Acquired coagulopathy of traumatic brain injury defined by routine laboratory tests : which laboratory values matter?
BACKGROUND: Coagulopathy is a major determinant of disability and death in patients with traumatic intracranial hemorrhage. However, the correlation between coagulopathy defined by routine coagulation tests and clinical outcomes in traumatic brain injury (TBI) is not well defined. The aim of our study was to determine the effect of coagulopathy diagnosed by routine laboratory tests on outcomes in TBI patients.
METHODS: We performed a retrospective cohort analysis of all isolated TBI patients exclusive of prehospital antiplatelet and anticoagulants with coagulation tests, namely, international normalized ratio (INR), platelet count, and partial thromboplastin time at admission. We defined coagulopathy by an INR of 1.5 or greater, partial thromboplastin time of 35 or greater, or platelet count of 100 × 10(3)/µL or less. Outcome measures were progression on repeat head computed tomography (RHCT), need for neurosurgical intervention, and mortality.
RESULTS: A total of 591 patients were enrolled, with a mean (SD) age of 47.4 (26.5) years and 67% being male. Of the patients, 13.3% were coagulopathic at admission. Platelet count of 100 × 10(3)/µL or less was an independent predictor of progression on RHCT (odd ratio [OR], 4; 95% confidence interval [CI], 1.7-10), need for neurosurgical intervention (OR, 3.6; 95% CI, 1.2-6.1), and mortality (OR, 2.6; 95% CI, 1.1-4.8). INR was an independent predictor of progression on RHCT (OR, 2; 95% CI, 1.1-4.3).
CONCLUSION: Routine bedside coagulation parameters at admission play an important role in predicting outcomes in blunt TBI. Platelet count is the strongest predictor for progression of initial insult on RHCT, need for neurosurgical intervention, and mortality.
LEVEL OF EVIDENCE: Prognostic study, level III.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2014 |
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| Erschienen: |
2014 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:76 |
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| Enthalten in: |
The journal of trauma and acute care surgery - 76(2014), 1 vom: 24. Jan., Seite 121-5 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Joseph, Bellal [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 26.02.2014 Date Revised 21.03.2022 published: Print Citation Status MEDLINE |
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| doi: |
10.1097/TA.0b013e3182a9cc95 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM233947558 |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: Coagulopathy is a major determinant of disability and death in patients with traumatic intracranial hemorrhage. However, the correlation between coagulopathy defined by routine coagulation tests and clinical outcomes in traumatic brain injury (TBI) is not well defined. The aim of our study was to determine the effect of coagulopathy diagnosed by routine laboratory tests on outcomes in TBI patients | ||
| 520 | |a METHODS: We performed a retrospective cohort analysis of all isolated TBI patients exclusive of prehospital antiplatelet and anticoagulants with coagulation tests, namely, international normalized ratio (INR), platelet count, and partial thromboplastin time at admission. We defined coagulopathy by an INR of 1.5 or greater, partial thromboplastin time of 35 or greater, or platelet count of 100 × 10(3)/µL or less. Outcome measures were progression on repeat head computed tomography (RHCT), need for neurosurgical intervention, and mortality | ||
| 520 | |a RESULTS: A total of 591 patients were enrolled, with a mean (SD) age of 47.4 (26.5) years and 67% being male. Of the patients, 13.3% were coagulopathic at admission. Platelet count of 100 × 10(3)/µL or less was an independent predictor of progression on RHCT (odd ratio [OR], 4; 95% confidence interval [CI], 1.7-10), need for neurosurgical intervention (OR, 3.6; 95% CI, 1.2-6.1), and mortality (OR, 2.6; 95% CI, 1.1-4.8). INR was an independent predictor of progression on RHCT (OR, 2; 95% CI, 1.1-4.3) | ||
| 520 | |a CONCLUSION: Routine bedside coagulation parameters at admission play an important role in predicting outcomes in blunt TBI. Platelet count is the strongest predictor for progression of initial insult on RHCT, need for neurosurgical intervention, and mortality | ||
| 520 | |a LEVEL OF EVIDENCE: Prognostic study, level III | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Aziz, Hassan |e verfasserin |4 aut | |
| 700 | 1 | |a Zangbar, Bardiya |e verfasserin |4 aut | |
| 700 | 1 | |a Kulvatunyou, Narong |e verfasserin |4 aut | |
| 700 | 1 | |a Pandit, Viraj |e verfasserin |4 aut | |
| 700 | 1 | |a O'Keeffe, Terence |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Andrew |e verfasserin |4 aut | |
| 700 | 1 | |a Wynne, Julie |e verfasserin |4 aut | |
| 700 | 1 | |a Friese, Randall S |e verfasserin |4 aut | |
| 700 | 1 | |a Rhee, Peter |e verfasserin |4 aut | |
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