Does the oxygen tension of coronary sinus blood reflect myocardial oxygen tension?
Autor(a) principal: | |
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Data de Publicação: | 1989 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://hdl.handle.net/11449/230842 |
Resumo: | Coronary sinus blood oxygen tension (CSpO2) and myocardial oxygen tension (MpO2) were measured simultaneously during cardiac ischemia and reperfusion. Oxygen tension was measured using a polarographic method. Myocardial ischemia caused a reduction (5 +/- 1.5%; P less than 0.05) in CSpO2 and a decrease (56.5 +/- 10.1%; P less than 0.001) in MpO2. Reperfusion induced a rapid but transient increase (35.9 +/- 4.3%; P less than 0.001) in CSpO2 above the basal state while MpO2 returned gradually to the basal state. These results indicate that CSpO2 is of little value for the detection of changes in myocardial oxygen metabolism during the initial phase (seconds) of cardiac reperfusion. |
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Repositório Institucional da UNESP |
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spelling |
Does the oxygen tension of coronary sinus blood reflect myocardial oxygen tension?Coronary sinus blood oxygen tension (CSpO2) and myocardial oxygen tension (MpO2) were measured simultaneously during cardiac ischemia and reperfusion. Oxygen tension was measured using a polarographic method. Myocardial ischemia caused a reduction (5 +/- 1.5%; P less than 0.05) in CSpO2 and a decrease (56.5 +/- 10.1%; P less than 0.001) in MpO2. Reperfusion induced a rapid but transient increase (35.9 +/- 4.3%; P less than 0.001) in CSpO2 above the basal state while MpO2 returned gradually to the basal state. These results indicate that CSpO2 is of little value for the detection of changes in myocardial oxygen metabolism during the initial phase (seconds) of cardiac reperfusion.Departamento de Clínica Médica, Faculdade de Medicina de Botucatu, Brasil.Universidade Estadual Paulista (UNESP)Cicogna, A. C.Tucci, P. J.Spadaro, J.Curi, P. R.Lucchiari, P. H.2022-04-29T08:42:20Z2022-04-29T08:42:20Z1989-12-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article645-648Brazilian Journal of Medical and Biological Research, v. 22, n. 5, p. 645-648, 1989.0100-879Xhttp://hdl.handle.net/11449/2308422-s2.0-0024780117Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengBrazilian Journal of Medical and Biological Researchinfo:eu-repo/semantics/openAccess2022-04-29T08:42:20Zoai:repositorio.unesp.br:11449/230842Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-29T08:42:20Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Does the oxygen tension of coronary sinus blood reflect myocardial oxygen tension? |
title |
Does the oxygen tension of coronary sinus blood reflect myocardial oxygen tension? |
spellingShingle |
Does the oxygen tension of coronary sinus blood reflect myocardial oxygen tension? Cicogna, A. C. |
title_short |
Does the oxygen tension of coronary sinus blood reflect myocardial oxygen tension? |
title_full |
Does the oxygen tension of coronary sinus blood reflect myocardial oxygen tension? |
title_fullStr |
Does the oxygen tension of coronary sinus blood reflect myocardial oxygen tension? |
title_full_unstemmed |
Does the oxygen tension of coronary sinus blood reflect myocardial oxygen tension? |
title_sort |
Does the oxygen tension of coronary sinus blood reflect myocardial oxygen tension? |
author |
Cicogna, A. C. |
author_facet |
Cicogna, A. C. Tucci, P. J. Spadaro, J. Curi, P. R. Lucchiari, P. H. |
author_role |
author |
author2 |
Tucci, P. J. Spadaro, J. Curi, P. R. Lucchiari, P. H. |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Cicogna, A. C. Tucci, P. J. Spadaro, J. Curi, P. R. Lucchiari, P. H. |
description |
Coronary sinus blood oxygen tension (CSpO2) and myocardial oxygen tension (MpO2) were measured simultaneously during cardiac ischemia and reperfusion. Oxygen tension was measured using a polarographic method. Myocardial ischemia caused a reduction (5 +/- 1.5%; P less than 0.05) in CSpO2 and a decrease (56.5 +/- 10.1%; P less than 0.001) in MpO2. Reperfusion induced a rapid but transient increase (35.9 +/- 4.3%; P less than 0.001) in CSpO2 above the basal state while MpO2 returned gradually to the basal state. These results indicate that CSpO2 is of little value for the detection of changes in myocardial oxygen metabolism during the initial phase (seconds) of cardiac reperfusion. |
publishDate |
1989 |
dc.date.none.fl_str_mv |
1989-12-01 2022-04-29T08:42:20Z 2022-04-29T08:42:20Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Brazilian Journal of Medical and Biological Research, v. 22, n. 5, p. 645-648, 1989. 0100-879X http://hdl.handle.net/11449/230842 2-s2.0-0024780117 |
identifier_str_mv |
Brazilian Journal of Medical and Biological Research, v. 22, n. 5, p. 645-648, 1989. 0100-879X 2-s2.0-0024780117 |
url |
http://hdl.handle.net/11449/230842 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Brazilian Journal of Medical and Biological Research |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
645-648 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1803047123608928256 |