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Scarlatescu E, Iba T, Maier CL, Moore H, Othman M, Connors JM, Levy JH. Deranged Balance of Hemostasis and Fibrinolysis in Disseminated Intravascular Coagulation: Assessment and Relevance in Different Clinical Settings. Anesthesiology 2024:141586. [PMID: 38861325 DOI: 10.1097/aln.0000000000005023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/13/2024]
Abstract
The disruption of hemostasis/fibrinolysis balance leads to disseminated intravascular coagulation, manifested clinically by bleeding or thrombosis, and multiorgan failure. This study reviews hemostatic assessment and therapeutic strategies that restore this balance in critically ill patients.
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Affiliation(s)
- Ecaterina Scarlatescu
- "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania; and Department of Anaesthesia and Intensive Care, Fundeni Clinical Institute, Bucharest, Romania
| | - Toshiaki Iba
- Department of Emergency and Disaster Medicine, Juntendo University Graduate School of Medicine, Tokyo, Japan
| | - Cheryl L Maier
- Department of Pathology and Laboratory Medicine, Emory University School of Medicine, Atlanta, Georgia
| | - Hunter Moore
- Department of Surgery, University of Colorado Denver, Anschutz Medical Campus, Aurora, Colorado
| | - Maha Othman
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, Ontario, Canada; School of Baccalaureate Nursing, St. Lawrence College, Kingston, Ontario, Canada; and Clinical Pathology Department, Faculty of Medicine, Mansoura University, Mansoura, Egypt
| | - Jean Marie Connors
- Hematology Division Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Jerrold H Levy
- Department of Anesthesiology, Critical Care, and Surgery, Duke University School of Medicine, Durham, North Carolina
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2
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Baker JE, Ladhani HA, McCall C, Horwood CR, Werner NL, Platnick B, Cothren Burlew C. Factors Associated With Pelvic Infection After Pre-Peritoneal Pelvic Packing for Hemodynamically Unstable Pelvic Fractures. Surg Infect (Larchmt) 2024; 25:399-406. [PMID: 38752886 DOI: 10.1089/sur.2023.360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2024] Open
Abstract
Background: Preperitoneal pelvic packing (PPP) and external fixation has led to improved mortality after devastating pelvic trauma. However, there is limited literature on infection after this intervention. We aim to study the risk factors associated with pelvic infection after PPP. Patients and Methods: A retrospective review of patients who underwent PPP at a single level 1 trauma center was performed. Results: Over the 18-year study period, 222 patients were identified. Twenty-three percent of patients had an open fracture. Pelvic angiography was performed in 24% of patients with 16% requiring angioembolization (AE). The average time to packing removal was two (one to two days) days, although 10% of patients had their pelvis re-packed. Overall infection rate was 14% (n = 31); if pelvic re-packing was performed, the infection rate increased to 45%. Twenty-two of the patients with an infection required additional procedures for their infection, and ultimately hardware removal occurred in eight patients. On univariable analysis, patients with pelvic infections had more open fractures (55% vs. 17%; p < 0.01), underwent AE more frequently (29% vs. 14%; p = 0.04), were more likely to undergo repacking (32% vs. 6%; p < 0.01), and had packing in place for longer (2 [1,2] vs. 2 [2,3]; p = 0.01). On logistic multivariable regression analysis, open fracture (odds ratio [OR], 5.8; 95% confidence interval [CI], 2.4-14.1) and pelvic re-packing (OR, 4.7; 95% CI, 1.2-18.5) were independent risk factors for pelvic infection. Conclusions: Pelvic infection after PPP is a serious complication independently associated with open fracture and re-packing of the pelvis. Re-intervention was required in most patients with infection.
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Affiliation(s)
- Jennifer E Baker
- Department of Surgery, Denver Health Medical Center, Denver, Colorado, USA
- Division of Gastrointestinal, Trauma, and Endocrine Surgery, Department of Surgery, University of Colorado Anschutz Medical Center, Aurora, Colorado, USA
| | - Husayn A Ladhani
- Department of Surgery, Denver Health Medical Center, Denver, Colorado, USA
- Division of Gastrointestinal, Trauma, and Endocrine Surgery, Department of Surgery, University of Colorado Anschutz Medical Center, Aurora, Colorado, USA
| | - Caitlyn McCall
- Department of Surgery, Denver Health Medical Center, Denver, Colorado, USA
- Division of Gastrointestinal, Trauma, and Endocrine Surgery, Department of Surgery, University of Colorado Anschutz Medical Center, Aurora, Colorado, USA
| | - Chelsea R Horwood
- Department of Surgery, Denver Health Medical Center, Denver, Colorado, USA
- Division of Gastrointestinal, Trauma, and Endocrine Surgery, Department of Surgery, University of Colorado Anschutz Medical Center, Aurora, Colorado, USA
| | - Nicole L Werner
- Division of Acute Care and Regional General Surgery, Department of Surgery, University of Wisconsin School of Medicine, Madison, Wisconsin, USA
| | - Barry Platnick
- Department of Surgery, Denver Health Medical Center, Denver, Colorado, USA
| | - Clay Cothren Burlew
- Division of Gastrointestinal, Trauma, and Endocrine Surgery, Department of Surgery, University of Colorado Anschutz Medical Center, Aurora, Colorado, USA
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L'Huillier JC, Jalal K, Nohra E, Boccardo JD, Olafuyi O, Jordan MB, Myneni AA, Schwaitzberg SD, Flynn WJ, Brewer JJ, Noyes K, Cooper CA. Challenging Dogma by Skipping the Emergency Department Thoracotomy: A Propensity Score Matched Analysis of the Trauma Quality Improvement Database. J Surg Res 2024; 298:24-35. [PMID: 38552587 DOI: 10.1016/j.jss.2024.02.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 02/06/2024] [Accepted: 02/29/2024] [Indexed: 06/03/2024]
Abstract
INTRODUCTION Survival following emergency department thoracotomy (EDT) for patients in extremis is poor. Whether intervention in the operating room instead of EDT in select patients could lead to improved outcomes is unknown. We hypothesized that patients who underwent intervention in the operating room would have improved outcomes compared to those who underwent EDT. METHODS We conducted a retrospective review of the Trauma Quality Improvement Program database from 2017 to 2021. All adult patients who underwent EDT, operating room thoracotomy (ORT), or sternotomy as the first form of surgical intervention within 1 h of arrival were included. Of patients without prehospital cardiac arrest, propensity score matching was utilized to create three comparable groups. The primary outcome was survival. Secondary outcomes included time to procedure. RESULTS There were 1865 EDT patients, 835 ORT patients, and 456 sternotomy patients who met the inclusion criteria. There were 349 EDT, 344 ORT, and 408 sternotomy patients in the matched analysis. On Cox multivariate regression, there was an increased risk of mortality with EDT versus sternotomy (HR 4.64, P < 0.0001), EDT versus ORT (HR 1.65, P < 0.0001), and ORT versus sternotomy (HR 2.81, P < 0.0001). Time to procedure was shorter with EDT versus sternotomy (22 min versus 34 min, P < 0.0001) and versus ORT (22 min versus 37 min, P < 0.0001). CONCLUSIONS There was an association between sternotomy and ORT versus EDT and improved mortality. In select patients, operative approaches rather than the traditional EDT could be considered.
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Affiliation(s)
- Joseph C L'Huillier
- Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York; Division of Health Services Policy and Practice, Department of Epidemiology and Environmental Health, University at Buffalo, School of Public Health and Health Professions, Buffalo, New York; Division of Trauma, Critical Care, and Acute Care Surgery, Department of Surgery, Erie County Medical Center, Buffalo, New York
| | - Kabir Jalal
- Department of Biostatistics, University at Buffalo, School of Public Health and Health Professions, Buffalo, New York
| | - Eden Nohra
- Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York; Division of Trauma, Critical Care, and Acute Care Surgery, Department of Surgery, Erie County Medical Center, Buffalo, New York
| | - Joseph D Boccardo
- Department of Biostatistics, University at Buffalo, School of Public Health and Health Professions, Buffalo, New York
| | - Olatoyosi Olafuyi
- Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York
| | - Marcy Bubar Jordan
- Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York; Division of Trauma, Critical Care, and Acute Care Surgery, Department of Surgery, Erie County Medical Center, Buffalo, New York
| | - Ajay A Myneni
- Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York; Division of Health Services Policy and Practice, Department of Epidemiology and Environmental Health, University at Buffalo, School of Public Health and Health Professions, Buffalo, New York
| | - Steven D Schwaitzberg
- Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York
| | - William J Flynn
- Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York; Division of Trauma, Critical Care, and Acute Care Surgery, Department of Surgery, Erie County Medical Center, Buffalo, New York
| | - Jeffrey J Brewer
- Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York; Division of Trauma, Critical Care, and Acute Care Surgery, Department of Surgery, Erie County Medical Center, Buffalo, New York
| | - Katia Noyes
- Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York; Division of Health Services Policy and Practice, Department of Epidemiology and Environmental Health, University at Buffalo, School of Public Health and Health Professions, Buffalo, New York
| | - Clairice A Cooper
- Department of Surgery, University at Buffalo, Jacobs School of Medicine and Biomedical Sciences, Buffalo, New York; Division of Trauma, Critical Care, and Acute Care Surgery, Department of Surgery, Erie County Medical Center, Buffalo, New York.
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Follows A, Round A. Impact of ABO blood group on mortality in trauma patients: A systematic review. Transfus Apher Sci 2024; 63:103925. [PMID: 38653629 DOI: 10.1016/j.transci.2024.103925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/25/2024]
Abstract
BACKGROUND Haemorrhage is a significant cause of death in trauma patients. There is evidence that individuals with blood group O have higher rates of non-traumatic haemorrhage. It has been suggested that blood group O may be associated with higher mortality in trauma, however existing evidence is limited and conflicting. OBJECTIVE A systematic review was conducted to evaluate the impact of ABO blood group on mortality in trauma patients. METHODS MEDLINE via OVID, the Cochrane library and grey literature were searched to identify studies investigating the effect of ABO blood group on mortality of trauma patients admitted to hospital. PRISMA guidelines were followed throughout, study quality was assessed using CASP checklists and certainty of evidence was evaluated using GRADE. Meta-analysis was precluded by significant study heterogeneity. RESULTS 180 relevant records were screened and seven studies met inclusion criteria, representing 12,240 patients. Two studies found that there was a higher mortality in blood group O compared to other ABO groups. Included studies had substantial variability in methods and population. Study quality was variable with certainty of evidence rated as very low. CONCLUSIONS There is insufficient evidence to definitively establish an association between mortality and ABO group in trauma patients. In an age of increasingly individualised care, there is a need to determine the existence and cause for any association through further studies across multiple settings, trauma mechanisms and populations.
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Affiliation(s)
- Andrew Follows
- Sheffield Teaching Hospitals NHS Foundation Trust, Glossop Road, Sheffield, S10 2JF, United Kingdom
| | - Antonia Round
- Sheffield Teaching Hospitals NHS Foundation Trust, Glossop Road, Sheffield, S10 2JF, United Kingdom; University of Sheffield, Beech Hill Road, Sheffield, S10 2RX, United Kingdom.
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Morrow GB, Flannery S, Charles PD, Heilig R, Feller T, McQuilten Z, Wake E, Ariens RAS, Winearls J, Mutch NJ, Fischer R, Laffan MA, Curry N. A novel method to quantify fibrin-fibrin and fibrin-α 2-antiplasmin cross-links in thrombi formed from human trauma patient plasma. J Thromb Haemost 2024; 22:1758-1771. [PMID: 38462220 DOI: 10.1016/j.jtha.2024.03.001] [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: 12/21/2023] [Revised: 02/14/2024] [Accepted: 03/04/2024] [Indexed: 03/12/2024]
Abstract
BACKGROUND The widespread use of the antifibrinolytic agent, tranexamic acid (TXA), interferes with the quantification of fibrinolysis by dynamic laboratory assays such as clot lysis, making it difficult to measure fibrinolysis in many trauma patients. At the final stage of coagulation, factor (F)XIIIa catalyzes the formation of fibrin-fibrin and fibrin-α2-antiplasmin (α2AP) cross-links, which increases clot mechanical strength and resistance to fibrinolysis. OBJECTIVES Here, we developed a method to quantify fibrin-fibrin and fibrin-α2AP cross-links that avoids the challenges posed by TXA in determining fibrinolytic resistance in conventional assays. METHODS Fibrinogen alpha (FGA) chain (FGA-FGA), fibrinogen gamma (FGG) chain (FGG-FGG), and FGA-α2AP cross-links were quantified using liquid chromatography-mass spectrometry (LC-MS) and parallel reaction monitoring in paired plasma samples from trauma patients prefibrinogen and postfibrinogen replacement. Differences in the abundance of cross-links in trauma patients receiving cryoprecipitate (cryo) or fibrinogen concentrate (Fg-C) were analyzed. RESULTS The abundance of cross-links was significantly increased in trauma patients postcryo, but not Fg-C transfusion (P < .0001). The abundance of cross-links was positively correlated with the toughness of individual fibrin fibers, the peak thrombin concentration, and FXIII antigen (P < .05). CONCLUSION We have developed a novel method that allows us to quantify fibrin cross-links in trauma patients who have received TXA, providing an indirect measure of fibrinolytic resistance. Using this novel approach, we have avoided the effect of TXA and shown that cryo increases fibrin-fibrin and fibrin-α2AP cross-linking when compared with Fg-C, highlighting the importance of FXIII in clot formation and stability in trauma patients.
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Affiliation(s)
- Gael B Morrow
- School of Pharmacy and Life Sciences, Robert Gordon University, Aberdeen, United Kingdom; Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom; Aberdeen Cardiovascular and Diabetes Centre, School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen, United Kingdom.
| | - Sarah Flannery
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Philip D Charles
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Raphael Heilig
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Timea Feller
- Leeds Thrombosis Collective, Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, United Kingdom
| | - Zoe McQuilten
- Transfusion Research Unit, Monash University, Melbourne and Monash Health, Melbourne, Australia
| | - Elizabeth Wake
- Trauma Service, Gold Coast University Hospital, University of Queensland, Southport, Queensland, Australia; School of Medicine, University of Queensland, Southport, Queensland, Australia
| | - Robert A S Ariens
- Leeds Thrombosis Collective, Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, United Kingdom
| | - James Winearls
- School of Medicine, University of Queensland, Southport, Queensland, Australia; Intensive Care Unit, Gold Coast University Hospital, Southport, Queensland, Australia; Australia and New Zealand Intensive Care Research Centre, Monash University, Melbourne, Victoria, Australia
| | - Nicola J Mutch
- Aberdeen Cardiovascular and Diabetes Centre, School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen, United Kingdom
| | - Roman Fischer
- Target Discovery Institute, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
| | - Mike A Laffan
- Centre for Haematology, Imperial College London, London, United Kingdom
| | - Nicola Curry
- Radcliffe Department of Medicine, University of Oxford, Oxford, United Kingdom; Oxford Haemophilia and Thrombosis Centre, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom
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Keltner NM, Cushing MM, Haas T, Spinella PC. Analyzing and modeling massive transfusion strategies and the role of fibrinogen-How much is the patient actually receiving? Transfusion 2024; 64 Suppl 2:S136-S145. [PMID: 38433522 DOI: 10.1111/trf.17774] [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: 12/30/2023] [Revised: 02/14/2024] [Accepted: 02/15/2024] [Indexed: 03/05/2024]
Abstract
BACKGROUND Hemorrhage is a leading cause of preventable death in trauma, cardiac surgery, liver transplant, and childbirth. While emphasis on protocolization and ratio of blood product transfusion improves ability to treat hemorrhage rapidly, tools to facilitate understanding of the overall content of a specific transfusion strategy are lacking. Medical modeling can provide insights into where deficits in treatment could arise and key areas for clinical study. By using a transfusion model to gain insight into the aggregate content of massive transfusion protocols (MTPs), clinicians can optimize protocols and create opportunities for future studies of precision transfusion medicine in hemorrhage treatment. METHODS The transfusion model describes the individual round and aggregate content provided by four rounds of MTP, illustrating that the total content of blood elements and coagulation factor changes over time, independent of the patient's condition. The configurable model calculates the aggregate hematocrit, platelet concentration, percent volume plasma, total grams and concentration of citrate, percent volume anticoagulant and additive solution, and concentration of clotting factors: fibrinogen, factor XIII, factor VIII, and von Willebrand factor, provided by the MTP strategy. RESULTS Transfusion strategies based on a 1:1:1 or whole blood foundation provide between 13.7 and 17.2 L of blood products over four rounds. Content of strategies varies widely across all measurements based on base strategy and addition of concentrated sources of fibrinogen and other key clotting factors. DISCUSSION Differences observed between modeled transfusion strategies provide key insights into potential opportunities to provide patients with precision transfusion strategy.
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Affiliation(s)
| | - Melissa M Cushing
- Department of Pathology and Laboratory Medicine and Department of Anesthesiology, Weill Cornell Medicine, New York, New York, USA
| | - Thorsten Haas
- Department of Anesthesiology, University of Florida, College of Medicine, Gainesville, Florida, USA
| | - Philip C Spinella
- Department of Surgery and Critical Care Medicine, University of Pittsburgh School of Medicine, UPMC Children's Hospital of Pittsburgh, Pittsburgh, Pennsylvania, USA
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Wolf L, Delao A, Kolbuk ME, Simon C. Elements of an Advanced Trauma Education Program for Emergency Nurses: A Modified Delphi Approach. J Trauma Nurs 2024; 31:149-157. [PMID: 38742723 DOI: 10.1097/jtn.0000000000000788] [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: 05/16/2024]
Abstract
BACKGROUND Basic trauma education for emergency department (ED) staff is available, but there are currently no advanced trauma nursing practice standards for ED nurses. OBJECTIVE The purpose of this study was to identify consensus-based elements of an advanced trauma nursing program for ED nurses. METHODS We used a modified Delphi process with three rounds of online survey data collection to ensure a large group of geographically diverse experts. Data were collected from February 2023 to May 2023. The sample for Round 1 was recruited from members of the Emergency Nurses Association reporting job titles, including trauma coordinator, trauma nursing core course instructor, and vice president of trauma services (n = 829). Participants in subsequent rounds were drawn from respondents to the initial invitation to participate (n = 131). Members of an emergency nursing research council with clinical and research expertise reviewed the results and provided expert input. RESULTS An initial sample of 131 experts identified 17 elements that were assigned a median score equivalent to "agree/strongly agree" (i.e., median 4/5 or 5/5) in Round 2 (n = 69). These elements were presented in Round 3 (n = 43) to determine a rank order. Critical thinking/clinical judgment was the overall priority, followed by assessment/reassessment and early recognition of trauma. CONCLUSIONS Emergency department trauma care experts identified priority content for advanced trauma education. Heterogeneity in the final ranking of components for this advanced trauma course, specifically differences by facility, regional, or demographic characteristics, suggests that training and education may not conform to a one-size-fits-all model.
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Affiliation(s)
- Lisa Wolf
- Author Affiliations: Emergency Nursing Research (Dr Wolf, Ms Delao, and Dr Simon), Education Program Development (Ms Kolbuk), Emergency Nurses Association, Schaumburg, IL; and Elaine Marieb College of Nursing, University of Massachusetts, Amherst, MA (Dr Wolf)
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Smith S, Torres C. Whole lot of blood: does more equal better for survival? Trauma Surg Acute Care Open 2024; 9:e001482. [PMID: 38737812 PMCID: PMC11086429 DOI: 10.1136/tsaco-2024-001482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2024] Open
Affiliation(s)
- Sophia Smith
- Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
- Surgery, Boston Medical Center, Boston, Massachusetts, USA
| | - Crisanto Torres
- Boston University Chobanian & Avedisian School of Medicine, Boston, Massachusetts, USA
- Surgery, Boston Medical Center, Boston, Massachusetts, USA
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Murphy EK, Bertsch SR, Klein SB, Rashedi N, Sun Y, Joyner MJ, Curry TB, Johnson CP, Regimbal RJ, Wiggins CC, Senefeld JW, Shepherd JRA, Elliott JT, Halter RJ, Vaze VS, Paradis NA. Non-invasive biomarkers for detecting progression toward hypovolemic cardiovascular instability in a lower body negative pressure model. Sci Rep 2024; 14:8719. [PMID: 38622207 PMCID: PMC11018605 DOI: 10.1038/s41598-024-59139-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Accepted: 04/08/2024] [Indexed: 04/17/2024] Open
Abstract
Occult hemorrhages after trauma can be present insidiously, and if not detected early enough can result in patient death. This study evaluated a hemorrhage model on 18 human subjects, comparing the performance of traditional vital signs to multiple off-the-shelf non-invasive biomarkers. A validated lower body negative pressure (LBNP) model was used to induce progression towards hypovolemic cardiovascular instability. Traditional vital signs included mean arterial pressure (MAP), electrocardiography (ECG), plethysmography (Pleth), and the test systems utilized electrical impedance via commercial electrical impedance tomography (EIT) and multifrequency electrical impedance spectroscopy (EIS) devices. Absolute and relative metrics were used to evaluate the performance in addition to machine learning-based modeling. Relative EIT-based metrics measured on the thorax outperformed vital sign metrics (MAP, ECG, and Pleth) achieving an area-under-the-curve (AUC) of 0.99 (CI 0.95-1.00, 100% sensitivity, 87.5% specificity) at the smallest LBNP change (0-15 mmHg). The best vital sign metric (MAP) at this LBNP change yielded an AUC of 0.6 (CI 0.38-0.79, 100% sensitivity, 25% specificity). Out-of-sample predictive performance from machine learning models were strong, especially when combining signals from multiple technologies simultaneously. EIT, alone or in machine learning-based combination, appears promising as a technology for early detection of progression toward hemodynamic instability.
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Affiliation(s)
- Ethan K Murphy
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA.
| | - Spencer R Bertsch
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
| | - Samuel B Klein
- Geisel School of Medicine, Dartmouth College, Hanover, NH, 03755, USA
- Dartmouth-Hitchcock Medical Center, Lebanon, NH, 03756, USA
| | - Navid Rashedi
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
| | - Yifei Sun
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
| | - Michael J Joyner
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55902, USA
| | - Timothy B Curry
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55902, USA
| | - Christopher P Johnson
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55902, USA
| | - Riley J Regimbal
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55902, USA
| | - Chad C Wiggins
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55902, USA
| | - Jonathon W Senefeld
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55902, USA
| | - John R A Shepherd
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, 55902, USA
| | - Jonathan Thomas Elliott
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
- Geisel School of Medicine, Dartmouth College, Hanover, NH, 03755, USA
- Dartmouth-Hitchcock Medical Center, Lebanon, NH, 03756, USA
| | - Ryan J Halter
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
- Geisel School of Medicine, Dartmouth College, Hanover, NH, 03755, USA
| | - Vikrant S Vaze
- Thayer School of Engineering, Dartmouth College, Hanover, NH, 03755, USA
| | - Norman A Paradis
- Geisel School of Medicine, Dartmouth College, Hanover, NH, 03755, USA
- Dartmouth-Hitchcock Medical Center, Lebanon, NH, 03756, USA
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10
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Lubkin DT, Mueck KM, Hatton GE, Brill JB, Sandoval M, Cardenas JC, Wade CE, Cotton BA. Does an early, balanced resuscitation strategy reduce the incidence of hypofibrinogenemia in hemorrhagic shock? Trauma Surg Acute Care Open 2024; 9:e001193. [PMID: 38596569 PMCID: PMC11002398 DOI: 10.1136/tsaco-2023-001193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Accepted: 03/20/2024] [Indexed: 04/11/2024] Open
Abstract
Objectives Some centers have recommended including concentrated fibrinogen replacement in massive transfusion protocols (MTPs). Given our center's policy of aggressive early balanced resuscitation (1:1:1), beginning prehospital, we hypothesized that our rates of hypofibrinogenemia may be lower than those previously reported. Methods In this retrospective cohort study, patients presenting to our trauma center November 2017 to April 2021 were reviewed. Patients were defined as hypofibrinogenemic (HYPOFIB) if admission fibrinogen <150 or rapid thrombelastography angle <60. Univariate and multivariable analyses assessed risk factors for HYPOFIB. Inverse probability of treatment weighting analyses assessed the relationship between cryoprecipitate administration and outcomes. Results Of 29 782 patients, 6618 level 1 activations, and 1948 patients receiving emergency release blood, <1%, 2%, and 7% were HYPOFIB. HYPOFIB patients were younger, had higher head Abbreviated Injury Scale value, and had worse coagulopathy and shock. HYPOFIB had lower survival (48% vs 82%, p<0.001), shorter time to death (median 28 (7, 50) vs 36 (14, 140) hours, p=0.012), and were more likely to die from head injury (72% vs 51%, p<0.001). Risk factors for HYPOFIB included increased age (OR (95% CI) 0.98 (0.96 to 0.99), p=0.03), head injury severity (OR 1.24 (1.06 to 1.46), p=0.009), lower arrival pH (OR 0.01 (0.001 to 0.20), p=0.002), and elevated prehospital red blood cell to platelet ratio (OR 1.20 (1.02 to 1.41), p=0.03). Among HYPOFIB patients, there was no difference in survival for those that received early cryoprecipitate (within 2 hours; 40 vs 47%; p=0.630). On inverse probability of treatment weighted analysis, early cryoprecipitate did not benefit the full cohort (OR 0.52 (0.43 to 0.65), p<0.001), nor the HYPOFIB subgroup (0.28 (0.20 to 0.39), p<0.001). Conclusions Low rates of hypofibrinogenemia were found in our center which treats hemorrhage with early, balanced resuscitation. Previously reported higher rates may be partially due to unbalanced resuscitation and/or delay in resuscitation initiation. Routine empiric inclusion of concentrated fibrinogen replacement in MTPs is not supported by the currently available data. Level of evidence Level III.
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Affiliation(s)
- David T Lubkin
- Surgery, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Krislynn M Mueck
- Surgery, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Gabrielle E Hatton
- Surgery, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Jason B Brill
- Surgery, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Mariela Sandoval
- Surgery, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Jessica C Cardenas
- Surgery, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Charles E Wade
- Surgery, The University of Texas Health Science Center at Houston, Houston, Texas, USA
| | - Bryan A Cotton
- Surgery, The University of Texas Health Science Center at Houston, Houston, Texas, USA
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11
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Wannatoop T, Phuangphung P, Sornmanapong T. Resuscitative endovascular balloon occlusion of the aorta in trauma management: a comprehensive study of clinical indications and challenges. Trauma Surg Acute Care Open 2024; 9:e001264. [PMID: 38596566 PMCID: PMC11002364 DOI: 10.1136/tsaco-2023-001264] [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] [Indexed: 04/11/2024] Open
Abstract
Background The application of resuscitative endovascular balloon occlusion of the aorta (REBOA) in trauma resuscitation, including for profound shock and cardiac arrest, has gained prominence. This study aimed to determine the characteristics of patients who were transported to the trauma resuscitation area (the TTRA group) and those who died at the scene (the DAS group), aiming to identify suitable REBOA candidates and critical contraindications. Methods A descriptive research design was used. We retrospectively reviewed 1158 adult trauma patients managed at a level I trauma center in 2020 and 2021. The TTRA group comprised 215 patients who, upon arrival at the trauma resuscitation area, either presented with a systolic blood pressure under 90 mm Hg or were in traumatic cardiac arrest but still exhibited signs of life. The study included patients directly transferred from incident scenes to the forensic unit. The DAS group comprised 434 individuals who were declared deceased at the scene of major trauma. REBOA indications were considered for two purposes: anatomic bleeding control for sources below the diaphragm to the groin, and circulatory restoration in patients with profound shock or cardiac arrest. Absolute REBOA contraindications were assessed, particularly for aortic and cardiac injuries, with or without cardiac tamponade. Results Predominantly male, the cohort largely consisted of motorcycle accident victims. The median Injury Severity Score was 41 (range 1-75). Within the TTRA group, the prospective applicability of REBOA was 52.6%, with a prevalence of major hemorrhagic sources from the abdomen to the groin of 38.6% and substantial intra-abdominal bleeding of 28.8%. The DAS group exhibited a prevalence of major hemorrhagic sources from the abdomen to the groin of 50.2%, and substantial intra-abdominal bleeding of 41.2%. In terms of REBOA contraindications, the DAS group demonstrated a greater prevalence of overall contraindications of 25.8%, aortic injuries 17.3%, and concomitant conditions of 16.4%. In the TTRA group, the rates of overall contraindications, aortic injury, and comorbid conditions were 12.6%, 4.2%, and 8.8, respectively. Cardiac injuries were noted in approximately 10% of patients in both groups. Conclusions This investigation underscores the potential benefits of REBOA in the management of major trauma patients. The prevalence of bleeding sources suitable for REBOA was high in both the TTRA and DAS groups. However, a significant number of patients in both groups also had contraindications to the procedure. These outcomes highlight the critical importance of enhanced training in patient assessment to ensure the safe and effective deployment of REBOA, particularly in resource-limited environments such as ongoing trauma resuscitation and prehospital care. Level of evidence Level III.
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Affiliation(s)
- Tongporn Wannatoop
- Department of Surgery, Mahidol University, Faculty of Medicine Siriraj Hospital, Bangkok, Thailand
| | - Peerayuht Phuangphung
- Department of Forensic Medicine, Mahidol University, Faculty of Medicine Siriraj Hospital, Bangkok, Thailand
| | - Tanut Sornmanapong
- Department of Surgery, Mahidol University, Faculty of Medicine Siriraj Hospital, Bangkok, Thailand
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12
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Dorken-Gallastegi A, Naar L, Argandykov D, Lagazzi E, Dowling M, Montero P, Wallace B, Pallotta JB, Beagle J, Breen K, Velmahos GC, Duggan MJ, King DR. Safety of the injectable expanding biopolymer foam for non-compressible truncal bleeding in swine. Surgery 2024; 175:1189-1197. [PMID: 38092635 DOI: 10.1016/j.surg.2023.11.010] [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: 08/18/2023] [Revised: 10/15/2023] [Accepted: 11/07/2023] [Indexed: 03/17/2024]
Abstract
BACKGROUND A novel hydrophobically modified chitosan (hm-chitosan) polymer has been previously shown to improve survival in a non-compressible intra-abdominal bleeding model in swine. We performed a 28-day survival study to evaluate the safety of the hm-chitosan polymer in swine. METHODS Female Yorkshire swine (40-50 kg) were used. A mild, non-compressible, closed-cavity bleeding model was created with splenic transection. The hm-chitosan polymer was applied intra-abdominally through an umbilical nozzle in the same composition and dose previously shown to improve survival. Animals were monitored intraoperatively and followed 28 days postoperatively for survival, signs of pain, and end-organ function. Gross pathological and microscopic evaluations were performed at the conclusion of the experiment. RESULTS A total of 10 animals were included (hm-chitosan = 8; control = 2). The 2 control animals survived through 28 days, and 7 of the 8 animals from the hm-chitosan group survived without any adverse events. One animal from the hm-chitosan group required early termination of the study for signs of pain, and superficial colonic ulcers were found on autopsy. Laboratory tests showed no signs of end-organ dysfunction after exposure to hm-chitosan after 28 days. On gross pathological examination, small (<0.5 cm) peritoneal nodules were noticed in the hm-chitosan group, which were consistent with giant-cell foreign body reaction in microscopy, presumably related to polymer remnants. Microscopically, no signs of systemic polymer embolization or thrombosis were noticed. CONCLUSION Prolonged intraperitoneal exposure to the hm-chitosan polymer was tolerated without any adverse event in the majority of animals. In the single animal that required early termination, the material did not appear to be associated with end-organ dysfunction in swine. Superficial colonic ulcers that would require surgical repair were identified in 1 out of 8 animals exposed to hm-chitosan.
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Affiliation(s)
- Ander Dorken-Gallastegi
- Trauma, Emergency Surgery, Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA. https://twitter.com/AnderDorken
| | - Leon Naar
- Trauma, Emergency Surgery, Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA. https://twitter.com/lnaar
| | - Dias Argandykov
- Trauma, Emergency Surgery, Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA. https://twitter.com/argandykov
| | - Emanuele Lagazzi
- Trauma, Emergency Surgery, Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA; Department of Surgery, Humanitas Research Hospital, Rozzano, Italy. https://twitter.com/EmanueleLagazzi
| | | | | | | | - Jessica B Pallotta
- Trauma, Emergency Surgery, Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - John Beagle
- Trauma, Emergency Surgery, Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Kerry Breen
- Trauma, Emergency Surgery, Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - George C Velmahos
- Trauma, Emergency Surgery, Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - Michael J Duggan
- Trauma, Emergency Surgery, Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA
| | - David R King
- Trauma, Emergency Surgery, Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, MA.
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13
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Torres CM, Kenzik KM, Saillant NN, Scantling DR, Sanchez SE, Brahmbhatt TS, Dechert TA, Sakran JV. Timing to First Whole Blood Transfusion and Survival Following Severe Hemorrhage in Trauma Patients. JAMA Surg 2024; 159:374-381. [PMID: 38294820 PMCID: PMC10831629 DOI: 10.1001/jamasurg.2023.7178] [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: 06/15/2023] [Accepted: 10/01/2023] [Indexed: 02/01/2024]
Abstract
Importance Civilian trauma centers have revived interest in whole-blood (WB) resuscitation for patients with life-threatening bleeding. However, there remains insufficient evidence that the timing of WB transfusion when given as an adjunct to a massive transfusion protocol (MTP) is associated with a difference in patient survival outcome. Objective To evaluate whether earlier timing of first WB transfusion is associated with improved survival at 24 hours and 30 days for adult trauma patients presenting with severe hemorrhage. Design, Setting, and Participants This retrospective cohort study used the American College of Surgeons Trauma Quality Improvement Program databank from January 1, 2019, to December 31, 2020, for adult patients presenting to US and Canadian adult civilian level 1 and 2 trauma centers with systolic blood pressure less than 90 mm Hg, with shock index greater than 1, and requiring MTP who received a WB transfusion within the first 24 hours of emergency department (ED) arrival. Patients with burns, prehospital cardiac arrest, deaths within 1 hour of ED arrival, and interfacility transfers were excluded. Data were analyzed from January 3 to October 2, 2023. Exposure Patients who received WB as an adjunct to MTP (earlier) compared with patients who had yet to receive WB as part of MTP (later) at any given time point within 24 hours of ED arrival. Main Outcomes and Measures Primary outcomes were survival at 24 hours and 30 days. Results A total of 1394 patients met the inclusion criteria (1155 male [83%]; median age, 39 years [IQR, 25-51 years]). The study cohort included profoundly injured patients (median Injury Severity Score, 27 [IQR, 17-35]). A survival curve demonstrated a difference in survival within 1 hour of ED presentation and WB transfusion. Whole blood transfusion as an adjunct to MTP given earlier compared with later at each time point was associated with improved survival at 24 hours (adjusted hazard ratio, 0.40; 95% CI, 0.22-0.73; P = .003). Similarly, the survival benefit of earlier WB transfusion remained present at 30 days (adjusted hazard ratio, 0.32; 95% CI, 0.22-0.45; P < .001). Conclusions and Relevance In this cohort study, receipt of a WB transfusion earlier at any time point within the first 24 hours of ED arrival was associated with improved survival in patients presenting with severe hemorrhage. The survival benefit was noted shortly after transfusion. The findings of this study are clinically important as the earlier timing of WB administration may offer a survival advantage in actively hemorrhaging patients requiring MTP.
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Affiliation(s)
- Crisanto M. Torres
- Division of Trauma and Acute Care Surgery, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts
| | - Kelly M. Kenzik
- Division of Trauma and Acute Care Surgery, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts
| | - Noelle N. Saillant
- Division of Trauma and Acute Care Surgery, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts
| | - Dane R. Scantling
- Division of Trauma and Acute Care Surgery, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts
| | - Sabrina E. Sanchez
- Division of Trauma and Acute Care Surgery, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts
| | - Tejal S. Brahmbhatt
- Division of Trauma and Acute Care Surgery, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts
| | - Tracey A. Dechert
- Division of Trauma and Acute Care Surgery, Boston Medical Center, Boston University School of Medicine, Boston, Massachusetts
| | - Joseph V. Sakran
- Johns Hopkins School of Medicine, Baltimore, Maryland
- Division of Acute Care Surgery, Johns Hopkins Hospital, Baltimore, Maryland
- Johns Hopkins School of Nursing, Baltimore, Maryland
- Satcher Health Leadership Institute, Morehouse School of Medicine, Atlanta, Georgia
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14
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Bath MF, Schloer J, Strobel J, Rea W, Lefering R, Maegele M, De'Ath H, Perkins ZB. Trends in pre-hospital volume resuscitation of blunt trauma patients: a 15-year analysis of the British (TARN) and German (TraumaRegister DGU®) National Registries. Crit Care 2024; 28:81. [PMID: 38491444 PMCID: PMC10941386 DOI: 10.1186/s13054-024-04854-x] [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: 12/09/2023] [Accepted: 02/28/2024] [Indexed: 03/18/2024] Open
Abstract
INTRODUCTION Fluid resuscitation has long been a cornerstone of pre-hospital trauma care, yet its optimal approach remains undetermined. Although a liberal approach to fluid resuscitation has been linked with increased complications, the potential survival benefits of a restrictive approach in blunt trauma patients have not been definitively established. Consequently, equipoise persists regarding the optimal fluid resuscitation strategy in this population. METHODS We analysed data from the two largest European trauma registries, the UK Trauma Audit and Research Network (TARN) and the German TraumaRegister DGU® (TR-DGU), between 2004 and 2018. All adult blunt trauma patients with an Injury Severity Score > 15 were included. We examined annual trends in pre-hospital fluid resuscitation, admission coagulation function, and mortality rates. RESULTS Over the 15-year study period, data from 68,510 patients in the TARN cohort and 82,551 patients in the TR-DGU cohort were analysed. In the TARN cohort, 3.4% patients received pre-hospital crystalloid fluids, with a median volume of 25 ml (20-36 ml) administered. Conversely, in the TR-DGU cohort, 91.1% patients received pre-hospital crystalloid fluids, with a median volume of 756 ml (750-912 ml) administered. Notably, both cohorts demonstrated a consistent year-on-year decrease in the volume of pre-hospital fluid administered, accompanied by improvements in admission coagulation function and reduced mortality rates. CONCLUSION Considerable variability exists in pre-hospital fluid resuscitation strategies for blunt trauma patients. Our data suggest a trend towards reduced pre-hospital fluid administration over time. This trend appears to be associated with improved coagulation function and decreased mortality rates. However, we acknowledge that these outcomes are influenced by multiple factors, including other improvements in pre-hospital care over time. Future research should aim to identify which trauma populations may benefit, be harmed, or remain unaffected by different pre-hospital fluid resuscitation strategies.
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Affiliation(s)
- M F Bath
- Centre for Trauma Sciences, Queen Mary, University of London, London, UK
- Health Systems Design Group, Department of Engineering, University of Cambridge, Cambridge, UK
| | - J Schloer
- Centre for Trauma Sciences, Queen Mary, University of London, London, UK
- Department of Emergency Medicine, Klinikum St. Marien Amberg, Amberg, Germany
| | - J Strobel
- London's Air Ambulance, London, UK
- Berufsfeuerwehr Hamburg, Emergency Medical Services, Hamburg, Germany
| | - W Rea
- Centre for Trauma Sciences, Queen Mary, University of London, London, UK
| | - R Lefering
- Institute for Research in Operative Medicine, Cologne Merheim Medical Center, University of Witten/Herdecke, Cologne, Germany
| | - M Maegele
- Institute for Research in Operative Medicine, Cologne Merheim Medical Center, University of Witten/Herdecke, Cologne, Germany
| | - H De'Ath
- Centre for Trauma Sciences, Queen Mary, University of London, London, UK
| | - Z B Perkins
- Centre for Trauma Sciences, Queen Mary, University of London, London, UK.
- London's Air Ambulance, London, UK.
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15
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Zhang LY, Zhang HY. Torso hemorrhage: noncompressible? never say never. Eur J Med Res 2024; 29:153. [PMID: 38448977 PMCID: PMC10919054 DOI: 10.1186/s40001-024-01760-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2023] [Accepted: 02/29/2024] [Indexed: 03/08/2024] Open
Abstract
Since limb bleeding has been well managed by extremity tourniquets, the management of exsanguinating torso hemorrhage (TH) has become a hot issue both in military and civilian medicine. Conventional hemostatic techniques are ineffective for managing traumatic bleeding of organs and vessels within the torso due to the anatomical features. The designation of noncompressible torso hemorrhage (NCTH) marks a significant step in investigating the injury mechanisms and developing effective methods for bleeding control. Special tourniquets such as abdominal aortic and junctional tourniquet and SAM junctional tourniquet designed for NCTH have been approved by FDA for clinical use. Combat ready clamp and junctional emergency treatment tool also exhibit potential for external NCTH control. In addition, resuscitative endovascular balloon occlusion of the aorta (REBOA) further provides an endovascular solution to alleviate the challenges of NCTH treatment. Notably, NCTH cognitive surveys have revealed that medical staff have deficiencies in understanding relevant concepts and treatment abilities. The stereotypical interpretation of NCTH naming, particularly the term noncompressible, is the root cause of this issue. This review discusses the dynamic relationship between TH and NCTH by tracing the development of external NCTH control techniques. The authors propose to further subdivide the existing NCTH into compressible torso hemorrhage and NCTH' (noncompressible but REBOA controllable) based on whether hemostasis is available via external compression. Finally, due to the irreplaceability of special tourniquets during the prehospital stage, the authors emphasize the importance of a package program to improve the efficacy and safety of external NCTH control. This program includes the promotion of tourniquet redesign and hemostatic strategies, personnel reeducation, and complications prevention.
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Affiliation(s)
- Lian-Yang Zhang
- Department of Trauma Surgery, War Trauma Medical Center, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, China
| | - Hua-Yu Zhang
- Department of Trauma Surgery, War Trauma Medical Center, State Key Laboratory of Trauma, Burn and Combined Injury, Daping Hospital, Army Medical University, Chongqing, 400042, China.
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16
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Jones AR, Hallman M, Watts P, Heaton K. Do Experienced Nurses Benefit From Training on Bleeding Control in the Community Setting? J Emerg Nurs 2024; 50:187-191. [PMID: 37999694 DOI: 10.1016/j.jen.2023.10.007] [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: 08/02/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 11/25/2023]
Abstract
INTRODUCTION Nurses' preparedness to provide hemorrhage control aid outside of the patient care setting has not been thoroughly evaluated. We evaluated nurses' preparedness to provide hemorrhage control in the prehospital setting after a proof-of-concept training event. METHODS We performed a secondary analysis of evaluations from a voluntary hemorrhage control training offered to a group of experienced nurses. Education was provided by a nurse certified in Stop the Bleed training and using the Basic Bleeding Control 2.0 materials. The training lasted approximately 1 hour and included a didactic portion followed by hands-on practice with task trainer legs. Participants were surveyed after training to assess their preparedness to provide hemorrhage control aid using a 5-point Likert scale (1 = strongly disagree to 5 = strongly agree); comments and feedback were also requested. Mean (SD) was used to analyze Likert scale data. Content analysis was performed to identify common themes in qualitative data. RESULTS Forty-five experienced nurses participated in the voluntary training. Nursing experience included obstetrics, pediatrics, critical care, acute care, community health, and psychiatric/mental health. Only 39% of participants reported having previously completed a similar course. After training completion, participants reported an increase in their preparedness to provide hemorrhage control aid (mean 3.47 [SD = 1.40] vs mean 4.8 SD [.04], P < .01). Major themes identified included wanting to feel prepared to help others, refreshing skills, and knowing how to respond in an emergency. DISCUSSION Regardless of background and experience, nurses may benefit from more advanced hemorrhage control education to prepare them to provide aid in prehospital emergency settings.
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17
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Meyer CH, Bailey NM, Leslie SL, Thrasher K, Grady Z, Sanders M, Moore E, Nicely KW, Smith RN. Defining Ultra-Massive Transfusion through a Systematic Review. Am J Surg 2024; 228:192-198. [PMID: 38616968 PMCID: PMC11008908 DOI: 10.1016/j.amjsurg.2023.09.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
Background Despite the widespread use of ultra-massive transfusion (UMT) as an intervention for trauma patients in hemorrhagic shock, no standard definition exists. We performed a systematic review to determine a consensus definition for UMT. Methods A search was performed from 1979-2022. The authors screened studies defining UMT and associated outcomes as defined by our prespecified PICO questions. The PRISMA guidelines were used. Results 1662 articles met criteria for eligibility assessment, 17 for full-text review and eight for data extraction. Only two studies demonstrated a consensus definition of UMT, which used ≥20 units of red blood cell product within 24hrs. Parameters associated with increased mortality included lower blood pressure, lower pulse and lower Glasgow Coma Score at the time of presentation and a higher injury severity score and undergoing a resuscitative thoracotomy. Conclusions The absence of a consensus definition for UMT raises challenges from clinical, research and ethical perspectives. Based on our findings, the authors advocate for the feasibility of standardizing the definition of UMT as ≥20 units of red blood cell product within 24hrs.
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Affiliation(s)
- Courtney H Meyer
- Grady Health System, Atlanta, GA
- Emory University School of Medicine, Atlanta, GA
- Emory University Rollins School of Public Health, Atlanta, GA
| | | | - Sharon L Leslie
- Emory University Woodruff Health Sciences Center Library, Atlanta, GA
| | - Kenya Thrasher
- Grady Health System, Atlanta, GA
- Morehouse School of Medicine, Atlanta, GA
| | - Zach Grady
- Grady Health System, Atlanta, GA
- Emory University School of Medicine, Atlanta, GA
| | - M Sanders
- Emory University Nell Hodgson Woodruff School of Nursing, Atlanta, GA
| | - Erica Moore
- Emory University Nell Hodgson Woodruff School of Nursing, Atlanta, GA
| | - K W Nicely
- Emory University Nell Hodgson Woodruff School of Nursing, Atlanta, GA
| | - Randi N Smith
- Grady Health System, Atlanta, GA
- Emory University School of Medicine, Atlanta, GA
- Emory University Rollins School of Public Health, Atlanta, GA
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18
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L'Huillier JC, Hua S, Logghe HJ, Yu J, Myneni AA, Noyes K, Guo WA. Transfusion futility thresholds and mortality in geriatric trauma: Does frailty matter? Am J Surg 2024; 228:113-121. [PMID: 37684168 DOI: 10.1016/j.amjsurg.2023.08.020] [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: 06/18/2023] [Revised: 08/14/2023] [Accepted: 08/22/2023] [Indexed: 09/10/2023]
Abstract
BACKGROUND Data on massive transfusion (MT) in geriatric trauma patients is lacking. This study aims to determine geriatric transfusion futility thresholds (TT) and TT variations based on frailty. METHODS Patients from 2013 to 2018 TQIP database receiving MT were stratified by age and frailty. TTs and outcomes were compared between geriatric and younger adults and among geriatric adults based on frailty status. RESULTS The TT was lower for geriatric than younger adults (34 vs 39 units; p = 0.03). There was no difference in TT between the non-frail, frail, and severely frail geriatric adults (37, 30 and 25 units, respectively, p > 0.05). Geriatric adults had higher mortality than younger adults (63.1% vs 45.8%, p < 0.01). Non-frail geriatric adults had the highest mortality (69.4% vs 56.5% vs 56.2%, p < 0.01). CONCLUSIONS Geriatric patients have a lower TT than younger adults, irrespective of frailty. This may help improve outcomes and optimize MT utilization.
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Affiliation(s)
- Joseph C L'Huillier
- Department of Surgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, 14203, USA; Division of Health Services Policy and Practice, Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY, 14203, USA
| | - Shuangcheng Hua
- Department of Biostatistics, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY, 14203, USA
| | - Heather J Logghe
- Department of Surgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, 14203, USA
| | - Jihnhee Yu
- Department of Biostatistics, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY, 14203, USA
| | - Ajay A Myneni
- Department of Surgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, 14203, USA
| | - Katia Noyes
- Department of Surgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, 14203, USA; Division of Health Services Policy and Practice, Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, Buffalo, NY, 14203, USA
| | - Weidun A Guo
- Department of Surgery, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, Buffalo, NY, 14203, USA.
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Picetti E, Demetriades AK, Catena F, Aarabi B, Abu-Zidan FM, Alves OL, Ansaloni L, Armonda RA, Badenes R, Bala M, Balogh ZJ, Barbanera A, Bertuccio A, Biffl WL, Bouzat P, Buki A, Castano-Leon AM, Cerasti D, Citerio G, Coccolini F, Coimbra R, Coniglio C, Costa F, De Iure F, Depreitere B, Fainardi E, Fehlings MJ, Gabrovsky N, Godoy DA, Gruen P, Gupta D, Hawryluk GWJ, Helbok R, Hossain I, Hutchinson PJ, Iaccarino C, Inaba K, Ivanov M, Kaprovoy S, Kirkpatrick AW, Klein S, Kolias A, Konovalov NA, Lagares A, Lippa L, Loza-Gomez A, Luoto TM, Maas AIR, Maciejczak A, Maier RV, Marklund N, Martin MJ, Melloni I, Mendoza-Lattes S, Meyfroidt G, Munari M, Napolitano LM, Okonkwo DO, Otomo Y, Papadopoulos MC, Petr O, Peul WC, Pudkrong AK, Qasim Z, Rasulo F, Reizinho C, Ringel F, Rizoli S, Rostami E, Rubiano AM, Russo E, Sarwal A, Schwab JM, Servadei F, Sharma D, Sharif S, Shiban E, Shutter L, Stahel PF, Taccone FS, Terpolilli NA, Thomé C, Toth P, Tsitsopoulos PP, Udy A, Vaccaro AR, Varon AJ, Vavilala MS, Younsi A, Zackova M, Zoerle T, Robba C. Early management of adult traumatic spinal cord injury in patients with polytrauma: a consensus and clinical recommendations jointly developed by the World Society of Emergency Surgery (WSES) & the European Association of Neurosurgical Societies (EANS). World J Emerg Surg 2024; 19:4. [PMID: 38238783 PMCID: PMC10795357 DOI: 10.1186/s13017-023-00525-4] [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: 10/28/2023] [Accepted: 11/25/2023] [Indexed: 01/22/2024] Open
Abstract
BACKGROUND The early management of polytrauma patients with traumatic spinal cord injury (tSCI) is a major challenge. Sparse data is available to provide optimal care in this scenario and worldwide variability in clinical practice has been documented in recent studies. METHODS A multidisciplinary consensus panel of physicians selected for their established clinical and scientific expertise in the acute management of tSCI polytrauma patients with different specializations was established. The World Society of Emergency Surgery (WSES) and the European Association of Neurosurgical Societies (EANS) endorsed the consensus, and a modified Delphi approach was adopted. RESULTS A total of 17 statements were proposed and discussed. A consensus was reached generating 17 recommendations (16 strong and 1 weak). CONCLUSIONS This consensus provides practical recommendations to support a clinician's decision making in the management of tSCI polytrauma patients.
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Affiliation(s)
- Edoardo Picetti
- Department of Anesthesia and Intensive Care, Parma University Hospital, Parma, Italy.
| | - Andreas K Demetriades
- Department of Neurosurgery, Royal Infirmary Edinburgh, Edinburgh, UK
- Leiden University Neurosurgical Centre Holland, HMC-HAGA The Hague & LUMC Leiden, Leiden, The Netherlands
| | - Fausto Catena
- Emergency and Trauma Surgery, Bufalini Hospital, Cesena, Italy
| | - Bizhan Aarabi
- Department of Neurosurgery, University of Maryland, Baltimore, MD, USA
| | - Fikri M Abu-Zidan
- The Research Office, College of Medicine and Health Sciences, United Arab Emirates University, Al-Ain, United Arab Emirates
| | - Oscar L Alves
- Hospital Lusíadas Porto, Centro Hospitalar de Gaia/Espinho, Porto, Portugal
| | - Luca Ansaloni
- Department of Surgery, Pavia University Hospital, Pavia, Italy
| | - Rocco A Armonda
- Department of Neurosurgery, Georgetown University School of Medicine and MedStar Washington Hospital Center, Washington, DC, USA
| | - Rafael Badenes
- Department of Anesthesiology and Surgical-Trauma Intensive Care, Hospital Clínic Universitari de Valencia, University of Valencia, Valencia, Spain
| | - Miklosh Bala
- Department of General Surgery, Hadassah Medical Center and Faculty of Medicine, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Zsolt J Balogh
- Department of Traumatology, John Hunter Hospital, Hunter Medical Research Institute and University of Newcastle, Newcastle, Australia
| | - Andrea Barbanera
- Department of Neurosurgery, SS Antonio e Biagio e Cesare Arrigo Alessandria Hospital, Alessandria, Italy
| | - Alessandro Bertuccio
- Division of Trauma/Acute Care Surgery, Scripps Clinic Medical Group, La Jolla, CA, USA
| | - Walter L Biffl
- Division of Trauma/Acute Care Surgery, Scripps Clinic Medical Group, La Jolla, CA, USA
| | - Pierre Bouzat
- Universite Grenoble Alpes, CHU Grenoble Alpes, Grenoble, France
| | - Andras Buki
- School of Medical Sciences, Örebro University, Örebro, Sweden
| | | | - Davide Cerasti
- Neuroradiology Unit, Parma University Hospital, Parma, Italy
| | - Giuseppe Citerio
- School of Medicine and Surgery, University of Milano-Bicocca, Monza, Italy
- Department of Neuroscience, Fondazione IRCCS San Gerardo Dei Tintori, Monza, Italy
| | - Federico Coccolini
- General, Emergency and Trauma Surgery Department, Pisa University Hospital, Pisa, Italy
| | - Raul Coimbra
- Division of Trauma and Acute Care Surgery, Riverside University Health System Medical Center, Riverside, CA, USA
| | - Carlo Coniglio
- Department of Anesthesia, Intensive Care and Prehospital Emergency, Ospedale Maggiore Carlo Alberto Pizzardi, Bologna, Italy
| | - Francesco Costa
- Department of Neurosurgery, Fondazione IRCCS Istituto Neurologico C. Besta, University of Milan, Milan, Italy
| | - Federico De Iure
- Department of Spine Surgery, Ospedale Maggiore Carlo Alberto Pizzardi, Bologna, Italy
| | - Bart Depreitere
- Department of Neurosurgery, University Hospital KU Leuven, Louvain, Belgium
| | - Enrico Fainardi
- Neuroradiology Unit, Department of Experimental and Clinical Biomedical Sciences, University of Florence, Florence, Italy
| | - Michael J Fehlings
- Division of Neurosurgery, Department of Surgery, University of Toronto, Krembil Research Institute, Toronto Western Hospital, Toronto, ON, Canada
| | - Nikolay Gabrovsky
- Clinic of Neurosurgery, University Hospital Pirogov, Sofia, Bulgaria
| | | | - Peter Gruen
- Department of Neurological Surgery, University of Southern California, Los Angeles, CA, USA
| | - Deepak Gupta
- Department of Neurosurgery, Neurosciences Centre and JPN Apex Trauma Centre, All India Institute of Medical Sciences, New Delhi, India
| | - Gregory W J Hawryluk
- Neurological Institute, Cleveland Clinic, Akron General Hospital, Fairlawn, OH, USA
| | - Raimund Helbok
- Department of Neurology, Johannes Kepler University Linz, Kepler University Hospital, Linz, Austria
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Iftakher Hossain
- Neurocenter, Department of Neurosurgery, Turku University Hospital, Turku, Finland
- Division of Neurosurgery, Department of Clinical Neurosciences, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
| | - Peter J Hutchinson
- Division of Neurosurgery, Department of Clinical Neurosciences, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
| | - Corrado Iaccarino
- Neurosurgery Unit, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Azienda Ospedaliero-Universitaria di Modena, Modena, Italy
| | - Kenji Inaba
- Division of Acute Care Surgery, Department of Surgery, University of Southern California, Los Angeles, CA, USA
| | - Marcel Ivanov
- Neurosurgery Department, Royal Hallamshire Hospital, Sheffield, UK
| | - Stanislav Kaprovoy
- Department of Spinal and Peripheral Nerve Surgery Burdenko Neurosurgical Center, Moscow, Russia
| | - Andrew W Kirkpatrick
- Departments of Surgery and Critical Care Medicine, Foothills Medical Centre, University of Calgary, Calgary, AB, Canada
| | - Sam Klein
- Department of Neurosurgery, Jessa Hospital, Hasselt, Belgium
- Faculty of Medicine and Life Science, Hasselt University, Hasselt, Belgium
| | - Angelos Kolias
- Division of Neurosurgery, Department of Clinical Neurosciences, Addenbrooke's Hospital, University of Cambridge, Cambridge, UK
- ANAPLASI Rehabilitation Centre, Athens, Greece
- 1St Neurosurgery Department, Henry Dunant Hospital Center, Athens, Greece
| | - Nikolay A Konovalov
- Department of Spinal and Peripheral Nerve Surgery Burdenko Neurosurgical Center, Moscow, Russia
| | - Alfonso Lagares
- Neurosurgery Department, University Hospital "12 de Octubre", Madrid, Spain
| | - Laura Lippa
- Department of Neurosurgery, Ospedale Niguarda, Milan, Italy
| | - Angelica Loza-Gomez
- Department of Emergency Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Teemu M Luoto
- Department of Neurosurgery, Tampere University Hospital and Tampere University, Tampere, Finland
| | - Andrew I R Maas
- Department of Neurosurgery, Antwerp University Hospital, Edegem, Belgium
- Department of Translational Neuroscience, Faculty of Medicine and Health Science, University of Antwerp, Antwerp, Belgium
| | - Andrzej Maciejczak
- Department of Neurosurgery, St Luke Hospital, University of Rzeszow, Tarnow, Poland
| | - Ronald V Maier
- Department of Surgery, University of Washington, Seattle, WA, USA
| | - Niklas Marklund
- Department of Clinical Sciences Lund, Neurosurgery, Lund University, Lund, Sweden
- Department of Neurosurgery, Skåne University Hospital, Lund, Sweden
| | | | - Ilaria Melloni
- Division of Neurosurgery, Department of Neurosciences (DINOGMI), IRCCS Ospedale Policlinico San Martino, Genoa, Italy
| | | | - Geert Meyfroidt
- Department and Laboratory of Intensive Care Medicine, University Hospitals Leuven and KU Leuven, Louvain, Belgium
| | - Marina Munari
- Neuro-Intensive Care Unit, University Hospital of Padova, Padua, Italy
| | - Lena M Napolitano
- Department of Surgery, University of Michigan Health System, Ann Arbor, MI, USA
| | - David O Okonkwo
- Department of Neurological Surgery, University of Pittsburgh, Pittsburgh, PA, USA
| | | | | | - Ondra Petr
- Department of Neurosurgery, Medical University Innsbruck, Innsbruck, Austria
| | - Wilco C Peul
- Leiden University Neurosurgical Centre Holland, HMC-HAGA The Hague & LUMC Leiden, Leiden, The Netherlands
| | - Aichholz K Pudkrong
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, USA
| | - Zaffer Qasim
- Department of Emergency Medicine, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, USA
| | - Frank Rasulo
- Department of Neuroanesthesia and Neurocritical Care, Spedali Civili University Affiliated Hospital of Brescia, Brescia, Italy
| | - Carla Reizinho
- Departamento de Neurocirurgia, Hospital Egas Moniz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal
| | - Florian Ringel
- Department of Neurosurgery, University Hospital Mainz, Mainz, Germany
| | - Sandro Rizoli
- Trauma Surgery Department, Hamad General Hospital, HMC, Doha, Qatar
| | - Elham Rostami
- Section of Neurosurgery, Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | | | - Emanuele Russo
- Anesthesia and Intensive Care Unit, AUSL Romagna, M.Bufalini Hospital, Cesena, Italy
| | - Aarti Sarwal
- Department of Neurology, Atrium Wake Forest School of Medicine, Winston Salem, NC, USA
| | - Jan M Schwab
- Belford Center for Spinal Cord Injury and Departments of Neurology and Neuroscience, Wexner Medical Center, The Ohio State University, Columbus, OH, USA
| | - Franco Servadei
- Humanitas Research Hospital-IRCCS & Humanitas University, Rozzano, Milan, Italy
| | - Deepak Sharma
- Neuroanesthesia & Perioperative Neuroscience, University of Washington, Seattle, WA, USA
| | - Salman Sharif
- Department of Neurosurgery, Liaquat National Hospital, Karachi, Pakistan
| | - Ehab Shiban
- Department of Neurosurgery, University Hospital Augsburg, Augsburg, Germany
| | - Lori Shutter
- Department of Critical Care Medicine, Neurology and Neurosurgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Philip F Stahel
- Department of Surgery, Brody School of Medicine, East Carolina University, Greenville, NC, USA
| | - Fabio S Taccone
- Department of Intensive Care, Hopital Universitaire de Bruxelles (HUB), Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Nicole A Terpolilli
- Department of Neurosurgery, LMU Hospital, Ludwig-Maximilian-University Munich, Munich, Germany
| | - Claudius Thomé
- Department of Neurosurgery, Medical University Innsbruck, Innsbruck, Austria
| | - Peter Toth
- Department of Neurosurgery, Medical School, University of Pecs, Pecs, Hungary
| | - Parmenion P Tsitsopoulos
- Department of Neurosurgery, Hippokration General Hospital, Aristotle University School of Medicine, Thessaloníki, Greece
| | - Andrew Udy
- Department of Intensive Care and Hyperbaric Medicine, The Alfred, Melbourne, VIC, 3004, Australia
| | - Alexander R Vaccaro
- Department of Orthopedic Surgery, Delaware Valley Spinal Cord Injury Center, Rothman Orthopedics, Sidney Kimmel Medical Center of Thomas Jefferson University, Philadelphia, PA, USA
| | - Albert J Varon
- Department of Anesthesiology, Perioperative Medicine, and Pain Management, University of Miami Miller School of Medicine/Ryder Trauma Center, Miami, FL, USA
| | - Monica S Vavilala
- Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, WA, USA
| | - Alexander Younsi
- Department of Neurosurgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Monika Zackova
- Division of Intensive Care and Neurology Unit, Montecatone Rehabilitation Institute, Imola, Italy
| | - Tommaso Zoerle
- Department of Pathophysiology and Transplantation, University of Milan, Department of Anesthesia, Critical Care and Emergency, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Chiara Robba
- IRCCS Policlinico San Martino, Dipartimento di Scienze Chirurgiche Diagnostiche e Integrate, Università di Genova, Genoa, Italy
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Ferrada P, Ferrada R, Jacobs L, Duchesne J, Ghio M, Joseph B, Taghavi S, Qasim ZA, Zakrison T, Brenner M, Dissanaike S, Feliciano D. Prioritizing Circulation to Improve Outcomes for Patients with Exsanguinating Injury: A Literature Review and Techniques to Help Clinicians Achieve Bleeding Control. J Am Coll Surg 2024; 238:129-136. [PMID: 38014850 PMCID: PMC10718219 DOI: 10.1097/xcs.0000000000000889] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/13/2023] [Accepted: 09/13/2023] [Indexed: 11/29/2023]
Abstract
Prioritizing circulation in trauma care and delaying intubation in noncompressible cases improve outcomes. By prioritizing circulation, patient survival significantly improves, advocating evidence-based shifts in trauma care.
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Affiliation(s)
- Paula Ferrada
- From Inova Healthcare System, Division of Acute Care Surgery, Falls Church, VA (P Ferrada)
| | - Ricardo Ferrada
- Department of Surgery, Universidad del Valle, Cali, Colombia (R Ferrada)
| | - Lenworth Jacobs
- Department of Surgery, University of Connecticut, Harford, CT (Jacobs)
| | - Juan Duchesne
- Department of Surgery Tulane Health System, New Orleans, LA (Duchesne, Ghio, Taghavi)
| | - Michael Ghio
- Department of Surgery Tulane Health System, New Orleans, LA (Duchesne, Ghio, Taghavi)
| | - Bellal Joseph
- Department of Surgery the University of Arizona, Tucson, AZ (Joseph)
| | - Sharven Taghavi
- Department of Surgery Tulane Health System, New Orleans, LA (Duchesne, Ghio, Taghavi)
| | - Zaffer A Qasim
- Emergency Medicine Department, University of Pennsylvania, Philadelphia, PA (Qasim)
| | - Tanya Zakrison
- Department of Surgery, University of Chicago, Chicago, IL (Zakrison)
| | - Megan Brenner
- UCLA David Geffen School of Medicine, Los Angeles, CA (Brenner)
| | | | - David Feliciano
- University of Maryland, Shock Trauma Center, Baltimore, MD (Feliciano)
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21
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Eisinger EC, Forsythe L, Joergensen S, Murali S, Cannon JW, Reilly PM, Kim PK, Kaufman EJ. Thromboembolic Complications Following Perioperative Tranexamic Acid Administration. J Surg Res 2024; 293:676-684. [PMID: 37839099 DOI: 10.1016/j.jss.2023.08.048] [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: 01/14/2023] [Revised: 07/25/2023] [Accepted: 08/27/2023] [Indexed: 10/17/2023]
Abstract
INTRODUCTION The antifibrinolytic tranexamic acid (TXA) may reduce death in trauma; however, outcomes associated with TXA use in patients without proven hyperfibrinolysis remain unclear. We analyzed the associations of empirically administered TXA, hypothesizing that TXA use would correlate to lower transfusion totals but increased thromboembolic complications. METHODS This retrospective cohort study compared trauma patients started on massive transfusion protocol at a Level I trauma center from 2016 to 2021 who either did or did not receive TXA. Our primary outcome was in-hospital mortality. Venous thromboembolism (VTE; pulmonary embolism or deep vein thrombosis), transfusion volumes, and coagulation measures were considered secondarily. Descriptive statistics, univariate analyses, and multivariable logistic regression were used to evaluate differences in outcomes. RESULTS TXA patients presented with lower systolic blood pressure (100 versus 119.5 mmHg, P = 0.009), trended toward higher injury severity (ISS of 25 versus 20, P = 0.057), and were likelier to have undergone thoracotomy or laparotomy (89 versus 71%, P = 0.002). After adjusting for age, mechanism, presenting vitals, and operation, TXA was not significantly associated with mortality or VTE. TXA patients had larger volumes of packed red blood cells, platelets, and plasma transfused within 4- and 24-h (P ≤ 0.002). No differences in clot stability, captured via thromboelastography, were noted. CONCLUSIONS Despite no differences in mortality or VTE between patients who did and did not receive TXA, there were significant differences in transfusion totals. TXA patients had worse presenting physiology and likely had more severe bleeding. This absence of adverse outcomes supports TXA's safety. Nevertheless, further inquiry into the precise mechanism of TXA may help guide its empiric use, allowing for more targeted application.
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Affiliation(s)
- Ella C Eisinger
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania.
| | - Liam Forsythe
- University of Pennsylvania, Philadelphia, Pennsylvania
| | | | - Shyam Murali
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Traumatology, Surgical Critical Care, and Emergency Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Jeremy W Cannon
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Traumatology, Surgical Critical Care, and Emergency Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Patrick M Reilly
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Traumatology, Surgical Critical Care, and Emergency Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Patrick K Kim
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Traumatology, Surgical Critical Care, and Emergency Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Elinore J Kaufman
- Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania; Division of Traumatology, Surgical Critical Care, and Emergency Surgery, University of Pennsylvania, Philadelphia, Pennsylvania
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22
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Dorken-Gallastegi A, Bokenkamp M, Argandykov D, Mendoza AE, Hwabejire JO, Saillant N, Fagenholz PJ, Kaafarani HMA, Velmahos GC, Parks JJ. Optimal dose of cryoprecipitate in massive transfusion following trauma. J Trauma Acute Care Surg 2024; 96:137-144. [PMID: 37335138 DOI: 10.1097/ta.0000000000004060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/21/2023]
Abstract
BACKGROUND While cryoprecipitate (Cryo) is commonly included in massive transfusion protocols for hemorrhagic shock, the optimal dose of Cryo transfusion remains unknown. We evaluated the optimal red blood cell (RBC) to RBC to Cryo ratio during resuscitation in massively transfused trauma patients. METHODS Adult patients in the American College of Surgeon Trauma Quality Improvement Program (2013-2019) receiving massive transfusion (≥4 U of RBCs, ≥1 U of fresh frozen plasma, and ≥1 U of platelets within 4 hours) were included. A unit of Cryo was defined as a pooled unit of 100 mL. The RBC:Cryo ratio was calculated for blood products transfused within 4 hours of presentation. The association between RBC:Cryo and 24-hour mortality was analyzed with multivariable logistic regression adjusting for the volume of RBC, plasma and platelet transfusions, global and regional injury severity, and other relevant variables. RESULTS The study cohort included 12,916 patients. Among those who received Cryo (n = 5,511 [42.7%]), the median RBC and Cryo transfusion volume within 4 hours was 11 U (interquartile range, 7-19 U) and 2 U (interquartile range, 1-3 U), respectively. Compared with no Cryo administration, only RBC:Cryo ratios ≤8:1 were associated with a significant survival benefit, while lower doses of Cryo (RBC:Cryo >8:1) were not associated with decreased 24-hour mortality. Compared with the maximum dose of Cryo administration (RBC:Cryo, 1:1-2:1), there was no difference in 24-hour mortality up to RBC:Cryo of 7:1 to 8:1, whereas lower doses of Cryo (RBC:Cryo, >8:1) were associated with significantly increased 24-hour mortality. CONCLUSION One pooled unit of Cryo (100 mL) per 7 to 8 U of RBCs could be the optimal dose of Cryo in trauma resuscitation that provides a significant survival benefit while avoiding unnecessary blood product transfusions. LEVEL OF EVIDENCE Prognostic and Epidemiologic; Level IV.
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Affiliation(s)
- Ander Dorken-Gallastegi
- From the Division of Trauma, Emergency Surgery, and Surgical Critical Care, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts
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23
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Day DL, Ng K, Severino R, Ng-Kamstra J. Seeking a Relevant Description of Major Trauma Bleeding: Comparison of Four Major Bleeding Definitions. J Trauma Nurs 2024; 31:7-14. [PMID: 38193485 DOI: 10.1097/jtn.0000000000000762] [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: 01/10/2024]
Abstract
BACKGROUND The traditional definition of massive transfusion is 10 red blood cell units transfused within 24 hr. This definition has been faulted for excluding patients who die early from exsanguination. Alternative major bleeding definitions in the trauma literature include time-based (e.g., Resuscitation Intensity) and event based (e.g., Sharpe) transfusion thresholds. OBJECTIVE The study objective was to compare four definitions of major bleeding, including a modification to the Sharpe definition, on clinically relevant processes and outcomes. METHODS This is a retrospective cohort study of adult trauma patients admitted from the field to a Level I trauma center from 2014 to 2019. Data sources were the trauma registry, blood bank, and electronic medical records. Transfusion thresholds were defined as follows: Resuscitation Intensity-4 units of any combination of crystalloids, colloids, or blood products within the first 30 min of arrival; Sharpe-10 red blood cell units from trauma bay presentation to inpatient admission (a proxy for the interval of hemorrhage control); Modified Sharpe-10 units of any combination of blood products during the same interval. The study analysis consisted of descriptive statistics. RESULTS The cohort contained 187 subjects. Of 39 deaths, 28 (72%) occurred within 6 hr following arrival. Modified Sharpe captured 27 (96%) of these 28 subjects, whereas Resuscitation Intensity captured 20 (71%). Sharpe and the traditional definition each captured 22 subjects (79%). Modified Sharpe captured 17%-25% of deaths missed by the other definitions. CONCLUSION Modified Sharpe may optimally indicate major bleeding during trauma resuscitation.
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Affiliation(s)
- Darcy L Day
- Crisis/Rapid Response Program, Nursing Division (Ms Day), Division of Trauma (Ms Ng), Division of Surgical Critical Care (Mr Severino), and FRCSC General Surgery & Adult Critical Care Medicine, Trauma, Acute Care Surgery, and Surgical Critical Care, Department of Surgery (Dr Ng-Kamstra), The Queen's Medical Center, Honolulu, Hawaii; and Department of Surgery, John A. Burns School of Medicine, Honolulu, Hawaii (Dr Ng-Kamstra)
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24
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Hosseinpour H, Anand T, Bhogadi SK, Colosimo C, El-Qawaqzeh K, Spencer AL, Castanon L, Ditillo M, Magnotti LJ, Joseph B. Emergency Department Shock Index Outperforms Prehospital and Delta Shock Indices in Predicting Outcomes of Trauma Patients. J Surg Res 2023; 291:204-212. [PMID: 37451172 DOI: 10.1016/j.jss.2023.05.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 05/04/2023] [Accepted: 05/15/2023] [Indexed: 07/18/2023]
Abstract
INTRODUCTION Multiple shock indices (SIs), including prehospital, emergency department (ED), and delta (ED SI - Prehospital SI) have been developed to predict outcomes among trauma patients. This study aims to compare the predictive abilities of these SIs for outcomes of polytrauma patients on a national level. METHODS This was a retrospective analysis of the American College of Surgeons Trauma Quality Improvement Program (2017-2018). We included adult (≥18 y) trauma patients and excluded patients who were transferred, had missing vital signs, and those with severe head injuries (Head-Abbreviated Injury Scale>3). Outcome measures were 24-h and in-hospital mortality, 24-h packed red blood cells transfusions, and intensive care unit and hospital length of stay. Predictive performances of these SIs were evaluated by the Area Under the Receiver Operating Characteristics for the entire study cohort and across all injury severities. RESULTS A total of 750,407 patients were identified. Meanstandard deviation age and lowest systolic blood pressure were 53 ± 21 y, and 81 ± 32 mmHg, respectively. Overall, 24-h and in-hospital mortality were 1.2% and 2.5%, respectively. On multivariable analysis, all three SIs were independently associated with higher rates of 24-h and in-hospital mortality, blood product requirements, intensive care unit and hospital length of stay (P < 0.001). ED SI was superior to prehospital and delta SIs (P < 0.001) for all outcomes. On subanalysis of patients with moderate injuries, severe injuries, and positive delta SI, the results remained the same. CONCLUSIONS ED SI outperformed both prehospital and delta SIs across all injury severities. Trauma triage guidelines should prioritize ED SI in the risk stratification of trauma patients who may benefit from earlier and more intense trauma activations.
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Affiliation(s)
- Hamidreza Hosseinpour
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona
| | - Tanya Anand
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona
| | - Sai Krishna Bhogadi
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona
| | - Christina Colosimo
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona
| | - Khaled El-Qawaqzeh
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona
| | - Audrey L Spencer
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona
| | - Lourdes Castanon
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona
| | - Michael Ditillo
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona
| | - Louis J Magnotti
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona
| | - Bellal Joseph
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, Arizona.
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25
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Serpa E, Zimmerman SO, Bauman ZM, Kulvatunyou N. A Contemporary Study of Pre-hospital Traumatic Cardiac Arrest: Distinguishing Exsanguination From Non-exsanguination Arrest With a Review of Current Literature. Cureus 2023; 15:e48181. [PMID: 38046709 PMCID: PMC10693434 DOI: 10.7759/cureus.48181] [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] [Accepted: 11/02/2023] [Indexed: 12/05/2023] Open
Abstract
Background Traumatic cardiac arrest (TCA) remains a challenging problem in terms of diagnosis and management. This is due to difficulty distinguishing the TCA cause and therefore understanding the pathophysiology. The goal of this study was to analyze a contemporary series of TCA patients and classify the causes of TCA into exsanguination (EX) arrest and non-exsanguination (non-EX) arrest. Methods This was a retrospective review of patients suffering TCA during 2019 at a level I trauma center. We excluded patients whose arrests were from medical causes such as ventricular fibrillation, ventricular tachycardia, pulmonary embolus, etc., hanging, drowning, thermal injury, outside transfer, and pediatric patients (age <13 as this is our institutional definition for pediatric trauma patients). We reviewed pre-hospital run-sheets, hospital charts including autopsy findings, and classified patients into EX and non-EX TCA. We defined a witnessed arrest (WA) using the traditional outside hospital cardiac (non-trauma) arrest definition. Outcomes included the incidence of EX arrest, survival to discharge, and hospital costs. Descriptive statistics were used. Significance was set at p < 0.05. Results After exclusion, 54 patients suffered TCA with a mean age of 45.9 (±19.8) years. Eighty-three percent of patients were male. The average cost per TCA was ~$16,000. Of the 54 TCAs, 26 (48%) were WA, with one (1.85%) survivor (no non-WA TCA patients survived). Twenty-two (41%) patients died from EX-arrest; 59% penetrating vs. 28% blunt (p = 0.03). The one EX-arrest survivor was a 19-year-old gunshot wound to the leg whose arrest was witnessed, with a short downtime, and the cause of arrest (bleeding leg wound) was quickly reversible. Conclusion We classified 41% of TCAs to have died from EX-arrest with only a 1.85% survival rate. This study calls for a TCA pre-hospital registry with accurate and consistent data definitions and collection. The registry should capture the cause of arrest for future research, management decision-making, and prognostication.
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Affiliation(s)
- Eduardo Serpa
- Surgery, Central Michigan University College of Medicine, Saginaw, USA
| | - Steve O Zimmerman
- Acute Care Surgery, University of Arizona College of Medicine-Tucson, Tucson, USA
| | | | - Narong Kulvatunyou
- Acute Care Surgery, University of Arizona College of Medicine-Tucson, Tucson, USA
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26
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van Wessem KJP, Leenen LPH, Houwert RM, Benders KEM, Simmermacher RKJ, van Baal MCPM, de Bruin IGJM, de Jong MB, Nijs SJB, Hietbrink F. Outcome of severely injured patients in a unique trauma system with 24/7 double trauma surgeon on-call service. Scand J Trauma Resusc Emerg Med 2023; 31:60. [PMID: 37880795 PMCID: PMC10598943 DOI: 10.1186/s13049-023-01122-9] [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: 06/06/2023] [Accepted: 09/22/2023] [Indexed: 10/27/2023] Open
Abstract
BACKGROUND The presence of in-house attending trauma surgeons has improved efficiency of processes in the treatment of polytrauma patients. However, literature remains equivocal regarding the influence of the presence of in-house attendings on mortality. In our hospital there is a double trauma surgeon on-call system. In this system an in-house trauma surgeon is 24/7 backed up by a second trauma surgeon to assist with urgent surgery or multiple casualties. The aim of this study was to evaluate outcome in severely injured patients in this unique trauma system. METHODS From 2014 to 2021, a prospective population-based cohort consisting of consecutive polytrauma patients aged ≥ 15 years requiring both urgent surgery (≤ 24h) and admission to Intensive Care Unit (ICU) was investigated. Demographics, treatment, outcome parameters and pre- and in-hospital transfer times were analyzed. RESULTS Three hundred thirteen patients with a median age of 44 years (71% male), and median Injury Severity Score (ISS) of 33 were included. Mortality rate was 19% (68% due to traumatic brain injury). All patients stayed ≤ 32 min in ED before transport to either CT or OR. Fifty-one percent of patients who needed damage control surgery (DCS) had a more deranged physiology, needed more blood products, were more quickly in OR with shorter time in OR, than patients with early definitive care (EDC). There was no difference in mortality rate between DCS and EDC patients. Fifty-six percent of patients had surgery during off-hours. There was no difference in outcome between patients who had surgery during daytime and during off-hours. Death could possibly have been prevented in 1 exsanguinating patient (1.7%). CONCLUSION In this cohort of severely injured patients in need of urgent surgery and ICU support it was demonstrated that surgical decision making was swift and accurate with low preventable death rates. 24/7 Physical presence of a dedicated trauma team has likely contributed to these good outcomes.
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Affiliation(s)
- Karlijn J P van Wessem
- Department of Trauma Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands.
| | - Luke P H Leenen
- Department of Trauma Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - R Marijn Houwert
- Department of Trauma Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Kim E M Benders
- Department of Trauma Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Roger K J Simmermacher
- Department of Trauma Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Mark C P M van Baal
- Department of Trauma Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Ivar G J M de Bruin
- Department of Trauma Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Mirjam B de Jong
- Department of Trauma Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Stefaan J B Nijs
- Department of Trauma Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
| | - Falco Hietbrink
- Department of Trauma Surgery, University Medical Center Utrecht, Heidelberglaan 100, 3584 CX, Utrecht, The Netherlands
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Park S, Wang IJ, Yeom SR, Park SW, Cho SJ, Yang WT, Tae W, Huh U, Song C, Kim Y, Park JH, Cho Y. Usefulness of the BIG Score in Predicting Massive Transfusion and In-Hospital Death in Adult Trauma Patients. Emerg Med Int 2023; 2023:5162050. [PMID: 37881258 PMCID: PMC10597729 DOI: 10.1155/2023/5162050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/14/2023] [Accepted: 09/19/2023] [Indexed: 10/27/2023] Open
Abstract
The base deficit (B), international normalized ratio (I), and Glasgow coma scale (GCS) (BIG) score is useful in predicting mortality in pediatric trauma patients; however, studies on the use of BIG score in adult patients with trauma are sparse. In addition, studies on the correlation between the BIG score and massive transfusion (MT) have not yet been conducted. This study aimed to evaluate the predictive value of BIG score for mortality and the need for MT in adult trauma patients. This retrospective study used data collected between 2016 and 2020 at our hospital's trauma center and registry. The predictive value of BIG score was compared with that of the Injury Severity Score (ISS) and Revised Trauma Score (RTS). Logistic regression analysis was carried out to assess whether BIG score was an independent risk factor. Receiver operating characteristic (ROC) curve analysis was performed, and predictive values were evaluated by measuring the area under the ROC curve (AUROC). In total, 5,605 patients were included in this study. In logistic regression analysis, BIG score was independently associated with in-hospital mortality (odds ratio (OR): 1.1859; 95% confidence interval (CI): 1.1636-1.2086) and MT (OR: 1.0802; 95% CI: 1.0609-1.0999). The AUROCs of BIG score for in-hospital mortality and MT were 0.852 (0.842-0.861) and 0.848 (0.838-0.857), respectively. Contrastingly, the AUROCs of ISS and RTS for in-hospital mortality were 0.795 (0.784-0.805) and 0.859 (0.850-0.868), respectively. Moreover, AUROCs of ISS and RTS for MT were 0.812 (0.802-0.822) and 0.838 (0.828-0.848), respectively. The predictive value of BIG score for mortality and MT was significantly higher than that of the ISS. The BIG score also showed a better AUROC for predicting in-hospital mortality compared with RTS. In conclusion, the BIG score is a useful indicator for predicting mortality and the need for MT in adult trauma patients.
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Affiliation(s)
- Sejun Park
- Department of Emergency Medicine, School of Medicine, Pusan National University and Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Il Jae Wang
- Department of Emergency Medicine, School of Medicine, Pusan National University and Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Seok-Ran Yeom
- Department of Emergency Medicine, School of Medicine, Pusan National University and Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Sung-Wook Park
- Department of Emergency Medicine, School of Medicine, Pusan National University and Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Suck Ju Cho
- Department of Emergency Medicine, School of Medicine, Pusan National University and Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Wook Tae Yang
- Department of Emergency Medicine, School of Medicine, Pusan National University and Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Wonwoong Tae
- Department of Emergency Medicine, School of Medicine, Pusan National University and Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Up Huh
- Department of Thoracic and Cardiovascular Surgery, Pusan National University School of Medicine and Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Chanhee Song
- Medical Research Institute, Pusan National University, Busan 49241, Republic of Korea
| | - Yeaeun Kim
- Department of Health Care Management, Catholic University of Pusan, Busan 46252, Republic of Korea
| | - Jong-Hwan Park
- Health Convergence Medicine Laboratory, Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
| | - Youngmo Cho
- Department of Emergency Medicine, School of Medicine, Pusan National University and Biomedical Research Institute, Pusan National University Hospital, Busan 49241, Republic of Korea
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Nguyen J, Archer-Arroyo K, Gross JA, Steenburg SD, Sliker CW, Meyer CH, Nummela MT, Pieracci FM, Kaye AJ. Improved chest wall trauma taxonomy: an interdisciplinary CWIS and ASER collaboration. Emerg Radiol 2023; 30:637-645. [PMID: 37700219 DOI: 10.1007/s10140-023-02171-4] [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: 07/04/2023] [Accepted: 08/30/2023] [Indexed: 09/14/2023]
Abstract
PURPOSE Chest wall injury taxonomy and nomenclature are important components of chest wall injury classification and can be helpful in communicating between providers for treatment planning. Despite the common nature of these injuries, there remains a lack of consensus regarding injury description. The Chest Wall Injury Society (CWIS) developed a taxonomy among surgeons in the field; however, it lacked consensus and clarity in critical areas and collaboration with multidisciplinary partners. We believe an interdisciplinary collaboration between CWIS and American Society of Emergency Radiology (ASER) will improve existing chest wall injury nomenclature and help further research on this topic. METHODS A collaboration between CWIS and ASER gathered feedback on the consensus recommendations. The workgroup held a series of meetings reviewing each consensus statement, refining the terminology, and contributing additional clarifications from a multidisciplinary lens. RESULTS After identifying incomplete definitions in the CWIS survey, the workgroup expanded on and clarified the language proposed by the survey. More precise definitions related to rib and costal cartilage fracture quality and location were developed. Proposed changes include more accurate characterization of rib fracture displacement and consistent description of costal cartilage fractures. CONCLUSIONS The 2019 consensus survey from CWIS provides a framework to discuss chest wall injuries, but several concepts remained unclear. Creating a universally accepted taxonomy and nomenclature, utilizing the CWIS survey and this article as a scaffolding, may help providers communicate the severity of chest wall injury accurately, allow for better operative planning, and provide a common language for researchers in the future.
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Affiliation(s)
- Jonathan Nguyen
- Department of Surgery, Morehouse School of Medicine, Atlanta, GA, USA.
| | | | - Joel A Gross
- Department of Radiology, University of Washington, Seattle, WA, USA
| | - Scott D Steenburg
- Department of Radiology and Imaging Sciences, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Clint W Sliker
- Department of Radiology and Nuclear Medicine, University of Maryland School of Medicine, Baltimore, MD, USA
| | - Courtney H Meyer
- Department of Surgery, Emory University School of Medicine, Atlanta, GA, USA
| | - Mari T Nummela
- Department of Radiology, Helsinki University Hospital, Helsinki, Finland
| | - Fredric M Pieracci
- Department of Surgery, University of Colorado School of Medicine, Denver, CO, USA
| | - Adam J Kaye
- Department of Surgery, Overland Park Regional Medical Center, Overland Park, KS, USA
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Cohen MJ, Erickson CB, Lacroix IS, Debot M, Dzieciatkowska M, Schaid TR, Hallas MW, Thielen ON, Cralley AL, Banerjee A, Moore EE, Silliman CC, D'Alessandro A, Hansen KC. Trans-Omics analysis of post injury thrombo-inflammation identifies endotypes and trajectories in trauma patients. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.08.16.553446. [PMID: 37645811 PMCID: PMC10462097 DOI: 10.1101/2023.08.16.553446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/31/2023]
Abstract
Understanding and managing the complexity of trauma-induced thrombo-inflammation necessitates an innovative, data-driven approach. This study leveraged a trans-omics analysis of longitudinal samples from trauma patients to illuminate molecular endotypes and trajectories that underpin patient outcomes, transcending traditional demographic and physiological characterizations. We hypothesize that trans-omics profiling reveals underlying clinical differences in severely injured patients that may present with similar clinical characteristics but ultimately have very different responses to treatment and clinical outcomes. Here we used proteomics and metabolomics to profile 759 of longitudinal plasma samples from 118 patients at 11 time points and 97 control subjects. Results were used to define distinct patient states through data reduction techniques. The patient groups were stratified based on their shock severity and injury severity score, revealing a spectrum of responses to trauma and treatment that are fundamentally tied to their unique underlying biology. Ensemble models were then employed, demonstrating the predictive power of these molecular signatures with area under the receiver operating curves of 80 to 94% for key outcomes such as INR, ICU-free days, ventilator-free days, acute lung injury, massive transfusion, and death. The molecularly defined endotypes and trajectories provide an unprecedented lens to understand and potentially guide trauma patient management, opening a path towards precision medicine. This strategy presents a transformative framework that aligns with our understanding that trauma patients, despite similar clinical presentations, might harbor vastly different biological responses and outcomes.
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Livingston CE, Levy DT, Saroukhani S, Fox EE, Wade CE, Holcomb JB, Gumbert SD, Galvagno SM, Kaslow OY, Pittet JF, Pivalizza EP. Volatile anesthetic and outcome in acute trauma care: planned secondary analysis of the PROPPR study. Proc AMIA Symp 2023; 36:680-685. [PMID: 37829226 PMCID: PMC10566423 DOI: 10.1080/08998280.2023.2243204] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 07/25/2023] [Indexed: 10/14/2023] Open
Abstract
Background This retrospective analysis of prospectively collected data from the PROPPR study describes volatile anesthetic use in severely injured trauma patients undergoing anesthesia. Methods After exclusions, 402 subjects were reviewed of the original 680, and 292 had complete data available for analysis. Anesthesia was not protocolized, so analysis was of contemporary practice. Results The small group who received no volatile anesthetic (n = 25) had greater injury burden (Glasgow Coma Scale P = 0.05, Injury Severity Score P = 0.001, Revised Trauma Score P = 0.03), higher 6- and 24-hour mortality (P < 0.001), and higher incidence of systemic inflammatory response syndrome (P = 0.003) and ventilator-associated pneumonia (P = 0.02) than those receiving any volatile (n = 267). There were no differences in mortality between volatile agents at 6 hours (P = 0.51) or 24 hours (P = 0.35). The desflurane group was less severely injured than the isoflurane group. Mean minimum alveolar concentration was < 0.6 and lowest in the isoflurane group compared to the sevoflurane and desflurane groups (both P < 0.01). The incidence of systemic inflammatory response syndrome was lower in the desflurane group than in the isoflurane group (P = 0.007). Conclusion In this acutely injured trauma population, choice of volatile anesthetic did not appear to influence short-term mortality and morbidity. Subjects who received no volatile were more severely injured with greater mortality, representing hemodynamic compromise where volatile agent was limited until stable. As anesthetic was not protocolized, these findings that choice of specific volatile was not associated with short-term survival require prospective, randomized evaluation.
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Affiliation(s)
- Colleen E. Livingston
- Department of Anesthesiology, McGovern Medical School at UTHealth, Houston, Texas, USA;
| | - Dominique T. Levy
- Department of Anesthesiology, McGovern Medical School at UTHealth, Houston, Texas, USA;
| | - Sepideh Saroukhani
- Department of Internal Medicine, Division of Clinical and Translational Sciences, McGovern Medical School at UTHealth, and Biostatistics/Epidemiology/Research Design Component, Center for Clinical and Translational Sciences, UTHealth, Houston, Texas, USA;
| | - Erin E. Fox
- Department of Surgery, Center for Translational Injury Research, McGovern Medical School at UTHealth, Houston, Texas, USA;
| | - Charles E. Wade
- Department of Surgery, Center for Translational Injury Research, McGovern Medical School at UTHealth, Houston, Texas, USA;
| | - John B. Holcomb
- Department of Surgery, University of Alabama at Birmingham, Birmingham, Alabama, USA;
| | - Sam D. Gumbert
- Department of Anesthesiology, Cleveland Clinic, Cleveland, Ohio, USA;
| | - Samuel M. Galvagno
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, Maryland, USA;
| | - Olga Y. Kaslow
- Department of Anesthesiology, Medical College of Wisconsin, Milwaukee, Wisconsin, USA;
| | - Jean-Francois Pittet
- Department of Anesthesiology and Perioperative Medicine, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Evan P. Pivalizza
- Department of Anesthesiology, McGovern Medical School at UTHealth, Houston, Texas, USA;
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Jakob DA, Müller M, Jud S, Albrecht R, Hautz W, Pietsch U. The forgotten cohort-lessons learned from prehospital trauma death: a retrospective cohort study. Scand J Trauma Resusc Emerg Med 2023; 31:37. [PMID: 37550763 PMCID: PMC10405424 DOI: 10.1186/s13049-023-01107-8] [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: 06/08/2023] [Accepted: 07/31/2023] [Indexed: 08/09/2023] Open
Abstract
BACKGROUND Trauma related deaths remain a relevant public health problem, in particular in the younger male population. A significant number of these deaths occur prehospitally without transfer to a hospital. These patients, sometimes termed "the forgotten cohort", are usually not included in clinical registries, resulting in a lack of information about prehospitally trauma deaths. The aim of the present study was to compare patients who died prehospital with those who sustained life-threatening injuries in order to analyze and potentially improve prehospital strategies. METHODS This cohort study included all primary operations carried out by Switzerland's largest helicopter emergency medical service (HEMS) between January 1, 2011, and December 31, 2021. We included all adult trauma patients with life-threatening or fatal conditions. The outcome of this study is the vital status of the patient at the end of mission, i.e. fatal or life-threatening. Injury, rescue characteristics, and interventions of the forgotten trauma cohort, defined as patients with a fatal injury (NACA score of VII), were compared with life-threatening injuries (NACA score V and VI). RESULTS Of 110,331 HEMS missions, 5534 primary operations were finally analyzed, including 5191 (93.8%) life-threatening and 343 (6.2%) fatal injuries. More than two-thirds of patients (n = 3772, 68.2%) had a traumatic brain injury without a significant difference between the two groups (p > 0.05). Thoracic trauma (44.6% vs. 28.7%, p < 0.001) and abdominal trauma (22.2% vs. 16.1%, p = 0.004) were more frequent in fatal missions whereas pelvic trauma was similar between the two groups (13.4% vs. 12.9%, p = 0.788). Pneumothorax decompression rate (17.2% vs. 3.7%, p < 0.001) was higher in the forgotten cohort group and measures for bleeding control (15.2% vs. 42.7%, p < 0.001) and pelvic belt application (2.9% vs. 13.1% p < 0.001) were more common in the life-threating injury group. CONCLUSION Chest decompression rates and measures for early hemorrhage control are areas for potential improvement in prehospital care.
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Affiliation(s)
- Dominik A Jakob
- Department of Emergency Medicine, Inselspital, Bern University Hospital, University of Bern, 3010, Bern, Switzerland.
| | - Martin Müller
- Department of Emergency Medicine, Inselspital, Bern University Hospital, University of Bern, 3010, Bern, Switzerland
| | - Sebastian Jud
- Department of Anesthesiology and Intensive Care Medicine, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
| | - Roland Albrecht
- Department of Emergency Medicine, Inselspital, Bern University Hospital, University of Bern, 3010, Bern, Switzerland
- Department of Anesthesiology and Intensive Care Medicine, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
- Swiss Air-Ambulance, Rega (Rettungsflugwacht/Guarde Aérienne), Zurich, Switzerland
| | - Wolf Hautz
- Department of Emergency Medicine, Inselspital, Bern University Hospital, University of Bern, 3010, Bern, Switzerland
| | - Urs Pietsch
- Department of Emergency Medicine, Inselspital, Bern University Hospital, University of Bern, 3010, Bern, Switzerland
- Department of Anesthesiology and Intensive Care Medicine, Cantonal Hospital St. Gallen, St. Gallen, Switzerland
- Swiss Air-Ambulance, Rega (Rettungsflugwacht/Guarde Aérienne), Zurich, Switzerland
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Levin JH, Pecoraro A, Ochs V, Meagher A, Steenburg SD, Hammer PM. Characterization of fatal blunt injuries using postmortem computed tomography. J Trauma Acute Care Surg 2023; 95:186-190. [PMID: 37068024 DOI: 10.1097/ta.0000000000004012] [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: 04/18/2023]
Abstract
BACKGROUND Rapid triage of blunt agonal trauma patients is necessary to maximize survival, but autopsy is uncommon, slow, and rarely informs resuscitation guidelines. Postmortem computed tomography (PMCT) can serve as an adjunct to autopsy in guiding blunt agonal trauma resuscitation. METHODS Retrospective cohort review of trauma decedents who died at or within 1 hour of arrival following blunt trauma and underwent noncontrasted PMCT. Primary outcome was the prevalence of mortal injury defined as potential exsanguination (e.g., cavitary injury, long bone and pelvic fractures), traumatic brain injury, and cervical spine injury. Secondary outcomes were potentially mortal injuries (e.g., pneumothorax) and misplacement airway devices. Patients were grouped by whether arrest occurred prehospital/in-hospital. Univariate analysis was used to identify differences in injury patterns including multiple-trauma injury patterns. RESULTS Over a 9-year period, 80 decedents were included. Average age was 48.9 ± 21.7 years, 68% male, and an average ISS of 42.3 ± 16.3. The most common mechanism was motor vehicle accidents (67.5%) followed by pedestrian struck (15%). Of all decedents, 62 (77.5%) had traumatic arrest prehospital while 18 (22.5%) arrived with pulse. Between groups there were no significant differences in demographics including ISS. The most common mortal injuries were traumatic brain injury (40%), long bone fractures (25%), moderate/large hemoperitoneum (22.5%), and cervical spine injury (25%). Secondary outcomes included moderate/large pneumothorax (18.8%) and esophageal intubation rate of 5%. There were no significant differences in mortal or potentially mortal injuries, and no differences in multiple-trauma injury patterns. CONCLUSION Fatal blunt injury patterns do not vary between prehospital and in-hospital arrest decedents. High rates of pneumothorax and endotracheal tube misplacement should prompt mandatory chest decompression and confirmation of tube placement in all blunt arrest patients. LEVEL OF EVIDENCE Prognostic and Epidemiological; Level IV.
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Affiliation(s)
- Jeremy H Levin
- From the Division of Acute Care Surgery, Department of Surgery (J.H.L., A.M., P.M.H.), Department of Surgery (A.P.), Indiana University School of Medicine, Indiana University School of Medicine (V.O.), and Division of Emergency Radiology, Department of Radiology and Imaging Sciences (S.D.S.), Indiana University School of Medicine, Indianapolis, Indiana
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Bhaumik D, Ndumele CD, Scott JW, Wallace J. Association between Medicare eligibility at age 65 years and in-hospital treatment patterns and health outcomes for patients with trauma: regression discontinuity approach. BMJ 2023; 382:e074289. [PMID: 37433620 PMCID: PMC10334336 DOI: 10.1136/bmj-2022-074289] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 05/31/2023] [Indexed: 07/13/2023]
Abstract
OBJECTIVE To determine whether health systems in the United States modify treatment or discharge decisions for otherwise similar patients based on health insurance coverage. DESIGN Regression discontinuity approach. SETTING American College of Surgeons' National Trauma Data Bank, 2007-17. PARTICIPANTS Adults aged between 50 and 79 years with a total of 1 586 577 trauma encounters at level I and level II trauma centers in the US. INTERVENTIONS Eligibility for Medicare at age 65 years. MAIN OUTCOME MEASURES The main outcome measure was change in health insurance coverage, complications, in-hospital mortality, processes of care in the trauma bay, treatment patterns during hospital admission, and discharge locations at age 65 years. RESULTS 1 586 577 trauma encounters were included. At age 65, a discontinuous increase of 9.6 percentage points (95% confidence interval 9.1 to 10.1) was observed in the share of patients with health insurance coverage through Medicare at age 65 years. Entry to Medicare at age 65 was also associated with a decrease in length of hospital stay for each encounter, of 0.33 days (95% confidence interval -0.42 to -0.24 days), or nearly 5%), which coincided with an increase in discharges to nursing homes (1.56 percentage points, 95% confidence interval 0.94 to 2.16 percentage points) and transfers to other inpatient facilities (0.57 percentage points, 0.33 to 0.80 percentage points), and a large decrease in discharges to home (1.99 percentage points, -2.73 to -1.27 percentage points). Relatively small (or no) changes were observed in treatment patterns during the patients' hospital admission, including no changes in potentially life saving treatments (eg, blood transfusions) or mortality. CONCLUSIONS The findings suggest that differences in treatment for otherwise similar patients with trauma with different forms of insurance coverage arose during the discharge planning process, with little evidence that health systems modified treatment decisions based on patients' coverage.
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Affiliation(s)
- Deepon Bhaumik
- Department of Health Policy and Management, Yale School of Public Health, New Haven, CT, 06510, USA
| | - Chima D Ndumele
- Department of Health Policy and Management, Yale School of Public Health, New Haven, CT, 06510, USA
| | - John W Scott
- Center for Healthcare Outcomes and Policy, Department of Surgery, University of Michigan, Ann Arbor, MI, USA
| | - Jacob Wallace
- Department of Health Policy and Management, Yale School of Public Health, New Haven, CT, 06510, USA
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Hosseinpour H, Magnotti LJ, Bhogadi SK, Anand T, El-Qawaqzeh K, Ditillo M, Colosimo C, Spencer A, Nelson A, Joseph B. Time to Whole Blood Transfusion in Hemorrhaging Civilian Trauma Patients: There Is Always Room for Improvement. J Am Coll Surg 2023; 237:24-34. [PMID: 37070752 DOI: 10.1097/xcs.0000000000000715] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2023]
Abstract
BACKGROUND Whole blood (WB) is becoming the preferred product for the resuscitation of hemorrhaging trauma patients. However, there is a lack of data on the optimum timing of receiving WB. We aimed to assess the effect of time to WB transfusion on the outcomes of trauma patients. STUDY DESIGN The American College of Surgeons TQIP 2017 to 2019 database was analyzed. Adult trauma patients who received at least 1 unit of WB within the first 2 hours of admission were included. Patients were stratified by time to first unit of WB transfusion (first 30 minutes, second 30 minutes, and second hour). Primary outcomes were 24-hour and in-hospital mortality, adjusting for potential confounders. RESULTS A total of 1,952 patients were identified. Mean age and systolic blood pressure were 42 ± 18 years and 101 ± 35 mmHg, respectively. Median Injury Severity Score was 17 [10 to 26], and all groups had comparable injury severities (p = 0.27). Overall, 24-hour and in-hospital mortality rates were 14% and 19%, respectively. Transfusion of WB after 30 minutes was progressively associated with increased adjusted odds of 24-hour mortality (second 30 minutes: adjusted odds ratio [aOR] 2.07, p = 0.015; second hour: aOR 2.39, p = 0.010) and in-hospital mortality (second 30 minutes: aOR 1.79, p = 0.025; second hour: aOR 1.98, p = 0.018). On subanalysis of patients with an admission shock index >1, every 30-minute delay in WB transfusion was associated with higher odds of 24-hour (aOR 1.23, p = 0.019) and in-hospital (aOR 1.18, p = 0.033) mortality. CONCLUSIONS Every minute delay in WB transfusion is associated with a 2% increase in odds of 24-hour and in-hospital mortality among hemorrhaging trauma patients. WB should be readily available and easily accessible in the trauma bay for the early resuscitation of hemorrhaging patients.
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Affiliation(s)
- Hamidreza Hosseinpour
- From the Division of Trauma, Critical Care, Burns, and Emergency Surgery, Department of Surgery, College of Medicine, University of Arizona, Tucson, AZ
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David JS, James A, Orion M, Selves A, Bonnet M, Glasman P, Vacheron CH, Raux M. Thromboelastometry-guided haemostatic resuscitation in severely injured patients: a propensity score-matched study. Crit Care 2023; 27:141. [PMID: 37055832 PMCID: PMC10103518 DOI: 10.1186/s13054-023-04421-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Accepted: 03/30/2023] [Indexed: 04/15/2023] Open
Abstract
BACKGROUND To accelerate the diagnosis and treatment of trauma-induced coagulopathy (TIC), viscoelastic haemostatic assays (VHA) are increasingly used worldwide, although their value is still debated, with a recent randomised trial showing no improvement in outcome. The objective of this retrospective study was to compare 2 cohorts of injured patients in which TIC was managed with either a VHA-based algorithm or a conventional coagulation test (CCT)-based algorithm. METHODS Data were retrieved from 2 registries and patients were included in the study if they received at least 1 unit of red blood cell in the first 24 h after admission. A propensity score, including sex, age, blunt vs. penetrating, systolic blood pressure, GCS, ISS and head AIS, admission lactate and PTratio, tranexamic acid administration, was then constructed. Primary outcome was the proportion of subjects who were alive and free of massive transfusion (MT) at 24 h after injury. We also compared the cost for blood products and coagulation factors. RESULTS From 2012 to 2019, 7250 patients were admitted in the 2 trauma centres, and among these 624 were included in the study (CCT group: 380; VHA group: 244). After propensity score matching, 215 patients remained in each study group without any significant difference in demographics, vital signs, injury severity, or laboratory analysis. At 24 h, more patients were alive and free of MT in the VHA group (162 patients, 75%) as compared to the CCT group (112 patients, 52%; p < 0.01) and fewer patients received MT (32 patients, 15% vs. 91 patients, 42%, p < 0.01). However, no significant difference was observed for mortality at 24 h (odds ratio 0.94, 95% CI 0.59-1.51) or survival at day 28 (odds ratio 0.87, 95% CI 0.58-1.29). Overall cost of blood products and coagulation factors was dramatically reduced in the VHA group as compared to the CCT group (median [interquartile range]: 2357 euros [1108-5020] vs. 4092 euros [2510-5916], p < 0.001). CONCLUSIONS A VHA-based strategy was associated with an increase of the number of patients alive and free of MT at 24 h together with an important reduction of blood product use and associated costs. However, that did not translate into an improvement in mortality.
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Affiliation(s)
- Jean-Stéphane David
- Department of Anesthesia and Intensive Care, Groupe Hospitalier Sud, Hospices Civils de Lyon (HCL), Pierre Bénite Cedex, France.
- Research on Healthcare Performance (RESHAPE), INSERM U1290, University Claude Bernard Lyon 1, Lyon, France.
| | - Arthur James
- GRC 29, AP-HP, DMU DREAM, Department of Anaesthesia and Intensive Care, Pitié-Salpêtrière Hospital, Sorbonne University, Paris, France
| | - Maxime Orion
- Department of Anesthesia and Intensive Care, Groupe Hospitalier Sud, Hospices Civils de Lyon (HCL), Pierre Bénite Cedex, France
| | - Agathe Selves
- GRC 29, AP-HP, DMU DREAM, Department of Anaesthesia and Intensive Care, Pitié-Salpêtrière Hospital, Sorbonne University, Paris, France
| | - Mélody Bonnet
- Department of Anesthesia and Intensive Care, Groupe Hospitalier Sud, Hospices Civils de Lyon (HCL), Pierre Bénite Cedex, France
| | - Pauline Glasman
- GRC 29, AP-HP, DMU DREAM, Department of Anaesthesia and Intensive Care, Pitié-Salpêtrière Hospital, Sorbonne University, Paris, France
| | - Charles-Hervé Vacheron
- Department of Anesthesia and Intensive Care, Groupe Hospitalier Sud, Hospices Civils de Lyon (HCL), Pierre Bénite Cedex, France
- Biometrics and Evolutionary Biology Laboratory, Biostatistics-Health Team, HCL, Villeurbanne, France
- Division of Public Health, Department of Biostatistics and Bioinformatics, Lyon, France
| | - Mathieu Raux
- INSERM, UMRS1158 Neurophysiologie Respiratoire Expérimentale Et Clinique; AP-HP, Groupe Hospitalier Universitaire APHP-Sorbonne Université, Site Pitié-Salpêtrière, Département d'Anesthésie Réanimation, Sorbonne Université, Paris, France
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Lubkin DT, Van Gent JM, Cotton BA, Brill JB. Mortality and outcomes by blood group in trauma patients: A systematic review and meta-analysis. Vox Sang 2023. [PMID: 37045792 DOI: 10.1111/vox.13427] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2022] [Revised: 03/06/2023] [Accepted: 03/15/2023] [Indexed: 04/14/2023]
Abstract
BACKGROUND AND OBJECTIVES Blood group O contains lower levels of factor VIII and von Willebrand factor. Higher incidence of bleeding among group O is reported in multiple contexts. Results of studies vary regarding outcomes stratified by blood group in trauma. We systematically reviewed the literature for outcomes related to blood group in trauma patients. Meta-analysis of studies evaluating mortality related to blood group was performed. MATERIALS AND METHODS The PubMed and Embase databases were searched for studies analysing relationships between blood group and outcomes in trauma patients. Preferred Reporting Items in Systematic Reviews and Meta-Analyses (PRISMA) guidelines were followed. We synthesized outcomes data related to blood group. Meta-analysis compared mortality rates between group O and non-O patients. RESULTS Inclusion criteria were met by 13 studies. Statistically significant differences by blood group were reported in 3 of 10 (30%) studies evaluating mortality, 2 of 3 (66.7%) evaluating mortality from haemorrhage and 2 of 9 (22.2%) evaluating transfusion requirement. Meta-analysis was performed on seven studies evaluating mortality (total n = 11,835). There was significant heterogeneity among studies (I2 = 86%, p < 0.00001). No difference was found in mortality between group O and non-O patients (relative risk = 1.21, 95% confidence interval = 0.89-1.64, p = 0.23). CONCLUSION Existing literature does not consistently demonstrate a mortality difference between trauma patients with O and non-O blood groups. High variability in the methods and results among studies limits this conclusion, and further research is needed to delineate under what circumstances blood group may influence outcomes.
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Affiliation(s)
- David T Lubkin
- Department of General Surgery, The University of Texas Health Science Center at Houston, 6431 Fannin Street, Houston, Texas, USA
| | - Jan-Michael Van Gent
- Department of General Surgery, The University of Texas Health Science Center at Houston, 6431 Fannin Street, Houston, Texas, USA
| | - Bryan A Cotton
- Department of General Surgery, The University of Texas Health Science Center at Houston, 6431 Fannin Street, Houston, Texas, USA
| | - Jason B Brill
- Department of General Surgery, The University of Texas Health Science Center at Houston, 6431 Fannin Street, Houston, Texas, USA
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How to manage coagulopathies in critically ill patients. Intensive Care Med 2023; 49:273-290. [PMID: 36808215 DOI: 10.1007/s00134-023-06980-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 01/06/2023] [Indexed: 02/19/2023]
Abstract
Coagulopathy is a severe and frequent complication in critically ill patients, for which the pathogenesis and presentation may be variable depending on the underlying disease. Based on the dominant clinical phenotype, the current review differentiates between hemorrhagic coagulopathies, characterized by a hypocoagulable and hyperfibrinolysis state, and thrombotic coagulopathies with a systemic prothrombotic and antifibrinolytic phenotype. We discuss the differences in pathogenesis and treatment of the common coagulopathies.
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Butterfield M, Bodnar D, Williamson F, Parker L, Ryan G. Prevalence of secondary insults and outcomes of patients with traumatic brain injury intubated in the prehospital setting: a retrospective cohort study. Emerg Med J 2023; 40:167-174. [PMID: 36604161 PMCID: PMC9985756 DOI: 10.1136/emermed-2022-212513] [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: 04/10/2022] [Accepted: 12/21/2022] [Indexed: 01/07/2023]
Abstract
BACKGROUND Prehospital neuroprotective strategies aim to prevent secondary insults (SIs) in traumatic brain injury (TBI). This includes haemodynamic optimisation in addition to oxygenation and ventilation targets achieved through rapid sequence intubation (RSI).The primary aim was to report the incidence and prevalence of SIs (prolonged hypotension, prolonged hypoxia and hyperventilation) and outcomes of patients with TBI who were intubated in the prehospital setting. METHODS A retrospective cohort study of adult patients with TBI who underwent RSI by a metropolitan road-based service in South-East Queensland, Australia between 1 January 2017 and 31 December 2020. Patients were divided into two cohorts based on the presence or absence of any SI sustained. Prolonged SIs were defined as occurring for ≥5 min. The association between SIs and mortality was examined in multivariable logistic regression and reported with adjusted ORs (aORs) and 95% CIs. RESULTS 277 patients were included for analysis. Median 'Head' Abbreviated Injury Scale and Injury Severity Score were 4 (IQR: 3-5) and 26 (IQR: 17-34), respectively. Most episodes of prolonged hypotension and prolonged hypoxia were detected with the first patient contact on scene. Overall, 28-day mortality was 26%. Patients who sustained any SI had a higher mortality than those sustaining no SI (34.9% vs 14.7%, p<0.001). Prolonged hypoxia was an independent predictor of mortality (aOR 4.86 (95% CI 1.65 to 15.61)) but not prolonged hypotension (aOR 1.45 (95% CI 0.5 to 4.25)) or an end-tidal carbon dioxide <30 mm Hg on hospital arrival (aOR 1.28 (95% CI 0.5 to 3.21)). CONCLUSION SIs were common in the early phase of prehospital care. The association of prolonged hypoxia and mortality in TBI is potentially more significant than previously recognised, and if corrected early, may improve outcomes. There may be a greater role for bystander intervention in prevention of early hypoxic insult in TBI.
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Affiliation(s)
- Michael Butterfield
- Emergency Department, Logan Hospital, Meadowbrook, Queensland, Australia .,LifeFlight Retrieval Medicine, Brisbane, Queensland, Australia
| | - Daniel Bodnar
- Emergency and Trauma Centre, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia.,Queensland Ambulance Service, Brisbane, Queensland, Australia
| | - Frances Williamson
- Emergency and Trauma Centre, Royal Brisbane and Women's Hospital, Brisbane, Queensland, Australia.,Queensland Ambulance Service, Brisbane, Queensland, Australia.,The University of Queensland, Brisbane, Queensland, Australia
| | - Lachlan Parker
- Queensland Ambulance Service, Brisbane, Queensland, Australia
| | - Glenn Ryan
- Queensland Ambulance Service, Brisbane, Queensland, Australia.,Emergency Department, Princess Alexandra Hospital, Brisbane, Queensland, Australia
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Christie SA, Zheng D, Dissak-Delon F, Kinge T, Njock R, Nkusu D, Tsiagadigui JG, Mbianyor M, Dicker R, Chichom-Mefire A, Juillard C. How trauma patients die in low resource settings: Identifying early targets for trauma quality improvement. J Trauma Acute Care Surg 2023; 94:288-294. [PMID: 36163642 PMCID: PMC9877108 DOI: 10.1097/ta.0000000000003768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
BACKGROUND Injury deaths in sub-Saharan Africa are among the world's highest, but hospital data rarely have sufficient granularity to direct quality improvement. We analyzed clinical care patterns among trauma patients who died in a prospective, multicenter sub-Saharan cohort to pinpoint trauma quality improvement intervention targets. METHODS In-hospital trauma deaths in four Cameroonian hospitals between 2017 and 2019 were included. Trauma registry data on patient demographics, injury characteristics, and clinical care were analyzed to identify opportunities for systems improvements. RESULTS Among 9,423 trauma patients, there were 236 deaths. Overall, 83% of patients who died in the emergency department were living on arrival (LOA). Among 183 LOA patients, 30% presented with normal vital signs, but 11% had no vital signs taken, often because of lack of equipment (43%). Of LOA patients presenting with a Glasgow Coma Scale score of <9 (56%), few received neurosurgery consults (15%), C-collar placement (9%), or intubation (1%). The most common reason for lack of c-collar placement was failure to recognize that it was indicated (66%). Tracheal deviation, unequal breath sounds, or paradoxical chest movement were present in 63% of LOA patients, but only two patients had chest tubes placed. Hypotension or active bleeding was present in 80% of LOA patients; while crystalloid bolus was given to 96% of these patients, few received transfusion (8%), tourniquet placement for extremity injury (6%), or an operation (4%). CONCLUSION Primary survey interventions are underperformed in trauma nonsurvivors in Cameroon. Protocolizing early treatment for head injury, hemorrhagic shock, and chest wall trauma could reduce trauma mortality. LEVEL OF EVIDENCE Prognostic and Epidemiologic; Level III.
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Affiliation(s)
| | - Dennis Zheng
- Program for the Advancement of Surgical Equity, Department of Surgery, University of California Los Angeles, California, USA
| | - Fanny Dissak-Delon
- Littoral Regional Delegation, Ministry of Public Health, Douala, Cameroon
| | - Thompson Kinge
- Hospital Administration, The Limbe Regional Hospital; Limbe, Cameroon
| | - Richard Njock
- Hospital Administration, The Laquintinie Hospital of Douala; Douala, Cameroon
| | - Daniel Nkusu
- Hospital Administration, The Catholic Hospital of Pouma; Pouma Cameroon
| | | | - Mbiarikai Mbianyor
- Littoral Regional Delegation, Ministry of Public Health, Douala, Cameroon
| | - Rochelle Dicker
- Littoral Regional Delegation, Ministry of Public Health, Douala, Cameroon
| | | | - Catherine Juillard
- Littoral Regional Delegation, Ministry of Public Health, Douala, Cameroon
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40
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Torres CM, Kent A, Scantling D, Joseph B, Haut ER, Sakran JV. Association of Whole Blood With Survival Among Patients Presenting With Severe Hemorrhage in US and Canadian Adult Civilian Trauma Centers. JAMA Surg 2023; 158:532-540. [PMID: 36652255 PMCID: PMC9857728 DOI: 10.1001/jamasurg.2022.6978] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Importance Whole-blood (WB) resuscitation has gained renewed interest among civilian trauma centers. However, there remains insufficient evidence that WB as an adjunct to component therapy-based massive transfusion protocol (WB-MTP) is associated with a survival advantage over MTP alone in adult civilian trauma patients presenting with severe hemorrhage. Objective To assess whether WB-MTP compared with MTP alone is associated with improved survival at 24 hours and 30 days among adult trauma patients presenting with severe hemorrhage. Design, Setting, and Participants This retrospective cohort study using the American College of Surgeons Trauma Quality Improvement Program databank from January 1, 2017, and December 31, 2018, included adult trauma patients with a systolic blood pressure less than 90 mm Hg and a shock index greater than 1 who received at least 4 units of red blood cells within the first hour of emergency department (ED) arrival at level I and level II US and Canadian adult civilian trauma centers. Patients with burns, death within 1 hour of ED arrival, and interfacility transfers were excluded. Data were analyzed from February 2022 to September 2022. Exposures Resuscitation with WB-MTP compared with MTP alone within 24 hours of ED presentation. Main Outcomes and Measures Primary outcomes were survival at 24 hours and 30 days. Secondary outcomes selected a priori included major complications, hospital length of stay, and intensive care unit length of stay. Results A total of 2785 patients met inclusion criteria: 432 (15.5%) in the WB-MTP group (335 male [78%]; median age, 38 years [IQR, 27-57 years]) and 2353 (84.5%) in the MTP-only group (1822 male [77%]; median age, 38 years [IQR, 27-56 years]). Both groups included severely injured patients (median injury severity score, 28 [IQR, 17-34]; median difference, 1.29 [95% CI, -0.05 to 2.64]). A survival curve demonstrated separation within 5 hours of ED presentation. WB-MTP was associated with improved survival at 24 hours, demonstrating a 37% lower risk of mortality (hazard ratio, 0.63; 95% CI, 0.41-0.96; P = .03). Similarly, the survival benefit associated with WB-MTP remained consistent at 30 days (HR, 0.53; 95% CI, 0.31-0.93; P = .02). Conclusions and Relevance In this cohort study, receipt of WB-MTP was associated with improved survival in trauma patients presenting with severe hemorrhage, with a survival benefit found early after transfusion. The findings from this study are clinically important as this is an essential first step in prioritizing the selection of WB-MTP for trauma patients presenting with severe hemorrhage.
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Affiliation(s)
- Crisanto M. Torres
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland,Division of Trauma and Acute Care Surgery, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts
| | - Alistair Kent
- Division of Acute Care Surgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Dane Scantling
- Division of Trauma and Acute Care Surgery, Boston University School of Medicine, Boston Medical Center, Boston, Massachusetts
| | - Bellal Joseph
- College of Medicine, Division of Trauma, Critical Care, Emergency Surgery, and Burns, Department of Surgery, University of Arizona, Tucson
| | - Elliott R. Haut
- Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland,Division of Acute Care Surgery, Johns Hopkins Hospital, Baltimore, Maryland
| | - Joseph V. Sakran
- Division of Acute Care Surgery, Johns Hopkins Hospital, Baltimore, Maryland,Johns Hopkins School of Medicine, Baltimore, Maryland,Johns Hopkins School of Nursing, Baltimore, Maryland,Satcher Health Leadership Institute, Morehouse School of Medicine, Atlanta, Georgia
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REBOA: Expanding Applications From Traumatic Hemorrhage to Obstetrics and Cardiopulmonary Resuscitation, From the AJR Special Series on Emergency Radiology. AJR Am J Roentgenol 2023; 220:16-22. [PMID: 35920708 DOI: 10.2214/ajr.22.27932] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Resuscitative endovascular balloon occlusion of the aorta (REBOA) has emerged over the past decade as a technique to control life-threatening hemorrhage and treat hemorrhagic shock, being increasingly used to treat noncompressible traumatic torso hemorrhage. Reports during this time also support the use of a REBOA device for an expanding range of indications including nontraumatic abdominal hemorrhage, postpartum hemorrhage, placenta accreta spectrum (PAS) disorder, and cardiopulmonary resuscitation (CPR). The strongest available evidence supports REBOA as a lifesaving adjunct to definitive surgical management in trauma and as a method to help avoid hysterectomy in select patients with postpartum hemorrhage or PAS disorder. In comparison with initial descriptions of complete REBOA inflation, techniques for partial REBOA inflation have been introduced to achieve hemodynamic stability while minimizing adverse events relating to reperfusion injuries. Fluoroscopy-free REBOA has been described in various settings, including trauma, obstetrics, and out-of-hospital cardiac arrest. As the use of REBOA expands outside the trauma setting and into nontraumatic abdominal hemorrhage, obstetrics, and CPR, it is imperative for radiologists to become familiar with this technology, its proper placement, and its potential adverse sequelae.
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Zhu X, Cheng J, Yu J, Liu R, Ma H, Zhao Y. Nicotinamide mononucleotides alleviated neurological impairment via anti-neuroinflammation in traumatic brain injury. Int J Med Sci 2023; 20:307-317. [PMID: 36860678 PMCID: PMC9969499 DOI: 10.7150/ijms.80942] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 01/20/2023] [Indexed: 02/04/2023] Open
Abstract
Traumatic brain injury (TBI) is one of the main factors of death and disability in adults with a high incidence worldwide. Nervous system injury, as the most common and serious secondary injury after TBI, determines the prognosis of TBI patients. NAD+ has been confirmed to have neuroprotective effects in neurodegenerative diseases, but its role in TBI remains to be explored. In our study, nicotinamide mononucleotides (NMN), a direct precursor of NAD+, was used to explore the specific role of NAD+ in rats with TBI. Our results showed that NMN administration markedly attenuated histological damages, neuronal death, brain edema, and improved neurological and cognitive deficits in TBI rats. Moreover, NMN treatment significantly suppressed activated astrocytes and microglia after TBI, and further inhibited the expressions of inflammatory factor. Besides, RNA sequencing was used to access the differently expressed genes (DEGs) and their enriched (Kyoto Encyclopedia of Genes and Genomes) KEGG pathways between Sham, TBI, and TBI+NMN. We found that 1589 genes were significantly changed in TBI and 792 genes were reversed by NMN administration. For example, inflammatory factor CCL2, toll like receptors TLR2 and TLR4, proinflammatory cytokines IL-6, IL-11 and IL1rn which were activated after TBI and were decreased by NMN treatment. GO analysis also demonstrated that inflammatory response was the most significant biological process reversed by NMN treatment. Moreover, the reversed DEGs were typically enriched in NF-Kappa B signaling pathway, Jak-STAT signaling pathway and TNF signaling pathway. Taken together, our data showed that NMN alleviated neurological impairment via anti-neuroinflammation in traumatic brain injury and the mechanisms may involve TLR2/4-NF-κB signaling.
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Affiliation(s)
- Xiaolu Zhu
- Emergency Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jin Cheng
- Emergency Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Jiangtao Yu
- Emergency Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Ruining Liu
- Emergency Center, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Haoli Ma
- Department of Biological Repositories, Zhongnan Hospital of Wuhan University, Wuhan, China
| | - Yan Zhao
- Emergency Center, Zhongnan Hospital of Wuhan University, Wuhan, China.,Hubei Clinical Research Center for Emergency and Resuscitation, Zhongnan Hospital of Wuhan University, Wuhan, China
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Shock-Driven Endotheliopathy in Trauma Patients Is Associated with Leucocyte Derived Extracellular Vesicles. Int J Mol Sci 2022; 23:ijms232415990. [PMID: 36555630 PMCID: PMC9782606 DOI: 10.3390/ijms232415990] [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: 11/04/2022] [Revised: 11/29/2022] [Accepted: 12/08/2022] [Indexed: 12/23/2022] Open
Abstract
Endotheliopathy following trauma is associated with poor outcome, but the underlying mechanisms are unknown. This study hypothesized that an increased extracellular vesicle (EV) concentration is associated with endotheliopathy after trauma and that red blood cell (RBC) transfusion could further enhance endotheliopathy. In this post hoc sub study of a multicentre observational trial, 75 trauma patients were stratified into three groups based on injury severity score or shock. In patient plasma obtained at hospital admission and after transfusion of four RBC transfusions, markers for endotheliopathy were measured and EVs were labelled with anti CD41 (platelet EVs), anti CD235a (red blood cell EVs), anti CD45 (leucocyte EVs), anti CD144 (endothelial EVs) or anti CD62e (activated endothelial EVs) and EV concentrations were measured with flow cytometry. Statistical analysis was performed by a Kruskall Wallis test with Bonferroni correction or Wilcoxon rank test for paired data. In patients with shock, syndecan-1 and von Willebrand Factor (vWF) were increased compared to patients without shock. Additionally, patients with shock had increased red blood cell EV and leucocyte EV concentrations compared to patients without shock. Endotheliopathy markers correlated with leucocyte EVs (ρ = 0.263, p = 0.023), but not with EVs derived from other cells. Injury severity score had no relation with EV release. RBC transfusion increased circulating red blood cell EVs but did not impact endotheliopathy. In conclusion, shock is (weakly) associated with EVs from leucocytes, suggesting an immune driven pathway mediated (at least in part) by shock.
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Bivens MJ, Fritz CL, Burke RC, Schoenfeld DW, Pope JV. State-by-state estimates of avoidable trauma mortality with early and liberal versus delayed or restricted administration of tranexamic acid. BMC Emerg Med 2022; 22:191. [PMID: 36463125 PMCID: PMC9719138 DOI: 10.1186/s12873-022-00741-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Accepted: 11/03/2022] [Indexed: 12/04/2022] Open
Abstract
OBJECTIVE Early administration of tranexamic acid (TXA) has been shown to save lives in trauma patients, and some U.S. emergency medical systems (EMS) have begun providing this therapy prehospital. Treatment protocols vary from state to state: Some offer TXA broadly to major trauma patients, others reserve it for patients meeting vital sign criteria, and still others defer TXA entirely pending a hospital evaluation. The purpose of this study is to compare the avoidable mortality achievable under each of these strategies, and to report on the various approaches used by EMS. METHODS We used the National Center for Health Statistics Underlying Cause of Death data to identify a TXA-naïve population of trauma patients who died from 2007 to 2012 due to hemorrhage. We estimated the proportion of deaths where the patient was hypotensive or tachycardic using the National Trauma Data Bank. We used avoidable mortality risk ratios from the landmark CRASH 2 study to calculate lives saved had TXA been given within one hour of injury based on a clinician's gestalt the patient was at risk for significant hemorrhage; had it been reserved only for hypotensive or tachycardic patients; or had it been given between hours one to three of injury, considered here as a surrogate for deferring the question to the receiving hospital. RESULTS Had TXA been given within 1 hour of injury, an average of 3409 deaths per year could have been averted nationally. Had TXA been given between one and three hours after injury, 2236 deaths per year could have been averted. Had TXA only been given to either tachycardic or hypotensive trauma patients, 1371 deaths per year could have been averted. Had TXA only been given to hypotensive trauma patients, 616 deaths per year could have been averted. Similar trends are seen at the individual state level. A review of EMS practices found 15 statewide protocols that allow EMS providers to administer TXA for trauma. CONCLUSION Providing early TXA to persons at risk of significant hemorrhage has the potential to prevent many deaths from trauma, yet most states do not offer it in statewide prehospital treatment protocols.
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Affiliation(s)
- Matthew J. Bivens
- grid.239395.70000 0000 9011 8547Department of Emergency Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, MA Boston, USA
| | - Christie L. Fritz
- grid.239395.70000 0000 9011 8547Department of Emergency Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, MA Boston, USA
| | - Ryan C. Burke
- grid.239395.70000 0000 9011 8547Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, MA USA
| | - David W. Schoenfeld
- grid.239395.70000 0000 9011 8547Department of Emergency Medicine, Harvard Medical School, Beth Israel Deaconess Medical Center, MA Boston, USA
| | - Jennifer V. Pope
- grid.413480.a0000 0004 0440 749XDepartment of Emergency Medicine, Geisel School of Medicine, Dartmouth-Hitchcock Medical Center, Lebanon, NH USA
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45
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Zeineddin A, Wu F, Chao W, Zhou L, Vesselinov R, Chipman A, Dong JF, Huang H, Pati S, Kozar RA. Biomarkers of endothelial cell dysfunction persist beyond resuscitation in patients with hemorrhagic shock. J Trauma Acute Care Surg 2022; 93:572-578. [PMID: 35939376 PMCID: PMC9613546 DOI: 10.1097/ta.0000000000003758] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND It has been shown that microRNA-19b (miR-19b) binds to and degrades syndecan-1 after hemorrhagic shock (HS) and contributes to endothelial dysfunction in vitro and in vivo. The objective of the current study was to assess longitudinal changes in miR-19b and syndecan-1 in HS patients. METHODS Blood samples from HS patients (blood pressure <90 mm Hg and ≥2 U blood) were collected upon admission, completion of hemostasis, and after 24 hours for miR-19b (quantitative reverse transcription PCR) and syndecan-1 (enzyme-linked immunosorbent assay) and compared with controls and minimally injured (Injury Severity Score, ≤9). Inflammatory cytokines were measured (Luminex [Thermo Fisher, Waltham, MA]). Correlations between syndecan-1, miR-19b, inflammatory markers, and patient outcomes were performed. Logistic regression models were developed for outcomes. RESULTS Thirty-four HS patients were studied: age, 46 (19-89) years; male, 82%; penetrating, 35%; Injury Severity Score, 24 ± 10; and blood products at 24 hours, 21 ± 19 U. MicroRNA-19b was increased upon arrival and further increased over time: 4.6 → 6.7 → 24.1-fold change compared with 0.1 and 1.2 for minimally injured patients and controls, respectively. Syndecan-1 was increased to 42.6 → 50 → 51.5 ng/mL over time compared with 14.7 and 23.5 for minimally injured and controls, respectively. Values for both biomarkers remained significantly increased through 24 hours and were associated with a persistent increase in inflammatory cytokines. Admission syndecan-1 significantly predicted mortality, coagulopathy, and massive transfusion. CONCLUSION We have shown for the first time that miR-19b and syndecan-1 were biomarkers for endothelial dysfunction independent of resuscitation. MicroRNA-19b did not demonstrate a strong correlation with syndecan-1 nor outcomes. Admission syndecan-1, however, remains a strong prognostic marker, but its elevation over time suggests a versatile role following HS that requires further investigation. LEVEL OF EVIDENCE Prognostic/Epidemiological; Level II.
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Affiliation(s)
- Ahmad Zeineddin
- Shock Trauma and Anesthesiology Research Organized Research Center (STAR-ORC), University of Maryland School of Medicine, Baltimore, Maryland
| | - Feng Wu
- Shock Trauma and Anesthesiology Research Organized Research Center (STAR-ORC), University of Maryland School of Medicine, Baltimore, Maryland
| | - Wei Chao
- Shock Trauma and Anesthesiology Research Organized Research Center (STAR-ORC), University of Maryland School of Medicine, Baltimore, Maryland
- Department of Anesthesia, University of Maryland School of Medicine, Baltimore, MD US
| | - Lin Zhou
- Shock Trauma and Anesthesiology Research Organized Research Center (STAR-ORC), University of Maryland School of Medicine, Baltimore, Maryland
- Department of Anesthesia, University of Maryland School of Medicine, Baltimore, MD US
| | - Roumen Vesselinov
- Shock Trauma and Anesthesiology Research Organized Research Center (STAR-ORC), University of Maryland School of Medicine, Baltimore, Maryland
| | - Amanda Chipman
- Department of Surgery, University of Maryland School of Medicine, Baltimore, MD US
| | - Jing Fei Dong
- Bloodworks Research Institute, Seattle, WA, US
- Hematology Division, Department of Medicine, University of Washington School of Medicine, Seattle, WA, US
| | - Huang Huang
- Shock Trauma and Anesthesiology Research Organized Research Center (STAR-ORC), University of Maryland School of Medicine, Baltimore, Maryland
- Department of Anesthesia, University of Maryland School of Medicine, Baltimore, MD US
| | - Shibani Pati
- Department of Laboratory Medicine, Department of Surgery University of California San Francisco, San Francisco, CA US
| | - Rosemary A Kozar
- Shock Trauma and Anesthesiology Research Organized Research Center (STAR-ORC), University of Maryland School of Medicine, Baltimore, Maryland
- Shock Trauma Center, University of Maryland School of Medicine, Baltimore MD US
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Sartini S, Spadaro M, Cutuli O, Castellani L, Sartini M, Cristina ML, Canepa P, Tognoni C, Lo A, Canata L, Rosso M, Arboscello E. Does Antithrombotic Therapy Affect Outcomes in Major Trauma Patients? A Retrospective Cohort Study from a Tertiary Trauma Centre. J Clin Med 2022; 11:jcm11195764. [PMID: 36233632 PMCID: PMC9573302 DOI: 10.3390/jcm11195764] [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: 07/29/2022] [Revised: 08/24/2022] [Accepted: 09/26/2022] [Indexed: 11/16/2022] Open
Abstract
Antithrombotic therapy may affect outcomes in major trauma but its role is not fully understood. We aimed to investigate adverse outcomes among those with and without antithrombotic treatment in major trauma. Material and methods: This is a retrospective study conducted at the Emergency Department (ED) of the University Hospital of Genoa, a tertiary trauma center, including all major trauma between January 2019 and December 2020. Adverse outcomes were reviewed among those without antithrombotic treatment (Group 0), on antiplatelet treatment (Group 1), and on anticoagulant treatment (Group 2). Results: We reviewed 349 electronic charts for full analysis. Group 0 were n = 310 (88.8%), Group 1 were n = 26 (7.4%), and Group 2 were n = 13 (3.7%). In-hospital death and ICU admission, respectively, were: n = 16 (5.6%) and n = 81 (26%) in Group 0, none and n = 6 (25%) in Group 1, and n = 2 (15.8%) and n = 4 (30.8%) in Group 2 (p = 0.123-p = 0.874). Altered INR (OR 5.2) and increasing D-dimer levels (AUC: 0.81) correlated to increased mortality. Discussion: Group 2 showed higher mortality than Group 0 and Group 1, however Group 2 had fewer active treatments. Of clotting factors, only altered INR and elevated D-dimer levels were significantly correlated to adverse outcomes. Conclusions: Anticoagulant but not antiplatelet treatment seems to produce the worst outcomes in major trauma.
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Affiliation(s)
- Stefano Sartini
- Emergency Medicine Department, UOC MECAU, San Martino Policlinic University Hospital, Largo Rosanna Benzi 10, 16132 Genoa, Italy
- Correspondence: (S.S.); (M.S.); (M.L.C.)
| | - Marzia Spadaro
- Emergency Medicine Department, UOC MECAU, San Martino Policlinic University Hospital, Largo Rosanna Benzi 10, 16132 Genoa, Italy
| | - Ombretta Cutuli
- Emergency Medicine Department, UOC MECAU, San Martino Policlinic University Hospital, Largo Rosanna Benzi 10, 16132 Genoa, Italy
| | - Luca Castellani
- Emergency Medicine Department, UOC MECAU, San Martino Policlinic University Hospital, Largo Rosanna Benzi 10, 16132 Genoa, Italy
| | - Marina Sartini
- Department of Health Sciences, University of Genova, 16128 Genoa, Italy
- Hospital Hygiene Unit, Galliera Hospital, Via Alessandro Volta 8, 16128 Genoa, Italy
- Correspondence: (S.S.); (M.S.); (M.L.C.)
| | - Maria Luisa Cristina
- Department of Health Sciences, University of Genova, 16128 Genoa, Italy
- Hospital Hygiene Unit, Galliera Hospital, Via Alessandro Volta 8, 16128 Genoa, Italy
- Correspondence: (S.S.); (M.S.); (M.L.C.)
| | - Paolo Canepa
- Emergency Medicine Post-Graduate School, University of Genoa, Via Balbi 5, 16126 Genoa, Italy
| | - Chiara Tognoni
- Emergency Medicine Post-Graduate School, University of Genoa, Via Balbi 5, 16126 Genoa, Italy
| | - Agnese Lo
- Emergency Medicine Post-Graduate School, University of Genoa, Via Balbi 5, 16126 Genoa, Italy
| | - Lorenzo Canata
- Emergency Medicine Post-Graduate School, University of Genoa, Via Balbi 5, 16126 Genoa, Italy
| | - Martina Rosso
- School of Medicine, University of Genoa, Via Balbi 5, 16126 Genoa, Italy
| | - Eleonora Arboscello
- Emergency Medicine Department, UOC MECAU, San Martino Policlinic University Hospital, Largo Rosanna Benzi 10, 16132 Genoa, Italy
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Morrow GB, Feller T, McQuilten Z, Wake E, Ariëns RAS, Winearls J, Mutch NJ, Laffan MA, Curry N. Cryoprecipitate transfusion in trauma patients attenuates hyperfibrinolysis and restores normal clot structure and stability: Results from a laboratory sub-study of the FEISTY trial. Crit Care 2022; 26:290. [PMID: 36163263 PMCID: PMC9511733 DOI: 10.1186/s13054-022-04167-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Accepted: 09/13/2022] [Indexed: 11/20/2022] Open
Abstract
BACKGROUND Fibrinogen is the first coagulation protein to reach critical levels during traumatic haemorrhage. This laboratory study compares paired plasma samples pre- and post-fibrinogen replacement from the Fibrinogen Early In Severe Trauma studY (FEISTY; NCT02745041). FEISTY is the first randomised controlled trial to compare the time to administration of cryoprecipitate (cryo) and fibrinogen concentrate (Fg-C; Riastap) in trauma patients. This study will determine differences in clot strength and fibrinolytic stability within individuals and between treatment arms. METHODS Clot lysis, plasmin generation, atomic force microscopy and confocal microscopy were utilised to investigate clot strength and structure in FEISTY patient plasma. RESULTS Fibrinogen concentration was significantly increased post-transfusion in both groups. The rate of plasmin generation was reduced 1.5-fold post-transfusion of cryo but remained unchanged with Fg-C transfusion. Plasminogen activator inhibitor 1 activity and antigen levels and Factor XIII antigen were increased post-treatment with cryo, but not Fg-C. Confocal microscopy analysis of fibrin clots revealed that cryo transfusion restored fibrin structure similar to those observed in control clots. In contrast, clots remained porous with stunted fibres after infusion with Fg-C. Cryo but not Fg-C treatment increased individual fibre toughness and stiffness. CONCLUSIONS In summary, our data indicate that cryo transfusion restores key fibrinolytic regulators and limits plasmin generation to form stronger clots in an ex vivo laboratory study. This is the first study to investigate differences in clot stability and structure between cryo and Fg-C and demonstrates that the additional factors in cryo allow formation of a stronger and more stable clot.
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Affiliation(s)
- Gael B Morrow
- Nuffield Division of Clinical Laboratory Sciences, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK.
- Aberdeen Cardiovascular and Diabetes Centre, School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK.
| | - Timea Feller
- Leeds Thrombosis Collective, Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK
| | - Zoe McQuilten
- Transfusion Research Unit, Melbourne and Monash Health, Monash University, Melbourne, Australia
| | - Elizabeth Wake
- Trauma Service, Gold Coast University Hospital, Southport, Australia
- School of Medicine and Dentistry, Griffith University, Gold Coast Campus, Southport, Australia
| | - Robert A S Ariëns
- Leeds Thrombosis Collective, Discovery and Translational Science Department, Leeds Institute of Cardiovascular and Metabolic Medicine, University of Leeds, Leeds, UK
| | - James Winearls
- School of Medicine and Dentistry, Griffith University, Gold Coast Campus, Southport, Australia
| | - Nicola J Mutch
- Aberdeen Cardiovascular and Diabetes Centre, School of Medicine, Medical Sciences and Nutrition, Institute of Medical Sciences, University of Aberdeen, Aberdeen, UK
| | - Mike A Laffan
- Centre for Haematology, Imperial College London, London, UK
- Oxford Haemophilia and Thrombosis Centre, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
| | - Nicola Curry
- Nuffield Division of Clinical Laboratory Sciences, Radcliffe Department of Medicine, University of Oxford, Oxford, OX3 9DU, UK
- Oxford Haemophilia and Thrombosis Centre, NIHR Oxford Biomedical Research Centre, Oxford University Hospitals NHS Foundation Trust, Oxford, UK
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Matthay ZA, Fields AT, Nunez-Garcia B, Park JJ, Jones C, Leligdowicz A, Hendrickson CM, Callcut RA, Matthay MA, Kornblith LZ. Importance of catecholamine signaling in the development of platelet exhaustion after traumatic injury. J Thromb Haemost 2022; 20:2109-2118. [PMID: 35592998 PMCID: PMC10450647 DOI: 10.1111/jth.15763] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 04/11/2022] [Accepted: 05/09/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Impaired ex vivo platelet aggregation is common in trauma patients. The mechanisms driving these impairments remain incompletely understood, but functional platelet exhaustion due to excessive in vivo activation is implicated. Given platelet adrenoreceptors and known catecholamine surges after injury, impaired ex vivo platelet aggregation in trauma patients may be linked to catecholamine-induced functional platelet exhaustion. OBJECTIVE To determine the relationship of catecholamines with platelet-dependent hemostasis after injury and to model catecholamine-induced functional platelet exhaustion in healthy donor platelets. PATIENTS/METHODS Whole blood was collected from 67 trauma patients as part of a prospective cohort study. Platelet aggregometry and rotational thromboelastometry were performed, and plasma epinephrine (EPI) and norepinephrine (NE) concentrations were measured. The effect of catecholamines on healthy donor platelets was examined in a microfluidic model, with platelet aggregometry, and by flow cytometry examining surface markers of platelet activation. RESULTS In trauma patients, EPI and NE were associated with impaired platelet aggregation (both p < 0.05), and EPI was additionally associated with decreased viscoelastic clot strength, increased fibrinolysis, and mortality (all p < 0.05). In healthy donors, short duration incubation with EPI enhanced platelet aggregation, platelet adhesion under flow, and increased glycoprotein IIb/IIIa activation, while weaker effects were observed with NE. Compared with short incubation, longer incubation with EPI resulted in decreased platelet adhesion, platelet aggregation, and surface expression of glycoprotein IIb/IIIa. CONCLUSIONS These findings suggest sympathoadrenal activation in trauma patients contributes to impaired ex vivo platelet aggregation, which mechanistically may be explained by a functionally exhausted platelet phenotype under prolonged exposure to high plasma catecholamine levels.
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Affiliation(s)
- Zachary A. Matthay
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, USA
| | - Alexander T. Fields
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, USA
| | - Brenda Nunez-Garcia
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, USA
| | - John J. Park
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, USA
| | - Chayse Jones
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Aleksandra Leligdowicz
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Carolyn M. Hendrickson
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Rachael A. Callcut
- Department of Surgery, University of California, Davis, Sacramento, California, USA
| | - Michael A. Matthay
- Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Lucy Z. Kornblith
- Department of Surgery, Zuckerberg San Francisco General Hospital and the University of California, San Francisco, San Francisco, California, USA
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49
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Fournier J, Salou-Regis L, Pauleau G, Goin G, de La Villeon B, Goudard Y. Evaluation of follow-up and long-term outcomes of gunshot and stab wounds in a French civilian population. Chin J Traumatol 2022; 25:201-208. [PMID: 35484011 PMCID: PMC9252929 DOI: 10.1016/j.cjtee.2022.04.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Revised: 02/07/2022] [Accepted: 02/21/2022] [Indexed: 02/04/2023] Open
Abstract
PURPOSE The data concerning long-term follow-up and outcomes of penetrating trauma are poorly detailed in the literature. The main objective of our study was to analyze the hospital and extra-hospital follow-up of penetrating trauma victims and to evaluate the late complications and long-term consequences of these traumas. METHODS This work was a retrospective longitudinal monocentric observational study conducted at Laveran Military Hospital, from January 2007 to January 2017. All patients hospitalized for gunshot wound or stab wound management during this period were identified via a retrospective systematic query in the hospital information system using the ICD-10 codes. Epidemiological data, traumatism characteristics, hospital management, follow-up and traumatism consequences (i.e., persistent disability) were analyzed. To improve evaluation of traumatism long-term consequences, extra-hospital follow-up data from general physicians (GP) were collected by phone call. During this interview, 9 closed questions were asked to the GP. The survey evaluated: the date of the last consultation related to injury with the GP, the specific follow-up carried out by the GP, traumatism consequences, and recurrence of traumatism. Descriptive, univariate and multivariate with regression analysis were used for statistical analysis. RESULTS A total number of 165 patients were included. Median (Q1, Q3) of hospital follow-up was 28 (4, 66) days. One hundred one patients (61.2%) went to their one-month consultation at hospital. GP follow-up was achieved for 76 patients (55.2%). Median (Q1, Q3) of GP follow-up was 47 (21, 75) months. Twenty-four patients (14.5%) have been totally lost to follow up. The overall follow-up identified 54 patients (32.7%) with long-term consequences, 20 being psychiatric disorders and 30 organic injuries. Organic consequences were mainly peripheral nerve damages (n = 20; 12.1%). Most of the psychiatric consequences were diagnosed during GP follow-up (n = 14; 70%). Seventeen cases (10.3%) of recurrence were found and late mortality occurred in 4 patients (2.4%). High injury severity score, older age and gunshot wound were significantly linked to long-term consequences. Data collection and analysis were carried out in accordance with MR004 reference methodology. CONCLUSION This study showed a high rate of long-term consequences among patients managed for penetrating injury. If all organic lesions are diagnosed during hospital follow-up and jointly managed by hospital and extra-hospital physicians, most socio-psychiatric consequences were detected and followed by extra-hospital workers. However, for half of the patients, the extra-hospital follow-up could not be assessed. Thus, these consequences are very probably underestimated. It appears imperative to strengthen the compliance and adherence of these patients to the care network. Awareness and involvement of medical, paramedical teams and GP role seems essential to screen and manage these consequences.
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Affiliation(s)
- Julie Fournier
- Emergency Department, Laveran Military Hospital, Boulevard Laveran, 13013, Marseille, France
| | - Laure Salou-Regis
- Visceral and Digestive Surgery Unit, Laveran Military Hospital, Boulevard Laveran, 13013, Marseille, France
| | - Ghislain Pauleau
- Visceral and Digestive Surgery Unit, Laveran Military Hospital, Boulevard Laveran, 13013, Marseille, France
| | - Géraldine Goin
- Visceral and Digestive Surgery Unit, Laveran Military Hospital, Boulevard Laveran, 13013, Marseille, France
| | - Bruno de La Villeon
- Visceral and Digestive Surgery Unit, Laveran Military Hospital, Boulevard Laveran, 13013, Marseille, France
| | - Yvain Goudard
- Visceral and Digestive Surgery Unit, Laveran Military Hospital, Boulevard Laveran, 13013, Marseille, France,Corresponding author.
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Zeineddin A, Wu F, Dong JF, Huang H, Zou L, Chao W, Dorman B, Kozar RA. TRAUMA-DERIVED EXTRACELLULAR VESICLES ARE SUFFICIENT TO INDUCE ENDOTHELIAL DYSFUNCTION AND COAGULOPATHY. Shock 2022; 58:38-44. [PMID: 35984759 PMCID: PMC9750939 DOI: 10.1097/shk.0000000000001950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACTINTRODUCTION Although a number of studies have demonstrated increased release of extracellular vesicles (EVs) and changes in their origin differentials after trauma, the biologic significance of EVs is not well understood. We hypothesized that EVs released after trauma/hemorrhagic shock (HS) contribute to endotheliopathy and coagulopathy. To test this hypothesis, adoptive transfer experiments were performed to determine whether EVs derived from severely injured patients in shock were sufficient to induce endothelial dysfunction and coagulopathy. Methods: Total EVs were enriched from plasma of severely injured trauma/HS patients or minimally injured patients by ultracentrifugation and characterized for size and numbers. Under isoflurane anesthesia, noninjured naive C57BL/6J mice were administered EVs at varying concentrations and compared with mice receiving equal volume vehicle (phosphate-buffered saline (PBS)) or to mice receiving EVs from minimally injured patients. Thirty minutes after injection, mice were sacrificed, and blood was collected for thrombin generation (thrombin-antithrombin, thrombin-antithrombin complex [TAT] assay) and syndecan-1 by enzyme-linked immunoabsorbent assay (ELISA). Lungs were harvested for examination of histopathologic injury and costained with von Willebrand factor and fibrin to identify intravascular coagulation. Bronchial alveolar lavage fluid was aspirated from lungs for protein measurement as an indicator of the endothelial permeability. Data are presented as mean ± SD, P < 0.05 was considered significant, and t test was used. Results: An initial proof-of-concept experiment was performed in naive mice receiving EVs purified from severely injured trauma/HS patients (Injury Severity Score [ISS], 34 ± 7) at different concentrations (5 × 106 to 3.1 × 109/100 μL/mouse) and compared with PBS (control) mice. Neither TAT nor syndecan-1 levels were significantly different between groups at 30 minutes after EV infusion. However, lung vascular permeability and histopathologic injury were significantly higher in the EV group, and lung tissues demonstrated intravascular fibrin deposition. Based on these data, EVs from severely injured trauma/HS patients (ISS, 32 ± 6) or EVs from minimally injured patients (ISS, 8 ± 3) were administered to naive mice at higher concentrations (1 × 109 to 1 × 1010 EV/100 μL/mouse). Compared with mice receiving EVs from minimally injured patients, plasma TAT and syndecan-1 levels were significantly higher in the trauma/HS EV group. Similarly, bronchial alveolar lavage protein and lung histopathologic injury were higher in the trauma/HS EV group, and lung tissues demonstrated enhanced intravascular fibrin deposition. Conclusion: These data demonstrate that trauma/HS results in the systemic release of EVs, which are capable of inducing endotheliopathy as demonstrated by elevated syndecan-1 and increased permeability and coagulopathy as demonstrated by increased TAT and intravascular fibrin deposition. Targeting trauma-induced EVs may represent a novel therapeutic strategy.
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Affiliation(s)
- Ahmad Zeineddin
- Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD US
| | - Feng Wu
- Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD US
| | - Jing-Fei Dong
- Bloodworks Research Institute, Seattle, WA, US
- Hematology Division, Department of Medicine, University of Washington School of Medicine, Seattle, WA, US
| | - Huang Huang
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD, US
| | - Lin Zou
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD, US
| | - Wei Chao
- Department of Anesthesiology, University of Maryland School of Medicine, Baltimore, MD, US
| | - Brooke Dorman
- Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD US
| | - Rosemary A Kozar
- Shock Trauma Center, University of Maryland School of Medicine, Baltimore, MD US
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