Clinical significance of transient left ventricular dilation assessed during myocardial Tc-99m sestamibi scintigraphy

Detalhes bibliográficos
Autor(a) principal: Duarte,Paulo Schiavom
Data de Publicação: 2003
Outros Autores: Smanio,Paola Emanuela, Oliveira,Carlos Alberto, Martins,Luiz Roberto, Mastrocolla,Luiz Eduardo, Pereira,Julio César
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Arquivos Brasileiros de Cardiologia (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2003001300004
Resumo: OBJECTIVE: To assess the clinical significance of transient ischemic dilation of the left ventricle during myocardial perfusion scintigraphy with stress/rest sestamibi. METHODS: The study retrospectively analyzed 378 patients who underwent myocardial perfusion scintigraphy with stress/rest sestamibi, 340 of whom had a low probability of having ischemia and 38 had significant transient defects. Transient ischemic dilation was automatically calculated using Autoquant software. Sensitivity, specificity, and the positive and negative predictive values were established for each value of transient ischemic dilation. RESULTS: The values of transient ischemic dilation for the groups of low probability and significant transient defects were, respectively, 1.01 ± 0.13 and 1.18 ± 0.17. The values of transient ischemic dilation for the group with significant transient defects were significantly greater than those obtained for the group with a low probability (P<0.001). The greatest positive predictive values, around 50%, were obtained for the values of transient ischemic dilation above 1.25. CONCLUSION: The results suggest that transient ischemic dilation assessed using the stress/rest sestamibi protocol may be useful to separate patients with extensive myocardial ischemia from those without ischemia.
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spelling Clinical significance of transient left ventricular dilation assessed during myocardial Tc-99m sestamibi scintigraphytransient left ventricular dilationmyocardial ischemiasestamibi scintigraphyOBJECTIVE: To assess the clinical significance of transient ischemic dilation of the left ventricle during myocardial perfusion scintigraphy with stress/rest sestamibi. METHODS: The study retrospectively analyzed 378 patients who underwent myocardial perfusion scintigraphy with stress/rest sestamibi, 340 of whom had a low probability of having ischemia and 38 had significant transient defects. Transient ischemic dilation was automatically calculated using Autoquant software. Sensitivity, specificity, and the positive and negative predictive values were established for each value of transient ischemic dilation. RESULTS: The values of transient ischemic dilation for the groups of low probability and significant transient defects were, respectively, 1.01 ± 0.13 and 1.18 ± 0.17. The values of transient ischemic dilation for the group with significant transient defects were significantly greater than those obtained for the group with a low probability (P<0.001). The greatest positive predictive values, around 50%, were obtained for the values of transient ischemic dilation above 1.25. CONCLUSION: The results suggest that transient ischemic dilation assessed using the stress/rest sestamibi protocol may be useful to separate patients with extensive myocardial ischemia from those without ischemia.Sociedade Brasileira de Cardiologia - SBC2003-11-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2003001300004Arquivos Brasileiros de Cardiologia v.81 n.5 2003reponame:Arquivos Brasileiros de Cardiologia (Online)instname:Sociedade Brasileira de Cardiologia (SBC)instacron:SBC10.1590/S0066-782X2003001300004info:eu-repo/semantics/openAccessDuarte,Paulo SchiavomSmanio,Paola EmanuelaOliveira,Carlos AlbertoMartins,Luiz RobertoMastrocolla,Luiz EduardoPereira,Julio Césareng2003-12-01T00:00:00Zoai:scielo:S0066-782X2003001300004Revistahttp://www.arquivosonline.com.br/https://old.scielo.br/oai/scielo-oai.php||arquivos@cardiol.br1678-41700066-782Xopendoar:2003-12-01T00:00Arquivos Brasileiros de Cardiologia (Online) - Sociedade Brasileira de Cardiologia (SBC)false
dc.title.none.fl_str_mv Clinical significance of transient left ventricular dilation assessed during myocardial Tc-99m sestamibi scintigraphy
title Clinical significance of transient left ventricular dilation assessed during myocardial Tc-99m sestamibi scintigraphy
spellingShingle Clinical significance of transient left ventricular dilation assessed during myocardial Tc-99m sestamibi scintigraphy
Duarte,Paulo Schiavom
transient left ventricular dilation
myocardial ischemia
sestamibi scintigraphy
title_short Clinical significance of transient left ventricular dilation assessed during myocardial Tc-99m sestamibi scintigraphy
title_full Clinical significance of transient left ventricular dilation assessed during myocardial Tc-99m sestamibi scintigraphy
title_fullStr Clinical significance of transient left ventricular dilation assessed during myocardial Tc-99m sestamibi scintigraphy
title_full_unstemmed Clinical significance of transient left ventricular dilation assessed during myocardial Tc-99m sestamibi scintigraphy
title_sort Clinical significance of transient left ventricular dilation assessed during myocardial Tc-99m sestamibi scintigraphy
author Duarte,Paulo Schiavom
author_facet Duarte,Paulo Schiavom
Smanio,Paola Emanuela
Oliveira,Carlos Alberto
Martins,Luiz Roberto
Mastrocolla,Luiz Eduardo
Pereira,Julio César
author_role author
author2 Smanio,Paola Emanuela
Oliveira,Carlos Alberto
Martins,Luiz Roberto
Mastrocolla,Luiz Eduardo
Pereira,Julio César
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Duarte,Paulo Schiavom
Smanio,Paola Emanuela
Oliveira,Carlos Alberto
Martins,Luiz Roberto
Mastrocolla,Luiz Eduardo
Pereira,Julio César
dc.subject.por.fl_str_mv transient left ventricular dilation
myocardial ischemia
sestamibi scintigraphy
topic transient left ventricular dilation
myocardial ischemia
sestamibi scintigraphy
description OBJECTIVE: To assess the clinical significance of transient ischemic dilation of the left ventricle during myocardial perfusion scintigraphy with stress/rest sestamibi. METHODS: The study retrospectively analyzed 378 patients who underwent myocardial perfusion scintigraphy with stress/rest sestamibi, 340 of whom had a low probability of having ischemia and 38 had significant transient defects. Transient ischemic dilation was automatically calculated using Autoquant software. Sensitivity, specificity, and the positive and negative predictive values were established for each value of transient ischemic dilation. RESULTS: The values of transient ischemic dilation for the groups of low probability and significant transient defects were, respectively, 1.01 ± 0.13 and 1.18 ± 0.17. The values of transient ischemic dilation for the group with significant transient defects were significantly greater than those obtained for the group with a low probability (P<0.001). The greatest positive predictive values, around 50%, were obtained for the values of transient ischemic dilation above 1.25. CONCLUSION: The results suggest that transient ischemic dilation assessed using the stress/rest sestamibi protocol may be useful to separate patients with extensive myocardial ischemia from those without ischemia.
publishDate 2003
dc.date.none.fl_str_mv 2003-11-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2003001300004
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0066-782X2003001300004
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0066-782X2003001300004
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Cardiologia - SBC
publisher.none.fl_str_mv Sociedade Brasileira de Cardiologia - SBC
dc.source.none.fl_str_mv Arquivos Brasileiros de Cardiologia v.81 n.5 2003
reponame:Arquivos Brasileiros de Cardiologia (Online)
instname:Sociedade Brasileira de Cardiologia (SBC)
instacron:SBC
instname_str Sociedade Brasileira de Cardiologia (SBC)
instacron_str SBC
institution SBC
reponame_str Arquivos Brasileiros de Cardiologia (Online)
collection Arquivos Brasileiros de Cardiologia (Online)
repository.name.fl_str_mv Arquivos Brasileiros de Cardiologia (Online) - Sociedade Brasileira de Cardiologia (SBC)
repository.mail.fl_str_mv ||arquivos@cardiol.br
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