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Simonte R, Cammarota G, Vetrugno L, De Robertis E, Longhini F, Spadaro S. Advanced Respiratory Monitoring during Extracorporeal Membrane Oxygenation. J Clin Med 2024; 13:2541. [PMID: 38731069 PMCID: PMC11084162 DOI: 10.3390/jcm13092541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2024] [Revised: 04/16/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
Advanced respiratory monitoring encompasses a diverse range of mini- or noninvasive tools used to evaluate various aspects of respiratory function in patients experiencing acute respiratory failure, including those requiring extracorporeal membrane oxygenation (ECMO) support. Among these techniques, key modalities include esophageal pressure measurement (including derived pressures), lung and respiratory muscle ultrasounds, electrical impedance tomography, the monitoring of diaphragm electrical activity, and assessment of flow index. These tools play a critical role in assessing essential parameters such as lung recruitment and overdistention, lung aeration and morphology, ventilation/perfusion distribution, inspiratory effort, respiratory drive, respiratory muscle contraction, and patient-ventilator synchrony. In contrast to conventional methods, advanced respiratory monitoring offers a deeper understanding of pathological changes in lung aeration caused by underlying diseases. Moreover, it allows for meticulous tracking of responses to therapeutic interventions, aiding in the development of personalized respiratory support strategies aimed at preserving lung function and respiratory muscle integrity. The integration of advanced respiratory monitoring represents a significant advancement in the clinical management of acute respiratory failure. It serves as a cornerstone in scenarios where treatment strategies rely on tailored approaches, empowering clinicians to make informed decisions about intervention selection and adjustment. By enabling real-time assessment and modification of respiratory support, advanced monitoring not only optimizes care for patients with acute respiratory distress syndrome but also contributes to improved outcomes and enhanced patient safety.
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Affiliation(s)
- Rachele Simonte
- Department of Medicine and Surgery, Università degli Studi di Perugia, 06100 Perugia, Italy; (R.S.); (E.D.R.)
| | - Gianmaria Cammarota
- Department of Translational Medicine, Università del Piemonte Orientale, 28100 Novara, Italy;
| | - Luigi Vetrugno
- Department of Medical, Oral and Biotechnological Sciences, University of Chieti-Pescara, 66100 Chieti, Italy;
| | - Edoardo De Robertis
- Department of Medicine and Surgery, Università degli Studi di Perugia, 06100 Perugia, Italy; (R.S.); (E.D.R.)
| | - Federico Longhini
- Department of Medical and Surgical Sciences, Università della Magna Graecia, 88100 Catanzaro, Italy
- Anesthesia and Intensive Care Unit, “R. Dulbecco” University Hospital, 88100 Catanzaro, Italy
| | - Savino Spadaro
- Department of Morphology, Surgery and Experimental Medicine, University of Ferrara, 44100 Ferrara, Italy;
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van Minnen O, Jolink FE, van den Bergh WM, Droogh JM, Oude Lansink-Hartgring A. International Survey on Mechanical Ventilation During Extracorporeal Membrane Oxygenation. ASAIO J 2024; 70:300-304. [PMID: 38051596 PMCID: PMC10977054 DOI: 10.1097/mat.0000000000002101] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2023] Open
Abstract
The optimal ventilation strategy for patients on extracorporeal membrane oxygenation (ECMO) remains uncertain. This survey reports current mechanical ventilation strategies adopted by ECMO centers worldwide. An international, multicenter, cross-sectional survey was conducted anonymously through an internet-based tool. Participants from North America, Europe, Asia, and Oceania were recruited from the extracorporeal life support organization (ELSO) directory. Responses were received from 48 adult ECMO centers (response rate 10.6%). Half of these had dedicated ventilation protocols for ECMO support. Pressure-controlled ventilation was the preferred initial ventilation mode for both venovenous ECMO (VV-ECMO) (60%) and venoarterial ECMO (VA-ECMO) (34%). In VV-ECMO, the primary goal was lung rest (93%), with rescue therapies commonly employed, especially neuromuscular blockade (93%) and prone positioning (74%). Spontaneous ventilation was typically introduced after signs of pulmonary recovery, with few centers using it as the initial mode (7%). A quarter of centers stopped sedation within 3 days after ECMO initiation. Ventilation strategies during VA-ECMO focused less on lung-protective goals and transitioned to spontaneous ventilation earlier. Ventilation strategies during ECMO support differ considerably. Controlled ventilation is predominantly used initially to provide lung rest, often facilitated by sedation and neuromuscular blockade. Few centers apply "awake ECMO" early during ECMO support, some utilizing partial neuromuscular blockade.
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Affiliation(s)
- Olivier van Minnen
- From the Department of Critical Care, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Floris E.J. Jolink
- From the Department of Critical Care, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Walter M. van den Bergh
- From the Department of Critical Care, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
| | - Joep M. Droogh
- From the Department of Critical Care, University Medical Center Groningen, University of Groningen, Groningen, the Netherlands
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3
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Fumagalli J, Pesenti A. Ventilation during extracorporeal gas exchange in acute respiratory distress syndrome. Curr Opin Crit Care 2024; 30:69-75. [PMID: 38085872 PMCID: PMC10919266 DOI: 10.1097/mcc.0000000000001125] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
PURPOSE OF REVIEW Accumulating evidence ascribes the benefit of extracorporeal gas exchange, at least in most severe cases, to the provision of a lung healing environment through the mitigation of ventilator-induced lung injury (VILI) risk. In spite of pretty homogeneous criteria for extracorporeal gas exchange application (according to the degree of hypoxemia/hypercapnia), ventilatory management during extracorporeal membrane oxygenation (ECMO)/carbon dioxide removal (ECCO 2 R) varies across centers. Here we summarize the recent evidence regarding the management of mechanical ventilation during extracorporeal gas exchange for respiratory support. RECENT FINDINGS At present, the most common approach to protect the native lung against VILI following ECMO initiation involves lowering tidal volume and driving pressure, making modest reductions in respiratory rate, while typically maintaining positive end-expiratory pressure levels unchanged.Regarding ECCO 2 R treatment, higher efficiency devices are required in order to reduce significantly respiratory rate and/or tidal volume. SUMMARY The best compromise between reduction of native lung ventilatory load, extracorporeal gas exchange efficiency, and strategies to preserve lung aeration deserves further investigation.
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Affiliation(s)
- Jacopo Fumagalli
- Department of Anesthesia, Critical Care and Emergency, Fondazione Istituto di Ricovero e cura a Carattere Scientifico Ca’ Granda Ospedale Maggiore Policlinico
| | - Antonio Pesenti
- Department of Anesthesia, Critical Care and Emergency, Fondazione Istituto di Ricovero e cura a Carattere Scientifico Ca’ Granda Ospedale Maggiore Policlinico
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy
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4
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Boesing C, Schaefer L, Graf PT, Pelosi P, Rocco PRM, Luecke T, Krebs J. Effects of different positive end-expiratory pressure titration strategies on mechanical power during ultraprotective ventilation in ARDS patients treated with veno-venous extracorporeal membrane oxygenation: A prospective interventional study. J Crit Care 2024; 79:154406. [PMID: 37690365 DOI: 10.1016/j.jcrc.2023.154406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 05/13/2023] [Accepted: 07/09/2023] [Indexed: 09/12/2023]
Abstract
PURPOSE Ultraprotective ventilation in acute respiratory distress syndrome (ARDS) patients with veno-venous extracorporeal membrane oxygenation (VV ECMO) reduces mechanical power (MP) through changes in positive end-expiratory pressure (PEEP); however, the optimal approach to titrate PEEP is unknown. This study assesses the effects of three PEEP titration strategies on MP, hemodynamic parameters, and oxygen delivery in twenty ARDS patients with VV ECMO. MATERIAL AND METHODS PEEP was titrated according to: (A) a PEEP of 10 cmH2O representing the lowest recommendation by the Extracorporeal Life Support Organization (PEEPELSO), (B) the highest static compliance of the respiratory system (PEEPCstat,RS), and (C) a target end-expiratory transpulmonary pressure of 0 cmH2O (PEEPPtpexp). RESULTS PEEPELSO was lower compared to PEEPCstat,RS and PEEPPtpexp (10.0 ± 0.0 vs. 16.2 ± 4.7 cmH2O and 17.3 ± 4.0 cmH2O, p < 0.001 each, respectively). PEEPELSO reduced MP compared to PEEPCstat,RS and PEEPPtpexp (5.3 ± 1.3 vs. 6.8 ± 2.0 and 6.9 ± 2.3 J/min, p < 0.001 each, respectively). PEEPELSO resulted in less lung stress compared to PEEPCstat,RS (p = 0.011) and PEEPPtpexp (p < 0.001) and increased cardiac output and oxygen delivery (p < 0.001 each). CONCLUSIONS An empirical PEEP of 10 cmH2O minimized MP, provided favorable hemodynamics, and increased oxygen delivery in ARDS patients treated with VV ECMO. TRIAL REGISTRATION German Clinical Trials Register (DRKS00013967). Registered 02/09/2018https://drks.de/search/en/trial/DRKS00013967.
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Affiliation(s)
- Christoph Boesing
- Department of Anesthesiology and Critical Care Medicine, University Medical Center Mannheim, Medical Faculty Mannheim of the University of Heidelberg, Theodor-Kutzer-Ufer 1-3, Mannheim 68167, Germany.
| | - Laura Schaefer
- Department of Anesthesiology and Critical Care Medicine, University Medical Center Mannheim, Medical Faculty Mannheim of the University of Heidelberg, Theodor-Kutzer-Ufer 1-3, Mannheim 68167, Germany.
| | - Peter T Graf
- Department of Anesthesiology and Critical Care Medicine, University Medical Center Mannheim, Medical Faculty Mannheim of the University of Heidelberg, Theodor-Kutzer-Ufer 1-3, Mannheim 68167, Germany.
| | - Paolo Pelosi
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy; Anesthesiology and Critical Care - San Martino Policlinico Hospital, IRCCS for Oncology and Neurosciences, Genoa, Italy
| | - Patricia R M Rocco
- Laboratory of Pulmonary Investigation, Carlos Chagas Filho Institute of Biophysics, Federal University of Rio de Janeiro, Centro de Ciências da Saúde, Avenida Carlos Chagas Filho, 373, Bloco G-014, Ilha do Fundão, Rio de Janeiro, Brazil.
| | - Thomas Luecke
- Department of Anesthesiology and Critical Care Medicine, University Medical Center Mannheim, Medical Faculty Mannheim of the University of Heidelberg, Theodor-Kutzer-Ufer 1-3, Mannheim 68167, Germany.
| | - Joerg Krebs
- Department of Anesthesiology and Critical Care Medicine, University Medical Center Mannheim, Medical Faculty Mannheim of the University of Heidelberg, Theodor-Kutzer-Ufer 1-3, Mannheim 68167, Germany.
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Fernandez-Sarmiento J, Perez MC, Bustos JD, Acevedo L, Sarta-Mantilla M, Guijarro J, Santacruz C, Pardo DF, Castro D, Rosero YV, Mulett H. Association between mechanical ventilation parameters and mortality in children with respiratory failure on ECMO: a systematic review and meta-analysis. Front Pediatr 2024; 12:1302049. [PMID: 38292212 PMCID: PMC10824827 DOI: 10.3389/fped.2024.1302049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 01/04/2024] [Indexed: 02/01/2024] Open
Abstract
Background In refractory respiratory failure (RF), extracorporeal membrane oxygenation (ECMO) is a salvage therapy that seeks to reduce lung injury induced by mechanical ventilation. The parameters of optimal mechanical ventilation in children during ECMO are not known. Pulmonary ventilatory management during this therapy may impact mortality. The objective of this study was to evaluate the association between ventilatory parameters in children during ECMO therapy and in-hospital mortality. Methods A systematic search of PubMed/MEDLINE, Embase, Cochrane, and Google Scholar from January 2013 until May 2022 (PROSPERO 450744), including studies in children with ECMO-supported RF assessing mechanical ventilation parameters, was conducted. Risk of bias was assessed using the Newcastle-Ottawa scale; heterogeneity, with absence <25% and high >75%, was assessed using I2. Sensitivity and subgroup analyses using the Mantel-Haenszel random-effects model were performed to explore the impact of methodological quality on effect size. Results Six studies were included. The median age was 3.4 years (IQR: 3.2-4.2). Survival in the 28-day studies was 69%. Mechanical ventilation parameters associated with higher mortality were a very low tidal volume ventilation (<4 ml/kg; OR: 4.70; 95% CI: 2.91-7.59; p < 0.01; I2: 38%), high plateau pressure (mean Dif: -0.70 95% CI: -0.18, -0.22; p < 0.01), and high driving pressure (mean Dif: -0.96 95% CI: -1.83, -0.09: p = 0.03). The inspired fraction of oxygen (p = 0.09) and end-expiratory pressure (p = 0.69) were not associated with higher mortality. Patients who survived had less multiple organ failure (p < 0.01). Conclusion The mechanical ventilation variables associated with higher mortality in children with ECMO-supported respiratory failure are high plateau pressures, high driving pressure and very low tidal volume ventilation. No association between mortality and other parameters of the mechanical ventilator, such as the inspired fraction of oxygen or end-expiratory pressure, was found. Systematic Review Registration https://www.crd.york.ac.uk/prospero/display_record.php?ID=CRD42023450744, PROSPERO 2023 (CRD42023450744).
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Affiliation(s)
- Jaime Fernandez-Sarmiento
- Department of Critical Care Medicine and Pediatrics, Universidad de La Sabana, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá, Colombia
| | - Maria Camila Perez
- Department of Critical Care Medicine and Pediatrics, Universidad de La Sabana, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá, Colombia
| | - Juan David Bustos
- Department of Critical Care Medicine and Pediatrics, Universidad de La Sabana, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá, Colombia
| | - Lorena Acevedo
- Department of Critical Care Medicine and Pediatrics, Universidad de La Sabana, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá, Colombia
| | - Mauricio Sarta-Mantilla
- Department of Critical Care Medicine and Pediatrics, Universidad de La Sabana, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá, Colombia
| | - Jennifer Guijarro
- Department of Critical Care Medicine and Pediatrics, Universidad de La Sabana, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá, Colombia
| | - Carlos Santacruz
- Department of Anesthesia and Cardiovascular Surgery, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá, Colombia
| | - Daniel Felipe Pardo
- Department of Anesthesia and Cardiovascular Surgery, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá, Colombia
| | - Daniel Castro
- Department of Critical Care Medicine and Pediatrics, Universidad de La Sabana, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá, Colombia
| | - Yinna Villa Rosero
- Department of Critical Care Medicine and Pediatrics, Universidad Nacional de Colombia, Bogotá, Colombia
| | - Hernando Mulett
- Department of Critical Care Medicine and Pediatrics, Universidad de La Sabana, Fundación Cardioinfantil-Instituto de Cardiología, Bogotá, Colombia
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6
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Collins PD, Giosa L, Camporota L, Barrett NA. State of the art: Monitoring of the respiratory system during veno-venous extracorporeal membrane oxygenation. Perfusion 2024; 39:7-30. [PMID: 38131204 DOI: 10.1177/02676591231210461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Monitoring the patient receiving veno-venous extracorporeal membrane oxygenation (VV ECMO) is challenging due to the complex physiological interplay between native and membrane lung. Understanding these interactions is essential to understand the utility and limitations of different approaches to respiratory monitoring during ECMO. We present a summary of the underlying physiology of native and membrane lung gas exchange and describe different tools for titrating and monitoring gas exchange during ECMO. However, the most important role of VV ECMO in severe respiratory failure is as a means of avoiding further ergotrauma. Although optimal respiratory management during ECMO has not been defined, over the last decade there have been advances in multimodal respiratory assessment which have the potential to guide care. We describe a combination of imaging, ventilator-derived or invasive lung mechanic assessments as a means to individualise management during ECMO.
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Affiliation(s)
- Patrick Duncan Collins
- Department of Critical Care Medicine, Guy's and St Thomas' National Health Service Foundation Trust, London, UK
- Centre for Human and Applied Physiological Sciences, School of Basic and Medical Biosciences, King's College London, London, UK
| | - Lorenzo Giosa
- Department of Critical Care Medicine, Guy's and St Thomas' National Health Service Foundation Trust, London, UK
| | - Luigi Camporota
- Department of Critical Care Medicine, Guy's and St Thomas' National Health Service Foundation Trust, London, UK
- Centre for Human and Applied Physiological Sciences, School of Basic and Medical Biosciences, King's College London, London, UK
| | - Nicholas A Barrett
- Department of Critical Care Medicine, Guy's and St Thomas' National Health Service Foundation Trust, London, UK
- Centre for Human and Applied Physiological Sciences, School of Basic and Medical Biosciences, King's College London, London, UK
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7
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Teijeiro-Paradis R, Cherkos Dawit T, Munshi L, Ferguson ND, Fan E. Liberation From Venovenous Extracorporeal Membrane Oxygenation for Respiratory Failure: A Scoping Review. Chest 2023; 164:1184-1203. [PMID: 37353070 DOI: 10.1016/j.chest.2023.06.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Revised: 06/03/2023] [Accepted: 06/14/2023] [Indexed: 06/25/2023] Open
Abstract
BACKGROUND Safe and timely liberation from venovenous extracorporeal membrane oxygenation (ECMO) would be expected to reduce the duration of ECMO, the risk of complications, and costs. However, how to liberate patients from venovenous ECMO effectively remains understudied. RESEARCH QUESTION What is the current state of the evidence on liberation from venovenous ECMO? STUDY DESIGN AND METHODS We systematically searched for relevant publications on liberation from venovenous ECMO in Medline and EMBASE. Citations were included if the manuscripts provided any of the following: criteria for readiness for liberation, a liberation protocol, or a definition of successful decannulation or decannulation failure. We included randomized trials, observational trials, narrative reviews, guidelines, editorials, and commentaries. We excluded single case reports and citations where the full text was unavailable. RESULTS We screened 1,467 citations to identify 39 key publications on liberation from venovenous ECMO. We then summarized the data into five main topics: current strategies used for liberation, criteria used to define readiness for liberation, conducting liberation trials, criteria used to proceed with decannulation, and parameters used to predict decannulation outcomes. INTERPRETATION Practices on liberation from venovenous ECMO are heterogeneous and are influenced strongly by clinician preference. Additional research on liberation thresholds is needed to define optimal liberation strategies and to close existing knowledge gaps in essential topics on liberation from venovenous ECMO.
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Affiliation(s)
- Ricardo Teijeiro-Paradis
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada; Institute of Medical Science, University of Toronto, Toronto, ON, Canada
| | - Tsega Cherkos Dawit
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada; Mekelle University College of Health Sciences, Mekelle, Ethiopia
| | - Laveena Munshi
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada; Department of Medicine, University of Toronto, Toronto, ON, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada; Division of Respirology & Critical Care, Department of Medicine, Sinai Health System and University Health Network, Toronto, ON, Canada
| | - Niall D Ferguson
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada; Department of Medicine, University of Toronto, Toronto, ON, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada; Division of Respirology & Critical Care, Department of Medicine, Sinai Health System and University Health Network, Toronto, ON, Canada; Toronto General Hospital Research Institute, Toronto, ON, Canada
| | - Eddy Fan
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, ON, Canada; Institute of Medical Science, University of Toronto, Toronto, ON, Canada; Department of Medicine, University of Toronto, Toronto, ON, Canada; Institute of Health Policy, Management and Evaluation, University of Toronto, Toronto, ON, Canada; Division of Respirology & Critical Care, Department of Medicine, Sinai Health System and University Health Network, Toronto, ON, Canada; Toronto General Hospital Research Institute, Toronto, ON, Canada.
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8
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Grotberg JC, Reynolds D, Kraft BD. Management of severe acute respiratory distress syndrome: a primer. Crit Care 2023; 27:289. [PMID: 37464381 DOI: 10.1186/s13054-023-04572-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 07/10/2023] [Indexed: 07/20/2023] Open
Abstract
This narrative review explores the physiology and evidence-based management of patients with severe acute respiratory distress syndrome (ARDS) and refractory hypoxemia, with a focus on mechanical ventilation, adjunctive therapies, and veno-venous extracorporeal membrane oxygenation (V-V ECMO). Severe ARDS cases increased dramatically worldwide during the Covid-19 pandemic and carry a high mortality. The mainstay of treatment to improve survival and ventilator-free days is proning, conservative fluid management, and lung protective ventilation. Ventilator settings should be individualized when possible to improve patient-ventilator synchrony and reduce ventilator-induced lung injury (VILI). Positive end-expiratory pressure can be individualized by titrating to best respiratory system compliance, or by using advanced methods, such as electrical impedance tomography or esophageal manometry. Adjustments to mitigate high driving pressure and mechanical power, two possible drivers of VILI, may be further beneficial. In patients with refractory hypoxemia, salvage modes of ventilation such as high frequency oscillatory ventilation and airway pressure release ventilation are additional options that may be appropriate in select patients. Adjunctive therapies also may be applied judiciously, such as recruitment maneuvers, inhaled pulmonary vasodilators, neuromuscular blockers, or glucocorticoids, and may improve oxygenation, but do not clearly reduce mortality. In select, refractory cases, the addition of V-V ECMO improves gas exchange and modestly improves survival by allowing for lung rest. In addition to VILI, patients with severe ARDS are at risk for complications including acute cor pulmonale, physical debility, and neurocognitive deficits. Even among the most severe cases, ARDS is a heterogeneous disease, and future studies are needed to identify ARDS subgroups to individualize therapies and advance care.
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Affiliation(s)
- John C Grotberg
- Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, 660 S. Euclid Ave, St. Louis, MO, 63110, USA.
| | - Daniel Reynolds
- Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, 660 S. Euclid Ave, St. Louis, MO, 63110, USA
| | - Bryan D Kraft
- Division of Pulmonary and Critical Care Medicine, Washington University School of Medicine, 660 S. Euclid Ave, St. Louis, MO, 63110, USA
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Estoos EM, Jocham KP, Zhang C, Benson LM, Milas A, Zakhary B. Optimal positive end-expiratory pressure reduces right ventricular dysfunction in COVID-19 patients on venovenous extracorporeal membrane oxygenation: A retrospective single-center study. J Crit Care 2023; 75:154274. [PMID: 36764115 PMCID: PMC9908009 DOI: 10.1016/j.jcrc.2023.154274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 12/07/2022] [Accepted: 01/30/2023] [Indexed: 02/11/2023]
Abstract
While mechanical ventilation practices on venovenous extracorporeal membrane oxygenation (VV ECMO) are variable, most institutions utilize a lung rest strategy utilizing relatively low positive end-expiratory pressure (PEEP). The effect of PEEP titration using esophageal manometry during VV ECMO on pulmonary and cardiac function is unknown. This was a retrospective study of 69 patients initiated on VV ECMO between March 2020 through November 2021. Patients underwent standard PEEP (typically 10 cm H2O) or optimal PEEP (PEEP titrated to an end-expiratory transpulmonary pressure 0-3 cm H2O) throughout the ECMO run. The optimal PEEP strategy had higher levels of applied PEEP (17.9 vs. 10.8 cm H2O on day 2 of ECMO), decreased incidence of hemodynamically significant RV dysfunction (4.55% vs. 44.0%, p = 0.0001), and higher survival to decannulation (72.7% vs. 44.0%, p = 0.022). Survival to discharge did not reach statistical significance (27% vs. 11%, p = 0.211). In univariate logistic regression analysis, optimal PEEP was associated with less hemodynamically significant RV dysfunction with an odds ratio (OR) of 0.06 (95% confidence interval [CI] = 0.01-0.27, p = 0.0008) and increased survival to decannulation with an OR of 3.39 (95% CI 1.23-9.79), p = 0.02), though other confounding factors may have contributed.
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Affiliation(s)
- Ethan M. Estoos
- Department of Pulmonary and Critical Care Medicine, Oregon Health & Science University, 3181 S.W. Sam Jackson Park Road, Portland, OR 97239, United States of America,Corresponding author
| | - Kevin P. Jocham
- Department of Internal Medicine, Oregon Health & Science University, 3181 S.W. Sam Jackson Park Road, Portland, OR 97239, United States of America
| | - Chengda Zhang
- Department of Pulmonary and Critical Care Medicine, Oregon Health & Science University, 3181 S.W. Sam Jackson Park Road, Portland, OR 97239, United States of America
| | - Lauren M. Benson
- Department of Pulmonary and Critical Care Medicine, Oregon Health & Science University, 3181 S.W. Sam Jackson Park Road, Portland, OR 97239, United States of America
| | - Anamaria Milas
- Department of Pulmonary and Critical Care Medicine, Oregon Health & Science University, 3181 S.W. Sam Jackson Park Road, Portland, OR 97239, United States of America
| | - Bishoy Zakhary
- Department of Pulmonary and Critical Care Medicine, Oregon Health & Science University, 3181 S.W. Sam Jackson Park Road, Portland, OR 97239, United States of America
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10
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Cerier E, Manerikar A, Kandula V, Nykiel T, Lane S, Gabaldon R, Toyoda T, Yagi Y, Bharat A, Kurihara C. Early initiation of physical and occupational therapy while on extracorporeal life support improves patients' functional activity. Artif Organs 2023; 47:870-881. [PMID: 36310407 PMCID: PMC10148928 DOI: 10.1111/aor.14446] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 10/24/2022] [Accepted: 10/26/2022] [Indexed: 11/27/2022]
Abstract
PURPOSE Managing acute respiratory distress syndrome (ARDS) patients on venovenous extracorporeal membrane oxygenation (V-V ECMO), without sedation/neuromuscular blockade to allow physical and occupational therapy (PT/OT) participation, is untraditional. Here, we investigate the impact of early PT/OT initiation on discharge functional activity for ARDS patients managed on V-V ECMO. METHODS This is a retrospective review of 67 ARDS patients managed with V-V ECMO at a single academic center from February 2018 to June 2021. Data collected included patient characteristics, days of V-V ECMO support, day of PT/OT initiation, and ambulation distance and Activity Measure for Post-Acute Care (AMPAC) Six-Clicks score on day of discharge. RESULTS Patients with >7 days of V-V ECMO support had decreased ambulation and AMPAC scores compared to those with <7 days (70.5 vs. 162.1, p < 0.01 and 12.3 vs. 16.4, p = 0.01, respectively). PT/OT initiation within 7 days after starting V-V ECMO significantly improved ambulation and AMPAC scores (163.5 vs. 59.5, p < 0.001, and 16.6 vs. 11.8, p < 0.01, respectively). Additionally, in patients with >7 days of V-V ECMO support, those who began PT/OT within 8 days of V-V ECMO cannulation had significantly improved ambulation and AMPAC scores (151.8 vs. 44.2, p < 0.01, and 16.5 vs. 11.0, p < 0.01, respectively). CONCLUSION Early PT/OT initiation in severe ARDS patients managed on V-V ECMO is associated with improved patient functional activity on day of discharge. Our study further supports the use of V-V ECMO in treatment of severe ARDS without sedation/neuromuscular blockade and specifically demonstrates PT/OT should be started early following V-V ECMO cannulation.
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Affiliation(s)
- Emily Cerier
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Adwaiy Manerikar
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Viswajit Kandula
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Tara Nykiel
- Department of Rehabilitation Services, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Shelby Lane
- Department of Rehabilitation Services, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Rebecca Gabaldon
- Department of Rehabilitation Services, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Takahide Toyoda
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Yuriko Yagi
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Ankit Bharat
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
- Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Chitaru Kurihara
- Department of Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
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11
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Assouline B, Combes A, Schmidt M. Setting and Monitoring of Mechanical Ventilation During Venovenous ECMO. Crit Care 2023; 27:95. [PMID: 36941722 PMCID: PMC10027594 DOI: 10.1186/s13054-023-04372-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/23/2023] Open
Abstract
This article is one of ten reviews selected from the Annual Update in Intensive Care and Emergency Medicine 2023. Other selected articles can be found online at https://www.biomedcentral.com/collections/annualupdate2023 . Further information about the Annual Update in Intensive Care and Emergency Medicine is available from https://link.springer.com/bookseries/8901 .
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Affiliation(s)
- Benjamin Assouline
- Médecine Intensive Réanimation, Institut de Cardiologie, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Alain Combes
- Médecine Intensive Réanimation, Institut de Cardiologie, Assistance Publique-Hôpitaux de Paris, Paris, France.
- Sorbonne Université, GRC 30, RESPIRE, UMRS 1166, ICAN Institute of Cardiometabolism and Nutrition, Paris, France.
| | - Matthieu Schmidt
- Sorbonne Université, GRC 30, RESPIRE, UMRS 1166, ICAN Institute of Cardiometabolism and Nutrition, Paris, France
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12
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Braune S, Warnke K, Kluge S. [Active mobilization during extracorporeal membrane oxygenation-safety first]. Med Klin Intensivmed Notfmed 2023; 118:317-318. [PMID: 36944858 DOI: 10.1007/s00063-023-01000-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/22/2023] [Indexed: 03/23/2023]
Affiliation(s)
- Stephan Braune
- IV. Med. Klinik: Akut‑, Notfall- und Intensivmedizin, St. Franziskus-Hospital Münster, Hohenzollernring 70, Münster, Deutschland.
| | - Katja Warnke
- Klinik für Intensivmedizin, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
| | - Stefan Kluge
- Klinik für Intensivmedizin, Universitätsklinikum Hamburg-Eppendorf, Hamburg, Deutschland
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13
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Kopanczyk R, Long MT, Satyapriya SV, Bhatt AM, Lyaker M. Developing Cardiothoracic Surgical Critical Care Intensivists: A Case for Distinct Training. MEDICINA (KAUNAS, LITHUANIA) 2022; 58:1865. [PMID: 36557067 PMCID: PMC9784574 DOI: 10.3390/medicina58121865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/24/2022]
Abstract
Cardiothoracic surgical critical care medicine is practiced by a diverse group of physicians including surgeons, anesthesiologists, pulmonologists, and cardiologists. With a wide array of specialties involved, the training of cardiothoracic surgical intensivists lacks standardization, creating significant variation in practice. Additionally, it results in siloed physicians who are less likely to collaborate and advocate for the cardiothoracic surgical critical care subspeciality. Moreover, the current model creates credentialing dilemmas, as experienced by some cardiothoracic surgeons. Through the lens of critical care anesthesiologists, this article addresses the shortcomings of the contemporary cardiothoracic surgical intensivist training standards. First, we describe the present state of practice, summarize past initiatives concerning specific training, outline why standardized education is needed, provide goals of such training standardization, and offer a list of desirable competencies that a trainee should develop to become a successful cardiothoracic surgical intensivist.
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Affiliation(s)
- Rafal Kopanczyk
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Micah T. Long
- Department of Anesthesiology, University of Wisconsin Hospitals & Clinics, Madison, WI 53792, USA
| | - Sree V. Satyapriya
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Amar M. Bhatt
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
| | - Michael Lyaker
- Department of Anesthesiology, The Ohio State University Wexner Medical Center, Columbus, OH 43210, USA
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14
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Complications Associated With Venovenous Extracorporeal Membrane Oxygenation-What Can Go Wrong? Crit Care Med 2022; 50:1809-1818. [PMID: 36094523 DOI: 10.1097/ccm.0000000000005673] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
OBJECTIVES Despite increasing use and promising outcomes, venovenous extracorporeal membrane oxygenation (V-V ECMO) introduces the risk of a number of complications across the spectrum of ECMO care. This narrative review describes the variety of short- and long-term complications that can occur during treatment with ECMO and how patient selection and management decisions may influence the risk of these complications. DATA SOURCES English language articles were identified in PubMed using phrases related to V-V ECMO, acute respiratory distress syndrome, severe respiratory failure, and complications. STUDY SELECTION Original research, review articles, commentaries, and published guidelines from the Extracorporeal Life support Organization were considered. DATA EXTRACTION Data from relevant literature were identified, reviewed, and integrated into a concise narrative review. DATA SYNTHESIS Selecting patients for V-V ECMO exposes the patient to a number of complications. Adequate knowledge of these risks is needed to weigh them against the anticipated benefit of treatment. Timing of ECMO initiation and transfer to centers capable of providing ECMO affect patient outcomes. Choosing a configuration that insufficiently addresses the patient's physiologic deficit leads to consequences of inadequate physiologic support. Suboptimal mechanical ventilator management during ECMO may lead to worsening lung injury, delayed lung recovery, or ventilator-associated pneumonia. Premature decannulation from ECMO as lungs recover can lead to clinical worsening, and delayed decannulation can prolong exposure to complications unnecessarily. Short-term complications include bleeding, thrombosis, and hemolysis, renal and neurologic injury, concomitant infections, and technical and mechanical problems. Long-term complications reflect the physical, functional, and neurologic sequelae of critical illness. ECMO can introduce ethical and emotional challenges, particularly when bridging strategies fail. CONCLUSIONS V-V ECMO is associated with a number of complications. ECMO selection, timing of initiation, and management decisions impact the presence and severity of these potential harms.
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15
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Worku ET, Yeung F, Anstey C, Shekar K. The impact of reduction in intensity of mechanical ventilation upon venovenous ECMO initiation on radiographically assessed lung edema scores: A retrospective observational study. Front Med (Lausanne) 2022; 9:1005192. [PMID: 36203770 PMCID: PMC9531725 DOI: 10.3389/fmed.2022.1005192] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Accepted: 08/26/2022] [Indexed: 11/26/2022] Open
Abstract
Background Patients with severe acute respiratory distress syndrome (ARDS) typically receive ultra-protective ventilation after extracorporeal membrane oxygenation (ECMO) is initiated. While the benefit of ECMO appears to derive from supporting “lung rest”, reductions in the intensity of mechanical ventilation, principally tidal volume limitation, may manifest radiologically. This study evaluated the relative changes in radiographic assessment of lung edema (RALE) score upon venovenous ECMO initiation in patients with severe ARDS. Methods Digital chest x-rays (CXR) performed at baseline immediately before initiation of ECMO, and at intervals post (median 1.1, 2.1, and 9.6 days) were reviewed in 39 Adult ARDS patients. One hundred fifty-six digital images were scored by two independent, blinded radiologists according to the RALE (Radiographic Assessment of Lung Edema) scoring criteria. Ventilatory data, ECMO parameters and fluid balance were recorded at corresponding time points. Multivariable analysis was performed analyzing the change in RALE score over time relative to baseline. Results The RALE score demonstrated excellent inter-rater agreement in this novel application in an ECMO cohort. Mean RALE scores increased from 28 (22–37) at baseline to 35 (26–42) (p < 0.001) on D1 of ECMO; increasing RALE was associated with higher baseline APACHE III scores [ß value +0.19 (0.08, 0.30) p = 0.001], and greater reductions in tidal volume [ß value −2.08 (−3.07, −1.10) p < 0.001] after ECMO initiation. Duration of mechanical ventilation, and ECMO support did not differ between survivors and non-survivors. Conclusions The magnitude of reductions in delivered tidal volumes correlated with increasing RALE scores (radiographic worsening) in ARDS patients receiving ECMO. Implications for patient centered outcomes remain unclear. There is a need to define appropriate ventilator settings on venovenous ECMO, counterbalancing the risks vs. benefits of optimal “lung rest” against potential atelectrauma.
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Affiliation(s)
- Elliott T. Worku
- Adult Intensive Care Services, The Prince Charles Hospital, Brisbane, QLD, Australia
- Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
- *Correspondence: Elliott T. Worku
| | - Francis Yeung
- Adult Intensive Care Services, The Prince Charles Hospital, Brisbane, QLD, Australia
| | - Chris Anstey
- Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
- School of Medicine, Griffith University, Sunshine Coast Campus, Birtinya, QLD, Australia
| | - Kiran Shekar
- Adult Intensive Care Services, The Prince Charles Hospital, Brisbane, QLD, Australia
- Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia
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16
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Zochios V, Brodie D, Shekar K, Schultz MJ, Parhar KKS. Invasive mechanical ventilation in patients with acute respiratory distress syndrome receiving extracorporeal support: a narrative review of strategies to mitigate lung injury. Anaesthesia 2022; 77:1137-1151. [PMID: 35864561 DOI: 10.1111/anae.15806] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/21/2022] [Indexed: 11/28/2022]
Abstract
Veno-venous extracorporeal membrane oxygenation is indicated in patients with acute respiratory distress syndrome and severely impaired gas exchange despite evidence-based lung protective ventilation, prone positioning and other parts of the standard algorithm for treating such patients. Extracorporeal support can facilitate ultra-lung-protective ventilation, meaning even lower volumes and pressures than standard lung-protective ventilation, by directly removing carbon dioxide in patients needing injurious ventilator settings to maintain sufficient gas exchange. Injurious ventilation results in ventilator-induced lung injury, which is one of the main determinants of mortality in acute respiratory distress syndrome. Marked reductions in the intensity of ventilation to the lowest tolerable levels under extracorporeal support may be achieved and could thereby potentially mitigate ventilator-induced lung injury and theoretically patient self-inflicted lung injury in spontaneously breathing patients with high respiratory drive. However, the benefits of this strategy may be counterbalanced by the use of continuous deep sedation and even neuromuscular blocking drugs, which may impair physical rehabilitation and impact long-term outcomes. There are currently a lack of large-scale prospective data to inform optimal invasive ventilation practices and how to best apply a holistic approach to patients receiving veno-venous extracorporeal membrane oxygenation, while minimising ventilator-induced and patient self-inflicted lung injury. We aimed to review the literature relating to invasive ventilation strategies in patients with acute respiratory distress syndrome receiving extracorporeal support and discuss personalised ventilation approaches and the potential role of adjunctive therapies in facilitating lung protection.
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Affiliation(s)
- V Zochios
- Department of Cardiothoracic Critical Care Medicine and ECMO, Glenfield Hospital, University Hospitals of Leicester National Health Service Trust, Leicester, UK.,Department of Cardiovascular Sciences, University of Leicester, UK
| | - D Brodie
- Columbia University College of Physicians and Surgeons, New York, NY, USA.,Centre for Acute Respiratory Failure, New York-Presbyterian Hospital, New York, NY, USA
| | - K Shekar
- Adult Intensive Care Services and Critical Care Research Group, The Prince Charles Hospital, Brisbane, QLD, Australia.,Institute of Health and Biomedical Innovation, Queensland University of Technology, Brisbane, QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane and Bond University, Goldcoast, QLD, Australia
| | - M J Schultz
- Department of Intensive Care, Amsterdam University Medical Centres, Amsterdam, the Netherlands.,Mahidol-Oxford Tropical Medicine Research Unit, Mahidol University, Bangkok, Thailand.,Nuffield Department of Medicine, Oxford University, Oxford, UK.,Department of Medical Affairs, Hamilton Medical AG, Bonaduz, Switzerland
| | - K K S Parhar
- Department of Critical Care Medicine, University of Calgary and Alberta Health Services, Calgary, AB, Canada
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17
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Castro DM, Morris I, Teijeiro-Paradis R, Fan E. Monitoring during extracorporeal membrane oxygenation. Curr Opin Crit Care 2022; 28:348-359. [PMID: 35275878 DOI: 10.1097/mcc.0000000000000939] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
PURPOSE OF REVIEW Extracorporeal membrane oxygenation (ECMO) offers advanced mechanical support to patients with severe acute respiratory and/or cardiac failure. Ensuring an adequate therapeutic approach as well as prevention of ECMO-associated complications, by means of timely liberation, forms an essential part of standard ECMO care and is only achievable through continuous monitoring and evaluation. This review focus on the cardiorespiratory monitoring tools that can be used to assess and titrate adequacy of ECMO therapy; as well as methods to assess readiness to wean and/or discontinue ECMO support. RECENT FINDINGS Surrogates of tissue perfusion and near infrared spectroscopy are not standards of care but may provide useful information in select patients. Echocardiography allows to determine cannulas position, evaluate cardiac structures, and function, and diagnose complications. Respiratory monitoring is mandatory to achieve lung protective ventilation and identify early lung recovery, surrogate measurements of respiratory effort and ECMO derived parameters are invaluable in optimally managing ECMO patients. SUMMARY Novel applications of existing monitoring modalities alongside evolving technological advances enable the advanced monitoring required for safe delivery of ECMO. Liberation trials are necessary to minimize time sensitive ECMO related complications; however, these have yet to be standardized.
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Affiliation(s)
- Diana Morales Castro
- Interdepartmental Division of Critical Care Medicine, Toronto General Hospital
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, Canada
| | - Idunn Morris
- Interdepartmental Division of Critical Care Medicine, Toronto General Hospital
- Discipline of Intensive Care Medicine, Nepean Clinical School, Faculty of Medicine and Health, The University of Sydney, NSW, Australia
| | | | - Eddy Fan
- Interdepartmental Division of Critical Care Medicine, Toronto General Hospital
- Institute of Health Policy, Management and Evaluation
- Department of Medicine, University of Toronto, Toronto, Canada
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18
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Fior G, Colon ZFV, Peek GJ, Fraser JF. Mechanical Ventilation during ECMO: Lessons from Clinical Trials and Future Prospects. Semin Respir Crit Care Med 2022; 43:417-425. [PMID: 35760300 DOI: 10.1055/s-0042-1749450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Acute Respiratory Distress Syndrome (ARDS) accounts for 10% of ICU admissions and affects 3 million patients each year. Despite decades of research, it is still associated with one of the highest mortality rates in the critically ill. Advances in supportive care, innovations in technologies and insights from recent clinical trials have contributed to improved outcomes and a renewed interest in the scope and use of Extracorporeal life support (ECLS) as a treatment for severe ARDS, including high flow veno-venous Extracorporeal Membrane Oxygenation (VV-ECMO) and low flow Extracorporeal Carbon Dioxide Removal (ECCO2R). The rationale being that extracorporeal gas exchange allows the use of lung protective ventilator settings, thereby minimizing ventilator-induced lung injury (VILI). Ventilation strategies are adapted to the patient's condition during the different stages of ECMO support. Several areas in the management of mechanical ventilation in patients on ECMO, such as the best ventilator mode, extubation-decannulation sequence and tracheostomy timing, are tailored to the patients' recovery. Reduction in sedation allowing mobilization, nutrition and early rehabilitation are subsequent therapeutic goals after lung rest has been achieved.
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Affiliation(s)
- Gabriele Fior
- Critical Care Research Group, The Prince Charles Hospital, Brisbane, QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia
| | - Zasha F Vazquez Colon
- Department of Pediatrics, Division of Pediatric Critical Care, University of Florida, Shands Children's Hospital, Gainesville, Florida
| | - Giles J Peek
- Department of Surgery, Congenital Heart Center, Shands Children's Hospital, Gainesville, University of Florida, Gainesville, Florida
| | - John F Fraser
- Critical Care Research Group, The Prince Charles Hospital, Brisbane, QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane, QLD, Australia.,Intensive Care Unit, St Andrew's War Memorial Hospital and The Wesley Hospital, Uniting Care Hospitals, Brisbane, QLD, Australia
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19
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Graf PT, Boesing C, Brumm I, Biehler J, Müller KW, Thiel M, Pelosi P, Rocco PRM, Luecke T, Krebs J. Ultraprotective versus apneic ventilation in acute respiratory distress syndrome patients with extracorporeal membrane oxygenation: a physiological study. J Intensive Care 2022; 10:12. [PMID: 35256012 PMCID: PMC8900404 DOI: 10.1186/s40560-022-00604-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Accepted: 02/27/2022] [Indexed: 11/15/2022] Open
Abstract
Background Even an ultraprotective ventilation strategy in severe acute respiratory distress syndrome (ARDS) patients treated with extracorporeal membrane oxygenation (ECMO) might induce ventilator-induced lung injury and apneic ventilation with the sole application of positive end-expiratory pressure may, therefore, be an alternative ventilation strategy. We, therefore, compared the effects of ultraprotective ventilation with apneic ventilation on oxygenation, oxygen delivery, respiratory system mechanics, hemodynamics, strain, air distribution and recruitment of the lung parenchyma in ARDS patients with ECMO. Methods In a prospective, monocentric physiological study, 24 patients with severe ARDS managed with ECMO were ventilated using ultraprotective ventilation (tidal volume 3 ml/kg of predicted body weight) with a fraction of inspired oxygen (FiO2) of 21%, 50% and 90%. Patients were then treated with apneic ventilation with analogous FiO2. The primary endpoint was the effect of the ventilation strategy on oxygenation and oxygen delivery. The secondary endpoints were mechanical power, stress, regional air distribution, lung recruitment and the resulting strain, evaluated by chest computed tomography, associated with the application of PEEP (apneic ventilation) and/or low VT (ultraprotective ventilation). Results Protective ventilation, compared to apneic ventilation, improved oxygenation (arterial partial pressure of oxygen, p < 0.001 with FiO2 of 50% and 90%) and reduced cardiac output. Both ventilation strategies preserved oxygen delivery independent of the FiO2. Protective ventilation increased driving pressure, stress, strain, mechanical power, as well as induced additional recruitment in the non-dependent lung compared to apneic ventilation. Conclusions In patients with severe ARDS managed with ECMO, ultraprotective ventilation compared to apneic ventilation improved oxygenation, but increased stress, strain, and mechanical power. Apneic ventilation might be considered as one of the options in the initial phase of ECMO treatment in severe ARDS patients to facilitate lung rest and prevent ventilator-induced lung injury. Trial registration: German Clinical Trials Register (DRKS00013967). Registered 02/09/2018. https://www.drks.de/drks_web/navigate.do?navigationId=trial.HTML&TRIAL_ID=DRKS00013967. Supplementary Information The online version contains supplementary material available at 10.1186/s40560-022-00604-9.
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20
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Depta F, Turčan A, Török P, Kapraľová P, Gentile MA. COVID-19–related acute respiratory distress syndrome treated with veno-venous extracorporeal membrane oxygenation and programmed multi-level ventilation: a case report. Acute Crit Care 2022; 37:470-473. [PMID: 35081707 PMCID: PMC9475149 DOI: 10.4266/acc.2021.01109] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 10/05/2021] [Indexed: 11/30/2022] Open
Abstract
We report a patient with severe coronavirus disease 2019 (COVID-19) acute respiratory distress syndrome (ARDS) treated with veno-venous extracorporeal membrane oxygenation (VV ECMO) and programmed multi-level ventilation (PMLV). VV ECMO as a treatment modality for severe ARDS has been described multiple times as a rescue therapy for refractory hypoxemia. It is well known that conventional ventilation can cause ventilator-induced lung injury. Protective ventilation during VV ECMO seems to be beneficial, translating to using low tidal volumes, prone positioning with general concept of open lung approach. However, mechanical ventilation is still required as ECMO per se is usually not sufficient to maintain adequate gas exchange due to hyperdynamic state of the patient and limitation of blood flow via VV ECMO. This report describes ventilation strategy using PMLV during “resting” period of the lung. In short, PMLV is a strategy for ventilating non-homogenous lungs that incorporates expiratory time constants and multiple levels of positive end-expiratory pressure. Using this approach, most affected acute lung injury/ARDS areas can be recruited, while preventing overdistension in healthy areas. To our knowledge, case report using such ventilation strategy for lung resting period has not been previously published.
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21
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Zeng C, Lagier D, Lee JW, Melo MFV. Perioperative Pulmonary Atelectasis: Part I. Biology and Mechanisms. Anesthesiology 2022; 136:181-205. [PMID: 34499087 PMCID: PMC9869183 DOI: 10.1097/aln.0000000000003943] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Pulmonary atelectasis is common in the perioperative period. Physiologically, it is produced when collapsing forces derived from positive pleural pressure and surface tension overcome expanding forces from alveolar pressure and parenchymal tethering. Atelectasis impairs blood oxygenation and reduces lung compliance. It is increasingly recognized that it can also induce local tissue biologic responses, such as inflammation, local immune dysfunction, and damage of the alveolar-capillary barrier, with potential loss of lung fluid clearance, increased lung protein permeability, and susceptibility to infection, factors that can initiate or exaggerate lung injury. Mechanical ventilation of a heterogeneously aerated lung (e.g., in the presence of atelectatic lung tissue) involves biomechanical processes that may precipitate further lung damage: concentration of mechanical forces, propagation of gas-liquid interfaces, and remote overdistension. Knowledge of such pathophysiologic mechanisms of atelectasis and their consequences in the healthy and diseased lung should guide optimal clinical management.
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Affiliation(s)
- Congli Zeng
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - David Lagier
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
| | - Jae-Woo Lee
- Department of Anesthesia, University of California San Francisco, San Francisco, CA, USA
| | - Marcos F. Vidal Melo
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, Boston, MA, USA
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22
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Al-Fares AA, Ferguson ND, Ma J, Cypel M, Keshavjee S, Fan E, Del Sorbo L. Achieving Safe Liberation During Weaning from VV-ECMO in Patients with Severe ARDS: The role of Tidal Volume and Inspiratory Effort. Chest 2021; 160:1704-1713. [PMID: 34166645 DOI: 10.1016/j.chest.2021.05.068] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 04/16/2021] [Accepted: 05/25/2021] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Weaning from venovenous extracorporeal membrane oxygenation (VV-ECMO) is not well studied. VV-ECMO can be discontinued when patients tolerate non-injurious mechanical ventilation (MV) during a sweep gas off trial (SGOT). However, predictors of safe liberation are unknown. RESEARCH QUESTION Can safe liberation from VV-ECMO be predicted at the bedside? STUDY DESIGN AND METHODS We conducted 2 observational studies of adults weaned from VV-ECMO for severe ARDS at Toronto General Hospital. We analyzed MV settings, respiratory mechanics and clinical variables to predict safe liberation from VV-ECMO, defined a priori as avoidance of ECMO recannulation, increase MV support, need for rescue therapy or hemodynamic instability developed within 48 hours after decannulation. RESULTS During both studies, 83 patients were weaned from VV-ECMO, of whom 21 (25%) did not meet criteria for safe liberation. In the retrospective study, higher tidal volume per predicted body weight (VTpbw, OR 1.58, 95%CI 1.05-2.40, P=0.03) and heart rate (HR, OR 1.07, 95%CI 1.01-1.13, P=0.02) at the end of SGOT were significantly associated with increased odds of unsafe liberation when adjusted for age (OR 1.02, 95%CI 0.95-1.09, P=0.63) and SOFA (OR 1.16, 95%CI 0.86-1.56, P=0.34). Change in ventilatory ratio (VR) had an imprecise association (OR 2.71, 95%CI 0.93-7.92, P=0.06) with unsafe liberation when adjusted for age (OR 1.03, 95%CI 0.96-1.10, P=0.42), SOFA (OR 1.11, 95%CI 0.81-1.51, P=0.52) and heart rate (OR 1.07, 95%CI 1.01-1.13, P=0.02). In the prospective study, patients who had unsafe liberation from VV-ECMO also had significantly higher inspiratory efforts (esophageal pressure swings 9 [7-13] vs 18 [7-25] cmH2O, p=0.03), and worse outcomes (longer MV duration, ICU and hospital length of stay). INTERPRETATION Patients with higher tidal volume, heart rate, ventilatory ratio, and esophageal pressures swings during SGOT were less likely to achieve safe liberation from VV-ECMO.
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Affiliation(s)
- Abdulrahman A Al-Fares
- Deapartment of Anesthesia, Critical Care Medicine and Pain Medicine, Al-Amiri Hospital, Ministry of Health, Kuwait(,); Kuwait Extracorporeal life support program, Al-Amiri Hospital Center for Advance Respiratory and Cardiac Failure, Ministry of Health, Kuwait; Interdepartmental Division of Critical Care Medicine, University of Toronto, Canada; Extracorporeal Life Support Program, Toronto General Hospital, Canada
| | - Niall D Ferguson
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Canada; Extracorporeal Life Support Program, Toronto General Hospital, Canada; Institute of Health Management, Policy and Evaluation, University of Toronto; Toronto General Hospital Research Institute, Toronto, Canada
| | - Jin Ma
- Biostatistics Research Unit, University Health Network, Toronto, ON, Canada
| | - Marcelo Cypel
- Extracorporeal Life Support Program, Toronto General Hospital, Canada; Toronto General Hospital Research Institute, Toronto, Canada
| | - Shaf Keshavjee
- Extracorporeal Life Support Program, Toronto General Hospital, Canada; Toronto General Hospital Research Institute, Toronto, Canada
| | - Eddy Fan
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Canada; Extracorporeal Life Support Program, Toronto General Hospital, Canada; Institute of Health Management, Policy and Evaluation, University of Toronto; Toronto General Hospital Research Institute, Toronto, Canada
| | - Lorenzo Del Sorbo
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Canada; Extracorporeal Life Support Program, Toronto General Hospital, Canada.
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23
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Effect of Driving Pressure Change During Extracorporeal Membrane Oxygenation in Adults With Acute Respiratory Distress Syndrome: A Randomized Crossover Physiologic Study. Crit Care Med 2021; 48:1771-1778. [PMID: 33044283 DOI: 10.1097/ccm.0000000000004637] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
OBJECTIVES Venovenous extracorporeal membrane oxygenation is an effective intervention to improve gas exchange in patients with severe acute respiratory distress syndrome. However, the mortality of patients with severe acute respiratory distress syndrome supported with venovenous extracorporeal membrane oxygenation remains high, and this may be due in part to a lack of standardized mechanical ventilation strategies aimed at further minimizing ventilator-induced lung injury. We tested whether a continuous positive airway pressure ventilation strategy mitigates ventilator-induced lung injury in patients with severe acute respiratory distress syndrome on venovenous extracorporeal membrane oxygenation, compared with current ventilation practice that employs tidal ventilation with limited driving pressure. We used plasma biomarkers as a surrogate outcome for ventilator-induced lung injury. DESIGN Randomized crossover physiologic study. SETTING Single-center ICU. PATIENTS Ten patients with severe acute respiratory distress syndrome supported on venovenous extracorporeal membrane oxygenation. INTERVENTIONS The study included four phases. After receiving pressure-controlled ventilation with driving pressure of 10 cm H2O for 1 hour (phase 1), patients were randomly assigned to receive first either pressure-controlled ventilation 20 cm H2O for 2 hours (phase 2) or continuous positive airway pressure for 2 hours (phase 3), and then crossover to the other phase for 2 hours; during phase 4 ventilation settings returned to baseline (pressure-controlled ventilation 10 cm H2O) for 4 hours. MEASUREMENTS AND MAIN RESULTS There was a linear relationship between the change in driving pressure and the plasma concentration of interleukin-6, soluble receptor for advanced glycation end products, interleukin-1ra, tumor necrosis factor alpha, surfactant protein D, and interleukin-10. CONCLUSIONS Ventilator-induced lung injury may occur in acute respiratory distress syndrome patients on venovenous extracorporeal membrane oxygenation despite the delivery of volume- and pressure-limited mechanical ventilation. Reducing driving pressure to zero may provide more protective mechanical ventilation in acute respiratory distress syndrome patients supported with venovenous extracorporeal membrane oxygenation. However, the risks versus benefits of such an approach need to be confirmed in studies that are designed to test patient centered outcomes.
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Brown G, Moynihan KM, Deatrick KB, Hoskote A, Sandhu HS, Aganga D, Deshpande SR, Menon AP, Rozen T, Raman L, Alexander PMA. Extracorporeal Life Support Organization (ELSO): Guidelines for Pediatric Cardiac Failure. ASAIO J 2021; 67:463-475. [PMID: 33788796 DOI: 10.1097/mat.0000000000001431] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
These guidelines are applicable to neonates and children with cardiac failure as indication for extracorporeal life support. These guidelines address patient selection, management during extracorporeal membrane oxygenation, and pathways for weaning support or bridging to other therapies. Equally important issues, such as personnel, training, credentialing, resources, follow-up, reporting, and quality assurance, are addressed in other Extracorporeal Life Support Organization documents or are center-specific.
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Affiliation(s)
- Georgia Brown
- From the Cardiac Intensive Care Unit, The Royal Children's Hospital, Melbourne, Australia
| | - Katie M Moynihan
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
| | - Kristopher B Deatrick
- Division of Cardiac Surgery, University of Maryland School of Medicine, Baltimore, Maryland
| | - Aparna Hoskote
- Cardiorespiratory and Critical Care Division, Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Hitesh S Sandhu
- Department of Pediatrics, Critical Care Division, Le Bonheur Children's Hospital, University of Tennessee, Memphis, Tennessee
| | - Devon Aganga
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, Minnesota
- Department of Pediatric and Adolescent Medicine, Mayo Clinic, Rochester, Minnesota
| | - Shriprasad R Deshpande
- Pediatric Cardiology Division, Heart Transplant and Advanced Cardiac Therapies Program, Children's National Heart Institute, Washington, D.C
| | - Anuradha P Menon
- Children's Intensive Care Unit, Department of Paediatric Subspecialties, KK Women's and Children's Hospital, Singapore
| | - Thomas Rozen
- From the Cardiac Intensive Care Unit, The Royal Children's Hospital, Melbourne, Australia
| | - Lakshmi Raman
- Department of Critical Care, University of Texas Southwestern Medical Center, Texas
| | - Peta M A Alexander
- Department of Cardiology, Boston Children's Hospital, Boston, Massachusetts
- Department of Pediatrics, Harvard Medical School, Boston, Massachusetts
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Das S, Gupta S, Das D, Dutta N. Basics of extra corporeal membrane oxygenation: a pediatric intensivist's perspective. Perfusion 2021; 37:439-455. [PMID: 33765881 DOI: 10.1177/02676591211005260] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Extra Corporeal membrane oxygenation (ECMO) is one of the most advanced forms of life support therapy in the Intensive Care Unit. It relies on the principle where an external artificial circuit carries venous blood from the patient to a gas exchange device (oxygenator) within which blood becomes enriched with oxygen and has carbon dioxide removed. The blood is then returned to the patient via a central vein or an artery. The goal of ECMO is to provide a physiologic milieu for recovery in refractory cardiac/respiratory failure. The technology is not a definitive treatment for a disease, but provides valuable time for the body to recover. In that way it can be compared to a bridge, where patients are initiated on ECMO as a bridge to recovery, bridge to decision making, bridge to transplant or bridge to diagnosis. The use of this modality in children is not backed by a lot of randomized controlled trials, but the use has increased dramatically in our country in last 10 years. This article is not intended to provide an in-depth overview of ECMO, but outlines the basic principles that a pediatric intensive care physician should know in order to manage a kid on ECMO support.
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Affiliation(s)
- Shubhadeep Das
- Department of Pediatric Cardiac Intensive Care, NH Narayana Superspeciality Hospital, Howrah, West Bengal, India
| | - Sandip Gupta
- Department of Pediatric Intensive Care, Aster CMI Hospital, Bangalore, Karnataka, India
| | - Debasis Das
- Department of Cardiac Surgery, NH Narayana Superspeciality Hospital, Howrah, West Bengal, India
| | - Nilanjan Dutta
- Department of Cardiac Surgery, NH Narayana Superspeciality Hospital, Howrah, West Bengal, India
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Extracorporeal Gas Exchange for Acute Respiratory Distress Syndrome: Open Questions, Controversies and Future Directions. MEMBRANES 2021; 11:membranes11030172. [PMID: 33670987 PMCID: PMC7997339 DOI: 10.3390/membranes11030172] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Revised: 02/23/2021] [Accepted: 02/24/2021] [Indexed: 02/06/2023]
Abstract
Veno-venous extracorporeal membrane oxygenation (V-V ECMO) in acute respiratory distress syndrome (ARDS) improves gas exchange and allows lung rest, thus minimizing ventilation-induced lung injury. In the last forty years, a major technological and clinical improvement allowed to dramatically improve the outcome of patients treated with V-V ECMO. However, many aspects of the care of patients on V-V ECMO remain debated. In this review, we will focus on main issues and controversies on caring of ARDS patients on V-V ECMO support. Particularly, the indications to V-V ECMO and the feasibility of a less invasive extracorporeal carbon dioxide removal will be discussed. Moreover, the controversies on management of mechanical ventilation, prone position and sedation will be explored. In conclusion, we will discuss evidences on transfusions and management of anticoagulation, also focusing on patients who undergo simultaneous treatment with ECMO and renal replacement therapy. This review aims to discuss all these clinical aspects with an eye on future directions and perspectives.
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Time-Course of Physiologic Variables During Extracorporeal Membrane Oxygenation and Outcome of Severe Acute Respiratory Distress Syndrome. ASAIO J 2021; 66:663-670. [PMID: 31335371 DOI: 10.1097/mat.0000000000001048] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
In patients undergoing extracorporeal membrane oxygenation (ECMO) for acute respiratory distress syndrome (ARDS), it is unknown which clinical physiologic variables should be monitored to follow the evolution of lung injury and extrapulmonary organ dysfunction and to differentiate patients according to their course. We analyzed the time-course of prospectively collected clinical physiologic variables in 83 consecutive ARDS patients undergoing ECMO at a single referral center. Selected variables-including ventilator settings, respiratory system compliance, intrapulmonary shunt, arterial blood gases, central hemodynamics, and sequential organ failure assessment (SOFA) score-were compared according to outcome at time-points corresponding to 0%, 25%, 50%, 75%, and 100% of the entire ECMO duration and daily during the first 7 days. A logistic regression analysis was performed to identify changes between ECMO start and end that independently predicted hospital mortality. Tidal volume, intrapulmonary shunt, arterial lactate, and SOFA score differentiated survivors and nonsurvivors early during the first 7 days and over the entire ECMO duration. Respiratory system compliance, PaO2/FiO2 ratio, arterial pH, and mean pulmonary arterial pressure showed distinct temporal course according to outcome over the entire ECMO duration. Lack of improvement of SOFA score independently predicted hospital mortality. In ARDS patients on ECMO, temporal trends of specific physiologic parameters differentiate survivors from non-survivors and could be used to monitor the evolution of lung injury. Progressive worsening of extrapulmonary organ dysfunction is associated with worse outcome.
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Belliato M, Epis F, Cremascoli L, Ferrari F, Quattrone MG, Fisser C, Malfertheiner MV, Taccone FS, Di Nardo M, Broman LM, Lorusso R. Mechanical Power during Veno-Venous Extracorporeal Membrane Oxygenation Initiation: A Pilot-Study. MEMBRANES 2021; 11:membranes11010030. [PMID: 33401668 PMCID: PMC7824596 DOI: 10.3390/membranes11010030] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Revised: 12/27/2020] [Accepted: 12/29/2020] [Indexed: 12/27/2022]
Abstract
Mechanical power (MP) represents a useful parameter to describe and quantify the forces applied to the lungs during mechanical ventilation (MV). In this multi-center, prospective, observational study, we analyzed MP variations following MV adjustments after veno-venous extra-corporeal membrane oxygenation (VV ECMO) initiation. We also investigated whether the MV parameters (including MP) in the early phases of VV ECMO run may be related to the intensive care unit (ICU) mortality. Thirty-five patients with severe acute respiratory distress syndrome were prospectively enrolled and analyzed. After VV ECMO initiation, we observed a significant decrease in median MP (32.4 vs. 8.2 J/min, p < 0.001), plateau pressure (27 vs. 21 cmH2O, p = 0.012), driving pressure (11 vs. 8 cmH2O, p = 0.014), respiratory rate (RR, 22 vs. 14 breaths/min, p < 0.001), and tidal volume adjusted to patient ideal body weight (VT/IBW, 5.5 vs. 4.0 mL/kg, p = 0.001) values. During the early phase of ECMO run, RR (17 vs. 13 breaths/min, p = 0.003) was significantly higher, while positive end-expiratory pressure (10 vs. 14 cmH2O, p = 0.048) and VT/IBW (3.0 vs. 4.0 mL/kg, p = 0.028) were lower in ICU non-survivors, when compared to the survivors. The observed decrease in MP after ECMO initiation did not influence ICU outcome. Waiting for large studies assessing the role of these parameters in VV ECMO patients, RR and MP monitoring should not be underrated during ECMO.
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Affiliation(s)
- Mirko Belliato
- 2nd Intensive Care Unit, UOC Anestesia e Rianimazione II Cardiopolmonare, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy;
| | - Francesco Epis
- 2nd Intensive Care Unit, UOC Anestesia e Rianimazione II Cardiopolmonare, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy;
- Correspondence: ; Tel.: +39-0382-503524
| | - Luca Cremascoli
- Department of Clinical-Surgical, Diagnostic and Paediatric Sciences, Unit of Anaesthesia and Intensive Care, University of Pavia, 27100 Pavia, Italy; (L.C.); (M.G.Q.)
| | - Fiorenza Ferrari
- 1st Intensive Care Unit, UOC Anestesia e Rianimazione I, Fondazione IRCCS Policlinico San Matteo, 27100 Pavia, Italy;
- International Renal Research Institute of Vicenza (IRRIV) and Department of Nephrology, Dialysis and Transplantation, 36100 Vicenza, Italy
| | - Maria Giovanna Quattrone
- Department of Clinical-Surgical, Diagnostic and Paediatric Sciences, Unit of Anaesthesia and Intensive Care, University of Pavia, 27100 Pavia, Italy; (L.C.); (M.G.Q.)
| | - Christoph Fisser
- Department of Internal Medicine II, Cardiology and Pneumology, Intensive Care, University Hospital Regensburg, 93053 Regensburg, Germany; (C.F.); (M.V.M.)
| | - Maximilian Valentin Malfertheiner
- Department of Internal Medicine II, Cardiology and Pneumology, Intensive Care, University Hospital Regensburg, 93053 Regensburg, Germany; (C.F.); (M.V.M.)
| | - Fabio Silvio Taccone
- Department of Intensive Care, Erasme Hospital, Université Libre de Bruxelles, Cliniques Universitaires de Brussels, 1070 Brussels, Belgium;
| | - Matteo Di Nardo
- Pediatric Intensive Care, Bambino Gesù Children’s Hospital, IRCCS, 00165 Rome, Italy;
| | - Lars Mikael Broman
- ECMO Centre Karolinska, Astrid Lindgren Children’s Hospital, Karolinska University Hospital, and Department of Physiology and Pharmacology, Karolinska Institutet, 171 64 Solna (Stockholm), Sweden;
| | - Roberto Lorusso
- Department of Cardio-Thoracic Surgery, Heart and Vascular Centre, Maastricht University Medical Centre (MUMC), 6229 HX Maastricht, The Netherlands;
- Cardiovascular Research Institute Maastricht (CARIM), 6229 ER Maastricht, The Netherlands
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Shih E, DiMaio JM, Squiers JJ, Banwait JK, Meyer DM, George TJ, Schwartz GS. Venovenous extracorporeal membrane oxygenation for patients with refractory coronavirus disease 2019 (COVID-19): Multicenter experience of referral hospitals in a large health care system. J Thorac Cardiovasc Surg 2020; 163:1071-1079.e3. [PMID: 33419553 PMCID: PMC7704331 DOI: 10.1016/j.jtcvs.2020.11.073] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 10/24/2020] [Accepted: 11/01/2020] [Indexed: 01/19/2023]
Abstract
BACKGROUND The benefit of extracorporeal membrane oxygenation (ECMO) for patients with severe acute respiratory distress from coronavirus disease 2019 refractory to medical management and lung-protective mechanical ventilation has not been adequately determined. METHODS We reviewed the clinical course of 37 patients with laboratory-confirmed severe acute respiratory syndrome coronavirus 2 infection supported by venovenous ECMO at 4 ECMO referral centers within a large health care system. Patient characteristics, progression of hemodynamics and inflammatory markers, and clinical outcomes were evaluated. RESULTS The patients had median age of 51 years (interquartile range, 40-59), and 73% were male. Peak plateau pressures, vasopressor requirements, and arterial partial pressure of carbon dioxide all improved with ECMO support. In our patient population, 24 of 37 patients (64.8%) survived to decannulation and 21 of 37 patients (56.8%) survived to discharge. Among patients discharged alive from the ECMO facility, 12 patients were discharged to a long-term acute care or rehabilitation facility, 2 were transferred back to the referring hospital for ventilatory weaning, and 7 were discharged directly home. For patients who were successfully decannulated, median length of time on ECMO was 17 days (interquartile range, 10-33.5). CONCLUSIONS Venovenous ECMO represents a useful therapy for patients with refractory severe acute respiratory distress syndrome from coronavirus disease 2019.
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Affiliation(s)
- Emily Shih
- Department of General Surgery, Baylor University Medical Center, Dallas, Tex
| | - J Michael DiMaio
- Department of Cardiothoracic Surgery, Baylor Scott and White The Heart Hospitals, Plano, Tex; Baylor Scott and White Research Institute, Dallas, Tex.
| | - John J Squiers
- Department of General Surgery, Baylor University Medical Center, Dallas, Tex; Department of Cardiothoracic Surgery, Baylor Scott and White The Heart Hospitals, Plano, Tex
| | | | - Dan M Meyer
- Department of Cardiothoracic Surgery, Baylor University Medical Center, Dallas, Tex
| | - Timothy J George
- Department of Cardiothoracic Surgery, Baylor Scott and White The Heart Hospitals, Plano, Tex
| | - Gary S Schwartz
- Department of Cardiothoracic Surgery, Baylor University Medical Center, Dallas, Tex
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Low Spontaneous Breathing Effort during Extracorporeal Membrane Oxygenation in a Porcine Model of Severe Acute Respiratory Distress Syndrome. Anesthesiology 2020; 133:1106-1117. [PMID: 32898217 DOI: 10.1097/aln.0000000000003538] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
BACKGROUND A lung rest strategy is recommended during extracorporeal membrane oxygenation in severe acute respiratory distress syndrome (ARDS). However, spontaneous breathing modes are frequently used in this context. The impact of this approach may depend on the intensity of breathing efforts. The authors aimed to determine whether a low spontaneous breathing effort strategy increases lung injury, compared to a controlled near-apneic ventilation, in a porcine severe ARDS model assisted by extracorporeal membrane oxygenation. METHODS Twelve female pigs were subjected to lung injury by repeated lavages, followed by 2-h injurious ventilation. Thereafter, animals were connected to venovenous extracorporeal membrane oxygenation and during the first 3 h, ventilated with near-apneic ventilation (positive end-expiratory pressure, 10 cm H2O; driving pressure, 10 cm H2O; respiratory rate, 5/min). Then, animals were allocated into (1) near-apneic ventilation, which continued with the previous ventilatory settings; and (2) spontaneous breathing: neuromuscular blockers were stopped, sweep gas flow was decreased until regaining spontaneous efforts, and ventilation was switched to pressure support mode (pressure support, 10 cm H2O; positive end-expiratory pressure, 10 cm H2O). In both groups, sweep gas flow was adjusted to keep Paco2 between 30 and 50 mmHg. Respiratory and hemodynamic as well as electric impedance tomography data were collected. After 24 h, animals were euthanized and lungs extracted for histologic tissue analysis. RESULTS Compared to near-apneic group, the spontaneous breathing group exhibited a higher respiratory rate (52 ± 17 vs. 5 ± 0 breaths/min; mean difference, 47; 95% CI, 34 to 59; P < 0.001), but similar tidal volume (2.3 ± 0.8 vs. 2.8 ± 0.4 ml/kg; mean difference, 0.6; 95% CI, -0.4 to 1.4; P = 0.983). Extracorporeal membrane oxygenation settings and gas exchange were similar between groups. Dorsal ventilation was higher in the spontaneous breathing group. No differences were observed regarding histologic lung injury. CONCLUSIONS In an animal model of severe ARDS supported with extracorporeal membrane oxygenation, spontaneous breathing characterized by low-intensity efforts, high respiratory rates, and very low tidal volumes did not result in increased lung injury compared to controlled near-apneic ventilation. EDITOR’S PERSPECTIVE
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Zeng C, Motta-Ribeiro GC, Hinoshita T, Lessa MA, Winkler T, Grogg K, Kingston NM, Hutchinson JN, Sholl LM, Fang X, Varelas X, Layne MD, Baron RM, Vidal Melo MF. Lung Atelectasis Promotes Immune and Barrier Dysfunction as Revealed by Transcriptome Sequencing in Female Sheep. Anesthesiology 2020; 133:1060-1076. [PMID: 32796202 PMCID: PMC7572680 DOI: 10.1097/aln.0000000000003491] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
BACKGROUND Pulmonary atelectasis is frequent in clinical settings. Yet there is limited mechanistic understanding and substantial clinical and biologic controversy on its consequences. The authors hypothesize that atelectasis produces local transcriptomic changes related to immunity and alveolar-capillary barrier function conducive to lung injury and further exacerbated by systemic inflammation. METHODS Female sheep underwent unilateral lung atelectasis using a left bronchial blocker and thoracotomy while the right lung was ventilated, with (n = 6) or without (n = 6) systemic lipopolysaccharide infusion. Computed tomography guided samples were harvested for NextGen RNA sequencing from atelectatic and aerated lung regions. The Wald test was used to detect differential gene expression as an absolute fold change greater than 1.5 and adjusted P value (Benjamini-Hochberg) less than 0.05. Functional analysis was performed by gene set enrichment analysis. RESULTS Lipopolysaccharide-unexposed atelectatic versus aerated regions presented 2,363 differentially expressed genes. Lipopolysaccharide exposure induced 3,767 differentially expressed genes in atelectatic lungs but only 1,197 genes in aerated lungs relative to the corresponding lipopolysaccharide-unexposed tissues. Gene set enrichment for immune response in atelectasis versus aerated tissues yielded negative normalized enrichment scores without lipopolysaccharide (less than -1.23, adjusted P value less than 0.05) but positive scores with lipopolysaccharide (greater than 1.33, adjusted P value less than 0.05). Leukocyte-related processes (e.g., leukocyte migration, activation, and mediated immunity) were enhanced in lipopolysaccharide-exposed atelectasis partly through interferon-stimulated genes. Furthermore, atelectasis was associated with negatively enriched gene sets involving alveolar-capillary barrier function irrespective of lipopolysaccharide (normalized enrichment scores less than -1.35, adjusted P value less than 0.05). Yes-associated protein signaling was dysregulated with lower nuclear distribution in atelectatic versus aerated lung (lipopolysaccharide-unexposed: 10.0 ± 4.2 versus 13.4 ± 4.2 arbitrary units, lipopolysaccharide-exposed: 8.1 ± 2.0 versus 11.3 ± 2.4 arbitrary units, effect of lung aeration, P = 0.003). CONCLUSIONS Atelectasis dysregulates the local pulmonary transcriptome with negatively enriched immune response and alveolar-capillary barrier function. Systemic lipopolysaccharide converts the transcriptomic immune response into positive enrichment but does not affect local barrier function transcriptomics. Interferon-stimulated genes and Yes-associated protein might be novel candidate targets for atelectasis-associated injury. EDITOR’S PERSPECTIVE
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Affiliation(s)
- Congli Zeng
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, United States
| | - Gabriel C. Motta-Ribeiro
- Biomedical Engineering Program, Alberto Luiz Coimbra Institute of Post-Graduation and Engineering Research, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Takuga Hinoshita
- Department of Intensive Care Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Marcos Adriano Lessa
- Laboratory of Cardiovascular Investigation, Oswaldo Cruz Institute, Fiocruz, Rio de Janeiro, Brazil
| | - Tilo Winkler
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, United States
| | - Kira Grogg
- Department of Radiology, Massachusetts General Hospital, Boston, United States
| | - Nathan M Kingston
- Department of Biochemistry, Boston University School of Medicine, Boston, United States
| | - John N. Hutchinson
- Department of Biostatistics, Harvard Chan School of Public Health, Boston, United States
| | - Lynette Marie Sholl
- Department of Pathology, Brigham and Women's Hospital, Harvard Medical School, Boston, United States
| | - Xiangming Fang
- Department of Anesthesiology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xaralabos Varelas
- Department of Biochemistry, Boston University School of Medicine, Boston, United States
| | - Matthew D. Layne
- Department of Biochemistry, Boston University School of Medicine, Boston, United States
| | - Rebecca M. Baron
- Department of Medicine (Pulmonary and Critical Care), Brigham and Women's Hospital, Harvard Medical School, Boston, United States
| | - Marcos F. Vidal Melo
- Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, United States
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Ventilatory management of patients on ECMO. Indian J Thorac Cardiovasc Surg 2020; 37:248-253. [PMID: 33967448 PMCID: PMC8062618 DOI: 10.1007/s12055-020-01021-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2019] [Revised: 07/16/2020] [Accepted: 07/22/2020] [Indexed: 01/09/2023] Open
Abstract
Extracorporeal membrane oxygenation (ECMO) is the final treatment offered to patients of acute respiratory distress syndrome (ARDS). The survival (to discharge) of patients on veno-venous ECMO is approximately 59% with an average duration of 8 days. The ventilatory management of lungs during the ECMO may have an impact on mortality. An ideal ventilation modality should promote recovery, prevent further damage to the alveoli, and enable weaning from mechanical ventilation. This article reviews the concept of “baby lung” in ARDS and the current evidence for the use of lung protective ventilation, prevention of ventilator-induced lung injury, recommended modes of mechanical ventilation, ideal ventilatory parameters (tidal volume, positive end expiratory pressure, plateau pressure, respiratory rate, fractional inspired oxygen concentration), and use of adjuncts (prone positioning, neuromuscular blocking agents) during the ECMO course.
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Don't Drive Blind: Driving Pressure to Optimize Ventilator Management in ECMO. Lung 2020; 198:785-792. [PMID: 32705400 PMCID: PMC7377310 DOI: 10.1007/s00408-020-00381-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 07/13/2020] [Indexed: 11/19/2022]
Abstract
Introduction Driving pressure (DP) while on ECMO has been studied in acute respiratory distress syndrome (ARDS) but no studies exist in those on ECMO without ARDS. We aimed to study association of mortality with DP in all patients on ECMO and compare change in DP before and after initiation of ECMO. Methods Consecutive patients placed on ECMO either veno-arterial ECMO or veno-venous ECMO between August 2010 and February 2017 were reviewed. The outcomes were compared based on DP before and after ECMO initiation. Results A total of 192 patients were included: 68 (35%) had ARDS while 124 (65%) did not. There were 70 individuals for whom DP was available, 33 (47%) had a decrease in DP, whereas 32 (46%) had an increase in DP and 5 (7%) had no change in DP after ECMO initiation. Those with an increase in DP had a higher initial PEEP (14 vs 9 cm H2O, p < 0.001) and a higher PEEP decrease after ECMO (6.4 cm H2O vs by 2.5 cm H2O, p < 0.001). Those with an increase in DP had a significantly longer stay on ECMO than those without (p = 0.022). On multivariable analysis, higher DP 24 h after ECMO initiation was associated with an increase in 30-day mortality (OR 1.15, 75% CI 1.07–1.24, p ≤ 0.001). Conclusion A significant proportion of patients experienced an increase in driving pressure and decrease in compliance after initiation of ECMO. Higher driving pressure after initiation of ECMO is associated with increased adjusted 30-day mortality. Individualized ventilator strategies are needed to reduce mechanical stress while on ECMO.
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Should Patients With Acute Respiratory Distress Syndrome on Venovenous Extracorporeal Membrane Oxygenation Have Ventilatory Support Reduced to the Lowest Tolerable Settings? Yes. Crit Care Med 2020; 47:1143-1146. [PMID: 31149964 DOI: 10.1097/ccm.0000000000003835] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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Schmidt M, Pham T, Arcadipane A, Agerstrand C, Ohshimo S, Pellegrino V, Vuylsteke A, Guervilly C, McGuinness S, Pierard S, Breeding J, Stewart C, Ching SSW, Camuso JM, Stephens RS, King B, Herr D, Schultz MJ, Neuville M, Zogheib E, Mira JP, Rozé H, Pierrot M, Tobin A, Hodgson C, Chevret S, Brodie D, Combes A. Mechanical Ventilation Management during Extracorporeal Membrane Oxygenation for Acute Respiratory Distress Syndrome. An International Multicenter Prospective Cohort. Am J Respir Crit Care Med 2020; 200:1002-1012. [PMID: 31144997 DOI: 10.1164/rccm.201806-1094oc] [Citation(s) in RCA: 171] [Impact Index Per Article: 42.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Rationale: Current practices regarding mechanical ventilation in patients treated with extracorporeal membrane oxygenation (ECMO) for acute respiratory distress syndrome are unknown.Objectives: To report current practices regarding mechanical ventilation in patients treated with ECMO for severe acute respiratory distress syndrome (ARDS) and their association with 6-month outcomes.Methods: This was an international, multicenter, prospective cohort study of patients undergoing ECMO for ARDS during a 1-year period in 23 international ICUs.Measurements and Main Results: We collected demographics, daily pre- and per-ECMO mechanical ventilation settings and use of adjunctive therapies, ICU, and 6-month outcome data for 350 patients (mean ± SD pre-ECMO PaO2/FiO2 71 ± 34 mm Hg). Pre-ECMO use of prone positioning and neuromuscular blockers were 26% and 62%, respectively. Vt (6.4 ± 2.0 vs. 3.7 ± 2.0 ml/kg), plateau pressure (32 ± 7 vs. 24 ± 7 cm H2O), driving pressure (20 ± 7 vs. 14 ± 4 cm H2O), respiratory rate (26 ± 8 vs. 14 ± 6 breaths/min), and mechanical power (26.1 ± 12.7 vs. 6.6 ± 4.8 J/min) were markedly reduced after ECMO initiation. Six-month survival was 61%. No association was found between ventilator settings during the first 2 days of ECMO and survival in multivariable analysis. A time-varying Cox model retained older age, higher fluid balance, higher lactate, and more need for renal-replacement therapy along the ECMO course as being independently associated with 6-month mortality. A higher Vt and lower driving pressure (likely markers of static compliance improvement) across the ECMO course were also associated with better outcomes.Conclusions: Ultraprotective lung ventilation on ECMO was largely adopted across medium- to high-case volume ECMO centers. In contrast with previous observations, mechanical ventilation settings during ECMO did not impact patients' prognosis in this context.
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Affiliation(s)
- Matthieu Schmidt
- INSERM UMRS_1166-iCAN, Institute of Cardiometabolism and Nutrition, UPMC Univ Paris 06, Sorbonne Université, Paris, France.,Assistance Publique-Hôpitaux de Paris, Medical Intensive Care Unit, Pitié-Salpêtrière Hospital, Paris, France
| | - Tài Pham
- Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada.,Keenan Research Centre for Biomedical Science, Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Ontario, Canada
| | - Antonio Arcadipane
- Department of Anesthesia and Intensive Care, IRCCS-ISMETT Istituto Mediterraneo per i Trapianti e terapie ad alta specializzazione, Palermo, Italy
| | - Cara Agerstrand
- Department of Medicine, Columbia University College of Physicians and Surgeons/New York-Presbyterian Hospital, New York, New York
| | - Shinichiro Ohshimo
- Department of Emergency and Critical Care Medicine, Graduate School of Biomedical & Health Sciences, Hiroshima University, Hiroshima, Japan
| | | | - Alain Vuylsteke
- Department of Anaesthesia and Intensive Care, Royal Papworth Hospital, Cambridge, United Kingdom
| | - Christophe Guervilly
- Center for Studies and Research on Health Services and Quality of Life EA3279, Service de Medecine Intensive et Reanimation, CHU Hopital Nord, Assistance Publique Hôpitaux de Marseille, Aix-Marseille University, Marseille, France
| | - Shay McGuinness
- Cardiothoracic & Vascular ICU, Auckland City Hospital, Auckland, New Zealand
| | - Sophie Pierard
- Pôle de Recherche Cardiovasculaire, Institute de Recherche Expérimentale et Clinique, Cardiothoracic Intensive Care, Cliniques Universitaires Saint-Luc, Université Catholique de Louvain, Brussels, Belgium
| | - Jeff Breeding
- St. Vincent's Hospital, New South Wales, Sydney, Australia
| | - Claire Stewart
- Department of Anaesthetics, Royal Prince Alfred Hospital, Sydney University Medical School, Sydney, New South Wales, Australia
| | - Simon Sin Wai Ching
- Department of Adult Intensive Care, Queen Mary Hospital, the University of Hong Kong, Hong Kong
| | - Janice M Camuso
- Division of Cardiac Surgery, Massachusetts General Hospital, Boston, Massachusetts
| | - R Scott Stephens
- Division of Pulmonary and Critical Care Medicine, Johns Hopkins University, Baltimore, Maryland
| | - Bobby King
- Department of Intensive Care, Pamela Youde Nethersole Eastern Hospital, Chai Wan, Hong Kong
| | | | | | - Mathilde Neuville
- Bichat Hospital, Medical and Infectious Diseases Intensive Care Unit, Paris Diderot University, AP-HP, Paris, France.,UMR1148, LVTS, Sorbonne Paris Cité, Inserm/Paris Diderot University, Paris, France
| | - Elie Zogheib
- Cardiothoracic and Vascular Intensive Care Unit, Amiens University Hospital, Amiens, France.,INSERM U1088, Jules Verne University of Picardy, Amiens, France
| | - Jean-Paul Mira
- Assistance Publique des Hôpitaux de Paris, Groupe Hospitalier Universitaire de Paris Centre, Médecine Intensive RéanimationHôpital Cochin, Paris, France.,Paris Descartes Sorbonne Paris Cité University, Paris, France.,Department of Infection, Immunity and Inflammation, Cochin Institute, Inserm U1016, Paris, France
| | - Hadrien Rozé
- South Department of Anesthesiology and Critical Care, Bordeaux University Hospital, Pessac, France
| | - Marc Pierrot
- Service de Réanimation Médicale, Centre Hospitalier Universitaire d'Angers, Angers, France
| | - Anthony Tobin
- Department of Critical Care Medicine, St. Vincent's Hospital Melbourne, Fitzroy, Australia
| | - Carol Hodgson
- Intensive Care Unit, Alfred Hospital, Melbourne, Australia.,Australian and New Zealand Intensive Care Research Centre, Monash University, Melbourne, Australia
| | - Sylvie Chevret
- Biostatistics Team, Saint-Louis Hospital, AP-HP, Paris, France; and.,ECSTRA Team, Biostatistics and Clinical Epidemiology, UMR 1153 (CRESS), INSERM, Paris Diderot Sorbonne University, Paris, France
| | - Daniel Brodie
- Department of Medicine, Columbia University College of Physicians and Surgeons/New York-Presbyterian Hospital, New York, New York
| | - Alain Combes
- INSERM UMRS_1166-iCAN, Institute of Cardiometabolism and Nutrition, UPMC Univ Paris 06, Sorbonne Université, Paris, France.,Assistance Publique-Hôpitaux de Paris, Medical Intensive Care Unit, Pitié-Salpêtrière Hospital, Paris, France
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Early mobilisation during extracorporeal membrane oxygenation was safe and feasible: a pilot randomised controlled trial. Intensive Care Med 2020; 46:1057-1059. [DOI: 10.1007/s00134-020-05994-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/02/2020] [Indexed: 10/24/2022]
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Early Driving Pressure Changes Predict Outcomes during Venovenous Extracorporeal Membrane Oxygenation for Acute Respiratory Distress Syndrome. Crit Care Res Pract 2020; 2020:6958152. [PMID: 32257436 PMCID: PMC7085355 DOI: 10.1155/2020/6958152] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Revised: 01/23/2020] [Accepted: 02/11/2020] [Indexed: 01/19/2023] Open
Abstract
Background Extracorporeal membrane oxygenation (ECMO) serves as a rescue therapy when systemic hypoxia persists despite conventional care for severe acute respiratory distress syndrome (ARDS). Due to the extracorporeal gas exchange, the paO2/FiO2 ratio cannot be used as the primary marker for disease severity and progression. Therefore, we performed a propensity score-matched analysis to identify other potential predictors of outcomes in patients supported by ECMO therapy. Results Between December 2014 and May 2018, 105 patients underwent venovenous ECMO in our institution. From these patients, we identified 28 who died during ECMO therapy and assigned 28 control patients using propensity score matching based on the following criteria: age, ARDS severity, and SAPSII score at admission. A statistical evaluation of the patient characteristics, intensive care data, morbidities, respiratory system variables, and outcomes was performed. The baseline patient characteristics did not differ between groups and ECMO was placed on day 1 in all patients. The analyzed variables of respiratory mechanics, such as the plateau pressure, positive end-expiratory pressure, and tidal volume, did not differ between groups. The driving pressure before ECMO was equal between the nonsurvivors and the controls. Twelve hours after initiation of ECMO therapy, the driving pressure decreased by 40.8% in the survivors but by only 20.1% in the nonsurvivors. Conclusions We report that very early driving pressure changes can serve as an indicator of disease severity and predict patient survival following ECMO therapy.
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Anticoagulation Management and Antithrombin Supplementation Practice during Veno-venous Extracorporeal Membrane Oxygenation. Anesthesiology 2020; 132:562-570. [DOI: 10.1097/aln.0000000000003044] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Abstract
Background
There is a lack of consensus on how to manage anticoagulation during veno-venous extracorporeal membrane oxygenation, including antithrombin monitoring and supplementation. The authors’ aim was to determine current practice in a large number of extracorporeal membrane oxygenation centers around the world.
Methods
This was an electronic survey disseminated in 2018 to directors and coordinators of extracorporeal membrane oxygenation centers as well as to extracorporeal membrane oxygenation experts. Participating centers were classified according to some covariates that may affect practice, including 2017 gross national income per capita, primary patient population, and annual extracorporeal membrane oxygenation patient volume.
Results
The authors analyzed 273 unique responses from 50 countries. Systemic anticoagulation was routinely prescribed in 264 (96.7%) centers, with unfractionated heparin being the drug of choice in 255 (96.6%) of them. The preferred method to monitor anticoagulation was activated partial thromboplastin time in 114 (41.8%) centers, activated clotting time in 82 (30.0%) centers, and anti-factor Xa activity in 62 (22.7%) centers. Circulating antithrombin activity was routinely monitored in 133 (48.7%) centers. Antithrombin supplementation was routinely prescribed in 104 (38.1%) centers. At multivariable analyzes, routine antithrombin supplementation was associated with national income, being less likely in lower- than in higher-income countries (odds ratio, 0.099 [95% CI, 0.022 to 0.45]; P = 0.003); with primary patient population being more frequent in mixed (odds ratio, 2.73 [1.23 to 6.0]; P = 0.013) and pediatric-only centers (odds ratio, 6.3 [2.98 to 13.2]; P < 0.001) than in adult-only centers; but not with annual volume of extracorporeal membrane oxygenation cases, being similarly common in smaller and larger centers (odds ratio, 1.00 [0.48 to 2.08]; P = 0.997).
Conclusions
There is large practice variation among institutions regarding anticoagulation management and antithrombin supplementation during veno-venous extracorporeal membrane oxygenation. The paucity of prospective studies and differences across institutions based on national income and primary patient population may contribute to these findings.
Editor’s Perspective
What We Already Know about This Topic
What This Article Tells Us That Is New
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Na SJ, Jeon K. Extracorporeal membrane oxygenation support in adult patients with acute respiratory distress syndrome. Expert Rev Respir Med 2020; 14:511-519. [PMID: 32089016 DOI: 10.1080/17476348.2020.1734457] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Introduction: The global number of patients receiving extracorporeal membrane oxygenation (ECMO) support has been growing after several studies highlighted the favorable results attained in cases of severe respiratory failure. However, evidence-based guidelines for optimal use of ECMO are lacking.Areas covered: This review covers optimal candidates, timing of initiation, strategies for patient management including mechanical ventilation, and decision-making regarding discontinuation of ECMO based on its potential role in treatment of patients with acute respiratory distress syndrome.Expert opinion: Early initiation of ECMO should be considered if hypoxemia and uncompensated hypercapnia do not respond to optimal conventional treatment. Use of a comprehensive management approach for preventing additional lung injury and extrapulmonary organ failure is critical during ECMO support to ensure the best outcome. The possibility of weaning from ECMO should be fully assessed by a multidisciplinary team during ECMO support. Futility should not be determined solely by duration of ECMO, and use of prolonged ECMO for lung recovery may be worthwhile.
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Affiliation(s)
- Soo Jin Na
- Department of Critical Care Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
| | - Kyeongman Jeon
- Department of Critical Care Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea.,Division of Pulmonary and Critical Care Medicine, Department of Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Republic of Korea
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Knisley J, DeBruyn E, Weaver M. Management of Extracorporeal Membrane Oxygenation for Obstetric Patients: Concerns for Critical Care Nurses. Crit Care Nurse 2019; 39:e8-e15. [PMID: 30936139 DOI: 10.4037/ccn2019620] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Critical care nurses are faced with many challenges, and one that is particularly stressful is caring for obstetric patients. This care can become more complex when the obstetric patient requires extracorporeal membrane oxygenation. It is imperative that critical care nurses have knowledge about this unique population, the expected physical changes of pregnancy, and the management of extracorporeal membrane oxygenation. Obstetric patients present unique challenges, and care is focused on the woman and her family. The purpose of this paper is to provide information for critical care nurses regarding care of obstetric patients who receive extracorporeal membrane oxygenation.
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Affiliation(s)
- Jody Knisley
- Jody Knisley is a nurse practitioner at The Ohio State University Wexner Medical Center, Columbus, Ohio.,Erin DeBruyn is a women's health nurse practitioner in a private obstetrics and gynecology practice in Nashville, Tennessee.,Michelle Weaver is a nurse practitioner at The Ohio State University Wexner Medical Center
| | - Erin DeBruyn
- Jody Knisley is a nurse practitioner at The Ohio State University Wexner Medical Center, Columbus, Ohio.,Erin DeBruyn is a women's health nurse practitioner in a private obstetrics and gynecology practice in Nashville, Tennessee.,Michelle Weaver is a nurse practitioner at The Ohio State University Wexner Medical Center
| | - Michelle Weaver
- Jody Knisley is a nurse practitioner at The Ohio State University Wexner Medical Center, Columbus, Ohio. .,Erin DeBruyn is a women's health nurse practitioner in a private obstetrics and gynecology practice in Nashville, Tennessee. .,Michelle Weaver is a nurse practitioner at The Ohio State University Wexner Medical Center.
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Extracorporeal Membrane Oxygenation Can Successfully Support Patients With Severe Acute Respiratory Distress Syndrome in Lieu of Mechanical Ventilation. Crit Care Med 2019; 46:e1070-e1073. [PMID: 30095500 PMCID: PMC6185806 DOI: 10.1097/ccm.0000000000003354] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVES Extracorporeal membrane oxygenation is increasingly used in the management of severe acute respiratory distress syndrome. With extracorporeal membrane oxygenation, select patients with acute respiratory distress syndrome can be managed without mechanical ventilation, sedation, or neuromuscular blockade. Published experience with this approach, specifically with attention to a patient's respiratory drive following cannulation, is limited. DESIGN We describe our experience with three consecutive patients with severe acute respiratory distress syndrome supported with right jugular-femoral configuration of venovenous extracorporeal membrane oxygenation without therapeutic anticoagulation as an alternative to lung-protective mechanical ventilation. Outcomes are reported including daily respiratory rate, vital capacities, and follow-up pulmonary function testing. RESULTS Following cannulation, patients were extubated within 24 hours. During extracorporeal membrane oxygenation support, all patients were able to maintain a normal respiratory rate and experienced steady improvements in vital capacities. Patients received oral nutrition and ambulated daily. At follow-up, no patients required supplemental oxygen. CONCLUSIONS Our results suggest that venovenous extracorporeal membrane oxygenation can provide a safe and effective alternative to lung-protective mechanical ventilation in carefully selected patients. This approach facilitates participation in physical therapy and avoids complications associated with mechanical ventilation.
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Valencia E, Nasr VG. Updates in Pediatric Extracorporeal Membrane Oxygenation. J Cardiothorac Vasc Anesth 2019; 34:1309-1323. [PMID: 31607521 DOI: 10.1053/j.jvca.2019.09.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Revised: 08/30/2019] [Accepted: 09/05/2019] [Indexed: 01/28/2023]
Abstract
Extracorporeal membrane oxygenation is an increasingly used mode of life support for patients with cardiac and/or respiratory failure refractory to conventional therapy. This review provides a synopsis of the evolution of extracorporeal life support in neonates, infants, and children and offers a framework for areas in need of research. Specific aspects addressed are the changing epidemiology; technologic advancements in extracorporeal membrane oxygenation circuitry; the current status and future direction of anticoagulation management; sedative and analgesic strategies; and outcomes, with special attention to the lessons learned from neonatal survivors.
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Affiliation(s)
- Eleonore Valencia
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA
| | - Viviane G Nasr
- Department of Anesthesiology, Critical Care and Pain Medicine, Boston Children's Hospital, Harvard Medical School, Boston, MA.
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Morales-Quinteros L, Del Sorbo L, Artigas A. Extracorporeal carbon dioxide removal for acute hypercapnic respiratory failure. Ann Intensive Care 2019; 9:79. [PMID: 31267300 PMCID: PMC6606679 DOI: 10.1186/s13613-019-0551-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Accepted: 06/24/2019] [Indexed: 02/11/2023] Open
Abstract
In the past, the only treatment of acute exacerbations of obstructive diseases with hypercapnic respiratory failure refractory to medical treatment was invasive mechanical ventilation (IMV). Considerable technical improvements transformed extracorporeal techniques for carbon dioxide removal in an attractive option to avoid worsening respiratory failure and respiratory acidosis, and to potentially prevent or shorten the duration of IMV in patients with exacerbation of COPD and asthma. In this review, we will present a summary of the pathophysiological rationale and evidence of ECCO2R in patients with severe exacerbations of these pathologies.
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Affiliation(s)
| | - Lorenzo Del Sorbo
- Interdepartmental Division of Critical Care Medicine, Toronto General Hospital, University of Toronto, Toronto, Canada
| | - Antonio Artigas
- Intensive Care Unit, Hospital Universitario Sagrado Corazón, Barcelona, Spain.,Critical Care Center, ParcTaulí Hospital Universitari, Institut d'Investigació i Innovació Parc Taulí I3PT, Universitat Autònoma de Barcelona, Sabadell, Spain.,CIBER Enfermedades Respiratorias, Instituto de Salud Carlos III, Madrid, Spain
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Kredel M, Lotz C, Rolfes C, Muellenbach R. Mechanical Ventilation during Extracorporal Support: The Relevance of Vt. Am J Respir Crit Care Med 2019; 199:930-931. [PMID: 30608863 PMCID: PMC6444665 DOI: 10.1164/rccm.201810-1985le] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Araos J, Bruhn A. Reply to Kredel et al.: Mechanical Ventilation during Extracorporal Support: The Relevance of Vt. Am J Respir Crit Care Med 2019; 199:931-932. [PMID: 30608862 PMCID: PMC6444653 DOI: 10.1164/rccm.201812-2258le] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Affiliation(s)
- Joaquin Araos
- 1 Pontificia Universidad Católica de Chile Santiago, Chile
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Millar JE, Bartnikowski N, von Bahr V, Malfertheiner MV, Obonyo NG, Belliato M, Suen JY, Combes A, McAuley DF, Lorusso R, Fraser JF. Extracorporeal membrane oxygenation (ECMO) and the acute respiratory distress syndrome (ARDS): a systematic review of pre-clinical models. Intensive Care Med Exp 2019; 7:18. [PMID: 30911932 PMCID: PMC6434011 DOI: 10.1186/s40635-019-0232-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 03/03/2019] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVES Extracorporeal membrane oxygenation (ECMO) is an increasingly accepted means of supporting those with severe acute respiratory distress syndrome (ARDS). Given the high mortality associated with ARDS, numerous animal models have been developed to support translational research. Where ARDS is combined with ECMO, models are less well characterized. Therefore, we conducted a systematic literature review of animal models combining features of experimental ARDS with ECMO to better understand this situation. DATA SOURCES MEDLINE and Embase were searched between January 1996 and December 2018. STUDY SELECTION Inclusion criteria: animal models combining features of experimental ARDS with ECMO. EXCLUSION CRITERIA clinical studies, abstracts, studies in which the model of ARDS and ECMO has been reported previously, and studies not employing veno-venous, veno-arterial, or central ECMO. DATA EXTRACTION Data were extracted to fully characterize models. Variables related to four key features: (1) study design, (2) animals and their peri-experimental care, (3) models of ARDS and mechanical ventilation, and (4) ECMO and its intra-experimental management. DATA SYNTHESIS Seventeen models of ARDS and ECMO were identified. Twelve were published after 2009. All were performed in large animals, the majority (n = 10) in pigs. The median number of animals included in each study was 17 (12-24), with a median study duration of 8 h (5-24). Oleic acid infusion was the commonest means of inducing ARDS. Most models employed peripheral veno-venous ECMO (n = 12). The reporting of supportive measures and the practice of mechanical ventilation were highly variable. Descriptions of ECMO equipment and its management were more complete. CONCLUSION A limited number of models combine the features of experimental ARDS with ECMO. Among those that do, there is significant heterogeneity in both design and reporting. There is a need to standardize the reporting of pre-clinical studies in this area and to develop best practice in their design.
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Affiliation(s)
- Jonathan E Millar
- Critical Care Research Group, The Prince Charles Hospital, Brisbane, 4035 QLD, Australia. .,Faculty of Medicine, University of Queensland, Brisbane, Australia. .,Wellcome-Wolfson Centre for Experimental Medicine, Queen's University Belfast, Belfast, UK.
| | - Nicole Bartnikowski
- Critical Care Research Group, The Prince Charles Hospital, Brisbane, 4035 QLD, Australia.,School of Chemistry, Physics and Mechanical Engineering, Queensland University of Technology, Brisbane, Australia
| | - Viktor von Bahr
- Critical Care Research Group, The Prince Charles Hospital, Brisbane, 4035 QLD, Australia.,Department of Physiology and Pharmacology, Section for Anesthesiology and Intensive Care Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Maximilian V Malfertheiner
- Critical Care Research Group, The Prince Charles Hospital, Brisbane, 4035 QLD, Australia.,Department of Internal Medicine II, Cardiology and Pneumology, University Medical Center Regensburg, Regensburg, Germany
| | - Nchafatso G Obonyo
- Critical Care Research Group, The Prince Charles Hospital, Brisbane, 4035 QLD, Australia.,Wellcome Trust Centre for Global Health Research, Imperial College London, London, UK
| | - Mirko Belliato
- U.O.C. Anestesia e Rianimazione 1, IRCCS, Policlinico San Matteo Foundation, Pavia, Italy
| | - Jacky Y Suen
- Critical Care Research Group, The Prince Charles Hospital, Brisbane, 4035 QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane, Australia
| | - Alain Combes
- Medical-Surgical Intensive Care Unit, Hôpital Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris, Paris, France.,Institute of Cardiometabolism and Nutrition, Sorbonne University, Paris, France
| | - Daniel F McAuley
- Wellcome-Wolfson Centre for Experimental Medicine, Queen's University Belfast, Belfast, UK
| | - Roberto Lorusso
- Department of Cardiothoracic Surgery, Heart & Vascular Centre, Maastricht University Medical Hospital, Maastricht, Netherlands
| | - John F Fraser
- Critical Care Research Group, The Prince Charles Hospital, Brisbane, 4035 QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane, Australia
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Araos J, Alegria L, Garcia P, Cruces P, Soto D, Erranz B, Amthauer M, Salomon T, Medina T, Rodriguez F, Ayala P, Borzone GR, Meneses M, Damiani F, Retamal J, Cornejo R, Bugedo G, Bruhn A. Near-Apneic Ventilation Decreases Lung Injury and Fibroproliferation in an Acute Respiratory Distress Syndrome Model with Extracorporeal Membrane Oxygenation. Am J Respir Crit Care Med 2019; 199:603-612. [DOI: 10.1164/rccm.201805-0869oc] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023] Open
Affiliation(s)
| | | | | | - Pablo Cruces
- Center of Acute Respiratory Critical Illness, Santiago, Chile
- Centro de Investigación de Medicina Veterinaria, Escuela de Medicina Veterinaria, Facultad de Ecología y Recursos Naturales, Universidad Andrés Bello, Santiago, Chile
| | | | - Benjamín Erranz
- Centro de Medicina Regenerativa, Facultad de Medicina Clínica Alemana–Universidad del Desarrollo, Santiago, Chile
| | | | - Tatiana Salomon
- Unidad de Pacientes Críticos Pediátrica, Clínica Alemana, Santiago, Chile
| | - Tania Medina
- Escuela de Enfermería, Facultad de Medicina, Universidad Finis Terrae, Santiago, Chile
| | | | - Pedro Ayala
- Departamento de Enfermedades Respiratorias, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Gisella R. Borzone
- Departamento de Enfermedades Respiratorias, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Manuel Meneses
- Departamento de Anatomía Patológica, Instituto Nacional del Tórax, Santiago, Chile
| | - Felipe Damiani
- Departamento de Medicina Intensiva
- Escuela de Kinesiología, Facultad de Ciencias, Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile; and
| | - Jaime Retamal
- Departamento de Medicina Intensiva
- Center of Acute Respiratory Critical Illness, Santiago, Chile
| | - Rodrigo Cornejo
- Center of Acute Respiratory Critical Illness, Santiago, Chile
- Unidad de Pacientes Críticos, Departamento de Medicina, Hospital Clínico Universidad de Chile, Santiago, Chile
| | - Guillermo Bugedo
- Departamento de Medicina Intensiva
- Center of Acute Respiratory Critical Illness, Santiago, Chile
| | - Alejandro Bruhn
- Departamento de Medicina Intensiva
- Center of Acute Respiratory Critical Illness, Santiago, Chile
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Ratnani I, Tuazon D, Zainab A, Uddin F. The Role and Impact of Extracorporeal Membrane Oxygenation in Critical Care. Methodist Debakey Cardiovasc J 2018; 14:110-119. [PMID: 29977467 DOI: 10.14797/mdcj-14-2-110] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Use of extracorporeal membrane oxygenation (ECMO) has been exponentially increasing over the last decade and is now considered a mainstream lifesaving treatment modality in critical care medicine. However, the need for physician education, training, and experience remains imperative. Although ECMO has traditionally been used in end-stage lung disease and circulatory collapse, it is being adopted for use in right heart failure, as a bridge to heart and lung transplantation, and as rescue therapy for both sepsis and post-organ transplantation. The following article discusses indications, management, complications, and challenges of ECMO as well as our experience at the Houston Methodist DeBakey Heart & Vascular Center.
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Patroniti N, Bonatti G, Senussi T, Robba C. Mechanical ventilation and respiratory monitoring during extracorporeal membrane oxygenation for respiratory support. ANNALS OF TRANSLATIONAL MEDICINE 2018; 6:386. [PMID: 30460260 DOI: 10.21037/atm.2018.10.11] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Over the past decade, the use of veno-venous extracorporeal membrane oxygenation (VV-ECMO) for respiratory support has widely expanded as a treatment strategy for patients with acute respiratory distress syndrome (ARDS). Despite considerable attention has been given to the indications, the timing and the management of patients undergoing ECMO for refractory respiratory hypoxemic failure, little is known regarding the management of mechanical ventilation (MV) in this group of patients. ECMO enables to minimize ventilatory induced lung injury (VILI) and it has been successfully used as rescue therapy in patients with ARDS when conventional ventilator strategies have failed. However, literature is lacking regarding the best strategies and MV settings, including positive end expiratory pressure (PEEP), tidal volume (VT), respiratory rate (RR) and plateau pressure (PPLAT). The aim of this review is to summarize current evidence, the rationale and provide recommendations about the best ventilator strategy to adopt in patients with ARDS undergoing VV-ECMO support.
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Affiliation(s)
- Nicolò Patroniti
- Anaesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology, Genoa, Italy.,Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Giulia Bonatti
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Tarek Senussi
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Genoa, Italy
| | - Chiara Robba
- Anaesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology, Genoa, Italy
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Alviar CL, Miller PE, McAreavey D, Katz JN, Lee B, Moriyama B, Soble J, van Diepen S, Solomon MA, Morrow DA. Positive Pressure Ventilation in the Cardiac Intensive Care Unit. J Am Coll Cardiol 2018; 72:1532-1553. [PMID: 30236315 PMCID: PMC11032173 DOI: 10.1016/j.jacc.2018.06.074] [Citation(s) in RCA: 118] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2018] [Revised: 06/18/2018] [Accepted: 06/19/2018] [Indexed: 12/16/2022]
Abstract
Contemporary cardiac intensive care units (CICUs) provide care for an aging and increasingly complex patient population. The medical complexity of this population is partly driven by an increased proportion of patients with respiratory failure needing noninvasive or invasive positive pressure ventilation (PPV). PPV often plays an important role in the management of patients with cardiogenic pulmonary edema, cardiogenic shock, or cardiac arrest, and those undergoing mechanical circulatory support. Noninvasive PPV, when appropriately applied to selected patients, may reduce the need for invasive mechanical PPV and improve survival. Invasive PPV can be lifesaving, but has both favorable and unfavorable interactions with left and right ventricular physiology and carries a risk of complications that influence CICU mortality. Effective implementation of PPV requires an understanding of the underlying cardiac and pulmonary pathophysiology. Cardiologists who practice in the CICU should be proficient with the indications, appropriate selection, potential cardiopulmonary interactions, and complications of PPV.
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Affiliation(s)
- Carlos L Alviar
- Division of Cardiovascular Medicine, University of Florida College of Medicine, Gainesville, Florida
| | - P Elliott Miller
- Division of Cardiovascular Medicine, Yale University School of Medicine, New Haven, Connecticut; Critical Care Medicine, National Institutes of Health Clinical Center, Bethesda, Maryland
| | - Dorothea McAreavey
- Critical Care Medicine, National Institutes of Health Clinical Center, Bethesda, Maryland
| | - Jason N Katz
- Divisions of Cardiology and Pulmonary and Critical Care Medicine, University of North Carolina, Center for Heart and Vascular Care Chapel Hill, Chapel Hill, North Carolina
| | - Burton Lee
- Division of Pulmonary, Allergy and Critical Care Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Brad Moriyama
- Critical Care Medicine, National Institutes of Health Clinical Center, Bethesda, Maryland
| | - Jeffrey Soble
- Division of Cardiovascular Medicine, Rush University Medical Center, Chicago, Illinois
| | - Sean van Diepen
- Department of Critical Care and Division of Cardiology, University of Alberta, Edmonton, Alberta, Canada
| | - Michael A Solomon
- Critical Care Medicine, National Institutes of Health Clinical Center, Bethesda, Maryland; Cardiovascular Branch, National Heart, Lung, and Blood Institute, Bethesda, Maryland
| | - David A Morrow
- Cardiovascular Division, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.
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