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dc.contributor.authorCarraretto, Antonio Roberto-
dc.contributor.authorVianna, Pedro Thadeu Galvão-
dc.contributor.authorDe Almeida, Armando Vieira-
dc.contributor.authorGanem, Eliana Marisa-
dc.identifier.citationRevista Brasileira de Anestesiologia, v. 55, n. 6, p. 639-654, 2005.-
dc.description.abstractBACKGROUND AND OBJECTIVES: Pressure controlled ventilation (PCV) is available in anesthesia machines, but there are no studies on its use during CO 2 pneumoperitoneum (CPP). This study aimed at evaluating pressure-controlled ventilation and hemodynamic and ventilatory changes during CPP, as compared to conventional volume controlled ventilation (VCV). METHODS: This study involved 16 dogs anesthetized with thiopental, fentanyl and pancuronium, which were randomly assigned to two groups: VC - volume controlled ventilation (n=8) and PC - pressure controlled ventilation (n=8). Hemodynamic and ventilatory parameters were monitored and recorded in 4 moments: M1 (before CPP), M2 (30 minutes after CPP = 10 mmHg), M3 (30 minutes after CPP=15 mmHg) and M4 (30 minutes after deflation). RESULTS: With CPP, there has been significant increase in tidal volume in PC group; there has been increase in airway pressures (peak and plateau), decrease in compliance with increase in CPP pressure, increase in heart rate, maintenance of mean blood pressure with higher values in the VC group in all stages; there was also increase in right atrium pressure with significant decrease after deflation, decrease in arterial pH with minor variations in PC group, greater arterial pCO 2 stability in PC group, and no significant changes in arterial pO 2. CONCLUSIONS: There were some differences in hemodynamic and ventilatory data between both ventilation control modes (VC and PC). It is possible to use pressure controlled ventilation during CPP, but the anesthesiologist must monitor and take a close look at alveolar ventilation, adjusting inspiratory pressure to ensure proper CO 2 elimination and oxygenation. © Sociedade Brasileira de Anestesiologia, 2005.en
dc.subjectANIMAL, Dog-
dc.subjectSURGERY, Abdominal: videolaparoscopic-
dc.subjectVENTILATION: mechanically controlled-
dc.subjectairway pressure-
dc.subjectarterial carbon dioxide tension-
dc.subjectarterial oxygen tension-
dc.subjectarterial pH-
dc.subjectartificial ventilation-
dc.subjectcomparative study-
dc.subjectcontrolled study-
dc.subjectheart rate-
dc.subjectheart right atrium pressure-
dc.subjecthemodynamic monitoring-
dc.subjectlung compliance-
dc.subjectlung ventilation-
dc.subjectmean arterial pressure-
dc.titleEstudo comparativo dos efeitos hemodinâmicos e ventilatórios da ventilação controlada a volume ou a pressão, em cães submetidos ao pneumoperitôniopt
dc.title.alternativeHemodynamic and ventilatory effects of volume or pressure controlled ventilation in dogs submitted to pneumoperitoneum. Comparative Studyen
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationPrograma de Pós-Graduação em Anestesiologia FMB - UNESP-
dc.description.affiliationCET/SBA Departamento de Anestesiologia FMB - UNESP-
dc.description.affiliation, Rua Cel. Monjardim, 289/1501, 29015-500 Vitória, ES-
dc.description.affiliationUnespPrograma de Pós-Graduação em Anestesiologia FMB - UNESP-
dc.description.affiliationUnespCET/SBA Departamento de Anestesiologia FMB - UNESP-
dc.rights.accessRightsAcesso aberto-
dc.relation.ispartofRevista Brasileira de Anestesiologia-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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