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The effect of heated breathing circuit on body temperature and humidity of anesthetic gas in major burns

BACKGROUND: Cold and dry gas mixtures during general anesthesia cause the impairment of cilliary function and hypothermia. Hypothermia and pulmonary complications are critical for the patients with major burn. We examined the effect of heated breathing circuit (HBC) about temperature and humidity wi...

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Autores principales: Kwak, In-Suk, Choi, Do Young, Lee, Tae-Hyung, Bae, Ji Young, Lim, Tae-Wan, Kim, Kwang-Min
Formato: Online Artículo Texto
Lenguaje:English
Publicado: The Korean Society of Anesthesiologists 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3558651/
https://www.ncbi.nlm.nih.gov/pubmed/23372879
http://dx.doi.org/10.4097/kjae.2013.64.1.6
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author Kwak, In-Suk
Choi, Do Young
Lee, Tae-Hyung
Bae, Ji Young
Lim, Tae-Wan
Kim, Kwang-Min
author_facet Kwak, In-Suk
Choi, Do Young
Lee, Tae-Hyung
Bae, Ji Young
Lim, Tae-Wan
Kim, Kwang-Min
author_sort Kwak, In-Suk
collection PubMed
description BACKGROUND: Cold and dry gas mixtures during general anesthesia cause the impairment of cilliary function and hypothermia. Hypothermia and pulmonary complications are critical for the patients with major burn. We examined the effect of heated breathing circuit (HBC) about temperature and humidity with major burned patients. METHODS: Sixty patients with major burn over total body surface area 25% scheduled for escharectomy and skin graft were enrolled. We randomly assigned patients to receiving HBC (HBC group) or conventional breathing circuit (control group) during general anesthesia. The esophageal temperature of the patients and the temperature and the absolute humidity of the circuit were recorded every 15 min after endotracheal intubation up to 180 min. RESULTS: There was no significant difference of the core temperature between two groups during anesthesia. The relative humidity of HBC group was significantly greater compared to control group (98% vs. 48%, P < 0.01). In both groups, all measured temperatures were significantly lower than that after intubation. CONCLUSIONS: The use of HBC helped maintain airway humidity, however it did not have the effect to minimize a body temperature drop in major burns.
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spelling pubmed-35586512013-01-31 The effect of heated breathing circuit on body temperature and humidity of anesthetic gas in major burns Kwak, In-Suk Choi, Do Young Lee, Tae-Hyung Bae, Ji Young Lim, Tae-Wan Kim, Kwang-Min Korean J Anesthesiol Clinical Research Article BACKGROUND: Cold and dry gas mixtures during general anesthesia cause the impairment of cilliary function and hypothermia. Hypothermia and pulmonary complications are critical for the patients with major burn. We examined the effect of heated breathing circuit (HBC) about temperature and humidity with major burned patients. METHODS: Sixty patients with major burn over total body surface area 25% scheduled for escharectomy and skin graft were enrolled. We randomly assigned patients to receiving HBC (HBC group) or conventional breathing circuit (control group) during general anesthesia. The esophageal temperature of the patients and the temperature and the absolute humidity of the circuit were recorded every 15 min after endotracheal intubation up to 180 min. RESULTS: There was no significant difference of the core temperature between two groups during anesthesia. The relative humidity of HBC group was significantly greater compared to control group (98% vs. 48%, P < 0.01). In both groups, all measured temperatures were significantly lower than that after intubation. CONCLUSIONS: The use of HBC helped maintain airway humidity, however it did not have the effect to minimize a body temperature drop in major burns. The Korean Society of Anesthesiologists 2013-01 2013-01-21 /pmc/articles/PMC3558651/ /pubmed/23372879 http://dx.doi.org/10.4097/kjae.2013.64.1.6 Text en Copyright © the Korean Society of Anesthesiologists, 2013 http://creativecommons.org/licenses/by-nc/3.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Clinical Research Article
Kwak, In-Suk
Choi, Do Young
Lee, Tae-Hyung
Bae, Ji Young
Lim, Tae-Wan
Kim, Kwang-Min
The effect of heated breathing circuit on body temperature and humidity of anesthetic gas in major burns
title The effect of heated breathing circuit on body temperature and humidity of anesthetic gas in major burns
title_full The effect of heated breathing circuit on body temperature and humidity of anesthetic gas in major burns
title_fullStr The effect of heated breathing circuit on body temperature and humidity of anesthetic gas in major burns
title_full_unstemmed The effect of heated breathing circuit on body temperature and humidity of anesthetic gas in major burns
title_short The effect of heated breathing circuit on body temperature and humidity of anesthetic gas in major burns
title_sort effect of heated breathing circuit on body temperature and humidity of anesthetic gas in major burns
topic Clinical Research Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3558651/
https://www.ncbi.nlm.nih.gov/pubmed/23372879
http://dx.doi.org/10.4097/kjae.2013.64.1.6
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