrospective, multicenter cohort study to assess the diagnostic accuracy of non-contrast CT. Two raters applied the Edinburgh CT criteria and the modified Boston criteria (without age restriction) for cerebral amyloid angiopathy to patients with confirmed diagnosis of hemorrhagic cerebral venous thrombosis, searching for lobar hemorrhage with or without finger like projections and subarachnoid hemorrhage.ResultsOf 102 patients with hemorrhagic cerebral venous thrombosis, 12 (11%) patients had a high probability and 7 patients (6%) had an intermediate probability of cerebral amyloid angiopathy according to Edinburgh CT criteria. Of 82 patients with lobar hemorrhage, 30 (37%) were classified as probable cerebral amyloid angiopathy and 52 (63%) as possible cerebral amyloid angiopathy according to modified Boston criteria. Conclusion:A diagnosis of cerebral venous thrombosis needs to be entertained when patients present with hemorrhage suggestive of cerebral amyloid angiopathy
Published: 2017

29. TEMPORARY REMOVAL: TRAITEMENT PAR ANGIOPLASTIE SEULE DES DISSECTIONS CAROTIDIENNES AVEC ACCIDENT VASCULAIRE CÉRÉBRAL ISCHÉMIQUE

Author: Abousleiman, Joe-Marie, Bellanger, Guillaume, Cognard, Christophe, Bonneville, Fabrice, Viguier, Alain, and Raveneau, Magali
Published: 2024
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30. Risk Factors for Intracranial Hemorrhage in Cerebral Venous Thrombosis

Author: Afifi, Khaled, Bellanger, Guillaume, Zuurbier, Yvonne, Esperon, Garcia Carlos, Barboza, Miguel, Buyck, Pieter-Jan, Costa, Paolo, Irene Escudero-Martínez, Renard, Dimitri, Lemmens, Robin, Hinteregger, Nicole, Fazekas, Franz, Jimenez Conde, Jordi, Giralt-Steinhauer, Eva, Hiltunen, Sini, Pezzini, Alessandro, Montaner, Joan, Weimar, Christian, Churilov, Leonid, Gattringer, Thomas, Asadi, Hamed, Tatlisumak, Turgut, Coutinho, Jonathan, Demaerel, Philippe, and Thijs, Vincent

31. Flow diversion for internal carotid artery aneurysms with compressive neuro-ophthalmologic symptoms: clinical and anatomical results in an international multicenter study

Author: Boulouis, Gregoire, Soize, Sebastien, Maus, Volker, Fischer, Sebastian, Lobsien, Donald, Klisch, Joachim, Styczen, Hanna, Deuschl, Cornelius, Abdullayev, Nuran, Kabbasch, Christoph, Kaiser, Daniel, Jamous, Ala, Behme, Daniel, Janot, Kevin, Bellanger, Guillaume, Cognard, Cristophe, Pierot, Laurent, Gawlitza, Matthias, Boulouis, Gregoire, Soize, Sebastien, Maus, Volker, Fischer, Sebastian, Lobsien, Donald, Klisch, Joachim, Styczen, Hanna, Deuschl, Cornelius, Abdullayev, Nuran, Kabbasch, Christoph, Kaiser, Daniel, Jamous, Ala, Behme, Daniel, Janot, Kevin, Bellanger, Guillaume, Cognard, Cristophe, Pierot, Laurent, and Gawlitza, Matthias
Abstract: Background Scientific data on the safety and efficacy of flow diverter stents (FDS) for the treatment of unruptured internal carotid artery (ICA) aneurysms with compressive neuro-ophthalmological symptoms are scarce. We studied this subject in a retrospective international multicenter series, pooling data of 9 tertiary care neurointerventional departments. Objective To investigate, in a retrospective, multicentric cohort of patients presenting with visual or oculomotor symptoms attributed to a compressive carotid artery in an unruptured intracranial aneurysm, the safety and efficacy profiles of FDS, by analyzing neuro-opthalmologic symptom evolution following FDS placement, complications, and aneurysm obliteration rates. Methods All patients treated since 2015 with a FDS for an unruptured aneurysm of the ICA with signs of compressive cranial nerve symptoms (CN II, III, IV, VI) were included. Results We treated 55 patients with 55 aneurysms; 21 (38.2%) patients had oculomotor and 15 (27.3%) visual symptoms only; 19 (34.5%) presented with a combination of both. Treatment-related morbidity/mortality occurred in 7.2% and 3.6%, respectively. At last imaging follow-up (13.1 +/- 10.5 months) rates of complete aneurysm occlusion, neck remnant, and aneurysm remnant were 72%, 14%, and 14%, respectively. At last clinical follow-up after 13 +/- 10.5 months, 19/51 (37.3%) patients had recovered completely and 18/51 (35.3%) had recovered at least partially from their neuro-ophthalmological symptoms. In multivariable models, a longer delay between symptom onset and treatment was associated with higher odds for incomplete recovery and lower odds for any improvement (aOR 1.03 (95% CI 1.01 to 1.07), p=0.047 and 0.04 (0-0.81), p=0.020). Incomplete recovery was independently associated with older age and fusiform aneurysms. Conclusion FDS are effective to treat patients with compressive aneurysms of the ICA causing neuro-ophthalmological symptoms, especially when treatment is initiated

32. Flow diversion for internal carotid artery aneurysms with compressive neuro-ophthalmologic symptoms: clinical and anatomical results in an international multicenter study

Author: Boulouis, Gregoire, Soize, Sebastien, Maus, Volker, Fischer, Sebastian, Lobsien, Donald, Klisch, Joachim, Styczen, Hanna, Deuschl, Cornelius, Abdullayev, Nuran, Kabbasch, Christoph, Kaiser, Daniel, Jamous, Ala, Behme, Daniel, Janot, Kevin, Bellanger, Guillaume, Cognard, Cristophe, Pierot, Laurent, Gawlitza, Matthias, Boulouis, Gregoire, Soize, Sebastien, Maus, Volker, Fischer, Sebastian, Lobsien, Donald, Klisch, Joachim, Styczen, Hanna, Deuschl, Cornelius, Abdullayev, Nuran, Kabbasch, Christoph, Kaiser, Daniel, Jamous, Ala, Behme, Daniel, Janot, Kevin, Bellanger, Guillaume, Cognard, Cristophe, Pierot, Laurent, and Gawlitza, Matthias
Abstract: Background Scientific data on the safety and efficacy of flow diverter stents (FDS) for the treatment of unruptured internal carotid artery (ICA) aneurysms with compressive neuro-ophthalmological symptoms are scarce. We studied this subject in a retrospective international multicenter series, pooling data of 9 tertiary care neurointerventional departments. Objective To investigate, in a retrospective, multicentric cohort of patients presenting with visual or oculomotor symptoms attributed to a compressive carotid artery in an unruptured intracranial aneurysm, the safety and efficacy profiles of FDS, by analyzing neuro-opthalmologic symptom evolution following FDS placement, complications, and aneurysm obliteration rates. Methods All patients treated since 2015 with a FDS for an unruptured aneurysm of the ICA with signs of compressive cranial nerve symptoms (CN II, III, IV, VI) were included. Results We treated 55 patients with 55 aneurysms; 21 (38.2%) patients had oculomotor and 15 (27.3%) visual symptoms only; 19 (34.5%) presented with a combination of both. Treatment-related morbidity/mortality occurred in 7.2% and 3.6%, respectively. At last imaging follow-up (13.1 +/- 10.5 months) rates of complete aneurysm occlusion, neck remnant, and aneurysm remnant were 72%, 14%, and 14%, respectively. At last clinical follow-up after 13 +/- 10.5 months, 19/51 (37.3%) patients had recovered completely and 18/51 (35.3%) had recovered at least partially from their neuro-ophthalmological symptoms. In multivariable models, a longer delay between symptom onset and treatment was associated with higher odds for incomplete recovery and lower odds for any improvement (aOR 1.03 (95% CI 1.01 to 1.07), p=0.047 and 0.04 (0-0.81), p=0.020). Incomplete recovery was independently associated with older age and fusiform aneurysms. Conclusion FDS are effective to treat patients with compressive aneurysms of the ICA causing neuro-ophthalmological symptoms, especially when treatment is initiated

33. Flow-diverting stents for the treatment of unruptured distal anterior cerebral artery aneurysms: analysis of the CRETA Registry.

Author: Scarcia L, Clarençon F, Dmytriw AA, Shotar E, Premat K, Jabbour P, Tjoumakaris SI, Gooch R, Psychogios MN, Ntoulias N, Sporns PB, Puri AS, Singh J, Kuhn AL, Hassan AE, Algin O, Möhlenbruch MA, Hohenstatt S, Russo R, Bergui M, Goren O, Kole MJ, Bankole NDA, Bibi R, Boulouis G, Morimoto T, Sakakibara F, Pop R, Juravle C, Ho JW, Ferrario A, Pujol Lereis V, Cooper J, Gandhi CD, Salsano G, Castellan L, Camilli A, Consoli A, Sgreccia A, Raz E, Chung C, Burel J, Papagiannaki C, Rasheed U, Baqir Hassan KM, Hong T, Ji Z, Rautio R, Sinislao M, Ruggiero M, Lafe E, Da Ros V, Bellini L, Gabrieli JD, Cester G, Levitt MR, Carroll KT, Abecassis ZA, Caragliano AA, Vinci SL, Bellanger G, Cognard C, Marnat G, Saleille L, Limbucci N, Capasso F, Piano M, Rollo C, Guedon A, Arpaia F, Romi A, Di Caterino F, Biondi A, Kalsoum E, Mykola V, Guenego A, Patel AB, Pereira VM, Pedicelli A, and Alexandre AM
Abstract: Background: Data about the safety and the efficacy of flow diversion for distal anterior cerebral artery (DACA) aneurysms are limited. We present the largest multicenter analysis evaluating the outcomes of flow diversion in unruptured DACA aneurysm treatment., Methods: Databases from 39 centers were retrospectively reviewed for unruptured DACA aneurysms treated with flow-diverting stents. Demographics, clinical presentation, radiographic characteristics, procedural complications, and outcomes were assessed., Results: A total of 168 patients with 168 unruptured DACA aneurysms were treated between January 2018 and December 2022. One hundred and twenty-five were women (74.4%) and the median age was 61 (IQR 52-67) years. The most common morphology was saccular (91.7%), with branch involvement in 61.9% of cases. Median parent vessel diameter was 1.9 mm (IQR 1.7-2.2) and stents were successfully deployed in 99.4% of cases. In 96.4% a single stent was implanted, while 3.6% of cases required two stents. Median imaging follow-up was 16.5 (IQR 7-24) months. At last follow-up the rate of occlusion (O'Kelly-Marotta scale C or D) was 82.1%. Symptomatic thromboembolic or hemorrhagic complications occurred in 5.3% of patients and the mortality rate was 0.6%. The rate of retreatment was 1.2%., Conclusions: Flow-diverting stents are a reasonably safe and effective treatment option for unruptured DACA aneurysms., Competing Interests: Competing interests: TM: Outside the submitted work, received lecturer’s fees from Abbott, AstraZeneca, Boehringer Ingelheim, Bristol-Myers Squibb, Daiichi Sankyo, Japan Lifeline, Pfizer, Tsumura and UCB; manuscript fee from Pfizer; advisory board for GlaxoSmithKline, Novartis and Teijin. FS: Outside the submitted work received lecturer’s fee from Idorsia Pharmaceuticals for the past 36 months. OG: Outside the submitted work, MicroVention proctor for the WEB device, Stryker consultant, Route 92 consultant.ML: Unrestricted educational grants from Medtronic and Stryker; consulting agreement with Aeaean Advisers, Metis Innovative, Genomadix, AIDoc and Arsenal Medical; equity interest in Proprio, Stroke Diagnostics, Apertur, Stereotaxis, Fluid Biomed, Synchron and Hyperion Surgical; editorial board of Journal of NeuroInterventional Surgery; Data safety monitoring board of Arsenal Medical. AMA: educational grants from Medtronic, Stryker, Balt and Microvention/Terumo unrelated to the current study. AP: educational grants from Medtronic, Stryker, Balt and Microvention/Terumo unrelated to the current study. AEH: Consultant/Speaker: Medtronic, Microvention, Stryker, Penumbra, Cerenovus, Genentech, GE Healthcare, Scientia, Balt, Viz.ai, Insera therapeutics, Proximie, NeuroVasc, NovaSignal, Vesalio, Rapid Medical, Imperative Care, Galaxy Therapeutics, Route 92, Perfuze, CorTech, Shockwave, Toro and Xcath. Principal Investigator: COMPLETE study – Penumbra, LVO SYNCHRONISE – Viz.ai, MARRS - Perfuze, RESCUE - ICAD - Medtronic. Steering Committee/Publication committee member: SELECT, DAWN, SELECT 2, EXPEDITE II, EMBOLISE, CLEAR, ENVI, DELPHI, DISTALS. DSMB - COMAND trial. ML Unrestricted educational grants from Medtronic and Stryker; consulting agreement with Aeaean Advisers, Metis Innovative, Genomadix, AIDoc and Arsenal Medical; equity interest in Proprio, Stroke Diagnostics, Apertur, Stereotaxis, Fluid Biomed, Synchron and Hyperion Surgical; editorial board of Journal of NeuroInterventional Surgery; Data safety monitoring board of Arsenal Medical. FC reports conflicts of interest with Medtronic, Balt Extrusion (consultant), ClinSearch (core lab), Penumbra, Stryker (payment for reading) and Artedrone (Board); all not directly related to the present work. CC consultant for Medtronic, Microvention, Cerenovus, Stryker, Anaconda, unrelated to the current study., (© Author(s) (or their employer(s)) 2024. No commercial re-use. See rights and permissions. Published by BMJ.)
Published: 2025
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33 results on '"Bellanger, Guillaume"'

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31. Flow diversion for internal carotid artery aneurysms with compressive neuro-ophthalmologic symptoms: clinical and anatomical results in an international multicenter study

32. Flow diversion for internal carotid artery aneurysms with compressive neuro-ophthalmologic symptoms: clinical and anatomical results in an international multicenter study

33. Flow-diverting stents for the treatment of unruptured distal anterior cerebral artery aneurysms: analysis of the CRETA Registry.

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