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dc.contributor.authorAuler Junior, Jose Otavio Costapt_BR
dc.contributor.authorTorres, Marcelo L. A.pt_BR
dc.contributor.authorCardoso, Mônica M.pt_BR
dc.contributor.authorTebaldi, Thais C.pt_BR
dc.contributor.authorSchmidt, André Pratopt_BR
dc.contributor.authorKondo, Mario M. Kondopt_BR
dc.contributor.authorZugaib, Marcelopt_BR
dc.date.accessioned2012-06-27T01:32:03Zpt_BR
dc.date.issued2010pt_BR
dc.identifier.issn1807-5932pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/49791pt_BR
dc.description.abstractBACKGROUND: Spinal anesthesia for cesarean delivery may cause severe maternal hypotension and a decrease in cardiac output. Compared to assessment of cardiac output via a pulmonary artery catheter, the FloTrac/VigileoTM system may offer a less invasive technique. The aim of this study was to evaluate cardiac output and other hemodynamic measurements made using the FloTrac/VigileoTM system in patients undergoing spinal anesthesia for elective cesarean section. METHODS: A prospective study enrolling 10 healthy pregnant women was performed. Hemodynamic parameters were continuously obtained at 15 main points: admission to surgery (two baseline measurements), after preload, after spinal anesthesia administration and 4 time points thereafter (4, 6, 8 and 10 min after anesthesia), at skin and uterine incision, newborn and placental delivery, oxytocin administration, end of surgery, and recovery from anesthesia. Hemodynamic therapy was guided by mean arterial pressure, and vasopressors were used as appropriate to maintain baseline values. A repeated measures ANOVA was used for data analysis. RESULTS: There was a significant increase in heart rate and a decrease of stroke volume and stroke volume index up to 10 min after spinal anesthesia (P , 0.01). Importantly, stroke volume variation increased immediately after newborn delivery (P , 0.001) and returned to basal values at the end of surgery. Further hemodynamic parameters showed no significant changes over time. DISCUSSION AND CONCLUSIONS: No significant hemodynamic effects, except for heart rate and stroke volume changes, were observed in pregnant women managed with preload and vasopressors when undergoing elective cesarean section and spinal anesthesia.en
dc.format.mimetypeapplication/pdf
dc.language.isoengpt_BR
dc.relation.ispartofClinics. São Paulo. Vol. 65, n. 8 (jun. 2010), p. 793-798pt_BR
dc.rightsOpen Accessen
dc.subjectFloTrac/VigileoTMen
dc.subjectDébito cardíacopt_BR
dc.subjectCardiac outputen
dc.subjectVolume sistólicopt_BR
dc.subjectStroke volumeen
dc.subjectCesáreapt_BR
dc.subjectCesarean sectionen
dc.subjectRaquianestesiapt_BR
dc.subjectSpinal anesthesiaen
dc.subjectFlo Trac Vigileopt_BR
dc.titleClinical evaluation of the flotrac/vigileo™ system for continuous cardiac output monitoring in patients undergoing regional anesthesia for elective cesarean section : a pilot studypt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000764046pt_BR
dc.type.originNacionalpt_BR


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