Is coronary sinus blood oxygen tension behavior determined by myocardial oxygen tension variation during cardiac reperfusion?

Detalhes bibliográficos
Autor(a) principal: Cicogna, A. C.
Data de Publicação: 1988
Outros Autores: Ferreira Tucci, P. J., Spadaro, J., Marchesan Rodrigues, M. A., Curi, P. R., Lucchiari, P. H.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UNESP
Texto Completo: http://dx.doi.org/10.1536/ihj.29.207
http://hdl.handle.net/11449/63838
Resumo: The relationship between coronary sinus blood oxygen tension (CSPO 2) and myocardial oxygen tension (MPO 2) variations during cardiac ischemia and reperfusion was studied in anesthetized open-chest dogs. Oxygen tension was measured by a polarographic method. Ischemia resulted in a slightly decreased CSPO 2 and a more pronounced reduction of MPO 2. After reperfusion the CSPO 2 rose rapidly and transiently before it returned gradually to the control level. By contrast, during the recovery period, the MPO 2 increased slowly, with recovery occurring long after the peak of CSPO 2. These data suggest that during the reperfusion phase, the CSPO 2 variation is probably due to opening of the myocardial arteriovenous shunts instead of an increase of flow through the myocardial capillary bed.
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spelling Is coronary sinus blood oxygen tension behavior determined by myocardial oxygen tension variation during cardiac reperfusion?animal experimentblood oxygen tensioncoronary sinusdogheart muscle ischemiaheart muscle oxygen consumptionheart muscle reperfusionnonhumanpriority journalAnimalCoronary CirculationCoronary DiseaseCoronary VesselsDogsMaleMyocardiumOxygenPolarographyThe relationship between coronary sinus blood oxygen tension (CSPO 2) and myocardial oxygen tension (MPO 2) variations during cardiac ischemia and reperfusion was studied in anesthetized open-chest dogs. Oxygen tension was measured by a polarographic method. Ischemia resulted in a slightly decreased CSPO 2 and a more pronounced reduction of MPO 2. After reperfusion the CSPO 2 rose rapidly and transiently before it returned gradually to the control level. By contrast, during the recovery period, the MPO 2 increased slowly, with recovery occurring long after the peak of CSPO 2. These data suggest that during the reperfusion phase, the CSPO 2 variation is probably due to opening of the myocardial arteriovenous shunts instead of an increase of flow through the myocardial capillary bed.Universidade Estadual Paulista (Unesp)Cicogna, A. C.Ferreira Tucci, P. J.Spadaro, J.Marchesan Rodrigues, M. A.Curi, P. R.Lucchiari, P. H.2014-05-27T04:02:41Z2014-05-27T04:02:41Z1988-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article207-213application/pdfhttp://dx.doi.org/10.1536/ihj.29.207Japanese Heart Journal, v. 29, n. 2, p. 207-213, 1988.0021-4868http://hdl.handle.net/11449/6383810.1536/ihj.29.2072-s2.0-00239354032-s2.0-0023935403.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengJapanese Heart Journalinfo:eu-repo/semantics/openAccess2023-10-20T06:06:34Zoai:repositorio.unesp.br:11449/63838Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T15:25:27.720951Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false
dc.title.none.fl_str_mv Is coronary sinus blood oxygen tension behavior determined by myocardial oxygen tension variation during cardiac reperfusion?
title Is coronary sinus blood oxygen tension behavior determined by myocardial oxygen tension variation during cardiac reperfusion?
spellingShingle Is coronary sinus blood oxygen tension behavior determined by myocardial oxygen tension variation during cardiac reperfusion?
Cicogna, A. C.
animal experiment
blood oxygen tension
coronary sinus
dog
heart muscle ischemia
heart muscle oxygen consumption
heart muscle reperfusion
nonhuman
priority journal
Animal
Coronary Circulation
Coronary Disease
Coronary Vessels
Dogs
Male
Myocardium
Oxygen
Polarography
title_short Is coronary sinus blood oxygen tension behavior determined by myocardial oxygen tension variation during cardiac reperfusion?
title_full Is coronary sinus blood oxygen tension behavior determined by myocardial oxygen tension variation during cardiac reperfusion?
title_fullStr Is coronary sinus blood oxygen tension behavior determined by myocardial oxygen tension variation during cardiac reperfusion?
title_full_unstemmed Is coronary sinus blood oxygen tension behavior determined by myocardial oxygen tension variation during cardiac reperfusion?
title_sort Is coronary sinus blood oxygen tension behavior determined by myocardial oxygen tension variation during cardiac reperfusion?
author Cicogna, A. C.
author_facet Cicogna, A. C.
Ferreira Tucci, P. J.
Spadaro, J.
Marchesan Rodrigues, M. A.
Curi, P. R.
Lucchiari, P. H.
author_role author
author2 Ferreira Tucci, P. J.
Spadaro, J.
Marchesan Rodrigues, M. A.
Curi, P. R.
Lucchiari, P. H.
author2_role author
author
author
author
author
dc.contributor.none.fl_str_mv Universidade Estadual Paulista (Unesp)
dc.contributor.author.fl_str_mv Cicogna, A. C.
Ferreira Tucci, P. J.
Spadaro, J.
Marchesan Rodrigues, M. A.
Curi, P. R.
Lucchiari, P. H.
dc.subject.por.fl_str_mv animal experiment
blood oxygen tension
coronary sinus
dog
heart muscle ischemia
heart muscle oxygen consumption
heart muscle reperfusion
nonhuman
priority journal
Animal
Coronary Circulation
Coronary Disease
Coronary Vessels
Dogs
Male
Myocardium
Oxygen
Polarography
topic animal experiment
blood oxygen tension
coronary sinus
dog
heart muscle ischemia
heart muscle oxygen consumption
heart muscle reperfusion
nonhuman
priority journal
Animal
Coronary Circulation
Coronary Disease
Coronary Vessels
Dogs
Male
Myocardium
Oxygen
Polarography
description The relationship between coronary sinus blood oxygen tension (CSPO 2) and myocardial oxygen tension (MPO 2) variations during cardiac ischemia and reperfusion was studied in anesthetized open-chest dogs. Oxygen tension was measured by a polarographic method. Ischemia resulted in a slightly decreased CSPO 2 and a more pronounced reduction of MPO 2. After reperfusion the CSPO 2 rose rapidly and transiently before it returned gradually to the control level. By contrast, during the recovery period, the MPO 2 increased slowly, with recovery occurring long after the peak of CSPO 2. These data suggest that during the reperfusion phase, the CSPO 2 variation is probably due to opening of the myocardial arteriovenous shunts instead of an increase of flow through the myocardial capillary bed.
publishDate 1988
dc.date.none.fl_str_mv 1988-01-01
2014-05-27T04:02:41Z
2014-05-27T04:02:41Z
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 http://dx.doi.org/10.1536/ihj.29.207
Japanese Heart Journal, v. 29, n. 2, p. 207-213, 1988.
0021-4868
http://hdl.handle.net/11449/63838
10.1536/ihj.29.207
2-s2.0-0023935403
2-s2.0-0023935403.pdf
url http://dx.doi.org/10.1536/ihj.29.207
http://hdl.handle.net/11449/63838
identifier_str_mv Japanese Heart Journal, v. 29, n. 2, p. 207-213, 1988.
0021-4868
10.1536/ihj.29.207
2-s2.0-0023935403
2-s2.0-0023935403.pdf
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv Japanese Heart Journal
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv 207-213
application/pdf
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_ 1808128512820772864

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