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Changes in myocardial and coronary sinus blood oxygen tension induced by asphyxia and reoxygenation.

dc.contributor.authorCicogna, A. C. [UNESP]
dc.contributor.authorSpadaro, J. [UNESP]
dc.contributor.authorTucci, P. J. [UNESP]
dc.contributor.authorBregagnollo, E. A. [UNESP]
dc.contributor.authorRodrigues, M. A. [UNESP]
dc.contributor.authorCuri, P. R. [UNESP]
dc.contributor.authorLucchiari, P. H. [UNESP]
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)
dc.date.accessioned2022-04-28T19:53:47Z
dc.date.available2022-04-28T19:53:47Z
dc.date.issued1988-01-01
dc.description.abstract1. This study analyzes variations of oxygen tension induced by asphyxia in the myocardium (MpO2) and coronary sinus blood (CSpO2) of the anesthetized open-chest dog. Oxygen tension was measured polarographically and arterial blood pressure and coronary blood flow were recorded simultaneously. 2. Asphyxia increased arterial pressure and coronary blood flow but decreased both MpO2 and CSpO2. 3. During the reoxygenation phase, arterial pressure and coronary flow decreased gradually. Reoxygenation induced a rapid but transient increase in CSpO2 above control levels. In contrast, MpO2 returned gradually to the basal state. 4. The mechanism(s) involved in the differential effects of asphyxia followed by reoxygenation on MpO2 and CSpO2 remain to be elucidated.en
dc.description.affiliationDepartamento de Clínica Médica Faculdade de Medicina de Botucatu Universidade Estadual de São Paulo
dc.description.affiliationUnespDepartamento de Clínica Médica Faculdade de Medicina de Botucatu Universidade Estadual de São Paulo
dc.format.extent585-590
dc.identifier.citationBrazilian journal of medical and biological research = Revista brasileira de pesquisas médicas e biológicas / Sociedade Brasileira de Biofísica ... [et al.], v. 21, n. 3, p. 585-590, 1988.
dc.identifier.issn0100-879X
dc.identifier.scopus2-s2.0-0024222525
dc.identifier.urihttp://hdl.handle.net/11449/223910
dc.language.isoeng
dc.relation.ispartofBrazilian journal of medical and biological research = Revista brasileira de pesquisas médicas e biológicas / Sociedade Brasileira de Biofísica ... [et al.]
dc.sourceScopus
dc.titleChanges in myocardial and coronary sinus blood oxygen tension induced by asphyxia and reoxygenation.en
dc.typeArtigo
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Faculdade de Medicina, Botucatupt
unesp.departmentClínica Médica - FMBpt

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