High-frequency ventilation: Oscillatory dynamics
OBJECTIVES: DESIGN: SETTING: SUBJECTS: INTERVENTIONS: RESULTS: CONCLUSIONS:a) The delivered volume has to be monitored under clinical conditions; b) however, because the impedance of the endotracheal tube in general considerably exceeds the impedance of the lung, the influence of the impedance of th...
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| Veröffentlicht in: | Critical care medicine 1994-09, Vol.22 (9 SUPPL.), p.S58-S65 |
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| container_end_page | S65 |
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| container_issue | 9 SUPPL. |
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| container_title | Critical care medicine |
| container_volume | 22 |
| creator | Niederer, Peter F Leuthold, Rudolf Bush, Eric H Spahn, Donath R Schmid, Edith R |
| description | OBJECTIVES:
DESIGN:
SETTING:
SUBJECTS:
INTERVENTIONS:
RESULTS:
CONCLUSIONS:a) The delivered volume has to be monitored under clinical conditions; b) however, because the impedance of the endotracheal tube in general considerably exceeds the impedance of the lung, the influence of the impedance of the lung on the delivered volume is generally small, and thus an in vitro calibration may serve as a useful approximation; c) at least two independent quantities are needed for an adequate oscillatory control; d) a necessary (not necessarily sufficient) condition for adequate CO2 removal is that the delivered volume must exceed the machine-related deadspace; e) in a clinical environment involving extremely pathologic lung conditions, e.g., adult respiratory distress syndrome, mechanical lung characteristics may deviate substantially from those characteristics used in this study (i.e., the results obtained may not necessarily be applicable under all clinical situations). (Crit Care Med 1994; 22:S58-S65) |
| doi_str_mv | 10.1097/00003246-199422091-00005 |
| format | Article |
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DESIGN:
SETTING:
SUBJECTS:
INTERVENTIONS:
RESULTS:
CONCLUSIONS:a) The delivered volume has to be monitored under clinical conditions; b) however, because the impedance of the endotracheal tube in general considerably exceeds the impedance of the lung, the influence of the impedance of the lung on the delivered volume is generally small, and thus an in vitro calibration may serve as a useful approximation; c) at least two independent quantities are needed for an adequate oscillatory control; d) a necessary (not necessarily sufficient) condition for adequate CO2 removal is that the delivered volume must exceed the machine-related deadspace; e) in a clinical environment involving extremely pathologic lung conditions, e.g., adult respiratory distress syndrome, mechanical lung characteristics may deviate substantially from those characteristics used in this study (i.e., the results obtained may not necessarily be applicable under all clinical situations). (Crit Care Med 1994; 22:S58-S65)</description><identifier>ISSN: 0090-3493</identifier><identifier>EISSN: 1530-0293</identifier><identifier>DOI: 10.1097/00003246-199422091-00005</identifier><identifier>PMID: 8070271</identifier><language>eng</language><publisher>United States: Williams & Wilkins</publisher><subject>Animals ; Dogs ; High-Frequency Ventilation - instrumentation ; Lung - physiology ; Models, Biological ; Pulmonary Gas Exchange - physiology ; Space life sciences ; Tidal Volume</subject><ispartof>Critical care medicine, 1994-09, Vol.22 (9 SUPPL.), p.S58-S65</ispartof><rights>Williams & Wilkins 1994. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c3555-c4a53c6957ae12abf067d7682b5c1af8c9089c28a725b517dea33c7f677738743</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/8070271$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Niederer, Peter F</creatorcontrib><creatorcontrib>Leuthold, Rudolf</creatorcontrib><creatorcontrib>Bush, Eric H</creatorcontrib><creatorcontrib>Spahn, Donath R</creatorcontrib><creatorcontrib>Schmid, Edith R</creatorcontrib><title>High-frequency ventilation: Oscillatory dynamics</title><title>Critical care medicine</title><addtitle>Crit Care Med</addtitle><description>OBJECTIVES:
DESIGN:
SETTING:
SUBJECTS:
INTERVENTIONS:
RESULTS:
CONCLUSIONS:a) The delivered volume has to be monitored under clinical conditions; b) however, because the impedance of the endotracheal tube in general considerably exceeds the impedance of the lung, the influence of the impedance of the lung on the delivered volume is generally small, and thus an in vitro calibration may serve as a useful approximation; c) at least two independent quantities are needed for an adequate oscillatory control; d) a necessary (not necessarily sufficient) condition for adequate CO2 removal is that the delivered volume must exceed the machine-related deadspace; e) in a clinical environment involving extremely pathologic lung conditions, e.g., adult respiratory distress syndrome, mechanical lung characteristics may deviate substantially from those characteristics used in this study (i.e., the results obtained may not necessarily be applicable under all clinical situations). (Crit Care Med 1994; 22:S58-S65)</description><subject>Animals</subject><subject>Dogs</subject><subject>High-Frequency Ventilation - instrumentation</subject><subject>Lung - physiology</subject><subject>Models, Biological</subject><subject>Pulmonary Gas Exchange - physiology</subject><subject>Space life sciences</subject><subject>Tidal Volume</subject><issn>0090-3493</issn><issn>1530-0293</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1994</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1UctOwzAQtBColMInIOXEzbC249jmhiqgSJV6gbPlOA4N5FHshCp_j0tLb-xltTP7GM0ilBC4JaDEHcRgNM0wUSqlFBTBO4ifoCnhDDBQxU7RFEABZqli5-gihA8AknLBJmgiQQAVZIpgUb2vcend1-BaOybfru2r2vRV194nq2CrOhadH5NibE1T2XCJzkpTB3d1yDP09vT4Ol_g5er5Zf6wxJZxzrFNDWc2U1wYR6jJS8hEITJJc26JKaVVIJWl0gjKc05E4QxjVpSZEIJJkbIZutnv3fguagu9bqpgXZTTum4IWmQxgEFslPtG67sQvCv1xleN8aMmoHdm6T-z9NGsX4jH0evDjSFvXHEcPLgT-XTPb7u6dz581sPWeb12pu7X-r8fsB_VpnMc</recordid><startdate>199409</startdate><enddate>199409</enddate><creator>Niederer, Peter F</creator><creator>Leuthold, Rudolf</creator><creator>Bush, Eric H</creator><creator>Spahn, Donath R</creator><creator>Schmid, Edith R</creator><general>Williams & Wilkins</general><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>199409</creationdate><title>High-frequency ventilation: Oscillatory dynamics</title><author>Niederer, Peter F ; Leuthold, Rudolf ; Bush, Eric H ; Spahn, Donath R ; Schmid, Edith R</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c3555-c4a53c6957ae12abf067d7682b5c1af8c9089c28a725b517dea33c7f677738743</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1994</creationdate><topic>Animals</topic><topic>Dogs</topic><topic>High-Frequency Ventilation - instrumentation</topic><topic>Lung - physiology</topic><topic>Models, Biological</topic><topic>Pulmonary Gas Exchange - physiology</topic><topic>Space life sciences</topic><topic>Tidal Volume</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Niederer, Peter F</creatorcontrib><creatorcontrib>Leuthold, Rudolf</creatorcontrib><creatorcontrib>Bush, Eric H</creatorcontrib><creatorcontrib>Spahn, Donath R</creatorcontrib><creatorcontrib>Schmid, Edith R</creatorcontrib><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>Niederer, Peter F</au><au>Leuthold, Rudolf</au><au>Bush, Eric H</au><au>Spahn, Donath R</au><au>Schmid, Edith R</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High-frequency ventilation: Oscillatory dynamics</atitle><jtitle>Critical care medicine</jtitle><addtitle>Crit Care Med</addtitle><date>1994-09</date><risdate>1994</risdate><volume>22</volume><issue>9 SUPPL.</issue><spage>S58</spage><epage>S65</epage><pages>S58-S65</pages><issn>0090-3493</issn><eissn>1530-0293</eissn><abstract>OBJECTIVES:
DESIGN:
SETTING:
SUBJECTS:
INTERVENTIONS:
RESULTS:
CONCLUSIONS:a) The delivered volume has to be monitored under clinical conditions; b) however, because the impedance of the endotracheal tube in general considerably exceeds the impedance of the lung, the influence of the impedance of the lung on the delivered volume is generally small, and thus an in vitro calibration may serve as a useful approximation; c) at least two independent quantities are needed for an adequate oscillatory control; d) a necessary (not necessarily sufficient) condition for adequate CO2 removal is that the delivered volume must exceed the machine-related deadspace; e) in a clinical environment involving extremely pathologic lung conditions, e.g., adult respiratory distress syndrome, mechanical lung characteristics may deviate substantially from those characteristics used in this study (i.e., the results obtained may not necessarily be applicable under all clinical situations). (Crit Care Med 1994; 22:S58-S65)</abstract><cop>United States</cop><pub>Williams & Wilkins</pub><pmid>8070271</pmid><doi>10.1097/00003246-199422091-00005</doi></addata></record> |
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| identifier | ISSN: 0090-3493 |
| ispartof | Critical care medicine, 1994-09, Vol.22 (9 SUPPL.), p.S58-S65 |
| issn | 0090-3493 1530-0293 |
| language | eng |
| recordid | cdi_proquest_miscellaneous_76666030 |
| source | MEDLINE; Journals@Ovid Ovid Autoload |
| subjects | Animals Dogs High-Frequency Ventilation - instrumentation Lung - physiology Models, Biological Pulmonary Gas Exchange - physiology Space life sciences Tidal Volume |
| title | High-frequency ventilation: Oscillatory dynamics |
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