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Effects of preoxygenation with the three minutes tidal volume breathing technique in the elderly
BACKGROUND: Preoxygenation with tidal volume breathing for 3 min is commonly used technique. An end tidal expiratory oxygen concentration greater than 90% is considerd to be adequate for preoxygenation. The aim of this study was to check the effects of preoxygenation on elderly patients through the...
Autores principales: | , , , , |
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Formato: | Texto |
Lenguaje: | English |
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The Korean Society of Anesthesiologists
2010
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2876858/ https://www.ncbi.nlm.nih.gov/pubmed/20508794 http://dx.doi.org/10.4097/kjae.2010.58.4.369 |
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author | Kang, Hyoseok Park, Hye Jin Baek, Seung Kwon Choi, Juyoun Park, So Jin |
author_facet | Kang, Hyoseok Park, Hye Jin Baek, Seung Kwon Choi, Juyoun Park, So Jin |
author_sort | Kang, Hyoseok |
collection | PubMed |
description | BACKGROUND: Preoxygenation with tidal volume breathing for 3 min is commonly used technique. An end tidal expiratory oxygen concentration greater than 90% is considerd to be adequate for preoxygenation. The aim of this study was to check the effects of preoxygenation on elderly patients through the comparison with young patients during the 3 min tidal volume breathing technique. METHODS: Sixty patients from ASA class I or II who were scheduled for elective orthopedic general surgery were divided into an elderly (>65 yr) group and a control (25-65 yr) group. Patients were instructed in the technique of preoxygenation. Preoxygenation was accomplished with an appropriately sized face mask connected to an anesthesia machine with 100% oxygen during 3 min with patients in both groups. Expired O(2), CO(2) concentration and oxygen saturation were recorded simultaneously for 3 min. RESULTS: The elderly group showed significantly lower end tidal oxygen concentration than the control group from 50 sec to the end of study (180 sec) with the 3 min tidal volume breathing technique (P < 0.05). In 180 sec, the control group had over 90% (91.5%) end tidal oxygen concentration, but in the elderly group end tidal oxygen concentration could not reach 90% (86.2%). In oxygen saturation, the elderly group showed a significantly lower level until 40 sec from the start of study, and then two groups showed a similar levels of oxygen saturation until the end of study. CONCLUSIONS: End tidal oxygen concentration did not reach 90% in 180 sec in the elderly group during preoxygenation with the 3 min tidal volume breathing technique. |
format | Text |
id | pubmed-2876858 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2010 |
publisher | The Korean Society of Anesthesiologists |
record_format | MEDLINE/PubMed |
spelling | pubmed-28768582010-05-27 Effects of preoxygenation with the three minutes tidal volume breathing technique in the elderly Kang, Hyoseok Park, Hye Jin Baek, Seung Kwon Choi, Juyoun Park, So Jin Korean J Anesthesiol Clinical Research Article BACKGROUND: Preoxygenation with tidal volume breathing for 3 min is commonly used technique. An end tidal expiratory oxygen concentration greater than 90% is considerd to be adequate for preoxygenation. The aim of this study was to check the effects of preoxygenation on elderly patients through the comparison with young patients during the 3 min tidal volume breathing technique. METHODS: Sixty patients from ASA class I or II who were scheduled for elective orthopedic general surgery were divided into an elderly (>65 yr) group and a control (25-65 yr) group. Patients were instructed in the technique of preoxygenation. Preoxygenation was accomplished with an appropriately sized face mask connected to an anesthesia machine with 100% oxygen during 3 min with patients in both groups. Expired O(2), CO(2) concentration and oxygen saturation were recorded simultaneously for 3 min. RESULTS: The elderly group showed significantly lower end tidal oxygen concentration than the control group from 50 sec to the end of study (180 sec) with the 3 min tidal volume breathing technique (P < 0.05). In 180 sec, the control group had over 90% (91.5%) end tidal oxygen concentration, but in the elderly group end tidal oxygen concentration could not reach 90% (86.2%). In oxygen saturation, the elderly group showed a significantly lower level until 40 sec from the start of study, and then two groups showed a similar levels of oxygen saturation until the end of study. CONCLUSIONS: End tidal oxygen concentration did not reach 90% in 180 sec in the elderly group during preoxygenation with the 3 min tidal volume breathing technique. The Korean Society of Anesthesiologists 2010-04 2010-04-28 /pmc/articles/PMC2876858/ /pubmed/20508794 http://dx.doi.org/10.4097/kjae.2010.58.4.369 Text en Copyright © The Korean Society of Anesthesiologists, 2010 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 Kang, Hyoseok Park, Hye Jin Baek, Seung Kwon Choi, Juyoun Park, So Jin Effects of preoxygenation with the three minutes tidal volume breathing technique in the elderly |
title | Effects of preoxygenation with the three minutes tidal volume breathing technique in the elderly |
title_full | Effects of preoxygenation with the three minutes tidal volume breathing technique in the elderly |
title_fullStr | Effects of preoxygenation with the three minutes tidal volume breathing technique in the elderly |
title_full_unstemmed | Effects of preoxygenation with the three minutes tidal volume breathing technique in the elderly |
title_short | Effects of preoxygenation with the three minutes tidal volume breathing technique in the elderly |
title_sort | effects of preoxygenation with the three minutes tidal volume breathing technique in the elderly |
topic | Clinical Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2876858/ https://www.ncbi.nlm.nih.gov/pubmed/20508794 http://dx.doi.org/10.4097/kjae.2010.58.4.369 |
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