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Lopez MP, Applefeld W, Miller PE, Elliott A, Bennett C, Lee B, Barnett C, Solomon MA, Corradi F, Sionis A, Mireles-Cabodevila E, Tavazzi G, Alviar CL. Complex Heart-Lung Ventilator Emergencies in the CICU. Cardiol Clin 2024; 42:253-271. [PMID: 38631793 DOI: 10.1016/j.ccl.2024.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
This review aims to enhance the comprehension and management of cardiopulmonary interactions in critically ill patients with cardiovascular disease undergoing mechanical ventilation. Highlighting the significance of maintaining a delicate balance, this article emphasizes the crucial role of adjusting ventilation parameters based on both invasive and noninvasive monitoring. It provides recommendations for the induction and liberation from mechanical ventilation. Special attention is given to the identification of auto-PEEP (positive end-expiratory pressure) and other situations that may impact hemodynamics and patients' outcomes.
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Affiliation(s)
- Mireia Padilla Lopez
- Department of Cardiology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute IIB Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Willard Applefeld
- Division of Cardiology, Duke University Medical Center, Durham, NC, USA
| | - P. Elliott Miller
- Division of Cardiovascular Medicine, Yale University School of Medicine, New Haven, CT, USA
| | - Andrea Elliott
- Division of Cardiology, University of Minnesota, Minneapolis, MN, USA
| | - Courtney Bennett
- Heart and Vascular Institute, Leigh Valley Health Network, Allentown, PA, USA
| | - Burton Lee
- Department of Critical Care Medicine, National Institutes of Health Clinical Center, Bethesda, MA, USA
| | - Christopher Barnett
- Division of Cardiology, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Michael A Solomon
- Clinical Center and Cardiology Branch, Critical Care Medicine Department, National Heart, Lung, and Blood Institute, National Institutes of Health, Bethesda, MA, USA
| | - Francesco Corradi
- Department of Surgical, Medical, Molecular Pathology and Critical Care Medicine, University of Pisa, Pisa, Italy
| | - Alessandro Sionis
- Department of Cardiology, Hospital de la Santa Creu i Sant Pau, Biomedical Research Institute IIB Sant Pau, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Eduardo Mireles-Cabodevila
- Respiratory Institute, Cleveland Clinic, Ohio and the Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, USA
| | - Guido Tavazzi
- Department of Critical Care Medicine, Intensive Care Fondazione IRCCS Policlinico San Matteo, Pavia, Italy
| | - Carlos L Alviar
- The Leon H. Charney Division of Cardiovascular Medicine, New York University School of Medicine, USA.
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Oh AR, Lee JH. Predictors of fluid responsiveness in the operating room: a narrative review. Anesth Pain Med (Seoul) 2023; 18:233-243. [PMID: 37468195 PMCID: PMC10410540 DOI: 10.17085/apm.23072] [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: 06/15/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/21/2023] Open
Abstract
Prediction of fluid responsiveness has been considered an essential tool for modern fluid management. However, most studies in this field have focused on patients in intensive care unit despite numerous research throughout several decades. Therefore, the present narrative review aims to show the representative method's feasibility, advantages, and limitations in predicting fluid responsiveness, focusing on the operating room environments. Firstly, we described the predictors of fluid responsiveness based on heart-lung interaction, including pulse pressure and stroke volume variations, the measurement of respiratory variations of inferior vena cava diameter, and the end-expiratory occlusion test and addressed their limitations. Subsequently, the passive leg raising test and mini-fluid challenge tests were also mentioned, which assess fluid responsiveness by mimicking a classic fluid challenge. In the last part of this review, we pointed out the pitfalls of fluid management based on fluid responsiveness prediction, which emphasized the importance of individualized decision-making. Understanding the available representative methods to predict fluid responsiveness and their associated benefits and drawbacks through this review will aid anesthesiologists in choosing the most reliable methods for optimal fluid administration in each patient during anesthesia in the operating room.
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Affiliation(s)
- Ah Ran Oh
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Seoul, Korea
| | - Jong-Hwan Lee
- Department of Anesthesiology and Pain Medicine, Samsung Medical Center, Seoul, Korea
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3
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De Backer D, Aissaoui N, Cecconi M, Chew MS, Denault A, Hajjar L, Hernandez G, Messina A, Myatra SN, Ostermann M, Pinsky MR, Teboul JL, Vignon P, Vincent JL, Monnet X. How can assessing hemodynamics help to assess volume status? Intensive Care Med 2022; 48:1482-1494. [PMID: 35945344 PMCID: PMC9363272 DOI: 10.1007/s00134-022-06808-9] [Citation(s) in RCA: 67] [Impact Index Per Article: 33.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Accepted: 06/25/2022] [Indexed: 02/04/2023]
Abstract
In critically ill patients, fluid infusion is aimed at increasing cardiac output and tissue perfusion. However, it may contribute to fluid overload which may be harmful. Thus, volume status, risks and potential efficacy of fluid administration and/or removal should be carefully evaluated, and monitoring techniques help for this purpose. Central venous pressure is a marker of right ventricular preload. Very low values indicate hypovolemia, while extremely high values suggest fluid harmfulness. The pulmonary artery catheter enables a comprehensive assessment of the hemodynamic profile and is particularly useful for indicating the risk of pulmonary oedema through the pulmonary artery occlusion pressure. Besides cardiac output and preload, transpulmonary thermodilution measures extravascular lung water, which reflects the extent of lung flooding and assesses the risk of fluid infusion. Echocardiography estimates the volume status through intravascular volumes and pressures. Finally, lung ultrasound estimates lung edema. Guided by these variables, the decision to infuse fluid should first consider specific triggers, such as signs of tissue hypoperfusion. Second, benefits and risks of fluid infusion should be weighted. Thereafter, fluid responsiveness should be assessed. Monitoring techniques help for this purpose, especially by providing real time and precise measurements of cardiac output. When decided, fluid resuscitation should be performed through fluid challenges, the effects of which should be assessed through critical endpoints including cardiac output. This comprehensive evaluation of the risk, benefits and efficacy of fluid infusion helps to individualize fluid management, which should be preferred over a fixed restrictive or liberal strategy.
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Affiliation(s)
- Daniel De Backer
- Department of Intensive Care, CHIREC Hospitals, Université Libre de Bruxelles, Boulevard du Triomphe 201, 1160, Brussels, Belgium.
| | - Nadia Aissaoui
- Assistance publique des hôpitaux de Paris (APHP), Cochin Hospital, Intensive Care Medicine, médecine interne reanimation, Université de Paris and Paris Cardiovascular Research Center, INSERM U970, 25 rue Leblanc, 75015, Paris, France
| | - Maurizio Cecconi
- Humanitas Clinical and Research Center-IRCCS, Rozzano, MI, Italy.,Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, MI, Italy
| | - Michelle S Chew
- Department of Anaesthesia and Intensive Care, Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - André Denault
- Department of Anesthesiology, Montreal Heart Institute, Université de Montréal, Montreal, QC, Canada.,Critical Care Division, Montreal Heart Institute, Université de Montréal, Montreal, QC, Canada
| | - Ludhmila Hajjar
- Departamento de Cardiopneumologia, InCor, Faculdade de Medicina da Universidade de São Paulo, São Paulo, Brazil
| | - Glenn Hernandez
- Departamento de Medicina Intensiva, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Antonio Messina
- Humanitas Clinical and Research Center-IRCCS, Rozzano, MI, Italy.,Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, MI, Italy
| | - Sheila Nainan Myatra
- Department of Anaesthesiology, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, India
| | - Marlies Ostermann
- Department of Intensive Care, King's College London, Guy's & St Thomas' Hospital, London, UK
| | - Michael R Pinsky
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jean-Louis Teboul
- AP-HP, Service de médecine intensive-réanimation, Hôpital de Bicêtre, DMU 4 CORREVE, Inserm UMR S_999, FHU SEPSIS, CARMAS, Université Paris-Saclay, 78 rue du Général Leclerc, 94270, Le Kremlin-Bicêtre, France
| | - Philippe Vignon
- Medical-surgical ICU and Inserm CIC 1435, Dupuytren Teaching Hospital, 87000, Limoges, France
| | - Jean-Louis Vincent
- Department of Intensive Care, Erasme Univ Hospital, Université Libre de Bruxelles, Brussels, Belgium
| | - Xavier Monnet
- AP-HP, Service de médecine intensive-réanimation, Hôpital de Bicêtre, DMU 4 CORREVE, Inserm UMR S_999, FHU SEPSIS, CARMAS, Université Paris-Saclay, 78 rue du Général Leclerc, 94270, Le Kremlin-Bicêtre, France
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Monnet X, Shi R, Teboul JL. Prediction of fluid responsiveness. What’s new? Ann Intensive Care 2022; 12:46. [PMID: 35633423 PMCID: PMC9148319 DOI: 10.1186/s13613-022-01022-8] [Citation(s) in RCA: 71] [Impact Index Per Article: 35.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 05/09/2022] [Indexed: 02/07/2023] Open
Abstract
AbstractAlthough the administration of fluid is the first treatment considered in almost all cases of circulatory failure, this therapeutic option poses two essential problems: the increase in cardiac output induced by a bolus of fluid is inconstant, and the deleterious effects of fluid overload are now clearly demonstrated. This is why many tests and indices have been developed to detect preload dependence and predict fluid responsiveness. In this review, we take stock of the data published in the field over the past three years. Regarding the passive leg raising test, we detail the different stroke volume surrogates that have recently been described to measure its effects using minimally invasive and easily accessible methods. We review the limits of the test, especially in patients with intra-abdominal hypertension. Regarding the end-expiratory occlusion test, we also present recent investigations that have sought to measure its effects without an invasive measurement of cardiac output. Although the limits of interpretation of the respiratory variation of pulse pressure and of the diameter of the vena cava during mechanical ventilation are now well known, several recent studies have shown how changes in pulse pressure variation itself during other tests reflect simultaneous changes in cardiac output, allowing these tests to be carried out without its direct measurement. This is particularly the case during the tidal volume challenge, a relatively recent test whose reliability is increasingly well established. The mini-fluid challenge has the advantage of being easy to perform, but it requires direct measurement of cardiac output, like the classic fluid challenge. Initially described with echocardiography, recent studies have investigated other means of judging its effects. We highlight the problem of their precision, which is necessary to evidence small changes in cardiac output. Finally, we point out other tests that have appeared more recently, such as the Trendelenburg manoeuvre, a potentially interesting alternative for patients in the prone position.
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Megri M, Fridenmaker E, Disselkamp M. Where Are We Heading With Fluid Responsiveness and Septic Shock? Cureus 2022; 14:e23795. [PMID: 35518529 PMCID: PMC9065654 DOI: 10.7759/cureus.23795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/03/2022] [Indexed: 11/05/2022] Open
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Gavelli F, Castello LM, Avanzi GC. Management of sepsis and septic shock in the emergency department. Intern Emerg Med 2021; 16:1649-1661. [PMID: 33890208 PMCID: PMC8354945 DOI: 10.1007/s11739-021-02735-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Accepted: 03/30/2021] [Indexed: 12/19/2022]
Abstract
Early management of sepsis and septic shock is crucial for patients' prognosis. As the Emergency Department (ED) is the place where the first medical contact for septic patients is likely to occur, emergency physicians play an essential role in the early phases of patient management, which consists of accurate initial diagnosis, resuscitation, and early antibiotic treatment. Since the issuing of the Surviving Sepsis Campaign guidelines in 2016, several studies have been published on different aspects of sepsis management, adding a substantial amount of new information on the pathophysiology and treatment of sepsis and septic shock. In light of this emerging evidence, the present narrative review provides a comprehensive account of the recent advances in septic patient management in the ED.
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Affiliation(s)
- Francesco Gavelli
- Department of Translational Medicine, Università del Piemonte Orientale UPO, Via Solaroli 17, Novara, Italy.
- Emergency Medicine Department, AOU Maggiore Della Carità, Corso Mazzini 18, Novara, Italy.
| | - Luigi Mario Castello
- Department of Translational Medicine, Università del Piemonte Orientale UPO, Via Solaroli 17, Novara, Italy
- Emergency Medicine Department, AOU Maggiore Della Carità, Corso Mazzini 18, Novara, Italy
| | - Gian Carlo Avanzi
- Department of Translational Medicine, Università del Piemonte Orientale UPO, Via Solaroli 17, Novara, Italy
- Emergency Medicine Department, AOU Maggiore Della Carità, Corso Mazzini 18, Novara, Italy
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Gavelli F, Beurton A, Teboul JL, De Vita N, Azzolina D, Shi R, Pavot A, Monnet X. Bioreactance reliably detects preload responsiveness by the end-expiratory occlusion test when averaging and refresh times are shortened. Ann Intensive Care 2021; 11:133. [PMID: 34453633 PMCID: PMC8401368 DOI: 10.1186/s13613-021-00920-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Accepted: 08/16/2021] [Indexed: 11/17/2022] Open
Abstract
Background The end-expiratory occlusion (EEXPO) test detects preload responsiveness, but it is 15 s long and induces small changes in cardiac index (CI). It is doubtful whether the Starling bioreactance device, which averages CI over 24 s and refreshes the displayed value every 4 s (Starling-24.4), can detect the EEXPO-induced changes in CI (ΔCI). Our primary goal was to test whether this Starling device version detects preload responsiveness through EEXPO. We also tested whether shortening the averaging and refresh times to 8 s and one second, respectively, (Starling-8.1) improves the accuracy of the device in detecting preload responsiveness using EEXPO. Methods In 42 mechanically ventilated patients, during a 15-s EEXPO, we measured ∆CI through calibrated pulse contour analysis (CIpulse, PiCCO2 device) and using the Starling device. For the latter, we considered both CIStarling-24.4 from the commercial version and CIStarling-8.1 derived from the raw data. For relative ∆CIStarling-24.4 and ∆CIStarling-8.1 during EEXPO, we calculated the area under the receiver operating characteristic curve (AUROC) to detect preload responsiveness, defined as an increase in CIpulse ≥ 10% during passive leg raising (PLR). For both methods, the correlation coefficient vs. ∆CIpulse was calculated. Results Twenty-six patients were preload responders and sixteen non preload-responders. The AUROC for ∆CIStarling-24.4 was significantly lower compared to ∆CIStarling-8.1 (0.680 ± 0.086 vs. 0.899 ± 0.049, respectively; p = 0.027). A significant correlation was observed between ∆CIStarling-8.1 and ∆CIpulse (r = 0.42; p = 0.009), but not between ∆CIStarling-24.4 and ∆CIpulse. During PLR, both ∆CIStarling-24.4 and ∆CIStarling-8.1 reliably detected preload responsiveness. Conclusions Shortening the averaging and refresh times of the bioreactance signal to 8 s and one second, respectively, increases the reliability of the Starling device in detection of EEXPO-induced ∆CI. Trial registration: No. IDRCB:2018-A02825-50. Registered 13 December 2018. Supplementary Information The online version contains supplementary material available at 10.1186/s13613-021-00920-7.
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Affiliation(s)
- Francesco Gavelli
- Service de Médecine Intensive-Réanimation, Université Paris-Saclay, AP-HP, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, CARMAS, 78, Rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France. .,Emergency Medicine Unit, Department of Translational Medicine, Università degli Studi del Piemonte Orientale, 28100, Novara, Italy.
| | - Alexandra Beurton
- Service de Médecine Intensive-Réanimation, Université Paris-Saclay, AP-HP, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, CARMAS, 78, Rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
| | - Jean-Louis Teboul
- Service de Médecine Intensive-Réanimation, Université Paris-Saclay, AP-HP, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, CARMAS, 78, Rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
| | - Nello De Vita
- Service de Médecine Intensive-Réanimation, Université Paris-Saclay, AP-HP, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, CARMAS, 78, Rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
| | - Danila Azzolina
- Research Support Unit, Department of Translational Medicine, Università degli Studi del Piemonte Orientale, 28100, Novara, Italy
| | - Rui Shi
- Service de Médecine Intensive-Réanimation, Université Paris-Saclay, AP-HP, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, CARMAS, 78, Rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
| | - Arthur Pavot
- Service de Médecine Intensive-Réanimation, Université Paris-Saclay, AP-HP, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, CARMAS, 78, Rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
| | - Xavier Monnet
- Service de Médecine Intensive-Réanimation, Université Paris-Saclay, AP-HP, Hôpital de Bicêtre, DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, CARMAS, 78, Rue du Général Leclerc, 94 270, Le Kremlin-Bicêtre, France
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Bioreactance-Based Noninvasive Fluid Responsiveness and Cardiac Output Monitoring: A Pilot Study in Patients with Aneurysmal Subarachnoid Hemorrhage and Literature Review. Crit Care Res Pract 2020; 2020:2748181. [PMID: 33014461 PMCID: PMC7512079 DOI: 10.1155/2020/2748181] [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: 07/29/2019] [Revised: 08/05/2020] [Accepted: 09/03/2020] [Indexed: 11/22/2022] Open
Abstract
Management of volume status, arterial blood pressure, and cardiac output are core elements in approaching the patients with aneurysmal subarachnoid hemorrhage (SAH). For the prevention and treatment of delayed cerebral ischemia (DCI), euvolemia is advocated and caution is made towards the avoidance of hypervolemia. Induced hypertension and cardiac output augmentation are the mainstays of medical management during active DCI, whereas the older triple-H paradigm has fallen out of favor due to lack of demonstrable physiological or clinical benefits and serious concern for adverse effects such as pulmonary edema and multiorgan system dysfunction. Furthermore, insight into clinical hemodynamics of patients with SAH becomes salient when one considers the frequently associated cardiac and pulmonary manifestations of the disease such as SAH-associated cardiomyopathy and neurogenic pulmonary edema. In terms of fluid and volume targets, less attention has been paid to dynamic markers of fluid responsiveness despite the well-established, in the general critical care literature, superiority of these as compared to traditionally used static markers such as central venous pressure (CVP). Based on this literature and sound pathophysiologic reasoning, reliance on static markers (such as CVP) is unjustified when one attempts to assess strategies augmenting stroke volume (SV), arterial blood pressure, and oxygen delivery. There are several options for continuous bedside cardiorespiratory monitoring and optimization of SAH patients. We, here, review a noninvasive monitoring technique based on thoracic bioreactance and focusing on continuous cardiac output and fluid responsiveness markers.
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Monnet X, Teboul JL. Prediction of fluid responsiveness in spontaneously breathing patients. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:790. [PMID: 32647715 PMCID: PMC7333112 DOI: 10.21037/atm-2020-hdm-18] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Accepted: 05/25/2020] [Indexed: 01/01/2023]
Abstract
In patients with acute circulatory failure, the primary goal of volume expansion is to increase cardiac output. However, this expected effect is inconstant, so that in many instances, fluid administration does not result in any haemodynamic benefit. In such cases, fluid could only exert some deleterious effects. It is now well demonstrated that excessive fluid administration is harmful, especially during acute respiratory distress syndrome and in sepsis or septic shock. This is the reason why some tests and indices have been developed in order to assess "fluid responsiveness" before deciding to perform volume expansion. While preload markers have been used for many years for this purpose, they have been repeatedly shown to be unreliable, which is mainly related to physiological issues. As alternatives, "dynamic" indices have been introduced. These indices are based upon the changes in cardiac output or stroke volume resulting from various changes in preload conditions, induced by heart-lung interactions, postural manoeuvres or by the infusion of small amounts of fluids. The haemodynamic effects and the reliability of these "dynamic" indices of fluid responsiveness are now well described. From their respective advantages and limitations, it is also possible to describe their clinical interest and the clinical setting in which they are applicable.
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Affiliation(s)
- Xavier Monnet
- Hôpitaux Universitaires Paris-Saclay, Assistance Publique - Hôpitaux de Paris, Hôpital de Bicêtre, Service de Médecine Intensive-Réanimation, Le Kremlin-Bicêtre, France
- Inserm UMR S_999, Univ Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Jean-Louis Teboul
- Hôpitaux Universitaires Paris-Saclay, Assistance Publique - Hôpitaux de Paris, Hôpital de Bicêtre, Service de Médecine Intensive-Réanimation, Le Kremlin-Bicêtre, France
- Inserm UMR S_999, Univ Paris-Saclay, Le Kremlin-Bicêtre, France
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Huang D, Ma H, Ma J, Hong L, Lian X, Wu Y, Wu Y, Wang S, Qin T, Tan N. A novel supplemental maneuver to predict fluid responsiveness in critically ill patients: blood pump-out test performed before renal replacement therapy. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:786. [PMID: 32647711 PMCID: PMC7333114 DOI: 10.21037/atm.2020.04.56] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Background Passive leg raising (PLR) test, known as reversible increasing venous return, could predict hemodynamic intolerance induced by renal replacement therapy (RRT). Oppositely, blood drainage procedure at the start of RRT cuts down intravascular capacity which is likely to have changes in fluid responsiveness has been little studied. Our study aimed to determine whether blood drainage procedure, defined as blood pump-out test, which is essential and inevitable at the beginning of RRT could predict fluid responsiveness in critically ill patients. Methods Critically ill patients underwent RRT with pulse contour analysis were included. During PLR, an increase of cardiac output (CO, derived from pulse contour analysis) ≥10% compared to baseline was considered responders as the gold standard. BPT was performed at a constant speed after the increase of CO induced by PLR returned to baseline and the maximal of CO within 2 minutes was recorded. Then area under ROC curve of CO changes to identify responders from non-responders in BPT was calculated based on the results from PLR test. Results Sixty-five patients were enrolled. Thirty-one/sixty-five patients (47.7%) were considered responders during PLR. And after analysis by ROC curve, a decrease in CO greater than 11.0% during BPT predicted fluid responsiveness with 70.9% sensitivity and 76.5% specificity. The highest area under the curve (AUC) was found for an increase in CO (0.74±0.06; 95% CI: 0.62 to 0.84). Conclusions BPT could be a supplement to PLR, providing a novel maneuver to predict fluid responsiveness in critically ill patients underwent RRT. (Trial registration: ChiCTR-DDD-17010534). Registered 30 January 2017 (retrospective registration).
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Affiliation(s)
- Daozheng Huang
- Department of Critical Care Medicine, Guangdong Provincial People's Hospital/Guangdong Academy of Medical Sciences/Guangdong Provincial Geriatrics Institute, Guangzhou 510080, China.,Department of Cardiology, Guangdong Provincial People's Hospital/Guangdong Academy of Medical Sciences/Guangdong Provincial Cardiovascular Institute, Guangzhou 510080, China
| | - Huan Ma
- Department of Cardiology, Guangdong Provincial People's Hospital/Guangdong Academy of Medical Sciences/Guangdong Provincial Cardiovascular Institute, Guangzhou 510080, China
| | - Jie Ma
- Department of Critical Care Medicine, Jiangmen Central Hospital, Jiangmen 529000, China
| | - Liyan Hong
- Department of Critical Care Medicine, Changjiang County People's Hospital, Changjiang 572700, China
| | - Xingji Lian
- Department of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - Yanhua Wu
- Department of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou 510080, China
| | - Yan Wu
- Department of Critical Care Medicine, Guangdong Provincial People's Hospital/Guangdong Academy of Medical Sciences/Guangdong Provincial Geriatrics Institute, Guangzhou 510080, China
| | - Shouhong Wang
- Department of Critical Care Medicine, Guangdong Provincial People's Hospital/Guangdong Academy of Medical Sciences/Guangdong Provincial Geriatrics Institute, Guangzhou 510080, China
| | - Tiehe Qin
- Department of Critical Care Medicine, Guangdong Provincial People's Hospital/Guangdong Academy of Medical Sciences/Guangdong Provincial Geriatrics Institute, Guangzhou 510080, China
| | - Ning Tan
- Department of Cardiology, Guangdong Provincial People's Hospital/Guangdong Academy of Medical Sciences/Guangdong Provincial Cardiovascular Institute, Guangzhou 510080, China
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12
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Abstract
PURPOSE OF REVIEW To focus on the missing link between accuracy and precision of monitoring devices and effective implementation of therapeutic strategies. RECENT FINDINGS Haemodynamic monitoring is generally considered to be an essential part of intensive care medicine. However, randomized controlled trials fail to demonstrate improved outcome unequivocally as a result of hemodynamic monitoring. This absence of solid proof renders doctors to hesitance to apply haemodynamic monitoring in clinical practise. Profound understanding of the underlying mechanisms, adequate patient selection and timing, meaningful representation and software-supported interpretation of data all play an important role. Furthermore, protocol adherence and human behaviour seem to form the often missing link between a solid physiologic principle and clinically relevant outcome. Introduction of haemodynamic monitoring should therefore not be limited to theoretical and practical issues, but also involve integration strategies. By learning from others, we might be able to implement haemodynamic monitoring in such a way that it has potential to modify the course of a disease. SUMMARY The clinical success of haemodynamic monitoring goes far beyond accuracy and precision of monitoring devices. Understanding of the factors influencing the effective implementation of therapeutic strategies plays an important role in the meaningful introduction of haemodynamic monitoring.
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McGregor D, Sharma S, Gupta S, Ahmed S, Harris T. Emergency department non-invasive cardiac output study (EDNICO): an accuracy study. Scand J Trauma Resusc Emerg Med 2020; 28:8. [PMID: 32005274 PMCID: PMC6995135 DOI: 10.1186/s13049-020-0704-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 01/19/2020] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND There is little published data investigating non-invasive cardiac output monitoring in the emergency department (ED). We assess here the accuracy of five non-invasive methods in detecting fluid responsiveness in the ED: (1) common carotid artery blood flow, (2) suprasternal aortic Doppler, (3) bioreactance, (4) plethysmography with digital vascular unloading method, and (5) inferior vena cava collapsibility index. Left ventricular outflow tract echocardiography derived velocity time integral is the reference standard. This follows an assessment of feasibility and repeatability of these methods in the same cohort of ED patients. METHODS This is a prospective observational study of non-invasive methods for assessing fluid responsiveness in the ED. Participants were non-ventilated ED adult patients requiring intravenous fluid resuscitation. Sensitivity and specificity of each method in determining the fluid responsiveness status of participants is determined in comparison to the reference standard. RESULTS Thirty-three patient data sets were included for analysis. The specificity and sensitivity to detect fluid responders was 46.2 and 45% for common carotid artery blood flow (CCABF), 61.5 and 63.2% for suprasternal artery Doppler (SSAD), 46.2 and 50% for bioreactance, 50 and 41.2% for plethysmography vascular unloading technique (PVUT), and 63.6 and 47.4% for inferior vena cava collapsibility index (IVCCI), respectively. Analysis of agreement with Cohen's Kappa - 0.08 for CCABF, 0.24 for SSAD, - 0.04 for bioreactance, - 0.08 for PVUT, and 0.1 for IVCCI. CONCLUSION In this study, non-invasive methods were not found to reliably identify fluid responders. Non-invasive methods of identifying fluid responders are likely to play a key role in improving patient outcome in the ED in fluid depleted states such as sepsis. These results have implications for future studies assessing the accuracy of such methods.
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Affiliation(s)
- David McGregor
- Queen Mary University London and Barts Health NHS Trust, London, UK.
| | - Shrey Sharma
- University of Western Australia School of Medicine and Pharmacology, Perth, Australia
| | - Saksham Gupta
- University of Western Australia School of Medicine and Pharmacology, Perth, Australia
| | - Shanaz Ahmed
- Emergency Department Research Group, Royal London Hospital, London, UK
| | - Tim Harris
- Queen Mary University London and Barts Health NHS Trust, London, UK
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