Head-to-head comparison of V-A ECMO, Impella and ECPELLA in normal ovine hearts

Abstract Temporary mechanical circulatory support (MCS), including veno-arterial extracorporeal membrane oxygenation (ECMO) and micro-axial pumps (Impella), is increasingly used in clinical practice for refractory circulatory failure. Complex physiological responses to each technique or their combin...

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Main Authors: Konstantin Yastrebov, Hugh S. Paterson, David H. Tian, Laurencie M. Brunel, Fiona C. Schnitzler, Lisa M. Partel, Mark Dennis, Paul G. Bannon
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-06457-0
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author Konstantin Yastrebov
Hugh S. Paterson
David H. Tian
Laurencie M. Brunel
Fiona C. Schnitzler
Lisa M. Partel
Mark Dennis
Paul G. Bannon
author_facet Konstantin Yastrebov
Hugh S. Paterson
David H. Tian
Laurencie M. Brunel
Fiona C. Schnitzler
Lisa M. Partel
Mark Dennis
Paul G. Bannon
author_sort Konstantin Yastrebov
collection DOAJ
description Abstract Temporary mechanical circulatory support (MCS), including veno-arterial extracorporeal membrane oxygenation (ECMO) and micro-axial pumps (Impella), is increasingly used in clinical practice for refractory circulatory failure. Complex physiological responses to each technique or their combination (ECPELLA) remain debated and are often specific to cardiovascular pathology. A paucity of data on physiological responses to MCS in normal subjects makes comprehensive understanding of such responses in variable disease states difficult, as well as during weaning MCS in recovering hearts. This translational investigation compared three MCS techniques with variable pump flows in healthy sheep (n = 7) to establish baseline for future studies in cardiomyopathic models. All MCS techniques increased arterial elastance, but reduced LV myocardial work, coronary arterial flow and LV myocardial oxygen consumption. ECPELLA was more effective in increasing total systemic blood flow and MAP. The overall similarity between the MCS techniques suggests that the more invasive and complex combination of devices (ECPELLA) can only be justified for management of the severe failing heart as the means for decompressing LV. A study investigating the comparative impacts of different regimes and MCS techniques in a cardiomyopathic model is warranted.
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spelling doaj-art-e77f34548a3844b59d7a47a5e541ef982025-08-20T04:01:41ZengNature PortfolioScientific Reports2045-23222025-07-0115111110.1038/s41598-025-06457-0Head-to-head comparison of V-A ECMO, Impella and ECPELLA in normal ovine heartsKonstantin Yastrebov0Hugh S. Paterson1David H. Tian2Laurencie M. Brunel3Fiona C. Schnitzler4Lisa M. Partel5Mark Dennis6Paul G. Bannon7Prince of Wales HospitalThe University of SydneyWestmead HospitalThe University of SydneyThe University of SydneyThe University of SydneyThe University of SydneyThe University of SydneyAbstract Temporary mechanical circulatory support (MCS), including veno-arterial extracorporeal membrane oxygenation (ECMO) and micro-axial pumps (Impella), is increasingly used in clinical practice for refractory circulatory failure. Complex physiological responses to each technique or their combination (ECPELLA) remain debated and are often specific to cardiovascular pathology. A paucity of data on physiological responses to MCS in normal subjects makes comprehensive understanding of such responses in variable disease states difficult, as well as during weaning MCS in recovering hearts. This translational investigation compared three MCS techniques with variable pump flows in healthy sheep (n = 7) to establish baseline for future studies in cardiomyopathic models. All MCS techniques increased arterial elastance, but reduced LV myocardial work, coronary arterial flow and LV myocardial oxygen consumption. ECPELLA was more effective in increasing total systemic blood flow and MAP. The overall similarity between the MCS techniques suggests that the more invasive and complex combination of devices (ECPELLA) can only be justified for management of the severe failing heart as the means for decompressing LV. A study investigating the comparative impacts of different regimes and MCS techniques in a cardiomyopathic model is warranted.https://doi.org/10.1038/s41598-025-06457-0ImpellaECMOECPELLAHemodynamicsMyocardial workMyocardial oxygen consumption
spellingShingle Konstantin Yastrebov
Hugh S. Paterson
David H. Tian
Laurencie M. Brunel
Fiona C. Schnitzler
Lisa M. Partel
Mark Dennis
Paul G. Bannon
Head-to-head comparison of V-A ECMO, Impella and ECPELLA in normal ovine hearts
Scientific Reports
Impella
ECMO
ECPELLA
Hemodynamics
Myocardial work
Myocardial oxygen consumption
title Head-to-head comparison of V-A ECMO, Impella and ECPELLA in normal ovine hearts
title_full Head-to-head comparison of V-A ECMO, Impella and ECPELLA in normal ovine hearts
title_fullStr Head-to-head comparison of V-A ECMO, Impella and ECPELLA in normal ovine hearts
title_full_unstemmed Head-to-head comparison of V-A ECMO, Impella and ECPELLA in normal ovine hearts
title_short Head-to-head comparison of V-A ECMO, Impella and ECPELLA in normal ovine hearts
title_sort head to head comparison of v a ecmo impella and ecpella in normal ovine hearts
topic Impella
ECMO
ECPELLA
Hemodynamics
Myocardial work
Myocardial oxygen consumption
url https://doi.org/10.1038/s41598-025-06457-0
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