Predictive changes in ventricular interdependence
Abstract Based on the balance of forces across the interventricular septum, we developed a theoretical analysis to explain how one ventricle can directly influence the filling characteristics of the other ventricle. The analysis indicated that the pressure and volume transfer were related to the rel...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Santamore, William P. [verfasserIn] Constantinescu, Martin [verfasserIn] Shaffer, Thomas [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1988 |
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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, 16(1988), 2 vom: 01. März, Seite 215-234 |
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| Übergeordnetes Werk: |
volume:16 ; year:1988 ; number:2 ; day:01 ; month:03 ; pages:215-234 |
| Links: |
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| DOI / URN: |
10.1007/BF02364582 |
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| Katalog-ID: |
SPR010035087 |
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| 245 | 1 | 0 | |a Predictive changes in ventricular interdependence |
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| 520 | |a Abstract Based on the balance of forces across the interventricular septum, we developed a theoretical analysis to explain how one ventricle can directly influence the filling characteristics of the other ventricle. The analysis indicated that the pressure and volume transfer were related to the relative compliances of the interventricular septum and ventricular free walls. The present study examined whether the theoretical analysis could be used to predict changes in ventricular interdependence caused by altering regional compliance. To examine this hypothesis, hearts were removed from 18 dogs and placed in cool cardioplegic solution. Balloons were inserted into each ventricle, and the left and right pressure ($ δP_{1} $, $ δP_{r} $) and volume ($ δV_{1} $, $ δV_{r} $) changes caused by changing the pressure and volume of the other ventricle were recorded. After the initial measurements, acute changes in left ventricular free wall compliance (n=6), septal compliance (n=6), and right ventricular free wall compliance (n=6) were induced by glutaraldehyde injections. As predicted by the theoretical analysis, decreasing left ventricular free wall compliance increased $ δP_{1} $/$ δP_{r} $, $ δP_{1} $/$ δV_{r} $, $ δP_{r} $/$ δV_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 89±15, 155±33, 282±65, and 112±22% (mean±SEM), respectively. Decreasing septal compliance decreases $ δP_{1} $/$ δP_{r} $, $ δV_{1} $/$ δP_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 48±7, 71±10, 69±14, 48±7, 62±8, and 57±13%, respectively. Decreasing right ventricular free wall compliance increased $ δP_{1} $/$ δV_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δP_{r} $/$ δV_{1} $ significantly (P<0.05) by 97±25, 79±20, 57±18, and 59±23%, respectively. Furthermore, these alterations in ventricular coupling were predictable: The actual and predicted percentage changes in the transfer functions were in close agreement. The results of these studies show predictable alterations in the mechanical coupling between the ventricles following changes in right ventricular septal, and left ventricular free wall compliances. | ||
| 650 | 4 | |a Ventricular interdependence |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Right ventricle |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Left ventricle |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Interventricular septum |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Hemodynamics |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Theoretical modeling |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Constantinescu, Martin |e verfasserin |4 aut | |
| 700 | 1 | |a Shaffer, Thomas |e verfasserin |4 aut | |
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10.1007/BF02364582 doi (DE-627)SPR010035087 (SPR)BF02364582-e DE-627 ger DE-627 rakwb eng 610 ASE 44.09 bkl Santamore, William P. verfasserin aut Predictive changes in ventricular interdependence 1988 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Based on the balance of forces across the interventricular septum, we developed a theoretical analysis to explain how one ventricle can directly influence the filling characteristics of the other ventricle. The analysis indicated that the pressure and volume transfer were related to the relative compliances of the interventricular septum and ventricular free walls. The present study examined whether the theoretical analysis could be used to predict changes in ventricular interdependence caused by altering regional compliance. To examine this hypothesis, hearts were removed from 18 dogs and placed in cool cardioplegic solution. Balloons were inserted into each ventricle, and the left and right pressure ($ δP_{1} $, $ δP_{r} $) and volume ($ δV_{1} $, $ δV_{r} $) changes caused by changing the pressure and volume of the other ventricle were recorded. After the initial measurements, acute changes in left ventricular free wall compliance (n=6), septal compliance (n=6), and right ventricular free wall compliance (n=6) were induced by glutaraldehyde injections. As predicted by the theoretical analysis, decreasing left ventricular free wall compliance increased $ δP_{1} $/$ δP_{r} $, $ δP_{1} $/$ δV_{r} $, $ δP_{r} $/$ δV_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 89±15, 155±33, 282±65, and 112±22% (mean±SEM), respectively. Decreasing septal compliance decreases $ δP_{1} $/$ δP_{r} $, $ δV_{1} $/$ δP_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 48±7, 71±10, 69±14, 48±7, 62±8, and 57±13%, respectively. Decreasing right ventricular free wall compliance increased $ δP_{1} $/$ δV_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δP_{r} $/$ δV_{1} $ significantly (P<0.05) by 97±25, 79±20, 57±18, and 59±23%, respectively. Furthermore, these alterations in ventricular coupling were predictable: The actual and predicted percentage changes in the transfer functions were in close agreement. The results of these studies show predictable alterations in the mechanical coupling between the ventricles following changes in right ventricular septal, and left ventricular free wall compliances. Ventricular interdependence (dpeaa)DE-He213 Right ventricle (dpeaa)DE-He213 Left ventricle (dpeaa)DE-He213 Interventricular septum (dpeaa)DE-He213 Hemodynamics (dpeaa)DE-He213 Theoretical modeling (dpeaa)DE-He213 Constantinescu, Martin verfasserin aut Shaffer, Thomas verfasserin aut Enthalten in Annals of biomedical engineering Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 16(1988), 2 vom: 01. März, Seite 215-234 (DE-627)270424792 (DE-600)1477155-X 1573-9686 nnns volume:16 year:1988 number:2 day:01 month:03 pages:215-234 https://dx.doi.org/10.1007/BF02364582 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_121 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_206 GBV_ILN_224 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 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_2018 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_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 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_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 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_2808 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_4277 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 44.09 ASE AR 16 1988 2 01 03 215-234 |
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10.1007/BF02364582 doi (DE-627)SPR010035087 (SPR)BF02364582-e DE-627 ger DE-627 rakwb eng 610 ASE 44.09 bkl Santamore, William P. verfasserin aut Predictive changes in ventricular interdependence 1988 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Based on the balance of forces across the interventricular septum, we developed a theoretical analysis to explain how one ventricle can directly influence the filling characteristics of the other ventricle. The analysis indicated that the pressure and volume transfer were related to the relative compliances of the interventricular septum and ventricular free walls. The present study examined whether the theoretical analysis could be used to predict changes in ventricular interdependence caused by altering regional compliance. To examine this hypothesis, hearts were removed from 18 dogs and placed in cool cardioplegic solution. Balloons were inserted into each ventricle, and the left and right pressure ($ δP_{1} $, $ δP_{r} $) and volume ($ δV_{1} $, $ δV_{r} $) changes caused by changing the pressure and volume of the other ventricle were recorded. After the initial measurements, acute changes in left ventricular free wall compliance (n=6), septal compliance (n=6), and right ventricular free wall compliance (n=6) were induced by glutaraldehyde injections. As predicted by the theoretical analysis, decreasing left ventricular free wall compliance increased $ δP_{1} $/$ δP_{r} $, $ δP_{1} $/$ δV_{r} $, $ δP_{r} $/$ δV_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 89±15, 155±33, 282±65, and 112±22% (mean±SEM), respectively. Decreasing septal compliance decreases $ δP_{1} $/$ δP_{r} $, $ δV_{1} $/$ δP_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 48±7, 71±10, 69±14, 48±7, 62±8, and 57±13%, respectively. Decreasing right ventricular free wall compliance increased $ δP_{1} $/$ δV_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δP_{r} $/$ δV_{1} $ significantly (P<0.05) by 97±25, 79±20, 57±18, and 59±23%, respectively. Furthermore, these alterations in ventricular coupling were predictable: The actual and predicted percentage changes in the transfer functions were in close agreement. The results of these studies show predictable alterations in the mechanical coupling between the ventricles following changes in right ventricular septal, and left ventricular free wall compliances. Ventricular interdependence (dpeaa)DE-He213 Right ventricle (dpeaa)DE-He213 Left ventricle (dpeaa)DE-He213 Interventricular septum (dpeaa)DE-He213 Hemodynamics (dpeaa)DE-He213 Theoretical modeling (dpeaa)DE-He213 Constantinescu, Martin verfasserin aut Shaffer, Thomas verfasserin aut Enthalten in Annals of biomedical engineering Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 16(1988), 2 vom: 01. März, Seite 215-234 (DE-627)270424792 (DE-600)1477155-X 1573-9686 nnns volume:16 year:1988 number:2 day:01 month:03 pages:215-234 https://dx.doi.org/10.1007/BF02364582 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_121 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_206 GBV_ILN_224 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 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_2018 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_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 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_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 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_2808 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_4277 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 44.09 ASE AR 16 1988 2 01 03 215-234 |
| allfields_unstemmed |
10.1007/BF02364582 doi (DE-627)SPR010035087 (SPR)BF02364582-e DE-627 ger DE-627 rakwb eng 610 ASE 44.09 bkl Santamore, William P. verfasserin aut Predictive changes in ventricular interdependence 1988 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Based on the balance of forces across the interventricular septum, we developed a theoretical analysis to explain how one ventricle can directly influence the filling characteristics of the other ventricle. The analysis indicated that the pressure and volume transfer were related to the relative compliances of the interventricular septum and ventricular free walls. The present study examined whether the theoretical analysis could be used to predict changes in ventricular interdependence caused by altering regional compliance. To examine this hypothesis, hearts were removed from 18 dogs and placed in cool cardioplegic solution. Balloons were inserted into each ventricle, and the left and right pressure ($ δP_{1} $, $ δP_{r} $) and volume ($ δV_{1} $, $ δV_{r} $) changes caused by changing the pressure and volume of the other ventricle were recorded. After the initial measurements, acute changes in left ventricular free wall compliance (n=6), septal compliance (n=6), and right ventricular free wall compliance (n=6) were induced by glutaraldehyde injections. As predicted by the theoretical analysis, decreasing left ventricular free wall compliance increased $ δP_{1} $/$ δP_{r} $, $ δP_{1} $/$ δV_{r} $, $ δP_{r} $/$ δV_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 89±15, 155±33, 282±65, and 112±22% (mean±SEM), respectively. Decreasing septal compliance decreases $ δP_{1} $/$ δP_{r} $, $ δV_{1} $/$ δP_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 48±7, 71±10, 69±14, 48±7, 62±8, and 57±13%, respectively. Decreasing right ventricular free wall compliance increased $ δP_{1} $/$ δV_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δP_{r} $/$ δV_{1} $ significantly (P<0.05) by 97±25, 79±20, 57±18, and 59±23%, respectively. Furthermore, these alterations in ventricular coupling were predictable: The actual and predicted percentage changes in the transfer functions were in close agreement. The results of these studies show predictable alterations in the mechanical coupling between the ventricles following changes in right ventricular septal, and left ventricular free wall compliances. Ventricular interdependence (dpeaa)DE-He213 Right ventricle (dpeaa)DE-He213 Left ventricle (dpeaa)DE-He213 Interventricular septum (dpeaa)DE-He213 Hemodynamics (dpeaa)DE-He213 Theoretical modeling (dpeaa)DE-He213 Constantinescu, Martin verfasserin aut Shaffer, Thomas verfasserin aut Enthalten in Annals of biomedical engineering Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 16(1988), 2 vom: 01. März, Seite 215-234 (DE-627)270424792 (DE-600)1477155-X 1573-9686 nnns volume:16 year:1988 number:2 day:01 month:03 pages:215-234 https://dx.doi.org/10.1007/BF02364582 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_121 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_206 GBV_ILN_224 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 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_2018 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_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 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_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 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_2808 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_4277 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 44.09 ASE AR 16 1988 2 01 03 215-234 |
| allfieldsGer |
10.1007/BF02364582 doi (DE-627)SPR010035087 (SPR)BF02364582-e DE-627 ger DE-627 rakwb eng 610 ASE 44.09 bkl Santamore, William P. verfasserin aut Predictive changes in ventricular interdependence 1988 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Based on the balance of forces across the interventricular septum, we developed a theoretical analysis to explain how one ventricle can directly influence the filling characteristics of the other ventricle. The analysis indicated that the pressure and volume transfer were related to the relative compliances of the interventricular septum and ventricular free walls. The present study examined whether the theoretical analysis could be used to predict changes in ventricular interdependence caused by altering regional compliance. To examine this hypothesis, hearts were removed from 18 dogs and placed in cool cardioplegic solution. Balloons were inserted into each ventricle, and the left and right pressure ($ δP_{1} $, $ δP_{r} $) and volume ($ δV_{1} $, $ δV_{r} $) changes caused by changing the pressure and volume of the other ventricle were recorded. After the initial measurements, acute changes in left ventricular free wall compliance (n=6), septal compliance (n=6), and right ventricular free wall compliance (n=6) were induced by glutaraldehyde injections. As predicted by the theoretical analysis, decreasing left ventricular free wall compliance increased $ δP_{1} $/$ δP_{r} $, $ δP_{1} $/$ δV_{r} $, $ δP_{r} $/$ δV_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 89±15, 155±33, 282±65, and 112±22% (mean±SEM), respectively. Decreasing septal compliance decreases $ δP_{1} $/$ δP_{r} $, $ δV_{1} $/$ δP_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 48±7, 71±10, 69±14, 48±7, 62±8, and 57±13%, respectively. Decreasing right ventricular free wall compliance increased $ δP_{1} $/$ δV_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δP_{r} $/$ δV_{1} $ significantly (P<0.05) by 97±25, 79±20, 57±18, and 59±23%, respectively. Furthermore, these alterations in ventricular coupling were predictable: The actual and predicted percentage changes in the transfer functions were in close agreement. The results of these studies show predictable alterations in the mechanical coupling between the ventricles following changes in right ventricular septal, and left ventricular free wall compliances. Ventricular interdependence (dpeaa)DE-He213 Right ventricle (dpeaa)DE-He213 Left ventricle (dpeaa)DE-He213 Interventricular septum (dpeaa)DE-He213 Hemodynamics (dpeaa)DE-He213 Theoretical modeling (dpeaa)DE-He213 Constantinescu, Martin verfasserin aut Shaffer, Thomas verfasserin aut Enthalten in Annals of biomedical engineering Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 16(1988), 2 vom: 01. März, Seite 215-234 (DE-627)270424792 (DE-600)1477155-X 1573-9686 nnns volume:16 year:1988 number:2 day:01 month:03 pages:215-234 https://dx.doi.org/10.1007/BF02364582 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_121 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_206 GBV_ILN_224 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 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_2018 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_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 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_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 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_2808 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_4277 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 44.09 ASE AR 16 1988 2 01 03 215-234 |
| allfieldsSound |
10.1007/BF02364582 doi (DE-627)SPR010035087 (SPR)BF02364582-e DE-627 ger DE-627 rakwb eng 610 ASE 44.09 bkl Santamore, William P. verfasserin aut Predictive changes in ventricular interdependence 1988 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Based on the balance of forces across the interventricular septum, we developed a theoretical analysis to explain how one ventricle can directly influence the filling characteristics of the other ventricle. The analysis indicated that the pressure and volume transfer were related to the relative compliances of the interventricular septum and ventricular free walls. The present study examined whether the theoretical analysis could be used to predict changes in ventricular interdependence caused by altering regional compliance. To examine this hypothesis, hearts were removed from 18 dogs and placed in cool cardioplegic solution. Balloons were inserted into each ventricle, and the left and right pressure ($ δP_{1} $, $ δP_{r} $) and volume ($ δV_{1} $, $ δV_{r} $) changes caused by changing the pressure and volume of the other ventricle were recorded. After the initial measurements, acute changes in left ventricular free wall compliance (n=6), septal compliance (n=6), and right ventricular free wall compliance (n=6) were induced by glutaraldehyde injections. As predicted by the theoretical analysis, decreasing left ventricular free wall compliance increased $ δP_{1} $/$ δP_{r} $, $ δP_{1} $/$ δV_{r} $, $ δP_{r} $/$ δV_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 89±15, 155±33, 282±65, and 112±22% (mean±SEM), respectively. Decreasing septal compliance decreases $ δP_{1} $/$ δP_{r} $, $ δV_{1} $/$ δP_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 48±7, 71±10, 69±14, 48±7, 62±8, and 57±13%, respectively. Decreasing right ventricular free wall compliance increased $ δP_{1} $/$ δV_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δP_{r} $/$ δV_{1} $ significantly (P<0.05) by 97±25, 79±20, 57±18, and 59±23%, respectively. Furthermore, these alterations in ventricular coupling were predictable: The actual and predicted percentage changes in the transfer functions were in close agreement. The results of these studies show predictable alterations in the mechanical coupling between the ventricles following changes in right ventricular septal, and left ventricular free wall compliances. Ventricular interdependence (dpeaa)DE-He213 Right ventricle (dpeaa)DE-He213 Left ventricle (dpeaa)DE-He213 Interventricular septum (dpeaa)DE-He213 Hemodynamics (dpeaa)DE-He213 Theoretical modeling (dpeaa)DE-He213 Constantinescu, Martin verfasserin aut Shaffer, Thomas verfasserin aut Enthalten in Annals of biomedical engineering Dordrecht [u.a.] : Springer Science + Business Media B.V, 1972 16(1988), 2 vom: 01. März, Seite 215-234 (DE-627)270424792 (DE-600)1477155-X 1573-9686 nnns volume:16 year:1988 number:2 day:01 month:03 pages:215-234 https://dx.doi.org/10.1007/BF02364582 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_121 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_206 GBV_ILN_224 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_374 GBV_ILN_602 GBV_ILN_647 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_2018 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_2043 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 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_2158 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2193 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_2808 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_4277 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_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4346 GBV_ILN_4367 GBV_ILN_4393 GBV_ILN_4700 GBV_ILN_4753 44.09 ASE AR 16 1988 2 01 03 215-234 |
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Enthalten in Annals of biomedical engineering 16(1988), 2 vom: 01. März, Seite 215-234 volume:16 year:1988 number:2 day:01 month:03 pages:215-234 |
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Enthalten in Annals of biomedical engineering 16(1988), 2 vom: 01. März, Seite 215-234 volume:16 year:1988 number:2 day:01 month:03 pages:215-234 |
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findex.gbv.de |
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Ventricular interdependence Right ventricle Left ventricle Interventricular septum Hemodynamics Theoretical modeling |
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Santamore, William P. @@aut@@ Constantinescu, Martin @@aut@@ Shaffer, Thomas @@aut@@ |
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3610 |
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| author |
Santamore, William P. |
| spellingShingle |
Santamore, William P. ddc 610 bkl 44.09 misc Ventricular interdependence misc Right ventricle misc Left ventricle misc Interventricular septum misc Hemodynamics misc Theoretical modeling Predictive changes in ventricular interdependence |
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Santamore, William P. |
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1573-9686 |
| topic_title |
610 ASE 44.09 bkl Predictive changes in ventricular interdependence Ventricular interdependence (dpeaa)DE-He213 Right ventricle (dpeaa)DE-He213 Left ventricle (dpeaa)DE-He213 Interventricular septum (dpeaa)DE-He213 Hemodynamics (dpeaa)DE-He213 Theoretical modeling (dpeaa)DE-He213 |
| topic |
ddc 610 bkl 44.09 misc Ventricular interdependence misc Right ventricle misc Left ventricle misc Interventricular septum misc Hemodynamics misc Theoretical modeling |
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ddc 610 bkl 44.09 misc Ventricular interdependence misc Right ventricle misc Left ventricle misc Interventricular septum misc Hemodynamics misc Theoretical modeling |
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ddc 610 bkl 44.09 misc Ventricular interdependence misc Right ventricle misc Left ventricle misc Interventricular septum misc Hemodynamics misc Theoretical modeling |
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Elektronische Aufsätze Aufsätze Elektronische Ressource |
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Predictive changes in ventricular interdependence |
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Predictive changes in ventricular interdependence |
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Santamore, William P. |
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Annals of biomedical engineering |
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Annals of biomedical engineering |
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1988 |
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Santamore, William P. Constantinescu, Martin Shaffer, Thomas |
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610 ASE 44.09 bkl |
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Santamore, William P. |
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10.1007/BF02364582 |
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610 |
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verfasserin |
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predictive changes in ventricular interdependence |
| title_auth |
Predictive changes in ventricular interdependence |
| abstract |
Abstract Based on the balance of forces across the interventricular septum, we developed a theoretical analysis to explain how one ventricle can directly influence the filling characteristics of the other ventricle. The analysis indicated that the pressure and volume transfer were related to the relative compliances of the interventricular septum and ventricular free walls. The present study examined whether the theoretical analysis could be used to predict changes in ventricular interdependence caused by altering regional compliance. To examine this hypothesis, hearts were removed from 18 dogs and placed in cool cardioplegic solution. Balloons were inserted into each ventricle, and the left and right pressure ($ δP_{1} $, $ δP_{r} $) and volume ($ δV_{1} $, $ δV_{r} $) changes caused by changing the pressure and volume of the other ventricle were recorded. After the initial measurements, acute changes in left ventricular free wall compliance (n=6), septal compliance (n=6), and right ventricular free wall compliance (n=6) were induced by glutaraldehyde injections. As predicted by the theoretical analysis, decreasing left ventricular free wall compliance increased $ δP_{1} $/$ δP_{r} $, $ δP_{1} $/$ δV_{r} $, $ δP_{r} $/$ δV_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 89±15, 155±33, 282±65, and 112±22% (mean±SEM), respectively. Decreasing septal compliance decreases $ δP_{1} $/$ δP_{r} $, $ δV_{1} $/$ δP_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 48±7, 71±10, 69±14, 48±7, 62±8, and 57±13%, respectively. Decreasing right ventricular free wall compliance increased $ δP_{1} $/$ δV_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δP_{r} $/$ δV_{1} $ significantly (P<0.05) by 97±25, 79±20, 57±18, and 59±23%, respectively. Furthermore, these alterations in ventricular coupling were predictable: The actual and predicted percentage changes in the transfer functions were in close agreement. The results of these studies show predictable alterations in the mechanical coupling between the ventricles following changes in right ventricular septal, and left ventricular free wall compliances. |
| abstractGer |
Abstract Based on the balance of forces across the interventricular septum, we developed a theoretical analysis to explain how one ventricle can directly influence the filling characteristics of the other ventricle. The analysis indicated that the pressure and volume transfer were related to the relative compliances of the interventricular septum and ventricular free walls. The present study examined whether the theoretical analysis could be used to predict changes in ventricular interdependence caused by altering regional compliance. To examine this hypothesis, hearts were removed from 18 dogs and placed in cool cardioplegic solution. Balloons were inserted into each ventricle, and the left and right pressure ($ δP_{1} $, $ δP_{r} $) and volume ($ δV_{1} $, $ δV_{r} $) changes caused by changing the pressure and volume of the other ventricle were recorded. After the initial measurements, acute changes in left ventricular free wall compliance (n=6), septal compliance (n=6), and right ventricular free wall compliance (n=6) were induced by glutaraldehyde injections. As predicted by the theoretical analysis, decreasing left ventricular free wall compliance increased $ δP_{1} $/$ δP_{r} $, $ δP_{1} $/$ δV_{r} $, $ δP_{r} $/$ δV_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 89±15, 155±33, 282±65, and 112±22% (mean±SEM), respectively. Decreasing septal compliance decreases $ δP_{1} $/$ δP_{r} $, $ δV_{1} $/$ δP_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 48±7, 71±10, 69±14, 48±7, 62±8, and 57±13%, respectively. Decreasing right ventricular free wall compliance increased $ δP_{1} $/$ δV_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δP_{r} $/$ δV_{1} $ significantly (P<0.05) by 97±25, 79±20, 57±18, and 59±23%, respectively. Furthermore, these alterations in ventricular coupling were predictable: The actual and predicted percentage changes in the transfer functions were in close agreement. The results of these studies show predictable alterations in the mechanical coupling between the ventricles following changes in right ventricular septal, and left ventricular free wall compliances. |
| abstract_unstemmed |
Abstract Based on the balance of forces across the interventricular septum, we developed a theoretical analysis to explain how one ventricle can directly influence the filling characteristics of the other ventricle. The analysis indicated that the pressure and volume transfer were related to the relative compliances of the interventricular septum and ventricular free walls. The present study examined whether the theoretical analysis could be used to predict changes in ventricular interdependence caused by altering regional compliance. To examine this hypothesis, hearts were removed from 18 dogs and placed in cool cardioplegic solution. Balloons were inserted into each ventricle, and the left and right pressure ($ δP_{1} $, $ δP_{r} $) and volume ($ δV_{1} $, $ δV_{r} $) changes caused by changing the pressure and volume of the other ventricle were recorded. After the initial measurements, acute changes in left ventricular free wall compliance (n=6), septal compliance (n=6), and right ventricular free wall compliance (n=6) were induced by glutaraldehyde injections. As predicted by the theoretical analysis, decreasing left ventricular free wall compliance increased $ δP_{1} $/$ δP_{r} $, $ δP_{1} $/$ δV_{r} $, $ δP_{r} $/$ δV_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 89±15, 155±33, 282±65, and 112±22% (mean±SEM), respectively. Decreasing septal compliance decreases $ δP_{1} $/$ δP_{r} $, $ δV_{1} $/$ δP_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δV_{r} $/$ δV_{1} $ significantly (P<0.05) by 48±7, 71±10, 69±14, 48±7, 62±8, and 57±13%, respectively. Decreasing right ventricular free wall compliance increased $ δP_{1} $/$ δV_{r} $, $ δV_{1} $/$ δV_{r} $, $ δP_{r} $/$ δP_{1} $, and $ δP_{r} $/$ δV_{1} $ significantly (P<0.05) by 97±25, 79±20, 57±18, and 59±23%, respectively. Furthermore, these alterations in ventricular coupling were predictable: The actual and predicted percentage changes in the transfer functions were in close agreement. The results of these studies show predictable alterations in the mechanical coupling between the ventricles following changes in right ventricular septal, and left ventricular free wall compliances. |
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Predictive changes in ventricular interdependence |
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https://dx.doi.org/10.1007/BF02364582 |
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Constantinescu, Martin Shaffer, Thomas |
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10.1007/BF02364582 |
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| score |
7.4019346 |