Impact of Airway Gas Exchange on the Multiple Inert Gas Elimination Technique: Theory
Abstract The multiple inert gas elimination technique (MIGET) provides a method for estimating alveolar gas exchange efficiency. Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical mo...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Anderson, Joseph C. [verfasserIn] Hlastala, Michael P. [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2010 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Annals of biomedical engineering - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972, 38(2010), 3 vom: 08. Jan., Seite 1017-1030 |
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| Übergeordnetes Werk: |
volume:38 ; year:2010 ; number:3 ; day:08 ; month:01 ; pages:1017-1030 |
| Links: |
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| DOI / URN: |
10.1007/s10439-009-9884-x |
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| Katalog-ID: |
SPR010047298 |
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| 520 | |a Abstract The multiple inert gas elimination technique (MIGET) provides a method for estimating alveolar gas exchange efficiency. Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical model of alveolar gas exchange (MIGET model) that neglects airway gas exchange. A mathematical model describing airway and alveolar gas exchange predicts that two of these gases, ether and acetone, exchange primarily within the airways. To determine the effect of airway gas exchange on the MIGET, we selected two additional gases, toluene and m-dichlorobenzene, that have the same blood solubility as ether and acetone and minimize airway gas exchange via their low water solubility. The airway-alveolar gas exchange model simulated the exchange of toluene, m-dichlorobenzene, and the six MIGET gases under multiple conditions of alveolar ventilation-to-perfusion, %$ \dot{V}_{\text{A}} /\dot{Q} %$, heterogeneity. We increased the importance of airway gas exchange by changing bronchial blood flow, %$ \dot{Q}_{\text{br}} %$. From these simulations, we calculated the excretion and retention of the eight inert gases and divided the results into two groups: (1) the standard MIGET gases which included acetone and ether and (2) the modified MIGET gases which included toluene and m-dichlorobenzene. The MIGET mathematical model predicted distributions of ventilation and perfusion for each grouping of gases and multiple perturbations of %$ \dot{V}_{\text{A}} /\dot{Q} %$ and %$ \dot{Q}_{\text{br}} %$. Using the modified MIGET gases, MIGET predicted a smaller dead space fraction, greater mean %$ \dot{V}_{\text{A}} %$, greater log($ SD_{VA} $), and more closely matched the imposed %$ \dot{V}_{\text{A}} %$ distribution than that using the standard MIGET gases. Perfusion distributions were relatively unaffected. | ||
| 650 | 4 | |a Mathematical model |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Bronchial circulation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Alveolar heterogeneity |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Ventilation |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Perfusion |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Hlastala, Michael P. |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Annals of biomedical engineering |d Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 |g 38(2010), 3 vom: 08. Jan., Seite 1017-1030 |w (DE-627)270424792 |w (DE-600)1477155-X |x 1573-9686 |7 nnns |
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10.1007/s10439-009-9884-x doi (DE-627)SPR010047298 (SPR)s10439-009-9884-x-e DE-627 ger DE-627 rakwb eng 610 ASE 44.09 bkl Anderson, Joseph C. verfasserin aut Impact of Airway Gas Exchange on the Multiple Inert Gas Elimination Technique: Theory 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The multiple inert gas elimination technique (MIGET) provides a method for estimating alveolar gas exchange efficiency. Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical model of alveolar gas exchange (MIGET model) that neglects airway gas exchange. A mathematical model describing airway and alveolar gas exchange predicts that two of these gases, ether and acetone, exchange primarily within the airways. To determine the effect of airway gas exchange on the MIGET, we selected two additional gases, toluene and m-dichlorobenzene, that have the same blood solubility as ether and acetone and minimize airway gas exchange via their low water solubility. The airway-alveolar gas exchange model simulated the exchange of toluene, m-dichlorobenzene, and the six MIGET gases under multiple conditions of alveolar ventilation-to-perfusion, %$ \dot{V}_{\text{A}} /\dot{Q} %$, heterogeneity. We increased the importance of airway gas exchange by changing bronchial blood flow, %$ \dot{Q}_{\text{br}} %$. From these simulations, we calculated the excretion and retention of the eight inert gases and divided the results into two groups: (1) the standard MIGET gases which included acetone and ether and (2) the modified MIGET gases which included toluene and m-dichlorobenzene. The MIGET mathematical model predicted distributions of ventilation and perfusion for each grouping of gases and multiple perturbations of %$ \dot{V}_{\text{A}} /\dot{Q} %$ and %$ \dot{Q}_{\text{br}} %$. Using the modified MIGET gases, MIGET predicted a smaller dead space fraction, greater mean %$ \dot{V}_{\text{A}} %$, greater log($ SD_{VA} $), and more closely matched the imposed %$ \dot{V}_{\text{A}} %$ distribution than that using the standard MIGET gases. Perfusion distributions were relatively unaffected. Mathematical model (dpeaa)DE-He213 Bronchial circulation (dpeaa)DE-He213 Alveolar heterogeneity (dpeaa)DE-He213 Ventilation (dpeaa)DE-He213 Perfusion (dpeaa)DE-He213 Hlastala, Michael P. verfasserin aut Enthalten in Annals of biomedical engineering Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 38(2010), 3 vom: 08. Jan., Seite 1017-1030 (DE-627)270424792 (DE-600)1477155-X 1573-9686 nnns volume:38 year:2010 number:3 day:08 month:01 pages:1017-1030 https://dx.doi.org/10.1007/s10439-009-9884-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.09 ASE AR 38 2010 3 08 01 1017-1030 |
| spelling |
10.1007/s10439-009-9884-x doi (DE-627)SPR010047298 (SPR)s10439-009-9884-x-e DE-627 ger DE-627 rakwb eng 610 ASE 44.09 bkl Anderson, Joseph C. verfasserin aut Impact of Airway Gas Exchange on the Multiple Inert Gas Elimination Technique: Theory 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The multiple inert gas elimination technique (MIGET) provides a method for estimating alveolar gas exchange efficiency. Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical model of alveolar gas exchange (MIGET model) that neglects airway gas exchange. A mathematical model describing airway and alveolar gas exchange predicts that two of these gases, ether and acetone, exchange primarily within the airways. To determine the effect of airway gas exchange on the MIGET, we selected two additional gases, toluene and m-dichlorobenzene, that have the same blood solubility as ether and acetone and minimize airway gas exchange via their low water solubility. The airway-alveolar gas exchange model simulated the exchange of toluene, m-dichlorobenzene, and the six MIGET gases under multiple conditions of alveolar ventilation-to-perfusion, %$ \dot{V}_{\text{A}} /\dot{Q} %$, heterogeneity. We increased the importance of airway gas exchange by changing bronchial blood flow, %$ \dot{Q}_{\text{br}} %$. From these simulations, we calculated the excretion and retention of the eight inert gases and divided the results into two groups: (1) the standard MIGET gases which included acetone and ether and (2) the modified MIGET gases which included toluene and m-dichlorobenzene. The MIGET mathematical model predicted distributions of ventilation and perfusion for each grouping of gases and multiple perturbations of %$ \dot{V}_{\text{A}} /\dot{Q} %$ and %$ \dot{Q}_{\text{br}} %$. Using the modified MIGET gases, MIGET predicted a smaller dead space fraction, greater mean %$ \dot{V}_{\text{A}} %$, greater log($ SD_{VA} $), and more closely matched the imposed %$ \dot{V}_{\text{A}} %$ distribution than that using the standard MIGET gases. Perfusion distributions were relatively unaffected. Mathematical model (dpeaa)DE-He213 Bronchial circulation (dpeaa)DE-He213 Alveolar heterogeneity (dpeaa)DE-He213 Ventilation (dpeaa)DE-He213 Perfusion (dpeaa)DE-He213 Hlastala, Michael P. verfasserin aut Enthalten in Annals of biomedical engineering Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 38(2010), 3 vom: 08. Jan., Seite 1017-1030 (DE-627)270424792 (DE-600)1477155-X 1573-9686 nnns volume:38 year:2010 number:3 day:08 month:01 pages:1017-1030 https://dx.doi.org/10.1007/s10439-009-9884-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.09 ASE AR 38 2010 3 08 01 1017-1030 |
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10.1007/s10439-009-9884-x doi (DE-627)SPR010047298 (SPR)s10439-009-9884-x-e DE-627 ger DE-627 rakwb eng 610 ASE 44.09 bkl Anderson, Joseph C. verfasserin aut Impact of Airway Gas Exchange on the Multiple Inert Gas Elimination Technique: Theory 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The multiple inert gas elimination technique (MIGET) provides a method for estimating alveolar gas exchange efficiency. Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical model of alveolar gas exchange (MIGET model) that neglects airway gas exchange. A mathematical model describing airway and alveolar gas exchange predicts that two of these gases, ether and acetone, exchange primarily within the airways. To determine the effect of airway gas exchange on the MIGET, we selected two additional gases, toluene and m-dichlorobenzene, that have the same blood solubility as ether and acetone and minimize airway gas exchange via their low water solubility. The airway-alveolar gas exchange model simulated the exchange of toluene, m-dichlorobenzene, and the six MIGET gases under multiple conditions of alveolar ventilation-to-perfusion, %$ \dot{V}_{\text{A}} /\dot{Q} %$, heterogeneity. We increased the importance of airway gas exchange by changing bronchial blood flow, %$ \dot{Q}_{\text{br}} %$. From these simulations, we calculated the excretion and retention of the eight inert gases and divided the results into two groups: (1) the standard MIGET gases which included acetone and ether and (2) the modified MIGET gases which included toluene and m-dichlorobenzene. The MIGET mathematical model predicted distributions of ventilation and perfusion for each grouping of gases and multiple perturbations of %$ \dot{V}_{\text{A}} /\dot{Q} %$ and %$ \dot{Q}_{\text{br}} %$. Using the modified MIGET gases, MIGET predicted a smaller dead space fraction, greater mean %$ \dot{V}_{\text{A}} %$, greater log($ SD_{VA} $), and more closely matched the imposed %$ \dot{V}_{\text{A}} %$ distribution than that using the standard MIGET gases. Perfusion distributions were relatively unaffected. Mathematical model (dpeaa)DE-He213 Bronchial circulation (dpeaa)DE-He213 Alveolar heterogeneity (dpeaa)DE-He213 Ventilation (dpeaa)DE-He213 Perfusion (dpeaa)DE-He213 Hlastala, Michael P. verfasserin aut Enthalten in Annals of biomedical engineering Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 38(2010), 3 vom: 08. Jan., Seite 1017-1030 (DE-627)270424792 (DE-600)1477155-X 1573-9686 nnns volume:38 year:2010 number:3 day:08 month:01 pages:1017-1030 https://dx.doi.org/10.1007/s10439-009-9884-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.09 ASE AR 38 2010 3 08 01 1017-1030 |
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10.1007/s10439-009-9884-x doi (DE-627)SPR010047298 (SPR)s10439-009-9884-x-e DE-627 ger DE-627 rakwb eng 610 ASE 44.09 bkl Anderson, Joseph C. verfasserin aut Impact of Airway Gas Exchange on the Multiple Inert Gas Elimination Technique: Theory 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The multiple inert gas elimination technique (MIGET) provides a method for estimating alveolar gas exchange efficiency. Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical model of alveolar gas exchange (MIGET model) that neglects airway gas exchange. A mathematical model describing airway and alveolar gas exchange predicts that two of these gases, ether and acetone, exchange primarily within the airways. To determine the effect of airway gas exchange on the MIGET, we selected two additional gases, toluene and m-dichlorobenzene, that have the same blood solubility as ether and acetone and minimize airway gas exchange via their low water solubility. The airway-alveolar gas exchange model simulated the exchange of toluene, m-dichlorobenzene, and the six MIGET gases under multiple conditions of alveolar ventilation-to-perfusion, %$ \dot{V}_{\text{A}} /\dot{Q} %$, heterogeneity. We increased the importance of airway gas exchange by changing bronchial blood flow, %$ \dot{Q}_{\text{br}} %$. From these simulations, we calculated the excretion and retention of the eight inert gases and divided the results into two groups: (1) the standard MIGET gases which included acetone and ether and (2) the modified MIGET gases which included toluene and m-dichlorobenzene. The MIGET mathematical model predicted distributions of ventilation and perfusion for each grouping of gases and multiple perturbations of %$ \dot{V}_{\text{A}} /\dot{Q} %$ and %$ \dot{Q}_{\text{br}} %$. Using the modified MIGET gases, MIGET predicted a smaller dead space fraction, greater mean %$ \dot{V}_{\text{A}} %$, greater log($ SD_{VA} $), and more closely matched the imposed %$ \dot{V}_{\text{A}} %$ distribution than that using the standard MIGET gases. Perfusion distributions were relatively unaffected. Mathematical model (dpeaa)DE-He213 Bronchial circulation (dpeaa)DE-He213 Alveolar heterogeneity (dpeaa)DE-He213 Ventilation (dpeaa)DE-He213 Perfusion (dpeaa)DE-He213 Hlastala, Michael P. verfasserin aut Enthalten in Annals of biomedical engineering Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 38(2010), 3 vom: 08. Jan., Seite 1017-1030 (DE-627)270424792 (DE-600)1477155-X 1573-9686 nnns volume:38 year:2010 number:3 day:08 month:01 pages:1017-1030 https://dx.doi.org/10.1007/s10439-009-9884-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.09 ASE AR 38 2010 3 08 01 1017-1030 |
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10.1007/s10439-009-9884-x doi (DE-627)SPR010047298 (SPR)s10439-009-9884-x-e DE-627 ger DE-627 rakwb eng 610 ASE 44.09 bkl Anderson, Joseph C. verfasserin aut Impact of Airway Gas Exchange on the Multiple Inert Gas Elimination Technique: Theory 2010 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract The multiple inert gas elimination technique (MIGET) provides a method for estimating alveolar gas exchange efficiency. Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical model of alveolar gas exchange (MIGET model) that neglects airway gas exchange. A mathematical model describing airway and alveolar gas exchange predicts that two of these gases, ether and acetone, exchange primarily within the airways. To determine the effect of airway gas exchange on the MIGET, we selected two additional gases, toluene and m-dichlorobenzene, that have the same blood solubility as ether and acetone and minimize airway gas exchange via their low water solubility. The airway-alveolar gas exchange model simulated the exchange of toluene, m-dichlorobenzene, and the six MIGET gases under multiple conditions of alveolar ventilation-to-perfusion, %$ \dot{V}_{\text{A}} /\dot{Q} %$, heterogeneity. We increased the importance of airway gas exchange by changing bronchial blood flow, %$ \dot{Q}_{\text{br}} %$. From these simulations, we calculated the excretion and retention of the eight inert gases and divided the results into two groups: (1) the standard MIGET gases which included acetone and ether and (2) the modified MIGET gases which included toluene and m-dichlorobenzene. The MIGET mathematical model predicted distributions of ventilation and perfusion for each grouping of gases and multiple perturbations of %$ \dot{V}_{\text{A}} /\dot{Q} %$ and %$ \dot{Q}_{\text{br}} %$. Using the modified MIGET gases, MIGET predicted a smaller dead space fraction, greater mean %$ \dot{V}_{\text{A}} %$, greater log($ SD_{VA} $), and more closely matched the imposed %$ \dot{V}_{\text{A}} %$ distribution than that using the standard MIGET gases. Perfusion distributions were relatively unaffected. Mathematical model (dpeaa)DE-He213 Bronchial circulation (dpeaa)DE-He213 Alveolar heterogeneity (dpeaa)DE-He213 Ventilation (dpeaa)DE-He213 Perfusion (dpeaa)DE-He213 Hlastala, Michael P. verfasserin aut Enthalten in Annals of biomedical engineering Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 38(2010), 3 vom: 08. Jan., Seite 1017-1030 (DE-627)270424792 (DE-600)1477155-X 1573-9686 nnns volume:38 year:2010 number:3 day:08 month:01 pages:1017-1030 https://dx.doi.org/10.1007/s10439-009-9884-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 44.09 ASE AR 38 2010 3 08 01 1017-1030 |
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Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical model of alveolar gas exchange (MIGET model) that neglects airway gas exchange. A mathematical model describing airway and alveolar gas exchange predicts that two of these gases, ether and acetone, exchange primarily within the airways. To determine the effect of airway gas exchange on the MIGET, we selected two additional gases, toluene and m-dichlorobenzene, that have the same blood solubility as ether and acetone and minimize airway gas exchange via their low water solubility. The airway-alveolar gas exchange model simulated the exchange of toluene, m-dichlorobenzene, and the six MIGET gases under multiple conditions of alveolar ventilation-to-perfusion, %$ \dot{V}_{\text{A}} /\dot{Q} %$, heterogeneity. We increased the importance of airway gas exchange by changing bronchial blood flow, %$ \dot{Q}_{\text{br}} %$. From these simulations, we calculated the excretion and retention of the eight inert gases and divided the results into two groups: (1) the standard MIGET gases which included acetone and ether and (2) the modified MIGET gases which included toluene and m-dichlorobenzene. The MIGET mathematical model predicted distributions of ventilation and perfusion for each grouping of gases and multiple perturbations of %$ \dot{V}_{\text{A}} /\dot{Q} %$ and %$ \dot{Q}_{\text{br}} %$. Using the modified MIGET gases, MIGET predicted a smaller dead space fraction, greater mean %$ \dot{V}_{\text{A}} %$, greater log($ SD_{VA} $), and more closely matched the imposed %$ \dot{V}_{\text{A}} %$ distribution than that using the standard MIGET gases. 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Anderson, Joseph C. |
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Anderson, Joseph C. ddc 610 bkl 44.09 misc Mathematical model misc Bronchial circulation misc Alveolar heterogeneity misc Ventilation misc Perfusion Impact of Airway Gas Exchange on the Multiple Inert Gas Elimination Technique: Theory |
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610 ASE 44.09 bkl Impact of Airway Gas Exchange on the Multiple Inert Gas Elimination Technique: Theory Mathematical model (dpeaa)DE-He213 Bronchial circulation (dpeaa)DE-He213 Alveolar heterogeneity (dpeaa)DE-He213 Ventilation (dpeaa)DE-He213 Perfusion (dpeaa)DE-He213 |
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ddc 610 bkl 44.09 misc Mathematical model misc Bronchial circulation misc Alveolar heterogeneity misc Ventilation misc Perfusion |
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impact of airway gas exchange on the multiple inert gas elimination technique: theory |
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Impact of Airway Gas Exchange on the Multiple Inert Gas Elimination Technique: Theory |
| abstract |
Abstract The multiple inert gas elimination technique (MIGET) provides a method for estimating alveolar gas exchange efficiency. Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical model of alveolar gas exchange (MIGET model) that neglects airway gas exchange. A mathematical model describing airway and alveolar gas exchange predicts that two of these gases, ether and acetone, exchange primarily within the airways. To determine the effect of airway gas exchange on the MIGET, we selected two additional gases, toluene and m-dichlorobenzene, that have the same blood solubility as ether and acetone and minimize airway gas exchange via their low water solubility. The airway-alveolar gas exchange model simulated the exchange of toluene, m-dichlorobenzene, and the six MIGET gases under multiple conditions of alveolar ventilation-to-perfusion, %$ \dot{V}_{\text{A}} /\dot{Q} %$, heterogeneity. We increased the importance of airway gas exchange by changing bronchial blood flow, %$ \dot{Q}_{\text{br}} %$. From these simulations, we calculated the excretion and retention of the eight inert gases and divided the results into two groups: (1) the standard MIGET gases which included acetone and ether and (2) the modified MIGET gases which included toluene and m-dichlorobenzene. The MIGET mathematical model predicted distributions of ventilation and perfusion for each grouping of gases and multiple perturbations of %$ \dot{V}_{\text{A}} /\dot{Q} %$ and %$ \dot{Q}_{\text{br}} %$. Using the modified MIGET gases, MIGET predicted a smaller dead space fraction, greater mean %$ \dot{V}_{\text{A}} %$, greater log($ SD_{VA} $), and more closely matched the imposed %$ \dot{V}_{\text{A}} %$ distribution than that using the standard MIGET gases. Perfusion distributions were relatively unaffected. |
| abstractGer |
Abstract The multiple inert gas elimination technique (MIGET) provides a method for estimating alveolar gas exchange efficiency. Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical model of alveolar gas exchange (MIGET model) that neglects airway gas exchange. A mathematical model describing airway and alveolar gas exchange predicts that two of these gases, ether and acetone, exchange primarily within the airways. To determine the effect of airway gas exchange on the MIGET, we selected two additional gases, toluene and m-dichlorobenzene, that have the same blood solubility as ether and acetone and minimize airway gas exchange via their low water solubility. The airway-alveolar gas exchange model simulated the exchange of toluene, m-dichlorobenzene, and the six MIGET gases under multiple conditions of alveolar ventilation-to-perfusion, %$ \dot{V}_{\text{A}} /\dot{Q} %$, heterogeneity. We increased the importance of airway gas exchange by changing bronchial blood flow, %$ \dot{Q}_{\text{br}} %$. From these simulations, we calculated the excretion and retention of the eight inert gases and divided the results into two groups: (1) the standard MIGET gases which included acetone and ether and (2) the modified MIGET gases which included toluene and m-dichlorobenzene. The MIGET mathematical model predicted distributions of ventilation and perfusion for each grouping of gases and multiple perturbations of %$ \dot{V}_{\text{A}} /\dot{Q} %$ and %$ \dot{Q}_{\text{br}} %$. Using the modified MIGET gases, MIGET predicted a smaller dead space fraction, greater mean %$ \dot{V}_{\text{A}} %$, greater log($ SD_{VA} $), and more closely matched the imposed %$ \dot{V}_{\text{A}} %$ distribution than that using the standard MIGET gases. Perfusion distributions were relatively unaffected. |
| abstract_unstemmed |
Abstract The multiple inert gas elimination technique (MIGET) provides a method for estimating alveolar gas exchange efficiency. Six soluble inert gases are infused into a peripheral vein. Measurements of these gases in breath, arterial blood, and venous blood are interpreted using a mathematical model of alveolar gas exchange (MIGET model) that neglects airway gas exchange. A mathematical model describing airway and alveolar gas exchange predicts that two of these gases, ether and acetone, exchange primarily within the airways. To determine the effect of airway gas exchange on the MIGET, we selected two additional gases, toluene and m-dichlorobenzene, that have the same blood solubility as ether and acetone and minimize airway gas exchange via their low water solubility. The airway-alveolar gas exchange model simulated the exchange of toluene, m-dichlorobenzene, and the six MIGET gases under multiple conditions of alveolar ventilation-to-perfusion, %$ \dot{V}_{\text{A}} /\dot{Q} %$, heterogeneity. We increased the importance of airway gas exchange by changing bronchial blood flow, %$ \dot{Q}_{\text{br}} %$. From these simulations, we calculated the excretion and retention of the eight inert gases and divided the results into two groups: (1) the standard MIGET gases which included acetone and ether and (2) the modified MIGET gases which included toluene and m-dichlorobenzene. The MIGET mathematical model predicted distributions of ventilation and perfusion for each grouping of gases and multiple perturbations of %$ \dot{V}_{\text{A}} /\dot{Q} %$ and %$ \dot{Q}_{\text{br}} %$. Using the modified MIGET gases, MIGET predicted a smaller dead space fraction, greater mean %$ \dot{V}_{\text{A}} %$, greater log($ SD_{VA} $), and more closely matched the imposed %$ \dot{V}_{\text{A}} %$ distribution than that using the standard MIGET gases. Perfusion distributions were relatively unaffected. |
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| title_short |
Impact of Airway Gas Exchange on the Multiple Inert Gas Elimination Technique: Theory |
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https://dx.doi.org/10.1007/s10439-009-9884-x |
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Hlastala, Michael P. |
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| doi_str |
10.1007/s10439-009-9884-x |
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2024-07-03T13:37:35.050Z |
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| score |
7.402895 |