Optimal ECMO Flow in the Critical Phase of Cardiogenic Shock to Optimize Peripheral Organ Perfusion and Myocardial Stress
NCT ID: NCT06936839
Last Updated: 2025-04-20
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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NOT_YET_RECRUITING
55 participants
OBSERVATIONAL
2025-04-15
2026-04-01
Brief Summary
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In the absence of clinical studies and strong recommendations, the optimized management of VA ECMO in clinical practice involves finding an ECMO flow that balances adequate organ perfusion with preserved ventricular ejection, while minimizing LV stress. Since the optimal flow changes with myocardial recovery, ramp tests are regularly performed to adjust ECMO flow.
To date, the optimized management of VA ECMO has been guided empirically. The aim of this study is to describe the consequences of variations in VA ECMO flow during the critical phase of cardiogenic shock on peripheral organ perfusion and LV stress. By analyzing the relationships between VA ECMO flow rate, peripheral perfusion, and myocardial stress, investigators aim to optimize flow settings-particularly by minimizing the potential complications of VA ECMO.
During the daily ramp tests, investigators plan to collect hemodynamic data (cardiac output, SvO₂, pulse pressure, EtCO₂, vasopressor and inotrope dosing), echocardiographic measurements, and organ perfusion indicators (NIRSS, CO₂ gap, respiratory quotient, lactate levels). Data will be collected on Day 1 (ECMO initiation), Day 2 (24 hours after ECMO initiation), and Day 3 (48 hours after ECMO initiation).
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Detailed Description
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Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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study cohort
Adult patients at the early phase of a cardiogenic shock treated with veno-arterial ECMO (\<48h)
Obversation
Observing the optimal flow rate to reduce left ventricular stress and enhance peripheral organ perfusion during ramp tests (conducted at QECMO levels of 100%, 75%, 50%, and 25%, provided that SVO₂ remains \>55% and NIRS rSO₂ remains \>50%)
Interventions
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Obversation
Observing the optimal flow rate to reduce left ventricular stress and enhance peripheral organ perfusion during ramp tests (conducted at QECMO levels of 100%, 75%, 50%, and 25%, provided that SVO₂ remains \>55% and NIRS rSO₂ remains \>50%)
Eligibility Criteria
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Inclusion Criteria
* treated with VA ECMO for less than 48hours
Exclusion Criteria
* Cardiac arres prior to the cardiogenic shock with Low-Flow \> 30 min
* Noradrenaline dose \> 1μg/kg/min, vasopressin dose \> 2IU/h, dobutamine dose \> 15μg/kg/min, adrenaline dose \> 1μg/kg/min, or unstabilized vasopressors or inotropes
* Post-cardiotomy cardiogenic shock
* Septic shock
* Left ventricular unloading by Impella (CP/5) or atrioseptostomy
* Atrial septal defect
* Ventricular septal defect
* Pregnant or breast-feeding women
* Patients protected by law (under guardianship or curatorship),
* Patient participating in another research study with an exclusion period still in progress
* Opposition to participation after having been informed
* Patient not affiliated to any health care system
* Patient unable to express non-opposition without available trusted person
18 Years
ALL
No
Sponsors
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University Hospital, Montpellier
OTHER
Responsible Party
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Principal Investigators
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Aurore Ughetto, MD
Role: PRINCIPAL_INVESTIGATOR
Montpellier University Hospital
Locations
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Montpellier University Hospital
Montpellier, Occitanie, France
Countries
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Central Contacts
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Facility Contacts
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References
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Ostadal P, Mlcek M, Kruger A, Hala P, Lacko S, Mates M, Vondrakova D, Svoboda T, Hrachovina M, Janotka M, Psotova H, Strunina S, Kittnar O, Neuzil P. Increasing venoarterial extracorporeal membrane oxygenation flow negatively affects left ventricular performance in a porcine model of cardiogenic shock. J Transl Med. 2015 Aug 15;13:266. doi: 10.1186/s12967-015-0634-6.
Burkhoff D, Sayer G, Doshi D, Uriel N. Hemodynamics of Mechanical Circulatory Support. J Am Coll Cardiol. 2015 Dec 15;66(23):2663-2674. doi: 10.1016/j.jacc.2015.10.017.
Fuhrman BP, Hernan LJ, Rotta AT, Heard CM, Rosenkranz ER. Pathophysiology of cardiac extracorporeal membrane oxygenation. Artif Organs. 1999 Nov;23(11):966-9. doi: 10.1046/j.1525-1594.1999.06484.x.
Burkhoff D, Sagawa K. Ventricular efficiency predicted by an analytical model. Am J Physiol. 1986 Jun;250(6 Pt 2):R1021-7. doi: 10.1152/ajpregu.1986.250.6.R1021.
Mallat J, Pepy F, Lemyze M, Gasan G, Vangrunderbeeck N, Tronchon L, Vallet B, Thevenin D. Central venous-to-arterial carbon dioxide partial pressure difference in early resuscitation from septic shock: a prospective observational study. Eur J Anaesthesiol. 2014 Jul;31(7):371-80. doi: 10.1097/EJA.0000000000000064.
Mesquida J, Saludes P, Gruartmoner G, Espinal C, Torrents E, Baigorri F, Artigas A. Central venous-to-arterial carbon dioxide difference combined with arterial-to-venous oxygen content difference is associated with lactate evolution in the hemodynamic resuscitation process in early septic shock. Crit Care. 2015 Mar 28;19(1):126. doi: 10.1186/s13054-015-0858-0.
Routsi C, Vincent JL, Bakker J, De Backer D, Lejeune P, d'Hollander A, Le Clerc JL, Kahn RJ. Relation between oxygen consumption and oxygen delivery in patients after cardiac surgery. Anesth Analg. 1993 Dec;77(6):1104-10. doi: 10.1213/00000539-199312000-00004.
Vallet B, Teboul JL, Cain S, Curtis S. Venoarterial CO(2) difference during regional ischemic or hypoxic hypoxia. J Appl Physiol (1985). 2000 Oct;89(4):1317-21. doi: 10.1152/jappl.2000.89.4.1317.
Bakker J, Vincent JL, Gris P, Leon M, Coffernils M, Kahn RJ. Veno-arterial carbon dioxide gradient in human septic shock. Chest. 1992 Feb;101(2):509-15. doi: 10.1378/chest.101.2.509.
Mecher CE, Rackow EC, Astiz ME, Weil MH. Venous hypercarbia associated with severe sepsis and systemic hypoperfusion. Crit Care Med. 1990 Jun;18(6):585-9. doi: 10.1097/00003246-199006000-00001.
Groeneveld AB. Interpreting the venous-arterial PCO2 difference. Crit Care Med. 1998 Jun;26(6):979-80. doi: 10.1097/00003246-199806000-00002. No abstract available.
Faden H. Prophylactic antibiotics in pediatrics cardiovascular surgery: current practices. Ann Thorac Surg. 1981 Mar;31(3):211-3. doi: 10.1016/s0003-4975(10)60928-9.
Moller JE, Sionis A, Aissaoui N, Ariza A, Belohlavek J, De Backer D, Farber G, Gollmann-Tepekoylu C, Mebazaa A, Price S, Swol J, Thiele H, Hassager C. Step by step daily management of short-term mechanical circulatory support for cardiogenic shock in adults in the intensive cardiac care unit: a clinical consensus statement of the Association for Acute CardioVascular Care of the European Society of Cardiology SC, the European Society of Intensive Care Medicine, the European branch of the Extracorporeal Life Support Organization, and the European Association for Cardio-Thoracic Surgery. Eur Heart J Acute Cardiovasc Care. 2023 Jul 7;12(7):475-485. doi: 10.1093/ehjacc/zuad064.
Chiolero RL, Revelly JP, Leverve X, Gersbach P, Cayeux MC, Berger MM, Tappy L. Effects of cardiogenic shock on lactate and glucose metabolism after heart surgery. Crit Care Med. 2000 Dec;28(12):3784-91. doi: 10.1097/00003246-200012000-00002.
Khosravani H, Shahpori R, Stelfox HT, Kirkpatrick AW, Laupland KB. Occurrence and adverse effect on outcome of hyperlactatemia in the critically ill. Crit Care. 2009;13(3):R90. doi: 10.1186/cc7918. Epub 2009 Jun 12.
Valenza F, Aletti G, Fossali T, Chevallard G, Sacconi F, Irace M, Gattinoni L. Lactate as a marker of energy failure in critically ill patients: hypothesis. Crit Care. 2005;9(6):588-93. doi: 10.1186/cc3818. Epub 2005 Sep 28.
Laine GA, Hu BY, Wang S, Thomas Solis R, Reul GJ Jr. Isolated high lactate or low central venous oxygen saturation after cardiac surgery and association with outcome. J Cardiothorac Vasc Anesth. 2013 Dec;27(6):1271-6. doi: 10.1053/j.jvca.2013.02.031. Epub 2013 Sep 5.
Abrams D, Combes A, Brodie D. What's new in extracorporeal membrane oxygenation for cardiac failure and cardiac arrest in adults? Intensive Care Med. 2014 Apr;40(4):609-12. doi: 10.1007/s00134-014-3212-0. Epub 2014 Jan 29. No abstract available.
Other Identifiers
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RECHMPL24_0215
Identifier Type: -
Identifier Source: org_study_id
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