Intrapulmonary and extrapulmonary shunt in ducks
We measured shunt in seven anesthetized, mechanically ventilated Pekin ducks by the multiple inert gas elimination technique (MIGET) and by the oxygen method during 100% O 2 breathing (O 2 shunt). MIGET shunt measures only intrapulmonary shunt bu O 2 shunt measures intra- and extrapulmonary shunt (...
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| Veröffentlicht in: | Respiration physiology 1986-02, Vol.63 (2), p.151-160 |
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| creator | Bickler, Philip E. Maginniss, Leigh A. Powell, Frank L. |
| description | We measured shunt in seven anesthetized, mechanically ventilated Pekin ducks by the multiple inert gas elimination technique (MIGET) and by the oxygen method during 100% O
2 breathing (O
2 shunt). MIGET shunt measures only intrapulmonary shunt bu O
2 shunt measures intra- and extrapulmonary shunt (
e.g. bronchial drainage). O
2 shunt was calcualted from oxygen contents of blood estimated from measured P
O
2
and standard O
2 equilibrium curves at appropriate pH and hematocrit measured in 4 other ducks. In normal lungs MIGET shunt was 1.3 ±_0.4 (mean ± SEM) percent of cardiac output and O
2 shunt was 6.3 ±_1.3%. O
2 shunt exceeded MIGET shunt by 5.4 ± 1.4% which we attribute to extrapulmonary shunts. These include part of the bronchiat circulation, thebesian veins and vertebral venous-pulmonary circulation connections. Both MIGET and O
2 shunts increased when water was introduced into the lungs. Overall, the relationship between % MIGET shunt and %O
2 shunt was described by teh equation: O
2 shunt = 0.86·MIGET + 5.67 (r = 0.96, n = 24). |
| doi_str_mv | 10.1016/0034-5687(86)90110-6 |
| format | Article |
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2 breathing (O
2 shunt). MIGET shunt measures only intrapulmonary shunt bu O
2 shunt measures intra- and extrapulmonary shunt (
e.g. bronchial drainage). O
2 shunt was calcualted from oxygen contents of blood estimated from measured P
O
2
and standard O
2 equilibrium curves at appropriate pH and hematocrit measured in 4 other ducks. In normal lungs MIGET shunt was 1.3 ±_0.4 (mean ± SEM) percent of cardiac output and O
2 shunt was 6.3 ±_1.3%. O
2 shunt exceeded MIGET shunt by 5.4 ± 1.4% which we attribute to extrapulmonary shunts. These include part of the bronchiat circulation, thebesian veins and vertebral venous-pulmonary circulation connections. Both MIGET and O
2 shunts increased when water was introduced into the lungs. Overall, the relationship between % MIGET shunt and %O
2 shunt was described by teh equation: O
2 shunt = 0.86·MIGET + 5.67 (r = 0.96, n = 24).</description><identifier>ISSN: 0034-5687</identifier><identifier>DOI: 10.1016/0034-5687(86)90110-6</identifier><identifier>PMID: 3008284</identifier><identifier>CODEN: RSPYAK</identifier><language>eng</language><publisher>Shannon: Elsevier B.V</publisher><subject>Animals ; Biological and medical sciences ; Blood gas. Hemoglobin. Myoglobin. Hemotissulary gas exchange. Acid-base balance ; Bronchial circulation ; Cross-current gas exchange ; Ducks - physiology ; Fundamental and applied biological sciences. Psychology ; Lung - physiology ; Noble Gases ; Oxygen - blood ; Oxygen equilibrium curve ; Pulmonary Gas Exchange ; Respiration ; Respiration, Artificial ; Thebesian viens ; Ventilation-perfusion inequality ; Vertebral veins ; Vertebrates: respiratory system</subject><ispartof>Respiration physiology, 1986-02, Vol.63 (2), p.151-160</ispartof><rights>1986</rights><rights>1986 INIST-CNRS</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c386t-364c6239978802dbfa8ee3953d43d4df78805fe3645ce455909763b9e7f5c6393</citedby><cites>FETCH-LOGICAL-c386t-364c6239978802dbfa8ee3953d43d4df78805fe3645ce455909763b9e7f5c6393</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=8674931$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/3008284$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Bickler, Philip E.</creatorcontrib><creatorcontrib>Maginniss, Leigh A.</creatorcontrib><creatorcontrib>Powell, Frank L.</creatorcontrib><title>Intrapulmonary and extrapulmonary shunt in ducks</title><title>Respiration physiology</title><addtitle>Respir Physiol</addtitle><description>We measured shunt in seven anesthetized, mechanically ventilated Pekin ducks by the multiple inert gas elimination technique (MIGET) and by the oxygen method during 100% O
2 breathing (O
2 shunt). MIGET shunt measures only intrapulmonary shunt bu O
2 shunt measures intra- and extrapulmonary shunt (
e.g. bronchial drainage). O
2 shunt was calcualted from oxygen contents of blood estimated from measured P
O
2
and standard O
2 equilibrium curves at appropriate pH and hematocrit measured in 4 other ducks. In normal lungs MIGET shunt was 1.3 ±_0.4 (mean ± SEM) percent of cardiac output and O
2 shunt was 6.3 ±_1.3%. O
2 shunt exceeded MIGET shunt by 5.4 ± 1.4% which we attribute to extrapulmonary shunts. These include part of the bronchiat circulation, thebesian veins and vertebral venous-pulmonary circulation connections. Both MIGET and O
2 shunts increased when water was introduced into the lungs. Overall, the relationship between % MIGET shunt and %O
2 shunt was described by teh equation: O
2 shunt = 0.86·MIGET + 5.67 (r = 0.96, n = 24).</description><subject>Animals</subject><subject>Biological and medical sciences</subject><subject>Blood gas. Hemoglobin. Myoglobin. Hemotissulary gas exchange. Acid-base balance</subject><subject>Bronchial circulation</subject><subject>Cross-current gas exchange</subject><subject>Ducks - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Lung - physiology</subject><subject>Noble Gases</subject><subject>Oxygen - blood</subject><subject>Oxygen equilibrium curve</subject><subject>Pulmonary Gas Exchange</subject><subject>Respiration</subject><subject>Respiration, Artificial</subject><subject>Thebesian viens</subject><subject>Ventilation-perfusion inequality</subject><subject>Vertebral veins</subject><subject>Vertebrates: respiratory system</subject><issn>0034-5687</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1986</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp9kE1LxDAQhnNQ1nX1Hyj0IKKHatqk-bgIsvixsOBFzyGbTDHaTdekFf33pm5Z8CIEhrzzzDA8CJ0U-KrABbvGmNC8YoJfCHYpcVHgnO2h6S4-QIcxvuH0Z5hN0IRgLEpBpwgvfBf0pm_WrdfhO9PeZvD1J4qvve8y5zPbm_d4hPZr3UQ4HusMvdzfPc8f8-XTw2J-u8wNEazLCaOGlURKLgQu7arWAoDIilianq2HuKohYZUBWlUSS87ISgKvK8OIJDN0vt27Ce1HD7FTaxcNNI320PZRccZ5SSuWQLoFTWhjDFCrTXDrdLgqsBrkqMGCGiwowdSvHDWMnY77-9Ua7G5oNJP6Z2NfR6ObOmhvXNxhgnEqSZGwmy0GycWng6CiceANWBfAdMq27v87fgChB4DX</recordid><startdate>19860201</startdate><enddate>19860201</enddate><creator>Bickler, Philip E.</creator><creator>Maginniss, Leigh A.</creator><creator>Powell, Frank L.</creator><general>Elsevier B.V</general><general>Elsevier</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>19860201</creationdate><title>Intrapulmonary and extrapulmonary shunt in ducks</title><author>Bickler, Philip E. ; Maginniss, Leigh A. ; Powell, Frank L.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c386t-364c6239978802dbfa8ee3953d43d4df78805fe3645ce455909763b9e7f5c6393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1986</creationdate><topic>Animals</topic><topic>Biological and medical sciences</topic><topic>Blood gas. Hemoglobin. Myoglobin. Hemotissulary gas exchange. Acid-base balance</topic><topic>Bronchial circulation</topic><topic>Cross-current gas exchange</topic><topic>Ducks - physiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Lung - physiology</topic><topic>Noble Gases</topic><topic>Oxygen - blood</topic><topic>Oxygen equilibrium curve</topic><topic>Pulmonary Gas Exchange</topic><topic>Respiration</topic><topic>Respiration, Artificial</topic><topic>Thebesian viens</topic><topic>Ventilation-perfusion inequality</topic><topic>Vertebral veins</topic><topic>Vertebrates: respiratory system</topic><toplevel>online_resources</toplevel><creatorcontrib>Bickler, Philip E.</creatorcontrib><creatorcontrib>Maginniss, Leigh A.</creatorcontrib><creatorcontrib>Powell, Frank L.</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>Respiration physiology</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Bickler, Philip E.</au><au>Maginniss, Leigh A.</au><au>Powell, Frank L.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intrapulmonary and extrapulmonary shunt in ducks</atitle><jtitle>Respiration physiology</jtitle><addtitle>Respir Physiol</addtitle><date>1986-02-01</date><risdate>1986</risdate><volume>63</volume><issue>2</issue><spage>151</spage><epage>160</epage><pages>151-160</pages><issn>0034-5687</issn><coden>RSPYAK</coden><abstract>We measured shunt in seven anesthetized, mechanically ventilated Pekin ducks by the multiple inert gas elimination technique (MIGET) and by the oxygen method during 100% O
2 breathing (O
2 shunt). MIGET shunt measures only intrapulmonary shunt bu O
2 shunt measures intra- and extrapulmonary shunt (
e.g. bronchial drainage). O
2 shunt was calcualted from oxygen contents of blood estimated from measured P
O
2
and standard O
2 equilibrium curves at appropriate pH and hematocrit measured in 4 other ducks. In normal lungs MIGET shunt was 1.3 ±_0.4 (mean ± SEM) percent of cardiac output and O
2 shunt was 6.3 ±_1.3%. O
2 shunt exceeded MIGET shunt by 5.4 ± 1.4% which we attribute to extrapulmonary shunts. These include part of the bronchiat circulation, thebesian veins and vertebral venous-pulmonary circulation connections. Both MIGET and O
2 shunts increased when water was introduced into the lungs. Overall, the relationship between % MIGET shunt and %O
2 shunt was described by teh equation: O
2 shunt = 0.86·MIGET + 5.67 (r = 0.96, n = 24).</abstract><cop>Shannon</cop><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>3008284</pmid><doi>10.1016/0034-5687(86)90110-6</doi><tpages>10</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Respiration physiology, 1986-02, Vol.63 (2), p.151-160 |
| issn | 0034-5687 |
| language | eng |
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| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Animals Biological and medical sciences Blood gas. Hemoglobin. Myoglobin. Hemotissulary gas exchange. Acid-base balance Bronchial circulation Cross-current gas exchange Ducks - physiology Fundamental and applied biological sciences. Psychology Lung - physiology Noble Gases Oxygen - blood Oxygen equilibrium curve Pulmonary Gas Exchange Respiration Respiration, Artificial Thebesian viens Ventilation-perfusion inequality Vertebral veins Vertebrates: respiratory system |
| title | Intrapulmonary and extrapulmonary shunt in ducks |
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