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Iyanna N, Donohue JK, Lorence JM, Guyette FX, Gimbel E, Brown JB, Daley BJ, Eastridge BJ, Miller RS, Nirula R, Harbrecht BG, Claridge JA, Phelan HA, Vercruysse GA, O'Keefe T, Joseph B, Shutter LA, Sperry JL. Early Glasgow Coma Scale Score and Prediction of Traumatic Brain Injury: A Secondary Analysis of Three Harmonized Prehospital Randomized Clinical Trials. PREHOSP EMERG CARE 2024:1-15. [PMID: 39042825 DOI: 10.1080/10903127.2024.2381048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 07/03/2024] [Indexed: 07/25/2024]
Abstract
OBJECTIVES: The prehospital prediction of the radiographic diagnosis of traumatic brain injury (TBI) in hemorrhagic shock patients has the potential to promote early therapeutic interventions. However, the identification of TBI is often challenging and prehospital tools remain limited. While the Glasgow Coma Scale (GCS) score is frequently used to assess the extent of impaired consciousness after injury, the utility of the GCS scores in the early prehospital phase of care to predict TBI in patients with severe injury and concomitant shock is poorly understood.METHODS: We performed a post-hoc, secondary analysis utilizing data derived from three randomized prehospital clinical trials: the Prehospital Air Medical Plasma trial (PAMPER), the Study of Tranexamic Acid During Air Medical and Ground Prehospital Transport trial (STAAMP), and the Pragmatic Prehospital Type O Whole Blood Early Resuscitation (PPOWER) trial. Patients were dichotomized into two cohorts based on the presence of TBI and then further stratified into three groups based on prehospital GCS score: GCS 3, GCS 4-12, and GCS 13-15. The association between prehospital GCS score and clinical documentation of TBI was assessed.RESULTS: A total of 1,490 enrolled patients were included in this analysis. The percentage of patients with documented TBI in those with a GCS 3 was 59.5%, 42.4% in those with a GCS 4-12, and 11.8% in those with a GCS 13-15. The positive predictive value (PPV) of the prehospital GCS score for the diagnosis of TBI is low, with a GCS of 3 having only a 60% PPV. Hypotension and prehospital intubation are independent predictors of a low prehospital GCS. Decreasing prehospital GCS is strongly associated with higher incidence or mortality over time, irrespective of the diagnosis of TBI.CONCLUSIONS: The ability to accurately predict the presence of TBI in the prehospital phase of care is essential. The utility of the GCS scores in the early prehospital phase of care to predict TBI in patients with severe injury and concomitant shock is limited. The use of novel scoring systems and improved technology are needed to promote the accurate early diagnosis of TBI.
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Affiliation(s)
- Nidhi Iyanna
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
| | - Jack K Donohue
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
| | - John M Lorence
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
| | - Francis X Guyette
- Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Elizabeth Gimbel
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Joshua B Brown
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
| | - Brian J Daley
- Department of Surgery, University of Tennessee Health Science Center, Knoxville, TN
| | - Brian J Eastridge
- Department of Surgery, University of Texas Health San Antonio, San Antonio, TX
| | | | - Raminder Nirula
- Department of Surgery, University of Utah, Salt Lake City, UT
| | | | - Jefrey A Claridge
- Department of Surgery, Metro Health Medical Center, Case Western Reserve University, Cleveland, OH
| | - Herb A Phelan
- Department of Surgery, University of Texas Southwestern, Dallas, TX
| | | | | | - Bellal Joseph
- Department of Surgery, University of Arizona, Tucson, AZ
| | - Lori A Shutter
- Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, PA
| | - Jason L Sperry
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh, Pittsburgh, PA
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Donohue JK, Gruen DS, Iyanna N, Lorence JM, Brown JB, Guyette FX, Daley BJ, Eastridge BJ, Miller RS, Nirula R, Harbrecht BG, Claridge JA, Phelan HA, Vercruysse GA, O'Keeffe T, Joseph B, Neal MD, Billiar TR, Sperry JL. Mechanism matters: mortality and endothelial cell damage marker differences between blunt and penetrating traumatic injuries across three prehospital clinical trials. Sci Rep 2024; 14:2747. [PMID: 38302619 PMCID: PMC10834504 DOI: 10.1038/s41598-024-53398-1] [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: 10/05/2023] [Accepted: 01/31/2024] [Indexed: 02/03/2024] Open
Abstract
Injury mechanism is an important consideration when conducting clinical trials in trauma. Mechanisms of injury may be associated with differences in mortality risk and immune response to injury, impacting the potential success of the trial. We sought to characterize clinical and endothelial cell damage marker differences across blunt and penetrating injured patients enrolled in three large, prehospital randomized trials which focused on hemorrhagic shock. In this secondary analysis, patients with systolic blood pressure < 70 or systolic blood pressure < 90 and heart rate > 108 were included. In addition, patients with both blunt and penetrating injuries were excluded. The primary outcome was 30-day mortality. Mortality was characterized using Kaplan-Meier and Cox proportional-hazards models. Generalized linear models were used to compare biomarkers. Chi squared tests and Wilcoxon rank-sum were used to compare secondary outcomes. We characterized data of 696 enrolled patients that met all secondary analysis inclusion criteria. Blunt injured patients had significantly greater 24-h (18.6% vs. 10.7%, log rank p = 0.048) and 30-day mortality rates (29.7% vs. 14.0%, log rank p = 0.001) relative to penetrating injured patients with a different time course. After adjusting for confounders, blunt mechanism of injury was independently predictive of mortality at 30-days (HR 1.84, 95% CI 1.06-3.20, p = 0.029), but not 24-h (HR 1.65, 95% CI 0.86-3.18, p = 0.133). Elevated admission levels of endothelial cell damage markers, VEGF, syndecan-1, TM, S100A10, suPAR and HcDNA were associated with blunt mechanism of injury. Although there was no difference in multiple organ failure (MOF) rates across injury mechanism (48.4% vs. 42.98%, p = 0.275), blunt injured patients had higher Denver MOF score (p < 0.01). The significant increase in 30-day mortality and endothelial cell damage markers in blunt injury relative to penetrating injured patients highlights the importance of considering mechanism of injury within the inclusion and exclusion criteria of future clinical trials.
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Affiliation(s)
- Jack K Donohue
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Danielle S Gruen
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Nidhi Iyanna
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - John M Lorence
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Joshua B Brown
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Francis X Guyette
- Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, PA, USA
| | - Brian J Daley
- Department of Surgery, University of Tennessee Health Science Center, Knoxville, TN, USA
| | - Brian J Eastridge
- Department of Surgery, University of Texas Health San Antonio, San Antonio, TX, USA
| | | | - Raminder Nirula
- Department of Surgery, University of Utah, Salt Lake City, UT, USA
| | - Brian G Harbrecht
- Department of Surgery, University of Louisville, Louisville, KY, USA
| | - Jeffrey A Claridge
- Department of Surgery, Metro Health Medical Center, Case Western Reserve University, Cleveland, OH, USA
| | - Herb A Phelan
- Department of Surgery, University of Texas Southwestern, Dallas, TX, USA
| | | | | | - Bellal Joseph
- Department of Surgery, University of Arizona, Tucson, AZ, USA
| | - Matthew D Neal
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Timothy R Billiar
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, PA, USA
| | - Jason L Sperry
- Division of Trauma and General Surgery, Department of Surgery, University of Pittsburgh Medical Center, University of Pittsburgh, Pittsburgh, PA, USA.
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Maegele M, Lier H, Hossfeld B. Pre-Hospital Blood Products for the Care of Bleeding Trauma Patients. DEUTSCHES ARZTEBLATT INTERNATIONAL 2023; 120:670-676. [PMID: 37551452 PMCID: PMC10644958 DOI: 10.3238/arztebl.m2023.0176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 07/13/2023] [Accepted: 07/13/2023] [Indexed: 08/09/2023]
Abstract
BACKGROUND Controversy surrounds the administration of blood products to severely traumatized patients before they arrive in the hospital in order to compensate for early blood loss and/or to correct coagulation disturbances that arise shortly after the traumatic event. A number of terrestrial and air rescue services have begun to provide this kind of treatment. METHODS This review is based on articles using the PICO framework, published from January 2001 to January 2021, that were retrieved by a selective search, with structured searching strategies and searching bundles in Medline (OVIDSP), the Cochrane Central Register of Controlled Trials (CENTRAL), and Epistemonikos. A demand analysis was carried out on the basis of data from the trauma registry of the German Society of Trauma Surgery (TR-DGU) and practical experience from program development and implementation was provided by the Bundeswehr Hospital Ulm. RESULTS The currently available evidence on the pre-hospital administration of blood products in the early treatment of severely injured patients is based largely on retrospective, single-center case series. Two randomized controlled trials (RCTs) concerning the early use of fresh frozen plasma concentrates have yielded partly conflicting results. Three further RCTs on the use of lyophilized plasma (lyplas), lyplas plus erythrocyte concentrate, or whole blood likewise revealed non-uniform effects on short-term and intermediate-term mortality. Our demand analysis based on data from the TR-DGU showed that 300 to 1800 patients per year in Germany could benefit from the pre-hospital administration of blood products. This might be indicated in patients who have systolic hypotension (<100 mmHg) in combination with a suspected or confirmed hemorrhage, as well as pathological shock parameters in the point-of-care diagnostic testing performed on the scene (serum base excess ≤ -2.5 mmol/L and/or serum lactate concentration >4 mmol/L). CONCLUSION The studies that have been published to date yield no clear evidence either for or against the early pre-hospital administration of blood products. Any treatment of this kind should be accompanied by scientific evaluation.
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Affiliation(s)
- Marc Maegele
- *Joint first authors
- Department of Trauma and Orthopaedic Surgery, Cologne-Merheim Medical Centre (CMMC), University of Witten/Herdecke, Cologne
- Institute for Research in Operative Medicine (IFOM), University of Witten/Herdecke, Campus Cologne-Merheim, Cologne
| | - Heiko Lier
- *Joint first authors
- Department of Anaesthesiology and Intensive Care Medicine, University Hospital of Cologne, Cologne
| | - Björn Hossfeld
- Department of Anaesthesiology and Intensive Care Medicine, Armed Forces Hospital Ulm, Ulm
- Rescue transport helicopter (RTH) „Christoph 22“ Ulm, ADAC-Air Rescue, Ulm
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Sperry JL, Cotton BA, Luther JF, Cannon JW, Schreiber MA, Moore EE, Namias N, Minei JP, Wisniewski SR, Guyette FX. Whole Blood Resuscitation and Association with Survival in Injured Patients with an Elevated Probability of Mortality. J Am Coll Surg 2023; 237:206-219. [PMID: 37039365 PMCID: PMC10344433 DOI: 10.1097/xcs.0000000000000708] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 03/13/2023] [Accepted: 03/13/2023] [Indexed: 04/12/2023]
Abstract
BACKGROUND Low-titer group O whole blood (LTOWB) resuscitation is becoming common in both military and civilian settings and may represent the ideal resuscitation intervention. We sought to characterize the safety and efficacy of LTOWB resuscitation relative to blood component resuscitation. STUDY DESIGN A prospective, multicenter, observational cohort study was performed using 7 trauma centers. Injured patients at risk of massive transfusion who required both blood transfusion and hemorrhage control procedures were enrolled. The primary outcome was 4-hour mortality. Secondary outcomes included 24-hour and 28-day mortality, achievement of hemostasis, death from exsanguination, and the incidence of unexpected survivors. RESULTS A total of 1,051 patients in hemorrhagic shock met all enrollment criteria. The cohort was severely injured with >70% of patients requiring massive transfusion. After propensity adjustment, no significant 4-hour mortality difference across LTOWB and component patients was found (relative risk [RR] 0.90, 95% CI 0.59 to 1.39, p = 0.64). Similarly, no adjusted mortality differences were demonstrated at 24 hours or 28 days for the enrolled cohort. When patients with an elevated prehospital probability of mortality were analyzed, LTOWB resuscitation was independently associated with a 48% lower risk of 4-hour mortality (relative risk [RR] 0.52, 95% CI 0.32 to 0.87, p = 0.01) and a 30% lower risk of 28-day mortality (RR 0.70, 95% CI 0.51 to 0.96, p = 0.03). CONCLUSIONS Early LTOWB resuscitation is safe but not independently associated with survival for the overall enrolled population. When patients were selected with an elevated probability of mortality based on prehospital injury characteristics, LTOWB was independently associated with a lower risk of mortality starting at 4 hours after arrival through 28 days after injury.
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Affiliation(s)
- Jason L Sperry
- From the Department of Surgery, University of Pittsburgh, Pittsburgh, PA (Sperry)
| | - Bryan A Cotton
- Department of Surgery, University of Texas Health Science Center, Houston, TX (Cotton)
| | - James F Luther
- University of Pittsburgh School of Public Health, Pittsburgh, PA (Luther, Wisniewski)
| | - Jeremy W Cannon
- Department of Surgery, University of Pennsylvania, Philadelphia, PA (Cannon)
| | - Martin A Schreiber
- Department of Surgery, Oregon Health & Science University, Portland, OR (Schreiber)
| | - Ernest E Moore
- Department of Surgery, Ernest E. Moore Shock Trauma Center at Denver Health, University of Colorado Health Sciences Center, Denver, CO (Moore)
| | - Nicholas Namias
- Department of Surgery, University of Miami/Jackson Memorial Hospital, Miami, FL (Namias)
| | - Joseph P Minei
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, TX (Minei)
| | - Stephen R Wisniewski
- University of Pittsburgh School of Public Health, Pittsburgh, PA (Luther, Wisniewski)
| | - Frank X Guyette
- Department of Emergency Medicine, University of Pittsburgh, Pittsburgh, PA (Guyette)
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