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<meta name="DC.Title" content="Complications of Particle Embolization of Meningiomas: Frequency, Risk Factors, and Outcome" />
<meta name="DC.Identifier" content="10.3174/ajnr.A1754" />
<meta name="DC.Date" content="2010-01-01" />
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<meta name="DC.Description" content="BACKGROUND AND PURPOSE: Particle embolization is widely used in the treatment of meningiomas. We assessed the frequency and outcome of complications of embolization of meningiomas and tried to identify risk factors.

MATERIALS AND METHODS: Between 1994 and 2009, a total of 198 patients with 201 meningiomas underwent embolization. Indication for embolization was preoperative in 165 meningiomas and adjunctive to radiosurgery in 8. In the remaining 28 meningiomas, embolization was initially offered as a sole therapy. There were 128 women and 70 men with a mean age of 54.4 years (median age, 54 years; range, 15–90 years). Complications were defined as any neurologic deficit or death that occurred during or after embolization. Logistic regression was used to identify the following possible risk factors: age above median, female sex, tumor size above median, meningioma location in 5 categories, use of small particle size (45–150 μm), the presence of major peritumoral edema, and arterial supply in 3 categories.

RESULTS: Complications occurred in 11 patients (5.6%; 95% confidence interval [CI], 3.0%–9.8%). Ten complications were hemorrhagic, and 1 was ischemic. Six of 10 patients with hemorrhagic complications underwent emergency surgery with removal of the hematoma and meningioma. Complications of embolization resulted in death in 2 and dependency in 5 patients (7/198, 3.5%; 95% CI, 1.6%–2.0%). The use of small particles (45–150 μm) was the only risk factor for complications (odds ratio [OR], 10.21; CI, 1.3–80.7; P = .028).

CONCLUSIONS: In this series, particle embolization of meningiomas had a complication rate of 5.6%. We believe that the use of small polyvinyl alcohol (PVA) particles (45–150 μm) should be discouraged." />
<meta name="DC.Contributor" content="D.F.M. Carli" />
<meta name="DC.Contributor" content="M. Sluzewski" />
<meta name="DC.Contributor" content="G.N. Beute" />
<meta name="DC.Contributor" content="W.J. van Rooij" />
<meta name="article:published_time" content="2010-01-01" />
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<meta name="citation_abstract" lang="en" content="&lt;h3&gt;BACKGROUND AND PURPOSE:&lt;/h3&gt;
&lt;p&gt;Particle embolization is widely used in the treatment of meningiomas. We assessed the frequency and outcome of complications of embolization of meningiomas and tried to identify risk factors.&lt;/p&gt;&lt;h3&gt;MATERIALS AND METHODS:&lt;/h3&gt;
&lt;p&gt;Between 1994 and 2009, a total of 198 patients with 201 meningiomas underwent embolization. Indication for embolization was preoperative in 165 meningiomas and adjunctive to radiosurgery in 8. In the remaining 28 meningiomas, embolization was initially offered as a sole therapy. There were 128 women and 70 men with a mean age of 54.4 years (median age, 54 years; range, 15–90 years). Complications were defined as any neurologic deficit or death that occurred during or after embolization. Logistic regression was used to identify the following possible risk factors: age above median, female sex, tumor size above median, meningioma location in 5 categories, use of small particle size (45–150 μm), the presence of major peritumoral edema, and arterial supply in 3 categories.&lt;/p&gt;&lt;h3&gt;RESULTS:&lt;/h3&gt;
&lt;p&gt;Complications occurred in 11 patients (5.6%; 95% confidence interval [CI], 3.0%–9.8%). Ten complications were hemorrhagic, and 1 was ischemic. Six of 10 patients with hemorrhagic complications underwent emergency surgery with removal of the hematoma and meningioma. Complications of embolization resulted in death in 2 and dependency in 5 patients (7/198, 3.5%; 95% CI, 1.6%–2.0%). The use of small particles (45–150 μm) was the only risk factor for complications (odds ratio [OR], 10.21; CI, 1.3–80.7; &lt;i&gt;P&lt;/i&gt; = .028).&lt;/p&gt;&lt;h3&gt;CONCLUSIONS:&lt;/h3&gt;
&lt;p&gt;In this series, particle embolization of meningiomas had a complication rate of 5.6%. We believe that the use of small polyvinyl alcohol (PVA) particles (45–150 μm) should be discouraged.&lt;/p&gt;" />
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<meta name="twitter:title" content="Complications of Particle Embolization of Meningiomas: Frequency, Risk Factors, and Outcome" />
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<meta name="twitter:description" content="BACKGROUND AND PURPOSE: Particle embolization is widely used in the treatment of meningiomas. We assessed the frequency and outcome of complications of embolization of meningiomas and tried to identify risk factors.

MATERIALS AND METHODS: Between 1994 and 2009, a total of 198 patients with 201 meningiomas underwent embolization. Indication for embolization was preoperative in 165 meningiomas and adjunctive to radiosurgery in 8. In the remaining 28 meningiomas, embolization was initially offered as a sole therapy. There were 128 women and 70 men with a mean age of 54.4 years (median age, 54 years; range, 15–90 years). Complications were defined as any neurologic deficit or death that occurred during or after embolization. Logistic regression was used to identify the following possible risk factors: age above median, female sex, tumor size above median, meningioma location in 5 categories, use of small particle size (45–150 μm), the presence of major peritumoral edema, and arterial supply in 3 categories.

RESULTS: Complications occurred in 11 patients (5.6%; 95% confidence interval [CI], 3.0%–9.8%). Ten complications were hemorrhagic, and 1 was ischemic. Six of 10 patients with hemorrhagic complications underwent emergency surgery with removal of the hematoma and meningioma. Complications of embolization resulted in death in 2 and dependency in 5 patients (7/198, 3.5%; 95% CI, 1.6%–2.0%). The use of small particles (45–150 μm) was the only risk factor for complications (odds ratio [OR], 10.21; CI, 1.3–80.7; P = .028).

CONCLUSIONS: In this series, particle embolization of meningiomas had a complication rate of 5.6%. We believe that the use of small polyvinyl alcohol (PVA) particles (45–150 μm) should be discouraged." />
<meta name="og-title" property="og:title" content="Complications of Particle Embolization of Meningiomas: Frequency, Risk Factors, and Outcome" />
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<meta name="og-description" property="og:description" content="BACKGROUND AND PURPOSE: Particle embolization is widely used in the treatment of meningiomas. We assessed the frequency and outcome of complications of embolization of meningiomas and tried to identify risk factors.

MATERIALS AND METHODS: Between 1994 and 2009, a total of 198 patients with 201 meningiomas underwent embolization. Indication for embolization was preoperative in 165 meningiomas and adjunctive to radiosurgery in 8. In the remaining 28 meningiomas, embolization was initially offered as a sole therapy. There were 128 women and 70 men with a mean age of 54.4 years (median age, 54 years; range, 15–90 years). Complications were defined as any neurologic deficit or death that occurred during or after embolization. Logistic regression was used to identify the following possible risk factors: age above median, female sex, tumor size above median, meningioma location in 5 categories, use of small particle size (45–150 μm), the presence of major peritumoral edema, and arterial supply in 3 categories.

RESULTS: Complications occurred in 11 patients (5.6%; 95% confidence interval [CI], 3.0%–9.8%). Ten complications were hemorrhagic, and 1 was ischemic. Six of 10 patients with hemorrhagic complications underwent emergency surgery with removal of the hematoma and meningioma. Complications of embolization resulted in death in 2 and dependency in 5 patients (7/198, 3.5%; 95% CI, 1.6%–2.0%). The use of small particles (45–150 μm) was the only risk factor for complications (odds ratio [OR], 10.21; CI, 1.3–80.7; P = .028).

CONCLUSIONS: In this series, particle embolization of meningiomas had a complication rate of 5.6%. We believe that the use of small polyvinyl alcohol (PVA) particles (45–150 μm) should be discouraged." />
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      <h1 class="highwire-cite-title" id="page-title">Complications of Particle Embolization of Meningiomas: Frequency, Risk Factors, and Outcome</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">D.F.M. Carli</span>, <span class="highwire-citation-author" data-delta="1">M. Sluzewski</span>, <span class="highwire-citation-author" data-delta="2">G.N. Beute</span> and <span class="highwire-citation-author" data-delta="3">W.J. van Rooij</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">January 2010,  </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">31 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(1) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">152-154; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata">DOI: https://doi.org/10.3174/ajnr.A1754 </span></div>
  
  
  
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      <div class="highwire-cite-title">Complications of Particle Embolization of Meningiomas: Frequency, Risk Factors, and Outcome</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">D.F.M.</span> <span class="nlm-surname">Carli</span></span>, <span class="highwire-citation-author" data-delta="1"><span class="nlm-given-names">M.</span> <span class="nlm-surname">Sluzewski</span></span>, <span class="highwire-citation-author" data-delta="2"><span class="nlm-given-names">G.N.</span> <span class="nlm-surname">Beute</span></span>, <span class="highwire-citation-author" data-delta="3"><span class="nlm-given-names">W.J.</span> <span class="nlm-surname">van Rooij</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">Jan 2010, </span><span  class="highwire-cite-metadata-volume highwire-cite-metadata">31 </span><span  class="highwire-cite-metadata-issue highwire-cite-metadata">(1) </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">152-154; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata"><span class="label">DOI:</span> 10.3174/ajnr.A1754 </span></div>
  
  
  
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