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<meta name="DC.Title" content="Evidence of small vessel disease in patients with transient global amnesia based on the peak width of skeletonized mean diffusivity" />
<meta name="DC.Identifier" content="10.3174/ajnr.A8530" />
<meta name="DC.Date" content="2024-10-09" />
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<meta name="DC.Description" content="BACKGROUND AND PURPOSE: The peak width of skeletonized mean diffusivity (PSMD) is a novel marker of small vessel disease. In this study, we aimed to investigate the presence of small vessel disease in patients with transient global amnesia (TGA) using the PSMD.

MATERIALS AND METHODS: We enrolled 75 patients newly diagnosed with TGA and included 65 age-and sex-matched healthy controls. Diffusion tensor imaging (DTI) was performed using a 3T magnetic resonance imaging scanner. We measured the PSMD based on DTI using the FSL program. This measure was compared between patients with TGA and healthy controls. Additionally, we conducted a correlation analysis to explore the relationship between PSMD and clinical factors.

RESULTS: A significant difference in the PSMD between patients with TGA and healthy controls was observed. Patients with TGA exhibited higher a PSMD compared to healthy controls (2.297±0.232 vs. 2.188±0.216 ×10−4 mm2/s, p =0.005). Additionally, patients with TGA but without any vascular risk factors, such as diabetes, hypertension or dyslipidemia, also exhibited higher a PSMD compared to healthy controls (2.278±0.253 vs. 2.188±0.216 ×10−4 mm2/s, p =0.036). The PSMD positively correlated with age (r=0.248, p =0.032); however, it was not associated with duration of amnesia.

CONCLUSIONS: This finding underscores the feasibility of using PSMD as a marker for detecting small vessel diseases in patients with neurological disorders. Furthermore, our study also implies the presence of small vessel disease may be present in patients with TGA.

ABBREVIATIONS: TGA=transient global amnesia; TIA= transient ischemic attack; PSMD= peak width of skeletonized mean diffusivity; DTI= diffusion tensor imaging." />
<meta name="DC.Contributor" content="Dong Ah Lee" />
<meta name="DC.Contributor" content="Ho-Joon Lee" />
<meta name="DC.Contributor" content="Kang Min Park" />
<meta name="article:published_time" content="2024-10-09" />
<meta name="article:section" content="ORIGINAL RESEARCH" />
<meta name="citation_title" content="Evidence of small vessel disease in patients with transient global amnesia based on the peak width of skeletonized mean diffusivity" />
<meta name="citation_abstract" lang="en" content="&lt;h3&gt;ABSTRACT&lt;/h3&gt;
&lt;h3&gt;BACKGROUND AND PURPOSE:&lt;/h3&gt;
&lt;p&gt;The peak width of skeletonized mean diffusivity (PSMD) is a novel marker of small vessel disease. In this study, we aimed to investigate the presence of small vessel disease in patients with transient global amnesia (TGA) using the PSMD.&lt;/p&gt;&lt;h3&gt;MATERIALS AND METHODS:&lt;/h3&gt;
&lt;p&gt;We enrolled 75 patients newly diagnosed with TGA and included 65 age-and sex-matched healthy controls. Diffusion tensor imaging (DTI) was performed using a 3T magnetic resonance imaging scanner. We measured the PSMD based on DTI using the FSL program. This measure was compared between patients with TGA and healthy controls. Additionally, we conducted a correlation analysis to explore the relationship between PSMD and clinical factors.&lt;/p&gt;&lt;h3&gt;RESULTS:&lt;/h3&gt;
&lt;p&gt;A significant difference in the PSMD between patients with TGA and healthy controls was observed. Patients with TGA exhibited higher a PSMD compared to healthy controls (2.297±0.232 vs. 2.188±0.216 ×10&lt;sup&gt;−4&lt;/sup&gt; mm&lt;sup&gt;2&lt;/sup&gt;/s, &lt;i&gt;p&lt;/i&gt;=0.005). Additionally, patients with TGA but without any vascular risk factors, such as diabetes, hypertension or dyslipidemia, also exhibited higher a PSMD compared to healthy controls (2.278±0.253 vs. 2.188±0.216 ×10&lt;sup&gt;−4&lt;/sup&gt; mm&lt;sup&gt;2&lt;/sup&gt;/s, &lt;i&gt;p&lt;/i&gt;=0.036). The PSMD positively correlated with age (r=0.248, &lt;i&gt;p&lt;/i&gt;=0.032); however, it was not associated with duration of amnesia.&lt;/p&gt;&lt;h3&gt;CONCLUSIONS:&lt;/h3&gt;
&lt;p&gt;This finding underscores the feasibility of using PSMD as a marker for detecting small vessel diseases in patients with neurological disorders. Furthermore, our study also implies the presence of small vessel disease may be present in patients with TGA.&lt;/p&gt;&lt;p&gt;ABBREVIATIONS: TGA=transient global amnesia; TIA= transient ischemic attack; PSMD= peak width of skeletonized mean diffusivity; DTI= diffusion tensor imaging.&lt;/p&gt;" />
<meta name="citation_journal_title" content="American Journal of Neuroradiology" />
<meta name="citation_publisher" content="American Journal of Neuroradiology" />
<meta name="citation_publication_date" content="2024/10/09" />
<meta name="citation_mjid" content="ajnr;ajnr.A8530v1" />
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<meta name="citation_article_type" content="Research Article" />
<meta name="citation_section" content="ORIGINAL RESEARCH" />
<meta name="citation_author" content="Dong Ah Lee" />
<meta name="citation_author_institution" content="Department of Neurology (DAL,KMP)" />
<meta name="citation_author" content="Ho-Joon Lee" />
<meta name="citation_author_institution" content="Department of Radiology(HJL) Haeundae Paik Hospital, Inje University College of Medicine, Busan, Republic of Korea" />
<meta name="citation_author" content="Kang Min Park" />
<meta name="citation_author_institution" content="Department of Neurology (DAL,KMP)" />
<meta name="twitter:title" content="Evidence of small vessel disease in patients with transient global amnesia based on the peak width of skeletonized mean diffusivity" />
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<meta name="twitter:description" content="BACKGROUND AND PURPOSE: The peak width of skeletonized mean diffusivity (PSMD) is a novel marker of small vessel disease. In this study, we aimed to investigate the presence of small vessel disease in patients with transient global amnesia (TGA) using the PSMD.

MATERIALS AND METHODS: We enrolled 75 patients newly diagnosed with TGA and included 65 age-and sex-matched healthy controls. Diffusion tensor imaging (DTI) was performed using a 3T magnetic resonance imaging scanner. We measured the PSMD based on DTI using the FSL program. This measure was compared between patients with TGA and healthy controls. Additionally, we conducted a correlation analysis to explore the relationship between PSMD and clinical factors.

RESULTS: A significant difference in the PSMD between patients with TGA and healthy controls was observed. Patients with TGA exhibited higher a PSMD compared to healthy controls (2.297±0.232 vs. 2.188±0.216 ×10−4 mm2/s, p =0.005). Additionally, patients with TGA but without any vascular risk factors, such as diabetes, hypertension or dyslipidemia, also exhibited higher a PSMD compared to healthy controls (2.278±0.253 vs. 2.188±0.216 ×10−4 mm2/s, p =0.036). The PSMD positively correlated with age (r=0.248, p =0.032); however, it was not associated with duration of amnesia.

CONCLUSIONS: This finding underscores the feasibility of using PSMD as a marker for detecting small vessel diseases in patients with neurological disorders. Furthermore, our study also implies the presence of small vessel disease may be present in patients with TGA.

ABBREVIATIONS: TGA=transient global amnesia; TIA= transient ischemic attack; PSMD= peak width of skeletonized mean diffusivity; DTI= diffusion tensor imaging." />
<meta name="og-title" property="og:title" content="Evidence of small vessel disease in patients with transient global amnesia based on the peak width of skeletonized mean diffusivity" />
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<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: The peak width of skeletonized mean diffusivity (PSMD) is a novel marker of small vessel disease. In this study, we aimed to investigate the presence of small vessel disease in patients with transient global amnesia (TGA) using the PSMD.

MATERIALS AND METHODS: We enrolled 75 patients newly diagnosed with TGA and included 65 age-and sex-matched healthy controls. Diffusion tensor imaging (DTI) was performed using a 3T magnetic resonance imaging scanner. We measured the PSMD based on DTI using the FSL program. This measure was compared between patients with TGA and healthy controls. Additionally, we conducted a correlation analysis to explore the relationship between PSMD and clinical factors.

RESULTS: A significant difference in the PSMD between patients with TGA and healthy controls was observed. Patients with TGA exhibited higher a PSMD compared to healthy controls (2.297±0.232 vs. 2.188±0.216 ×10−4 mm2/s, p =0.005). Additionally, patients with TGA but without any vascular risk factors, such as diabetes, hypertension or dyslipidemia, also exhibited higher a PSMD compared to healthy controls (2.278±0.253 vs. 2.188±0.216 ×10−4 mm2/s, p =0.036). The PSMD positively correlated with age (r=0.248, p =0.032); however, it was not associated with duration of amnesia.

CONCLUSIONS: This finding underscores the feasibility of using PSMD as a marker for detecting small vessel diseases in patients with neurological disorders. Furthermore, our study also implies the presence of small vessel disease may be present in patients with TGA.

ABBREVIATIONS: TGA=transient global amnesia; TIA= transient ischemic attack; PSMD= peak width of skeletonized mean diffusivity; DTI= diffusion tensor imaging." />
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      <h1 class="highwire-cite-title" id="page-title">Evidence of small vessel disease in patients with transient global amnesia based on the peak width of skeletonized mean diffusivity</h1>  
    	<div class="highwire-cite-authors"><span  class="highwire-citation-authors"><span class="highwire-citation-author first" data-delta="0">Dong Ah Lee</span>, <span class="highwire-citation-author" data-delta="1">Ho-Joon Lee</span> and <span class="highwire-citation-author" data-delta="2">Kang Min Park</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 2024,  </span><span  class="highwire-cite-metadata-pages highwire-cite-metadata">ajnr.A8530; </span><span  class="highwire-cite-metadata-doi highwire-cite-metadata">DOI: https://doi.org/10.3174/ajnr.A8530 </span></div>
  
  
  
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<div id="hw-article-author-popups-top-node-111138--61702051923" style="display: none;"><div class="author-tooltip-0"><div class="author-tooltip-name">Dong Ah Lee </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>1</span>Department of Neurology (DAL,KMP)</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=Dong%2BAh%2BLee%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=Lee%20DA&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%3ADong%2BAh%2BLee%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">Ho-Joon Lee </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>2</span>Department of Radiology(HJL) Haeundae Paik Hospital, Inje University College of Medicine, Busan, Republic of 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=Ho-Joon%2BLee%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=Lee%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%3AHo-Joon%2BLee%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">Kang Min Park </div><div class="author-tooltip-affiliation"><span class="author-tooltip-text"><div class='author-affiliation'><span class='nlm-sup'>1</span>Department of Neurology (DAL,KMP)</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=Kang%2BMin%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%20KM&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%3AKang%2BMin%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></div>  </div>

  
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    <div class="highwire-markup"><div xmlns="http://www.w3.org/1999/xhtml" data-highwire-cite-ref-tooltip-instance="highwire_reflinks_tooltip" class="content-block-markup" xmlns:xhtml="http://www.w3.org/1999/xhtml"><div class="article abstract-view "><span class="highwire-journal-article-marker-start"></span><div class="section abstract" id="abstract-1"><h2 class="">ABSTRACT</h2><div id="sec-1" class="subsection"><p id="p-3"><strong>BACKGROUND AND PURPOSE:</strong> The peak width of skeletonized mean diffusivity (PSMD) is a novel marker of small vessel disease. In this study, we aimed to investigate the presence of small vessel disease in patients with transient global amnesia (TGA) using the PSMD.</p></div><div id="sec-2" class="subsection"><p id="p-4"><strong>MATERIALS AND METHODS:</strong> We enrolled 75 patients newly diagnosed with TGA and included 65 age-and sex-matched healthy controls. Diffusion tensor imaging (DTI) was performed using a 3T magnetic resonance imaging scanner. We measured the PSMD based on DTI using the FSL program. This measure was compared between patients with TGA and healthy controls. Additionally, we conducted a correlation analysis to explore the relationship between PSMD and clinical factors.</p></div><div id="sec-3" class="subsection"><p id="p-5"><strong>RESULTS:</strong> A significant difference in the PSMD between patients with TGA and healthy controls was observed. Patients with TGA exhibited higher a PSMD compared to healthy controls (2.297±0.232 vs. 2.188±0.216 ×10<sup>−4</sup> mm<sup>2</sup>/s, <em>p</em>=0.005). Additionally, patients with TGA but without any vascular risk factors, such as diabetes, hypertension or dyslipidemia, also exhibited higher a PSMD compared to healthy controls (2.278±0.253 vs. 2.188±0.216 ×10<sup>−4</sup> mm<sup>2</sup>/s, <em>p</em>=0.036). The PSMD positively correlated with age (r=0.248, <em>p</em>=0.032); however, it was not associated with duration of amnesia.</p></div><div id="sec-4" class="subsection"><p id="p-6"><strong>CONCLUSIONS:</strong> This finding underscores the feasibility of using PSMD as a marker for detecting small vessel diseases in patients with neurological disorders. Furthermore, our study also implies the presence of small vessel disease may be present in patients with TGA.</p><p id="p-7">ABBREVIATIONS: TGA=transient global amnesia; TIA= transient ischemic attack; PSMD= peak width of skeletonized mean diffusivity; DTI= diffusion tensor imaging.</p></div></div><div class="section fn-group" id="fn-group-1"><h2>Footnotes</h2><ul><li class="fn-equal" id="fn-1"><p id="p-1"><a class="rev-xref" href="#xref-fn-1-1">↵</a><span class="fn-label">*</span> These authors were equally contributed to this work.</p></li><li class="fn-conflict" id="fn-2"><p id="p-2">No conflicts of interest.</p></li></ul></div><ul class="copyright-statement"><li class="fn" id="copyright-statement-1">© 2024 by American Journal of Neuroradiology</li></ul><span class="highwire-journal-article-marker-end"></span></div><span class="related-urls"></span></div></div>  </div>

  
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