Noninvasive measurement of conjunctival PCO2 with a fiberoptic sensor
A miniaturized Fiberoptic Pco2 probe permits direct measurement of tissue Pco2 on nonkeratinized tissue surfaces without the heating effects produced by transcutaneous Pco2 sensors. This study of anesthetized dogs compared Pco2 measured at the palpebral conjunctiva (Pcjco2) with Paco2 and mixed veno...
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| Veröffentlicht in: | Critical care medicine 1986-02, Vol.14 (2), p.138-141 |
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| creator | ABRAHAM, EDWARD MARKLE, DAVID R PINHOLSTER, GLEN FINK, STANLEY E |
| description | A miniaturized Fiberoptic Pco2 probe permits direct measurement of tissue Pco2 on nonkeratinized tissue surfaces without the heating effects produced by transcutaneous Pco2 sensors. This study of anesthetized dogs compared Pco2 measured at the palpebral conjunctiva (Pcjco2) with Paco2 and mixed venous (Pvco2) measurements during normovolemic normotension and hypovolemic hypotension. During the control period, the average Pcjco2 was 3 ± 1 (SEM) torr greater than Paco2 (r = 0.98) when the latter ranged from 20 to 80 torr. There was a close association (r = 0.94) between Pcjco2 and Paco2 when the cardiac index (CI) was greater than 2.0 L/minm. However, as CI decreased below this value, PCjCo2 and Paco2 were less well correlated (r = 0.69). Pcjco2 was closely associated with Pvco2 at all stages of the experiment, both above (r = 0.95) and below (r = 0.82) a CI of 2 L/min m. Fiberoptic conjunctival Pco2 monitoring seems promising as a noninvasive measure of physiologic status. |
| doi_str_mv | 10.1097/00003246-198602000-00013 |
| format | Article |
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This study of anesthetized dogs compared Pco2 measured at the palpebral conjunctiva (Pcjco2) with Paco2 and mixed venous (Pvco2) measurements during normovolemic normotension and hypovolemic hypotension. During the control period, the average Pcjco2 was 3 ± 1 (SEM) torr greater than Paco2 (r = 0.98) when the latter ranged from 20 to 80 torr. There was a close association (r = 0.94) between Pcjco2 and Paco2 when the cardiac index (CI) was greater than 2.0 L/minm. However, as CI decreased below this value, PCjCo2 and Paco2 were less well correlated (r = 0.69). Pcjco2 was closely associated with Pvco2 at all stages of the experiment, both above (r = 0.95) and below (r = 0.82) a CI of 2 L/min m. Fiberoptic conjunctival Pco2 monitoring seems promising as a noninvasive measure of physiologic status.</description><identifier>ISSN: 0090-3493</identifier><identifier>EISSN: 1530-0293</identifier><identifier>DOI: 10.1097/00003246-198602000-00013</identifier><identifier>PMID: 3080272</identifier><identifier>CODEN: CCMDC7</identifier><language>eng</language><publisher>Hagerstown, MD: Williams & Wilkins</publisher><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy ; Animals ; Biological and medical sciences ; Blood Circulation ; Blood Pressure ; Carbon Dioxide - analysis ; Conjunctiva ; Dogs ; Emergency and intensive care: techniques, logistics ; Fiber Optic Technology - instrumentation ; Hypotension - metabolism ; Intensive care medicine ; Medical sciences ; Monitoring ; Shock - metabolism ; Shock, Hemorrhagic - metabolism</subject><ispartof>Critical care medicine, 1986-02, Vol.14 (2), p.138-141</ispartof><rights>Williams & Wilkins 1986. All Rights Reserved.</rights><rights>1986 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3843-5ed39e11c02ca7989eb000b849cbc0d4594d85e6a6f7afa2ce2e157da36e3e183</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=8578467$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/3080272$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>ABRAHAM, EDWARD</creatorcontrib><creatorcontrib>MARKLE, DAVID R</creatorcontrib><creatorcontrib>PINHOLSTER, GLEN</creatorcontrib><creatorcontrib>FINK, STANLEY E</creatorcontrib><title>Noninvasive measurement of conjunctival PCO2 with a fiberoptic sensor</title><title>Critical care medicine</title><addtitle>Crit Care Med</addtitle><description>A miniaturized Fiberoptic Pco2 probe permits direct measurement of tissue Pco2 on nonkeratinized tissue surfaces without the heating effects produced by transcutaneous Pco2 sensors. This study of anesthetized dogs compared Pco2 measured at the palpebral conjunctiva (Pcjco2) with Paco2 and mixed venous (Pvco2) measurements during normovolemic normotension and hypovolemic hypotension. During the control period, the average Pcjco2 was 3 ± 1 (SEM) torr greater than Paco2 (r = 0.98) when the latter ranged from 20 to 80 torr. There was a close association (r = 0.94) between Pcjco2 and Paco2 when the cardiac index (CI) was greater than 2.0 L/minm. However, as CI decreased below this value, PCjCo2 and Paco2 were less well correlated (r = 0.69). Pcjco2 was closely associated with Pvco2 at all stages of the experiment, both above (r = 0.95) and below (r = 0.82) a CI of 2 L/min m. Fiberoptic conjunctival Pco2 monitoring seems promising as a noninvasive measure of physiologic status.</description><subject>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</subject><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Blood Circulation</subject><subject>Blood Pressure</subject><subject>Carbon Dioxide - analysis</subject><subject>Conjunctiva</subject><subject>Dogs</subject><subject>Emergency and intensive care: techniques, logistics</subject><subject>Fiber Optic Technology - instrumentation</subject><subject>Hypotension - metabolism</subject><subject>Intensive care medicine</subject><subject>Medical sciences</subject><subject>Monitoring</subject><subject>Shock - metabolism</subject><subject>Shock, Hemorrhagic - metabolism</subject><issn>0090-3493</issn><issn>1530-0293</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1986</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kU1P4zAQQC3ECgrLT0DyAXEL66_E9hFVsIuE6B52z5bjTFSXJC520op_j0tLb1gaWaN5Y4_eIIQpuaNEy18kH85EVVCtKsJyVuSg_ATNaMlzwjQ_RTNCNCm40PwcXaS0yoQoJT9DZ5wowiSboYeXMPhhY5PfAO7BpilCD8OIQ4tdGFbT4Ea_sR3-O18wvPXjElvc-hpiWI_e4QRDCvEn-tHaLsHV4b5E_x8f_s3_FM-L30_z--fCcSV4UULDNVDqCHNWaqWhzlPXSmhXO9KIUotGlVDZqpW2tcwBA1rKxvIKOFDFL9Ht_t11DG8TpNH0PjnoOjtAmJKRVaVKSmQG1R50MaQUoTXr6Hsb3w0lZmfQfBk0R4Pm02BuvT78MdU9NMfGg7JcvznUbXK2a6MdnE9HTJVSiWo3gdhj29CNENNrN20hmiXYblya7_bHPwD2pIfT</recordid><startdate>198602</startdate><enddate>198602</enddate><creator>ABRAHAM, EDWARD</creator><creator>MARKLE, DAVID R</creator><creator>PINHOLSTER, GLEN</creator><creator>FINK, STANLEY E</creator><general>Williams & Wilkins</general><general>Lippincott</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>7X8</scope></search><sort><creationdate>198602</creationdate><title>Noninvasive measurement of conjunctival PCO2 with a fiberoptic sensor</title><author>ABRAHAM, EDWARD ; MARKLE, DAVID R ; PINHOLSTER, GLEN ; FINK, STANLEY E</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3843-5ed39e11c02ca7989eb000b849cbc0d4594d85e6a6f7afa2ce2e157da36e3e183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1986</creationdate><topic>Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy</topic><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Blood Circulation</topic><topic>Blood Pressure</topic><topic>Carbon Dioxide - analysis</topic><topic>Conjunctiva</topic><topic>Dogs</topic><topic>Emergency and intensive care: techniques, logistics</topic><topic>Fiber Optic Technology - instrumentation</topic><topic>Hypotension - metabolism</topic><topic>Intensive care medicine</topic><topic>Medical sciences</topic><topic>Monitoring</topic><topic>Shock - metabolism</topic><topic>Shock, Hemorrhagic - metabolism</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>ABRAHAM, EDWARD</creatorcontrib><creatorcontrib>MARKLE, DAVID R</creatorcontrib><creatorcontrib>PINHOLSTER, GLEN</creatorcontrib><creatorcontrib>FINK, STANLEY E</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>MEDLINE - Academic</collection><jtitle>Critical care medicine</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>ABRAHAM, EDWARD</au><au>MARKLE, DAVID R</au><au>PINHOLSTER, GLEN</au><au>FINK, STANLEY E</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Noninvasive measurement of conjunctival PCO2 with a fiberoptic sensor</atitle><jtitle>Critical care medicine</jtitle><addtitle>Crit Care Med</addtitle><date>1986-02</date><risdate>1986</risdate><volume>14</volume><issue>2</issue><spage>138</spage><epage>141</epage><pages>138-141</pages><issn>0090-3493</issn><eissn>1530-0293</eissn><coden>CCMDC7</coden><abstract>A miniaturized Fiberoptic Pco2 probe permits direct measurement of tissue Pco2 on nonkeratinized tissue surfaces without the heating effects produced by transcutaneous Pco2 sensors. This study of anesthetized dogs compared Pco2 measured at the palpebral conjunctiva (Pcjco2) with Paco2 and mixed venous (Pvco2) measurements during normovolemic normotension and hypovolemic hypotension. During the control period, the average Pcjco2 was 3 ± 1 (SEM) torr greater than Paco2 (r = 0.98) when the latter ranged from 20 to 80 torr. There was a close association (r = 0.94) between Pcjco2 and Paco2 when the cardiac index (CI) was greater than 2.0 L/minm. However, as CI decreased below this value, PCjCo2 and Paco2 were less well correlated (r = 0.69). Pcjco2 was closely associated with Pvco2 at all stages of the experiment, both above (r = 0.95) and below (r = 0.82) a CI of 2 L/min m. Fiberoptic conjunctival Pco2 monitoring seems promising as a noninvasive measure of physiologic status.</abstract><cop>Hagerstown, MD</cop><pub>Williams & Wilkins</pub><pmid>3080272</pmid><doi>10.1097/00003246-198602000-00013</doi><tpages>4</tpages></addata></record> |
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| ispartof | Critical care medicine, 1986-02, Vol.14 (2), p.138-141 |
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| language | eng |
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| source | MEDLINE; Journals@Ovid Complete |
| subjects | Anesthesia. Intensive care medicine. Transfusions. Cell therapy and gene therapy Animals Biological and medical sciences Blood Circulation Blood Pressure Carbon Dioxide - analysis Conjunctiva Dogs Emergency and intensive care: techniques, logistics Fiber Optic Technology - instrumentation Hypotension - metabolism Intensive care medicine Medical sciences Monitoring Shock - metabolism Shock, Hemorrhagic - metabolism |
| title | Noninvasive measurement of conjunctival PCO2 with a fiberoptic sensor |
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