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<meta name="DC.Title" content="The Characteristics and Risk Factors of Headache Development after the Coil Embolization of an Unruptured Aneurysm" />
<meta name="DC.Identifier" content="10.3174/ajnr.A3018" />
<meta name="DC.Date" content="2012-10-01" />
<meta name="DC.Publisher" content="American Journal of Neuroradiology" />
<meta name="DC.Rights" content="© 2012 by American Journal of Neuroradiology. 
Indicates open access to non-subscribers at www.ajnr.org" />
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<meta name="DC.Description" content="BACKGROUND AND PURPOSE: Development of a headache after aneurysm coil embolization is not uncommon but has received little attention. The authors prospectively analyze the characteristics and risk factors of a headache after coiling in patients treated for an unruptured cerebral aneurysm.

MATERIALS AND METHODS: Ninety patients treated for an unruptured cerebral aneurysm over a period of 1 year, and without a headache history within a month before coiling, were enrolled in this study. All coilings were successfully performed without neurologic complications. After coiling, headache development and intensities were recorded.

RESULTS: Fifty (55.6%) patients experienced a headache (VAS score, 4.5 ± 2.02) at 7.9 (range, 0–72) hours, on average, after coiling, and all headaches resolved within an average of 73.0 (range, 3–312) hours. Univariate analysis showed that the following were significantly associated with the development of a headache: age ≤50 years (OR 4.636, 95% CI, 1.414–15.198), hypertension (OR 0.232, 95% CI, 0.095–0.571), a packing attenuation of &gt;25% (OR 3.619, 95% CI, 1.428–9.174), and a previous headache history (OR 2.769, 95% CI, 1.120–6.849). However, binary logistic regression showed that only a packing attenuation of &gt;25% ( P = .013, adjusted OR 3.774, 95% CI, 1.320–10.790) and no history of hypertension ( P = .019, adjusted OR 3.515, 95% CI, 1.233–10.021) were independently associated with the development of a headache.

CONCLUSIONS: A headache frequently developed after the coiling of unruptured aneurysms. However, headaches were relatively benign and resolved within several days. The present study shows that no hypertension history and a packing attenuation of &gt;25% are risk factors of headache development.

CI
:   confidence interval
NSAID
:   nonsteroidal anti-inflammatory drug
OR
:   odds ratio
VAS
:   Visual Analogue Scale" />
<meta name="DC.Contributor" content="G. Hwang" />
<meta name="DC.Contributor" content="E.-A. Jeong" />
<meta name="DC.Contributor" content="J.H. Sohn" />
<meta name="DC.Contributor" content="H. Park" />
<meta name="DC.Contributor" content="J.S. Bang" />
<meta name="DC.Contributor" content="S.-C. Jin" />
<meta name="DC.Contributor" content="B.C. Kim" />
<meta name="DC.Contributor" content="C.W. Oh" />
<meta name="DC.Contributor" content="O.-K. Kwon" />
<meta name="article:published_time" content="2012-10-01" />
<meta name="article:section" content="Interventional" />
<meta name="citation_title" content="The Characteristics and Risk Factors of Headache Development after the Coil Embolization of an Unruptured Aneurysm" />
<meta name="citation_abstract" lang="en" content="&lt;h3&gt;BACKGROUND AND PURPOSE:&lt;/h3&gt;
&lt;p&gt;Development of a headache after aneurysm coil embolization is not uncommon but has received little attention. The authors prospectively analyze the characteristics and risk factors of a headache after coiling in patients treated for an unruptured cerebral aneurysm.&lt;/p&gt;&lt;h3&gt;MATERIALS AND METHODS:&lt;/h3&gt;
&lt;p&gt;Ninety patients treated for an unruptured cerebral aneurysm over a period of 1 year, and without a headache history within a month before coiling, were enrolled in this study. All coilings were successfully performed without neurologic complications. After coiling, headache development and intensities were recorded.&lt;/p&gt;&lt;h3&gt;RESULTS:&lt;/h3&gt;
&lt;p&gt;Fifty (55.6%) patients experienced a headache (VAS score, 4.5 ± 2.02) at 7.9 (range, 0–72) hours, on average, after coiling, and all headaches resolved within an average of 73.0 (range, 3–312) hours. Univariate analysis showed that the following were significantly associated with the development of a headache: age ≤50 years (OR 4.636, 95% CI, 1.414–15.198), hypertension (OR 0.232, 95% CI, 0.095–0.571), a packing attenuation of &amp;gt;25% (OR 3.619, 95% CI, 1.428–9.174), and a previous headache history (OR 2.769, 95% CI, 1.120–6.849). However, binary logistic regression showed that only a packing attenuation of &amp;gt;25% (&lt;i&gt;P&lt;/i&gt; = .013, adjusted OR 3.774, 95% CI, 1.320–10.790) and no history of hypertension (&lt;i&gt;P&lt;/i&gt; = .019, adjusted OR 3.515, 95% CI, 1.233–10.021) were independently associated with the development of a headache.&lt;/p&gt;&lt;h3&gt;CONCLUSIONS:&lt;/h3&gt;
&lt;p&gt;A headache frequently developed after the coiling of unruptured aneurysms. However, headaches were relatively benign and resolved within several days. The present study shows that no hypertension history and a packing attenuation of &amp;gt;25% are risk factors of headache development.&lt;/p&gt;" />
<meta name="citation_journal_title" content="American Journal of Neuroradiology" />
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<meta name="citation_publication_date" content="2012/10/01" />
<meta name="citation_mjid" content="ajnr;33/9/1676" />
<meta name="citation_id" content="33/9/1676" />
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<meta name="citation_issn" content="0195-6108" />
<meta name="citation_issn" content="1936-959X" />
<meta name="citation_doi" content="10.3174/ajnr.A3018" />
<meta name="citation_pmid" content="22492572" />
<meta name="citation_volume" content="33" />
<meta name="citation_issue" content="9" />
<meta name="citation_article_type" content="Research Article" />
<meta name="citation_section" content="Interventional" />
<meta name="citation_firstpage" content="1676" />
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<meta name="citation_author" content="G. Hwang" />
<meta name="citation_author_institution" content="aFrom the Department of Neurosurgery (G.H., E.-A.J., J.S.B., C.W.O., O.-K.K.), Seoul National University Bundang Hospital, Seongnam, Korea" />
<meta name="citation_author" content="E.-A. Jeong" />
<meta name="citation_author_institution" content="aFrom the Department of Neurosurgery (G.H., E.-A.J., J.S.B., C.W.O., O.-K.K.), Seoul National University Bundang Hospital, Seongnam, Korea" />
<meta name="citation_author" content="J.H. Sohn" />
<meta name="citation_author_institution" content="bDepartment of Neurology (J.H.S.), Chuncheon Sacred Heart Hospital, Hallym University, Chuncheon, Korea" />
<meta name="citation_author" content="H. Park" />
<meta name="citation_author_institution" content="cDepartment of Neurosurgery (H.P.), Jeju National University Hospital, Jeju, Korea" />
<meta name="citation_author" content="J.S. Bang" />
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<meta name="twitter:title" content="The Characteristics and Risk Factors of Headache Development after the Coil Embolization of an Unruptured Aneurysm" />
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<meta name="twitter:description" content="BACKGROUND AND PURPOSE: Development of a headache after aneurysm coil embolization is not uncommon but has received little attention. The authors prospectively analyze the characteristics and risk factors of a headache after coiling in patients treated for an unruptured cerebral aneurysm.

MATERIALS AND METHODS: Ninety patients treated for an unruptured cerebral aneurysm over a period of 1 year, and without a headache history within a month before coiling, were enrolled in this study. All coilings were successfully performed without neurologic complications. After coiling, headache development and intensities were recorded.

RESULTS: Fifty (55.6%) patients experienced a headache (VAS score, 4.5 ± 2.02) at 7.9 (range, 0–72) hours, on average, after coiling, and all headaches resolved within an average of 73.0 (range, 3–312) hours. Univariate analysis showed that the following were significantly associated with the development of a headache: age ≤50 years (OR 4.636, 95% CI, 1.414–15.198), hypertension (OR 0.232, 95% CI, 0.095–0.571), a packing attenuation of &gt;25% (OR 3.619, 95% CI, 1.428–9.174), and a previous headache history (OR 2.769, 95% CI, 1.120–6.849). However, binary logistic regression showed that only a packing attenuation of &gt;25% ( P = .013, adjusted OR 3.774, 95% CI, 1.320–10.790) and no history of hypertension ( P = .019, adjusted OR 3.515, 95% CI, 1.233–10.021) were independently associated with the development of a headache.

CONCLUSIONS: A headache frequently developed after the coiling of unruptured aneurysms. However, headaches were relatively benign and resolved within several days. The present study shows that no hypertension history and a packing attenuation of &gt;25% are risk factors of headache development.

CI
:   confidence interval
NSAID
:   nonsteroidal anti-inflammatory drug
OR
:   odds ratio
VAS
:   Visual Analogue Scale" />
<meta name="og-title" property="og:title" content="The Characteristics and Risk Factors of Headache Development after the Coil Embolization of an Unruptured Aneurysm" />
<meta name="og-url" property="og:url" content="http://ajnr-stage2.stage.highwire.org/content/33/9/1676" />
<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: Development of a headache after aneurysm coil embolization is not uncommon but has received little attention. The authors prospectively analyze the characteristics and risk factors of a headache after coiling in patients treated for an unruptured cerebral aneurysm.

MATERIALS AND METHODS: Ninety patients treated for an unruptured cerebral aneurysm over a period of 1 year, and without a headache history within a month before coiling, were enrolled in this study. All coilings were successfully performed without neurologic complications. After coiling, headache development and intensities were recorded.

RESULTS: Fifty (55.6%) patients experienced a headache (VAS score, 4.5 ± 2.02) at 7.9 (range, 0–72) hours, on average, after coiling, and all headaches resolved within an average of 73.0 (range, 3–312) hours. Univariate analysis showed that the following were significantly associated with the development of a headache: age ≤50 years (OR 4.636, 95% CI, 1.414–15.198), hypertension (OR 0.232, 95% CI, 0.095–0.571), a packing attenuation of &gt;25% (OR 3.619, 95% CI, 1.428–9.174), and a previous headache history (OR 2.769, 95% CI, 1.120–6.849). However, binary logistic regression showed that only a packing attenuation of &gt;25% ( P = .013, adjusted OR 3.774, 95% CI, 1.320–10.790) and no history of hypertension ( P = .019, adjusted OR 3.515, 95% CI, 1.233–10.021) were independently associated with the development of a headache.

CONCLUSIONS: A headache frequently developed after the coiling of unruptured aneurysms. However, headaches were relatively benign and resolved within several days. The present study shows that no hypertension history and a packing attenuation of &gt;25% are risk factors of headache development.

CI
:   confidence interval
NSAID
:   nonsteroidal anti-inflammatory drug
OR
:   odds ratio
VAS
:   Visual Analogue Scale" />
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    <div class="highwire-article-citation highwire-citation-type-highwire-article node12078--5" data-node-nid="12078" id="top-node-12078--62015868925" data-pisa="ajnr;33/9/1676" data-pisa-master="ajnr;ajnr.A3018" data-apath="/ajnr/33/9/1676.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><span class="separator-pipe"></span><span  class="highwire-cite-metadata-art-series highwire-cite-metadata">E</span></div>
  
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      <h1 class="highwire-cite-title" id="page-title">The Characteristics and Risk Factors of Headache Development after the Coil Embolization of an Unruptured Aneurysm</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">G. Hwang</span>, <span class="highwire-citation-author" data-delta="1">E.-A. Jeong</span>, <span class="highwire-citation-author" data-delta="2">J.H. Sohn</span>, <span class="highwire-citation-author" data-delta="3">H. Park</span>, <span class="highwire-citation-author" data-delta="4">J.S. Bang</span>, <span class="highwire-citation-author" data-delta="5">S.-C. Jin</span>, <span class="highwire-citation-author" data-delta="6">B.C. Kim</span>, <span class="highwire-citation-author" data-delta="7">C.W. Oh</span> and <span class="highwire-citation-author" data-delta="8">O.-K. Kwon</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">October 2012,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">33 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(9) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">1676-1678; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata">DOI: https://doi.org/10.3174/ajnr.A3018 </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-12078--62015868925" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">G. Hwang </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Department of Neurosurgery (G.H., E.-A.J., J.S.B., C.W.O., O.-K.K.), Seoul National University Bundang Hospital, Seongnam, Korea</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.%2BHwang%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=Hwang%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 last"><a href="/search/author1%3AG.%2BHwang%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-1"><div class="author-tooltip-name">E.-A. Jeong </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Department of Neurosurgery (G.H., E.-A.J., J.S.B., C.W.O., O.-K.K.), Seoul National University Bundang Hospital, Seongnam, Korea</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=E.-A.%2BJeong%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=Jeong%20E&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%3AE.-A.%2BJeong%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-2"><div class="author-tooltip-name">J.H. Sohn </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>b</span>Department of Neurology (J.H.S.), Chuncheon Sacred Heart Hospital, Hallym University, Chuncheon, Korea</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.H.%2BSohn%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=Sohn%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 last"><a href="/search/author1%3AJ.H.%2BSohn%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-3"><div class="author-tooltip-name">H. Park </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>c</span>Department of Neurosurgery (H.P.), Jeju National University Hospital, Jeju, Korea</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=H.%2BPark%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=Park%20H&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%3AH.%2BPark%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">J.S. Bang </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Department of Neurosurgery (G.H., E.-A.J., J.S.B., C.W.O., O.-K.K.), Seoul National University Bundang Hospital, Seongnam, Korea</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.S.%2BBang%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=Bang%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 last"><a href="/search/author1%3AJ.S.%2BBang%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-5"><div class="author-tooltip-name">S.-C. Jin </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>d</span>Department of Neurosurgery (S.-C.J.), Haeundae Paik Hospital, Inje University, Busan, Korea</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.-C.%2BJin%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=Jin%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 last"><a href="/search/author1%3AS.-C.%2BJin%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-6"><div class="author-tooltip-name">B.C. Kim </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>e</span>Department of Neurosurgery (B.C.K.), Dongguk University Ilsan Hospital, Goyang, Korea.</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=B.C.%2BKim%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=Kim%20B&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%3AB.C.%2BKim%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-7"><div class="author-tooltip-name">C.W. Oh </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>a</span>From the Department of Neurosurgery (G.H., E.-A.J., J.S.B., C.W.O., O.-K.K.), Seoul National University Bundang Hospital, Seongnam, Korea</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.W.%2BOh%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=Oh%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 last"><a href="/search/author1%3AC.W.%2BOh%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-8"><div class="author-tooltip-name">O.-K. 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                  		The characteristics of the 2 study groups with respect to headache development after coil embolization of an unruptured
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        	<div class="highwire-cite-metadata"><span  class="highwire-cite-metadata-volume highwire-cite-metadata">Vol. 33</span>, <span  class="highwire-cite-metadata-issue highwire-cite-metadata">Issue 9 </span><div  class="highwire-cite-metadata-pubdate highwire-cite-metadata">1 Oct 2012 </div></div>
      
      
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      <div class="highwire-cite-title">The Characteristics and Risk Factors of Headache Development after the Coil Embolization of an Unruptured Aneurysm</div>  
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