A comparison of the cardiopulmonary effects of pressure controlled ventilation and volume controlled ventilation in healthy anesthetized dogs

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dc.contributorSistema FMUSP-HC: Faculdade de Medicina da Universidade de São Paulo (FMUSP) e Hospital das Clínicas da FMUSP
dc.contributor.authorFANTONI, Denise T.
dc.contributor.authorIDA, Keila K.
dc.contributor.authorLOPES, Thomas F. T.
dc.contributor.authorOTSUKI, Denise A.
dc.contributor.authorAULER JR., Jose Otavio C.
dc.contributor.authorAMBROSIO, Aline M.
dc.date.accessioned2017-02-16T12:39:42Z
dc.date.available2017-02-16T12:39:42Z
dc.date.issued2016
dc.description.abstractObjective - To compare the effects of pressure controlled ventilation (PCV) with volume-controlled ventilation (VCV) on lung compliance, gas exchange, and hemodynamics in isoflurane-anesthetized dogs. Design - Prospective randomized study. Setting - Veterinary teaching hospital. Animals - Forty client-owned bitches undergoing elective ovariohysterectomy. Interventions - Dogs were randomly assigned to be ventilated with 100% oxygen using PCV (n = 20) or VCV (n = 20). The respiratory rate was 20/min and positive end-expiratory pressure (PEEP) was 5 cm H2O, with a tidal volume of 10 mL/kg. Cardiac output (CO) was measured using thermodilution. Cardiopulmonary and blood gas data were obtained during spontaneous ventilation and after 30 (T30) and 60 minutes (T60) of controlled ventilation. Measurements and Main Results - In dogs ventilated with PCV, at T30 and T60, PIP was lower (11.4 +/- 1.9 and 11.1 +/- 1.5 cm H2O, respectively) and static compliance (C-ST) was higher (51 +/- 7 and 56 +/- 6 mL/cm H2O, respectively) than in VCV group (PIP of 14.3 +/- 1.3 and 15.5 +/- 1.4 cm H2O; C-ST of 34 +/- 8 and 33 +/- 9 mL/cm H2O, P < 0.0001). Compared with spontaneous ventilation, both groups had decreased alveolar-arterial oxygen difference at T30 and T60 (PCV: 128 +/- 32 mm Hg vs 108 +/- 20 and 104 +/- 16 mm Hg, respectively; VCV: 131 +/- 38 mm Hg vs 109 +/- 19 and 107 +/- 14 mm Hg, respectively; P < 0.01), while CO was maintained at all time points. Conclusions - Compared to spontaneous ventilation, both ventilatory modes effectively improved gas exchange without hemodynamic impairment. PCV resulted in higher lung C-ST and lower PIP compared to VCV.
dc.description.indexMEDLINE
dc.description.sponsorshipFundacao de Auxflio a Pesquisa do Estado de Sao Paulo - FAPESP [2001/11715-3]
dc.identifier.citationJOURNAL OF VETERINARY EMERGENCY AND CRITICAL CARE, v.26, n.4, p.524-530, 2016
dc.identifier.doi10.1111/vec.12485
dc.identifier.eissn1476-4431
dc.identifier.issn1479-3261
dc.identifier.urihttps://observatorio.fm.usp.br/handle/OPI/17785
dc.language.isoeng
dc.publisherWILEY-BLACKWELL
dc.relation.ispartofJournal of Veterinary Emergency and Critical Care
dc.rightsrestrictedAccess
dc.rights.holderCopyright WILEY-BLACKWELL
dc.subjectcanine
dc.subjectmechanical ventilation
dc.subjectpulmonary function
dc.subjectrespiratory mechanics
dc.subject.otherend-expiratory pressure
dc.subject.othergas-exchange
dc.subject.othermechanics
dc.subject.othermaneuver
dc.subject.wosVeterinary Sciences
dc.titleA comparison of the cardiopulmonary effects of pressure controlled ventilation and volume controlled ventilation in healthy anesthetized dogs
dc.typearticle
dc.type.categoryoriginal article
dc.type.versionpublishedVersion
dspace.entity.typePublication
hcfmusp.author.externalLOPES, Thomas F. T.:Univ Sao Paulo, Fac Med Vet & Zootecnia, Dept Cirurgia, Sao Paulo, SP, Brazil
hcfmusp.citation.scopus17
hcfmusp.contributor.author-fmusphcDENISE TABACCHI FANTONI
hcfmusp.contributor.author-fmusphcKEILA KAZUE IDA
hcfmusp.contributor.author-fmusphcDENISE AYA OTSUKI
hcfmusp.contributor.author-fmusphcJOSE OTAVIO COSTA AULER JUNIOR
hcfmusp.contributor.author-fmusphcALINE MAGALHAES AMBROSIO
hcfmusp.description.beginpage524
hcfmusp.description.endpage530
hcfmusp.description.issue4
hcfmusp.description.volume26
hcfmusp.origemWOS
hcfmusp.origem.pubmed27168461
hcfmusp.origem.scopus2-s2.0-84969920009
hcfmusp.origem.wosWOS:000383609400008
hcfmusp.publisher.cityHOBOKEN
hcfmusp.publisher.countryUSA
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hcfmusp.scopus.lastupdate2024-05-10
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