Single photon emission computed tomography for gastric volume assessment: a method with observer-defined regions of interest.
Identifieur interne : 002552 ( Main/Exploration ); précédent : 002551; suivant : 002553Single photon emission computed tomography for gastric volume assessment: a method with observer-defined regions of interest.
Auteurs : RBID : pubmed:17198355English descriptors
- KwdEn :
- MESH :
- chemical , pharmacokinetics : Indium Radioisotopes, Pentetic Acid.
- methods : Radionuclide Imaging, Tomography, Emission-Computed, Single-Photon.
- Adult, Algorithms, Automation, Calibration, Eating, Gastric Emptying, Humans, Male, Phantoms, Imaging, Time Factors.
Abstract
Single photon emission computed tomography (SPECT) imaging allows non-invasive measurement of gastric volume. In previous studies, the processing of the SPECT data involved global threshold algorithms that do not take into account the non-uniform distribution of radioactivity in the gastric wall. The aim of this study was to develop a simple alternative method based on observer-defined regions of interest.
DOI: 10.1097/MNM.0b013e328013e5ce
PubMed: 17198355
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<record><TEI><teiHeader><fileDesc><titleStmt><title xml:lang="en">Single photon emission computed tomography for gastric volume assessment: a method with observer-defined regions of interest.</title><author><name sortKey="Madsen, Jan L" uniqKey="Madsen J">Jan L Madsen</name><affiliation wicri:level="1"><nlm:affiliation>Department of Clinical Physiology and Nuclear Medicine, Hvidovre Hospital, Hvidovre, Denmark. jan.lysgaard.madsen@hh.hosp.dk</nlm:affiliation><country xml:lang="fr">Danemark</country><wicri:regionArea>Department of Clinical Physiology and Nuclear Medicine, Hvidovre Hospital, Hvidovre</wicri:regionArea></affiliation></author><author><name sortKey="Fuglsang, Stefan" uniqKey="Fuglsang S">Stefan Fuglsang</name></author><author><name sortKey="Graff, Jesper" uniqKey="Graff J">Jesper Graff</name></author></titleStmt><publicationStmt><date when="2007">2007</date><idno type="doi">10.1097/MNM.0b013e328013e5ce</idno><idno type="RBID">pubmed:17198355</idno><idno type="pmid">17198355</idno><idno type="wicri:Area/Main/Corpus">002929</idno><idno type="wicri:Area/Main/Curation">002929</idno><idno type="wicri:Area/Main/Exploration">002552</idno></publicationStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adult</term><term>Algorithms</term><term>Automation</term><term>Calibration</term><term>Eating</term><term>Gastric Emptying</term><term>Humans</term><term>Indium Radioisotopes (pharmacokinetics)</term><term>Male</term><term>Pentetic Acid (pharmacokinetics)</term><term>Phantoms, Imaging</term><term>Radionuclide Imaging (methods)</term><term>Time Factors</term><term>Tomography, Emission-Computed, Single-Photon (methods)</term></keywords><keywords scheme="MESH" type="chemical" qualifier="pharmacokinetics" xml:lang="en"><term>Indium Radioisotopes</term><term>Pentetic Acid</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Radionuclide Imaging</term><term>Tomography, Emission-Computed, Single-Photon</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adult</term><term>Algorithms</term><term>Automation</term><term>Calibration</term><term>Eating</term><term>Gastric Emptying</term><term>Humans</term><term>Male</term><term>Phantoms, Imaging</term><term>Time Factors</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Single photon emission computed tomography (SPECT) imaging allows non-invasive measurement of gastric volume. In previous studies, the processing of the SPECT data involved global threshold algorithms that do not take into account the non-uniform distribution of radioactivity in the gastric wall. The aim of this study was to develop a simple alternative method based on observer-defined regions of interest.</div></front></TEI><pubmed><MedlineCitation Owner="NLM" Status="MEDLINE"><PMID Version="1">17198355</PMID><DateCreated><Year>2007</Year><Month>01</Month><Day>01</Day></DateCreated><DateCompleted><Year>2007</Year><Month>03</Month><Day>29</Day></DateCompleted><DateRevised><Year>2013</Year><Month>11</Month><Day>21</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">0143-3636</ISSN><JournalIssue CitedMedium="Print"><Volume>28</Volume><Issue>2</Issue><PubDate><Year>2007</Year><Month>Feb</Month></PubDate></JournalIssue><Title>Nuclear medicine communications</Title><ISOAbbreviation>Nucl Med Commun</ISOAbbreviation></Journal><ArticleTitle>Single photon emission computed tomography for gastric volume assessment: a method with observer-defined regions of interest.</ArticleTitle><Pagination><MedlinePgn>135-40</MedlinePgn></Pagination><Abstract><AbstractText Label="AIM" NlmCategory="OBJECTIVE">Single photon emission computed tomography (SPECT) imaging allows non-invasive measurement of gastric volume. In previous studies, the processing of the SPECT data involved global threshold algorithms that do not take into account the non-uniform distribution of radioactivity in the gastric wall. The aim of this study was to develop a simple alternative method based on observer-defined regions of interest.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">A phantom study was performed to standardize volume calculations from SPECT derived cross-sectional areas. In 12 healthy volunteers, the principle was then used to determine gastric volume before and after a 600 ml liquid meal. Furthermore, gastric emptying of the meal was followed with planar scintigraphy.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">The median volume of the stomach was 86 ml (range 62-130 ml) at baseline, 642 ml (536-748 ml) immediately after the meal, and 370 ml (221-481 ml) 1 h after the meal. The coefficient of variation for the calculations was 9%, 2% and 4%, respectively. The median increase in gastric volume was 562 ml (501-628 ml) immediately after the meal and 294 ml (159-370 ml) after 1 h. Gastric retention of the meal was 68% (50-73%) after 0.5 h and 51% (39-57%) after 1 h.</AbstractText><AbstractText Label="CONCLUSIONS" NlmCategory="CONCLUSIONS">The present manual technique may be a reliable alternative to the automated SPECT methods for assessing gastric volume. The liquid meal that was used in our study did not seem to cause an increase in gastric volume that differed from the volume of the meal.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Madsen</LastName><ForeName>Jan L</ForeName><Initials>JL</Initials><Affiliation>Department of Clinical Physiology and Nuclear Medicine, Hvidovre Hospital, Hvidovre, Denmark. jan.lysgaard.madsen@hh.hosp.dk</Affiliation></Author><Author ValidYN="Y"><LastName>Fuglsang</LastName><ForeName>Stefan</ForeName><Initials>S</Initials></Author><Author ValidYN="Y"><LastName>Graff</LastName><ForeName>Jesper</ForeName><Initials>J</Initials></Author></AuthorList><Language>eng</Language><PublicationTypeList><PublicationType>Journal Article</PublicationType><PublicationType>Research Support, Non-U.S. Gov't</PublicationType></PublicationTypeList></Article><MedlineJournalInfo><Country>England</Country><MedlineTA>Nucl Med Commun</MedlineTA><NlmUniqueID>8201017</NlmUniqueID><ISSNLinking>0143-3636</ISSNLinking></MedlineJournalInfo><ChemicalList><Chemical><RegistryNumber>0</RegistryNumber><NameOfSubstance>Indium Radioisotopes</NameOfSubstance></Chemical><Chemical><RegistryNumber>7A314HQM0I</RegistryNumber><NameOfSubstance>Pentetic Acid</NameOfSubstance></Chemical></ChemicalList><CitationSubset>IM</CitationSubset><MeshHeadingList><MeshHeading><DescriptorName MajorTopicYN="N">Adult</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Algorithms</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Automation</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Calibration</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Eating</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Gastric Emptying</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Humans</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Indium Radioisotopes</DescriptorName><QualifierName MajorTopicYN="N">pharmacokinetics</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Male</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Pentetic Acid</DescriptorName><QualifierName MajorTopicYN="N">pharmacokinetics</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Phantoms, Imaging</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Radionuclide Imaging</DescriptorName><QualifierName MajorTopicYN="N">methods</QualifierName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Time Factors</DescriptorName></MeshHeading><MeshHeading><DescriptorName MajorTopicYN="N">Tomography, Emission-Computed, Single-Photon</DescriptorName><QualifierName MajorTopicYN="Y">methods</QualifierName></MeshHeading></MeshHeadingList></MedlineCitation><PubmedData><History><PubMedPubDate PubStatus="pubmed"><Year>2007</Year><Month>1</Month><Day>2</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="medline"><Year>2007</Year><Month>3</Month><Day>30</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate><PubMedPubDate PubStatus="entrez"><Year>2007</Year><Month>1</Month><Day>2</Day><Hour>9</Hour><Minute>0</Minute></PubMedPubDate></History><PublicationStatus>ppublish</PublicationStatus><ArticleIdList><ArticleId IdType="doi">10.1097/MNM.0b013e328013e5ce</ArticleId><ArticleId IdType="pii">00006231-200702000-00012</ArticleId><ArticleId IdType="pubmed">17198355</ArticleId></ArticleIdList></PubmedData></pubmed></record>Pour manipuler ce document sous Unix (Dilib)
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