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Helsloot D, Fitzgerald M, Lefering R, Groombridge C, Becaus N, Verelst S, Missant C. Calcium supplementation during trauma resuscitation: a propensity score-matched analysis from the TraumaRegister DGU ®. Crit Care 2024; 28:222. [PMID: 38970063 PMCID: PMC11227138 DOI: 10.1186/s13054-024-05002-1] [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: 04/12/2024] [Accepted: 06/24/2024] [Indexed: 07/07/2024] Open
Abstract
BACKGROUND In major trauma patients, hypocalcemia is associated with increased mortality. Despite the absence of strong evidence on causality, early calcium supplementation has been recommended. This study investigates whether calcium supplementation during trauma resuscitation provides a survival benefit. METHODS We conducted a retrospective analysis using data from the TraumaRegister DGU® (2015-2019), applying propensity score matching to balance demographics, injury severity, and management between major trauma patients with and without calcium supplementation. 6 h mortality, 24 h mortality, and in-hospital mortality were considered as primary outcome parameters. RESULTS Within a cohort of 28,323 directly admitted adult major trauma patients at a European trauma center, 1593 (5.6%) received calcium supplementation. Using multivariable logistic regression to generate propensity scores, two comparable groups of 1447 patients could be matched. No significant difference in early mortality (6 h and 24 h) was observed, while in-hospital mortality appeared higher in those with calcium supplementation (28.3% vs. 24.5%, P = 0.020), although this was not significant when adjusted for predicted mortality (P = 0.244). CONCLUSION In this matched cohort, no evidence was found for or against a survival benefit from calcium supplementation during trauma resuscitation. Further research should focus on understanding the dynamics and kinetics of ionized calcium levels in major trauma patients and identify if specific conditions or subgroups could benefit from calcium supplementation.
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Affiliation(s)
- Dries Helsloot
- Department of Anesthesia and Emergency Medicine, AZ Groeninge Hospital, President Kennedylaan 4, 8500, Kortrijk, Belgium.
- Department of Cardiovascular Sciences, Kulak University Kortrijk Campus, Etienne Sabbelaan 53, Box 7700, 8500, Kortrijk, Belgium.
- National Trauma Research Institute, Alfred Health and Monash University, Level 4, 89 Commercial Road, Melbourne, VIC, 3004, Australia.
| | - Mark Fitzgerald
- National Trauma Research Institute, Alfred Health and Monash University, Level 4, 89 Commercial Road, Melbourne, VIC, 3004, Australia
- Trauma Service, The Alfred Hospital, 55 Commercial Road, Melbourne, VIC, 3004, Australia
| | - Rolf Lefering
- Institute for Research in Operative Medicine (IFOM), Universität Witten/Herdecke, Ostmerheimer Str.200, Haus 38, 51109, Cologne, Germany
| | - Christopher Groombridge
- National Trauma Research Institute, Alfred Health and Monash University, Level 4, 89 Commercial Road, Melbourne, VIC, 3004, Australia
- Trauma Service, The Alfred Hospital, 55 Commercial Road, Melbourne, VIC, 3004, Australia
| | - Nathalie Becaus
- Department of Anesthesia and Emergency Medicine, AZ Groeninge Hospital, President Kennedylaan 4, 8500, Kortrijk, Belgium
| | - Sandra Verelst
- Heilig Hart Hospital, Naamsestraat 105, 3000, Leuven, Belgium
| | - Carlo Missant
- Department of Anesthesia and Emergency Medicine, AZ Groeninge Hospital, President Kennedylaan 4, 8500, Kortrijk, Belgium
- Department of Cardiovascular Sciences, Kulak University Kortrijk Campus, Etienne Sabbelaan 53, Box 7700, 8500, Kortrijk, Belgium
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Kwon MA, Ji SM. Revolutionizing trauma care: advancing coagulation management and damage control anesthesia. Anesth Pain Med (Seoul) 2024; 19:73-84. [PMID: 38725162 PMCID: PMC11089294 DOI: 10.17085/apm.24038] [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: 03/20/2024] [Revised: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 05/15/2024] Open
Abstract
Despite advances in emergency transfer systems and trauma medicine, the incidence of preventable deaths due to massive hemorrhage remains high. Recent immunological research has elucidated key mechanisms underlying trauma-induced coagulopathy in the early stages of trauma, including sympathoadrenal stimulation, shedding of the glycocalyx, and endotheliopathy. Consequently, the condition progresses to fibrinogen depletion, hyperfibrinolysis, and platelet dysfunction. Coexisting factors such as uncorrected acidosis, hypothermia, excessive crystalloid administration, and a history of anticoagulant use exacerbate coagulopathy. This study introduces damage-control anesthetic management based on recent insights into damage-control resuscitation, emphasizing the importance of rapid transport, timely bleeding control, early administration of antifibrinolytics and fibrinogen concentrates, and maintenance of calcium levels and body temperature. Additionally, this study discusses brain-protective strategies for trauma patients with brain injuries and the utilization of cartridge-based viscoelastic assays for goal-directed coagulation management in trauma settings. This comprehensive approach may provide potential insights for anesthetic management in the fast-paced field of trauma medicine.
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Affiliation(s)
- Min A Kwon
- Department of Anesthesiology and Pain Medicine, Dankook University Hospital, Cheonan, Korea
| | - Sung Mi Ji
- Department of Anesthesiology and Pain Medicine, Dankook University Hospital, Cheonan, Korea
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Gagen B, Duchesne J, Ghio M, Duplechain A, Krakosky D, Simpson JT, Tatum D. PROSPECTIVE EXAMINATION OF THE K/ICA RATIO AS A PREDICTOR FOR MORTALITY IN SEVERE HEMORRHAGE. Shock 2024; 61:34-40. [PMID: 37752083 DOI: 10.1097/shk.0000000000002238] [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: 09/28/2023]
Abstract
ABSTRACT Background: Patients receiving massive transfusion protocol (MTP) are at risk for posttransfusion hypocalcemia and hyperkalemia. Previous retrospective analysis has suggested the potassium/ionized calcium (K/iCa) ratio as a prognostic indicator of mortality. This prospective study sought to validate the value of the K/iCa ratio as a predictor for mortality in patients receiving MTP. Methods: This was a prospective analysis of adult trauma patients who underwent MTP activation from May 2019 to March 2021 at an urban level 1 trauma center. Serum potassium and iCa levels within 0 to 1 h of MTP initiation were used to obtain K/iCa. Receiver operator characteristic curve analysis assessed predictive capacity of K/iCa on mortality. Kaplan-Meier survival analysis and Cox regression examined the effect of K/iCa ratio on survival. Results: A total of 110 of 300 MTP activation patients met inclusion criteria. Overall mortality rate was 31.8%. No significant differences between the elevated K/iCa and lower K/iCa groups were found for prehospital or emergency department initial vitals, shock index, or injury severity. However, nonsurvivors had a significantly higher median K/iCa ratio compared with those who survived ( P < 0.01). Multivariable logistic regression revealed the total number of blood products to be significantly associated with elevated K/iCa (odds ratio, 1.02; 95% CI, 1.01-1.04; P = 0.01). The Kaplan Meier survival curve demonstrated a significantly increased rate of survival for those with an elevated K/iCa ratio ( P < 0.01). Multivariable Cox regression adjusted for confounders showed a significant association between K/iCa and mortality (Hazard Ratio, 4.12; 95% CI, 1.89-8.96; P < 0.001). Conclusion: This evidence further highlights the importance of the K/iCa ratio in predicting mortality among trauma patients receiving MTP. Furthermore, it demonstrates that posttransfusion K levels along with iCa levels should be carefully monitored in the MTP setting. Level of Evidence: Level II. Study Type: Prognostic/epidemiological.
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Affiliation(s)
- Brennan Gagen
- Department of Surgery, Tulane University School of Medicine, New Orleans, Louisiana 70112
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Quintana-Diaz M, Anania P, Juárez-Vela R, Echaniz-Serrano E, Tejada-Garrido CI, Sanchez-Conde P, Nanwani-Nanwani K, Serrano-Lázaro A, Marcos-Neira P, Gero-Escapa M, García-Criado J, Godoy DA. "COAGULATION": a mnemonic device for treating coagulation disorders following traumatic brain injury-a narrative-based method in the intensive care unit. Front Public Health 2023; 11:1309094. [PMID: 38125841 PMCID: PMC10730733 DOI: 10.3389/fpubh.2023.1309094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2023] [Accepted: 11/21/2023] [Indexed: 12/23/2023] Open
Abstract
Introduction Coagulopathy associated with isolated traumatic brain injury (C-iTBI) is a frequent complication associated with poor outcomes, primarily due to its role in the development or progression of haemorrhagic brain lesions. The independent risk factors for its onset are age, severity of traumatic brain injury (TBI), volume of fluids administered during resuscitation, and pre-injury use of antithrombotic drugs. Although the pathophysiology of C-iTBI has not been fully elucidated, two distinct stages have been identified: an initial hypocoagulable phase that begins within the first 24 h, dominated by platelet dysfunction and hyperfibrinolysis, followed by a hypercoagulable state that generally starts 72 h after the trauma. The aim of this study was to design an acronym as a mnemonic device to provide clinicians with an auxiliary tool in the treatment of this complication. Methods A narrative analysis was performed in which intensive care physicians were asked to list the key factors related to C-iTBI. The initial sample was comprised of 33 respondents. Respondents who were not physicians, not currently working in or with experience in coagulopathy were excluded. Interviews were conducted for a month until the sample was saturated. Each participant was asked a single question: Can you identify a factor associated with coagulopathy in patients with TBI? Factors identified by respondents were then submitted to a quality check based on published studies and proven evidence. Because all the factors identified had strong support in the literature, none was eliminated. An acronym was then developed to create the mnemonic device. Results and conclusion Eleven factors were identified: cerebral computed tomography, oral anticoagulant & antiplatelet use, arterial blood pressure (Hypotension), goal-directed haemostatic therapy, use fluids cautiously, low calcium levels, anaemia-transfusion, temperature, international normalised ratio (INR), oral antithrombotic reversal, normal acid-base status, forming the acronym "Coagulation." This acronym is a simple mnemonic device, easy to apply for anyone facing the challenge of treating patients of moderate or severe TBI on a daily basis.
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Affiliation(s)
- Manuel Quintana-Diaz
- Department of Medicine, Faculty of Medicine, Autonomous University of Madrid, Madrid, Spain
- Intensive Care Unit, La Paz University Hospital, Madrid, Spain
- Institute for Health Research (idiPAZ), La Paz University Hospital, Madrid, Spain
| | - Pasquale Anania
- Department of Neurosurgery, Ospedale Policlinico San Martino, Istituto di Ricovero eCura a Carattere Scientifico (IRCCS) for Oncology and Neuroscience, Genoa, Italy
| | - Raúl Juárez-Vela
- Institute for Health Research (idiPAZ), La Paz University Hospital, Madrid, Spain
- Department of Nursing, University of La Rioja, Logroño, Spain
- Health and Healthcare Research Group (GRUPAC), Faculty of Health Sciences, University of La Rioja, Logroño, Spain
| | - Emmanuel Echaniz-Serrano
- Department of Nursing and Physiatry, Faculty of Health Sciences, University of Zaragoza, Zaragoza, Spain
- Aragon Healthcare Service, Aragon, Zaragoza, Spain
| | - Clara Isabel Tejada-Garrido
- Department of Nursing, University of La Rioja, Logroño, Spain
- Health and Healthcare Research Group (GRUPAC), Faculty of Health Sciences, University of La Rioja, Logroño, Spain
| | | | - Kapil Nanwani-Nanwani
- Intensive Care Unit, La Paz University Hospital, Madrid, Spain
- Institute for Health Research (idiPAZ), La Paz University Hospital, Madrid, Spain
| | - Ainhoa Serrano-Lázaro
- Institute for Health Research (idiPAZ), La Paz University Hospital, Madrid, Spain
- Intensive Care Unit, Valencia University Clinical Hospital, Valencia, Spain
| | - Pilar Marcos-Neira
- Intensive Care Unit, Germans Trias i Pujol University Hospital, Badalona, Spain
| | | | | | - Daniel Agustín Godoy
- Critical Care Department, Neurointensive Care Unit, Sanatorio Pasteur, Catamarca, Argentina
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Schriner JB, Van Gent JM, Meledeo MA, Olson SD, Cotton BA, Cox CS, Gill BS. Impact of Transfused Citrate on Pathophysiology in Massive Transfusion. Crit Care Explor 2023; 5:e0925. [PMID: 37275654 PMCID: PMC10234463 DOI: 10.1097/cce.0000000000000925] [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: 06/07/2023] Open
Abstract
This narrative review article seeks to highlight the effects of citrate on physiology during massive transfusion of the bleeding patient. DATA SOURCES A limited library of curated articles was created using search terms including "citrate intoxication," "citrate massive transfusion," "citrate pharmacokinetics," "hypocalcemia of trauma," "citrate phosphate dextrose," and "hypocalcemia in massive transfusion." Review articles, as well as prospective and retrospective studies were selected based on their relevance for inclusion in this review. STUDY SELECTION Given the limited number of relevant studies, studies were reviewed and included if they were written in English. This is not a systematic review nor a meta-analysis. DATA EXTRACTION AND SYNTHESIS As this is not a meta-analysis, new statistical analyses were not performed. Relevant data were summarized in the body of the text. CONCLUSIONS The physiologic effects of citrate independent of hypocalcemia are poorly understood. While a healthy individual can rapidly clear the citrate in a unit of blood (either through the citric acid cycle or direct excretion in urine), the physiology of hemorrhagic shock can lead to decreased clearance and prolonged circulation of citrate. The so-called "Diamond of Death" of bleeding-coagulopathy, acidemia, hypothermia, and hypocalcemia-has a dynamic interaction with citrate that can lead to a death spiral. Hypothermia and acidemia both decrease citrate clearance while circulating citrate decreases thrombin generation and platelet function, leading to ionized hypocalcemia, coagulopathy, and need for further transfusion resulting in a new citrate load. Whole blood transfusion typically requires lower volumes of transfused product than component therapy alone, resulting in a lower citrate burden. Efforts should be made to limit the amount of citrate infused into a patient in hemorrhagic shock while simultaneously addressing the induced hypocalcemia.
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Affiliation(s)
- Jacob B Schriner
- Center for Translational Injury Research, Department of Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX
| | - J Michael Van Gent
- Department of Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX
| | - M Adam Meledeo
- Chief, Blood and Shock Resuscitation, US Army Institute of Surgical Research, JBSA Fort Sam Houston, San Antonio, TX
| | - Scott D Olson
- Department of Pediatric Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX
| | - Bryan A Cotton
- Department of Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX
| | - Charles S Cox
- Department of Pediatric Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX
| | - Brijesh S Gill
- Department of Surgery, McGovern Medical School at The University of Texas Health Science Center at Houston, Houston, TX
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Omics Markers of Red Blood Cell Transfusion in Trauma. Int J Mol Sci 2022; 23:ijms232213815. [PMID: 36430297 PMCID: PMC9696854 DOI: 10.3390/ijms232213815] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 10/28/2022] [Accepted: 11/04/2022] [Indexed: 11/11/2022] Open
Abstract
Red blood cell (RBC) transfusion is a life-saving intervention for millions of trauma patients every year worldwide. While hemoglobin thresholds are clinically driving the need for RBC transfusion, limited information is available with respect to transfusion efficacy at the molecular level in clinically relevant cohorts. Here, we combined plasma metabolomic and proteomic measurements in longitudinal samples (n = 118; up to 13 time points; total samples: 690) from trauma patients enrolled in the control of major bleeding after trauma (COMBAT) study. Samples were collected in the emergency department and at continuous intervals up to 168 h (seven days) post-hospitalization. Statistical analyses were performed to determine omics correlate to transfusions of one, two, three, five, or more packed RBC units. While confounded by the concomitant transfusion of other blood components and other iatrogenic interventions (e.g., surgery), here we report that transfusion of one or more packed RBCs—mostly occurring within the first 4 h from hospitalization in this cohort—results in the increase in circulating levels of additive solution components (e.g., mannitol, phosphate) and decreases in the levels of circulating markers of hypoxia, such as lactate, carboxylic acids (e.g., succinate), sphingosine 1-phosphate, polyamines (especially spermidine), and hypoxanthine metabolites with potential roles in thromboinflammatory modulation after trauma. These correlations were the strongest in patients with the highest new injury severity scores (NISS > 25) and lowest base excess (BE < −10), and the effect observed was proportional to the number of units transfused. We thus show that transfusion of packed RBCs transiently increases the circulating levels of plasticizers—likely leaching from the blood units during refrigerated storage in the blood bank. Changes in the levels of arginine metabolites (especially citrulline to ornithine ratios) are indicative of an effect of transfusion on nitric oxide metabolism, which could potentially contribute to endothelial regulation. RBC transfusion was associated with changes in the circulating levels of coagulation factors, fibrinogen chains, and RBC-proteins. Changes in lysophospholipids and acyl-carnitines were observed upon transfusion, suggestive of an effect on the circulating lipidome—though cell-extrinsic/intrinsic effects and/or the contribution of other blood components cannot be disentangled. By showing a significant decrease in circulating markers of hypoxia, this study provides the first multi-omics characterization of RBC transfusion efficacy in a clinically relevant cohort of trauma patients.
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