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Variability of electrophrenic diaphragm twitch stimulation over time in normal subjects
Transcutaneous electrophrenic twitch stimulation is a potentially powerful way to assess diaphragm contractile function in response to interventions which may alter respiratory muscle strength and endurance. At present, the variability of the transdiaphragmatic twitch pressure (Pdi T) over a several...
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| Published in: | Respiration physiology 1999-10, Vol.118 (1), p.39-47 |
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| Main Authors: | , , , , |
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| Language: | English |
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| cites | cdi_FETCH-LOGICAL-c390t-b53b5e0981c2762c5c90cd15db969968f1883edac0184956cf2c3efe705e6593 |
| container_end_page | 47 |
| container_issue | 1 |
| container_start_page | 39 |
| container_title | Respiration physiology |
| container_volume | 118 |
| creator | Criner, Gerard J Travaline, John M Holt, Greg A Bosse, Christopher G Kelsen, Steven G |
| description | Transcutaneous electrophrenic twitch stimulation is a potentially powerful way to assess diaphragm contractile function in response to interventions which may alter respiratory muscle strength and endurance. At present, the variability of the transdiaphragmatic twitch pressure (Pdi
T) over a several hour period is not well described. The present study examines the reproducibility of Pdi
T amplitude and the twitch occlusion technique of assessing maximum transdiaphragmatic pressure (Pdi
max) in seven normal adults stimulated intermittently every hour for a total 4-h period. In one subject, data were obtained on two occasions separated by a 2-month interval. Among all subjects, the Pdi
T amplitude expressed as a percentage of the Pdi
max was highly reproducible over 4 h (coefficient of variation 5.3). Peak Pdi
T was inversely related to graded voluntary Pdi (
r=−0.0996) and the relationship was virtually identical over 4 h (
r=−0.999,
P=0.96). These data show that Pdi
T at functional residual capacity and the twitch occlusion relationship are highly reproducible. |
| doi_str_mv | 10.1016/S0034-5687(99)00057-2 |
| format | article |
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T) over a several hour period is not well described. The present study examines the reproducibility of Pdi
T amplitude and the twitch occlusion technique of assessing maximum transdiaphragmatic pressure (Pdi
max) in seven normal adults stimulated intermittently every hour for a total 4-h period. In one subject, data were obtained on two occasions separated by a 2-month interval. Among all subjects, the Pdi
T amplitude expressed as a percentage of the Pdi
max was highly reproducible over 4 h (coefficient of variation 5.3). Peak Pdi
T was inversely related to graded voluntary Pdi (
r=−0.0996) and the relationship was virtually identical over 4 h (
r=−0.999,
P=0.96). These data show that Pdi
T at functional residual capacity and the twitch occlusion relationship are highly reproducible.</description><identifier>ISSN: 0034-5687</identifier><identifier>DOI: 10.1016/S0034-5687(99)00057-2</identifier><identifier>PMID: 10568418</identifier><identifier>CODEN: RSPYAK</identifier><language>eng</language><publisher>Shannon: Elsevier B.V</publisher><subject>Adult ; Air breathing ; Biological and medical sciences ; Diaphragm - innervation ; Diaphragm - physiology ; Electric Stimulation - instrumentation ; Electric Stimulation - methods ; Fundamental and applied biological sciences. Psychology ; Humans ; Male ; Mammals, humans ; Methods, transcutaneous electrophrenic twitch stimulation ; Muscle, diaphragm, transcutaneous stimulation ; Phrenic Nerve - physiology ; Pressure, transdiaphragmatic ; Reference Values ; Reproducibility of Results ; Respiratory system: anatomy, metabolism, gas exchange, ventilatory mechanics, respiratory hemodynamics ; Skin - innervation ; Vertebrates: respiratory system</subject><ispartof>Respiration physiology, 1999-10, Vol.118 (1), p.39-47</ispartof><rights>1999 Elsevier Science B.V.</rights><rights>1999 INIST-CNRS</rights><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c390t-b53b5e0981c2762c5c90cd15db969968f1883edac0184956cf2c3efe705e6593</citedby><cites>FETCH-LOGICAL-c390t-b53b5e0981c2762c5c90cd15db969968f1883edac0184956cf2c3efe705e6593</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,27924,27925</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=1983633$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/10568418$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Criner, Gerard J</creatorcontrib><creatorcontrib>Travaline, John M</creatorcontrib><creatorcontrib>Holt, Greg A</creatorcontrib><creatorcontrib>Bosse, Christopher G</creatorcontrib><creatorcontrib>Kelsen, Steven G</creatorcontrib><title>Variability of electrophrenic diaphragm twitch stimulation over time in normal subjects</title><title>Respiration physiology</title><addtitle>Respir Physiol</addtitle><description>Transcutaneous electrophrenic twitch stimulation is a potentially powerful way to assess diaphragm contractile function in response to interventions which may alter respiratory muscle strength and endurance. At present, the variability of the transdiaphragmatic twitch pressure (Pdi
T) over a several hour period is not well described. The present study examines the reproducibility of Pdi
T amplitude and the twitch occlusion technique of assessing maximum transdiaphragmatic pressure (Pdi
max) in seven normal adults stimulated intermittently every hour for a total 4-h period. In one subject, data were obtained on two occasions separated by a 2-month interval. Among all subjects, the Pdi
T amplitude expressed as a percentage of the Pdi
max was highly reproducible over 4 h (coefficient of variation 5.3). Peak Pdi
T was inversely related to graded voluntary Pdi (
r=−0.0996) and the relationship was virtually identical over 4 h (
r=−0.999,
P=0.96). These data show that Pdi
T at functional residual capacity and the twitch occlusion relationship are highly reproducible.</description><subject>Adult</subject><subject>Air breathing</subject><subject>Biological and medical sciences</subject><subject>Diaphragm - innervation</subject><subject>Diaphragm - physiology</subject><subject>Electric Stimulation - instrumentation</subject><subject>Electric Stimulation - methods</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Humans</subject><subject>Male</subject><subject>Mammals, humans</subject><subject>Methods, transcutaneous electrophrenic twitch stimulation</subject><subject>Muscle, diaphragm, transcutaneous stimulation</subject><subject>Phrenic Nerve - physiology</subject><subject>Pressure, transdiaphragmatic</subject><subject>Reference Values</subject><subject>Reproducibility of Results</subject><subject>Respiratory system: anatomy, metabolism, gas exchange, ventilatory mechanics, respiratory hemodynamics</subject><subject>Skin - innervation</subject><subject>Vertebrates: respiratory system</subject><issn>0034-5687</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1999</creationdate><recordtype>article</recordtype><recordid>eNqFkEtPxCAQgDlofP8EDQdj9FCFsrBwMsb4Skw8aPRI6HSqmLas0Gr897LuRr15Gmb45pGPkF3Ojjnj6uSeMTEppNLTQ2OOGGNyWpQrZOOnvE42U3rNH0IxtUbWOcvVCdcb5OnRRe8q3_rhk4aGYoswxDB7idh7oLV3-emeOzp8-AFeaBp8N7Zu8KGn4R0jzTlS39M-xM61NI3Va56Qtslq49qEO8u4RR4uLx7Or4vbu6ub87PbAoRhQ1FJUUlkRnMop6oECYZBzWVdGWWM0g3XWmDtgHE9MVJBU4LABqdMopJGbJGDxdhZDG8jpsF2PgG2resxjMkqU2pVGpFBuQAhhpQiNnYWfefip-XMziXab4l2bssaY78l2jL37S0XjFWH9Z-uhcEM7C8Bl8C1TXQ9-PTLGS2UmO8_XWCYZbx7jDaBxx6w9jH7snXw_1zyBaIUkVQ</recordid><startdate>19991015</startdate><enddate>19991015</enddate><creator>Criner, Gerard J</creator><creator>Travaline, John M</creator><creator>Holt, Greg A</creator><creator>Bosse, Christopher G</creator><creator>Kelsen, Steven G</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>19991015</creationdate><title>Variability of electrophrenic diaphragm twitch stimulation over time in normal subjects</title><author>Criner, Gerard J ; Travaline, John M ; Holt, Greg A ; Bosse, Christopher G ; Kelsen, Steven G</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c390t-b53b5e0981c2762c5c90cd15db969968f1883edac0184956cf2c3efe705e6593</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1999</creationdate><topic>Adult</topic><topic>Air breathing</topic><topic>Biological and medical sciences</topic><topic>Diaphragm - innervation</topic><topic>Diaphragm - physiology</topic><topic>Electric Stimulation - instrumentation</topic><topic>Electric Stimulation - methods</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Humans</topic><topic>Male</topic><topic>Mammals, humans</topic><topic>Methods, transcutaneous electrophrenic twitch stimulation</topic><topic>Muscle, diaphragm, transcutaneous stimulation</topic><topic>Phrenic Nerve - physiology</topic><topic>Pressure, transdiaphragmatic</topic><topic>Reference Values</topic><topic>Reproducibility of Results</topic><topic>Respiratory system: anatomy, metabolism, gas exchange, ventilatory mechanics, respiratory hemodynamics</topic><topic>Skin - innervation</topic><topic>Vertebrates: respiratory system</topic><toplevel>online_resources</toplevel><creatorcontrib>Criner, Gerard J</creatorcontrib><creatorcontrib>Travaline, John M</creatorcontrib><creatorcontrib>Holt, Greg A</creatorcontrib><creatorcontrib>Bosse, Christopher G</creatorcontrib><creatorcontrib>Kelsen, Steven G</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>Criner, Gerard J</au><au>Travaline, John M</au><au>Holt, Greg A</au><au>Bosse, Christopher G</au><au>Kelsen, Steven G</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Variability of electrophrenic diaphragm twitch stimulation over time in normal subjects</atitle><jtitle>Respiration physiology</jtitle><addtitle>Respir Physiol</addtitle><date>1999-10-15</date><risdate>1999</risdate><volume>118</volume><issue>1</issue><spage>39</spage><epage>47</epage><pages>39-47</pages><issn>0034-5687</issn><coden>RSPYAK</coden><abstract>Transcutaneous electrophrenic twitch stimulation is a potentially powerful way to assess diaphragm contractile function in response to interventions which may alter respiratory muscle strength and endurance. At present, the variability of the transdiaphragmatic twitch pressure (Pdi
T) over a several hour period is not well described. The present study examines the reproducibility of Pdi
T amplitude and the twitch occlusion technique of assessing maximum transdiaphragmatic pressure (Pdi
max) in seven normal adults stimulated intermittently every hour for a total 4-h period. In one subject, data were obtained on two occasions separated by a 2-month interval. Among all subjects, the Pdi
T amplitude expressed as a percentage of the Pdi
max was highly reproducible over 4 h (coefficient of variation 5.3). Peak Pdi
T was inversely related to graded voluntary Pdi (
r=−0.0996) and the relationship was virtually identical over 4 h (
r=−0.999,
P=0.96). These data show that Pdi
T at functional residual capacity and the twitch occlusion relationship are highly reproducible.</abstract><cop>Shannon</cop><cop>Amsterdam</cop><pub>Elsevier B.V</pub><pmid>10568418</pmid><doi>10.1016/S0034-5687(99)00057-2</doi><tpages>9</tpages></addata></record> |
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| ispartof | Respiration physiology, 1999-10, Vol.118 (1), p.39-47 |
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| language | eng |
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| source | Elsevier |
| subjects | Adult Air breathing Biological and medical sciences Diaphragm - innervation Diaphragm - physiology Electric Stimulation - instrumentation Electric Stimulation - methods Fundamental and applied biological sciences. Psychology Humans Male Mammals, humans Methods, transcutaneous electrophrenic twitch stimulation Muscle, diaphragm, transcutaneous stimulation Phrenic Nerve - physiology Pressure, transdiaphragmatic Reference Values Reproducibility of Results Respiratory system: anatomy, metabolism, gas exchange, ventilatory mechanics, respiratory hemodynamics Skin - innervation Vertebrates: respiratory system |
| title | Variability of electrophrenic diaphragm twitch stimulation over time in normal subjects |
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