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<meta name="DC.Language" content="en" />
<meta name="DC.Title" content="Impact of A1 Asymmetry on the Woven EndoBridge Device in Anterior Communicating Artery Aneurysms" />
<meta name="DC.Identifier" content="10.3174/ajnr.A7189" />
<meta name="DC.Date" content="2021-08-01" />
<meta name="DC.Publisher" content="American Journal of Neuroradiology" />
<meta name="DC.Rights" content="© 2021 by American Journal of Neuroradiology" />
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<meta name="DC.Description" content="BACKGROUND AND PURPOSE: Woven EndoBridge (WEB) devices are increasingly used to treat intracranial aneurysms. A1 asymmetry contributes to anterior communicating artery aneurysm formation and to treatment instability after coiling. We sought to evaluate whether A1 asymmetry had an impact on angiographic outcome in anterior communicating artery aneurysms treated with the WEB.

MATERIALS AND METHODS: Anterior communicating artery aneurysms treated between July 2012 and July 2020 with the WEB from an institutional review board–approved database were reviewed. A1 asymmetry was categorized as the following: absence of the A1 segment on 1 side (unilateral A1) versus bilateral A1. Univariate and multivariable analyses assessed independent predictors of adequate (WEB Occlusion Scale A, B, and C) and complete occlusion (WEB Occlusion Scale A and B).

RESULTS: Forty-eight individual aneurysms (47 patients) were included in the final analysis, of which 16 (33%) were acutely ruptured. The mean size was 6.5 (SD, 2.2) mm. Adequate and complete occlusion was achieved in 33 (69%) and 30 (63%) cases, respectively. Unilateral A1 was associated with significantly higher rates of adequate (92% versus 60% for bilateral A1; P = .03) and complete occlusion (92% versus 50% for bilateral A1; P &lt; .01). Multivariable logistic regression confirmed unilateral A1 as an independent predictor of both adequate (OR = 10.6; 95% CI, 1.6–220.7; P = .04) and complete occlusion (OR = 9.5, 95% CI, 1.5–190.2; P = .04. A sensitivity analysis comparing unilateral “functional” A1 with bilateral “functional” A1 showed similar results. WEB shape modification was not influenced by the unilateral A1 configuration ( P = .70).

CONCLUSIONS: Anterior communicating artery aneurysms with a unilateral A1 configuration treated with WEB devices are associated with better angiographic outcome than those with bilateral A1. This finding supports the hypothesis that WEB devices are resistant to unilateral flow in the aneurysm as opposed to coils.

ACoA
:   anterior communicating artery
WOS
:   WEB Occlusion Scale
WShM
:   WEB shape modification" />
<meta name="DC.Contributor" content="J. Cortese" />
<meta name="DC.Contributor" content="J. Caroff" />
<meta name="DC.Contributor" content="J.-B. Girot" />
<meta name="DC.Contributor" content="C. Mihalea" />
<meta name="DC.Contributor" content="V. Da Ros" />
<meta name="DC.Contributor" content="G. Aguiar" />
<meta name="DC.Contributor" content="A. Elawady" />
<meta name="DC.Contributor" content="L. Ikka" />
<meta name="DC.Contributor" content="S. Gallas" />
<meta name="DC.Contributor" content="A. Ozanne" />
<meta name="DC.Contributor" content="V. Chalumeau" />
<meta name="DC.Contributor" content="A. Rouchaud" />
<meta name="DC.Contributor" content="J. Moret" />
<meta name="DC.Contributor" content="L. Spelle" />
<meta name="article:published_time" content="2021-08-01" />
<meta name="article:section" content="Interventional" />
<meta name="citation_title" content="Impact of A1 Asymmetry on the Woven EndoBridge Device in Anterior Communicating Artery Aneurysms" />
<meta name="citation_abstract" lang="en" content="&lt;h3&gt;BACKGROUND AND PURPOSE:&lt;/h3&gt;
&lt;p&gt;Woven EndoBridge (WEB) devices are increasingly used to treat intracranial aneurysms. A1 asymmetry contributes to anterior communicating artery aneurysm formation and to treatment instability after coiling. We sought to evaluate whether A1 asymmetry had an impact on angiographic outcome in anterior communicating artery aneurysms treated with the WEB.&lt;/p&gt;&lt;h3&gt;MATERIALS AND METHODS:&lt;/h3&gt;
&lt;p&gt;Anterior communicating artery aneurysms treated between July 2012 and July 2020 with the WEB from an institutional review board–approved database were reviewed. A1 asymmetry was categorized as the following: absence of the A1 segment on 1 side (unilateral A1) versus bilateral A1. Univariate and multivariable analyses assessed independent predictors of adequate (WEB Occlusion Scale A, B, and C) and complete occlusion (WEB Occlusion Scale A and B).&lt;/p&gt;&lt;h3&gt;RESULTS:&lt;/h3&gt;
&lt;p&gt;Forty-eight individual aneurysms (47 patients) were included in the final analysis, of which 16 (33%) were acutely ruptured. The mean size was 6.5 (SD, 2.2) mm. Adequate and complete occlusion was achieved in 33 (69%) and 30 (63%) cases, respectively. Unilateral A1 was associated with significantly higher rates of adequate (92% versus 60% for bilateral A1; &lt;i&gt;P&lt;/i&gt; = .03) and complete occlusion (92% versus 50% for bilateral A1; &lt;i&gt;P&lt;/i&gt; &amp;lt; .01). Multivariable logistic regression confirmed unilateral A1 as an independent predictor of both adequate (OR = 10.6; 95% CI, 1.6–220.7; &lt;i&gt;P&lt;/i&gt; = .04) and complete occlusion (OR = 9.5, 95% CI, 1.5–190.2; &lt;i&gt;P&lt;/i&gt; = .04. A sensitivity analysis comparing unilateral “functional” A1 with bilateral “functional” A1 showed similar results. WEB shape modification was not influenced by the unilateral A1 configuration (&lt;i&gt;P&lt;/i&gt; = .70).&lt;/p&gt;&lt;h3&gt;CONCLUSIONS:&lt;/h3&gt;
&lt;p&gt;Anterior communicating artery aneurysms with a unilateral A1 configuration treated with WEB devices are associated with better angiographic outcome than those with bilateral A1. This finding supports the hypothesis that WEB devices are resistant to unilateral flow in the aneurysm as opposed to coils.&lt;/p&gt;" />
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<meta name="twitter:title" content="Impact of A1 Asymmetry on the Woven EndoBridge Device in Anterior Communicating Artery Aneurysms" />
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<meta name="twitter:description" content="BACKGROUND AND PURPOSE: Woven EndoBridge (WEB) devices are increasingly used to treat intracranial aneurysms. A1 asymmetry contributes to anterior communicating artery aneurysm formation and to treatment instability after coiling. We sought to evaluate whether A1 asymmetry had an impact on angiographic outcome in anterior communicating artery aneurysms treated with the WEB.

MATERIALS AND METHODS: Anterior communicating artery aneurysms treated between July 2012 and July 2020 with the WEB from an institutional review board–approved database were reviewed. A1 asymmetry was categorized as the following: absence of the A1 segment on 1 side (unilateral A1) versus bilateral A1. Univariate and multivariable analyses assessed independent predictors of adequate (WEB Occlusion Scale A, B, and C) and complete occlusion (WEB Occlusion Scale A and B).

RESULTS: Forty-eight individual aneurysms (47 patients) were included in the final analysis, of which 16 (33%) were acutely ruptured. The mean size was 6.5 (SD, 2.2) mm. Adequate and complete occlusion was achieved in 33 (69%) and 30 (63%) cases, respectively. Unilateral A1 was associated with significantly higher rates of adequate (92% versus 60% for bilateral A1; P = .03) and complete occlusion (92% versus 50% for bilateral A1; P &lt; .01). Multivariable logistic regression confirmed unilateral A1 as an independent predictor of both adequate (OR = 10.6; 95% CI, 1.6–220.7; P = .04) and complete occlusion (OR = 9.5, 95% CI, 1.5–190.2; P = .04. A sensitivity analysis comparing unilateral “functional” A1 with bilateral “functional” A1 showed similar results. WEB shape modification was not influenced by the unilateral A1 configuration ( P = .70).

CONCLUSIONS: Anterior communicating artery aneurysms with a unilateral A1 configuration treated with WEB devices are associated with better angiographic outcome than those with bilateral A1. This finding supports the hypothesis that WEB devices are resistant to unilateral flow in the aneurysm as opposed to coils.

ACoA
:   anterior communicating artery
WOS
:   WEB Occlusion Scale
WShM
:   WEB shape modification" />
<meta name="og-title" property="og:title" content="Impact of A1 Asymmetry on the Woven EndoBridge Device in Anterior Communicating Artery Aneurysms" />
<meta name="og-url" property="og:url" content="http://ajnr-stage2.stage.highwire.org/content/42/8/1479" />
<meta name="og-site-name" property="og:site_name" content="American Journal of Neuroradiology" />
<meta name="og-description" property="og:description" content="BACKGROUND AND PURPOSE: Woven EndoBridge (WEB) devices are increasingly used to treat intracranial aneurysms. A1 asymmetry contributes to anterior communicating artery aneurysm formation and to treatment instability after coiling. We sought to evaluate whether A1 asymmetry had an impact on angiographic outcome in anterior communicating artery aneurysms treated with the WEB.

MATERIALS AND METHODS: Anterior communicating artery aneurysms treated between July 2012 and July 2020 with the WEB from an institutional review board–approved database were reviewed. A1 asymmetry was categorized as the following: absence of the A1 segment on 1 side (unilateral A1) versus bilateral A1. Univariate and multivariable analyses assessed independent predictors of adequate (WEB Occlusion Scale A, B, and C) and complete occlusion (WEB Occlusion Scale A and B).

RESULTS: Forty-eight individual aneurysms (47 patients) were included in the final analysis, of which 16 (33%) were acutely ruptured. The mean size was 6.5 (SD, 2.2) mm. Adequate and complete occlusion was achieved in 33 (69%) and 30 (63%) cases, respectively. Unilateral A1 was associated with significantly higher rates of adequate (92% versus 60% for bilateral A1; P = .03) and complete occlusion (92% versus 50% for bilateral A1; P &lt; .01). Multivariable logistic regression confirmed unilateral A1 as an independent predictor of both adequate (OR = 10.6; 95% CI, 1.6–220.7; P = .04) and complete occlusion (OR = 9.5, 95% CI, 1.5–190.2; P = .04. A sensitivity analysis comparing unilateral “functional” A1 with bilateral “functional” A1 showed similar results. WEB shape modification was not influenced by the unilateral A1 configuration ( P = .70).

CONCLUSIONS: Anterior communicating artery aneurysms with a unilateral A1 configuration treated with WEB devices are associated with better angiographic outcome than those with bilateral A1. This finding supports the hypothesis that WEB devices are resistant to unilateral flow in the aneurysm as opposed to coils.

ACoA
:   anterior communicating artery
WOS
:   WEB Occlusion Scale
WShM
:   WEB shape modification" />
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    <div class="highwire-article-citation highwire-citation-type-highwire-article node92379--7" data-node-nid="92379" id="top-node-92379--8319283639" data-pisa="ajnr;42/8/1479" data-pisa-master="ajnr;ajnr.A7189" data-apath="/ajnr/42/8/1479.atom" data-hw-author-tooltip-instance="highwire_author_tooltip"><div class="highwire-cite highwire-cite-highwire-article highwire-citation-jcore-article-title-complete clearfix has-author-tooltip highwire-citation-highwire-article-top-a">
  
  
      <div class="highwire-cite-overline"><span  class="highwire-cite-metadata-article-type highwire-cite-metadata">Research Article</span><span class="separator-pipe"></span><span  class="highwire-cite-metadata-art-cat highwire-cite-metadata"><span class="wrapper">Interventional</span></span></div>
  
      <div class="highwire-cite-access"><span class="highwire-citation-access highwire-citation-access-check" data-pisa-id="ajnr;ajnr.A7189" data-atom-uri="/ajnr/42/8/1479.atom" data-request-view="full"></span></div>
  
      <h1 class="highwire-cite-title" id="page-title">Impact of A1 Asymmetry on the Woven EndoBridge Device in Anterior Communicating Artery Aneurysms</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">J. Cortese</span>, <span class="highwire-citation-author" data-delta="1">J. Caroff</span>, <span class="highwire-citation-author" data-delta="2">J.-B. Girot</span>, <span class="highwire-citation-author" data-delta="3">C. Mihalea</span>, <span class="highwire-citation-author" data-delta="4">V. Da Ros</span>, <span class="highwire-citation-author" data-delta="5">G. Aguiar</span>, <span class="highwire-citation-author" data-delta="6">A. Elawady</span>, <span class="highwire-citation-author" data-delta="7">L. Ikka</span>, <span class="highwire-citation-author" data-delta="8">S. Gallas</span>, <span class="highwire-citation-author" data-delta="9">A. Ozanne</span>, <span class="highwire-citation-author" data-delta="10">V. Chalumeau</span>, <span class="highwire-citation-author" data-delta="11">A. Rouchaud</span>, <span class="highwire-citation-author" data-delta="12">J. Moret</span> and <span class="highwire-citation-author" data-delta="13">L. Spelle</span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">August 2021,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">42 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(8) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">1479-1485; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata">DOI: https://doi.org/10.3174/ajnr.A7189 </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-92379--8319283639" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">J. Cortese </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=J.%2BCortese%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Cortese%20J&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AJ.%2BCortese%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-1616-9113" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for J. Cortese</a></li></ul></div><div class="author-tooltip-1"><div class="author-tooltip-name">J. Caroff </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=J.%2BCaroff%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Caroff%20J&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AJ.%2BCaroff%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-0029-1835" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for J. Caroff</a></li></ul></div><div class="author-tooltip-2"><div class="author-tooltip-name">J.-B. Girot </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div><div class='author-affiliation'><span class='nlm-sup'>b</span>Department of Radiology (J.-B.G.), Angers University Hospital, Angers, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=J.-B.%2BGirot%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Girot%20J&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AJ.-B.%2BGirot%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-2780-6907" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for J.-B. Girot</a></li></ul></div><div class="author-tooltip-3"><div class="author-tooltip-name">C. Mihalea </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=C.%2BMihalea%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Mihalea%20C&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AC.%2BMihalea%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-8260-8284" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for C. Mihalea</a></li></ul></div><div class="author-tooltip-4"><div class="author-tooltip-name">V. Da Ros </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>c</span>Department of Biomedicine (V.D.R.), Fondazione PTV Policlinico Tor Vergata, Roma, Italy</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=V.%2BDa%2BRos%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Da%20Ros%20V&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AV.%2BDa%2BRos%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0001-7167-7594" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for V. Da Ros</a></li></ul></div><div class="author-tooltip-5"><div class="author-tooltip-name">G. Aguiar </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=G.%2BAguiar%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Aguiar%20G&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AG.%2BAguiar%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0003-3206-2081" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for G. Aguiar</a></li></ul></div><div class="author-tooltip-6"><div class="author-tooltip-name">A. Elawady </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=A.%2BElawady%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Elawady%20A&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AA.%2BElawady%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-1080-6222" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for A. Elawady</a></li></ul></div><div class="author-tooltip-7"><div class="author-tooltip-name">L. Ikka </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=L.%2BIkka%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Ikka%20L&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AL.%2BIkka%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-6739-3692" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for L. Ikka</a></li></ul></div><div class="author-tooltip-8"><div class="author-tooltip-name">S. Gallas </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=S.%2BGallas%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Gallas%20S&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AS.%2BGallas%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-7189-8888" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for S. Gallas</a></li></ul></div><div class="author-tooltip-9"><div class="author-tooltip-name">A. Ozanne </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=A.%2BOzanne%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Ozanne%20A&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AA.%2BOzanne%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-2730-6400" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for A. Ozanne</a></li></ul></div><div class="author-tooltip-10"><div class="author-tooltip-name">V. Chalumeau </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=V.%2BChalumeau%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Chalumeau%20V&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AV.%2BChalumeau%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-7753-7186" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for V. Chalumeau</a></li></ul></div><div class="author-tooltip-11"><div class="author-tooltip-name">A. Rouchaud </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>d</span>Department of Interventional Neuroradiology (A.R.), Limoges University Hospital, Limoges, France</div><div class='author-affiliation'><span class='nlm-sup'>e</span>University of Limoges (A.R.), XLIM UMR CNRS 7252, Limoges, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=A.%2BRouchaud%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Rouchaud%20A&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AA.%2BRouchaud%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0003-0902-3375" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for A. Rouchaud</a></li></ul></div><div class="author-tooltip-12"><div class="author-tooltip-name">J. Moret </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=J.%2BMoret%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Moret%20J&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AJ.%2BMoret%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-2086-2973" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for J. Moret</a></li></ul></div><div class="author-tooltip-13"><div class="author-tooltip-name">L. Spelle </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</div></span></div><ul class="author-tooltip-find-more"><li class="author-tooltip-gs-link first"><a href="/lookup/google-scholar?link_type=googlescholar&amp;gs_type=author&amp;author%5B0%5D=L.%2BSpelle%2B" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on Google Scholar</a></li><li class="author-tooltip-pubmed-link"><a href="/lookup/external-ref?access_num=Spelle%20L&amp;link_type=AUTHORSEARCH" target="_blank" class="" data-icon-position="" data-hide-link-title="0">Find this author on PubMed</a></li><li class="author-site-search-link"><a href="/search/author1%3AL.%2BSpelle%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li><li class="author-orcid-link last"><a href="https://orcid.org/0000-0002-6748-8528" target="_blank" class="" data-icon-position="" data-hide-link-title="0">ORCID record for L. Spelle</a></li></ul></div></div></div>  </div>

  
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    <div class="highwire-markup"><div xmlns="http://www.w3.org/1999/xhtml" class="content-block-markup" xmlns:xhtml="http://www.w3.org/1999/xhtml"><div xmlns:xhtml="http://www.w3.org/1999/xhtml" class="contributors"><ol class="contributor-list" id="contrib-group-1"><li class="contributor" id="contrib-1"><span class="name">J. Cortese</span><a id="xref-aff-1-1" class="xref-aff" href="#aff-1">a</a>, </li><li class="contributor" id="contrib-2"><span class="name">J. Caroff</span><a id="xref-aff-1-2" class="xref-aff" href="#aff-1">a</a>, </li><li class="contributor" id="contrib-3"><span class="name">J.-B. Girot</span><a id="xref-aff-1-3" class="xref-aff" href="#aff-1">a</a><span class="xref-sep">,</span><a id="xref-aff-2-1" class="xref-aff" href="#aff-2">b</a>, </li><li class="contributor" id="contrib-4"><span class="name">C. Mihalea</span><a id="xref-aff-1-4" class="xref-aff" href="#aff-1">a</a>, </li><li class="contributor" id="contrib-5"><span class="name">V. Da Ros</span><a id="xref-aff-3-1" class="xref-aff" href="#aff-3">c</a>, </li><li class="contributor" id="contrib-6"><span class="name">G. Aguiar</span><a id="xref-aff-1-5" class="xref-aff" href="#aff-1">a</a>, </li><li class="contributor" id="contrib-7"><span class="name">A. Elawady</span><a id="xref-aff-1-6" class="xref-aff" href="#aff-1">a</a>, </li><li class="contributor" id="contrib-8"><span class="name">L. Ikka</span><a id="xref-aff-1-7" class="xref-aff" href="#aff-1">a</a>, </li><li class="contributor" id="contrib-9"><span class="name">S. Gallas</span><a id="xref-aff-1-8" class="xref-aff" href="#aff-1">a</a>, </li><li class="contributor" id="contrib-10"><span class="name">A. Ozanne</span><a id="xref-aff-1-9" class="xref-aff" href="#aff-1">a</a>, </li><li class="contributor" id="contrib-11"><span class="name">V. Chalumeau</span><a id="xref-aff-1-10" class="xref-aff" href="#aff-1">a</a>, </li><li class="contributor" id="contrib-12"><span class="name">A. Rouchaud</span><a id="xref-aff-4-1" class="xref-aff" href="#aff-4">d</a><span class="xref-sep">,</span><a id="xref-aff-5-1" class="xref-aff" href="#aff-5">e</a>, </li><li class="contributor" id="contrib-13"><span class="name">J. Moret</span><a id="xref-aff-1-11" class="xref-aff" href="#aff-1">a</a> and </li><li class="last" id="contrib-14"><span class="name">L. Spelle</span><a id="xref-aff-1-12" class="xref-aff" href="#aff-1">a</a></li></ol><ol class="affiliation-list"><li class="aff"><a id="aff-1" name="aff-1"></a><address><sup>a</sup>Department of Interventional Neuroradiology (J. Cortese, J. Caroff, J.-B.G., C.M., G.A., A.E., L.I., S.G., A.O., V.C., J.M., L.S.), NEURI Brain Vascular Center, Bicêtre Hospital, APHP, Paris Saclay University, Le Kremlin-Bicêtre, France</address></li><li class="aff"><a id="aff-2" name="aff-2"></a><address><sup>b</sup>Department of Radiology (J.-B.G.), Angers University Hospital, Angers, France</address></li><li class="aff"><a id="aff-3" name="aff-3"></a><address><sup>c</sup>Department of Biomedicine (V.D.R.), Fondazione PTV Policlinico Tor Vergata, Roma, Italy</address></li><li class="aff"><a id="aff-4" name="aff-4"></a><address><sup>d</sup>Department of Interventional Neuroradiology (A.R.), Limoges University Hospital, Limoges, France</address></li><li class="aff"><a id="aff-5" name="aff-5"></a><address><sup>e</sup>University of Limoges (A.R.), XLIM UMR CNRS 7252, Limoges, France</address></li></ol><ol class="corresp-list"><li class="corresp" id="corresp-1">Please address correspondence to Jildaz Caroff, MD, PhD, <span class="addr-line">Department of Interventional Neuroradiology (NEURI), Hôpital Bicêtre-APHP, 78 Rue du Général Leclerc, 94270, Bicêtre, France</span>; e-mail: <span class="em-link"><span class="em-addr">jildaz.caroff{at}aphp.fr</span></span></li></ol></div></div><a href="http://ajnr-stage2.stage.highwire.org/content/42/8/1479.full" class="hw-link hw-link-article-full-text" data-icon-position="" data-hide-link-title="0">View Full Text</a></div>  </div>

  
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      <div class="highwire-cite-title">Impact of A1 Asymmetry on the Woven EndoBridge Device in Anterior Communicating Artery Aneurysms</div>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0"><span class="nlm-given-names">J.</span> <span class="nlm-surname">Cortese</span></span>, <span class="highwire-citation-author" data-delta="1"><span class="nlm-given-names">J.</span> <span class="nlm-surname">Caroff</span></span>, <span class="highwire-citation-author" data-delta="2"><span class="nlm-given-names">J.-B.</span> <span class="nlm-surname">Girot</span></span>, <span class="highwire-citation-author" data-delta="3"><span class="nlm-given-names">C.</span> <span class="nlm-surname">Mihalea</span></span>, <span class="highwire-citation-author" data-delta="4"><span class="nlm-given-names">V.</span> <span class="nlm-surname">Da Ros</span></span>, <span class="highwire-citation-author" data-delta="5"><span class="nlm-given-names">G.</span> <span class="nlm-surname">Aguiar</span></span>, <span class="highwire-citation-author" data-delta="6"><span class="nlm-given-names">A.</span> <span class="nlm-surname">Elawady</span></span>, <span class="highwire-citation-author" data-delta="7"><span class="nlm-given-names">L.</span> <span class="nlm-surname">Ikka</span></span>, <span class="highwire-citation-author" data-delta="8"><span class="nlm-given-names">S.</span> <span class="nlm-surname">Gallas</span></span>, <span class="highwire-citation-author" data-delta="9"><span class="nlm-given-names">A.</span> <span class="nlm-surname">Ozanne</span></span>, <span class="highwire-citation-author" data-delta="10"><span class="nlm-given-names">V.</span> <span class="nlm-surname">Chalumeau</span></span>, <span class="highwire-citation-author" data-delta="11"><span class="nlm-given-names">A.</span> <span class="nlm-surname">Rouchaud</span></span>, <span class="highwire-citation-author" data-delta="12"><span class="nlm-given-names">J.</span> <span class="nlm-surname">Moret</span></span>, <span class="highwire-citation-author" data-delta="13"><span class="nlm-given-names">L.</span> <span class="nlm-surname">Spelle</span></span></span></div>
  
    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">Aug 2021, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">42 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(8) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">1479-1485; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata"><span class="label">DOI:</span> 10.3174/ajnr.A7189 </span></div>
  
  
  
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    	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-journal highwire-cite-metadata">American Journal of Neuroradiology </span><span  class="highwire-cite-metadata-date highwire-cite-metadata">Aug 2021, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">42 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(8) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">1479-1485; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata"><span class="label">DOI:</span> 10.3174/ajnr.A7189 </span></div>
  
  
  
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