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White KC, Serpa-Neto A, Hurford R, Clement P, Laupland KB, Ostermann M, Sanderson B, Gatton M, Bellomo R. How a positive fluid balance develops in acute kidney injury: A binational, observational study. J Crit Care 2024; 82:154809. [PMID: 38609773 DOI: 10.1016/j.jcrc.2024.154809] [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: 11/08/2023] [Revised: 12/03/2023] [Accepted: 01/12/2024] [Indexed: 04/14/2024]
Abstract
PURPOSE A positive fluid balance (FB) is associated with harm in intensive care unit (ICU) patients with acute kidney injury (AKI). We aimed to understand how a positive balance develops in such patients. METHODS Multinational, retrospective cohort study of critically ill patients with AKI not requiring renal replacement therapy. RESULTS AKI occurred at a median of two days after admission in 7894 (17.3%) patients. Cumulative FB became progressively positive, peaking on day three despite only 848 (10.7%) patients receiving fluid resuscitation in the ICU. In those three days, persistent crystalloid use (median:60.0 mL/h; IQR 28.9-89.2), nutritional intake (median:18.2 mL/h; IQR 0.0-45.9) and limited urine output (UO) (median:70.8 mL/h; IQR 49.0-96.7) contributed to a positive FB. Although UO increased each day, it failed to match input, with only 797 (10.1%) patients receiving diuretics in ICU. After adjustment, a positive FB four days after AKI diagnosis was associated with an increased risk of hospital mortality (OR 1.12;95% confidence intervals 1.05-1.19;p-value <0.001). CONCLUSION Among ICU patients with AKI, cumulative FB increased after diagnosis and was associated with an increased risk of mortality. Continued crystalloid administration, increased nutritional intake, limited UO, and minimal use of diuretics all contributed to positive FB. KEY POINTS Question How does a positive fluid balance develop in critically ill patients with acute kidney injury? Findings Cumulative FB increased after AKI diagnosis and was secondary to persistent crystalloid fluid administration, increasing nutritional fluid intake, and insufficient urine output. Despite the absence of resuscitation fluid and an increasing cumulative FB, there was persistently low diuretics use, ongoing crystalloid use, and a progressive escalation of nutritional fluid therapy. Meaning Current management results in fluid accumulation after diagnosis of AKI, as a result of ongoing crystalloid administration, increasing nutritional fluid, limited urine output and minimal diuretic use.
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Affiliation(s)
- Kyle C White
- Intensive Care Unit, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia; Faculty of Medicine, University of Queensland, Brisbane, Queensland, Australia; Queensland University of Technology (QUT), Brisbane, Queensland, Australia.
| | - Ary Serpa-Neto
- Australian and New Zealand Intensive Care Research Centre (ANZIC-RC), School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia; Department of Critical Care Medicine, Hospital Israelita Albert Einstein, São Paulo, Brazil
| | - Rod Hurford
- Intensive Care Unit, Princess Alexandra Hospital, Woolloongabba, Queensland, Australia
| | - Pierre Clement
- Department of Intensive Care Services, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
| | - Kevin B Laupland
- Queensland University of Technology (QUT), Brisbane, Queensland, Australia; Department of Intensive Care Services, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia
| | - Marlies Ostermann
- King's College London, Guy's & St Thomas' Hospital, Department of Critical Care, London, UK
| | - Barnaby Sanderson
- King's College London, Guy's & St Thomas' Hospital, Department of Critical Care, London, UK
| | - Michelle Gatton
- Queensland University of Technology (QUT), Brisbane, Queensland, Australia
| | - Rinaldo Bellomo
- Department of Critical Care, University of Melbourne, Melbourne, Australia; Department of Intensive Care, Austin Hospital, Heidelberg, Australia; Department of Intensive Care, Royal Melbourne Hospital, Melbourne, Australia
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Zawadka M, Santonocito C, Dezio V, Amelio P, Messina S, Cardia L, Franchi F, Messina A, Robba C, Noto A, Sanfilippo F. Inferior vena cava distensibility during pressure support ventilation: a prospective study evaluating interchangeability of subcostal and trans‑hepatic views, with both M‑mode and automatic border tracing. J Clin Monit Comput 2024:10.1007/s10877-024-01177-8. [PMID: 38819726 DOI: 10.1007/s10877-024-01177-8] [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: 12/07/2023] [Accepted: 05/10/2024] [Indexed: 06/01/2024]
Abstract
The Inferior Vena Cava (IVC) is commonly utilized to evaluate fluid status in the Intensive Care Unit (ICU),with more recent emphasis on the study of venous congestion. It is predominantly measured via subcostal approach (SC) or trans-hepatic (TH) views, and automated border tracking (ABT) software has been introduced to facilitate its assessment. Prospective observational study on patients ventilated in pressure support ventilation (PSV) with 2 × 2 factorial design. Primary outcome was to evaluate interchangeability of measurements of the IVC and the distensibility index (DI) obtained using both M-mode and ABT, across both SC and TH. Statistical analyses comprised Bland-Altman assessments for mean bias, limits of agreement (LoA), and the Spearman correlation coefficients. IVC visualization was 100% successful via SC, while TH view was unattainable in 17.4% of cases. As compared to the M-mode, the IVC-DI obtained through ABT approach showed divergences in both SC (mean bias 5.9%, LoA -18.4% to 30.2%, ICC = 0.52) and TH window (mean bias 6.2%, LoA -8.0% to 20.4%, ICC = 0.67). When comparing the IVC-DI measures obtained in the two anatomical sites, accuracy improved with a mean bias of 1.9% (M-mode) and 1.1% (ABT), but LoA remained wide (M-mode: -13.7% to 17.5%; AI: -19.6% to 21.9%). Correlation was generally suboptimal (r = 0.43 to 0.60). In PSV ventilated patients, we found that IVC-DI calculated with M-mode is not interchangeable with ABT measurements. Moreover, the IVC-DI gathered from SC or TH view produces not comparable results, mainly in terms of precision.
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Affiliation(s)
- Mateusz Zawadka
- 2nd Department of Anaesthesiology and Intensive Care, Medical University of Warsaw, Warsaw, Poland.
| | - Cristina Santonocito
- Department of Anaesthesia and Intensive Care, A.O.U. Policlinico-San Marco, Via S. Sofia N 78, 95123, Catania, Italy
| | - Veronica Dezio
- Department of Anaesthesia and Intensive Care, A.O.U. Policlinico-San Marco, Via S. Sofia N 78, 95123, Catania, Italy
| | - Paolo Amelio
- School of Anaesthesia and Intensive Care, University "Magna Graecia", Catanzaro, Italy
| | - Simone Messina
- School of Anaesthesia and Intensive Care, University "Magna Graecia", Catanzaro, Italy
| | - Luigi Cardia
- Department of Human Pathology of Adult and Childhood "Gaetano Barresi", University of Messina, Messina, Italy
| | - Federico Franchi
- Cardiothoracic and Vascular Anesthesia and Intensive Care Unit, Department of Medical Science, Surgery and Neurosciences, University Hospital of Siena, 53100, Siena, Italy
| | - Antonio Messina
- Humanitas Clinical and Research Center - IRCCS, Milan, Italy
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, MI, Italy
| | - Chiara Robba
- Department of Surgical Science and Diagnostic Integrated, University of Genoa, Genoa, Italy
- IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | - Alberto Noto
- Department of Human Pathology of Adult and Childhood "Gaetano Barresi", University of Messina, Messina, Italy
- Division of Anesthesia and Intensive Care, Policlinico "G. Martino", Messina, Italy
| | - Filippo Sanfilippo
- Department of Anaesthesia and Intensive Care, A.O.U. Policlinico-San Marco, Via S. Sofia N 78, 95123, Catania, Italy.
- Department of Surgery and Medical-Surgical Specialties, University of Catania, Catania, Italy.
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3
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Messina A, Chew MS, Poole D, Calabrò L, De Backer D, Donadello K, Hernandez G, Hamzaoui O, Jozwiak M, Lai C, Malbrain MLNG, Mallat J, Myatra SN, Muller L, Ospina-Tascon G, Pinsky MR, Preau S, Saugel B, Teboul JL, Cecconi M, Monnet X. Consistency of data reporting in fluid responsiveness studies in the critically ill setting: the CODEFIRE consensus from the Cardiovascular Dynamic section of the European Society of Intensive Care Medicine. Intensive Care Med 2024; 50:548-560. [PMID: 38483559 DOI: 10.1007/s00134-024-07344-4] [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: 11/10/2023] [Accepted: 01/31/2024] [Indexed: 04/16/2024]
Abstract
PURPOSE To provide consensus recommendations regarding hemodynamic data reporting in studies investigating fluid responsiveness and fluid challenge (FC) use in the intensive care unit (ICU). METHODS The Executive Committee of the European Society of Intensive Care Medicine (ESICM) commissioned and supervised the project. A panel of 18 international experts and a methodologist identified main domains and items from a systematic literature, plus 2 ancillary domains. A three-step Delphi process based on an iterative approach was used to obtain the final consensus. In the Delphi 1 and 2, the items were selected with strong (≥ 80% of votes) or week agreement (70-80% of votes), while the Delphi 3 generated recommended (≥ 90% of votes) or suggested (80-90% of votes) items (RI and SI, respectively). RESULTS We identified 5 main domains initially including 117 items and the consensus finally resulted in 52 recommendations or suggestions: 18 RIs and 2 SIs statements were obtained for the domain "ICU admission", 11 RIs and 1 SI for the domain "mechanical ventilation", 5 RIs for the domain "reason for giving a FC", 8 RIs for the domain pre- and post-FC "hemodynamic data", and 7 RIs for the domain "pre-FC infused drugs". We had no consensus on the use of echocardiography, strong agreement regarding the volume (4 ml/kg) and the reference variable (cardiac output), while weak on administration rate (within 10 min) of FC in this setting. CONCLUSION This consensus found 5 main domains and provided 52 recommendations for data reporting in studies investigating fluid responsiveness in ICU patients.
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Affiliation(s)
- Antonio Messina
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089, Rozzano (Milan), Italy.
- Department of Biomedical Sciences, Humanitas University, via Levi Montalcin,i 4, Pieve Emanuele (Milan), Italy.
| | - Michelle S Chew
- Department of Anaesthesia and Intensive Care, Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden
| | - Daniele Poole
- Anesthesia and Intensive Care Operative Unit, S. Martino Hospital, Belluno, Italy
| | - Lorenzo Calabrò
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089, Rozzano (Milan), Italy
| | - Daniel De Backer
- Department of Intensive Care, CHIREC Hospitals, Université Libre de Bruxelles, Brussels, Belgium
| | - Katia Donadello
- Department of Surgery, Dentistry, Gynecology and Paediatrics, University of Verona, Via Dell'artigliere 8, 37129, Verona, Italy
| | - Glenn Hernandez
- Departamento de Medicina Intensiva, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Olfa Hamzaoui
- Service de Médecine Intensive Réanimation Polyvalente, Robert Debré Hospital, University Hospitals of Reims, Unité HERVI « Hémostase et Remodelage Vasculaire Post-Ischémie » - EA 3801, University of Reims, Reims, France
| | - Mathieu Jozwiak
- Centre Hospitalier Universitaire L'Archet 1, Service de Médecine Intensive Réanimation, Nice, France
- Equipe 2 CARRES, UR2CA Unité de Recherche Clinique Université Côte d'Azur, Université Côte d'Azur, Nice, France
| | - Christopher Lai
- DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, Groupe de Recherche Clinique CARMAS, Université Paris-Saclay, AP-HP, Service de Médecine Intensive-Réanimation, Hôpital de Bicêtre, Le Kremlin-Bicêtre, France
| | - Manu L N G Malbrain
- First Department of Anaesthesiology and Intensive Therapy, Medical University of Lublin, Lublin, Poland
| | - Jihad Mallat
- Critical Care Institute, Cleveland Clinic Abu Dhabi, Abu Dhabi, United Arab Emirates
| | - Sheyla Nainan Myatra
- Department of Anaesthesiology, Critical Care and Pain, Tata Memorial Hospital, Homi Bhabha National Institute, Mumbai, India
| | - Laurent Muller
- Department of Anaesthesia, Critical Care and Emergency Medicine, Nîmes University Hospital, Place du Professeur Debré, 30029, Nîmes, France
- Hôpital universitaire Carémeau, University of Montpellier (MUSE), Nîmes, France
| | - Gustavo Ospina-Tascon
- Department of Intensive Care, Fundación Valle del Lili - Universidad ICESI, Cali, Colombia
| | - Michael R Pinsky
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Sebastian Preau
- Intensive Care Unit, Calmette Hospital, University Hospital of Lille, 59000, Lille, France
| | - Bernd Saugel
- Department of Anesthesiology, Center of Anesthesiology and Intensive Care Medicine, University Medical Center Hamburg-Eppendorf, Hamburg, Germany
| | - Jean-Louis Teboul
- DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, Groupe de Recherche Clinique CARMAS, Université Paris-Saclay, AP-HP, Service de Médecine Intensive-Réanimation, Hôpital de Bicêtre, Le Kremlin-Bicêtre, France
| | - Maurizio Cecconi
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089, Rozzano (Milan), Italy
- Department of Biomedical Sciences, Humanitas University, via Levi Montalcin,i 4, Pieve Emanuele (Milan), Italy
| | - Xavier Monnet
- DMU CORREVE, Inserm UMR S_999, FHU SEPSIS, Groupe de Recherche Clinique CARMAS, Université Paris-Saclay, AP-HP, Service de Médecine Intensive-Réanimation, Hôpital de Bicêtre, Le Kremlin-Bicêtre, France
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Ramasco F, Nieves-Alonso J, García-Villabona E, Vallejo C, Kattan E, Méndez R. Challenges in Septic Shock: From New Hemodynamics to Blood Purification Therapies. J Pers Med 2024; 14:176. [PMID: 38392609 PMCID: PMC10890552 DOI: 10.3390/jpm14020176] [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: 12/23/2023] [Revised: 01/15/2024] [Accepted: 01/30/2024] [Indexed: 02/24/2024] Open
Abstract
Sepsis and septic shock are associated with high mortality, with diagnosis and treatment remaining a challenge for clinicians. Their management classically encompasses hemodynamic resuscitation, antibiotic treatment, life support, and focus control; however, there are aspects that have changed. This narrative review highlights current and avant-garde methods of handling patients experiencing septic shock based on the experience of its authors and the best available evidence in a context of uncertainty. Following the first recommendation of the Surviving Sepsis Campaign guidelines, it is recommended that specific sepsis care performance improvement programs are implemented in hospitals, i.e., "Sepsis Code" programs, designed ad hoc, to achieve this goal. Regarding hemodynamics, the importance of perfusion and hemodynamic coherence stand out, which allow for the recognition of different phenotypes, determination of the ideal time for commencing vasopressor treatment, and the appropriate fluid therapy dosage. At present, this is not only important for the initial timing, but also for de-resuscitation, which involves the early weaning of support therapies, directed elimination of fluids, and fluid tolerance concept. Finally, regarding blood purification therapies, those aimed at eliminating endotoxins and cytokines are attractive in the early management of patients in septic shock.
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Affiliation(s)
- Fernando Ramasco
- Department of Anaesthesiology and Surgical Intensive Care, Hospital Universitario de La Princesa, Diego de León 62, 28006 Madrid, Spain
| | - Jesús Nieves-Alonso
- Department of Anaesthesiology and Surgical Intensive Care, Hospital Universitario de La Princesa, Diego de León 62, 28006 Madrid, Spain
| | - Esther García-Villabona
- Department of Anaesthesiology and Surgical Intensive Care, Hospital Universitario de La Princesa, Diego de León 62, 28006 Madrid, Spain
| | - Carmen Vallejo
- Department of Anaesthesiology and Surgical Intensive Care, Hospital Universitario de La Princesa, Diego de León 62, 28006 Madrid, Spain
| | - Eduardo Kattan
- Departamento de Medicina Intensiva del Adulto, Facultad de Medicina, Pontificia Universidad Católica de Chile, Marcoleta 367, Santiago 8320000, Chile
| | - Rosa Méndez
- Department of Anaesthesiology and Surgical Intensive Care, Hospital Universitario de La Princesa, Diego de León 62, 28006 Madrid, Spain
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Messina A, Uryga A, Giardina A, Ciliberti P, Battaglini D, Patroniti N, Czosnyka M, Monnet X, Cecconi M, Robba C. The effect of passive leg raising test on intracranial pressure and cerebral autoregulation in brain injured patients: a physiological observational study. Crit Care 2024; 28:23. [PMID: 38229147 PMCID: PMC10790469 DOI: 10.1186/s13054-023-04785-z] [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: 10/12/2023] [Accepted: 12/19/2023] [Indexed: 01/18/2024] Open
Abstract
BACKGROUND The use of the passive leg raising (PLR) is limited in acute brain injury (ABI) patients with increased intracranial pressure (ICP) since the postural change of the head may impact on ICP and cerebral autoregulation. However, the PLR use may prevent a positive daily fluid balance, which had been recently associated to worse neurological outcomes. We therefore studied early and delayed effects of PLR on the cerebral autoregulation of patients recovering from ABI. MATERIALS AND METHODS This is a Prospective, observational, single-center study conducted in critically ill patients admitted with stable ABI and receiving invasive ICP monitoring, multimodal neuromonitoring and continuous hemodynamic monitoring. The fluid challenge consisted of 500 mL of crystalloid over 10 min; fluid responsiveness was defined as cardiac index increase ≥ 10%. Comparisons between different variables at baseline and after PLR were made by paired Wilcoxon signed-rank test. The correlation coefficients between hemodynamic and neuromonitoring variables were assessed using Spearman's rank test. RESULTS We studied 23 patients [12 patients (52.2%) were fluid responders]. The PLR significantly increased ICP [from 13.7 (8.3-16.4) to 15.4 (12.0-19.2) mmHg; p < 0.001], cerebral perfusion pressure (CPP) [from 51.1 (47.4-55.6) to 56.4 (49.6-61.5) mmHg; p < 0.001] and the pressure reactivity index (PRx) [from 0.12 (0.01-0.24) to 0.43 (0.34-0.46) mmHg; p < 0.001]. Regarding Near Infrared Spectroscopy (NIRS)-derived parameters, PLR significantly increased the arterial component of regional cerebral oxygen saturation (O2Hbi) [from 1.8 (0.8-3.7) to 4.3 (2.5-5.6) μM cm; p < 0.001], the deoxygenated hemoglobin (HHbi) [from 1.6 (0.2-2.9) to 2.7 (1.4-4.0) μM cm; p = 0.007] and total hemoglobin (cHbi) [from 3.6 (1.9-5.3) to 7.8 (5.2-10.3): p < 0.001]. In all the patients who had altered autoregulation after PLR, these changes persisted ten minutes afterwards. After the PLR, we observed a significant correlation between MAP and CPP and PRx. CONCLUSIONS In ABI patient with stable ICP, PLR test increased ICP, but mostly within safety values and thresholds. Despite this, cerebral autoregulation was importantly impaired, and this persisted up to 10 min after the end of the maneuvre. Our results discourage the use of PLR test in ABI even when ICP is stable.
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Affiliation(s)
- Antonio Messina
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089, Rozzano, Milan, Italy.
- Department of Biomedical Sciences, Humanitas University, via Levi Montalcini 4, Pieve Emanuele, Milan, Italy.
| | - Agnieszka Uryga
- Department of Biomedical Engineering, Faculty of Fundamental Problems of Technology, Wroclaw University of Science and Technology, Wrocław, Poland
| | - Alberto Giardina
- Department of Surgical Sciences and Integrated Sciences, University of Genoa, Genoa, Italy
| | - Pietro Ciliberti
- Department of Surgical Sciences and Integrated Sciences, University of Genoa, Genoa, Italy
| | - Denise Battaglini
- Anaesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy
| | - Nicolo' Patroniti
- Department of Surgical Sciences and Integrated Sciences, University of Genoa, Genoa, Italy
- Anaesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy
| | - Marek Czosnyka
- Brain Physics Laboratory, Addenbrooke's Hospital, Cambridge, UK
| | - 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
| | - Maurizio Cecconi
- IRCCS Humanitas Research Hospital, Via Manzoni 56, 20089, Rozzano, Milan, Italy
- Department of Biomedical Sciences, Humanitas University, via Levi Montalcini 4, Pieve Emanuele, Milan, Italy
| | - Chiara Robba
- Department of Surgical Sciences and Integrated Sciences, University of Genoa, Genoa, Italy
- Anaesthesia and Intensive Care, San Martino Policlinico Hospital, IRCCS for Oncology and Neuroscience, Genoa, Italy
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Atreya MR, Cvijanovich NZ, Fitzgerald JC, Weiss SL, Bigham MT, Jain PN, Abulebda K, Lutfi R, Nowak J, Thomas NJ, Baines T, Quasney M, Haileselassie B, Sahay R, Zhang B, Alder MN, Stanski NL, Goldstein SL. Revisiting Post-ICU Admission Fluid Balance Across Pediatric Sepsis Mortality Risk Strata: A Secondary Analysis of a Prospective Observational Cohort Study. Crit Care Explor 2024; 6:e1027. [PMID: 38234587 PMCID: PMC10793970 DOI: 10.1097/cce.0000000000001027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2024] Open
Abstract
OBJECTIVES Post-ICU admission cumulative positive fluid balance (PFB) is associated with increased mortality among critically ill patients. We sought to test whether this risk varied across biomarker-based risk strata upon adjusting for illness severity, presence of severe acute kidney injury (acute kidney injury), and use of continuous renal replacement therapy (CRRT) in pediatric septic shock. DESIGN Ongoing multicenter prospective observational cohort. SETTING Thirteen PICUs in the United States (2003-2023). PATIENTS Six hundred and eighty-one children with septic shock. INTERVENTIONS None. MEASUREMENTS AND MAIN RESULTS Cumulative percent PFB between days 1 and 7 (days 1-7 %PFB) was determined. Primary outcome of interest was complicated course defined as death or persistence of greater than or equal to two organ dysfunctions by day 7. Pediatric Sepsis Biomarker Risk Model (PERSEVERE)-II biomarkers were used to assign mortality probability and categorize patients into high mortality (n = 91), intermediate mortality (n = 134), and low mortality (n = 456) risk strata. Cox proportional hazard regression models with adjustment for PERSEVERE-II mortality probability, presence of sepsis-associated acute kidney injury on day 3, and use of CRRT, demonstrated that time-dependent variable days 1-7%PFB was independently associated with an increased hazard of complicated course. Risk-stratified analyses revealed that each 10% increase in days 1-7 %PFB was associated with increased hazard of complicated course only among patients with high mortality risk strata (adjusted hazard ratio 1.24 (95% CI, 1.08-1.43), p = 0.003). However, this association was not causally mediated by PERSEVERE-II biomarkers. CONCLUSIONS Our data demonstrate the influence of cumulative %PFB on the risk of complicated course in pediatric septic shock. Contrary to our previous report, this risk was largely driven by patients categorized as having a high mortality risk based on PERSEVERE-II biomarkers. Incorporation of such prognostic enrichment tools in randomized trials of restrictive fluid management or early initiation of de-escalation strategies may inform targeted application of such interventions among at-risk patients.
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Affiliation(s)
- Mihir R Atreya
- Division of Critical Care Medicine, Cincinnati Children's Hospital Medical Center Cincinnati, Cincinnati, OH
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | | | - Julie C Fitzgerald
- Department of Pediatrics, Children's Hospital of Philadelphia, Philadelphia, PA
| | - Scott L Weiss
- Department of Pediatrics, Nemours Children's Hospital, Wilmington, DE
| | | | - Parag N Jain
- Department of Pediatrics, Texas Children's Hospital and Baylor College of Medicine, Houston, TX
| | - Kamal Abulebda
- Department of Pediatrics, Riley Hospital for Children, Indianapolis, IN
| | - Riad Lutfi
- Department of Pediatrics, Riley Hospital for Children, Indianapolis, IN
| | - Jeffrey Nowak
- Department of Pediatrics, Children's Hospital and Clinics of Minnesota, Minneapolis, MN
| | - Neal J Thomas
- Department of Pediatrics, Penn State Hershey Children's Hospital, Hershey, PA
| | - Torrey Baines
- Department of Pediatrics, University of Florida Health Shands Children's Hospital, Gainesville, FL
| | - Michael Quasney
- Department of Pediatrics, CS Mott Children's Hospital at the University of Michigan, Ann Arbor, MI
| | | | - Rashmi Sahay
- Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center Cincinnati, Cincinnati, OH
| | - Bin Zhang
- Division of Biostatistics and Epidemiology, Cincinnati Children's Hospital Medical Center Cincinnati, Cincinnati, OH
| | - Matthew N Alder
- Division of Critical Care Medicine, Cincinnati Children's Hospital Medical Center Cincinnati, Cincinnati, OH
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Natalja L Stanski
- Division of Critical Care Medicine, Cincinnati Children's Hospital Medical Center Cincinnati, Cincinnati, OH
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
| | - Stuart L Goldstein
- Department of Pediatrics, University of Cincinnati College of Medicine, Cincinnati, OH
- Division of Nephrology, Cincinnati Children's Hospital Medical Center and Cincinnati Children's Research Foundation, Cincinnati, OH
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7
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Sanfilippo F, Messina A, Scolletta S, Bignami E, Morelli A, Cecconi M, Landoni G, Romagnoli S. The "CHEOPS" bundle for the management of Left Ventricular Diastolic Dysfunction in critically ill patients: an experts' opinion. Anaesth Crit Care Pain Med 2023; 42:101283. [PMID: 37516408 DOI: 10.1016/j.accpm.2023.101283] [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: 06/03/2023] [Revised: 07/18/2023] [Accepted: 07/19/2023] [Indexed: 07/31/2023]
Abstract
The impact of left ventricular (LV) diastolic dysfunction (DD) on the outcome of patients with heart failure was established over three decades ago. Nevertheless, the relevance of LVDD for critically ill patients admitted to the intensive care unit has seen growing interest recently, and LVDD is associated with poor prognosis. Whilst an assessment of LV diastolic function is desirable in critically ill patients, treatment options for LVDD are very limited, and pharmacological possibilities to rapidly optimize diastolic function have not been found yet. Hence, a proactive approach might have a substantial role in improving the outcomes of these patients. Recalling historical Egyptian parallelism suggesting that Doppler echocardiography has been the "Rosetta stone" to decipher the study of LV diastolic function, we developed a potentially useful acronym for physicians at the bedside to optimize the management of critically ill patients with LVDD with the application of the bundle. We summarized the bundle under the acronym of the famous ancient Egyptian pharaoh CHEOPS: Chest Ultrasound, combining information from echocardiography and lung ultrasound; HEmodynamics assessment, with careful evaluation of heart rate and rhythm, as well as afterload and vasoactive drugs; OPtimization of mechanical ventilation and pulmonary circulation, considering the effects of positive end-expiratory pressure on both right and left heart function; Stabilization, with cautious fluid administration and prompt fluid removal whenever judged safe and valuable. Notably, the CHEOPS bundle represents experts' opinion and are not targeted at the initial resuscitation phase but rather for the optimization and subsequent period of critical illness.
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Affiliation(s)
- Filippo Sanfilippo
- Department of Anaesthesia and Intensive Care, A.O.U. Policlinico-San Marco, Catania, Italy; Department of General Surgery and Medico-Surgical Specialties, School of Anaesthesia and Intensive Care, University of Catania, Catania, Italy.
| | - Antonio Messina
- Department of Anesthesia and Intensive Care Medicine, Humanitas Clinical and Research Center IRCCS, 20089, Rozzano, Milan, Italy.
| | - Sabino Scolletta
- Anesthesia and Intensive Care Unit, University Hospital of Siena, University of Siena, Siena, Italy.
| | - Elena Bignami
- Anesthesiology, Critical Care and Pain Medicine Division, Department of Medicine and Surgery, University of Parma, Parma, Italy.
| | - Andrea Morelli
- Department Clinical Internal, Anesthesiological and Cardiovascular Sciences, University of Rome, "La Sapienza", Policlinico Umberto Primo, Roma, Italy.
| | - Maurizio Cecconi
- Department of Anesthesia and Intensive Care Medicine, Humanitas Clinical and Research Center IRCCS, 20089, Rozzano, Milan, Italy.
| | - Giovanni Landoni
- Department of Anesthesia and Intensive Care, IRCCS San Raffaele Scientific Institute, Faculty of Medicine, Vita-Salute San Raffaele University, Milan, Italy.
| | - Stefano Romagnoli
- Department of Health Science, Section of Anaesthesia and Intensive Care, University of Florence, Department of Anetshesia and Critical Care, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy.
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8
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Jiang Z, Luo F, Liu Y, Sun X, Tan G, Chen Z, Chen Y. RESTRICTIVE FLUID RESUSCITATION IN SEPTIC SHOCK PATIENTS HAS LOWER MORTALITY AND ORGAN DYSFUNCTION RATES THAN STANDARD THERAPY. Shock 2023; 60:739-745. [PMID: 37962948 DOI: 10.1097/shk.0000000000002235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
ABSTRACT Background : The influence of restrictive fluid resuscitation and the early administration of vasopressors on the clinical outcomes in patients with septic shock are not fully understood. The purpose of this study was to evaluate the effects of restrictive fluid management on mortality and organ dysfunction in patients with septic shock. Methods : This study included consecutive patients with septic shock in need of fluid resuscitation. Based on the fluid management provided in the initial resuscitation phase, a comparison was made between a restrictive group and a standard fluid management group. The primary outcome was in-hospital death, whereas secondary outcomes included organ dysfunction and other adverse events. Results : A total of 238 patients were included in this study. Restrictive fluid management was administered to 59.2% of patients, whereas 40.8% received standard fluid management. Restrictive resuscitation was associated with a lower in-hospital mortality rate (24.8% vs. 52.6%), as well as a shorter median intensive care unit stay (8.0 vs. 11.0 days). The restrictive strategy was associated with a significantly lower prevalence of new-onset acute kidney injury (25.5% vs. 51.5%) and a decrease in the incidence of renal replacement therapy (20.6% vs. 40.2%). The standard group had a higher risk of the need for mechanical ventilation and a significantly lower median number of days without a ventilator than the restrictive group. The median duration of vasopressor-free days in the restrictive group was significantly longer than that in the standard group (25.0 vs. 18.0). The administration rate of inotropes in the restrictive group was significantly lower than that in the standard group. A multivariate logistic regression model showed that restrictive fluid management (odds ratio [OR], 0.312; 95% confidence interval [CI], 0.098-0.994) and vasopressor-free days (OR, 0.807; 95% CI, 0.765-0.851) protect against in-hospital death, whereas Acute Physiology and Chronic Health Evaluation II scores (OR, 1.121; 95% CI, 1.018-1.234) were independent risk factors for in-hospital death. Conclusions : Restrictive fluid resuscitation and early vasopressor protocol in patients with septic shock are associated with better outcomes, indicating that this regimen is feasible and safe.
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Affiliation(s)
- Zhizhao Jiang
- Department of Intensive Care Unit, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, People's Republic of China
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9
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Kaufman DA. Fluids, fluids everywhere, but do we stop to think? J Crit Care 2023; 78:154379. [PMID: 37573158 DOI: 10.1016/j.jcrc.2023.154379] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 07/11/2023] [Indexed: 08/14/2023]
Affiliation(s)
- David A Kaufman
- Division of Pulmonary & Critical Care Medicine, NYU School of Medicine, New York, NY, USA.
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10
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Kaufman DA, Lopes M, Maviya N, Magder SA. The Ins and Outs of IV Fluids in Hemodynamic Resuscitation. Crit Care Med 2023; 51:1397-1406. [PMID: 37707377 DOI: 10.1097/ccm.0000000000006001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
OBJECTIVES Concise definitive review of the physiology of IV fluid (IVF) use in critically ill patients. DATA SOURCES Available literature on PubMed and MEDLINE databases. STUDY SELECTION Basic physiology studies, observational studies, clinical trials, and reviews addressing the physiology of IVF and their use in the critically ill were included. DATA EXTRACTION None. DATA SYNTHESIS We combine clinical and physiologic studies to form a framework for understanding rational and science-based use of fluids and electrolytes. CONCLUSIONS IVF administration is among the most common interventions for critically ill patients. IVF can be classified as crystalloids or colloids, and most crystalloids are sodium salts. They are frequently used to improve hemodynamics during shock states. Many recent clinical trials have sought to understand which kind of IVF might lead to better patient outcomes, especially in sepsis. Rational use of IVF rests on understanding the physiology of the shock state and what to expect IVF will act in those settings. Many questions remain unanswered, and future research should include a physiologic understanding of IVF in study design.
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Affiliation(s)
- David A Kaufman
- Division of Pulmonary and Critical Care Medicine, NYU Grossman School of Medicine, New York, NY
| | - Marcela Lopes
- Intensive Care Unit, Hospital da Cidade, Salvador, Bahia, Brazil
| | | | - Sheldon A Magder
- Department of Critical Care, McGill University Health Centre, Montréal, Québec, Canada
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11
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Ravid Tannenbaum N, Gottesman O, Assadi A, Mazwi M, Shalit U, Eytan D. iCVS-Inferring Cardio-Vascular hidden States from physiological signals available at the bedside. PLoS Comput Biol 2023; 19:e1010835. [PMID: 37669284 PMCID: PMC10503777 DOI: 10.1371/journal.pcbi.1010835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Revised: 09/15/2023] [Accepted: 07/20/2023] [Indexed: 09/07/2023] Open
Abstract
Intensive care medicine is complex and resource-demanding. A critical and common challenge lies in inferring the underlying physiological state of a patient from partially observed data. Specifically for the cardiovascular system, clinicians use observables such as heart rate, arterial and venous blood pressures, as well as findings from the physical examination and ancillary tests to formulate a mental model and estimate hidden variables such as cardiac output, vascular resistance, filling pressures and volumes, and autonomic tone. Then, they use this mental model to derive the causes for instability and choose appropriate interventions. Not only this is a very hard problem due to the nature of the signals, but it also requires expertise and a clinician's ongoing presence at the bedside. Clinical decision support tools based on mechanistic dynamical models offer an appealing solution due to their inherent explainability, corollaries to the clinical mental process, and predictive power. With a translational motivation in mind, we developed iCVS: a simple, with high explanatory power, dynamical mechanistic model to infer hidden cardiovascular states. Full model estimation requires no prior assumptions on physiological parameters except age and weight, and the only inputs are arterial and venous pressure waveforms. iCVS also considers autonomic and non-autonomic modulations. To gain more information without increasing model complexity, both slow and fast timescales of the blood pressure traces are exploited, while the main inference and dynamic evolution are at the longer, clinically relevant, timescale of minutes. iCVS is designed to allow bedside deployment at pediatric and adult intensive care units and for retrospective investigation of cardiovascular mechanisms underlying instability. In this paper, we describe iCVS and inference system in detail, and using a dataset of critically-ill children, we provide initial indications to its ability to identify bleeding, distributive states, and cardiac dysfunction, in isolation and in combination.
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Affiliation(s)
- Neta Ravid Tannenbaum
- Faculty of Data and Decision Science, Technion, Haifa Israel
- Faculty of Medicine, Technion, Haifa Israel
| | - Omer Gottesman
- Department of Computer Science, Brown University, Providence, Rhode Island, United States of America
| | - Azadeh Assadi
- Department of Critical Care Medicine, The Hospital for Sick Children, Toronto, Canada
- Department of Medicine, University of Toronto, Toronto, Canada
| | - Mjaye Mazwi
- Department of Critical Care Medicine, The Hospital for Sick Children, Toronto, Canada
- Department of Medicine, University of Toronto, Toronto, Canada
| | - Uri Shalit
- Faculty of Data and Decision Science, Technion, Haifa Israel
| | - Danny Eytan
- Faculty of Medicine, Technion, Haifa Israel
- Department of Critical Care Medicine, The Hospital for Sick Children, Toronto, Canada
- Pediatric Intensive Care Unit, Rambam Medical Center, Haifa Israel
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12
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Atreya MR, Cvijanovich NZ, Fitzgerald JC, Weiss SL, Bigham MT, Jain PN, Abulebda K, Lutfi R, Nowak J, Thomas NJ, Baines T, Quasney M, Haileselassie B, Sahay R, Zhang B, Alder M, Stanski N, Goldstein S. Revisiting post-ICU admission fluid balance across pediatric sepsis mortality risk strata: A secondary analyses from a prospective observational cohort study. RESEARCH SQUARE 2023:rs.3.rs-3117188. [PMID: 37461591 PMCID: PMC10350118 DOI: 10.21203/rs.3.rs-3117188/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
Introduction Post-ICU admission cumulative positive fluid balance (PFB) is associated with increased mortality among critically ill patients. We sought to test whether this risk varied across biomarker-based risk strata upon adjusting for illness severity, presence of severe acute kidney injury (AKI), and use of renal replacement therapy (CRRT) in pediatric septic shock. Design Ongoing multi-center prospective observational cohort. Setting Thirteen pediatric ICUs in the United States (2003-2023). Patients Six hundred and eighty-one children with septic shock. Interventions None. Measurements and Main Results Cumulative percent positive fluid balance between day 1-7 (Day 1-7%PFB) was determined. Primary outcome of interest was complicated course defined as death or persistence of ≥ 2 organ dysfunctions by day 7. PERSEVERE-II biomarkers were used to assign mortality probability and categorize patients into high (n = 91), intermediate (n = 134), and low (n = 456) mortality risk strata. Cox proportional hazard regression models with adjustment for PERSEVERE-II mortality probability, presence of sepsis associated acute kidney injury (SA-AKI) on Day 3, and any use of CRRT, demonstrated that time-dependent variable Day 1-7%PFB was independently associated with increased hazard of complicated course in the cohort. Risk stratified analyses revealed that each 10% increase in Day 1-7%PFB was independently associated with increased hazard of complicated course among patients with high mortality risk strata (adj HR of 1.24 (95%CI: 1.08-1.42), p = 0.002), but not among those categorized as intermediate- or low- mortality risk. Conclusions Our data demonstrate the independent influence of cumulative %PFB on the risk of complicated course. Contrary to our previous report, this risk was largely driven by patients categorized as having a high-mortality risk based on PERSEVERE-II biomarkers. Further research is necessary to determine whether this subset of patients may benefit from targeted deployment of restrictive fluid management or early initiation of de-escalation therapies upon resolution of shock.
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Affiliation(s)
| | | | | | - Scott L Weiss
- 5. Nemours Children's Hospital, Wilmington, DE, 19803, USA
| | | | - Parag N Jain
- Texas Children's Hospital and Baylor College of Medicine, Houston, TX 77030, USA
| | - Kamal Abulebda
- Riley Hospital for Children, Indianapolis, IN 46202, USA
| | - Riad Lutfi
- Riley Hospital for Children, Indianapolis, IN 46202, USA
| | - Jeffrey Nowak
- Children's Hospital and Clinics of Minnesota, Minneapolis, MN 55404, USA
| | - Neal J Thomas
- Penn State Hershey Children's Hospital, Hershey, PA 17033, USA
| | - Torrey Baines
- University of Florida Health Shands Children's Hospital, Gainesville, FL 32610, USA
| | - Michael Quasney
- CS Mott Children's Hospital at the University of Michigan, Ann Arbor, MI 48109, USA
| | | | | | - Bin Zhang
- Cincinnati Children's Hospital Medical Center
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13
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Messina A, Alicino V, Cecconi M. Transpulmonary thermodilution. Curr Opin Crit Care 2023; 29:223-230. [PMID: 37083621 DOI: 10.1097/mcc.0000000000001047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/22/2023]
Abstract
PURPOSE OF REVIEW The purpose of this article is to systematically review and critically assess the existing data regarding the use of transpulmonary thermodilution (TPTD), by providing a detailed description of technical aspects of TPTD techniques, appraising the use of TPTD-derived parameters in specific clinical settings, and exploring the limits of this technique. RECENT FINDINGS The aim of hemodynamic monitoring is to optimize cardiac output (CO) and therefore improve oxygen delivery to the tissues. Hemodynamic monitoring plays a fundamental role in the management of acutely ill patients. TPTD is a reliable, multiparametric, advanced cardiopulmonary monitoring technique providing not only hemodynamic parameters related to cardiac function, but also to the redistribution of the extravascular water in the thorax. The hemodynamic monitors available in the market usually couple the intermittent measurement of the CO by TPTD with the arterial pulse contour analysis, offering automatic calibration of continuous CO and an accurate assessment of cardiac preload and fluid responsiveness. SUMMARY The TPTD is an invasive but well tolerated, multiparametric, advanced cardiopulmonary monitoring technique, allowing a comprehensive assessment of cardiopulmonary condition. Beyond the CO estimation, TPTD provides several indices that help answering questions that clinicians ask themselves during hemodynamic management. TPTD-guided algorithm obtained by pulse contour analysis may be useful to optimize fluid resuscitation by titrating fluid therapy according to functional hemodynamic monitoring and to define safety criteria to avoid fluid overload by following the changes in the extravascular lung water (EVLW) and pulmonary vascular permeability index (PVPI).
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Affiliation(s)
- Antonio Messina
- IRCCS Humanitas Research Hospital, Via Manzoni, Rozzano
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
| | | | - Maurizio Cecconi
- IRCCS Humanitas Research Hospital, Via Manzoni, Rozzano
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, Milan, Italy
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14
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Jeong H, Park I, Lee JH, Kim D, Baek S, Kim S, Jo YH. Feasibility study using longitudinal bioelectrical impedance analysis to evaluate body water status during fluid resuscitation in a swine sepsis model. Intensive Care Med Exp 2022; 10:51. [PMID: 36472756 PMCID: PMC9727062 DOI: 10.1186/s40635-022-00480-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022] Open
Abstract
Fluid resuscitation is crucial in the initial management of sepsis; however, little is known about the serial changes and overall distribution of fluids administered into the body. To identify the feasibility of longitudinal bioelectrical impedance analysis during fluid treatment, a preclinical porcine model of Escherichia coli-induced sepsis was used. After sepsis induction, pigs were treated with fluid and vasopressors and monitored for up to 12 h after bacterial infusion or until death. Bipolar electrodes for bioelectrical impedance analysis were attached to the left extremities and measurements were performed every 10 min. Among the 12 subjects, 7 pigs expired during the experiment, and the median survival was 9.5 h. As sepsis progressed with an increase in cumulative fluid balance, R0 [∝ 1/extracellular water (ECW)] decreased, while Ri [∝ 1/intracellular water (ICW)] and ratio of extracellular water to total body water (ECW/TBW) increased. The phase angle constantly decreased throughout the monitoring period, and all non-survivors died when the phase angle decreased by more than 10%. Among the variables, ΔR0 and Δphase angle showed moderate negative correlations, and ΔECW/TBW showed a moderate positive correlation with the hourly fluid balance. Compared to survivors, a greater increase in ΔECW/TBW and a decrease in phase angle were observed in non-survivors over time, with an increase in cumulative fluid balance. Differences in ΔECW/TBW and phase angle emerged at 240 min when the difference in cumulative fluid balance between the two groups (survivors vs non-survivors) exceeded 1000 mL. In conclusion, continuous measurements of bioelectrical impedance analysis in a porcine sepsis model are feasible and may reflect changes in the body water profile during fluid resuscitation.
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Affiliation(s)
- Hwain Jeong
- grid.412480.b0000 0004 0647 3378Department of Emergency Medicine, Seoul National University Bundang Hospital, 82, Gumi-Ro 173 Beon-Gil, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 13620 Republic of Korea
| | - Inwon Park
- grid.412480.b0000 0004 0647 3378Department of Emergency Medicine, Seoul National University Bundang Hospital, 82, Gumi-Ro 173 Beon-Gil, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 13620 Republic of Korea ,grid.31501.360000 0004 0470 5905Department of Emergency Medicine, Seoul National University College of Medicine, 103 Daehak-Ro, Jongno-Gu, Seoul, 03080 Republic of Korea
| | - Jae Hyuk Lee
- grid.412480.b0000 0004 0647 3378Department of Emergency Medicine, Seoul National University Bundang Hospital, 82, Gumi-Ro 173 Beon-Gil, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 13620 Republic of Korea ,grid.31501.360000 0004 0470 5905Department of Emergency Medicine, Seoul National University College of Medicine, 103 Daehak-Ro, Jongno-Gu, Seoul, 03080 Republic of Korea
| | - Dongsung Kim
- grid.412480.b0000 0004 0647 3378Department of Emergency Medicine, Seoul National University Bundang Hospital, 82, Gumi-Ro 173 Beon-Gil, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 13620 Republic of Korea
| | - Sumin Baek
- grid.412480.b0000 0004 0647 3378Department of Emergency Medicine, Seoul National University Bundang Hospital, 82, Gumi-Ro 173 Beon-Gil, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 13620 Republic of Korea
| | - Seonghye Kim
- grid.412480.b0000 0004 0647 3378Department of Emergency Medicine, Seoul National University Bundang Hospital, 82, Gumi-Ro 173 Beon-Gil, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 13620 Republic of Korea
| | - You Hwan Jo
- grid.412480.b0000 0004 0647 3378Department of Emergency Medicine, Seoul National University Bundang Hospital, 82, Gumi-Ro 173 Beon-Gil, Bundang-Gu, Seongnam-Si, Gyeonggi-Do 13620 Republic of Korea ,grid.31501.360000 0004 0470 5905Department of Emergency Medicine, Seoul National University College of Medicine, 103 Daehak-Ro, Jongno-Gu, Seoul, 03080 Republic of Korea
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