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Comparison of vital capacity induction with sevoflurane to intravenous induction with propofol in adult patients

BACKGROUND: Various techniques exist for gaseous induction in adults. Vital capacity induction (VCI) is a special technique for gaseous induction of anesthesia. AIMS: We compared the two methods for time of induction, vital parameters at induction, and suitability for laryngeal mask insertion and it...

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Autores principales: Dongare, Dhanashree H., Kale, Jyothi V., Naphade, Ramesh W.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Medknow Publications & Media Pvt Ltd 2014
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4258959/
https://www.ncbi.nlm.nih.gov/pubmed/25886328
http://dx.doi.org/10.4103/0259-1162.143122
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author Dongare, Dhanashree H.
Kale, Jyothi V.
Naphade, Ramesh W.
author_facet Dongare, Dhanashree H.
Kale, Jyothi V.
Naphade, Ramesh W.
author_sort Dongare, Dhanashree H.
collection PubMed
description BACKGROUND: Various techniques exist for gaseous induction in adults. Vital capacity induction (VCI) is a special technique for gaseous induction of anesthesia. AIMS: We compared the two methods for time of induction, vital parameters at induction, and suitability for laryngeal mask insertion and its effects, if any on the emergence and postoperative cognitive function tests. SETTINGS AND DESIGN: A total of 60 adult American Society of Anesthesiologists grades I and II gynecological patients were randomly allocated into two groups of 30 each. MATERIALS AND METHODS: Group “S” received VCI with 8% sevoflurane in 8 l/min oxygen and group “P” received intravenous induction with propofol after premedication. Laryngeal mask airway (LMA) was inserted and anesthesia maintained with oxygen, nitrous oxide, and sevoflurane in both groups. Induction time, corresponding entropy, vital parameters, and emergence time were noted. Postoperative cognitive and psychomotor functions were noted with P-deletion test, digit symbol substitution test, and finger nose test. STATISTICAL ANALYSIS USED: Unpaired t-test and Fisher exact test. RESULTS: Time for induction was 61 ± 32 s and 31 ± 10.8 s for VCI (group S) and propofol (group P), respectively. The difference was statistically significant (P = 0.001). About 70% patients in VCI had excellent conditions for LMA insertion when compared with 76% in propofol group (P = 0.3855). The incidence of airway complications, emergence times, and recovery of postoperative cognitive functions was not significantly different in both groups. CONCLUSIONS: VCI provides an induction and recovery comparable to propofol induction.
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spelling pubmed-42589592014-12-08 Comparison of vital capacity induction with sevoflurane to intravenous induction with propofol in adult patients Dongare, Dhanashree H. Kale, Jyothi V. Naphade, Ramesh W. Anesth Essays Res Original Article BACKGROUND: Various techniques exist for gaseous induction in adults. Vital capacity induction (VCI) is a special technique for gaseous induction of anesthesia. AIMS: We compared the two methods for time of induction, vital parameters at induction, and suitability for laryngeal mask insertion and its effects, if any on the emergence and postoperative cognitive function tests. SETTINGS AND DESIGN: A total of 60 adult American Society of Anesthesiologists grades I and II gynecological patients were randomly allocated into two groups of 30 each. MATERIALS AND METHODS: Group “S” received VCI with 8% sevoflurane in 8 l/min oxygen and group “P” received intravenous induction with propofol after premedication. Laryngeal mask airway (LMA) was inserted and anesthesia maintained with oxygen, nitrous oxide, and sevoflurane in both groups. Induction time, corresponding entropy, vital parameters, and emergence time were noted. Postoperative cognitive and psychomotor functions were noted with P-deletion test, digit symbol substitution test, and finger nose test. STATISTICAL ANALYSIS USED: Unpaired t-test and Fisher exact test. RESULTS: Time for induction was 61 ± 32 s and 31 ± 10.8 s for VCI (group S) and propofol (group P), respectively. The difference was statistically significant (P = 0.001). About 70% patients in VCI had excellent conditions for LMA insertion when compared with 76% in propofol group (P = 0.3855). The incidence of airway complications, emergence times, and recovery of postoperative cognitive functions was not significantly different in both groups. CONCLUSIONS: VCI provides an induction and recovery comparable to propofol induction. Medknow Publications & Media Pvt Ltd 2014 /pmc/articles/PMC4258959/ /pubmed/25886328 http://dx.doi.org/10.4103/0259-1162.143122 Text en Copyright: © Anesthesia: Essays and Researches http://creativecommons.org/licenses/by-nc-sa/3.0 This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Dongare, Dhanashree H.
Kale, Jyothi V.
Naphade, Ramesh W.
Comparison of vital capacity induction with sevoflurane to intravenous induction with propofol in adult patients
title Comparison of vital capacity induction with sevoflurane to intravenous induction with propofol in adult patients
title_full Comparison of vital capacity induction with sevoflurane to intravenous induction with propofol in adult patients
title_fullStr Comparison of vital capacity induction with sevoflurane to intravenous induction with propofol in adult patients
title_full_unstemmed Comparison of vital capacity induction with sevoflurane to intravenous induction with propofol in adult patients
title_short Comparison of vital capacity induction with sevoflurane to intravenous induction with propofol in adult patients
title_sort comparison of vital capacity induction with sevoflurane to intravenous induction with propofol in adult patients
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4258959/
https://www.ncbi.nlm.nih.gov/pubmed/25886328
http://dx.doi.org/10.4103/0259-1162.143122
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