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Diffusion weighted imaging best discriminates PD from MSA‐P: A comparison with tilt table testing and heart MIBG scintigraphy

Identifieur interne : 000857 ( Main/Corpus ); précédent : 000856; suivant : 000858

Diffusion weighted imaging best discriminates PD from MSA‐P: A comparison with tilt table testing and heart MIBG scintigraphy

Auteurs : Martin Köllensperger ; Klaus Seppi ; Claudia Liener ; Sylvia Boesch ; Dirk Heute ; Katherina J. Mair ; Joerg Mueller ; Martin Sawires ; Christoph Scherfler ; Michael F. Schocke ; Eveline Donnemilier ; Irene Virgolini ; Gregor K. Wenning ; Werner Poewe

Source :

RBID : ISTEX:A102EE0D4B9850C17E566F570FC6BA81BF454B28

English descriptors

Abstract

Both diffusion weighted magnetic resonance imaging (DWI) of the basal ganglia and meta‐iodobenzylguanidin (MIBG) scintigraphy of the heart have been reported useful in the differential diagnosis of patients with Parkinson's disease (PD) vs. the parkinson variant of multiple system atrophy (MSA‐P). Their diagnostic value, however, has never been directly compared in patients with parkinsonism and autonomic dysfunction. We have studied 9 patients with PD and 9 patients with MSA‐P matched for age and disease severity. Regional trace of the diffusion tensor values were determined in the putamina. Cardiac MIBG uptake was quantified by comparing regions of interest over heart and mediastinum Heart/Mediastinum (H/M) ratio. Furthermore, all patients underwent tilt testing. PD patients showed significantly lower H/M ratios than normal controls; however, there was considerable overlap between the two patient groups. We did not detect any significant differences of blood pressure response to passive tilt between the two patient groups. Sensitivity of MIBG scintigraphy versus DWI for the differentiation of MSA‐P from PD was 55.6% vs. 100%, specificity 88.8% vs. 100%, and area under the curve 0.802 vs. 1.000. Our data suggest that DWI is superior to both tilt table testing and MIBG scintigraphy in the differential diagnosis of PD versus MSA‐P. © 2007 Movement Disorder Society

Url:
DOI: 10.1002/mds.21614

Links to Exploration step

ISTEX:A102EE0D4B9850C17E566F570FC6BA81BF454B28

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<div type="abstract" xml:lang="en">Both diffusion weighted magnetic resonance imaging (DWI) of the basal ganglia and meta‐iodobenzylguanidin (MIBG) scintigraphy of the heart have been reported useful in the differential diagnosis of patients with Parkinson's disease (PD) vs. the parkinson variant of multiple system atrophy (MSA‐P). Their diagnostic value, however, has never been directly compared in patients with parkinsonism and autonomic dysfunction. We have studied 9 patients with PD and 9 patients with MSA‐P matched for age and disease severity. Regional trace of the diffusion tensor values were determined in the putamina. Cardiac MIBG uptake was quantified by comparing regions of interest over heart and mediastinum Heart/Mediastinum (H/M) ratio. Furthermore, all patients underwent tilt testing. PD patients showed significantly lower H/M ratios than normal controls; however, there was considerable overlap between the two patient groups. We did not detect any significant differences of blood pressure response to passive tilt between the two patient groups. Sensitivity of MIBG scintigraphy versus DWI for the differentiation of MSA‐P from PD was 55.6% vs. 100%, specificity 88.8% vs. 100%, and area under the curve 0.802 vs. 1.000. Our data suggest that DWI is superior to both tilt table testing and MIBG scintigraphy in the differential diagnosis of PD versus MSA‐P. © 2007 Movement Disorder Society</div>
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<abstract lang="en">Both diffusion weighted magnetic resonance imaging (DWI) of the basal ganglia and meta‐iodobenzylguanidin (MIBG) scintigraphy of the heart have been reported useful in the differential diagnosis of patients with Parkinson's disease (PD) vs. the parkinson variant of multiple system atrophy (MSA‐P). Their diagnostic value, however, has never been directly compared in patients with parkinsonism and autonomic dysfunction. We have studied 9 patients with PD and 9 patients with MSA‐P matched for age and disease severity. Regional trace of the diffusion tensor values were determined in the putamina. Cardiac MIBG uptake was quantified by comparing regions of interest over heart and mediastinum Heart/Mediastinum (H/M) ratio. Furthermore, all patients underwent tilt testing. PD patients showed significantly lower H/M ratios than normal controls; however, there was considerable overlap between the two patient groups. We did not detect any significant differences of blood pressure response to passive tilt between the two patient groups. Sensitivity of MIBG scintigraphy versus DWI for the differentiation of MSA‐P from PD was 55.6% vs. 100%, specificity 88.8% vs. 100%, and area under the curve 0.802 vs. 1.000. Our data suggest that DWI is superior to both tilt table testing and MIBG scintigraphy in the differential diagnosis of PD versus MSA‐P. © 2007 Movement Disorder Society</abstract>
<note type="funding">“Jubiläumsfonds der Österreichischen Nationalbank” - No. 10982; </note>
<subject lang="en">
<genre>Keywords</genre>
<topic>MIBG scintigraphy</topic>
<topic>diffusion weighted imaging</topic>
<topic>Parkinson's disease</topic>
<topic>multiple system atrophy</topic>
</subject>
<relatedItem type="host">
<titleInfo>
<title>Movement Disorders</title>
<subTitle>Official Journal of the Movement Disorder Society</subTitle>
</titleInfo>
<titleInfo type="abbreviated">
<title>Mov. Disord.</title>
</titleInfo>
<genre type="Journal">journal</genre>
<subject>
<genre>article category</genre>
<topic>Research Article</topic>
</subject>
<identifier type="ISSN">0885-3185</identifier>
<identifier type="eISSN">1531-8257</identifier>
<identifier type="DOI">10.1002/(ISSN)1531-8257</identifier>
<identifier type="PublisherID">MDS</identifier>
<part>
<date>2007</date>
<detail type="volume">
<caption>vol.</caption>
<number>22</number>
</detail>
<detail type="issue">
<caption>no.</caption>
<number>12</number>
</detail>
<extent unit="pages">
<start>1771</start>
<end>1776</end>
<total>6</total>
</extent>
</part>
</relatedItem>
<identifier type="istex">A102EE0D4B9850C17E566F570FC6BA81BF454B28</identifier>
<identifier type="DOI">10.1002/mds.21614</identifier>
<identifier type="ArticleID">MDS21614</identifier>
<accessCondition type="use and reproduction" contentType="copyright">Copyright © 2007 Movement Disorder Society</accessCondition>
<recordInfo>
<recordContentSource>WILEY</recordContentSource>
<recordOrigin>Wiley Subscription Services, Inc., A Wiley Company</recordOrigin>
</recordInfo>
</mods>
</metadata>
<serie></serie>
</istex>
</record>

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