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<meta name="DC.Title" content="Risk Factors for Early Hemorrhagic Complications after Endovascular Coiling of Ruptured Intracranial Aneurysms" />
<meta name="DC.Identifier" content="10.3174/ajnr.A4033" />
<meta name="DC.Date" content="2014-07-03" />
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<meta name="DC.Description" content="BACKGROUND AND PURPOSE: The risk factors of early hemorrhagic complications after endovascular coiling are not well-known. We identified the factors affecting early hemorrhagic complications, defined as any expansion or appearance of hemorrhage shown by head CT in the initial 48 hours after coiling.

MATERIALS AND METHODS: We retrospectively reviewed a series of 93 patients who underwent coiling for a ruptured saccular aneurysm between 2006 and 2012 at our hospital.

RESULTS: Five patients showed early hemorrhagic complications, and all involved an expansion of the existing intracerebral hematoma immediately after coiling. The associated risk factors were accompanying intracerebral hemorrhage at onset ( P &lt; .001), postoperative antiplatelet therapy ( P &lt; .001), and thromboembolic complications ( P = .044). In the accompanying intracerebral hemorrhage group, the associated risk factors were postoperative antiplatelet therapy ( P = .044) and earlier initiation of coiling (9.8 ± 6.5 versus 28.1 ± 24.0 hours, P = .023). Early hemorrhagic complications were significant risk factors for worse clinical outcome (modified Rankin Scale, 2.02 ± 2.21 versus 4.4 ± 2.30, P = .022). None of the 93 patients showed further hemorrhage after the initial 48 hours after coiling.

CONCLUSIONS: The accompanying intracerebral hemorrhage at onset, thromboembolic complications, postoperative antiplatelet therapy, and earlier initiation of coiling were the risk factors for early hemorrhagic complications.

### Abbreviation

ICH
:   intracerebral hematoma" />
<meta name="DC.Contributor" content="T. Ohta" />
<meta name="DC.Contributor" content="K. Murao" />
<meta name="DC.Contributor" content="K. Miyake" />
<meta name="DC.Contributor" content="K. Takemoto" />
<meta name="DC.Contributor" content="K. Nakazawa" />
<meta name="article:published_time" content="2014-07-03" />
<meta name="article:section" content="INTERVENTIONAL" />
<meta name="citation_title" content="Risk Factors for Early Hemorrhagic Complications after Endovascular Coiling of Ruptured Intracranial Aneurysms" />
<meta name="citation_abstract" lang="en" content="&lt;h3&gt;BACKGROUND AND PURPOSE:&lt;/h3&gt;
&lt;p&gt;The risk factors of early hemorrhagic complications after endovascular coiling are not well-known. We identified the factors affecting early hemorrhagic complications, defined as any expansion or appearance of hemorrhage shown by head CT in the initial 48 hours after coiling.&lt;/p&gt;&lt;h3&gt;MATERIALS AND METHODS:&lt;/h3&gt;
&lt;p&gt;We retrospectively reviewed a series of 93 patients who underwent coiling for a ruptured saccular aneurysm between 2006 and 2012 at our hospital.&lt;/p&gt;&lt;h3&gt;RESULTS:&lt;/h3&gt;
&lt;p&gt;Five patients showed early hemorrhagic complications, and all involved an expansion of the existing intracerebral hematoma immediately after coiling. The associated risk factors were accompanying intracerebral hemorrhage at onset (&lt;i&gt;P&lt;/i&gt; &amp;lt; .001), postoperative antiplatelet therapy (&lt;i&gt;P&lt;/i&gt; &amp;lt; .001), and thromboembolic complications (&lt;i&gt;P&lt;/i&gt; = .044). In the accompanying intracerebral hemorrhage group, the associated risk factors were postoperative antiplatelet therapy (&lt;i&gt;P&lt;/i&gt; = .044) and earlier initiation of coiling (9.8 ± 6.5 versus 28.1 ± 24.0 hours, &lt;i&gt;P&lt;/i&gt; = .023). Early hemorrhagic complications were significant risk factors for worse clinical outcome (modified Rankin Scale, 2.02 ± 2.21 versus 4.4 ± 2.30, &lt;i&gt;P&lt;/i&gt; = .022). None of the 93 patients showed further hemorrhage after the initial 48 hours after coiling.&lt;/p&gt;&lt;h3&gt;CONCLUSIONS:&lt;/h3&gt;
&lt;p&gt;The accompanying intracerebral hemorrhage at onset, thromboembolic complications, postoperative antiplatelet therapy, and earlier initiation of coiling were the risk factors for early hemorrhagic complications.&lt;/p&gt;" />
<meta name="citation_journal_title" content="American Journal of Neuroradiology" />
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<meta name="citation_section" content="INTERVENTIONAL" />
<meta name="citation_author" content="T. Ohta" />
<meta name="citation_author_institution" content="From the Department of Neuroendovascular Treatment, Shiroyama Hospital, Osaka, Japan." />
<meta name="citation_author" content="K. Murao" />
<meta name="citation_author_institution" content="From the Department of Neuroendovascular Treatment, Shiroyama Hospital, Osaka, Japan." />
<meta name="citation_author" content="K. Miyake" />
<meta name="citation_author_institution" content="From the Department of Neuroendovascular Treatment, Shiroyama Hospital, Osaka, Japan." />
<meta name="citation_author" content="K. Takemoto" />
<meta name="citation_author_institution" content="From the Department of Neuroendovascular Treatment, Shiroyama Hospital, Osaka, Japan." />
<meta name="citation_author" content="K. Nakazawa" />
<meta name="citation_author_institution" content="From the Department of Neuroendovascular Treatment, Shiroyama Hospital, Osaka, Japan." />
<meta name="twitter:title" content="Risk Factors for Early Hemorrhagic Complications after Endovascular Coiling of Ruptured Intracranial Aneurysms" />
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<meta name="twitter:description" content="BACKGROUND AND PURPOSE: The risk factors of early hemorrhagic complications after endovascular coiling are not well-known. We identified the factors affecting early hemorrhagic complications, defined as any expansion or appearance of hemorrhage shown by head CT in the initial 48 hours after coiling.

MATERIALS AND METHODS: We retrospectively reviewed a series of 93 patients who underwent coiling for a ruptured saccular aneurysm between 2006 and 2012 at our hospital.

RESULTS: Five patients showed early hemorrhagic complications, and all involved an expansion of the existing intracerebral hematoma immediately after coiling. The associated risk factors were accompanying intracerebral hemorrhage at onset ( P &lt; .001), postoperative antiplatelet therapy ( P &lt; .001), and thromboembolic complications ( P = .044). In the accompanying intracerebral hemorrhage group, the associated risk factors were postoperative antiplatelet therapy ( P = .044) and earlier initiation of coiling (9.8 ± 6.5 versus 28.1 ± 24.0 hours, P = .023). Early hemorrhagic complications were significant risk factors for worse clinical outcome (modified Rankin Scale, 2.02 ± 2.21 versus 4.4 ± 2.30, P = .022). None of the 93 patients showed further hemorrhage after the initial 48 hours after coiling.

CONCLUSIONS: The accompanying intracerebral hemorrhage at onset, thromboembolic complications, postoperative antiplatelet therapy, and earlier initiation of coiling were the risk factors for early hemorrhagic complications.

### Abbreviation

ICH
:   intracerebral hematoma" />
<meta name="og-title" property="og:title" content="Risk Factors for Early Hemorrhagic Complications after Endovascular Coiling of Ruptured Intracranial Aneurysms" />
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<meta name="og-description" property="og:description" content="BACKGROUND AND PURPOSE: The risk factors of early hemorrhagic complications after endovascular coiling are not well-known. We identified the factors affecting early hemorrhagic complications, defined as any expansion or appearance of hemorrhage shown by head CT in the initial 48 hours after coiling.

MATERIALS AND METHODS: We retrospectively reviewed a series of 93 patients who underwent coiling for a ruptured saccular aneurysm between 2006 and 2012 at our hospital.

RESULTS: Five patients showed early hemorrhagic complications, and all involved an expansion of the existing intracerebral hematoma immediately after coiling. The associated risk factors were accompanying intracerebral hemorrhage at onset ( P &lt; .001), postoperative antiplatelet therapy ( P &lt; .001), and thromboembolic complications ( P = .044). In the accompanying intracerebral hemorrhage group, the associated risk factors were postoperative antiplatelet therapy ( P = .044) and earlier initiation of coiling (9.8 ± 6.5 versus 28.1 ± 24.0 hours, P = .023). Early hemorrhagic complications were significant risk factors for worse clinical outcome (modified Rankin Scale, 2.02 ± 2.21 versus 4.4 ± 2.30, P = .022). None of the 93 patients showed further hemorrhage after the initial 48 hours after coiling.

CONCLUSIONS: The accompanying intracerebral hemorrhage at onset, thromboembolic complications, postoperative antiplatelet therapy, and earlier initiation of coiling were the risk factors for early hemorrhagic complications.

### Abbreviation

ICH
:   intracerebral hematoma" />
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      <h1 class="highwire-cite-title" id="page-title">Risk Factors for Early Hemorrhagic Complications after Endovascular Coiling of Ruptured Intracranial Aneurysms</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">T. Ohta</span>, <span class="highwire-citation-author" data-delta="1">K. Murao</span>, <span class="highwire-citation-author" data-delta="2">K. Miyake</span>, <span class="highwire-citation-author" data-delta="3">K. Takemoto</span> and <span class="highwire-citation-author" data-delta="4">K. Nakazawa</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">July 2014,  </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata">DOI: https://doi.org/10.3174/ajnr.A4033 </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-50725--6929581855" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">T. 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Takemoto </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'>From the Department of Neuroendovascular Treatment, Shiroyama Hospital, Osaka, Japan.</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=K.%2BTakemoto%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=Takemoto%20K&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 last"><a href="/search/author1%3AK.%2BTakemoto%2B" rel="nofollow" class="" data-icon-position="" data-hide-link-title="0">Search for this author on this site</a></li></ul></div><div class="author-tooltip-4"><div class="author-tooltip-name">K. 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<p id="p-1"><strong>BACKGROUND AND PURPOSE:</strong> The risk factors of early hemorrhagic complications after endovascular coiling are not well-known. We identified the factors affecting early hemorrhagic complications, defined as any expansion or appearance of hemorrhage shown by head CT in the initial 48 hours after coiling.</p></div>
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<p id="p-2"><strong>MATERIALS AND METHODS:</strong> We retrospectively reviewed a series of 93 patients who underwent coiling for a ruptured saccular aneurysm between 2006 and 2012 at our hospital.</p></div>
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<p id="p-3"><strong>RESULTS:</strong> Five patients showed early hemorrhagic complications, and all involved an expansion of the existing intracerebral hematoma immediately after coiling. The associated risk factors were accompanying intracerebral hemorrhage at onset (<em>P</em> &lt; .001), postoperative antiplatelet therapy (<em>P</em> &lt; .001), and thromboembolic complications (<em>P</em> = .044). In the accompanying intracerebral hemorrhage group, the associated risk factors were postoperative antiplatelet therapy (<em>P</em> = .044) and earlier initiation of coiling (9.8 ± 6.5 versus 28.1 ± 24.0 hours, <em>P</em> = .023). Early hemorrhagic complications were significant risk factors for worse clinical outcome (modified Rankin Scale, 2.02 ± 2.21 versus 4.4 ± 2.30, <em>P</em> = .022). None of the 93 patients showed further hemorrhage after the initial 48 hours after coiling.</p></div>
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<p id="p-4"><strong>CONCLUSIONS:</strong> The accompanying intracerebral hemorrhage at onset, thromboembolic complications, postoperative antiplatelet therapy, and earlier initiation of coiling were the risk factors for early hemorrhagic complications.</p>
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<h3>Abbreviation</h3>
<dl id="def-list-1"><dt id="def-item-1">ICH<span class="def-item-dt-sep"></span></dt><dd>intracerebral hematoma</dd></dl>
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