Does sealing endotracheal tube cuff pressure diminish the frequency of postoperative laryngotracheal complaints after nitrous oxide anesthesia?

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dc.contributor.authorBraz, José Reinaldo Cerqueira [UNESP]
dc.contributor.authorVolney, A.
dc.contributor.authorNavarro, LHC
dc.contributor.authorBraz, Leandro Gobbo [UNESP]
dc.contributor.authorNakamura, G.
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T13:31:54Z
dc.date.available2014-05-20T13:31:54Z
dc.date.issued2004-08-01
dc.description.abstractStudy Objectives: To study endotracheal tube (ETT) cuff pressures during nitrous oxide (N2O) anesthesia when the cuffs are inflated with air to achieve sealing pressure, and to evaluate the frequency of postoperative laryngotracheal complaints.Design: Prospective, randomized, blind study.Setting: Metropolitan teaching hospital.Patients: 50 ASA physical status I and II patients scheduled for elective abdominal surgery.Interventions: Patients received standard general anesthesia with 66% N2O in oxygen. In 25 patients, the ETT cuff was inflated with air to achieve a sealing pressure (P-seal group). In 25 patients, the ETT cuff was inflated with air to achieve a pressure of 25 cm H2O (P-25 group).Measurements and Main Results: ETT intracuff pressures were recorded before (control) and at 30, 60, 90, 120, and 150 minutes during N2O administration. We investigated the frequency and intensity of sore throat, hoarseness, and dysphagia in patients in the Post-Anesthesia Care Unit (PACU) and 24 hours following tracheal extubation. The cuff pressures in the P-seal group were significantly lower than in the P-25 group at all time points studied (p < 0.001), with a significant increase with time in both groups (p < 0.001). The cuff pressures exceeded the critical pressure of 30 cm H2O only after 90 minutes in the P-seal group and already by 30 minutes in the P-25 group. The frequency and intensity of sore throat, hoarseness, and dysphagia were similar in both groups in the PACU and 24 hours after tracheal extubation (p > 0.05).Conclusions: Minimum ETT sealing cuff pressure during N2O anesthesia did not prevent, but instead attenuated, the increase in cuff pressure and did not decrease postoperative laryngotracheal complaints. (C) 2004 by Elsevier B.V.en
dc.description.affiliationUniv Estadual Paulista Julio Mesquita Filho, Dept Anesthesiol, Fac Med, BR-8618970 Botucatu, SP, Brazil
dc.description.affiliationUnespUniv Estadual Paulista Julio Mesquita Filho, Dept Anesthesiol, Fac Med, BR-8618970 Botucatu, SP, Brazil
dc.format.extent320-325
dc.identifierhttp://dx.doi.org/10.1016/j.jclinane.2004.03.001
dc.identifier.citationJournal of Clinical Anesthesia. New York: Elsevier B.V., v. 16, n. 5, p. 320-325, 2004.
dc.identifier.doi10.1016/j.jclinane.2004.03.001
dc.identifier.issn0952-8180
dc.identifier.lattes7199562550978496
dc.identifier.urihttp://hdl.handle.net/11449/10875
dc.identifier.wosWOS:000224227000002
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofJournal of Clinical Anesthesia
dc.relation.ispartofjcr1.818
dc.relation.ispartofsjr0,484
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectanesthetic gases : nitrous oxidept
dc.subjectdysphagiapt
dc.subjectequipment and supplies : endotracheal tube cuffpt
dc.subjectintubation : intratrachealpt
dc.subjectsore throatpt
dc.titleDoes sealing endotracheal tube cuff pressure diminish the frequency of postoperative laryngotracheal complaints after nitrous oxide anesthesia?en
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
unesp.author.lattes7199562550978496
unesp.author.orcid0000-0002-1927-8729[4]
unesp.campusUniversidade Estadual Paulista (Unesp), Faculdade de Medicina, Botucatupt

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