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McCartin MP, Wool GD, Thomas SA, Panfil M, Schoenfeld D, Blumen IJ, Tataris KL, Thomas SH. Management Considerations for Air Medical Transport Programs Transfusing RhD-Positive Red Blood Cell-Containing Products to Females of Childbearing Potential. Air Med J 2024; 43:348-356. [PMID: 38897700 DOI: 10.1016/j.amj.2024.03.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 03/11/2024] [Accepted: 03/21/2024] [Indexed: 06/21/2024]
Abstract
Recent years have seen increased discussion surrounding the benefits of damage control resuscitation, prehospital transfusion (PHT) of blood products, and the use of whole blood over component therapy. Concurrent shortages of blood products with the desire to provide PHT during air medical transport have prompted reconsideration of the traditional approach of administering RhD-negative red cell-containing blood products first-line to females of childbearing potential (FCPs). Given that only 7% of the US population has blood type O negative and 38% has O positive, some programs may be limited to offering RhD-positive blood products to FCPs. Adopting the practice of giving RhD-positive blood products first-line to FCPs extends the benefits of PHT to such patients, but this practice does incur the risk of future hemolytic disease of the fetus and newborn (HDFN). Although the risk of future fetal mortality after an RhD-incompatible transfusion is estimated to be low in the setting of acute hemorrhage, the number of FCPs who are affected by this disease will increase as more air medical transport programs adopt this practice. The process of monitoring and managing HDFN can also be time intensive and costly regardless of the rates of fetal mortality. Air medical transport programs planning on performing PHT of RhD-positive red cell-containing products to FCPs should have a basic understanding of the pathophysiology, prevention, and management of hemolytic disease of the newborn before introducing this practice. Programs should additionally ensure there is a reliable process to notify receiving centers of potentially RhD-incompatible PHT because alloimmunization prophylaxis is time sensitive. Facilities receiving patients who have had PHT must be prepared to identify, counsel, and offer alloimmunization prophylaxis to these patients. This review aims to provide air medical transport professionals with an understanding of the pathophysiology and management of HDFN and provide a template for the early management of FCPs who have received an RhD-positive red cell-containing PHT. This review also covers the initial workup and long-term anticipatory guidance that receiving trauma centers must provide to FCPs who have received RhD-positive red cell-containing PHT.
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Affiliation(s)
| | | | - Sarah A Thomas
- Department of Molecular Microbiology and Immunology, Johns Hopkins University Bloomberg School of Public Health, Baltimore, MD
| | | | - David Schoenfeld
- Department of Emergency Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA
| | - Ira J Blumen
- Section of Emergency Medicine, University of Chicago, Chicago, IL
| | - Katie L Tataris
- Section of Emergency Medicine, University of Chicago, Chicago, IL
| | - Stephen H Thomas
- Department of Emergency Medicine, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA; Blizard Institute for Neuroscience, Surgery, and Trauma, Barts and The London School of Medicine, London, UK
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Jama T, Lefering R, Lauronen J, Handolin L. Factors affecting physicians' decision to start prehospital blood product transfusion in blunt trauma patients: A cohort study of Helsinki Trauma Registry. Transfusion 2024; 64 Suppl 2:S167-S173. [PMID: 38511866 DOI: 10.1111/trf.17791] [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: 12/30/2023] [Revised: 02/29/2024] [Accepted: 02/29/2024] [Indexed: 03/22/2024]
Abstract
BACKGROUND Prehospital blood transfusions are increasing as a treatment for bleeding trauma patients at risk for exsanguination. Triggers for starting transfusion in the field are less studied. We analyzed the factors affecting the decision of physicians to start prehospital blood product transfusion (PHBT) in blunt adult trauma patients. STUDY DESIGN AND METHODS Data of all adult blunt trauma patients from the Helsinki Trauma Registry between March 2016 and July 2021 were retrospectively analyzed. Univariate analysis for the identification of predictive factors and multivariate regression analysis for their importance as predictive factors for the initiation of PHBT were applied. RESULTS There were 1652 patients registered in the database. A total of 556 of them were treated by a physician-level prehospital emergency care unit, of which by transfusion-capable unit in 394 patients. PHBT (red blood cells and/or plasma) was started in 19.8% of the patients. We identified three statistically highly important clinical triggers for starting PHBT: high crystalloid volume need, shock index ≥0.9, and need for prehospital pleural decompression. DISCUSSION PHBT in blunt adult trauma patients is initiated in ~20% of the patients in Southern Finland. High crystalloid volume need, shock index ≥0.9 and prehospital pleural decompression are associated with the initiation of PHBT, probably reflecting patients at high risk for bleeding.
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Affiliation(s)
- Timo Jama
- Wellbeing Services County of Päijät-Häme, Lahti, Finland
- University of Helsinki, Helsinki, Finland
| | - Rolf Lefering
- Institute for Research in Operative Medicine (IFOM), University of Witten/Herdecke, Cologne, Germany
| | - Jouni Lauronen
- University of Helsinki, Helsinki, Finland
- Finnish Red Cross Blood Service, Vantaa, Finland
| | - Lauri Handolin
- University of Helsinki, Helsinki, Finland
- Helsinki University Hospital Trauma Unit, Helsinki, Finland
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Broome JM, Nordham KD, Piehl M, Tatum D, Caputo S, Belding C, De Maio VJ, Taghavi S, Jackson-Weaver O, Harris C, McGrew P, Smith A, Nichols E, Dransfield T, Rayburn D, Marino M, Avegno J, Duchesne J. Faster refill in an urban emergency medical services system saves lives: A prospective preliminary evaluation of a prehospital advanced resuscitative care bundle. J Trauma Acute Care Surg 2024; 96:702-707. [PMID: 38189675 DOI: 10.1097/ta.0000000000004239] [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: 01/09/2024]
Abstract
INTRODUCTION Military experience has demonstrated mortality improvement when advanced resuscitative care (ARC) is provided for trauma patients with severe hemorrhage. The benefits of ARC for trauma in civilian emergency medical services (EMS) systems with short transport intervals are still unknown. We hypothesized that ARC implementation in an urban EMS system would reduce in-hospital mortality. METHODS This was a prospective analysis of ARC bundle administration between 2021 and 2023 in an urban EMS system with 70,000 annual responses. The ARC bundle consisted of calcium, tranexamic acid, and packed red blood cells via a rapid infuser. Advanced resuscitative care patients were compared with trauma registry controls from 2016 to 2019. Included were patients with a penetrating injury and systolic blood pressure ≤90 mm Hg. Excluded were isolated head trauma or prehospital cardiac arrest. In-hospital mortality was the primary outcome of interest. RESULTS A total of 210 patients (ARC, 61; controls, 149) met the criteria. The median age was 32 years, with no difference in demographics, initial systolic blood pressure or heart rate recorded by EMS, or New Injury Severity Score between groups. At hospital arrival, ARC patients had lower median heart rate and shock index than controls ( p ≤ 0.03). Fewer patients in the ARC group required prehospital advanced airway placement ( p < 0.001). Twenty-four-hour and total in-hospital mortality were lower in the ARC group ( p ≤ 0.04). Multivariable regression revealed an independent reduction in in-hospital mortality with ARC (odds ratio, 0.19; 95% confidence interval, 0.05-0.68; p = 0.01). CONCLUSION Early ARC in a fast-paced urban EMS system is achievable and may improve physiologic derangements while decreasing patient mortality. Advanced resuscitative care closer to the point of injury warrants consideration. LEVEL OF EVIDENCE Therapeutic/Care Management; Level IV.
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Affiliation(s)
- Jacob M Broome
- Department of Surgery, MedStar Georgetown Washington Hospital Center, (J.M.B.) Washington DC; Department of Surgery (K.D.N., D.T., S.C., C.B., S.T., O.J.-W., C.H., P.M., J.D.), Tulane University School of Medicine, New Orleans, Louisiana; Department of Pediatrics (M.P.), and Department of Emergency Medicine (V.J.D.M.), University of North Carolina at Chapel Hill, Chapel Hill; WakeMed Health and Hospitals (M.P.), Raleigh, North Carolina; Lousiana State University Health Science Center New Orleans (A.S.); New Orleans Emergency Medical Services (E.N., T.D., D.R., M.M.); and New Orleans Health Department, New Orleans, Louisiana (J.A.)
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Sullivan TM, Sippel GJ, Gestrich-Thompson WV, Jensen AR, Burd RS. Survival bias in pediatric hemorrhagic shock: Are we misrepresenting the data? J Trauma Acute Care Surg 2024; 96:785-792. [PMID: 37752639 DOI: 10.1097/ta.0000000000004119] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2023]
Abstract
BACKGROUND Studies of hemorrhage following pediatric injury often use the occurrence of transfusion as a surrogate definition for the clinical need for a transfusion. Using this approach, patients who are bleeding but die before receiving a transfusion are misclassified as not needing a transfusion. In this study, we aimed to evaluate the potential for this survival bias and to estimate its presence among a retrospective observational cohort of children and adolescents who died from injury. METHODS We obtained patient, injury, and resuscitation characteristics from the 2017 to 2020 Trauma Quality Improvement Program database of children and adolescents (younger than 18 years) who arrived with or without signs of life and died. We performed univariate analysis and a multivariable logistic regression to analyze the association between the time to death and the occurrence of transfusion within 4 hours after hospital arrival controlling for initial vital signs, injury type, body regions injured, and scene versus transfer status. RESULTS We included 6,063 children who died from either a blunt or penetrating injury. We observed that children who died within 15 minutes had lower odds of receiving a transfusion (odds ratio, 0.1; 95% confidence interval, 0.1-0.2) compared with those who survived longer. We estimated that survival bias that occurs when using transfusion administration alone to define hemorrhagic shock may occur in up to 11% of all children who died following a blunt or penetrating injury but less than 1% of all children managed as trauma activations. CONCLUSION Using the occurrence of transfusion alone may underestimate the number of children who die from uncontrolled hemorrhage early after injury. Additional variables than just transfusion administration are needed to more accurately identify the presence of hemorrhagic shock among injured children and adolescents. LEVEL OF EVIDENCE Prognostic and Epidemiological; Level III.
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MESH Headings
- Humans
- Shock, Hemorrhagic/therapy
- Shock, Hemorrhagic/mortality
- Shock, Hemorrhagic/etiology
- Shock, Hemorrhagic/diagnosis
- Child
- Female
- Male
- Retrospective Studies
- Adolescent
- Blood Transfusion/statistics & numerical data
- Child, Preschool
- Infant
- Bias
- Wounds, Penetrating/mortality
- Wounds, Penetrating/therapy
- Wounds, Penetrating/complications
- Wounds, Penetrating/diagnosis
- Wounds, Nonpenetrating/mortality
- Wounds, Nonpenetrating/therapy
- Wounds, Nonpenetrating/diagnosis
- Wounds, Nonpenetrating/complications
- Resuscitation/methods
- Resuscitation/statistics & numerical data
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Affiliation(s)
- Travis M Sullivan
- From the Division of Trauma and Burn Surgery (T.M.S., G.J.S., W.V.G.-T., R.S.B.), Children's National Hospital, Washington, DC; Department of Surgery (A.R.J.), University of California San Francisco; and Division of Pediatric Surgery (A.R.J.), UCSF Benioff Children's Hospitals, San Francisco, CA
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Facchetti G, Facchetti M, Schmal M, Lee R, Fiorelli S, Marzano TF, Lupi C, Daminelli F, Sbrana G, Massullo D, Marinangeli F. Prehospital Blood Transfusion in Helicopter Emergency Medical Services: An Italian Survey. Air Med J 2024; 43:140-145. [PMID: 38490777 DOI: 10.1016/j.amj.2023.11.007] [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: 05/24/2023] [Revised: 10/17/2023] [Accepted: 11/12/2023] [Indexed: 03/17/2024]
Abstract
OBJECTIVE Hemorrhage remains the most common cause of preventable death after trauma. Prehospital blood product (PHBP) administration may improve outcomes. No data are available about PHBP use in Italian helicopter emergency medical services (HEMS). The primary aim of this survey was to establish the degree of PHBP used throughout Italy. The secondary aims were to evaluate the main indications for their use, the opinions about PHBPs, and users' experience. METHODS The study group performed a telephone/e-mail survey of all 56 Italian HEMS bases. The questions concerned whether PHBPs were used in their HEMS bases, the frequency of transfusions, the PHBP used, and the perceived benefits. RESULTS Four of 56 HEMS bases use PHBPs. Overall, 7% have prehospital access to packed red cells and only 1 to fresh plasma. In addition to blood product administration, 4 of 4 use tranexamic acid, and 3 of 4 also use fibrinogen. Seventy-five percent use PHBPs once a month and 25% once a week. The users' experience was that PHBPs are beneficial and lifesaving. CONCLUSION Only 4 of 56 HEMS in Italy use PHBPs. There is an absolute consensus among providers on the benefit of PHBPs despite the lack of evidence on PHBP use.
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Affiliation(s)
| | - Marilisa Facchetti
- Department Anesthesiology and Critical Care, University of L'Aquila, L'Aquila, Italy
| | - Mariette Schmal
- Jeugdgezondheidszorg Zuid-Holland West, Zoetermeer, Netherlands
| | - Ronan Lee
- European Patent Office, Team Surgery, Rijswijk, Netherlands
| | - Silvia Fiorelli
- Anesthesia and Intensive Care Medicine, Department of Clinical and Surgical Translational Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy.
| | | | - Cristian Lupi
- HEMS Bologna, Department of Anesthesia, Intensive Care and Prehospital Emergency, Maggiore Hospital Carlo Alberto Pizzardi, Azienda Unità Sanitaria Locale Bologna, Bologna, Italy
| | - Francesco Daminelli
- HEMS Bergamo, Papa Giovanni XXIII Hospital, Agenzia Regionale Emergenza Urgenza Lombardia, Bergamo, Italy
| | - Giovanni Sbrana
- HEMS Grosseto, Emergency Department, Azienda Sanitaria Locale Toscana Sud Est, Grosseto, Italy
| | - Domenico Massullo
- Anesthesia and Intensive Care Medicine, Department of Clinical and Surgical Translational Medicine, Sant'Andrea Hospital, Sapienza University of Rome, Rome, Italy
| | - Franco Marinangeli
- Department Anesthesiology and Critical Care, University of L'Aquila, L'Aquila, Italy
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Sullivan TM, Sippel GJ, Gestrich-Thompson WV, Burd RS. Strategies to Obtain and Deliver Blood Products Into Critically Injured Children: A Survey of Pediatric Trauma Society Members. Pediatr Emerg Care 2024; 40:124-127. [PMID: 38286002 PMCID: PMC10842851 DOI: 10.1097/pec.0000000000003118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2024]
Abstract
OBJECTIVES Timely transfusion is associated with improved survival and a reduction in in-hospital morbidity. The benefits of early hemorrhagic shock recognition may be limited by barriers to accessing blood products and their timely administration. We examined how pediatric trauma programs obtain blood products, the types of rapid infusion models used, and the metrics tracked to improve transfusion process efficiency in their emergency department (ED). METHODS We developed and distributed a self-report survey to members of the Pediatric Trauma Society. The survey consisted of 6 initial questions, including the respondent's role and institution, whether a blood storage refrigerator was present in their ED, the rapid infuser model used to transfuse critically injured children in their ED, if their program tracked 4 transfusion process metrics, and if a video recording system was present in the trauma bay. Based on these responses, additional questions were prompted with an option for a free-text response. RESULTS We received 137 responses from 77 institutions. Most pediatric trauma programs have a blood storage refrigerator in the ED (n = 46, 59.7%) and use a Belmont rapid infuser to transfuse critically injured children (n = 45, 58.4%). The American College of Surgeons Level 1 designated trauma programs, or state-based equivalents, and "pediatric" trauma programs were more likely to have video recording systems for performance improvement review compared with lower designated trauma programs and "combined pediatric and adult" trauma programs, respectively. CONCLUSIONS Strategies to improve the timely acquisition and infusion of blood products to critically injured children are underreported. This study examined the current practices that pediatric trauma programs use to transfuse critically injured children and may provide a resource for trauma programs to cite for transfusion-related quality improvement.
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Affiliation(s)
- Travis M. Sullivan
- Division of Trauma and Burn Surgery, Children’s National Hospital, Washington, DC
| | - Genevieve J. Sippel
- Division of Trauma and Burn Surgery, Children’s National Hospital, Washington, DC
| | | | - Randall S. Burd
- Division of Trauma and Burn Surgery, Children’s National Hospital, Washington, DC
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7
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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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Morgan KM, Abou-Khalil E, Strotmeyer S, Richardson WM, Gaines BA, Leeper CM. Association of Prehospital Transfusion With Mortality in Pediatric Trauma. JAMA Pediatr 2023; 177:693-699. [PMID: 37213096 PMCID: PMC10203962 DOI: 10.1001/jamapediatrics.2023.1291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Accepted: 03/01/2023] [Indexed: 05/23/2023]
Abstract
Importance Optimal hemostatic resuscitation in pediatric trauma is not well defined. Objective To assess the association of prehospital blood transfusion (PHT) with outcomes in injured children. Design, Setting, and Participants This retrospective cohort study of the Pennsylvania Trauma Systems Foundation database included children aged 0 to 17 years old who received a PHT or emergency department blood transfusion (EDT) from January 2009 and December 2019. Interfacility transfers and isolated burn mechanism were excluded. Analysis took place between November 2022 and January 2023. Exposure Receipt of a blood product transfusion in the prehospital setting compared with the emergency department. Main Outcomes and Measures The primary outcome was 24-hour mortality. A 3:1 propensity score match was developed balancing for age, injury mechanism, shock index, and prehospital Glasgow Comma Scale score. A mixed-effects logistic regression was performed in the matched cohort further accounting for patient sex, Injury Severity Score, insurance status, and potential center-level heterogeneity. Secondary outcomes included in-hospital mortality and complications. Results Of 559 children included, 70 (13%) received prehospital transfusions. In the unmatched cohort, the PHT and EDT groups had comparable age (median [IQR], 47 [9-16] vs 14 [9-17] years), sex (46 [66%] vs 337 [69%] were male), and insurance status (42 [60%] vs 245 [50%]). The PHT group had higher rates of shock (39 [55%] vs 204 [42%]) and blunt trauma mechanism (57 [81%] vs 277 [57%]) and lower median (IQR) Injury Severity Score (14 [5-29] vs 25 [16-36]). Propensity matching resulted in a weighted cohort of 207 children, including 68 of 70 recipients of PHT, and produced well-balanced groups. Both 24-hour (11 [16%] vs 38 [27%]) and in-hospital mortality (14 [21%] vs 44 [32%]) were lower in the PHT cohort compared with the EDT cohort, respectively; there was no difference in in-hospital complications. Mixed-effects logistic regression in the postmatched group adjusting for the confounders listed above found PHT was associated with a significant reduction in 24-hour (adjusted odds ratio, 0.46; 95% CI, 0.23-0.91) and in-hospital mortality (adjusted odds ratio, 0.51; 95% CI, 0.27-0.97) compared with EDT. The number needed to transfuse in the prehospital setting to save 1 child's life was 5 (95% CI, 3-10). Conclusions and Relevance In this study, prehospital transfusion was associated with lower rates of mortality compared with transfusion on arrival to the emergency department, suggesting bleeding pediatric patients may benefit from early hemostatic resuscitation. Further prospective studies are warranted. Although the logistics of prehospital blood product programs are complex, strategies to shift hemostatic resuscitation toward the immediate postinjury period should be pursued.
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Richards JB, Frakes MA, Grant C, Cohen JE, Wilcox SR. Air Versus Ground Transport Times in an Urban Center. PREHOSP EMERG CARE 2023; 27:59-66. [PMID: 34788200 DOI: 10.1080/10903127.2021.2005194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
PURPOSE Given that the benefits of helicopter transport vary with geography and healthcare systems, we assessed transport times for rotor wing versus ground transport over a 10 year period in an urban setting. MATERIALS AND METHODS All completed transports from 153 sending hospitals in New England from 2009 through 2018 to 8 local tertiary care centers were extracted from an administrative database. The primary outcome of interest was patient-loaded transport time for rotor wing versus ground transports. Overall, 25,483 patient transports met the inclusion criteria and were included in this study. We assessed patient-loaded transport time for all transports, and determined mean time to arrive at the scene, scene to patient time, the bedside time, and distance at which the patient-loaded transport time was faster for rotor wing than for ground transport. We also performed subgroup analyses, evaluating transport times by time of day, day of the week, and destination. RESULTS The most common indication for transport was adult trauma, (n = 6,008, 23.6%) followed by adult cardiac (n = 4359, 17.1%), adult neuro (3729 14.6%), and adult medical (n = 3691, 14.5%). The median miles traveled for all transports was 26.0, IQR 14-38, ranging from 1 to 264 miles. The median patient-loaded transport time was 27 min (IQR 15-40) for all transports. Nearly all time intervals were shorter for rotor wing versus ground transports, and patient-loaded transport time was significantly shorter at 15 minutes compared to 38 minutes (IQR 12-22 vs 28-33, p < 0.001). There was no distance at which the patient-loaded transport time was faster for ground transport than for rotor wing. CONCLUSIONS In over 25,000 transports over 10 years, in a compact metropolitan area with relatively short transport distances and times, the use of the helicopter was associated with substantial time savings.
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Affiliation(s)
- Jeremy B Richards
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts.,Department of Medicine, Harvard Medical School, Boston, Massachusetts
| | | | | | - Jason E Cohen
- Boston MedFlight, Bedford, Massachusetts.,Division of Critical Care Medicine, Department of Emergency Medicine, Brigham and Women's Hospital, Boston, Massachusetts.,Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts.,Department of Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Susan Renee Wilcox
- Boston MedFlight, Bedford, Massachusetts.,Department of Emergency Medicine, Harvard Medical School, Boston, Massachusetts.,Department of Surgery, Brigham and Women's Hospital, Boston, Massachusetts.,Division of Critical Care Medicine, Department of Emergency Medicine, Massachusetts General Hospital, Boston, Massachusetts
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Moon J, AlFarsi M, Marinescu D, AlQahtani M, Pang A, Ghitulescu G, Vasilevsky CA, Boutros M. Emergency colectomies in the NOAC era: a nationwide analysis demonstrating increased complications. Surg Endosc 2023; 37:660-668. [PMID: 36163564 DOI: 10.1007/s00464-022-09630-y] [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: 09/07/2021] [Accepted: 09/11/2022] [Indexed: 01/18/2023]
Abstract
BACKGROUND The use of Non-vitamin K antagonist oral anticoagulants (NOAC) has increased substantially since their introduction in 2010. The lack of readily available reversal agents poses a challenge in perioperative management. The aim of this study was to evaluate the impact of NOACs on the outcomes of emergency colectomies. METHODS All adult patients on long-term anticoagulation who underwent emergency colectomies were identified from the Nationwide Inpatient Sample (NIS) database from 2002 to 2018. Long-term anticoagulation was defined using ICD-9/10 codes. Two cohorts were compared: anticoagulated patients in the pre-NOAC era (2002-2010) and anticoagulated patients in the NOAC era (2010-2018). Outcomes of interest were postoperative surgical complications, mortality and need for transfusion. RESULTS Of 13,218 patients on long-term anticoagulation, 3,264 patients were treated in the pre-NOAC era and 9,954 in the NOAC era. Over the study period, there was a significant increase in the proportion of anticoagulated patients undergoing emergency colectomies (R2 = 0.91). On univariate analysis, anticoagulated patients in the NOAC era were medically more comorbid and had higher rates of postoperative surgical complications (73.3% vs 60.3%, p < 0.001) and mortality (8.2% vs. 6.7%, p = 0.006), but had lower rates of postoperative bleeding (3.5% vs. 4.4%, p = 0.002) and transfusions (38.1% vs. 45.4%, p < 0.001). On multivariable regression, after accounting for clinically significant covariates, anticoagulation in the NOAC era was associated with decreased rates of postoperative bleeding (OR 0.70, 95%CI 0.57-0.88) and transfusions (OR 0.71 95%CI 0.64-0.77) but remained an independent predictor of increased overall postoperative complications (OR 1.26, 95%CI 1.14-1.39). CONCLUSION Prevalence of long-term anticoagulation in patients undergoing emergency colectomies is increasing. Although associated with lower rates of postoperative bleeding and transfusions, anticoagulation in the NOAC era is associated with higher rates of overall postoperative complications. Evidence-based guidelines for perioperative management of patients on NOACs in the emergency colorectal surgery setting are needed.
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Affiliation(s)
- Jeongyoon Moon
- Department of Surgery, McGill University, Montreal, QC, Canada
| | - Maryam AlFarsi
- Department of Surgery, McGill University, Montreal, QC, Canada
| | | | | | - Allison Pang
- Department of Surgery, McGill University, Montreal, QC, Canada
| | | | | | - Marylise Boutros
- Department of Surgery, McGill University, Montreal, QC, Canada.
- Division of Colon and Rectal Surgery, Jewish General Hospital, McGill University, 3755 Cote Ste Catherine, Room G-308, Montreal, QC, H3T 1E2, Canada.
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Russell RT, Bembea MM, Borgman MA, Burd RS, Gaines BA, Jafri M, Josephson CD, Leeper CM, Leonard JC, Muszynski JA, Nicol KK, Nishijima DK, Stricker PA, Vogel AM, Wong TE, Spinella PC. Pediatric traumatic hemorrhagic shock consensus conference research priorities. J Trauma Acute Care Surg 2023; 94:S11-S18. [PMID: 36203242 PMCID: PMC9805504 DOI: 10.1097/ta.0000000000003802] [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: 02/07/2023]
Abstract
BACKGROUND Traumatic injury is the leading cause of death in children and adolescents. Hemorrhagic shock remains a common and preventable cause of death in the pediatric trauma patients. A paucity of high-quality evidence is available to guide specific aspects of hemorrhage control in this population. We sought to identify high-priority research topics for the care of pediatric trauma patients in hemorrhagic shock. METHODS A panel of 16 consensus multidisciplinary committee members from the Pediatric Traumatic Hemorrhagic Shock Consensus Conference developed research priorities for addressing knowledge gaps in the care of injured children and adolescents in hemorrhagic shock. These ideas were informed by a systematic review of topics in this area and a discussion of these areas in the consensus conference. Research priorities were synthesized along themes and prioritized by anonymous voting. RESULTS Eleven research priorities that warrant additional investigation were identified by the consensus committee. Areas of proposed study included well-designed clinical trials and evaluations, including increasing the speed and accuracy of identifying and treating hemorrhagic shock, defining the role of whole blood and tranexamic acid use, and assessment of the utility and appropriate use of viscoelastic techniques during early resuscitation. The committee recommended the need to standardize essential definitions, data elements, and data collection to facilitate research in this area. CONCLUSION Research gaps remain in many areas related to the care of hemorrhagic shock after pediatric injury. Addressing these gaps is needed to develop improved evidence-based recommendations for the care of pediatric trauma patients in hemorrhagic shock.
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Affiliation(s)
- Robert T. Russell
- Department of Surgery, Division of Pediatric Surgery, University of Alabama at Birmingham, Children’s of Alabama, Birmingham, AL
| | - Melania M. Bembea
- Division of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD
| | - Matthew A. Borgman
- Department of Pediatrics, Brooke Army Medical Center, Uniformed Services University
| | - Randall S. Burd
- Division of Trauma and Burn Surgery, Children’s National Hospital, Washington, DC
| | - Barbara A. Gaines
- Department of Surgery, University of Pittsburgh School of Medicine, UPMC Children’s Hospital, Pittsburgh, PA
| | - Mubeen Jafri
- Division of Pediatric Surgery, Doernbecher Children’s Hospital, Oregon Health and Science University, Portland, OR
| | - Cassandra D. Josephson
- Department of Oncology, Sydney Kimmel Cancer Center, Johns Hopkins University School of Medicine, Baltimore MD, and Cancer and Blood Disorders Institute, Johns Hopkins All Children’s Hospital, St. Petersburg, FL
| | - Christine M. Leeper
- Department of Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA
| | - Julie C. Leonard
- Department of Pediatrics, Division of Emergency Medicine, The Ohio State University College of Medicine, Nationwide Children’s Hospital, Columbus, OH
| | - Jennifer A. Muszynski
- Division of Critical Care Medicine, The Ohio State University College of Medicine, Nationwide Children’s Hospital, Columbus, OH
| | - Kathleen K. Nicol
- Department of Pathology and Laboratory Medicine, The Ohio State University College of Medicine Nationwide Children’s Hospital, Columbus, OH
| | - Daniel K. Nishijima
- Department of Emergency Medicine, University of California, Davis School of Medicine, Sacramento, CA
| | - Paul A. Stricker
- Department of Anesthesiology and Critical Care, The Children’s Hospital of Philadelphia and the Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA
| | - Adam M. Vogel
- Divisions of Pediatric Surgery and Critical Care, Texas Children’s Hospital and Baylor College of Medicine, Houston, TX
| | - Trisha E. Wong
- Division of Pediatric Hematology and Oncology and Department of Pathology, Oregon Health and Science University, Portland, OR
| | - Philip C. Spinella
- Department of Surgery and Critical Care Medicine, University of Pittsburgh Medical Center. Pittsburgh, PA
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Mains CW, Sercy E, Elder T, Salottolo K, DHuyvetter C, Bar-Or D. Predictors of Massive Transfusion Protocol Initiation Among Trauma Patients Transported From the Scene Via Flight Emergency Management Services. Air Med J 2023; 42:19-23. [PMID: 36710030 DOI: 10.1016/j.amj.2022.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 11/03/2022] [Accepted: 11/29/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Early identification of the subset of trauma patients with acute hemorrhage who require resuscitation via massive transfusion protocol (MTP) initiation is vital because such identification can ensure the availability of resuscitation products immediately upon hospital arrival and result in improved clinical outcomes, including reduced mortality. However, there are currently few studies on the predictors of MTP in the unique setting of flight transport. METHODS This was a retrospective study of adult trauma patients transported from the scene via flight to 6 trauma centers between March 1, 2019, and January 21, 2021. Patients were included if they had emergency medical service vitals documented. The variables collected included demographics, comorbidities, cause of injury, body regions injured, in-flight treatments, and transport vitals. The primary outcome was MTP initiated by the receiving hospital. RESULTS A total of 212 patients were included, of whom 16 (8%) had MTP initiated. During flight transport, 24 (11%) received whole blood, 9 (4%) received packed red blood cells, 11 (5%) had a tourniquet placed, and 5 (2%) received tranexamic acid. In adjusted analyses, receiving whole blood during transport (odds ratio [OR] = 8.52, P < .01), systolic blood pressure ≤ 90 mm Hg (OR = 8.07, P < .01), and a Glasgow Coma Scale score < 13 (OR = 8.38, P < .01) were independently associated with MTP. CONCLUSIONS This retrospective cohort study showed that 3 factors readily available in the flight setting-receipt of whole blood, systolic blood pressure, and Glasgow Coma Scale score-are strong predictors of MTP at the receiving facility, particularly when considered in aggregate.
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Sullivan TM, Gestrich-Thompson WV, Milestone ZP, Burd RS. Time is tissue: Barriers to timely transfusion after pediatric injury. J Trauma Acute Care Surg 2023; 94:S22-S28. [PMID: 35916621 PMCID: PMC9805480 DOI: 10.1097/ta.0000000000003752] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
ABSTRACT Strategies to improve outcomes among children and adolescents in hemorrhagic shock have primarily focused on component resuscitation, pharmaceutical coagulation adjuncts, and hemorrhage control techniques. Many of these strategies have been associated with better outcomes in children, but the barriers to their use and the impact of timely use on morbidity and mortality have received little attention. Because transfusion is uncommon in injured children, few studies have identified and described barriers to the processes of using these interventions in bleeding patients, processes that move from the decision to transfuse, to obtaining the necessary blood products and adjuncts, and to delivering them to the patient. In this review, we identify and describe the steps needed to ensure timely blood transfusion and propose practices to minimize barriers in this process. Given the potential impact of time on hemorrhage associated outcomes, ensuring timely intervention may have a similar or greater impact than the interventions themselves.
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Affiliation(s)
- Travis M. Sullivan
- Division of Trauma and Burn Surgery, Children’s National Hospital, Washington, DC
| | | | - Zachary P. Milestone
- Division of Trauma and Burn Surgery, Children’s National Hospital, Washington, DC
| | - Randall S. Burd
- Division of Trauma and Burn Surgery, Children’s National Hospital, Washington, DC
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Broome JM, Ali A, Simpson JT, Tran S, Tatum D, Taghavi S, DuBose J, Duchesne J. IMPACT OF TIME TO EMERGENCY DEPARTMENT RESUSCITATIVE AORTIC OCCLUSION AFTER NONCOMPRESSIBLE TORSO HEMORRHAGE. Shock 2022; 58:275-279. [PMID: 36256624 DOI: 10.1097/shk.0000000000001988] [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: 06/16/2023]
Abstract
Introduction: Time is an essential element in outcomes of trauma patients. The relationship of time to treatment in management of noncompressible torso hemorrhage (NCTH) with resuscitative endovascular balloon occlusion of the aorta (REBOA) or resuscitative thoracotomy (RT) has not been previously described. We hypothesized that shorter times to intervention would reduce mortality. Methods: A review of the Aortic Occlusion for Resuscitation in Trauma and Acute Care Surgery registry from 2013 to 2022 was performed to identify patients who underwent emergency department aortic occlusion (AO). Multivariate logistic regression was used to examine the impact of time to treatment on mortality. Results: A total of 1,853 patients (1,245 [67%] RT, 608 [33%] REBOA) were included. Most patients were male (82%) with a median age of 34 years (interquartile range, 30). Median time from injury to admission and admission to successful AO were 31 versus 11 minutes, respectively. Patients who died had shorter median times from injury to successful AO (44 vs. 72 minutes, P < 0.001) and admission to successful AO (10 vs. 22 minutes, P < 0.001). Multivariate logistic regression demonstrated that receiving RT was the strongest predictor of mortality (odds ratio [OR], 6.6; 95% confidence interval [CI], 4.4-9.9; P < 0.001). Time from injury to admission and admission to successful AO were not significant. This finding was consistent in subgroup analysis of RT-only and REBOA-only populations. Conclusions: Despite expedited interventions, time to aortic occlusion did not significantly impact mortality. This may suggest that rapid in-hospital intervention was often insufficient to compensate for severe exsanguination and hypovolemia that had already occurred before emergency department presentation. Selective prehospital advanced resuscitative care closer to the point of injury with "scoop and control" efforts including hemostatic resuscitation warrants special consideration.
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Affiliation(s)
- Jacob M Broome
- Division of Trauma and Critical Care, Department of Surgery, Tulane University School of Medicine, New Orleans, Louisiana
| | - Ayman Ali
- Division of Trauma and Critical Care, Department of Surgery, Tulane University School of Medicine, New Orleans, Louisiana
| | - John T Simpson
- Division of Trauma and Critical Care, Department of Surgery, Tulane University School of Medicine, New Orleans, Louisiana
| | - Sherman Tran
- Division of Trauma and Critical Care, Department of Surgery, Tulane University School of Medicine, New Orleans, Louisiana
| | - Danielle Tatum
- Division of Trauma and Critical Care, Department of Surgery, Tulane University School of Medicine, New Orleans, Louisiana
| | - Sharven Taghavi
- Division of Trauma and Critical Care, Department of Surgery, Tulane University School of Medicine, New Orleans, Louisiana
| | - Joseph DuBose
- R Adams Cowley Shock Trauma Center, University of Maryland Medical Center, Baltimore, Maryland
| | - Juan Duchesne
- Division of Trauma and Critical Care, Department of Surgery, Tulane University School of Medicine, New Orleans, Louisiana
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15
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Ammann AM, Wallen TE, Delman AM, Turner KM, Salvator A, Pritts TA, Makley AT, Goodman MD. Low Volume Blood Product Transfusion Patterns And Ratios After Injury. Am J Surg 2022; 224:1319-1323. [DOI: 10.1016/j.amjsurg.2022.06.017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 06/15/2022] [Accepted: 06/23/2022] [Indexed: 11/26/2022]
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16
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Prehospital activation of a coordinated multidisciplinary hospital response in preparation for patients with severe hemorrhage. A state-wide data linkage study of the New South Wales "Code Crimson" pathway. J Trauma Acute Care Surg 2022; 93:521-529. [PMID: 35261372 DOI: 10.1097/ta.0000000000003585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Hemorrhage is a leading cause of preventable death in trauma. Prehospital medical teams can streamline access to massive transfusion and definitive hemorrhage control by alerting in-hospital trauma teams of suspected life-threatening bleeding in unstable patients. This study reports the initial experience of an Australian "Code Crimson" pathway facilitating early multidisciplinary care for these patients. METHODS This data-linkage study combined prehospital databases with a trauma registry of patients with an ISS > 12 between 2017 and 2019. Four groups were created; prehospital Code Crimson (CC) activation with and without in-hospital links and patients with inpatient treatment consistent with CC, without one being activated. Diagnostic accuracy was estimated using capture-recapture methodology to replace the missing cell (no prehospital CC and ISS < 12). RESULTS Of 72 prehospital CC patients, 50 were linked with hospital data. Of 154 potentially missed patients, 42 had a prehospital link. Most CC patients were young males who sustained blunt trauma and required more prehospital interventions than non-CC patients. CC patients had more multisystem trauma, especially complex thoracic injuries (80%), while missed-CC patients more frequently had single organ injuries (59%). CC patients required fewer hemorrhage control procedures (60% vs 86%). Lower mortality was observed in CC patients despite greater hospital and ICU length of stay. Despite a low sensitivity (0.49, 95%CI 0.38-0.61) and good specificity (0.92, 95%CI 0.86-0.96), the positive likelihood ratio was acceptable (6.42, 95%CI 3.30-12.48). CONCLUSIONS The initiation of a state-wide Code Crimson process was highly specific for the need for hemorrhage control intervention in hospital, but further work is required to improve the sensitivity of prehospital activation. Patients who had a Code Crimson activation sustained more multisystem trauma but had lower mortality than those who did not. These results guide measures to improve this pathway. LEVEL OF EVIDENCE Level III, Therapeutic/Care management.
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17
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To give or not to give? Blood for pediatric trauma patients prior to pediatric trauma center arrival. Pediatr Surg Int 2022; 38:285-293. [PMID: 34605987 PMCID: PMC8488921 DOI: 10.1007/s00383-021-05015-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/13/2021] [Indexed: 11/01/2022]
Abstract
PURPOSE This study evaluates the indications, safety and clinical outcomes associated with the administration of blood products prior to arrival at a pediatric trauma center (prePTC). METHODS Children (≤ 18 years) who were highest level activations at an ACS level 1 pediatric trauma center (PTC) from 2009-2019 were divided into groups:(1) patients with transport times < 4 h who received blood prePTC(preBlood) versus (2) age matched controls with transport times < 4 h who only received crystalloid prePTC (preCrystalloid). RESULTS Of 1269 trauma activations, 38 met preBlood and 38 met preCrystalloid inclusion criteria. A similar volume of prePTC crystalloid infusion was observed between cohorts (p = 0.311). PreBlood patients evidenced greater hemodynamic instability as demonstrated by higher prePTC pediatric age-adjusted shock index (SIPA) scores. PreBlood patients showed improvement in lactate (p = 0.038) and hemoglobin (p = 0.041) levels upon PTC arrival. PreBlood patients received less crystalloid within 12 h of PTC admission (p = 0.017). No significant differences were found in blood transfusion volumes within six (p = 0.293) and twenty-four (p = 0.575) hours of admission, nor in mortality between cohorts (p = 0.091). CONCLUSIONS The administration of blood to pediatric trauma patients prior to arrival at a PTC is safe, transiently improves markers of shock, and was not associated with worse outcomes.
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Qasim Z, Butler FK, Holcomb JB, Kotora JG, Eastridge BJ, Brohi K, Scalea TM, Schwab CW, Drew B, Gurney J, Jansen JO, Kaplan LJ, Martin MJ, Rasmussen TE, Shackelford SA, Bank EA, Braude D, Brenner M, Guyette FX, Joseph B, Hinckley WR, Sperry JL, Duchesne J. Selective Prehospital Advanced Resuscitative Care - Developing a Strategy to Prevent Prehospital Deaths From Noncompressible Torso Hemorrhage. Shock 2022; 57:7-14. [PMID: 34033617 DOI: 10.1097/shk.0000000000001816] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Hemorrhage, and particularly noncompressible torso hemorrhage remains a leading cause of potentially preventable prehospital death from trauma in the United States and globally. A subset of severely injured patients either die in the field or develop irreversible hemorrhagic shock before they can receive hospital definitive care, resulting in poor outcomes. The focus of this opinion paper is to delineate (a) the need for existing trauma systems to adapt so that potentially life-saving advanced resuscitation and truncal hemorrhage control interventions can be delivered closer to the point-of-injury in select patients, and (b) a possible mechanism through which some trauma systems can train and incorporate select prehospital advanced resuscitative care teams to deliver those interventions.
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Affiliation(s)
- Zaffer Qasim
- Departments of Emergency Medicine and Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Frank K Butler
- Uniformed Services University, Consultant in Tactical Combat Casualty Care, Joint Trauma System, San Antonio, Texas
| | - John B Holcomb
- Center for Injury Science, University of Alabama at Birmingham, Birmingham, Alabama
| | - Joseph G Kotora
- Navy Medicine Readiness and Training Command, Naval Medical Forces Atlantic, Portsmouth, Virginia
| | - Brian J Eastridge
- Division of Trauma and Emergency General Surgery, University of Texas Health Science Center at San Antonio, San Antonio, Texas
| | - Karim Brohi
- Center for Trauma Sciences, Queen Mary, University of London, London, UK
| | - Thomas M Scalea
- R Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, Baltimore, Maryland
| | - C William Schwab
- Division of Traumatology and Surgical Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Brendon Drew
- Joint Trauma System Committee on Tactical Combat Casualty Care, Camp Pendleton, California
| | - Jennifer Gurney
- US Army Institute of Surgical Research, Defense Committee on Trauma, Joint Trauma System, San Antonio, Texas
| | - Jan O Jansen
- Center for Injury Science, University of Alabama at Birmingham, Birmingham, Alabama
| | - Lewis J Kaplan
- Division of Traumatology and Surgical Critical Care, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, Pennsylvania
| | - Matthew J Martin
- Department of Surgery, Scripps Mercy Hospital, San Diego, California
| | - Todd E Rasmussen
- F. Edward Hebert School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Stacy A Shackelford
- US Army Institute of Surgical Research, Defense Committee on Trauma, Joint Trauma System, San Antonio, Texas
| | - Eric A Bank
- Harris County Emergency Services District, Houston, Texas
| | - Darren Braude
- Division of Prehospital, Austere, and Disaster Medicine, The University of New Mexico Health Sciences Center, Albuquerque, New Mexico
| | - Megan Brenner
- Department of Surgery, University of California, Riverside, Riverside, California
| | - Francis X Guyette
- Department of Emergency Medicine, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Bellal Joseph
- Division of Trauma, Critical Care, Burns, and Emergency Surgery, The University of Arizona, Tucson, Arizona
| | - William R Hinckley
- Department of Emergency Medicine, University of Cincinnati, Cincinnati, Ohio
| | - Jason L Sperry
- Section of Trauma and Acute Care Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania
| | - Juan Duchesne
- Division of Trauma, Acute Care, and Critical Care Surgery, Tulane University, New Orleans, Louisiana
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Bjerkvig CK, Strandenes G, Hervig T, Sunde GA, Apelseth TO. Prehospital Whole Blood Transfusion Programs in Norway. Transfus Med Hemother 2021; 48:324-331. [PMID: 35082563 PMCID: PMC8739851 DOI: 10.1159/000519676] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 09/15/2021] [Indexed: 01/15/2024] Open
Abstract
BACKGROUND Prehospital management of severe hemorrhage has evolved significantly in Norwegian medical emergency services in the last 10 years. Treatment algorithms for severe bleeding were previously focused on restoration of the blood volume by administration of crystalloids and colloids, but now the national trauma system guidelines recommend early balanced transfusion therapy according to remote damage control resuscitation principles. MATERIALS AND METHODS This survey describes the implementation, utilization, and experience of the use of low titer group O whole blood (LTOWB) and blood components in air ambulance services in Norway. Medical directors from all air ambulance bases in Norway as well as the blood banks that support LTOWB were invited to participate. RESULTS Medical directors from all 13 helicopter emergency medical services (HEMS) bases, the 7 search and rescue (SAR) helicopter bases, and the 4 blood banks that support HEMS with LTOWB responded to the survey. All HEMS and SAR helicopter services carry LTOWB or blood components. Four of 20 (20%) HEMS bases have implemented LTOWB. A majority of services (18/20, 90%) have a preference for LTOWB, primarily because LTOWB enables early balanced transfusion and has logistical benefits in time-critical emergencies and during prolonged evacuations. CONCLUSION HEMS services and blood banks report favorable experiences in the implementation and utilization of LTOWB. Prehospital balanced blood transfusion using whole blood is feasible in Norway.
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Affiliation(s)
- Christopher Kalhagen Bjerkvig
- Department of Anesthesia and Intensive Care, Haukeland University Hospital, Bergen, Norway
- Norwegian Naval Special Operations Commando, Norwegian Armed Forces, Bergen, Norway
- Institute of Clinical Science, University of Bergen, Bergen, Norway
- Helicopter Emergency Medical Services, HEMS-Bergen, Bergen, Norway
| | - Geir Strandenes
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
- Department of War Surgery and Emergency Medicine, Norwegian Armed Forces, Medical Services, Oslo, Norway
| | - Tor Hervig
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
- Laboratory of Immunology and Transfusion Medicine, Haugesund Hospital, Haugesund, Norway
| | - Geir Arne Sunde
- Department of Anesthesia and Intensive Care, Haukeland University Hospital, Bergen, Norway
- Helicopter Emergency Medical Services, HEMS-Bergen, Bergen, Norway
| | - Torunn Oveland Apelseth
- Institute of Clinical Science, University of Bergen, Bergen, Norway
- Department of Immunology and Transfusion Medicine, Haukeland University Hospital, Bergen, Norway
- Department of War Surgery and Emergency Medicine, Norwegian Armed Forces, Medical Services, Oslo, Norway
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20
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Tucker H, Avery P, Brohi K, Davenport R, Griggs J, Weaver A, Green L. Outcome measures used in clinical research evaluating prehospital blood component transfusion in traumatically injured bleeding patients: A systematic review. J Trauma Acute Care Surg 2021; 91:1018-1024. [PMID: 34254958 DOI: 10.1097/ta.0000000000003360] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Trial outcomes should be relevant to all stakeholders and allow assessment of interventions' efficacy and safety at appropriate timeframes. There is no consensus regarding outcome measures in the growing field of prehospital trauma transfusion research. Harmonization of future clinical outcome reporting is key to facilitate interstudy comparisons and generate cohesive, robust evidence to guide practice. The objective of this study was to evaluate outcome measures reported in prehospital trauma transfusion trials. METHODS Data Sources, Eligibility Criteria, Participants, and InterventionsWe conducted a scoping systematic review to identify the type, number, and definitions of outcomes reported in randomized controlled trials, and prospective and retrospective observational cohort studies investigating prehospital blood component transfusion in adult and pediatric patients with traumatic hemorrhage. Electronic database searching of PubMed, Embase, Web of Science, Cochrane, OVID, clinical trials.gov, and the Transfusion Evidence Library was completed in accordance with Preferred Reporting Items for Meta-analyses guidelines.Study Appraisal and Synthesis MethodsTwo review authors independently extracted outcome data. Unique lists of salutogenic (patient-reported health and wellbeing outcomes) and nonsalutogenic focused outcomes were established. RESULTS A total of 3,471 records were identified. Thirty-four studies fulfilled the inclusion criteria: 4 military (n = 1,566 patients) and 30 civilian (n = 14,398 patients), all between 2000 and 2020. Two hundred twelve individual non-patient-reported outcomes were identified, which collapsed into 20 outcome domains with varied definitions and timings. All primary outcomes measured effectiveness, rather than safety or complications. Sixty-nine percent reported mortality, with 11 different definitions. No salutogenic outcomes were reported. CONCLUSION There is heterogeneity in outcome reporting and definitions, an absence of patient-reported outcome, and an emphasis on clinical effectiveness rather than safety or adverse events in prehospital trauma transfusion trials. We recommend stakeholder consultation and a Delphi process to develop a clearly defined minimum core outcome set for prehospital trauma transfusion trials. LEVEL OF EVIDENCE Scoping systematic review, level III.
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Affiliation(s)
- Harriet Tucker
- From the Centre for Trauma Sciences, Blizard Institute (H.T., K.B., R.D., L.G.), Queen Mary University of London, London, United Kingdom; Southmead Hospital (P.A.), North Bristol NHS Trust, Bristol, United Kingdom; Learning and Development (P.A.), South Western Ambulance Service NHS Foundation Trust, Bristol, United Kingdom; Air Ambulance Kent Surrey Sussex (J.G., H.T.), Rochester, United Kingdom; Faculty of Health Sciences (J.G.), University of Surrey, Guildford, United Kingdom; London's Air Ambulance (A.W.), London, United Kingdom; Barts Health NHS Foundation Trust (K.B., R.D., A.W., L.G.), London, United Kingdom; and NHS Blood and Transplant (L.G.), London, United Kingdom
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21
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Bullock W, Schaefer R, Wampler D, Stringfellow M, Dieterle M, Winckler CC. Stewardship of Prehospital Low Titer O-Positive Whole Blood in a Large Urban Fire-Based EMS System. PREHOSP EMERG CARE 2021; 26:848-854. [PMID: 34644237 DOI: 10.1080/10903127.2021.1992052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Introduction: Trauma is the leading cause of death for those aged 1 to 46 years with most fatalities resulting from hemorrhage prior to arrival to hospital. Hemorrhagic shock patients receiving transfusion with 15 minutes experience lower mortality. Prehospital blood transfusion has many legal, fiduciary, and logistical issues. The San Antonio Fire Department participates in a consortium designed to enhance the stewardship of prehospital whole blood. This study aimed to stratify blood usage amongst the field supervisors and special operations units that carry whole blood. Methods: This was a 12-month retrospective analysis of blood usage. Blood tracking forms (used for either blood exchange of transfusion) were cross referenced with city financial records to determine blood usage patterns in the 7th Largest City in the US. We used descriptive statistics, compared usage ratios, and chi-square to compare dichotomized data. Results: A total of 363 whole blood units were obtained and 248 (68.3%) units of whole blood were transfused. EMS field supervisors transfused 74% of whole blood vs. 44% for special operations ambulances (p= <0.001). Response vehicles located in densely populated areas had the highest usage rates. All blood units were either transfused or returned for a zero blood unit wastage for expiration. Conclusion: The information contained within this work can provide other EMS agencies with a basic framework for comparison. The data from the SAFD's whole blood transfusion rate coupled with the clinical transfusion guideline has provided some insight for prospective agencies considering adopting a whole blood program. EMS systems and municipalities with similar characteristics can project their own whole blood needs and make informed decisions regarding program feasibility and design.
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22
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Cole E, Weaver A, Gall L, West A, Nevin D, Tallach R, O'Neill B, Lahiri S, Allard S, Tai N, Davenport R, Green L, Brohi K. A Decade of Damage Control Resuscitation: New Transfusion Practice, New Survivors, New Directions. Ann Surg 2021; 273:1215-1220. [PMID: 31651535 DOI: 10.1097/sla.0000000000003657] [Citation(s) in RCA: 74] [Impact Index Per Article: 24.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
OBJECTIVE The aim of this study was to identify the effects of recent innovations in trauma major hemorrhage management on outcome and transfusion practice, and to determine the contemporary timings and patterns of death. BACKGROUND The last 10 years have seen a research-led change in hemorrhage management to damage control resuscitation (DCR), focused on the prevention and treatment of trauma-induced coagulopathy. METHODS A 10-year retrospective analysis of prospectively collected data of trauma patients who activated the Major Trauma Centre's major hemorrhage protocol (MHP) and received at least 1 unit of red blood cell transfusions (RBC). RESULTS A total of 1169 trauma patients activated the MHP and received at least 1 unit of RBC, with similar injury and admission physiology characteristics over the decade. Overall mortality declined from 45% in 2008 to 27% in 2017, whereas median RBC transfusion rates dropped from 12 to 4 units (massive transfusion rates from 68% to 24%). The proportion of deaths within 24 hours halved (33%-16%), principally with a fall in mortality between 3 and 24 hours (30%-6%). Survivors are now more likely to be discharged to their own home (57%-73%). Exsanguination is still the principal cause of early deaths, and the mortality associated with massive transfusion remains high (48%). Late deaths are now split between those due to traumatic brain injury (52%) and multiple organ dysfunction (45%). CONCLUSIONS There have been remarkable reductions in mortality after major trauma hemorrhage in recent years. Mortality rates continue to be high and there remain important opportunities for further improvements in these patients.
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Affiliation(s)
- Elaine Cole
- Blizard Institute, Queen Mary University of London, London, United Kingdom
| | - Anne Weaver
- Barts Health NHS Trust, London, United Kingdom
| | - Lewis Gall
- Blizard Institute, Queen Mary University of London, London, United Kingdom
| | - Anita West
- Barts Health NHS Trust, London, United Kingdom
| | | | | | | | | | | | - Nigel Tai
- Barts Health NHS Trust, London, United Kingdom
- Academic Departments of Military Surgery, Trauma and Anaesthesia, Royal Centre for Defence Medicine, Birmingham, United Kingdom
| | - Ross Davenport
- Blizard Institute, Queen Mary University of London, London, United Kingdom
- Barts Health NHS Trust, London, United Kingdom
| | - Laura Green
- Blizard Institute, Queen Mary University of London, London, United Kingdom
- Barts Health NHS Trust, London, United Kingdom
- NHS Blood and Transplant, London, United Kingdom
| | - Karim Brohi
- Blizard Institute, Queen Mary University of London, London, United Kingdom
- Barts Health NHS Trust, London, United Kingdom
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Komori A, Iriyama H, Aoki M, Deshpande GA, Saitoh D, Naito T, Abe T. Assessment of blood consumption score for pediatrics predicts transfusion requirements for children with trauma. Medicine (Baltimore) 2021; 100:e25014. [PMID: 33655972 PMCID: PMC7939166 DOI: 10.1097/md.0000000000025014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Accepted: 02/12/2021] [Indexed: 01/04/2023] Open
Abstract
Although transfusion is a primary life-saving technique, the assessment of transfusion requirements in children with trauma at an early stage is challenging. We aimed to develop a scoring system for predicting transfusion requirements in children with trauma.This was a case-control study that employed a nationwide registry of patients with trauma (Japan Trauma Data Bank) and included patients aged <16 years with blunt trauma between 2004 and 2015. An assessment of blood consumption score for pediatrics (ped-ABC score) was developed based on previous literatures and clinical relevance. One point was assigned for each of the following criteria: systolic blood pressure ≤90 mm Hg, heart rate ≥120/min, Glasgow coma scale (GCS) score <15, and positive focused assessment with sonography for trauma (FAST) scan. For sensitivity analysis, we assessed age-adjusted ped-ABC scores using cutoff points for different ages.Among 5943 pediatric patients with trauma, 540 patients had transfusion within 24 hours after trauma. The in-hospital mortality rate was 2.6% (145/5615). The transfusion rate increased from 7.6% (430/5631) to 35.3% (110/312) in patients with systolic blood pressure ≤90 mm Hg (1 point), from 6.1% (276/4504) to 18.3% (264/1439) in patients with heart rate ≥120/min (1 point), from 4.1% (130/3198) to 14.9% (410/2745) in patients with disturbance of consciousness with GCS score <15 (1 point), and from 7.4% (400/5380) to 24.9% (140/563) in patients with positive FAST scan (1 point). Ped-ABC scores of 0, 1, 2, 3, and 4 points were associated with transfusion rates of 2.2% (48/2210), 7.5% (198/2628), 19.8% (181/912), 53.3% (88/165), and 89.3% (25/28), respectively. After age adjustment, c-statistic was 0.76 (95% confidence interval, 0.74-0.78).The ped-ABC score using vital signs and FAST scan may be helpful in predicting the requirement for transfusion within 24 hours in children with trauma.
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Affiliation(s)
- Akira Komori
- Department of General Medicine, Juntendo University, Tokyo
| | - Hiroki Iriyama
- Department of General Medicine, Juntendo University, Tokyo
| | - Makoto Aoki
- Department of Emergency Medicine, Gunma University Graduate School of Medicine, Maebashi
| | | | - Daizoh Saitoh
- Department of Traumatology and Emergency Medicine, National Defense Medical College, Tokorozawa
| | - Toshio Naito
- Department of General Medicine, Juntendo University, Tokyo
| | - Toshikazu Abe
- Department of Emergency and Critical Care Medicine, Tsukuba Memorial Hospital
- Department of Health Services Research, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
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Prehospital end-tidal CO2 as an early marker for transfusion requirement in trauma patients. Am J Emerg Med 2020; 45:254-257. [PMID: 33041114 DOI: 10.1016/j.ajem.2020.08.056] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2020] [Revised: 08/12/2020] [Accepted: 08/17/2020] [Indexed: 11/22/2022] Open
Abstract
OBJECTIVE Below normal end-tidal carbon dioxide measurement (ETCO2) is associated with worse outcomes in sepsis and trauma patients as compared to patients with normal ETCO2. We sought to determine if ETCO2 can be used in the prehospital setting to predict transfusion requirement, operative hemorrhage control, or mortality in the first 24 h after admission for trauma. METHODS This is a retrospective cohort study at a suburban, academic Level 1 Trauma Center. Patients were sequentially identified as prehospital trauma alerts from a single EMS system which requires, per policy, ETCO2 for all traumas. One year of prehospital data was collected and paired with hospital trauma registry data. Comparisons were made between ETCO2 values for patients who required transfusion, operative blood loss control, or who died, and those who did not. RESULTS Two hundred thirty-five trauma patients were transported via the study EMS system, of which 105 (44.7%) had documented ETCO2 values. Patient mean age was 60 (SD24) years with 59 (56.2%) male. Three patients were intubated prehospital and seven were intubated in the trauma bay. Mean prehospital ETCO2 for those who needed transfusion, surgery, or died (n = 11) was 25.7 (9.1) compared to 30.6 (7.8) for those who did not (p = 0.049). Optimal cutoff for our population was EtCO2 ≤ 27 with a sensitivity of 72.7% (95% CI 32-93) and specificity of 72.2% (62-81). CONCLUSION Below normal ETCO2 values were associated with increase need for transfusion, operative intervention, and death. Further study is warranted to determine if ETCO2 outperforms other predictors of severe trauma.
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Cassignol A, Marmin J, Mattei P, Goffinet L, Pons S, Renard A, Demory D, Bordes J. Civilian prehospital transfusion - experiences from a French region. Vox Sang 2020; 115:745-755. [PMID: 32895933 DOI: 10.1111/vox.12984] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 05/23/2020] [Accepted: 07/07/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND AND OBJECTIVES Haemorrhagic shock is a leading cause of avoidable mortality in prehospital care. For several years, our centre has followed a procedure of transfusing two units of packed red blood cells outside the hospital. Our study's aim was twofold: describe the patient characteristics of those receiving prehospital blood transfusions and analyse risk factors for the 7-day mortality rate. MATERIALS AND METHODS We performed a monocentric retrospective observational study. Demographic and physiological data were recovered from medical records. The primary outcome was mortality at seven days for all causes. All patients receiving prehospital blood transfusions between 2013 and 2018 were included. RESULTS Out of 116 eligible patients, 56 patients received transfusions. Trauma patients (n = 18) were younger than medical patients (n = 38) (P = 0·012), had lower systolic blood pressure (P = 0·001) and had higher haemoglobin levels (P = 0·016). Mortality was higher in the trauma group than the medical group (P = 0·015). In-hospital trauma patients received more fresh-frozen plasma and platelet concentrate than medical patients (P < 0·05). Predictive factors of 7-day mortality included transfusion for trauma-related reasons, low Glasgow Coma Scale, low peripheral oxygen saturation, prehospital intensive resuscitation, existing coagulation disorders, acidosis and hyperlactataemia (P < 0·05). CONCLUSION Current guidelines recommend early transfusion in patients with haemorrhagic shock. Prehospital blood transfusions are safe. Coagulation disorders and acidosis remain a cause of premature death in patients with prehospital transfusions.
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Affiliation(s)
- Arnaud Cassignol
- SMUR Department, Timone Hospital, Aix-Marseille University, Marseille, France
| | - Julien Marmin
- SMUR Department, Timone Hospital, Aix-Marseille University, Marseille, France
| | - Pascal Mattei
- SMUR Department, Sainte-Musse Public Hospital, Toulon, France
| | - Léa Goffinet
- French Blood Establishment, Sainte-Musse Public Hospital, Toulon, France
| | - Sandrine Pons
- French Blood Establishment, Sainte-Anne Military Hospital, Toulon, France
| | - Aurélien Renard
- Emergency Department, Sainte-Anne Military Hospital, Toulon, France
| | - Didier Demory
- Clinical Research Unit, Sainte-Musse Public Hospital, Toulon, France
| | - Julien Bordes
- Anesthesia and Intensive Care Department, Sainte-Anne Military Hospital, Toulon, France
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Puzio TJ, Kalkwarf K, Cotton BA. Predicting the need for massive transfusion in the prehospital setting. Expert Rev Hematol 2020; 13:983-989. [PMID: 32746651 DOI: 10.1080/17474086.2020.1803735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
INTRODUCTION Massive transfusion (MT) prediction scores allowed for the early identification of patients with massive hemorrhage likely to require large volumes of blood products. Despite their utility, very few MT scoring systems have shown promise in the pre-hospital setting due to their complexity and resource limitations. AREAS COVERED Pub med database was utilized to identify supporting literature for this review which discusses the importance of blood-based resuscitation and highlights the utility of scoring systems to predict the need of massive transfusion. MTP scoring systems effective in the prehospital setting are specifically discussed. EXPERT OPINION Massive transfusions scores are useful in alerting hospitals to the severity of trauma patients and organizing resources necessary for appropriate patient care but should not completely replace clinical . The opportunity exists to extend their use to the pre-hospital setting to allow for even earlier notification and to triage patients to trauma centers best able to treat severely injured.
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Affiliation(s)
- Thaddeus J Puzio
- Department of Surgery and the Center for Translational Injury Research, University of Texas Health Science Center , Houston, TX, USA
| | - Kyle Kalkwarf
- Department of Surgery, University of Arkansas Medical Sciences , Little Rock, AR, USA
| | - Bryan A Cotton
- Department of Surgery and the Center for Translational Injury Research, University of Texas Health Science Center , Houston, TX, USA
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Kinslow K, McKenney M, Boneva D, Elkbuli A. Massive transfusion protocols in paediatric trauma population: A systematic review. Transfus Med 2020; 30:333-342. [DOI: 10.1111/tme.12701] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2019] [Revised: 03/10/2020] [Accepted: 05/19/2020] [Indexed: 12/16/2022]
Affiliation(s)
- Kyle Kinslow
- Department of Surgery Kendall Regional Medical Center Miami Florida USA
| | - Mark McKenney
- Department of Surgery Kendall Regional Medical Center Miami Florida USA
- University of South Florida Tampa Florida USA
| | - Dessy Boneva
- Department of Surgery Kendall Regional Medical Center Miami Florida USA
- University of South Florida Tampa Florida USA
| | - Adel Elkbuli
- Department of Surgery Kendall Regional Medical Center Miami Florida USA
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Vuorinen P, Kiili JE, Setälä P, Kämäräinen A, Hoppu S. Prehospital administration of blood products: experiences from a Finnish physician-staffed helicopter emergency medical service. BMC Emerg Med 2020; 20:55. [PMID: 32635889 PMCID: PMC7341661 DOI: 10.1186/s12873-020-00350-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 06/25/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Massive infusions of crystalloids into bleeding hypotensive patients can worsen the outcome. Military experience suggests avoiding crystalloids using early damage control resuscitation with blood components in out of hospital setting. Civilian emergency medical services have since followed this idea. We describe our red blood cell protocol in helicopter emergency medical services (HEMS) and initial experience with prehospital blood products from the first 3 years after implementation. METHODS We performed an observational study of patients attended by the HEMS unit between 2015 and 2018 to whom packed red blood cells, freeze-dried plasma, or both were transfused. The Student's two-sided T-test was used to compare vitals in prehospital phase with those at the hospital's emergency department. A p-value < 0.05 was considered significant. RESULTS Altogether, 62 patients received prehospital transfusions. Of those, 48 (77%) were trauma patients and most (n = 39, 81%) suffered blunt trauma. The transfusion began at a median of 33 (IQR 21-47) minutes before hospital arrival. Median systolic blood pressure showed an increase from 90 mmHg (IQR 75-111 mmHg) to 107 mmHg (IQR 80-124 mmHg; P < 0.026) during the prehospital phase. Four units of red blood cells were handled incorrectly when unused red blood cells were returned and required disposal during a three-year period. There were no reported adverse effects from prehospital transfusions. CONCLUSION We treated two patients per month with prehospital blood products. A prehospital physician-staffed HEMS unit carrying blood products is a feasible and safe method to start transfusion roughly 30 min before arrival to the hospital. TRIAL REGISTRATION The study was retrospectively registered by the Tampere University Hospital's Medical Director (R19603) 5.11.2019.
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Affiliation(s)
- Pauli Vuorinen
- Emergency Medical Services, Tampere University Hospital, PO Box 2000, FI-33521, Tampere, Finland.
| | - Joonas-Eemeli Kiili
- Emergency Medical Services, Tampere University Hospital, PO Box 2000, FI-33521, Tampere, Finland.,Faculty of Medicine and Health Technology, Tampere University, PO Box 2000, FI-33520, Tampere, Finland
| | - Piritta Setälä
- Emergency Medical Services, Tampere University Hospital, PO Box 2000, FI-33521, Tampere, Finland
| | - Antti Kämäräinen
- Emergency Medical Services, Tampere University Hospital, PO Box 2000, FI-33521, Tampere, Finland.,Department of Emergency Medicine, Hyvinkää District Hospital, Hyvinkää, Finland
| | - Sanna Hoppu
- Emergency Medical Services, Tampere University Hospital, PO Box 2000, FI-33521, Tampere, Finland
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Hall A, Qureshi I, Brumagen K, Glaser J. Maintaining vascular trauma proficiency for military non-vascular surgeons. Trauma Surg Acute Care Open 2020; 5:e000475. [PMID: 32596506 PMCID: PMC7312323 DOI: 10.1136/tsaco-2020-000475] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 04/29/2020] [Accepted: 05/04/2020] [Indexed: 11/11/2022] Open
Abstract
Background Vascular injuries in combat casualty patients are common and remain an ongoing concern. In civilian trauma centers, vascular surgeons are frequently available to treat vascular injuries. Within the military, vascular surgeons are not available at all locations where specialty expertise may be optimal. This study aims to determine if a visiting surgeon model, where a general surgeon can visit a civilian trauma center, would be practical in maintaining proficiency in vascular surgery. Methods All vascular trauma relevant cases done by any surgical service were identified during a 2-year period at Saint Louis University Hospital between October 1, 2016 and September 30, 2018. These included cases performed by trauma/general, thoracic, vascular, and orthopedic surgery. Predictions on the number of call days to experience an operative case were then calculated. Results A total of 316 vascular cases were performed during the time period. A surgeon on call for five 24-hour shifts would experience 2.1 urgent vascular cases with 95% certainty. To achieve five cases with 95% certainty, a surgeon would have to be on call for 34 24-hour shifts. Discussion A visiting surgeon model would be very difficult to maintain to acquire or maintain proficiency in vascular surgery. High-volume trauma centers, or centers with significant open vascular cases in addition to trauma, may have more reasonable time requirements, but would have to be evaluated using these methods. Level of evidence Economic and value-based evaluations, level II.
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Affiliation(s)
- Andrew Hall
- Surgery, 96th Medical Group, US Air Force Regional Hospital, Eglin AFB, Florida, USA
| | - Iram Qureshi
- Biomaterials and Epidemiology, Naval Medical Research Unit San Antonio, San Antonio, Texas, USA
| | - Kegan Brumagen
- Surgery, Keesler Air Force Base, Biloxi, Mississippi, USA
| | - Jacob Glaser
- Austin Shock Trauma, St. David's South Austin Medical Center, Austin, Texas, USA.,Naval Medical Research San Antonio, San Antonio, Texas, USA
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The why and how our trauma patients die: A prospective Multicenter Western Trauma Association study. J Trauma Acute Care Surg 2020; 86:864-870. [PMID: 30633095 DOI: 10.1097/ta.0000000000002205] [Citation(s) in RCA: 95] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Historically, hemorrhage has been attributed as the leading cause (40%) of early death. However, a rigorous, real-time classification of the cause of death (COD) has not been performed. This study sought to prospectively adjudicate and classify COD to determine the epidemiology of trauma mortality. METHODS Eighteen trauma centers prospectively enrolled all adult trauma patients at the time of death during December 2015 to August 2017. Immediately following death, attending providers adjudicated the primary and contributing secondary COD using standardized definitions. Data were confirmed by autopsies, if performed. RESULTS One thousand five hundred thirty-six patients were enrolled with a median age of 55 years (interquartile range, 32-75 years), 74.5% were male. Penetrating mechanism (n = 412) patients were younger (32 vs. 64, p < 0.0001) and more likely to be male (86.7% vs. 69.9%, p < 0.0001). Falls were the most common mechanism of injury (26.6%), with gunshot wounds second (24.3%). The most common overall primary COD was traumatic brain injury (TBI) (45%), followed by exsanguination (23%). Traumatic brain injury was nonsurvivable in 82.2% of cases. Blunt patients were more likely to have TBI (47.8% vs. 37.4%, p < 0.0001) and penetrating patients exsanguination (51.7% vs. 12.5%, p < 0.0001) as the primary COD. Exsanguination was the predominant prehospital (44.7%) and early COD (39.1%) with TBI as the most common later. Penetrating mechanism patients died earlier with 80.1% on day 0 (vs. 38.5%, p < 0.0001). Most deaths were deemed disease-related (69.3%), rather than by limitation of further aggressive care (30.7%). Hemorrhage was a contributing cause to 38.8% of deaths that occurred due to withdrawal of care. CONCLUSION Exsanguination remains the predominant early primary COD with TBI accounting for most deaths at later time points. Timing and primary COD vary significantly by mechanism. Contemporaneous adjudication of COD is essential to elucidate the true understanding of patient outcome, center performance, and future research. LEVEL OF EVIDENCE Epidemiologic, level II.
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Englert Z, Kinard J, Qureshi I, Glaser J, Hall A. Heterogeneity in Military Trauma Casualty Care. Mil Med 2020; 185:e35-e37. [PMID: 31247094 DOI: 10.1093/milmed/usz158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 05/01/2019] [Accepted: 06/07/2019] [Indexed: 11/14/2022] Open
Abstract
INTRODUCTION Military combat casualty care is at the forefront of military medical readiness, but there is little data on current proficiency of deployed personnel. A previous study identified a potential performance gap in military trauma teams. This study aims to evaluate a subsequent team to determine if heterogeneity of teams exists and to determine if this level of efficiency persists or can be improved. MATERIALS AND METHODS Military trauma teams at the Role 3 hospital in Bagram, Afghanistan, were evaluated over the course of a single deployment between April and October 2018. Trauma teams were directly observed and performance of the ATLS primary trauma survey timed. These results were compared to previously published times from Kandahar and Bagram Role 3 sites from Oct 2016 to Apr 2017. RESULTS Time to completion of the primary survey in 2018 was statistically faster than the times reported from the Role 3 sites from Oct 2016 to Apr 2017 (344.75 s vs. 482.8 s, p < 0.05). The greatest improvements of efficiency were in the time periods between assessing the airway and breathing, evaluating the patient's circulation, and completing of the primary survey. CONCLUSIONS Trauma teams can vary significantly in their efficiency in evaluating trauma patients. Whether this is clinically significant is currently debatable, but it highlights a possible readiness gap for deploying military personnel and the heterogeneity of military combat casualty care.
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Affiliation(s)
- Zachary Englert
- Center for the Sustainment of Trauma and Readiness Skills, 3635 Vista Ave, St. Louis, MO 63110
| | | | - Iram Qureshi
- Naval Medical Research Unit San Antonio, 3698 Chambers Rd, San Antonio, TX 78234
| | - Jacob Glaser
- Naval Medical Research Unit San Antonio, 3698 Chambers Rd, San Antonio, TX 78234
| | - Andrew Hall
- Center for the Sustainment of Trauma and Readiness Skills, 3635 Vista Ave, St. Louis, MO 63110
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Valproic acid improves survival and decreases resuscitation requirements in a swine model of prolonged damage control resuscitation. J Trauma Acute Care Surg 2020; 87:393-401. [PMID: 31206419 DOI: 10.1097/ta.0000000000002281] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND Although damage control resuscitation (DCR) is routinely performed for short durations, prolonged DCR may be required in military conflicts as a component of prolonged field care. Valproic acid (VPA) has been shown to have beneficial properties in lethal hemorrhage/trauma models. We sought to investigate whether the addition of a single dose of VPA to a 72-hour prolonged DCR protocol would improve clinical outcomes. METHODS Fifteen Yorkshire swine (40-45 kg) were subjected to lethal (50% estimated total blood volume) hemorrhagic shock (HS) and randomized to three groups: (1) HS, (2) HS-DCR, (3) HS-DCR-VPA (150 mg/kg over 3 hours) (n = 5/cohort). In groups assigned to receive DCR, Tactical Combat Casualty Care guidelines were applied (1 hour into the shock period), targeting a systolic blood pressure of 80 mm Hg. At 72 hours, surviving animals were given transfusion of packed red blood cells, simulating evacuation to higher echelons of care. Survival rates, physiologic parameters, resuscitative fluid requirements, and laboratory profiles were used to compare the clinical outcomes. RESULTS This model was 100% lethal in the untreated animals. DCR improved survival to 20%, although this was not statistically significant. The addition of VPA to DCR significantly improved survival to 80% (p < 0.01). The VPA-treated animals also had significantly (p < 0.05) higher systolic blood pressures, lower fluid resuscitation requirements, higher hemoglobin levels, and lower creatinine and potassium levels. CONCLUSION VPA administration improves survival, decreases resuscitation requirements, and improves hemodynamic and laboratory parameters when added to prolonged DCR in a lethal hemorrhage model.
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Prehospital lactate improves prediction of the need for immediate interventions for hemorrhage after trauma. Sci Rep 2019; 9:13755. [PMID: 31551513 PMCID: PMC6760524 DOI: 10.1038/s41598-019-50253-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Accepted: 08/16/2019] [Indexed: 11/08/2022] Open
Abstract
The blood lactate level is used to guide the management of trauma patients with circulatory disturbance. We hypothesized that blood lactate levels at the scene (Lac scene) could improve the prediction for immediate interventions for hemorrhage. We prospectively measured blood lactate levels and assessed retrospectively in 435 trauma patients both at the scene and on arrival at the emergency room (ER) of a level I trauma center. Primary outcome was immediate intervention for hemorrhage defined as surgical/radiological intervention and/or blood transfusion within 24 h. Physiological variables plus Lac scene significantly increased the predictive value for immediate intervention (area under the curve [AUC] 0.882, 95% confidence interval [CI] 0.839-0.925) compared to that using physiological variables only (AUC 0.837, 95% CI 0.787-0.887, P = 0.0073), replicated in the validation cohort (n = 85). There was no significant improvement in predicting value of physiological variables plus Lac scene for massive transfusion compared to physiological variables (AUC 0.903 vs 0.895, P = 0.32). The increased blood lactate level per minute from scene to ER was associated with increased probability for immediate intervention (P < 0.0001). Both adding Lac scene to physiological variables and the temporal elevation of blood lactate levels from scene to ER could improve the prediction of the immediate intervention.
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Gibler WB, Racadio JM, Hirsch AL, Roat TW. Management of Severe Bleeding in Patients Treated With Oral Anticoagulants: Proceedings Monograph From the Emergency Medicine Cardiac Research and Education Group-International Multidisciplinary Severe Bleeding Consensus Panel October 20, 2018. Crit Pathw Cardiol 2019; 18:143-166. [PMID: 31348075 DOI: 10.1097/hpc.0000000000000181] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In this Emergency Medicine Cardiac Research and Education Group (EMCREG)-International Proceedings Monograph from the October 20, 2018, EMCREG-International Multidisciplinary Consensus Panel on Management of Severe Bleeding in Patients Treated With Oral Anticoagulants held in Orlando, FL, you will find a detailed discussion regarding the treatment of patients requiring anticoagulation and the reversal of anticoagulation for patients with severe bleeding. For emergency physicians, critical care physicians, hospitalists, cardiologists, internists, surgeons, and family physicians, the current approach and disease indications for treatment with anticoagulants such as coumadin, factor IIa, and factor Xa inhibitors are particularly relevant. When a patient treated with anticoagulants presents to the emergency department, intensive care unit, or operating room with severe, uncontrollable bleeding, achieving rapid, controlled hemostasis is critically important to save the patient's life. This EMCREG-International Proceedings Monograph contains multiple sections reflecting critical input from experts in Emergency Cardiovascular Care, Prehospital Emergency Medical Services, Emergency Medicine Operations, Hematology, Hospital Medicine, Neurocritical Care, Cardiovascular Critical Care, Cardiac Electrophysiology, Cardiology, Trauma and Acute Care Surgery, and Pharmacy. The first section provides a description of the current indications for the treatment of patients using oral anticoagulants including coumadin, the factor IIa (thrombin) inhibitor dabigatran, and factor Xa inhibitors such as apixaban and rivaroxaban. In the remaining sections, the treatment of patients presenting to the hospital with major bleeding becomes the focus. The replacement of blood components including red blood cells, platelets, and clotting factors is the critically important initial treatment for these individuals. Reversing the anticoagulated state is also necessary. For patients treated with coumadin, infusion of vitamin K helps to initiate the process of protein synthesis for the vitamin K-dependent coagulation proteins II, VII, IX, and X and the antithrombotic protein C and protein S. Repletion of clotting factors for the patient with 4-factor prothrombin complex concentrate, which includes factors II (prothrombin), VII, IX, and X and therapeutically effective concentrations of the regulatory proteins (protein C and S), provides real-time ability to slow bleeding. For patients treated with the thrombin inhibitor dabigatran, treatment using the highly specific, antibody-derived idarucizumab has been demonstrated to reverse the hypocoagulable state of the patient to allow blood clotting. In May 2018, andexanet alfa was approved by the US Food and Drug Administration to reverse the factor Xa anticoagulants apixaban and rivaroxaban in patients with major bleeding. Before the availability of this highly specific agent, therapy for patients treated with factor Xa inhibitors presenting with severe bleeding usually included replacement of lost blood components including red blood cells, platelets, and clotting factors and 4-factor prothrombin complex concentrate, or if not available, fresh frozen plasma. The evaluation and treatment of the patient with severe bleeding as a complication of oral anticoagulant therapy are discussed from the viewpoint of the emergency physician, neurocritical and cardiovascular critical care intensivist, hematologist, trauma and acute care surgeon, hospitalist, cardiologist, electrophysiologist, and pharmacist in an approach we hope that the reader will find extremely practical and clinically useful. The clinician learner will also find the discussion of the resumption of oral anticoagulation for the patient with severe bleeding after effective treatment important because returning the patient to an anticoagulated state as soon as feasible and safe prevents thrombotic complications. Finally, an EMCREG-International Severe Bleeding Consensus Panel algorithm for the approach to management of patients with life-threatening oral anticoagulant-associated bleeding is provided for the clinician and can be expanded in size for use in a treatment area such as the emergency department or critical care unit.
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Mitra B, Bade-Boon J, Fitzgerald MC, Beck B, Cameron PA. Timely completion of multiple life-saving interventions for traumatic haemorrhagic shock: a retrospective cohort study. BURNS & TRAUMA 2019; 7:22. [PMID: 31360731 PMCID: PMC6637602 DOI: 10.1186/s41038-019-0160-5] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2019] [Accepted: 05/07/2019] [Indexed: 11/10/2022]
Abstract
Background Early control of haemorrhage and optimisation of physiology are guiding principles of resuscitation after injury. Improved outcomes have been previously associated with single, timely interventions. The aim of this study was to assess the association between multiple timely life-saving interventions (LSIs) and outcomes of traumatic haemorrhagic shock patients. Methods A retrospective cohort study was undertaken of injured patients with haemorrhagic shock who presented to Alfered Emergency & Trauma Centre between July 01, 2010 and July 31, 2014. LSIs studied included chest decompression, control of external haemorrhage, pelvic binder application, transfusion of red cells and coagulation products and surgical control of bleeding through angio-embolisation or operative intervention. The primary exposure variable was timely initiation of ≥ 50% of the indicated interventions. The association between the primary exposure variable and outcome of death at hospital discharge was adjusted for potential confounders using multivariable logistic regression analysis. The association between total pre-hospital times and pre-hospital care times (time from ambulance at scene to trauma centre), in-hospital mortality and timely initiation of ≥ 50% of the indicated interventions were assessed. Results Of the 168 patients, 54 (32.1%) patients had ≥ 50% of indicated LSI completed within the specified time period. Timely delivery of LSI was independently associated with improved survival to hospital discharge (adjusted odds ratio (OR) for in-hospital death 0.17; 95% confidence interval (CI) 0.03–0.83; p = 0.028). This association was independent of patient age, pre-hospital care time, injury severity score, initial serum lactate levels and coagulopathy. Among patients with pre-hospital time of ≥ 2 h, 2 (3.6%) received timely LSIs. Pre-hospital care times of ≥ 2 h were associated with delayed LSIs and with in-hospital death (unadjusted OR 4.3; 95% CI 1.4–13.0). Conclusions Timely completion of LSI when indicated was completed in a small proportion of patients and reflects previous research demonstrating delayed processes and errors even in advanced trauma systems. Timely delivery of a high proportion of LSIs was associated with improved outcomes among patients presenting with haemorrhagic shock after injury. Provision of LSIs in the pre-hospital phase of trauma care has the potential to improve outcomes.
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Affiliation(s)
- Biswadev Mitra
- 1National Trauma Research Institute, The Alfred Hospital, 89 Commercial Road, Melbourne, VIC 3004 Australia.,2Emergency & Trauma Centre, The Alfred Hospital, Melbourne, Australia.,3School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.,5Faculty of Medicine, Laval University, Quebec City, Quebec Canada
| | - Jordan Bade-Boon
- 1National Trauma Research Institute, The Alfred Hospital, 89 Commercial Road, Melbourne, VIC 3004 Australia.,2Emergency & Trauma Centre, The Alfred Hospital, Melbourne, Australia
| | - Mark C Fitzgerald
- 4Trauma Service, The Alfred Hospital, Melbourne, Australia.,5Faculty of Medicine, Laval University, Quebec City, Quebec Canada
| | - Ben Beck
- 3School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia.,5Faculty of Medicine, Laval University, Quebec City, Quebec Canada
| | - Peter A Cameron
- 1National Trauma Research Institute, The Alfred Hospital, 89 Commercial Road, Melbourne, VIC 3004 Australia.,2Emergency & Trauma Centre, The Alfred Hospital, Melbourne, Australia.,3School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia
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Hall MA, Speegle D, Glaser CJ. Civilian-Military Trauma Partnerships and the Visiting Surgeon Model for Maintaining Medical Readiness. JOURNAL OF SURGICAL EDUCATION 2019; 76:738-744. [PMID: 30472059 DOI: 10.1016/j.jsurg.2018.10.008] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 09/13/2018] [Accepted: 10/08/2018] [Indexed: 06/09/2023]
Abstract
OBJECTIVE The main objective of this paper is to create a model to predict the amount of trauma experience at a level 1 trauma center a visiting surgeon can expect to obtain with near certainty, in a specific amount of time, to maintain trauma skills. DESIGN The trauma database of level 1 trauma center (Saint Louis University Hospital, a military civilian partnership site) was examined to identify all urgent trauma cases between 1 October 2015 and 30 September 2017. Using retrospective data, a prospective hypothesis of a mixture of various case exposures a visiting surgeon may experience was made using Monte Carlo statistical methods, various probabilities for wartime relevant specialties were examined. SETTING Saint Louis University Hospital, a level 1 trauma and tertiary referral center. PARTICIPANTS Trauma patients between the dates October 1, 2015 and September 30, 2017 that underwent an operation at Saint Louis University Hospital. RESULTS Orthopedics and general/trauma surgery had the largest number of urgent trauma cases with an average daily amount of 1.03 and 0.49 cases, respectively. Using Monte Carlo methods, various scenarios and probabilities were tabulated. For example, a general surgeon on shift for 10days could expect to experience 4.9 (95% confidence interval 1-11) urgent cases or a visiting surgeon would require twenty-six 24-hour shifts in the summer to have a 95% certainty to experience at least 10 cases. CONCLUSIONS Other than for orthopedics, prolonged training timelines would be required to expose a visiting surgeon to multiple operative trauma cases. Though a specific number of cases to achieve "readiness" is undefined, a visiting-surgeon model may be unacceptable if a large number of cases are required prior to military deployment. This predictive model could be extrapolated to other centers and assist in identifying adequate settings and durations of trauma training sites.
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Affiliation(s)
- Maj Andrew Hall
- Center for the Sustainment of Trauma and Readiness Skills, St. Louis, Missouri.
| | - Darrin Speegle
- Department of Mathematics and Statistics, Saint Louis University, St. Louis, Missouri
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Effect of Prehospital Red Blood Cell Transfusion on Mortality and Time of Death in Civilian Trauma Patients. Shock 2019; 51:284-288. [DOI: 10.1097/shk.0000000000001166] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
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Hall A, Boecker F, Englert Z, Hanseman D, Fields A. Objective Military Trauma Team Performance Improvement from Military-Civilian Partnerships. Am Surg 2018. [DOI: 10.1177/000313481808401220] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Andrew Hall
- Center for the Sustainment of Trauma and Readiness Skills St. Louis, Missouri
| | - Felix Boecker
- Center for the Sustainment of Trauma and Readiness Skills St. Louis, Missouri
| | - Zachary Englert
- Center for the Sustainment of Trauma and Readiness Skills St. Louis, Missouri
| | - Dennis Hanseman
- Center for the Sustainment of Trauma and Readiness Skills Cincinnati, Ohio
| | - Adrienne Fields
- Center for the Sustainment of Trauma and Readiness Skills St. Louis, Missouri
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Griggs JE, Jeyanathan J, Joy M, Russell MQ, Durge N, Bootland D, Dunn S, Sausmarez ED, Wareham G, Weaver A, Lyon RM. Mortality of civilian patients with suspected traumatic haemorrhage receiving pre-hospital transfusion of packed red blood cells compared to pre-hospital crystalloid. Scand J Trauma Resusc Emerg Med 2018; 26:100. [PMID: 30454067 PMCID: PMC6245557 DOI: 10.1186/s13049-018-0567-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 11/06/2018] [Indexed: 12/20/2022] Open
Abstract
Background Major haemorrhage is a leading cause of mortality following major trauma. Increasingly, Helicopter Emergency Medical Services (HEMS) in the United Kingdom provide pre-hospital transfusion with blood products, although the evidence to support this is equivocal. This study compares mortality for patients with suspected traumatic haemorrhage transfused with pre-hospital packed red blood cells (PRBC) compared to crystalloid. Methods A single centre retrospective observational cohort study between 1 January 2010 and 1 February 2015. Patients triggering a pre-hospital Code Red activation were eligible. The primary outcome measure was all-cause mortality at 6 hours (h) and 28 days (d), including a sub-analysis of patients receiving a major and massive transfusion. Multivariable regression models predicted mortality. Multiple Imputation was employed, and logistic regression models were constructed for all imputed datasets. Results The crystalloid (n = 103) and PRBC (n = 92) group were comparable for demographics, Injury Severity Score (p = 0.67) and mechanism of injury (p = 0.73). Observed 6 h mortality was smaller in the PRBC group (n = 10, 10%) compared to crystalloid group (n = 19, 18%). Adjusted OR was not statistically significant (OR 0.48, CI 0.19–1.19, p = 0.11). Observed mortality at 28 days was smaller in the PRBC group (n = 21, 26%) compared to crystalloid group (n = 31, 40%), p = 0.09. Adjusted OR was not statistically significant (OR 0.66, CI 0.32–1.35, p = 0.26). A statistically significant greater proportion of the crystalloid group required a major transfusion (n = 62, 60%) compared to the PRBC group (n = 41, 40%), p = 0.02. For patients requiring a massive transfusion observed mortality was smaller in the PRBC group at 28 days (p = 0.07). Conclusion In a single centre UK HEMS study, in patients with suspected traumatic haemorrhage who received a PRBC transfusion there was an observed, but non-significant, reduction in mortality at 6 h and 28 days, also reflected in a massive transfusion subgroup. Patients receiving pre-hospital PRBC were significantly less likely to require an in-hospital major transfusion. Further adequately powered multi-centre prospective research is required to establish the optimum strategy for pre-hospital volume replacement in patients with traumatic haemorrhage.
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Affiliation(s)
- J E Griggs
- Kent, Surrey & Sussex Air Ambulance Trust, Redhill Aerodrome, Redhill, RH1 5YP, UK.
| | - J Jeyanathan
- Kent, Surrey & Sussex Air Ambulance Trust, Redhill Aerodrome, Redhill, RH1 5YP, UK.,Academic Department of Military Anaesthesia and Critical Care, London, UK
| | - M Joy
- University of Surrey, Guildford, GU2 7XH, UK
| | - M Q Russell
- Kent, Surrey & Sussex Air Ambulance Trust, Redhill Aerodrome, Redhill, RH1 5YP, UK
| | - N Durge
- Kent, Surrey & Sussex Air Ambulance Trust, Redhill Aerodrome, Redhill, RH1 5YP, UK.,Royal London Hospital, Whitechapel Road, Whitechapel, London, E1 1BB, UK
| | - D Bootland
- Kent, Surrey & Sussex Air Ambulance Trust, Redhill Aerodrome, Redhill, RH1 5YP, UK.,Royal Sussex County Hospital, Eastern Road, Brighton, BN2 5BE, UK
| | - S Dunn
- Kent, Surrey & Sussex Air Ambulance Trust, Redhill Aerodrome, Redhill, RH1 5YP, UK
| | - E D Sausmarez
- Kent, Surrey & Sussex Air Ambulance Trust, Redhill Aerodrome, Redhill, RH1 5YP, UK
| | - G Wareham
- Kent, Surrey & Sussex Air Ambulance Trust, Redhill Aerodrome, Redhill, RH1 5YP, UK
| | - A Weaver
- Royal London Hospital, Whitechapel Road, Whitechapel, London, E1 1BB, UK
| | - R M Lyon
- Kent, Surrey & Sussex Air Ambulance Trust, Redhill Aerodrome, Redhill, RH1 5YP, UK.,University of Surrey, Guildford, GU2 7XH, UK
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Blood on board: The development of a prehospital blood transfusion program in a Canadian helicopter emergency medical service. CAN J EMERG MED 2018; 21:365-373. [PMID: 30404667 DOI: 10.1017/cem.2018.457] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
OBJECTIVE Prehospital blood transfusion has been adopted by many civilian helicopter emergency medical services agencies, and early outcomes are positive. The Shock Trauma Air Rescue Society operates six bases in Western Canada and started a blood on board process in 2013 in Regina that has expanded to all bases. Two units of O negative packed red blood cells are carried on every mission. We describe the processes and standard work ensuring safe storage, administration, and stewardship of this important resource. METHODS The packed red blood cells are stored in an inexpensive, reusable temperature controlled cooler at 1°C-6°C. Close collaboration with local transfusion services and adherence to Canadian transfusion standards contributes to safety and sustainability. RESULTS From October 1, 2013 to October 10, 2017, the Shock Trauma Air Rescue Society administered blood to 431 patients. Of this total, 62.9% received blood carried on our aircraft. A total of 463 blood box units were administered, and the majority of patients (69.0%) received both units. Blood used in Calgary, Alberta was 100% traceable, and only 1.2% of total units dispensed was wasted. The vast majority of unused units were returned to circulation. CONCLUSION We describe the process to set up and monitor a prehospital blood transfusion program. Our standard work and stewardship processes minimize wastage of blood while keeping it readily available for our critically ill and injured patients.
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Knapp J, Pietsch U, Kreuzer O, Hossfeld B, Bernhard M, Lier H. Prehospital Blood Product Transfusion in Mountain Rescue Operations. Air Med J 2018; 37:392-399. [PMID: 30424860 DOI: 10.1016/j.amj.2018.08.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2018] [Revised: 07/08/2018] [Accepted: 08/24/2018] [Indexed: 12/13/2022]
Abstract
Severely injured patients with hemorrhage present major challenges for emergency medical services, especially during mountain rescue missions in which harsh environmental conditions and long out-of-hospital times are frequent. Because uncontrolled hemorrhage is the leading cause of death within the first 48 hours after severe trauma, initiating damage control resuscitation (DCR) as early as possible after severe trauma and exporting the concept of DCR to the out-of-hospital arena is pivotal for patient survival. Appropriate bleeding control, management of coagulopathy, and transfusion of blood products are core aspects of DCR. This review summarizes the available evidence on out-of-hospital blood product transfusion and the management of coagulopathy with a special focus on mountain rescue missions. An overview of upcoming trials and possible future trends in the management of coagulopathy during rescue operations is provided.
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Affiliation(s)
- Jürgen Knapp
- Department of Anaesthesiology and Pain Therapy, University Hospital of Bern, Bern, Switzerland; Air Zermatt, Emergency Medical Service, Zermatt, Switzerland.
| | - Urs Pietsch
- Air Zermatt, Emergency Medical Service, Zermatt, Switzerland; Department of Anaesthesiology and Intensive Care Medicine, Cantonal Hospital St Gallen, St Gallen, Switzerland
| | - Oliver Kreuzer
- Air Zermatt, Emergency Medical Service, Zermatt, Switzerland
| | - Björn Hossfeld
- Department of Anaesthesiology and Intensive Care Medicine, Armed Forces Hospital Ulm, Ulm, Germany; Task Force "Tactical Medicine" of the Scientific Working Group Emergency Medicine of the German Society of Anaesthesiology and Intensive Care Medicine, Nürnberg, Germany
| | - Michael Bernhard
- Emergency Department, University Hospital of Düsseldorf, Düsseldorf, Germany; Task Force "Trauma and Resuscitation Room Management" of the Scientific Working Group Emergency Medicine of the German Society of Anaesthesiology and Intensive Care Medicine, Nürnberg, Germany
| | - Heiko Lier
- Task Force "Tactical Medicine" of the Scientific Working Group Emergency Medicine of the German Society of Anaesthesiology and Intensive Care Medicine, Nürnberg, Germany; Department of Anaesthesiology and Postoperative Intensive Care Medicine, University of Cologne, Köln, Germany
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42
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Moors XRJ, Bouman SJM, Peters JH, Smulders P, Alink MBO, Hartog DD, Stolker RJ. Prehospital Blood Transfusions in Pediatric Patients by a Helicopter Emergency Medical Service. Air Med J 2018; 37:321-324. [PMID: 30322636 DOI: 10.1016/j.amj.2018.05.008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 04/10/2018] [Accepted: 05/28/2018] [Indexed: 11/15/2022]
Abstract
OBJECTIVE In the prehospital setting, the Nijmegen and Rotterdam helicopter emergency medical services administer packed red blood cells to critically ill or injured pediatric patients. Blood is given on scene or during transport and is derived from nearby hospitals. We summarize our experience with prehospital blood use in pediatric patients. METHODS The databases from both the Nijmegen and Rotterdam helicopter emergency medical services were reviewed for all pediatric (< 18 years) patients who received packed red blood cells on scene or during transport to the hospital. RESULTS Between 2007 and 2015, 10 pediatric patients out of approximately 2,400 pediatric patients received blood in the prehospital setting. The median Injury Severity Score was 41. Seven hospitals delivered blood in the prehospital setting at the scene. All patients were in hypovolemic shock. Two patients died. Two patients were believed to be unexpected survivors; 1 was predicted by the Trauma and Injury Severity Score, and a second unexpected survivor was a neonate who was in hypovolemic shock and cardiopulmonary arrest. CONCLUSION The incidence of prehospital use of blood in injured or critically ill children is low. This intervention presented a potential to limit acid-base disturbance, low hemoglobin levels, and coagulopathy in this group. We believe this cohort also contains 2 unexpected survivors.
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Affiliation(s)
- Xavier R J Moors
- Department of Anesthesiology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, The Netherlands; HEMS, Erasmus University Medical Center, Rotterdam, Netherlands.
| | | | - Joost H Peters
- Department of Surgery-Traumatology, Radboud University Medical Center, Nijmegen, Netherlands; HEMS, Radboud University Medical Center, Nijmegen, Netherlands
| | | | - Michelle B Oude Alink
- Department of Anesthesiology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, The Netherlands
| | - Dennis Den Hartog
- Department of Surgery-Traumatology, Erasmus University Medical Center, Rotterdam, Netherlands
| | - Robert Jan Stolker
- Department of Anesthesiology, Erasmus University Medical Center-Sophia Children's Hospital, Rotterdam, The Netherlands
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Lier H, Bernhard M, Knapp J, Buschmann C, Bretschneider I, Hossfeld B. [Approaches to pre-hospital bleeding management : Current overview on civilian emergency medicine]. Anaesthesist 2018; 66:867-878. [PMID: 28785773 DOI: 10.1007/s00101-017-0350-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Severe bleeding is a typical result of traumatic injuries. Hemorrhage is responsible for almost 50% of deaths within the first 6 h after trauma. Appropriate bleeding control and coagulation therapy depends on an integrated concept of local hemostasis by primary pressure with the hands, compression, and tourniquets accompanied by prevention of hypothermia, acidosis and hypocalcemia. Additionally, permissive hypotension is accepted for suitable patients and tranexamic acid should be administered early. Multiple publications prove that prehospital transfusion of blood products (e. g. red blood cells and plasma) and coagulation factors (e. g. fibrinogen) is feasible and safe, but only required for <5% of polytrauma patients in the civilian setting.
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Affiliation(s)
- H Lier
- Klinik für Anästhesiologie und Operative Intensivmedizin, Universitätsklinikum Köln (AöR), Kerpener Straße 62, 50937, Köln, Deutschland. .,Arbeitsgruppe "Taktische Medizin" des Arbeitskreises Notfallmedizin, Deutsche Gesellschaft für Anästhesiologie und Intensivmedizin, Nürnberg, Deutschland.
| | - M Bernhard
- Zentrale Notaufnahme, Universitätsklinikum Leipzig, Leipzig, Deutschland.,Arbeitsgruppe "Trauma- und Schockraummanagement" des Arbeitskreis Notfallmedizin, Deutschen Gesellschaft für Anästhesiologie und Intensivmedizin, Nürnberg, Deutschland
| | - J Knapp
- Klinik für Anästhesiologie und Schmerztherapie, Universitätsspital Bern, Bern, Schweiz.,Air Zermatt, Zermatt, Schweiz
| | - C Buschmann
- Institut für Rechtsmedizin, Charité - Universitätsmedizin Berlin, Berlin, Deutschland
| | - I Bretschneider
- Klinik für Anästhesiologie & Intensivmedizin, Bundeswehrkrankenhaus, Ulm, Deutschland
| | - B Hossfeld
- Klinik für Anästhesiologie & Intensivmedizin, Bundeswehrkrankenhaus, Ulm, Deutschland.,Arbeitsgruppe "Taktische Medizin" des Arbeitskreises Notfallmedizin, Deutsche Gesellschaft für Anästhesiologie und Intensivmedizin, Nürnberg, Deutschland
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Prehospital Blood Product Administration Opportunities in Ground Transport ALS EMS – A Descriptive Study. Prehosp Disaster Med 2018; 33:230-236. [DOI: 10.1017/s1049023x18000274] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
AbstractIntroductionHemorrhage remains the major cause of preventable death after trauma. Recent data suggest that earlier blood product administration may improve outcomes. The purpose of this study was to determine whether opportunities exist for blood product transfusion by ground Emergency Medical Services (EMS).MethodsThis was a single EMS agency retrospective study of ground and helicopter responses from January 1, 2011 through December 31, 2015 for adult trauma patients transported from the scene of injury who met predetermined hemodynamic (HD) parameters for potential transfusion (heart rate [HR]≥120 and/or systolic blood pressure [SBP]≤90).ResultsA total of 7,900 scene trauma ground transports occurred during the study period. Of 420 patients meeting HD criteria for transfusion, 53 (12.6%) had a significant mechanism of injury (MOI). Outcome data were available for 51 patients; 17 received blood products during their emergency department (ED) resuscitation. The percentage of patients receiving blood products based upon HD criteria ranged from 1.0% (HR) to 5.9% (SBP) to 38.1% (HR+SBP). In all, 74 Helicopter EMS (HEMS) transports met HD criteria for blood transfusion, of which, 28 patients received prehospital blood transfusion. Statistically significant total patient care time differences were noted for both the HR and the SBP cohorts, with HEMS having longer time intervals; no statistically significant difference in mean total patient care time was noted in the HR+SBP cohort.ConclusionsIn this study population, HD parameters alone did not predict need for ED blood product administration. Despite longer transport times, only one-third of HEMS patients meeting HD criteria for blood administration received prehospital transfusion. While one-third of ground Advanced Life Support (ALS) transport patients manifesting HD compromise received blood products in the ED, this represented 0.2% of total trauma transports over the study period. Given complex logistical issues involved in prehospital blood product administration, opportunities for ground administration appear limited within the described system.MixFM, ZielinskiMD, MyersLA, BernsKS, LukeA, StubbsJR, ZietlowSP, JenkinsDH, SztajnkrycerMD. Prehospital blood product administration opportunities in ground transport ALS EMS – a descriptive study. Prehosp Disaster Med. 2018;33(3):230–236.
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Ruelas OS, Tschautscher CF, Lohse CM, Sztajnkrycer MD. Analysis of Prehospital Scene Times and Interventions on Mortality Outcomes in a National Cohort of Penetrating and Blunt Trauma Patients. PREHOSP EMERG CARE 2018; 22:691-697. [PMID: 29617208 DOI: 10.1080/10903127.2018.1448494] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
BACKGROUND Recent studies have suggested improved outcomes in victims of penetrating trauma managed with shorter prehospital times and limited interventions. The purpose of the current study was to perform an outcome analysis of patients transported following penetrating and blunt traumatic injuries. METHODS We performed a descriptive retrospective analysis of the 2014 National Emergency Medical Services Information System (NEMSIS) public release research data set for patients presenting after acute traumatic injury. RESULTS A total of 2,018,141 patient encounters met criteria, of which 3.9% were penetrating trauma. Prehospital cardiac arrest occurred in 0.5% blunt and 4.2% penetrating trauma patients. Emergency department (ED) mortality was higher in penetrating than blunt trauma patients (4.1% vs. 0.8%). Scene times were 18.1 ± 36.5 minutes for blunt and 16.0 ± 45.3 minutes for penetrating trauma. Mean scene time for blunt trauma patients who died in the ED was 24.9 ± 58.0 minutes compared with 18.8 ± 38.5 minutes for those admitted; for penetrating trauma, scene times were 17.9 ± 23.5 and 13.4 ± 11.6 minutes, respectively. Mean number of procedures performed for blunt trauma patients who died in the ED was 6.5 ± 4.3 compared with 3.1 ± 2.3 for those who survived until admission; for penetrating trauma, the numbers of procedures performed were 5.7 ± 3.4 and 2.6 ± 2.0, respectively. CONCLUSIONS Although less frequent than blunt trauma, penetrating trauma is associated with significantly higher prehospital and ED mortality. Increased scene time and number of procedures was associated with greater mortality for both blunt and penetrating trauma. Further study is required to better understand any causal relationships between prehospital times and interventions and patient outcomes.
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Abstract
Damage control surgery is a combination of temporizing surgical interventions to arrest hemorrhage and control infectious source, with goal directed resuscitation to restore normal physiology. The convention of damage control surgery largely arose following the discovery of the lethal triad of hypothermia, acidosis, and coagulopathy, with the goal of Damage Control Surgery (DCS) is to avoid the initiation of this "bloody vicious cycle" or to reverse its progression. While hypothermia and acidosis are generally corrected with resuscitation, coagulopathy remains a challenging aspect of DCS, and is exacerbated by excessive crystalloid administration. This chapter focuses on resuscitative principles in the four settings of trauma care: the prehospital setting, emergency department, operating room, and intensive care unit including historical perspectives, resuscitative methods, controversies, and future directions. Each setting provides unique challenges with specific goals of care.
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Thomas SH, Blumen I. Helicopter Emergency Medical Services Literature 2014 to 2016: Lessons and Perspectives, Part 1-Helicopter Transport for Trauma. Air Med J 2018; 37:54-63. [PMID: 29332779 DOI: 10.1016/j.amj.2017.10.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 10/30/2017] [Indexed: 11/30/2022]
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Kang BH, Choi D, Cho J, Kwon J, Huh Y, Moon J, Kim Y, Jung K, Lee JCJ. Efficacy of Uncross-Matched Type O Packed Red Blood Cell Transfusion to Traumatic Shock Patients: a Propensity Score Match Study. J Korean Med Sci 2017; 32:2058-2063. [PMID: 29115091 PMCID: PMC5680508 DOI: 10.3346/jkms.2017.32.12.2058] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2017] [Accepted: 09/05/2017] [Indexed: 12/20/2022] Open
Abstract
A new blood bank system was established in our trauma bay, which allowed immediate utilization of uncross-matched type O packed red blood cells (UORBCs). We investigated the efficacy of UORBC compared to that of the ABO type-specific packed red blood cells (ABO RBCs) from before the bank was installed. From March 2016 to February 2017, data from trauma patients who received UORBCs in the trauma bay were compared with those of trauma patients who received ABO RBCs from January 2013 to December 2015. Propensity matching was used to overcome retrospective bias. The primary outcome was 24-hour mortality, while the secondary outcomes were in-hospital mortality and intensive care unit (ICU) length of stay (LOS). Data from 252 patients were reviewed and UORBCs were administered to 64 patients. The time to transfusion from emergency room admission was shorter in the UORBC group (11 [7-16] minutes vs. 44 [29-72] minutes, P < 0.001). After propensity matching, 47 patients were included in each group. The 24-hour mortality (4 [8.5%] vs. 9 [13.8%], P = 0.135), in-hospital mortality (14 [29.8%] vs. 18 [38.3%], P = 0.384), and ICU LOS (9 [4-19] days vs. 5 [0-19] days, P = 0.155) did not differ significantly between groups. The utilization of UORBCs resulted in a faster transfusion but did not significantly improve the clinical outcomes in traumatic shock patients in this study. However, the tendency for lower mortality in the UORBC group suggested the need for a large study.
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Affiliation(s)
- Byung Hee Kang
- Department of Trauma Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Donghwan Choi
- Department of Trauma Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Jayun Cho
- Department of Trauma Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Junsik Kwon
- Department of Trauma Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Yo Huh
- Department of Trauma Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Jonghwan Moon
- Department of Trauma Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Younghwan Kim
- Department of Trauma Surgery, National Medical Center, Seoul, Korea
| | - Kyoungwon Jung
- Department of Trauma Surgery, Ajou University School of Medicine, Suwon, Korea
| | - John Cook Jong Lee
- Department of Trauma Surgery, Ajou University School of Medicine, Suwon, Korea.
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49
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Heschl S, Andrew E, de Wit A, Bernard S, Kennedy M, Smith K. Prehospital transfusion of red cell concentrates in a paramedic-staffed helicopter emergency medical service. Emerg Med Australas 2017; 30:236-241. [DOI: 10.1111/1742-6723.12910] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Revised: 07/20/2017] [Accepted: 10/29/2017] [Indexed: 12/01/2022]
Affiliation(s)
- Stefan Heschl
- Department of Anaesthesiology and Intensive Care Medicine, Medical University of Graz; Graz Austria
- Ambulance Victoria; Melbourne Victoria Australia
| | - Emily Andrew
- Ambulance Victoria; Melbourne Victoria Australia
| | | | - Stephen Bernard
- Ambulance Victoria; Melbourne Victoria Australia
- School of Public Health and Preventive Medicine; Monash University; Melbourne Victoria Australia
- Intensive Care Unit; Alfred Hospital; Melbourne Victoria Australia
| | | | - Karen Smith
- Ambulance Victoria; Melbourne Victoria Australia
- School of Public Health and Preventive Medicine; Monash University; Melbourne Victoria Australia
- Department of Emergency Medicine; The University of Western Australia; Perth Western Australia Australia
- Department of Community Emergency Health and Paramedic Practice; Monash University; Melbourne Victoria Australia
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50
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Kang BH, Jung K, Heo Y, Lee JCJ. Safety and Efficacy of Type-O Packed Red Blood Cell Transfusion in Traumatic Hemorrhagic Shock Patients: Preliminary Study. JOURNAL OF ACUTE CARE SURGERY 2017. [DOI: 10.17479/jacs.2017.7.2.50] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Affiliation(s)
- Byung Hee Kang
- Division of Trauma Surgery, Department of Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Kyoungwon Jung
- Division of Trauma Surgery, Department of Surgery, Ajou University School of Medicine, Suwon, Korea
| | - Yunjung Heo
- Department of Medical Humanities and Social Medicine, Ajou University School of Medicine, Suwon, Korea
| | - John Cook-Jong Lee
- Division of Trauma Surgery, Department of Surgery, Ajou University School of Medicine, Suwon, Korea
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