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| Name | Class |
|---|---|
| Cantonal Hospital of St. Gallen | OTHER |
| Luzerner Kantonsspital | OTHER |
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Coagulopathy in trauma increases mortality and morbidity. Early administration of tranexamic acid (TXA) seems to improve survival and outcome. Thus this study evaluates the administration of TXA on scene by the emergency medical services (EMS) or by the crew of a rescue helicopter in multiple trauma patients or isolated traumatic brain injury (TBI). Coagulopathy will be assessed by standard laboratory tests as well as thromboelastometry.
Coagulopathy in trauma increases mortality and morbidity. Early administration of tranexamic acid (TXA) seems to improve survival and outcome; this was shown partially by the CRASH2 study, where patients received TXA in the emergency room. Thus this study evaluates the administration of TXA on scene by the EMS or by the crew of a rescue helicopter in multiple trauma patients or isolated TBI. Coagulopathy will be assessed by standard laboratory tests as well as thromboelastometry in 50 patients. The results will be compared to a study published by Theusinger et al. (Changes in Coagulation in Standard Laboratory Tests and ROTEM in Trauma Patients Between On-Scene and Arrival in the Emergency Department.Theusinger OM et al. Anesth Analg. 2014 Dec 24. [Epub ahead of print] PMID: 25545751) where no TXA was administered on scene and only changes in coagulation between on scene and in the emergency department were assessed.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Tranexamic Acid | No Intervention | TXA administered to multiple trauma patients in the helicopter or ambulance |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Tranexamic Acid | Drug | Coagulation Management / Efficiency |
|
| Measure | Description | Time Frame |
|---|---|---|
| Tranexamic acid administered in the preclinical setting and its influence on coagulation parameters (laboratory and thromboelastometry) | TXA will be given to multiple trauma patients or patients with isolated TBI in the preclinical setting (n=50). Before tranexamic acid is given, one tube of citrated blood is drawn. Once patients arrive in the emergency room as second tube of citrated blood is drawn. The two tubes will be used to perform rotational thromboelastometry (ROTEM) measurements and standard coagulation measurements (aPTT, PT, INR, Ouick's value, fibrinogen). The coagulation parameters on scene will be compared to those in the emergency department to find out if coagulation is improved by this. In a previously performed study, 50 patients got blood taken on scene and in the emergency room without receiving TXA. In this study by Theusinger et al. it was shown that coagulation is impaired during this time period.(Theusinger OM et al. Anesth Analg. 2014 Dec 24.PMID: 25545751). The population of this study will serve as control group for the actually performed study. | 12 Months |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Oliver M Theusinger, PD Dr med | Contact | oliver.theusinger@usz.ch |
| Name | Affiliation | Role |
|---|---|---|
| Oliver M. Theusinger, PD Dr med | USZ | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University Hospital Zurich, Division of Anaesthesiology | Recruiting | Zurich | Canton of Zurich | 8091 | Switzerland |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 29239953 | Derived | Stein P, Studt JD, Albrecht R, Muller S, von Ow D, Fischer S, Seifert B, Mariotti S, Spahn DR, Theusinger OM. The Impact of Prehospital Tranexamic Acid on Blood Coagulation in Trauma Patients. Anesth Analg. 2018 Feb;126(2):522-529. doi: 10.1213/ANE.0000000000002708. |
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| ID | Term |
|---|---|
| D006470 | Hemorrhage |
| ID | Term |
|---|---|
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D014148 | Tranexamic Acid |
| ID | Term |
|---|---|
| D003509 | Cyclohexanecarboxylic Acids |
| D000146 | Acids, Carbocyclic |
| D002264 | Carboxylic Acids |
| D009930 | Organic Chemicals |
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| USZ | Recruiting | Zurich | 8091 | Switzerland |
|