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Spiezia L, Riva M, Gurrieri C, Campello E, Simioni P. Severe haemorrhagic diathesis due to acquired hypofibrinogenemia in a patient with early T-cell precursor acute lymphoblastic leukaemia/lymphoma: a case report. Front Cardiovasc Med 2024; 10:1335296. [PMID: 38259312 PMCID: PMC10800925 DOI: 10.3389/fcvm.2023.1335296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 12/22/2023] [Indexed: 01/24/2024] Open
Abstract
The most frequent haematological malignancy associated with acquired hypo/dysfibrinogenemia is multiple myeloma. We present an unusual case of severe haemorrhagic diathesis due to acquired hypofibrinogenemia in a patient with early T-cell precursor acute lymphoblastic leukaemia/lymphoma (ETP-ALL/LBL). A 57-year-old male was admitted to the General Internal Medicine Department of Padova University Hospital for acute massive haematomas of the left lower extremity associated with macrohaematuria. Coagulation tests showed prolonged prothrombin time, activated partial thromboplastin time and thrombin time due to isolated severe hypofibrinogenemia (antigen 0.70 g/L and activity 26%). The radiological workup showed a bulky lesion located in the anterior mediastinum, and a biopsy led to the diagnosis of ETP-ALL/LBL. Fibrinogen replacement therapy failed to correct the bleeding diathesis and we were able to exclude other frequent causes of acquired hypofibrinogenemia (i.e., liver dysfunction, fibrinogen-specific antibody or drug toxicity); therefore, we hypothesised that hypofibrinogenemia might stem either from enhanced removal of fibrinogen from the circulation or consumptive coagulopathy. Notably, only after initiating a specific chemotherapy treatment did the patient start showing improvement in bleeding symptoms and achieve normal fibrinogen levels.
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Affiliation(s)
- Luca Spiezia
- General Internal Medicine & Thrombotic and Haemorrhagic Diseases Unit, Department of Medicine, Padova University School of Medicine, Padova, Italy
| | - Marcello Riva
- Haematology and Clinical Immunology Unit, Department of Medicine, Padova University School of Medicine, Padova, Italy
| | - Carmela Gurrieri
- Haematology and Clinical Immunology Unit, Department of Medicine, Padova University School of Medicine, Padova, Italy
| | - Elena Campello
- Haematology and Clinical Immunology Unit, Department of Medicine, Padova University School of Medicine, Padova, Italy
| | - Paolo Simioni
- General Internal Medicine & Thrombotic and Haemorrhagic Diseases Unit, Department of Medicine, Padova University School of Medicine, Padova, Italy
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2
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Boron M, Hauzer-Martin T, Keil J, Sun XL. Circulating Thrombomodulin: Release Mechanisms, Measurements, and Levels in Diseases and Medical Procedures. TH OPEN 2022; 6:e194-e212. [PMID: 36046203 PMCID: PMC9273331 DOI: 10.1055/a-1801-2055] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 03/11/2022] [Indexed: 12/02/2022] Open
Abstract
Thrombomodulin (TM) is a type-I transmembrane protein that is mainly expressed on endothelial cells and plays important roles in many biological processes. Circulating TM of different forms are also present in biofluids, such as blood and urine. Soluble TM (sTM), comprised of several domains of TM, is the major circulating TM which is generated by either enzymatic or chemical cleavage of the intact protein under different conditions. Under normal conditions, sTM is present in low concentrations (<10 ng/mL) in the blood but is elevated in several pathological conditions associated with endothelial dysfunction such as cardiovascular, inflammatory, infection, and metabolic diseases. Therefore, sTM level has been examined for monitoring disease development, such as disseminated intravascular coagulation (DIC), sepsis and multiple organ dysfunction syndrome in patients with novel coronavirus disease 2019 (COVID-19) recently. In addition, microvesicles (MVs) that contain membrane TM (MV-TM) have been found to be released from activated cells which also contribute to levels of circulating TM in certain diseases. Several release mechanisms of sTM and MV-TM have been reported, including enzymatic, chemical, and TM mutation mechanisms. Measurements of sTM and MV-TM have been developed and explored as biomarkers in many diseases. In this review, we summarize all these advances in three categories as follows: (1) release mechanisms of circulating TM, (2) methods for measuring circulating TM in biological samples, and (3) correlation of circulating TM with diseases. Altogether, it provides a whole picture of recent advances on circulating TM in health and disease.
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Affiliation(s)
- Mallorie Boron
- Department of Chemistry and Chemical and Biomedical Engineering and Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, Cleveland, Ohio, United States
| | - Tiffany Hauzer-Martin
- Department of Chemistry and Chemical and Biomedical Engineering and Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, Cleveland, Ohio, United States
| | - Joseph Keil
- Department of Chemistry and Chemical and Biomedical Engineering and Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, Cleveland, Ohio, United States
| | - Xue-Long Sun
- Department of Chemistry and Chemical and Biomedical Engineering and Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, Cleveland, Ohio, United States
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3
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Peng HT, Nascimento B, Rhind SG, da Luz L, Beckett A. Evaluation of trauma-induced coagulopathy in the fibrinogen in the initial resuscitation of severe trauma trial. Transfusion 2021; 61 Suppl 1:S49-S57. [PMID: 34269460 DOI: 10.1111/trf.16488] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 03/31/2021] [Accepted: 04/01/2021] [Indexed: 12/13/2022]
Abstract
BACKGROUND Coagulopathic bleeding is frequently present after major trauma. However, trauma-induced coagulopathy (TIC) remains incompletely understood. This laboratory analysis of blood samples derived from our completed trial on fibrinogen in the initial resuscitation of severe trauma (FiiRST) was conducted to evaluate TIC and associated responses to fibrinogen replacement. STUDY DESIGN AND METHODS We conducted a retrospective evaluation of TIC in 45 FiiRST trial patients based on rotational thromboelastometry (ROTEM), international normalized ratio (INR), and biomarkers for hemostasis and endotheliopathy. Whole blood was analyzed by ROTEM. Plasma was analyzed for INR and biomarkers. RESULTS Overall, 19.0% and 30.0% of the FiiRST trial patients were coagulopathic on admission defined by EXTEM maximum clot firmness out of the range of 40-71 mm and INR >1.2, respectively. The FiiRST patients showed lower fibrinogen, factor II and V levels, protein C and antiplasmin activities, higher activated protein C, tissue plasminogen activator, d-dimer, and thrombomodulin concentrations at admission than healthy controls. Most of the biomarkers changed their activities during 48-h hospitalization, but were at abnormal levels even 48-h after admission. The fibrinogen treatment reduced hypofibrinogenemia and increased factor XIII level, but had no significant effects on other biomarkers levels. Limited development of endotheliopathy was indicated by syndean-1, thrombomodulin, and sE-selectin. CONCLUSIONS About 19%-30% of the trauma patients in the FiiRST trial were coagulopathic on hospital admission depending on the definition of TIC. Analyses of the TIC biomarkers demonstrated that hemostasis would not return to normal after 48-h hospitalization, and fibrinogen replacement improved hypofibrinogenemia.
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Affiliation(s)
- Henry T Peng
- Defence Research and Development Canada, Toronto Research Centre, Toronto, Ontario, Canada
| | | | - Shawn G Rhind
- Defence Research and Development Canada, Toronto Research Centre, Toronto, Ontario, Canada
| | - Luis da Luz
- Department of Surgery, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
| | - Andrew Beckett
- Department of Surgery, St. Michael's Hospital, Toronto, Ontario, Canada.,Royal Canadian Medical Services, Ottawa, Ontario, Canada
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4
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Hall K, Drobatz K. Volume Resuscitation in the Acutely Hemorrhaging Patient: Historic Use to Current Applications. Front Vet Sci 2021; 8:638104. [PMID: 34395568 PMCID: PMC8357988 DOI: 10.3389/fvets.2021.638104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2020] [Accepted: 05/21/2021] [Indexed: 11/13/2022] Open
Abstract
Acute hemorrhage in small animals results from traumatic and non-traumatic causes. This review seeks to describe current understanding of the resuscitation of the acutely hemorrhaging small animal (dog and cat) veterinary patient through evaluation of pre-clinical canine models of hemorrhage and resuscitation, clinical research in dogs and cats, and selected extrapolation from human medicine. The physiologic dose and response to whole blood loss in the canine patient is repeatable both in anesthetized and awake animals and is primarily characterized clinically by increased heart rate, decreased systolic blood pressure, and increased shock index and biochemically by increased lactate and lower base excess. Previously, initial resuscitation in these patients included immediate volume support with crystalloid and/or colloid, regardless of total volume, with a target to replace lost vascular volume and bring blood pressure back to normal. Newer research now supports prioritizing hemorrhage control in conjunction with judicious crystalloid administration followed by early consideration for administration of platelets, plasma and red blood during the resuscitation phase. This approach minimizes blood loss, ameliorates coagulopathy, restores oxygen delivery and correct changes in the glycocalyx. There are many hurdles in the application of this approach in clinical veterinary medicine including the speed with which the bleeding source is controlled and the rapid availability of blood component therapy. Recommendations regarding the clinical approach to volume resuscitation in the acutely hemorrhaging veterinary patient are made based on the canine pre-clinical, veterinary clinical and human literature reviewed.
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Affiliation(s)
- Kelly Hall
- Department of Clinical Sciences, Critical Care Services, Colorado State University, Fort Collins, CO, United States
| | - Kenneth Drobatz
- Section of Critical Care, Department of Clinical Studies, University of Pennsylvania, Philadelphia, PA, United States
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5
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Chowdhury S, Alrawaji F, Leenen LPH. Incidence and Nature of Lower-Limb Deep Vein Thrombosis in Patients with Polytrauma on Thromboprophylaxis: A Prospective Cohort Study. Vasc Health Risk Manag 2021; 17:395-405. [PMID: 34262284 PMCID: PMC8275102 DOI: 10.2147/vhrm.s314951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 06/22/2021] [Indexed: 12/02/2022] Open
Abstract
Purpose Deep vein thrombosis (DVT) is common among the severely injured and may lead to pulmonary embolism (PE), which can be life threatening. Thromboprophylaxis may reduce the incidence of venous thromboembolism (VTE); it does not guarantee complete protection. This study’s primary aim was to determine the incidence and nature of lower-limb DVT in polytrauma patients taking prophylaxis. The secondary objective was to assess the incidence of DVT-related complications, including the development of PE and death. Patients and Methods This prospective observational study included patients age 18 years or older who presented with polytrauma directly from the scene and were admitted into the trauma unit between March 1, 2020 and August 31, 2020. All patients underwent lower-limb ultrasound during their hospital course to diagnose DVT. Results A total of 169 patients underwent extremity Doppler ultrasound to detect DVT. Of these, 69 patients (40.8%) were considered at the highest-risk for VTE development. For VTE prophylaxis, 115 patients (68%) received pharmacologic agents, and 54 patients (32%) had intermittent pneumatic compression on admission. Three patients (1.8%) developed DVT despite prophylaxis. Four patients (2.4%) developed PE during the index presentation and were diagnosed between days 3 and 13 after injury. Early DVT was not detected in any patients with diagnosed PE. Overall, nine patients (5.33%) died, but no in-hospital deaths were related to DVT and/or PE. Conclusion The incidence of DVT in polytrauma patients remains low in our small series, perhaps because of the mandatory VTE risk assessment for all hospitalized patients and the early initiation of prophylaxis. Using a trauma center registry to measure DVT and PE incidence regularly is recommended to improve trauma care quality.
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Affiliation(s)
| | - Fatmah Alrawaji
- Department of General Surgery, King Saud Medical City, Riyadh, Saudi Arabia
| | - Luke P H Leenen
- Department of Trauma, University Medical Center Utrecht, Utrecht, Netherlands
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Abstract
PURPOSE OF REVIEW Recent advances in the understanding of the pathophysiological processes associated with traumatic haemorrhage and trauma-induced coagulopathy (TIC) have resulted in improved outcomes for seriously injured trauma patients. However, a significant number of trauma patients still die from haemorrhage. This article reviews the role of fibrinogen in normal haemostasis, the effect of trauma and TIC on fibrinogen levels and current evidence for fibrinogen replacement in the management of traumatic haemorrhage. RECENT FINDINGS Fibrinogen is usually the first factor to reach critically low levels in traumatic haemorrhage and hypofibrinogenaemia after severe trauma is associated with increased risk of massive transfusion and death. It is postulated that the early replacement of fibrinogen in severely injured trauma patients can improve outcomes. There is, however, a paucity of evidence to support this, and in addition, there is little evidence to support or refute the effects of cryoprecipitate or fibrinogen concentrate for fibrinogen replacement. SUMMARY The important role fibrinogen plays in haemostasis and effective clot formation is clear. A number of pilot trials have investigated different strategies for fibrinogen replacement in severe trauma. These trials have formed the basis of several large-scale phase III trials, which, cumulatively will provide a firm evidence base to harmonise worldwide clinical management of severely injured trauma patients with major haemorrhage.
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7
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Bleeding Disorders in Primary Fibrinolysis. Int J Mol Sci 2021; 22:ijms22137027. [PMID: 34209949 PMCID: PMC8268566 DOI: 10.3390/ijms22137027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/07/2021] [Accepted: 06/18/2021] [Indexed: 11/24/2022] Open
Abstract
Fibrinolysis is a complex enzymatic process aimed at dissolving blood clots to prevent vascular occlusions. The fibrinolytic system is composed of a number of cofactors that, by regulating fibrin degradation, maintain the hemostatic balance. A dysregulation of fibrinolysis is associated with various pathological processes that result, depending on the type of abnormality, in prothrombotic or hemorrhagic states. This narrative review is focused on the congenital and acquired disorders of primary fibrinolysis in both adults and children characterized by a hyperfibrinolytic state with a bleeding phenotype.
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Campbell D, Wake E, Walters K, Ho D, Keijzers G, Wullschleger M, Winearls J. Implementation of point-of-care ROTEM® into a trauma major haemorrhage protocol: A before and after study. Emerg Med Australas 2021; 33:457-464. [PMID: 32996292 DOI: 10.1111/1742-6723.13643] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 08/07/2020] [Accepted: 09/11/2020] [Indexed: 11/28/2022]
Abstract
OBJECTIVE The aim of the present study was to assess transfusion practices with the implementation of a targeted viscoelastic haemostatic assay (VHA) (ROTEM®) guided coagulation management programme into a major haemorrhage protocol for trauma patients requiring ICU admission, starting from time of arrival in the ED. METHODS This retrospective observational study was conducted in a major trauma centre in Australia. One hundred and sixty-two trauma patients admitted to the ICU between January 2013 and December 2015 with an Injury Severity Score ≥12 and who received blood products were included: 37 in the pre-group, 48 during implementation and 77 in post-group. The primary outcome was blood and blood product administration amounts. RESULTS Packed red blood cell transfusion amounts did not significantly change post introduction of the ROTEM®. There was a significant increase in fibrinogen replacement between the pre- and post-groups (P < 0.001), accompanied by a reduction in the use of fresh frozen plasma (P < 0.001) and prothrombinex (P < 0.001). Platelet usage in the post-group was higher but not reaching statistical significance (P = 0.051). Post-implementation point-of-care ROTEM® testing was able to be performed in the ED in 94.8% of cases. CONCLUSION Although there was no overall reduction of packed red blood cell usage, a change in the pattern of administration of other blood products was observed with the implementation of a targeted VHA (ROTEM®) guided coagulation management programme. Larger studies are needed to further define the role of early VHA testing to guide correction of trauma-induced coagulopathy and the effect on clinical outcomes.
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Affiliation(s)
- Don Campbell
- Trauma Service, Gold Coast University Hospital, Gold Coast, Queensland, Australia
- Department of Emergency Medicine, Gold Coast University Hospital, Gold Coast, Queensland, Australia
- School of Medicine, Griffith University, Gold Coast, Queensland, Australia
| | - Elizabeth Wake
- Trauma Service, Gold Coast University Hospital, Gold Coast, Queensland, Australia
- School of Medicine, Griffith University, Gold Coast, Queensland, Australia
| | - Kerin Walters
- Intensive Care Unit, Gold Coast University Hospital, Gold Coast, Queensland, Australia
| | - Debbie Ho
- Department of Surgery, Gold Coast University Hospital, Gold Coast, Queensland, Australia
| | - Gerben Keijzers
- Department of Emergency Medicine, Gold Coast University Hospital, Gold Coast, Queensland, Australia
- School of Medicine, Griffith University, Gold Coast, Queensland, Australia
- School of Medicine, Bond University, Gold Coast, Queensland, Australia
| | - Martin Wullschleger
- Trauma Service, Gold Coast University Hospital, Gold Coast, Queensland, Australia
- School of Medicine, Griffith University, Gold Coast, Queensland, Australia
| | - James Winearls
- Intensive Care Unit, Gold Coast University Hospital, Gold Coast, Queensland, Australia
- School of Medicine, The University of Queensland, Brisbane, Queensland, Australia
- Intensive Care Unit, St Andrew's War Memorial Hospital, Brisbane, Queensland, Australia
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9
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Britten MW, Lümers L, Tominaga K, Peters J, Dirkmann D. Glycocalyx components affect platelet function, whole blood coagulation, and fibrinolysis: an in vitro study suggesting a link to trauma-induced coagulopathy. BMC Anesthesiol 2021; 21:83. [PMID: 33740916 PMCID: PMC7977584 DOI: 10.1186/s12871-021-01300-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2020] [Accepted: 03/04/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The mechanisms of trauma induced coagulopathy (TIC) are considered multifactorial. Amongst others, however, shedding of the endothelial glycocalyx resulting in increased concentrations of glycocalyx fragments in plasma might also play a role. Thus, we hypothesized that shedded glycocalyx components affect coagulation and may act as humoral mediators of TIC. METHODS To investigate effects of heparan sulfate, chondroitin sulfate, syndecan-1, versican, and thrombomodulin we added these fragments to in vitro assays of whole blood from healthy volunteers to yield concentrations observed in trauma patients. Platelet function, whole blood coagulation, and fibrinolysis were measured by standard coagulation tests, impedance aggregometry (IA), and viscoelastic tests (VET). To assess dose-response relationships, we performed IA with increasing concentrations of versican and VET with increasing concentrations of thrombomodulin. RESULTS Intrinsically activated clotting times (i.e., activated partial thromboplastin time and intrinsically activated VET with and without heparinase) were unaffected by any glycocalyx fragment. Thrombomodulin, however, significantly and dose-dependently diminished fibrinolysis as assessed by VET with exogenously added rt-PA, and increased rt-PA-induced lysis Indices after 30 (up to 108% of control, p < 0,0001), 45 (up to 368% of control, p < 0,0001), and 60 min (up to 950% of control, p < 0,0001) in VET. Versican impaired platelet aggregation in response to arachidonic acid (up to - 37,6%, p < 0,0001), ADP (up to - 14,5%, p < 0,0001), and collagen (up to - 31,8%, p < 0,0001) in a dose-dependent manner, but did not affect TRAP-6 induced platelet aggregation. Clotting time in extrinsically activated VET was shortened by heparan sulfate (- 7,2%, p = 0,024), chondroitin sulfate (- 11,6%, p = 0,016), versican (- 13%, p = 0,012%), and when combined (- 7,2%, p = 0,007). CONCLUSIONS Glycocalyx components exert distinct inhibitory effects on platelet function, coagulation, and fibrinolysis. These data do not support a 'heparin-like auto-anticoagulation' by shed glycosaminoglycans but suggest a possible role of versican in trauma-induced thrombocytopathy and of thrombomodulin in trauma-associated impairment of endogenous fibrinolysis.
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Affiliation(s)
- Martin W Britten
- Klinik für Anästhesiologie & Intensivmedizin, University of Duisburg-Essen & University Hospital of Essen, Hufelandstr. 55, 45122, Essen, Germany.
| | - Laura Lümers
- Klinik für Anästhesiologie & Intensivmedizin, University of Duisburg-Essen & University Hospital of Essen, Hufelandstr. 55, 45122, Essen, Germany
| | - Kenji Tominaga
- Klinik für Anästhesiologie & Intensivmedizin, University of Duisburg-Essen & University Hospital of Essen, Hufelandstr. 55, 45122, Essen, Germany.,Present Address: Department of Anesthesiology and Critical Care Medicine, Fukuoka University School of Medicine, Fukuoka, Japan
| | - Jürgen Peters
- Klinik für Anästhesiologie & Intensivmedizin, University of Duisburg-Essen & University Hospital of Essen, Hufelandstr. 55, 45122, Essen, Germany
| | - Daniel Dirkmann
- Klinik für Anästhesiologie & Intensivmedizin, University of Duisburg-Essen & University Hospital of Essen, Hufelandstr. 55, 45122, Essen, Germany
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10
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Thurman P. Hemostatic Strategies in Trauma. AACN Adv Crit Care 2021; 32:51-63. [PMID: 33725103 DOI: 10.4037/aacnacc2021473] [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: 11/01/2022]
Abstract
Bleeding is a leading cause of early death from trauma. Consequently, effective hemostasis can improve the odds of survival after severe traumatic injury. Understanding the pathophysiology of trauma-induced coagulopathy can provide insights into effective strategies to assess and halt hemorrhage. Both physical assessment and appropriate laboratory studies are important in the diagnosis and evaluation of coagulopathy to identify the most effective mechanical and pharmacological strategies to achieve hemostasis. This article uses a case study approach to explore evidence-based techniques to evaluate hemorrhage and strategies to promote hemostasis.
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Affiliation(s)
- Paul Thurman
- Paul Thurman is Nurse-Scientist, Trauma and Critical Care, R Adams Cowley Shock Trauma Center, University of Maryland Medical Center, Paca Pratt, 3-S-134, 110 S Paca St, Baltimore, MD 21201
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11
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Variations and obstacles in the use of coagulation factor concentrates for major trauma bleeding across Europe: outcomes from a European expert meeting. Eur J Trauma Emerg Surg 2021; 48:763-774. [PMID: 33399876 PMCID: PMC7782571 DOI: 10.1007/s00068-020-01563-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 11/19/2020] [Indexed: 12/24/2022]
Abstract
Purpose Trauma is a leading cause of mortality, with major bleeding and trauma-induced coagulopathy (TIC) contributing to negative patient outcomes. Treatments for TIC include tranexamic acid (TXA), fresh frozen plasma (FFP), and coagulation factor concentrates (CFCs, e.g. prothrombin complex concentrates [PCCs] and fibrinogen concentrate [FCH]). Guidelines for TIC management vary across Europe and a clear definition of TIC is still lacking. Methods An advisory board involving European trauma experts was held on 02 February 2019, to discuss clinical experience in the management of trauma-related bleeding and recommendations from European guidelines, focusing on CFC use (mainly FCH). This review summarises the discussions, including TIC definitions, gaps in the guidelines that affect their implementation, and barriers to use of CFCs, with suggested solutions. Results A definition of TIC, which incorporates clinical (e.g. severe bleeding) and laboratory parameters (e.g. low fibrinogen) is suggested. TIC should be treated immediately with TXA and FCH/red blood cells; subsequently, if fibrinogen ≤ 1.5 g/L (or equivalent by viscoelastic testing), treatment with FCH, then PCC (if bleeding continues) is suggested. Fibrinogen concentrate, and not FFP, should be administered as first-line therapy for TIC. Several initiatives may improve TIC management, with improved medical education of major importance; generation of new and stronger data, simplified clinical practice guidance, and improved access to viscoelastic testing are also critical factors. Conclusions Management of TIC is challenging. A standard definition of TIC, together with initiatives to facilitate effective CFC administration, may contribute to improved patient care and outcomes.
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12
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Burmeister DM, Smith SL, Muthumalaiappan K, Hill DM, Moffatt LT, Carlson DL, Kubasiak JC, Chung KK, Wade CE, Cancio LC, Shupp JW. An Assessment of Research Priorities to Dampen the Pendulum Swing of Burn Resuscitation. J Burn Care Res 2020; 42:113-125. [PMID: 33306095 DOI: 10.1093/jbcr/iraa214] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
On June 17 to 18, 2019, the American Burn Association, in conjunction with Underwriters Laboratories, convened a group of experts on burn resuscitation in Washington, DC. The goal of the meeting was to identify and discuss novel research and strategies to optimize the process of burn resuscitation. Patients who sustain a large thermal injury (involving >20% of the total body surface area [TBSA]) face a sequence of challenges, beginning with burn shock. Over the last century, research has helped elucidate much of the underlying pathophysiology of burn shock, which places multiple organ systems at risk of damage or dysfunction. These studies advanced the understanding of the need for fluids for resuscitation. The resultant practice of judicious and timely infusion of crystalloids has improved mortality after major thermal injury. However, much remains unclear about how to further improve and customize resuscitation practice to limit the morbidities associated with edema and volume overload. Herein, we review the history and pathophysiology of shock following thermal injury, and propose some of the priorities for resuscitation research. Recommendations include: studying the utility of alternative endpoints to resuscitation, reexamining plasma as a primary or adjunctive resuscitation fluid, and applying information about inflammation and endotheliopathy to target the underlying causes of burn shock. Undoubtedly, these future research efforts will require a concerted effort from the burn and research communities.
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Affiliation(s)
- David M Burmeister
- Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland.,United States Army Institute of Surgical Research, JBSA Fort Sam Houston, Texas
| | - Susan L Smith
- The Warden Burn Center, Orlando Regional Medical Center, Orlando, Florida
| | | | - David M Hill
- Firefighters' Burn Center, Regional One Health, Memphis, Tennessee
| | - Lauren T Moffatt
- Firefighters' Burn and Surgical Research Laboratory, MedStar Health Research Institute, Washington, District of Columbia.,The Burn Center, MedStar Washington Hospital Center; Department of Surgery, Georgetown University School of Medicine, Washington, District of Columbia
| | - Deborah L Carlson
- Department of Surgery, University of Texas Southwestern Medical Center, Dallas, Texas
| | - John C Kubasiak
- Department of Surgery, Brigham and Women's Hospital, Boston, Massachusetts
| | - Kevin K Chung
- Department of Medicine, Uniformed Services University of the Health Sciences, Bethesda, Maryland
| | - Charles E Wade
- Center for Translational Injury Research, and Department of Surgery, McGovern School of Medicine and The John S. Dunn Burn Center, Memorial Herman Hospital, Houston, Texas
| | - Leopoldo C Cancio
- United States Army Institute of Surgical Research, JBSA Fort Sam Houston, Texas
| | - Jeffrey W Shupp
- Firefighters' Burn and Surgical Research Laboratory, MedStar Health Research Institute, Washington, District of Columbia.,The Burn Center, MedStar Washington Hospital Center; Department of Surgery, Georgetown University School of Medicine, Washington, District of Columbia
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13
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Yi SJ, Wu Y, Li LL, Liang QK, Xiao Y. Compound amino acid combined with high-dose vitamin B6 attenuate traumatic coagulopathy via inhibiting inflammation by HMGB1/TLR4/NF-κB pathway. J Inflamm (Lond) 2020; 17:30. [PMID: 32874136 PMCID: PMC7456387 DOI: 10.1186/s12950-020-00258-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2020] [Accepted: 08/18/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Traumatic coagulopathy (TC) arises primarily from coagulation system failure to maintain adequate hemostasis after serious blood loss or trauma. Circulatory homeostasis restoration is the mainstay of the therapeutic approach to TC, but the effects are significantly inhibited by coagulopathy. OBJECTIVE To identify the therapeutic effects and underlying mechanism of compound amino acid (CAA) combined with high-dosage of vitamin B6 (VB6) on TC. METHODS Rabbit traumatic model and cellular model were used to evaluate the effect of CAA combined with high-dosage of VB6 in TC. Blood concentrations of AST and ALT were measured using the Vitros 250 device while blood APTT, PT and TT concentrations were measured using commercial diagnostics kits. Furthermore, qRT-PCR, ELISA and Western blotting were used to determine the expression of clotting factor (II, VII, IX, X and XI), inflammatory factors (TNF-α, IL-6 and IL-1β) and HMGB1/TLR4/NF-κB signaling-related proteins, respectively. RESULTS In the rabbit traumatic model, CAA combined with high-dosage of VB6 therapy inhibited the high expression of AST and ALT, but increased the expression of coagulation factors. Additionally, in both the rabbit trauma model and cellular injury model, CAA combined with high-dosage of VB6 inhibited the expression of inflammatory factors (IL-6, TNF-α and IL-1β) and proteins (HMGB1, TLR4 and p-p65) in HMGB1/TLR4/NF-κB pathway. Most importantly, over-expression of HMGB1 reversed the effect of CAA and VB6 in HUVECs and EA.hy926 cells injury model. CONCLUSION CAA combined with high-dosage of VB6 alleviated TC and inhibited the expression and secretion of inflammatory factors by inhibiting HMGB1-mediated TLR4/NF-κB pathway.
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Affiliation(s)
- Shi-Jian Yi
- Department of General Surgery, Shenzhen University General Hospital, No.1098, Xueyuan Avenue, Nanshan District, Shenzhen, 518055 Guangdong Province People’s Republic of China
| | - Yang Wu
- Department of General Surgery, Shenzhen University General Hospital, No.1098, Xueyuan Avenue, Nanshan District, Shenzhen, 518055 Guangdong Province People’s Republic of China
| | - Lan-Lan Li
- Department of Infection Control, Shenzhen Fuyong People’s Hospital, Shenzhen, 518103 People’s Republic of China
| | - Qian-Kun Liang
- Department of General Surgery, Shenzhen University General Hospital, No.1098, Xueyuan Avenue, Nanshan District, Shenzhen, 518055 Guangdong Province People’s Republic of China
| | - Yue Xiao
- Department of Outpatient, Shenzhen University General Hospital, Shenzhen, 518055 People’s Republic of China
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Li K, Wu H, Pan F, Chen L, Feng C, Liu Y, Hui H, Cai X, Che H, Ma Y, Li T. A Machine Learning-Based Model to Predict Acute Traumatic Coagulopathy in Trauma Patients Upon Emergency Hospitalization. Clin Appl Thromb Hemost 2020; 26:1076029619897827. [PMID: 31908189 PMCID: PMC7098202 DOI: 10.1177/1076029619897827] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Acute traumatic coagulopathy (ATC) is an extremely common but silent murderer; this condition presents early after trauma and impacts approximately 30% of severely injured patients who are admitted to emergency departments (EDs). Given that conventional coagulation indicators usually require more than 1 hour after admission to yield results—a limitation that frequently prevents the ability for clinicians to make appropriate interventions during the optimal therapeutic window—it is clearly of vital importance to develop prediction models that can rapidly identify ATC; such models would also facilitate ancillary resource management and clinical decision support. Using the critical care Emergency Rescue Database and further collected data in ED, a total of 1385 patients were analyzed and cases with initial international normalized ratio (INR) values >1.5 upon admission to the ED met the defined diagnostic criteria for ATC; nontraumatic conditions with potentially disordered coagulation systems were excluded. A total of 818 individuals were collected from Emergency Rescue Database as derivation cohorts, then were split 7:3 into training and test data sets. A Pearson correlation matrix was used to initially identify likely key clinical features associated with ATC, and analysis of data distributions was undertaken prior to the selection of suitable modeling tools. Both machine learning (random forest) and traditional logistic regression were deployed for prediction modeling of ATC. After the model was built, another 587 patients were further collected in ED as validation cohorts. The ATC prediction models incorporated red blood cell count, Shock Index, base excess, lactate, diastolic blood pressure, and potential of hydrogen. Of 818 trauma patients filtered from the database, 747 (91.3%) patients did not present ATC (INR ≤ 1.5) and 71 (8.7%) patients had ATC (INR > 1.5) upon admission to the ED. Compared to the logistic regression model, the model based on the random forest algorithm showed better accuracy (94.0%, 95% confidence interval [CI]: 0.922-0.954 to 93.5%, 95% CI: 0.916-0.95), precision (93.3%, 95% CI: 0.914-0.948 to 93.1%, 95% CI: 0.912-0.946), F1 score (93.4%, 95% CI: 0.915-0.949 to 92%, 95% CI: 0.9-0.937), and recall score (94.0%, 95% CI: 0.922-0.954 to 93.5%, 95% CI: 0.916-0.95) but yielded lower area under the receiver operating characteristic curve (AU-ROC) (0.810, 95% CI: 0.673-0.918 to 0.849, 95% CI: 0.732-0.944) for predicting ATC in the trauma patients. The result is similar in the validation cohort. The values for classification accuracy, precision, F1 score, and recall score of random forest model were 0.916, 0.907, 0.901, and 0.917, while the AU-ROC was 0.830. The values for classification accuracy, precision, F1 score, and recall score of logistic regression model were 0.905, 0.887, 0.883, and 0.905, while the AU-ROC was 0.858. We developed and validated a prediction model based on objective and rapidly accessible clinical data that very confidently identify trauma patients at risk for ATC upon their arrival to the ED. Beyond highlighting the value of ED initial laboratory tests and vital signs when used in combination with data analysis and modeling, our study illustrates a practical method that should greatly facilitates both warning and guided target intervention for ATC.
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Affiliation(s)
- Kaiyuan Li
- Department of Emergency, The First Medical Center to Chinese People's Liberation Army General Hospital, Beijing, China
| | - Huitao Wu
- National Engineering Laboratory for Medical Big Data Application Technology, The First Medical Center to Chinese People's Liberation Army General Hospital, Beijing, China
| | - Fei Pan
- Department of Emergency, The First Medical Center to Chinese People's Liberation Army General Hospital, Beijing, China
| | - Li Chen
- Department of Emergency, The First Medical Center to Chinese People's Liberation Army General Hospital, Beijing, China
| | - Cong Feng
- Department of Emergency, The First Medical Center to Chinese People's Liberation Army General Hospital, Beijing, China
| | - Yihao Liu
- Department of Emergency, The First Medical Center to Chinese People's Liberation Army General Hospital, Beijing, China
| | - Hui Hui
- Department of Emergency, The First Medical Center to Chinese People's Liberation Army General Hospital, Beijing, China
| | - Xiaoyu Cai
- Department of Blood Transfusion, The First Medical Center to Chinese People's Liberation Army General Hospital, Beijing, China
| | - Hebin Che
- National Engineering Laboratory for Medical Big Data Application Technology, The First Medical Center to Chinese People's Liberation Army General Hospital, Beijing, China
| | - Yulong Ma
- Anesthesia and Operation Center, The First Medical Center to Chinese PLA General Hospital, Beijing, China
| | - Tanshi Li
- Department of Emergency, The First Medical Center to Chinese People's Liberation Army General Hospital, Beijing, China
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15
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Duque P, Mora L, Levy JH, Schöchl H. Pathophysiological Response to Trauma-Induced Coagulopathy: A Comprehensive Review. Anesth Analg 2020; 130:654-664. [PMID: 31633501 DOI: 10.1213/ane.0000000000004478] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hypercoagulability can occur after severe tissue injury, that is likely related to tissue factor exposure and impaired endothelial release of tissue plasminogen activator (tPA). In contrast, when shock and hypoperfusion occur, activation of the protein C pathway and endothelial tPA release induce a shift from a procoagulant to a hypocoagulable and hyperfibrinolytic state with a high risk of bleeding. Both thrombotic and bleeding phenotypes are associated with increased mortality and are influenced by the extent and severity of tissue injury and degree of hemorrhagic shock. Response to trauma is a complex, dynamic process in which risk can shift from bleeding to thrombosis depending on the injury pattern, hemostatic treatment, individual responses, genetic predisposition, and comorbidities. Based on this body of knowledge, we will review and consider future directions for the management of severely injured trauma patients.
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Affiliation(s)
- Patricia Duque
- From the Anesthesiology and Critical Care Department, Gregorio Marañon Hospital, Madrid, Spain
| | - Lidia Mora
- Anesthesiology and Critical Care Department, Vall d´Hebron, Hospital, Barcelona, Spain
| | - Jerrold H Levy
- Departments of Anesthesiology and Critical Care, Duke University School of Medicine, Durham, North Carolina
| | - Herbert Schöchl
- Department of Anesthesiology and Intensive Care Medicine, AUVA Trauma Centre Salzburg, Academic Teaching Hospital of the Paracelsus Medical University, Salzburg, Austria.,Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Vienna, Austria
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16
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Ballocco I, Pinna Parpaglia ML, Corda F, Serra G, Corda A. Left atrial thrombosis secondary to blunt cardiac injury in two dogs. VETERINARY RECORD CASE REPORTS 2019. [DOI: 10.1136/vetreccr-2018-000803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Isabella Ballocco
- Department of Veterinary MedicineVeterinary Teaching HospitalUniversity of SassariSassariItaly
| | | | - Francesca Corda
- Department of Veterinary MedicineVeterinary Teaching HospitalUniversity of SassariSassariItaly
| | - Giovanna Serra
- Department of Veterinary MedicineVeterinary Teaching HospitalUniversity of SassariSassariItaly
| | - Andrea Corda
- Department of Veterinary MedicineVeterinary Teaching HospitalUniversity of SassariSassariItaly
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17
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Yagneswar H, Todd JM, Sharkey LC, Rendahl A, Tart K. Retrospective comparison of standard clotting tests and novel clot waveform parameters in dogs using the turbidimetric ACL-TOP CTS 300 coagulation analyzer. J Vet Diagn Invest 2018; 30:868-877. [PMID: 30204058 DOI: 10.1177/1040638718797386] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
Clot waveforms are generated by coagulation analyzers, such as the ACL-TOP, that utilize photo-optical turbidimetric methods to measure prothrombin time (PT) and activated partial thromboplastin time (aPTT), which are standard clotting tests (SCTs). Additional quantitative clot waveform analysis (CWA) parameters include maximum velocity of the PT curve (PT1d), maximum acceleration of the aPTT curve (aPTT2d), and their change in optical density (ODdelta). We explored the potential for CWA to contribute unique information compared to SCTs and quantitative fibrinogen assay (QFA) in dogs with clinical indications for laboratory evaluation of coagulation. We retrospectively evaluated the frequency and agreement between normal, high, and low values of CWA and SCTs for 203 dogs relative to reference intervals (RIs). Most dogs had SCTs within RIs, but most CWA values were high regardless of whether SCT values were within, below, or above the RI. Agreement between SCTs and CWA was slight (kappa <30%). Clinically significant bleeding was noted in 28 of 203 (14%) dogs. SCTs were not different between bleeders and non-bleeders. Median QFA, PT1d, aPTTdelta, and aPTT2d values were statistically significantly higher than RIs in non-bleeders compared to bleeders, whose median values were not below RI. Compared with SCTs, CWA identified differences between the 2 groups. However, wide overlap between the 2 groups limits the use of CWA to clinically discriminate between bleeders and non-bleeders in a heterogeneous population of dogs. Further studies on the diagnostic utility of CWA in coagulopathic dogs are needed.
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Affiliation(s)
- Hamsini Yagneswar
- Departments of Veterinary Clinical Sciences (Yagneswar, Tart, Todd, Sharkey), College of Veterinary Medicine, University of Minnesota, St. Paul, MN.,Veterinary and Biomedical Science (Rendahl), College of Veterinary Medicine, University of Minnesota, St. Paul, MN.,Current address: Cummings School of Veterinary Medicine, Tufts University, 200 Westboro Road, N Grafton, MA 01536 (Sharkey)
| | - Jeffrey M Todd
- Departments of Veterinary Clinical Sciences (Yagneswar, Tart, Todd, Sharkey), College of Veterinary Medicine, University of Minnesota, St. Paul, MN.,Veterinary and Biomedical Science (Rendahl), College of Veterinary Medicine, University of Minnesota, St. Paul, MN.,Current address: Cummings School of Veterinary Medicine, Tufts University, 200 Westboro Road, N Grafton, MA 01536 (Sharkey)
| | - Leslie C Sharkey
- Departments of Veterinary Clinical Sciences (Yagneswar, Tart, Todd, Sharkey), College of Veterinary Medicine, University of Minnesota, St. Paul, MN.,Veterinary and Biomedical Science (Rendahl), College of Veterinary Medicine, University of Minnesota, St. Paul, MN.,Current address: Cummings School of Veterinary Medicine, Tufts University, 200 Westboro Road, N Grafton, MA 01536 (Sharkey)
| | - Aaron Rendahl
- Departments of Veterinary Clinical Sciences (Yagneswar, Tart, Todd, Sharkey), College of Veterinary Medicine, University of Minnesota, St. Paul, MN.,Veterinary and Biomedical Science (Rendahl), College of Veterinary Medicine, University of Minnesota, St. Paul, MN.,Current address: Cummings School of Veterinary Medicine, Tufts University, 200 Westboro Road, N Grafton, MA 01536 (Sharkey)
| | - Kelly Tart
- Departments of Veterinary Clinical Sciences (Yagneswar, Tart, Todd, Sharkey), College of Veterinary Medicine, University of Minnesota, St. Paul, MN.,Veterinary and Biomedical Science (Rendahl), College of Veterinary Medicine, University of Minnesota, St. Paul, MN.,Current address: Cummings School of Veterinary Medicine, Tufts University, 200 Westboro Road, N Grafton, MA 01536 (Sharkey)
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18
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Barelli S, Alberio L. The Role of Plasma Transfusion in Massive Bleeding: Protecting the Endothelial Glycocalyx? Front Med (Lausanne) 2018; 5:91. [PMID: 29721496 PMCID: PMC5915488 DOI: 10.3389/fmed.2018.00091] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Accepted: 03/22/2018] [Indexed: 12/20/2022] Open
Abstract
Massive hemorrhage is a leading cause of death worldwide. During the last decade several retrospective and some prospective clinical studies have suggested a beneficial effect of early plasma-based resuscitation on survival in trauma patients. The underlying mechanisms are unknown but appear to involve the ability of plasma to preserve the endothelial glycocalyx. In this mini-review, we summarize current knowledge on glycocalyx structure and function, and present data describing the impact of hemorrhagic shock and resuscitation fluids on glycocalyx. Animal studies show that hemorrhagic shock leads to glycocalyx shedding, endothelial inflammatory changes, and vascular hyper-permeability. In these animal models, plasma administration preserves glycocalyx integrity and functions better than resuscitation with crystalloids or colloids. In addition, we briefly present data on the possible plasma components responsible for these effects. The endothelial glycocalyx is increasingly recognized as a critical component for the physiological vasculo-endothelial function, which is destroyed in hemorrhagic shock. Interventions for preserving an intact glycocalyx shall improve survival of trauma patients.
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Affiliation(s)
- Stefano Barelli
- Division of Haematology and Central Haematology Laboratory, CHUV, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland
| | - Lorenzo Alberio
- Division of Haematology and Central Haematology Laboratory, CHUV, Lausanne University Hospital, University of Lausanne, Lausanne, Switzerland.,Faculté de Biologie et Médecine, UNIL, University of Lausanne, Lausanne, Switzerland
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