CHANGES IN LUNG VOLUME AND (PAO2–PaO2) DURING ANAESTHESIA
The theory, that the decrease in lung volume which occurs after induction of general anaesthesia is the cause of the higher (PAO2–PaO2) during anaesthesia, was examined in 18 patients. Lung volume was increased during anaesthesia by changing the posture of the patient to 30° head-up, but there was n...
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| Veröffentlicht in: | British journal of anaesthesia : BJA 1984-05, Vol.56 (5), p.437-445 |
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| container_title | British journal of anaesthesia : BJA |
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| creator | HENEGHAN, C.P.H. BERGMAN, N.A. JONES, J.G. |
| description | The theory, that the decrease in lung volume which occurs after induction of general anaesthesia is the cause of the higher (PAO2–PaO2) during anaesthesia, was examined in 18 patients. Lung volume was increased during anaesthesia by changing the posture of the patient to 30° head-up, but there was no improvement in (PAO2–PaO2). There were no correlations between change in (PAO2–PaO2) and in cardiac output between different postures. It is concluded that gas exchange is independent of change in lung volume during anaesthesia, at least over the range examined. It remains possible that restoration of lung volume to pre-anaesthetic values may not restore regional distribution of ventilation to pre-anaesthetic values. |
| doi_str_mv | 10.1093/bja/56.5.437 |
| format | Article |
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Lung volume was increased during anaesthesia by changing the posture of the patient to 30° head-up, but there was no improvement in (PAO2–PaO2). There were no correlations between change in (PAO2–PaO2) and in cardiac output between different postures. It is concluded that gas exchange is independent of change in lung volume during anaesthesia, at least over the range examined. It remains possible that restoration of lung volume to pre-anaesthetic values may not restore regional distribution of ventilation to pre-anaesthetic values.</description><identifier>ISSN: 0007-0912</identifier><identifier>EISSN: 1471-6771</identifier><identifier>DOI: 10.1093/bja/56.5.437</identifier><identifier>PMID: 6721956</identifier><language>eng</language><publisher>England: Elsevier Ltd</publisher><subject>Adolescent ; Adult ; Anesthesia, General ; Cardiac Output ; Expiratory Reserve Volume ; Female ; Humans ; Lung - physiology ; Male ; Middle Aged ; Oxygen - blood ; Partial Pressure ; Posture ; Pulmonary Gas Exchange ; Time Factors</subject><ispartof>British journal of anaesthesia : BJA, 1984-05, Vol.56 (5), p.437-445</ispartof><rights>1984</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c409t-b8057703218e5be79df5100214fcbbc7af23abfbad3c584f742af9ba943b2caa3</citedby></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/6721956$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>HENEGHAN, C.P.H.</creatorcontrib><creatorcontrib>BERGMAN, N.A.</creatorcontrib><creatorcontrib>JONES, J.G.</creatorcontrib><title>CHANGES IN LUNG VOLUME AND (PAO2–PaO2) DURING ANAESTHESIA</title><title>British journal of anaesthesia : BJA</title><addtitle>Br J Anaesth</addtitle><description>The theory, that the decrease in lung volume which occurs after induction of general anaesthesia is the cause of the higher (PAO2–PaO2) during anaesthesia, was examined in 18 patients. Lung volume was increased during anaesthesia by changing the posture of the patient to 30° head-up, but there was no improvement in (PAO2–PaO2). There were no correlations between change in (PAO2–PaO2) and in cardiac output between different postures. It is concluded that gas exchange is independent of change in lung volume during anaesthesia, at least over the range examined. It remains possible that restoration of lung volume to pre-anaesthetic values may not restore regional distribution of ventilation to pre-anaesthetic values.</description><subject>Adolescent</subject><subject>Adult</subject><subject>Anesthesia, General</subject><subject>Cardiac Output</subject><subject>Expiratory Reserve Volume</subject><subject>Female</subject><subject>Humans</subject><subject>Lung - physiology</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Oxygen - blood</subject><subject>Partial Pressure</subject><subject>Posture</subject><subject>Pulmonary Gas Exchange</subject><subject>Time Factors</subject><issn>0007-0912</issn><issn>1471-6771</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1984</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNptkMtKw0AYRgdRaq3u3ApZiYJp55LJJLgKbWwiNa29iLgZZiYTSO3NTCu68x18Q5_EkZauXP2Lc_j4OQCcI9hEMCQtORUt6jdp0yPsANSRx5DrM4YOQR1CyFwYInwMToyZQogYDmkN1HyGUUj9OrhtJ1HWjUdOmjm9SdZ1nvq9yUPsRFnHuRpEffzz9T0QfXztdCbD1PIoi-LROIlHaXQKjgoxM_psdxtgcheP24nb63fTdtRzlQfDtSsDSBmDBKNAU6lZmBcUQYiRVygpFRMFJkIWUuRE0cArmIdFEUoRekRiJQRpgMvt7qpavm20WfN5aZSezcRCLzeGBwj6kFBmxZutqKqlMZUu-Koq56L65Ajyv1bctuLU55TbVla_2O1u5Fzne3kXx3J3y0uz1h97LKpXqxBGefL8wu9p8NjO2JBj6_tbX9sY76WuuFGlXiidl5VWa54vy_8f-QXPrIFB</recordid><startdate>198405</startdate><enddate>198405</enddate><creator>HENEGHAN, C.P.H.</creator><creator>BERGMAN, N.A.</creator><creator>JONES, J.G.</creator><general>Elsevier Ltd</general><general>Oxford University Press</general><scope>6I.</scope><scope>AAFTH</scope><scope>BSCLL</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>198405</creationdate><title>CHANGES IN LUNG VOLUME AND (PAO2–PaO2) DURING ANAESTHESIA</title><author>HENEGHAN, C.P.H. ; BERGMAN, N.A. ; JONES, J.G.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c409t-b8057703218e5be79df5100214fcbbc7af23abfbad3c584f742af9ba943b2caa3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1984</creationdate><topic>Adolescent</topic><topic>Adult</topic><topic>Anesthesia, General</topic><topic>Cardiac Output</topic><topic>Expiratory Reserve Volume</topic><topic>Female</topic><topic>Humans</topic><topic>Lung - physiology</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Oxygen - blood</topic><topic>Partial Pressure</topic><topic>Posture</topic><topic>Pulmonary Gas Exchange</topic><topic>Time Factors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HENEGHAN, C.P.H.</creatorcontrib><creatorcontrib>BERGMAN, N.A.</creatorcontrib><creatorcontrib>JONES, J.G.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Istex</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>British journal of anaesthesia : BJA</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HENEGHAN, C.P.H.</au><au>BERGMAN, N.A.</au><au>JONES, J.G.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>CHANGES IN LUNG VOLUME AND (PAO2–PaO2) DURING ANAESTHESIA</atitle><jtitle>British journal of anaesthesia : BJA</jtitle><addtitle>Br J Anaesth</addtitle><date>1984-05</date><risdate>1984</risdate><volume>56</volume><issue>5</issue><spage>437</spage><epage>445</epage><pages>437-445</pages><issn>0007-0912</issn><eissn>1471-6771</eissn><abstract>The theory, that the decrease in lung volume which occurs after induction of general anaesthesia is the cause of the higher (PAO2–PaO2) during anaesthesia, was examined in 18 patients. 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| identifier | ISSN: 0007-0912 |
| ispartof | British journal of anaesthesia : BJA, 1984-05, Vol.56 (5), p.437-445 |
| issn | 0007-0912 1471-6771 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_81060357 |
| source | MEDLINE; EZB-FREE-00999 freely available EZB journals; Alma/SFX Local Collection; Oxford University Press Journals Digital Archive Legacy |
| subjects | Adolescent Adult Anesthesia, General Cardiac Output Expiratory Reserve Volume Female Humans Lung - physiology Male Middle Aged Oxygen - blood Partial Pressure Posture Pulmonary Gas Exchange Time Factors |
| title | CHANGES IN LUNG VOLUME AND (PAO2–PaO2) DURING ANAESTHESIA |
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