End-tidal carbon dioxide concentration monitoring in obstructive sleep apnea patients
Abstract Purpose The objective of this study was to investigate the end-tidal carbon dioxide concentration (ET co2 ) monitoring in obstructive sleep apnea (OSA) patients during sleep and to explore whether the ET co2 value may explain a significant portion of the relationship between ET co2 value an...
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| Veröffentlicht in: | American journal of otolaryngology 2011-05, Vol.32 (3), p.190-193 |
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| creator | Weihu, Chen Jingying, Ye Demin, Han Yuhuan, Zhang Jiangyong, Wang |
| description | Abstract Purpose The objective of this study was to investigate the end-tidal carbon dioxide concentration (ET co2 ) monitoring in obstructive sleep apnea (OSA) patients during sleep and to explore whether the ET co2 value may explain a significant portion of the relationship between ET co2 value and apnea/hypopnea index (AHI) and nocturnal oxygenation indices. Materials and methods Thirty-eight consecutive patients underwent overnight polysomnography and were synchronously monitored for ET co2 using an microstream capnometer. Mean and maximum values during wake time and different sleep stages were recorded. We grouped 38 OSA patients into 2 subgroups on the basis of their difference of mean total sleep time and wake time ET co2 [(T − W) ET co2 ]; one group, 20 patients with (T − W) ET co2 less than 0, and the other group,18 patients with (T − W) ET co2 greater than 0. Results Group with (T − W) ET co2 less than 0 patients exhibited higher AHI (mean ± SD, 68.58 ± 22.78 vs. 27.61 ± 19.44 events/h) and lower nocturnal oxygenation indices (minimum Sa o2 , 67.85 ± 10.08 vs. 82.61% ± 6.07%; mean Sa o2 , 91.29 ± 3.31 vs. 95.15% ± 1.88%) compared with the other group. Conclusions In summary, the study provides preliminary data showing that ET co2 potentially can be used in continuous monitoring of OSA patients. And, (T − W) ET co2 can indicate the severity of OSA. |
| doi_str_mv | 10.1016/j.amjoto.2010.01.006 |
| format | Article |
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Materials and methods Thirty-eight consecutive patients underwent overnight polysomnography and were synchronously monitored for ET co2 using an microstream capnometer. Mean and maximum values during wake time and different sleep stages were recorded. We grouped 38 OSA patients into 2 subgroups on the basis of their difference of mean total sleep time and wake time ET co2 [(T − W) ET co2 ]; one group, 20 patients with (T − W) ET co2 less than 0, and the other group,18 patients with (T − W) ET co2 greater than 0. Results Group with (T − W) ET co2 less than 0 patients exhibited higher AHI (mean ± SD, 68.58 ± 22.78 vs. 27.61 ± 19.44 events/h) and lower nocturnal oxygenation indices (minimum Sa o2 , 67.85 ± 10.08 vs. 82.61% ± 6.07%; mean Sa o2 , 91.29 ± 3.31 vs. 95.15% ± 1.88%) compared with the other group. Conclusions In summary, the study provides preliminary data showing that ET co2 potentially can be used in continuous monitoring of OSA patients. And, (T − W) ET co2 can indicate the severity of OSA.</description><identifier>ISSN: 0196-0709</identifier><identifier>EISSN: 1532-818X</identifier><identifier>DOI: 10.1016/j.amjoto.2010.01.006</identifier><identifier>PMID: 20466453</identifier><identifier>CODEN: AJOTDP</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Adolescent ; Adult ; Age Factors ; Aged ; Biological and medical sciences ; Carbon dioxide ; Carbon Dioxide - analysis ; Cohort Studies ; Data processing ; Emergency medical care ; Female ; Humans ; Male ; Medical sciences ; Middle Aged ; Monitoring, Physiologic - methods ; Otolaryngology ; Otorhinolaryngology. Stomatology ; Oxygen - metabolism ; Pneumology ; Polysomnography - methods ; Prognosis ; Pulmonary Gas Exchange ; Respiratory Mechanics ; Respiratory system : syndromes and miscellaneous diseases ; Risk Assessment ; Sensitivity and Specificity ; Severity of Illness Index ; Sex Factors ; Sleep apnea ; Sleep Apnea, Obstructive - diagnosis ; Sleep Apnea, Obstructive - physiopathology ; Sleep disorders ; Surgery ; Tidal Volume ; Young Adult</subject><ispartof>American journal of otolaryngology, 2011-05, Vol.32 (3), p.190-193</ispartof><rights>Elsevier Inc.</rights><rights>2011 Elsevier Inc.</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2011 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c474t-8af60c9d9b47ad6a90e48e145ec6e692eef9d9007d44da57f7536827029a8a5d3</citedby><cites>FETCH-LOGICAL-c474t-8af60c9d9b47ad6a90e48e145ec6e692eef9d9007d44da57f7536827029a8a5d3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0196070910000086$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3536,27903,27904,65309</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24137213$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/20466453$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Weihu, Chen</creatorcontrib><creatorcontrib>Jingying, Ye</creatorcontrib><creatorcontrib>Demin, Han</creatorcontrib><creatorcontrib>Yuhuan, Zhang</creatorcontrib><creatorcontrib>Jiangyong, Wang</creatorcontrib><title>End-tidal carbon dioxide concentration monitoring in obstructive sleep apnea patients</title><title>American journal of otolaryngology</title><addtitle>Am J Otolaryngol</addtitle><description>Abstract Purpose The objective of this study was to investigate the end-tidal carbon dioxide concentration (ET co2 ) monitoring in obstructive sleep apnea (OSA) patients during sleep and to explore whether the ET co2 value may explain a significant portion of the relationship between ET co2 value and apnea/hypopnea index (AHI) and nocturnal oxygenation indices. Materials and methods Thirty-eight consecutive patients underwent overnight polysomnography and were synchronously monitored for ET co2 using an microstream capnometer. Mean and maximum values during wake time and different sleep stages were recorded. We grouped 38 OSA patients into 2 subgroups on the basis of their difference of mean total sleep time and wake time ET co2 [(T − W) ET co2 ]; one group, 20 patients with (T − W) ET co2 less than 0, and the other group,18 patients with (T − W) ET co2 greater than 0. Results Group with (T − W) ET co2 less than 0 patients exhibited higher AHI (mean ± SD, 68.58 ± 22.78 vs. 27.61 ± 19.44 events/h) and lower nocturnal oxygenation indices (minimum Sa o2 , 67.85 ± 10.08 vs. 82.61% ± 6.07%; mean Sa o2 , 91.29 ± 3.31 vs. 95.15% ± 1.88%) compared with the other group. Conclusions In summary, the study provides preliminary data showing that ET co2 potentially can be used in continuous monitoring of OSA patients. And, (T − W) ET co2 can indicate the severity of OSA.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Age Factors</subject><subject>Aged</subject><subject>Biological and medical sciences</subject><subject>Carbon dioxide</subject><subject>Carbon Dioxide - analysis</subject><subject>Cohort Studies</subject><subject>Data processing</subject><subject>Emergency medical care</subject><subject>Female</subject><subject>Humans</subject><subject>Male</subject><subject>Medical sciences</subject><subject>Middle Aged</subject><subject>Monitoring, Physiologic - methods</subject><subject>Otolaryngology</subject><subject>Otorhinolaryngology. Stomatology</subject><subject>Oxygen - metabolism</subject><subject>Pneumology</subject><subject>Polysomnography - methods</subject><subject>Prognosis</subject><subject>Pulmonary Gas Exchange</subject><subject>Respiratory Mechanics</subject><subject>Respiratory system : syndromes and miscellaneous diseases</subject><subject>Risk Assessment</subject><subject>Sensitivity and Specificity</subject><subject>Severity of Illness Index</subject><subject>Sex Factors</subject><subject>Sleep apnea</subject><subject>Sleep Apnea, Obstructive - diagnosis</subject><subject>Sleep Apnea, Obstructive - physiopathology</subject><subject>Sleep disorders</subject><subject>Surgery</subject><subject>Tidal Volume</subject><subject>Young Adult</subject><issn>0196-0709</issn><issn>1532-818X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFksFq3DAQQEVpaDbb_kEphlJy8nZkybJ9KYSQtIVAD22gN6GVxkWuLbmSHJq_j8xuG8glugyM3oxGjyHkLYUdBSo-Djs1DT75XQU5BXQHIF6QDa1ZVba0_fmSbIB2ooQGulNyFuMAAIyz-hU5rYALwWu2IbdXzpTJGjUWWoW9d4Wx_q81WGjvNLoUVLI5O3lnkw_W_SqsK_w-prDoZO-wiCPiXKjZoSrmDOea-Jqc9GqM-OYYt-T2-urH5Zfy5tvnr5cXN6XmDU9lq3oBujPdnjfKCNUB8hYpr1ELFF2F2OdLgMZwblTd9E3NRFs1UHWqVbVhW3J-6DsH_2fBmORko8ZxVA79EmUrOO045VUm3z8hB78El4eTFBgVrGY5bgk_UDr4GAP2cg52UuE-Q3K1Lgd5sC5X6xKozNZz2btj82U_oflf9E9zBj4cARW1GvugnLbxkeOUNRVduU8HDrO0O4tBRp2FajQ2oE7SePvcJE8b6NE6m9_8jfcYH_8sYyVBfl83ZF0QCutpBXsAvbe23A</recordid><startdate>20110501</startdate><enddate>20110501</enddate><creator>Weihu, Chen</creator><creator>Jingying, Ye</creator><creator>Demin, Han</creator><creator>Yuhuan, Zhang</creator><creator>Jiangyong, Wang</creator><general>Elsevier Inc</general><general>Elsevier</general><general>Elsevier Limited</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QO</scope><scope>7QR</scope><scope>7TK</scope><scope>8FD</scope><scope>FR3</scope><scope>K9.</scope><scope>NAPCQ</scope><scope>P64</scope><scope>7X8</scope></search><sort><creationdate>20110501</creationdate><title>End-tidal carbon dioxide concentration monitoring in obstructive sleep apnea patients</title><author>Weihu, Chen ; Jingying, Ye ; Demin, Han ; Yuhuan, Zhang ; Jiangyong, Wang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c474t-8af60c9d9b47ad6a90e48e145ec6e692eef9d9007d44da57f7536827029a8a5d3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Age Factors</topic><topic>Aged</topic><topic>Biological and medical sciences</topic><topic>Carbon dioxide</topic><topic>Carbon Dioxide - analysis</topic><topic>Cohort Studies</topic><topic>Data processing</topic><topic>Emergency medical care</topic><topic>Female</topic><topic>Humans</topic><topic>Male</topic><topic>Medical sciences</topic><topic>Middle Aged</topic><topic>Monitoring, Physiologic - methods</topic><topic>Otolaryngology</topic><topic>Otorhinolaryngology. Stomatology</topic><topic>Oxygen - metabolism</topic><topic>Pneumology</topic><topic>Polysomnography - methods</topic><topic>Prognosis</topic><topic>Pulmonary Gas Exchange</topic><topic>Respiratory Mechanics</topic><topic>Respiratory system : syndromes and miscellaneous diseases</topic><topic>Risk Assessment</topic><topic>Sensitivity and Specificity</topic><topic>Severity of Illness Index</topic><topic>Sex Factors</topic><topic>Sleep apnea</topic><topic>Sleep Apnea, Obstructive - diagnosis</topic><topic>Sleep Apnea, Obstructive - physiopathology</topic><topic>Sleep disorders</topic><topic>Surgery</topic><topic>Tidal Volume</topic><topic>Young Adult</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Weihu, Chen</creatorcontrib><creatorcontrib>Jingying, Ye</creatorcontrib><creatorcontrib>Demin, Han</creatorcontrib><creatorcontrib>Yuhuan, Zhang</creatorcontrib><creatorcontrib>Jiangyong, Wang</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Biotechnology Research Abstracts</collection><collection>Chemoreception Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Premium</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>American journal of otolaryngology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Weihu, Chen</au><au>Jingying, Ye</au><au>Demin, Han</au><au>Yuhuan, Zhang</au><au>Jiangyong, Wang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>End-tidal carbon dioxide concentration monitoring in obstructive sleep apnea patients</atitle><jtitle>American journal of otolaryngology</jtitle><addtitle>Am J Otolaryngol</addtitle><date>2011-05-01</date><risdate>2011</risdate><volume>32</volume><issue>3</issue><spage>190</spage><epage>193</epage><pages>190-193</pages><issn>0196-0709</issn><eissn>1532-818X</eissn><coden>AJOTDP</coden><abstract>Abstract Purpose The objective of this study was to investigate the end-tidal carbon dioxide concentration (ET co2 ) monitoring in obstructive sleep apnea (OSA) patients during sleep and to explore whether the ET co2 value may explain a significant portion of the relationship between ET co2 value and apnea/hypopnea index (AHI) and nocturnal oxygenation indices. Materials and methods Thirty-eight consecutive patients underwent overnight polysomnography and were synchronously monitored for ET co2 using an microstream capnometer. Mean and maximum values during wake time and different sleep stages were recorded. We grouped 38 OSA patients into 2 subgroups on the basis of their difference of mean total sleep time and wake time ET co2 [(T − W) ET co2 ]; one group, 20 patients with (T − W) ET co2 less than 0, and the other group,18 patients with (T − W) ET co2 greater than 0. Results Group with (T − W) ET co2 less than 0 patients exhibited higher AHI (mean ± SD, 68.58 ± 22.78 vs. 27.61 ± 19.44 events/h) and lower nocturnal oxygenation indices (minimum Sa o2 , 67.85 ± 10.08 vs. 82.61% ± 6.07%; mean Sa o2 , 91.29 ± 3.31 vs. 95.15% ± 1.88%) compared with the other group. Conclusions In summary, the study provides preliminary data showing that ET co2 potentially can be used in continuous monitoring of OSA patients. And, (T − W) ET co2 can indicate the severity of OSA.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>20466453</pmid><doi>10.1016/j.amjoto.2010.01.006</doi><tpages>4</tpages></addata></record> |
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| subjects | Adolescent Adult Age Factors Aged Biological and medical sciences Carbon dioxide Carbon Dioxide - analysis Cohort Studies Data processing Emergency medical care Female Humans Male Medical sciences Middle Aged Monitoring, Physiologic - methods Otolaryngology Otorhinolaryngology. Stomatology Oxygen - metabolism Pneumology Polysomnography - methods Prognosis Pulmonary Gas Exchange Respiratory Mechanics Respiratory system : syndromes and miscellaneous diseases Risk Assessment Sensitivity and Specificity Severity of Illness Index Sex Factors Sleep apnea Sleep Apnea, Obstructive - diagnosis Sleep Apnea, Obstructive - physiopathology Sleep disorders Surgery Tidal Volume Young Adult |
| title | End-tidal carbon dioxide concentration monitoring in obstructive sleep apnea patients |
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